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<a class="qindex" href="index.html">Main Page</a> &nbsp; <a class="qindex" href="namespaces.html">Namespace List</a> &nbsp; <a class="qindex" href="hierarchy.html">Class Hierarchy</a> &nbsp; <a class="qindex" href="classes.html">Alphabetical List</a> &nbsp; <a class="qindex" href="annotated.html">Compound List</a> &nbsp; <a class="qindex" href="files.html">File List</a> &nbsp; <a class="qindex" href="namespacemembers.html">Namespace Members</a> &nbsp; <a class="qindex" href="functions.html">Compound Members</a> &nbsp; <a class="qindex" href="globals.html">File Members</a> &nbsp; <a class="qindex" href="pages.html">Related Pages</a> &nbsp; <a class="qindexRef" doxygen="_cgi:/cgi-bin/nel-search.cgi" href="/cgi-bin/nel-search.cgi">Search</a> &nbsp; </center>
<hr><h1>bitmap.cpp</h1><a href="bitmap_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001 
00009 <font class="comment">/* Copyright, 2000 Nevrax Ltd.</font>
00010 <font class="comment"> *</font>
00011 <font class="comment"> * This file is part of NEVRAX NEL.</font>
00012 <font class="comment"> * NEVRAX NEL is free software; you can redistribute it and/or modify</font>
00013 <font class="comment"> * it under the terms of the GNU General Public License as published by</font>
00014 <font class="comment"> * the Free Software Foundation; either version 2, or (at your option)</font>
00015 <font class="comment"> * any later version.</font>
00016 <font class="comment"></font>
00017 <font class="comment"> * NEVRAX NEL is distributed in the hope that it will be useful, but</font>
00018 <font class="comment"> * WITHOUT ANY WARRANTY; without even the implied warranty of</font>
00019 <font class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</font>
00020 <font class="comment"> * General Public License for more details.</font>
00021 <font class="comment"></font>
00022 <font class="comment"> * You should have received a copy of the GNU General Public License</font>
00023 <font class="comment"> * along with NEVRAX NEL; see the file COPYING. If not, write to the</font>
00024 <font class="comment"> * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,</font>
00025 <font class="comment"> * MA 02111-1307, USA.</font>
00026 <font class="comment"> */</font>
00027 
00028 <font class="preprocessor">#include "<a class="code" href="stdmisc_8h.html">stdmisc.h</a>"</font>
00029 
00030 <font class="preprocessor">#include &lt;memory&gt;</font>
00031 <font class="preprocessor">#include &lt;algorithm&gt;</font>
00032 
00033 <font class="comment">/*extern "C"</font>
00034 <font class="comment">{</font>
00035 <font class="comment">#include &lt;jpeglib.h&gt;</font>
00036 <font class="comment">}</font>
00037 <font class="comment">*/</font>
00038 
00039 <font class="preprocessor">#include "<a class="code" href="bitmap_8h.html">nel/misc/bitmap.h</a>"</font>
00040 <font class="preprocessor">#include "<a class="code" href="stream_8h.html">nel/misc/stream.h</a>"</font>
00041 <font class="preprocessor">#include "<a class="code" href="file_8h.html">nel/misc/file.h</a>"</font>
00042 
00043 
00044 <font class="keyword">using</font> <font class="keyword">namespace </font>std;
00045 
00046 <font class="keyword">namespace </font>NLMISC
00047 {
00048 
00049 
<a name="l00050"></a><a class="code" href="structNLMISC_1_1EDDSBadHeader.html">00050</a> <font class="keyword">struct </font>EDDSBadHeader : <font class="keyword">public</font> NLMISC::EStream
00051 {
<a name="l00052"></a><a class="code" href="structNLMISC_1_1EDDSBadHeader.html#a0">00052</a>         <a class="code" href="structNLMISC_1_1EDDSBadHeader.html#a0">EDDSBadHeader</a>() : <a class="code" href="structNLMISC_1_1EStream.html#a0">EStream</a>( "Bad or unrecognized <a class="code" href="namespaceNLMISC.html#a2">DDS</a> <a class="code" href="cf__lexical_8cpp.html#a95">file</a> header" ) {}
00053 };
00054 
<a name="l00055"></a><a class="code" href="structNLMISC_1_1ESeekFailed.html">00055</a> <font class="keyword">struct </font>ESeekFailed : <font class="keyword">public</font> NLMISC::EStream
00056 {
<a name="l00057"></a><a class="code" href="structNLMISC_1_1ESeekFailed.html#a0">00057</a>         <a class="code" href="structNLMISC_1_1ESeekFailed.html#a0">ESeekFailed</a>() : <a class="code" href="structNLMISC_1_1EStream.html#a0">EStream</a>( "Seek failed" ) {}
00058 };
00059 
<a name="l00060"></a><a class="code" href="structNLMISC_1_1EAllocationFailure.html">00060</a> <font class="keyword">struct </font>EAllocationFailure : <font class="keyword">public</font> Exception
00061 {
<a name="l00062"></a><a class="code" href="structNLMISC_1_1EAllocationFailure.html#a0">00062</a>         <a class="code" href="structNLMISC_1_1EAllocationFailure.html#a0">EAllocationFailure</a>() : <a class="code" href="classNLMISC_1_1Exception.html#a0">Exception</a>( "Can'<a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a> allocate memory" ) {}
00063 };
00064 
00065 <font class="keywordtype">void</font> <a class="code" href="namespaceNLMISC.html#a285">blendFromui</a>(<a class="code" href="classNLMISC_1_1CRGBA.html">NLMISC::CRGBA</a> &amp;c0, <a class="code" href="classNLMISC_1_1CRGBA.html">NLMISC::CRGBA</a> &amp;c1, uint coef);
00066 uint32 <a class="code" href="namespaceNLMISC.html#a286">blend</a>(uint32 &amp;n0, uint32 &amp;n1, uint32 coef0);
00067 
<a name="l00068"></a><a class="code" href="classNLMISC_1_1CBitmap.html#p0">00068</a> <font class="keyword">const</font> uint32 CBitmap::bitPerPixels[ModeCount]=
00069 {
00070         32,             <font class="comment">// RGBA</font>
00071         8,              <font class="comment">// Luminance</font>
00072         8,              <font class="comment">// Alpha</font>
00073         16,             <font class="comment">// AlphaLuminance</font>
00074         4,              <font class="comment">// DXTC1</font>
00075         4,              <font class="comment">// DXTC1Alpha</font>
00076         8,              <font class="comment">// DXTC3</font>
00077         8,              <font class="comment">// DXTC5</font>
00078         16              <font class="comment">// DsDt</font>
00079 };
00080 
<a name="l00081"></a><a class="code" href="classNLMISC_1_1CBitmap.html#p1">00081</a> <font class="keyword">const</font> uint32 CBitmap::DXTC1HEADER = <a class="code" href="bitmap_8h.html#a0">NL_MAKEFOURCC</a>(<font class="charliteral">'D'</font>,<font class="charliteral">'X'</font>, <font class="charliteral">'T'</font>, <font class="charliteral">'1'</font>);
<a name="l00082"></a><a class="code" href="classNLMISC_1_1CBitmap.html#p2">00082</a> <font class="keyword">const</font> uint32 CBitmap::DXTC3HEADER = <a class="code" href="bitmap_8h.html#a0">NL_MAKEFOURCC</a>(<font class="charliteral">'D'</font>,<font class="charliteral">'X'</font>, <font class="charliteral">'T'</font>, <font class="charliteral">'3'</font>);
<a name="l00083"></a><a class="code" href="classNLMISC_1_1CBitmap.html#p3">00083</a> <font class="keyword">const</font> uint32 CBitmap::DXTC5HEADER = <a class="code" href="bitmap_8h.html#a0">NL_MAKEFOURCC</a>(<font class="charliteral">'D'</font>,<font class="charliteral">'X'</font>, <font class="charliteral">'T'</font>, <font class="charliteral">'5'</font>);
00084 
00085 <font class="comment">// static data for jpeg compression (used by writeJPG())</font>
00086 <a class="code" href="classNLMISC_1_1IStream.html">NLMISC::IStream</a> *<a class="code" href="namespaceNLMISC.html#a185">JPGStream</a> = NULL;
00087 <font class="keyword">const</font> uint32 <a class="code" href="namespaceNLMISC.html#a186">JPGBufferSize</a> = 1000;
00088 <font class="keywordtype">char</font> <a class="code" href="namespaceNLMISC.html#a187">JPGBuffer</a>[<a class="code" href="namespaceNLMISC.html#a186">JPGBufferSize</a>];
00089 
00090 
00091 <font class="comment">/*-------------------------------------------------------------------*\</font>
00092 <font class="comment">                                                                load            </font>
00093 <font class="comment">\*-------------------------------------------------------------------*/</font>
<a name="l00094"></a><a class="code" href="classNLMISC_1_1CBitmap.html#a2">00094</a> uint8 CBitmap::load(<a class="code" href="classNLMISC_1_1IStream.html">NLMISC::IStream</a> &amp;f, uint mipMapSkip) 
00095 {
00096         <a class="code" href="debug_8h.html#a6">nlassert</a>(f.<a class="code" href="classNLMISC_1_1IStream.html#a4">isReading</a>()); 
00097         
00098         <font class="comment">// testing if DDS</font>
00099         uint32 fileType = 0;;
00100         f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(fileType);
00101         <font class="keywordflow">if</font>(fileType == <a class="code" href="namespaceNLMISC.html#a2">DDS</a>)
00102         {
00103                 <font class="keywordflow">return</font> <a class="code" href="classNLMISC_1_1CBitmap.html#c1">readDDS</a>(f, mipMapSkip);
00104         }
00105         <font class="comment">// assuming it's TGA</font>
00106         <font class="keywordflow">else</font> 
00107         {
00108                 <a class="code" href="classNLMISC_1_1IStream.html#s3">NLMISC::IStream::TSeekOrigin</a> origin= f.<a class="code" href="classNLMISC_1_1IStream.html#s3s0">begin</a>;
00109                 <font class="keywordflow">if</font>(!f.<a class="code" href="classNLMISC_1_1IStream.html#a31">seek</a> (0, origin))
00110                 {
00111                         <font class="keywordflow">throw</font> ESeekFailed();
00112                 }
00113 
00114                 <font class="comment">// Reading header, </font>
00115                 <font class="comment">// To make sure that the bitmap is TGA, we check imageType and imageDepth.</font>
00116                 uint8   lengthID;
00117                 uint8   cMapType;
00118                 uint8   imageType;
00119                 uint16  tgaOrigin;
00120                 uint16  length;
00121                 uint8   <a class="code" href="driver__opengl__extension__def_8h.html#a391">depth</a>;
00122                 uint16  xOrg;
00123                 uint16  yOrg;
00124                 uint16  <a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>;
00125                 uint16  <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>;
00126                 uint8   imageDepth;
00127                 uint8   desc;
00128                 
00129                 f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(lengthID);
00130                 f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(cMapType);
00131                 f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(imageType);
00132                 <font class="keywordflow">if</font>(imageType!=2 &amp;&amp; imageType!=3 &amp;&amp; imageType!=10 &amp;&amp; imageType!=11) <font class="keywordflow">return</font> 0;
00133                 f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(tgaOrigin);
00134                 f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(length);
00135                 f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a391">depth</a>);
00136                 f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(xOrg);
00137                 f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(yOrg);
00138                 f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>);
00139                 f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>);
00140                 f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(imageDepth);
00141                 <font class="keywordflow">if</font>(imageDepth!=8 &amp;&amp; imageDepth!=16 &amp;&amp; imageDepth!=24 &amp;&amp; imageDepth!=32) <font class="keywordflow">return</font> 0;
00142                 f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(desc);
00143 
00144                 <font class="keywordflow">if</font>(!f.<a class="code" href="classNLMISC_1_1IStream.html#a31">seek</a> (0, origin))
00145                 {
00146                         <font class="keywordflow">throw</font> ESeekFailed();
00147                 }
00148                 <font class="keywordflow">return</font> <a class="code" href="classNLMISC_1_1CBitmap.html#c2">readTGA</a>(f);
00149         }       
00150 }
00151 
00152 
00153 <font class="comment">/*-------------------------------------------------------------------*\</font>
00154 <font class="comment">                                                                makeDummy               </font>
00155 <font class="comment">\*-------------------------------------------------------------------*/</font>
<a name="l00156"></a><a class="code" href="classNLMISC_1_1CBitmap.html#a3">00156</a> <font class="keywordtype">void</font>    CBitmap::makeDummy()
00157 {
00158         <font class="keyword">static</font>  <font class="keyword">const</font> uint8     bitmap[1024]= {  
00159                 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
00160                 0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,
00161                 0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0,
00162                 0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0,
00163                 0,0,0,0,0,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,0,0,0,0,0,0,
00164                 0,0,0,0,0,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,0,0,0,0,0,0,
00165                 0,0,0,0,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,0,0,0,0,0,
00166                 0,0,0,0,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,0,0,0,0,0,
00167                 0,0,0,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,0,0,0,0,
00168                 0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0,
00169                 0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0,
00170                 0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0,
00171                 0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0,
00172                 0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0,
00173                 0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0,
00174                 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
00175                 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
00176                 0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,
00177                 0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0,
00178                 0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0,
00179                 0,0,0,0,0,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,0,0,0,0,0,0,
00180                 0,0,0,0,0,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,0,0,0,0,0,0,
00181                 0,0,0,0,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,0,0,0,0,0,
00182                 0,0,0,0,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,0,0,0,0,0,
00183                 0,0,0,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,0,0,0,0,
00184                 0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0,
00185                 0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0,
00186                 0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0,
00187                 0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0,
00188                 0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0,
00189                 0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0,
00190                 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
00191         }; 
00192 
00193         <a class="code" href="classNLMISC_1_1CBitmap.html#m0">PixelFormat</a> = <a class="code" href="classNLMISC_1_1CBitmap.html#s11s0">RGBA</a>;
00194         <a class="code" href="classNLMISC_1_1CBitmap.html#n1">_MipMapCount</a> = 1;
00195         <a class="code" href="classNLMISC_1_1CBitmap.html#n3">_Width</a>= 32;
00196         <a class="code" href="classNLMISC_1_1CBitmap.html#n4">_Height</a>= 32;
00197         <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[0].resize(<a class="code" href="classNLMISC_1_1CBitmap.html#n3">_Width</a>*<a class="code" href="classNLMISC_1_1CBitmap.html#n4">_Height</a>*<font class="keyword">sizeof</font>(<a class="code" href="classNLMISC_1_1CRGBA.html">NLMISC::CRGBA</a>));
00198         <a class="code" href="classNLMISC_1_1CRGBA.html">NLMISC::CRGBA</a>   *pix= (<a class="code" href="classNLMISC_1_1CRGBA.html">NLMISC::CRGBA</a>*)(&amp;(*<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[0].begin()));
00199 
00200         <font class="keywordflow">for</font>(sint i=0;i&lt;(sint)(<a class="code" href="classNLMISC_1_1CBitmap.html#n3">_Width</a>*<a class="code" href="classNLMISC_1_1CBitmap.html#n4">_Height</a>);i++)
00201         {
00202                 <font class="keywordflow">if</font>(bitmap[i])
00203                         pix[i].<a class="code" href="classNLMISC_1_1CRGBA.html#a10">set</a>(255,255,255,255);
00204                 <font class="keywordflow">else</font>
00205                         pix[i].<a class="code" href="classNLMISC_1_1CRGBA.html#a10">set</a>(0,0,0,255);
00206         }
00207 
00208 }
00209 
00210 
00211 
00212 
00213 <font class="comment">/*-------------------------------------------------------------------*\</font>
00214 <font class="comment">                                                                readDDS         </font>
00215 <font class="comment">\*-------------------------------------------------------------------*/</font>
<a name="l00216"></a><a class="code" href="classNLMISC_1_1CBitmap.html#c1">00216</a> uint8 CBitmap::readDDS(<a class="code" href="classNLMISC_1_1IStream.html">NLMISC::IStream</a> &amp;f, uint mipMapSkip)
00217 {
00218         <font class="comment">//------------------ Reading Header ------------------------</font>
00219 
00220         <font class="comment">//-------------- reading entire header</font>
00221         
00222         uint32 size = 0;
00223         f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(size); <font class="comment">// size in Bytes of header(without "DDS")</font>
00224          uint32 * _DDSSurfaceDesc = <font class="keyword">new</font> uint32[size]; 
00225          std::auto_ptr&lt;uint32&gt; _DDSSurfaceDescAuto(_DDSSurfaceDesc);
00226         _DDSSurfaceDesc[0]= size;
00227 
00228 <font class="preprocessor">#ifdef NL_LITTLE_ENDIAN</font>
00229 <font class="preprocessor"></font>        f.<a class="code" href="classNLMISC_1_1IStream.html#z327_0">serialBuffer</a>((uint8*)(_DDSSurfaceDesc+1), size-4);
00230 <font class="preprocessor">#else</font>
00231 <font class="preprocessor"></font>        <font class="keywordflow">for</font>(uint i= 0; i&lt;size/4 - 1; i++)
00232         {
00233                 f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(_DDSSurfaceDesc[i+1]);
00234         }
00235 <font class="preprocessor">#endif</font>
00236 <font class="preprocessor"></font>        
00237         <font class="comment">// flags determines which members of the header structure contain valid data</font>
00238         uint32 flags = _DDSSurfaceDesc[1];
00239 
00240         <font class="comment">//verify if file have linearsize set</font>
00241         <font class="keywordflow">if</font>(!(flags &amp; <a class="code" href="bitmap_8h.html#a1">DDSD_LINEARSIZE</a>)) 
00242     {
00243                 <font class="keywordflow">throw</font> EDDSBadHeader();
00244         }
00245         
00246         <font class="comment">//-------------- extracting and testing useful info</font>
00247 
00248         <a class="code" href="classNLMISC_1_1CBitmap.html#n4">_Height</a> = _DDSSurfaceDesc[2];
00249         <a class="code" href="classNLMISC_1_1CBitmap.html#n3">_Width</a>  = _DDSSurfaceDesc[3];
00250         <a class="code" href="classNLMISC_1_1CBitmap.html#n1">_MipMapCount</a>= (uint8) _DDSSurfaceDesc[6];
00251         <font class="comment">// If no mipmap.</font>
00252         <font class="keywordflow">if</font>(<a class="code" href="classNLMISC_1_1CBitmap.html#n1">_MipMapCount</a>==0)
00253                 <a class="code" href="classNLMISC_1_1CBitmap.html#n1">_MipMapCount</a>=1;
00254         <font class="keywordflow">switch</font> (_DDSSurfaceDesc[20])
00255         {
00256         <font class="keywordflow">case</font> <a class="code" href="classNLMISC_1_1CBitmap.html#p1">DXTC1HEADER</a>:
00257                 <a class="code" href="classNLMISC_1_1CBitmap.html#m0">PixelFormat</a>=<a class="code" href="classNLMISC_1_1CBitmap.html#s11s4">DXTC1</a>;
00258                 <font class="keywordflow">break</font>;
00259         <font class="keywordflow">case</font> <a class="code" href="classNLMISC_1_1CBitmap.html#p2">DXTC3HEADER</a>:
00260                 <a class="code" href="classNLMISC_1_1CBitmap.html#m0">PixelFormat</a>=<a class="code" href="classNLMISC_1_1CBitmap.html#s11s6">DXTC3</a>;
00261                 <font class="keywordflow">break</font>;
00262         <font class="keywordflow">case</font> <a class="code" href="classNLMISC_1_1CBitmap.html#p3">DXTC5HEADER</a>:
00263                 <a class="code" href="classNLMISC_1_1CBitmap.html#m0">PixelFormat</a>=<a class="code" href="classNLMISC_1_1CBitmap.html#s11s7">DXTC5</a>;
00264                 <font class="keywordflow">break</font>;
00265         }
00266         
00267         flags = _DDSSurfaceDesc[19]; <font class="comment">//PixelFormat flags</font>
00268         
00269         <font class="keywordflow">if</font>(<a class="code" href="classNLMISC_1_1CBitmap.html#m0">PixelFormat</a>==<a class="code" href="classNLMISC_1_1CBitmap.html#s11s4">DXTC1</a> &amp;&amp; _DDSSurfaceDesc[21]&gt;0) <font class="comment">//AlphaBitDepth</font>
00270         {
00271                 <a class="code" href="classNLMISC_1_1CBitmap.html#m0">PixelFormat</a> = <a class="code" href="classNLMISC_1_1CBitmap.html#s11s5">DXTC1Alpha</a>;
00272         }
00273         
00274         <font class="keywordflow">if</font>(<a class="code" href="classNLMISC_1_1CBitmap.html#m0">PixelFormat</a>!= <a class="code" href="classNLMISC_1_1CBitmap.html#s11s4">DXTC1</a> &amp;&amp; <a class="code" href="classNLMISC_1_1CBitmap.html#m0">PixelFormat</a>!= <a class="code" href="classNLMISC_1_1CBitmap.html#s11s5">DXTC1Alpha</a> &amp;&amp; <a class="code" href="classNLMISC_1_1CBitmap.html#m0">PixelFormat</a>!= <a class="code" href="classNLMISC_1_1CBitmap.html#s11s6">DXTC3</a> &amp;&amp; <a class="code" href="classNLMISC_1_1CBitmap.html#m0">PixelFormat</a>!= <a class="code" href="classNLMISC_1_1CBitmap.html#s11s7">DXTC5</a>)
00275         {
00276                 <font class="keywordflow">throw</font> EDDSBadHeader();
00277         }
00278 
00279         <font class="comment">// compute the min power of 2 between width and height</font>
00280         uint    minSizeLevel= <a class="code" href="bit__set_8cpp.html#a0">min</a>(<a class="code" href="classNLMISC_1_1CBitmap.html#n3">_Width</a>, <a class="code" href="classNLMISC_1_1CBitmap.html#n4">_Height</a>);
00281         minSizeLevel= <a class="code" href="namespaceNLMISC.html#a224">getPowerOf2</a>(minSizeLevel);
00282 
00283         <font class="comment">//------------- manage mipMapSkip </font>
00284         <font class="keywordflow">if</font>(<a class="code" href="classNLMISC_1_1CBitmap.html#n1">_MipMapCount</a>&gt;1 &amp;&amp; mipMapSkip&gt;0 &amp;&amp; minSizeLevel&gt;2)
00285         {
00286                 <font class="comment">// Keep at least the level where width and height are at leat 4.</font>
00287                 mipMapSkip= <a class="code" href="bit__set_8cpp.html#a0">min</a>(mipMapSkip, minSizeLevel-2);
00288                 <font class="comment">// skip any mipmap</font>
00289                 uint    seekSize= 0;
00290                 <font class="keywordflow">while</font>(mipMapSkip&gt;0)
00291                 {
00292                         uint32 mipMapSz;
00293                         <font class="keywordflow">if</font>(<a class="code" href="classNLMISC_1_1CBitmap.html#m0">PixelFormat</a>==<a class="code" href="classNLMISC_1_1CBitmap.html#s11s4">DXTC1</a> || <a class="code" href="classNLMISC_1_1CBitmap.html#m0">PixelFormat</a>==<a class="code" href="classNLMISC_1_1CBitmap.html#s11s5">DXTC1Alpha</a>)
00294                                 mipMapSz = <a class="code" href="classNLMISC_1_1CBitmap.html#n3">_Width</a>*<a class="code" href="classNLMISC_1_1CBitmap.html#n4">_Height</a>/2;
00295                         <font class="keywordflow">else</font>
00296                                 mipMapSz = <a class="code" href="classNLMISC_1_1CBitmap.html#n3">_Width</a>*<a class="code" href="classNLMISC_1_1CBitmap.html#n4">_Height</a>;
00297 
00298                         <font class="comment">// add to how many to skip</font>
00299                         seekSize+= mipMapSz;
00300 
00301                         <font class="comment">// Size of final bitmap is reduced.</font>
00302                         <a class="code" href="classNLMISC_1_1CBitmap.html#n3">_Width</a>&gt;&gt;=1;
00303                         <a class="code" href="classNLMISC_1_1CBitmap.html#n4">_Height</a>&gt;&gt;=1;
00304                         <a class="code" href="classNLMISC_1_1CBitmap.html#n1">_MipMapCount</a>--;
00305                         mipMapSkip--;
00306                 }
00307                 <font class="comment">// skip data in file</font>
00308                 <font class="keywordflow">if</font>(seekSize&gt;0)
00309                 {
00310                         <font class="keywordflow">if</font>(!f.<a class="code" href="classNLMISC_1_1IStream.html#a31">seek</a>(seekSize, IStream::current))
00311                         {
00312                                 <font class="keywordflow">throw</font> ESeekFailed();
00313                         }
00314                 }
00315 
00316         }
00317 
00318         <font class="comment">//------------- preload all the mipmaps (one serialBuffer() is faster)</font>
00319         uint32 <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a> = <a class="code" href="classNLMISC_1_1CBitmap.html#n3">_Width</a>;
00320         uint32 h = <a class="code" href="classNLMISC_1_1CBitmap.html#n4">_Height</a>;
00321         uint32  totalSize= 0;
00322 
00323         uint8   m;
00324         <font class="keywordflow">for</font>(m= 0; m&lt;<a class="code" href="classNLMISC_1_1CBitmap.html#n1">_MipMapCount</a>; m++)
00325         {
00326                 uint32 wtmp, htmp;
00327                 <font class="keywordflow">if</font>(<a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>&lt;4)
00328                         wtmp = 4;
00329                 <font class="keywordflow">else</font>
00330                         wtmp = <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>;
00331                 <font class="keywordflow">if</font>(h &lt; 4)
00332                         htmp = 4;
00333                 <font class="keywordflow">else</font>
00334                         htmp = h;
00335                 
00336                 uint32 mipMapSz;
00337                 <font class="keywordflow">if</font>(<a class="code" href="classNLMISC_1_1CBitmap.html#m0">PixelFormat</a>==<a class="code" href="classNLMISC_1_1CBitmap.html#s11s4">DXTC1</a> || <a class="code" href="classNLMISC_1_1CBitmap.html#m0">PixelFormat</a>==<a class="code" href="classNLMISC_1_1CBitmap.html#s11s5">DXTC1Alpha</a>)
00338                         mipMapSz = wtmp*htmp/2;
00339                 <font class="keywordflow">else</font>
00340                         mipMapSz = wtmp*htmp;
00341 
00342 
00343                 <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m].resize(mipMapSz);
00344                 totalSize+= mipMapSz;
00345 
00346                 <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a> = (<a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>+1)/2;
00347                 h = (h+1)/2;
00348         }
00349 
00350         <font class="comment">// Read all the data in one block.</font>
00351         vector&lt;uint8&gt;   pixData;
00352         pixData.resize(totalSize);
00353         f.<a class="code" href="classNLMISC_1_1IStream.html#z327_0">serialBuffer</a>(&amp;(*pixData.begin()), totalSize);
00354 
00355 
00356         <font class="comment">//------------- reading mipmap levels from pixData</font>
00357         
00358         uint32 pixIndex= 0;
00359 
00360         <font class="keywordflow">for</font>(m= 0; m&lt;<a class="code" href="classNLMISC_1_1CBitmap.html#n1">_MipMapCount</a>; m++)
00361         {
00362                 uint32  mipMapSz= <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m].size();
00363                 memcpy(&amp;(*<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m].begin()), &amp;(pixData[pixIndex]), mipMapSz);
00364                 pixIndex+= mipMapSz;
00365         }
00366 
00367         <font class="comment">//------------- End</font>
00368 
00369         <font class="keywordflow">switch</font>(PixelFormat)
00370         {
00371                 <font class="keywordflow">case</font> <a class="code" href="classNLMISC_1_1CBitmap.html#s11s4">DXTC1</a>  : <font class="keywordflow">return</font> 24;
00372                 <font class="keywordflow">case</font> <a class="code" href="classNLMISC_1_1CBitmap.html#s11s5">DXTC1Alpha</a> : <font class="keywordflow">return</font> 32;
00373                 <font class="keywordflow">case</font> <a class="code" href="classNLMISC_1_1CBitmap.html#s11s6">DXTC3</a>  : <font class="keywordflow">return</font> 32;
00374                 <font class="keywordflow">case</font> <a class="code" href="classNLMISC_1_1CBitmap.html#s11s7">DXTC5</a>  : <font class="keywordflow">return</font> 32;
00375                 <font class="keywordflow">default</font>  : <font class="keywordflow">break</font>;
00376         }
00377 
00378         <font class="keywordflow">return</font> 0;
00379 }
00380 
00381 
00382 
00383 
00384 <font class="comment">/*-------------------------------------------------------------------*\</font>
00385 <font class="comment">                                                        convertToDXTC5</font>
00386 <font class="comment">\*-------------------------------------------------------------------*/</font>
<a name="l00387"></a><a class="code" href="classNLMISC_1_1CBitmap.html#z275_0">00387</a> <font class="keywordtype">bool</font> CBitmap::convertToDXTC5()
00388 {
00389         <font class="comment">/* Yoyo: RGB encoding for DXTC1 and DXTC5/3 are actually different!!</font>
00390 <font class="comment">                DXTC3/5 don't rely on sign of color0&gt;color1 to setup special encoding (ie use a special compression for Black)</font>
00391 <font class="comment">                Since this can arise if the src is DXTC1 , we can't simply compress it into DXTC5 without doing a </font>
00392 <font class="comment">                heavy compression...</font>
00393 <font class="comment">                (the inverse is false: DXTC5 to DXTC1 is possible, with maybe swap color0/color1 and bits).</font>
00394 <font class="comment">        */</font>
00395 
00396         <font class="keywordflow">return</font> <font class="keyword">false</font>;
00397 
00398 <font class="comment">/*      uint32 i,j;</font>
00399 <font class="comment"></font>
00400 <font class="comment">        if(PixelFormat!=DXTC1) return false;</font>
00401 <font class="comment"></font>
00402 <font class="comment">        for(uint8 m= 0; m&lt;_MipMapCount; m++)</font>
00403 <font class="comment">        {</font>
00404 <font class="comment">                std::vector&lt;uint8&gt; dataTmp;</font>
00405 <font class="comment">                dataTmp.reserve(2*_Data[m].size());</font>
00406 <font class="comment"></font>
00407 <font class="comment">                for(i=0; i&lt;_Data[m].size(); i+=8)</font>
00408 <font class="comment">                {</font>
00409 <font class="comment">                        //64 bits alpha</font>
00410 <font class="comment">                        for(j=0; j&lt;8; j++)</font>
00411 <font class="comment">                        {</font>
00412 <font class="comment">                                dataTmp.push_back(255);</font>
00413 <font class="comment">                        }</font>
00414 <font class="comment"></font>
00415 <font class="comment">                        //64 bits RGB</font>
00416 <font class="comment">                        for(j=0; j&lt;8; j++)</font>
00417 <font class="comment">                        {</font>
00418 <font class="comment">                                dataTmp.push_back(_Data[m][i+j]);</font>
00419 <font class="comment">                        }</font>
00420 <font class="comment">                }</font>
00421 <font class="comment">                _Data[m] = dataTmp;</font>
00422 <font class="comment">        }</font>
00423 <font class="comment">        PixelFormat = DXTC5;</font>
00424 <font class="comment">        return true;</font>
00425 <font class="comment">*/</font>
00426 }
00427 
00428 
00429 
00430 <font class="comment">/*-------------------------------------------------------------------*\</font>
00431 <font class="comment">                                                        luminanceToRGBA()</font>
00432 <font class="comment">\*-------------------------------------------------------------------*/</font>
<a name="l00433"></a><a class="code" href="classNLMISC_1_1CBitmap.html#z275_2">00433</a> <font class="keywordtype">bool</font> CBitmap::luminanceToRGBA()
00434 {
00435         uint32 i;
00436 
00437         <font class="keywordflow">if</font>(<a class="code" href="classNLMISC_1_1CBitmap.html#n3">_Width</a>*<a class="code" href="classNLMISC_1_1CBitmap.html#n4">_Height</a> == 0)  <font class="keywordflow">return</font> <font class="keyword">false</font>;
00438         
00439         <font class="keywordflow">for</font>(uint8 m= 0; m&lt;<a class="code" href="classNLMISC_1_1CBitmap.html#n1">_MipMapCount</a>; m++)
00440         {
00441                 std::vector&lt;uint8&gt; dataTmp;
00442                 dataTmp.reserve(<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m].<a class="code" href="cf__lexical_8cpp.html#a94">size</a>()*4);
00443 
00444                 <font class="keywordflow">for</font>(i=0; i&lt;<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m].size(); i++)
00445                 {
00446                         dataTmp.push_back(<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m][i]);
00447                         dataTmp.push_back(<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m][i]);
00448                         dataTmp.push_back(<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m][i]);
00449                         dataTmp.push_back(255);
00450                 }
00451                 <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m] = dataTmp;
00452         }
00453         <a class="code" href="classNLMISC_1_1CBitmap.html#m0">PixelFormat</a> = <a class="code" href="classNLMISC_1_1CBitmap.html#s11s0">RGBA</a>;
00454         <font class="keywordflow">return</font> <font class="keyword">true</font>;
00455 }
00456 
00457 <font class="comment">/*-------------------------------------------------------------------*\</font>
00458 <font class="comment">                                                        alphaToRGBA()</font>
00459 <font class="comment">\*-------------------------------------------------------------------*/</font>
<a name="l00460"></a><a class="code" href="classNLMISC_1_1CBitmap.html#z275_3">00460</a> <font class="keywordtype">bool</font> CBitmap::alphaToRGBA()
00461 {
00462         uint32 i;
00463 
00464         <font class="keywordflow">if</font>(<a class="code" href="classNLMISC_1_1CBitmap.html#n3">_Width</a>*<a class="code" href="classNLMISC_1_1CBitmap.html#n4">_Height</a> == 0)  <font class="keywordflow">return</font> <font class="keyword">false</font>;
00465         
00466         <font class="keywordflow">for</font>(uint8 m= 0; m&lt;<a class="code" href="classNLMISC_1_1CBitmap.html#n1">_MipMapCount</a>; m++)
00467         {
00468                 std::vector&lt;uint8&gt; dataTmp;
00469                 dataTmp.reserve(<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m].<a class="code" href="cf__lexical_8cpp.html#a94">size</a>()*4);
00470 
00471                 <font class="keywordflow">for</font>(i=0; i&lt;<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m].size(); i++)
00472                 {
00473                         dataTmp.push_back(255);
00474                         dataTmp.push_back(255);
00475                         dataTmp.push_back(255);
00476                         dataTmp.push_back(<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m][i]);
00477                 }
00478                 <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m] = dataTmp;
00479         }
00480         <a class="code" href="classNLMISC_1_1CBitmap.html#m0">PixelFormat</a> = <a class="code" href="classNLMISC_1_1CBitmap.html#s11s0">RGBA</a>;
00481         <font class="keywordflow">return</font> <font class="keyword">true</font>;
00482 }
00483 
00484 
00485 <font class="comment">/*-------------------------------------------------------------------*\</font>
00486 <font class="comment">                                                        alphaLuminanceToRGBA()</font>
00487 <font class="comment">\*-------------------------------------------------------------------*/</font>
<a name="l00488"></a><a class="code" href="classNLMISC_1_1CBitmap.html#z275_4">00488</a> <font class="keywordtype">bool</font> CBitmap::alphaLuminanceToRGBA()
00489 {
00490         uint32 i;
00491 
00492         <font class="keywordflow">if</font>(<a class="code" href="classNLMISC_1_1CBitmap.html#n3">_Width</a>*<a class="code" href="classNLMISC_1_1CBitmap.html#n4">_Height</a> == 0)  <font class="keywordflow">return</font> <font class="keyword">false</font>;
00493         
00494         <font class="keywordflow">for</font>(uint8 m= 0; m&lt;<a class="code" href="classNLMISC_1_1CBitmap.html#n1">_MipMapCount</a>; m++)
00495         {
00496                 std::vector&lt;uint8&gt; dataTmp;
00497                 dataTmp.reserve(<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m].<a class="code" href="cf__lexical_8cpp.html#a94">size</a>()*2);
00498 
00499                 <font class="keywordflow">for</font>(i=0; i&lt;<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m].size(); i+=2)
00500                 {
00501                         dataTmp.push_back(<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m][i]);
00502                         dataTmp.push_back(<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m][i]);
00503                         dataTmp.push_back(<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m][i]);
00504                         dataTmp.push_back(<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m][i+1]);
00505                 }
00506                 <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m] = dataTmp;
00507         }
00508         <a class="code" href="classNLMISC_1_1CBitmap.html#m0">PixelFormat</a> = <a class="code" href="classNLMISC_1_1CBitmap.html#s11s0">RGBA</a>;
00509         <font class="keywordflow">return</font> <font class="keyword">true</font>;
00510 }
00511 
00512 
00513 
00514 
00515 <font class="comment">/*-------------------------------------------------------------------*\</font>
00516 <font class="comment">                                                        rgbaToAlphaLuminance</font>
00517 <font class="comment">\*-------------------------------------------------------------------*/</font>
<a name="l00518"></a><a class="code" href="classNLMISC_1_1CBitmap.html#z275_14">00518</a> <font class="keywordtype">bool</font> CBitmap::rgbaToAlphaLuminance()
00519 {
00520         uint32 i;
00521 
00522         <font class="keywordflow">if</font>(<a class="code" href="classNLMISC_1_1CBitmap.html#n3">_Width</a>*<a class="code" href="classNLMISC_1_1CBitmap.html#n4">_Height</a> == 0)  <font class="keywordflow">return</font> <font class="keyword">false</font>;
00523         
00524         <font class="keywordflow">for</font>(uint8 m= 0; m&lt;<a class="code" href="classNLMISC_1_1CBitmap.html#n1">_MipMapCount</a>; m++)
00525         {
00526                 std::vector&lt;uint8&gt; dataTmp;
00527                 dataTmp.reserve(<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m].<a class="code" href="cf__lexical_8cpp.html#a94">size</a>()/2);
00528 
00529                 <font class="keywordflow">for</font>(i=0; i&lt;<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m].size(); i+=4)
00530                 {
00531                         dataTmp.push_back((<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m][i]*77 + <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m][i+1]*150 + <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m][i+2]*28)/255);
00532                         dataTmp.push_back(<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m][i+3]);
00533                 }
00534                 <a class="code" href="namespaceNLMISC.html#a222">NLMISC::contReset</a>(<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m]); 
00535                 <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m].resize(0);
00536                 <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m] = dataTmp;
00537         }
00538         <a class="code" href="classNLMISC_1_1CBitmap.html#m0">PixelFormat</a> = <a class="code" href="classNLMISC_1_1CBitmap.html#s11s3">AlphaLuminance</a>;
00539         <font class="keywordflow">return</font> <font class="keyword">true</font>;
00540 }
00541 
00542 
00543 <font class="comment">/*-------------------------------------------------------------------*\</font>
00544 <font class="comment">                                                        luminanceToAlphaLuminance</font>
00545 <font class="comment">\*-------------------------------------------------------------------*/</font>
<a name="l00546"></a><a class="code" href="classNLMISC_1_1CBitmap.html#z275_15">00546</a> <font class="keywordtype">bool</font> CBitmap::luminanceToAlphaLuminance()
00547 {
00548         uint32 i;
00549 
00550         <font class="keywordflow">if</font>(<a class="code" href="classNLMISC_1_1CBitmap.html#n3">_Width</a>*<a class="code" href="classNLMISC_1_1CBitmap.html#n4">_Height</a> == 0)  <font class="keywordflow">return</font> <font class="keyword">false</font>;
00551                 
00552         <font class="keywordflow">for</font>(uint8 m= 0; m&lt;<a class="code" href="classNLMISC_1_1CBitmap.html#n1">_MipMapCount</a>; m++)
00553         {
00554                 std::vector&lt;uint8&gt; dataTmp;
00555                 dataTmp.reserve(<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m].<a class="code" href="cf__lexical_8cpp.html#a94">size</a>()*2);
00556 
00557                 <font class="keywordflow">for</font>(i=0; i&lt;<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m].size(); i++)
00558                 {
00559                         dataTmp.push_back(<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m][i]);
00560                         dataTmp.push_back(255);
00561                 }
00562                 <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m] = dataTmp;
00563         }
00564         <a class="code" href="classNLMISC_1_1CBitmap.html#m0">PixelFormat</a> = <a class="code" href="classNLMISC_1_1CBitmap.html#s11s3">AlphaLuminance</a>;
00565         <font class="keywordflow">return</font> <font class="keyword">true</font>;
00566 }
00567 
00568 
00569 
00570 <font class="comment">/*-------------------------------------------------------------------*\</font>
00571 <font class="comment">                                                        alphaToAlphaLuminance</font>
00572 <font class="comment">\*-------------------------------------------------------------------*/</font>
<a name="l00573"></a><a class="code" href="classNLMISC_1_1CBitmap.html#z275_16">00573</a> <font class="keywordtype">bool</font> CBitmap::alphaToAlphaLuminance()
00574 {
00575         uint32 i;
00576 
00577         <font class="keywordflow">if</font>(<a class="code" href="classNLMISC_1_1CBitmap.html#n3">_Width</a>*<a class="code" href="classNLMISC_1_1CBitmap.html#n4">_Height</a> == 0)  <font class="keywordflow">return</font> <font class="keyword">false</font>;
00578                 
00579         <font class="keywordflow">for</font>(uint8 m= 0; m&lt;<a class="code" href="classNLMISC_1_1CBitmap.html#n1">_MipMapCount</a>; m++)
00580         {
00581                 std::vector&lt;uint8&gt; dataTmp;
00582                 dataTmp.reserve(<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m].<a class="code" href="cf__lexical_8cpp.html#a94">size</a>()*2);
00583 
00584                 <font class="keywordflow">for</font>(i=0; i&lt;<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m].size(); i++)
00585                 {
00586                         dataTmp.push_back(0);
00587                         dataTmp.push_back(<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m][i]);
00588                 }
00589                 <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m] = dataTmp;
00590         }
00591         <a class="code" href="classNLMISC_1_1CBitmap.html#m0">PixelFormat</a> = <a class="code" href="classNLMISC_1_1CBitmap.html#s11s3">AlphaLuminance</a>;
00592         <font class="keywordflow">return</font> <font class="keyword">true</font>;
00593 }
00594 
00595 
00596 
00597 <font class="comment">/*-------------------------------------------------------------------*\</font>
00598 <font class="comment">                                                        rgbaToLuminance</font>
00599 <font class="comment">\*-------------------------------------------------------------------*/</font>
<a name="l00600"></a><a class="code" href="classNLMISC_1_1CBitmap.html#z275_6">00600</a> <font class="keywordtype">bool</font> CBitmap::rgbaToLuminance()
00601 {
00602         uint32 i;
00603 
00604         <font class="keywordflow">if</font>(<a class="code" href="classNLMISC_1_1CBitmap.html#n3">_Width</a>*<a class="code" href="classNLMISC_1_1CBitmap.html#n4">_Height</a> == 0)  <font class="keywordflow">return</font> <font class="keyword">false</font>;
00605                 
00606         <font class="keywordflow">for</font>(uint8 m= 0; m&lt;<a class="code" href="classNLMISC_1_1CBitmap.html#n1">_MipMapCount</a>; m++)
00607         {
00608                 std::vector&lt;uint8&gt; dataTmp;
00609                 dataTmp.reserve(<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m].<a class="code" href="cf__lexical_8cpp.html#a94">size</a>()/4);
00610 
00611                 <font class="keywordflow">for</font>(i=0; i&lt;<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m].size(); i+=4)
00612                 {
00613                         dataTmp.push_back((<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m][i]*77 + <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m][i+1]*150 + <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m][i+2]*28)/255);
00614                 }
00615                 <a class="code" href="namespaceNLMISC.html#a222">NLMISC::contReset</a>(<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m]); 
00616                 <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m].resize(0);
00617                 <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m] = dataTmp;
00618         }
00619         <a class="code" href="classNLMISC_1_1CBitmap.html#m0">PixelFormat</a> = <a class="code" href="classNLMISC_1_1CBitmap.html#s11s1">Luminance</a>;
00620         <font class="keywordflow">return</font> <font class="keyword">true</font>;
00621 }
00622 
00623 
00624 
00625 <font class="comment">/*-------------------------------------------------------------------*\</font>
00626 <font class="comment">                                                        alphaToLuminance</font>
00627 <font class="comment">\*-------------------------------------------------------------------*/</font>
<a name="l00628"></a><a class="code" href="classNLMISC_1_1CBitmap.html#z275_7">00628</a> <font class="keywordtype">bool</font> CBitmap::alphaToLuminance()
00629 {
00630         <font class="keywordflow">if</font>(<a class="code" href="classNLMISC_1_1CBitmap.html#n3">_Width</a>*<a class="code" href="classNLMISC_1_1CBitmap.html#n4">_Height</a> == 0)  <font class="keywordflow">return</font> <font class="keyword">false</font>;
00631                 
00632         <a class="code" href="classNLMISC_1_1CBitmap.html#m0">PixelFormat</a> = <a class="code" href="classNLMISC_1_1CBitmap.html#s11s1">Luminance</a>;
00633         <font class="keywordflow">return</font> <font class="keyword">true</font>;
00634 }
00635 
00636 
00637 
00638 <font class="comment">/*-------------------------------------------------------------------*\</font>
00639 <font class="comment">                                                        alphaLuminanceToLuminance</font>
00640 <font class="comment">\*-------------------------------------------------------------------*/</font>
<a name="l00641"></a><a class="code" href="classNLMISC_1_1CBitmap.html#z275_8">00641</a> <font class="keywordtype">bool</font> CBitmap::alphaLuminanceToLuminance()
00642 {
00643         uint32 i;
00644 
00645         <font class="keywordflow">if</font>(<a class="code" href="classNLMISC_1_1CBitmap.html#n3">_Width</a>*<a class="code" href="classNLMISC_1_1CBitmap.html#n4">_Height</a> == 0)  <font class="keywordflow">return</font> <font class="keyword">false</font>;
00646                 
00647         <font class="keywordflow">for</font>(uint8 m= 0; m&lt;<a class="code" href="classNLMISC_1_1CBitmap.html#n1">_MipMapCount</a>; m++)
00648         {
00649                 std::vector&lt;uint8&gt; dataTmp;
00650                 dataTmp.reserve(<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m].<a class="code" href="cf__lexical_8cpp.html#a94">size</a>()/2);
00651 
00652                 <font class="keywordflow">for</font>(i=0; i&lt;<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m].size(); i+=2)
00653                 {
00654                         dataTmp.push_back(0);
00655                         dataTmp.push_back(0);
00656                         dataTmp.push_back(0);
00657                         dataTmp.push_back(<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m][i]);
00658                 }
00659                 <a class="code" href="namespaceNLMISC.html#a222">NLMISC::contReset</a>(<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m]); 
00660                 <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m].resize(0);
00661                 <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m] = dataTmp;
00662         }
00663         <a class="code" href="classNLMISC_1_1CBitmap.html#m0">PixelFormat</a> = <a class="code" href="classNLMISC_1_1CBitmap.html#s11s1">Luminance</a>;
00664         <font class="keywordflow">return</font> <font class="keyword">true</font>;
00665 }
00666 
00667 
00668 <font class="comment">/*-------------------------------------------------------------------*\</font>
00669 <font class="comment">                                                        rgbaToAlpha</font>
00670 <font class="comment">\*-------------------------------------------------------------------*/</font>
<a name="l00671"></a><a class="code" href="classNLMISC_1_1CBitmap.html#z275_10">00671</a> <font class="keywordtype">bool</font> CBitmap::rgbaToAlpha()
00672 {
00673         uint32 i;
00674 
00675         <font class="keywordflow">if</font>(<a class="code" href="classNLMISC_1_1CBitmap.html#n3">_Width</a>*<a class="code" href="classNLMISC_1_1CBitmap.html#n4">_Height</a> == 0)  <font class="keywordflow">return</font> <font class="keyword">false</font>;
00676                 
00677         <font class="keywordflow">for</font>(uint8 m= 0; m&lt;<a class="code" href="classNLMISC_1_1CBitmap.html#n1">_MipMapCount</a>; m++)
00678         {
00679                 std::vector&lt;uint8&gt; dataTmp;
00680                 dataTmp.reserve(<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m].<a class="code" href="cf__lexical_8cpp.html#a94">size</a>()/4);
00681 
00682                 <font class="keywordflow">for</font>(i=0; i&lt;<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m].size(); i+=4)
00683                 {
00684                         dataTmp.push_back(0);
00685                         dataTmp.push_back(0);
00686                         dataTmp.push_back(0);
00687                         dataTmp.push_back(<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m][i+3]);
00688                 }
00689                 <a class="code" href="namespaceNLMISC.html#a222">NLMISC::contReset</a>(<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m]); 
00690                 <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m].resize(0);
00691                 <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m] = dataTmp;
00692         }
00693         <a class="code" href="classNLMISC_1_1CBitmap.html#m0">PixelFormat</a> = <a class="code" href="classNLMISC_1_1CBitmap.html#s11s2">Alpha</a>;
00694         <font class="keywordflow">return</font> <font class="keyword">true</font>;
00695 }
00696 
00697 
00698 <font class="comment">/*-------------------------------------------------------------------*\</font>
00699 <font class="comment">                                                        luminanceToAlpha</font>
00700 <font class="comment">\*-------------------------------------------------------------------*/</font>
<a name="l00701"></a><a class="code" href="classNLMISC_1_1CBitmap.html#z275_11">00701</a> <font class="keywordtype">bool</font> CBitmap::luminanceToAlpha()
00702 {
00703         uint32 i;
00704 
00705         <font class="keywordflow">if</font>(<a class="code" href="classNLMISC_1_1CBitmap.html#n3">_Width</a>*<a class="code" href="classNLMISC_1_1CBitmap.html#n4">_Height</a> == 0)  <font class="keywordflow">return</font> <font class="keyword">false</font>;
00706                 
00707         <font class="keywordflow">for</font>(uint8 m= 0; m&lt;<a class="code" href="classNLMISC_1_1CBitmap.html#n1">_MipMapCount</a>; m++)
00708         {
00709                 std::vector&lt;uint8&gt; dataTmp;
00710                 dataTmp.reserve(<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m].<a class="code" href="cf__lexical_8cpp.html#a94">size</a>());
00711 
00712                 <font class="keywordflow">for</font>(i=0; i&lt;<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m].size(); i++)
00713                 {
00714                         dataTmp.push_back(<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m][i]);
00715                 }
00716                 <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m] = dataTmp;
00717         }
00718         <a class="code" href="classNLMISC_1_1CBitmap.html#m0">PixelFormat</a> = <a class="code" href="classNLMISC_1_1CBitmap.html#s11s2">Alpha</a>;
00719         <font class="keywordflow">return</font> <font class="keyword">true</font>;
00720 }
00721 
00722 
00723 <font class="comment">/*-------------------------------------------------------------------*\</font>
00724 <font class="comment">                                                        alphaLuminanceToAlpha</font>
00725 <font class="comment">\*-------------------------------------------------------------------*/</font>
<a name="l00726"></a><a class="code" href="classNLMISC_1_1CBitmap.html#z275_12">00726</a> <font class="keywordtype">bool</font> CBitmap::alphaLuminanceToAlpha()
00727 {
00728         uint32 i;
00729 
00730         <font class="keywordflow">if</font>(<a class="code" href="classNLMISC_1_1CBitmap.html#n3">_Width</a>*<a class="code" href="classNLMISC_1_1CBitmap.html#n4">_Height</a> == 0)  <font class="keywordflow">return</font> <font class="keyword">false</font>;
00731                 
00732         <font class="keywordflow">for</font>(uint8 m= 0; m&lt;<a class="code" href="classNLMISC_1_1CBitmap.html#n1">_MipMapCount</a>; m++)
00733         {
00734                 std::vector&lt;uint8&gt; dataTmp;
00735                 dataTmp.reserve(<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m].<a class="code" href="cf__lexical_8cpp.html#a94">size</a>()/2);
00736 
00737                 <font class="keywordflow">for</font>(i=0; i&lt;<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m].size(); i+=2)
00738                 {
00739                         dataTmp.push_back(<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m][i+1]);
00740                 }
00741                 <a class="code" href="namespaceNLMISC.html#a222">NLMISC::contReset</a>(<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m]); 
00742                 <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m].resize(0);
00743                 <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m] = dataTmp;
00744         }
00745         <a class="code" href="classNLMISC_1_1CBitmap.html#m0">PixelFormat</a> = <a class="code" href="classNLMISC_1_1CBitmap.html#s11s2">Alpha</a>;
00746         <font class="keywordflow">return</font> <font class="keyword">true</font>;
00747 }
00748 
00749 
00750 <font class="comment">/*-------------------------------------------------------------------*\</font>
00751 <font class="comment">                                                        convertToLuminance</font>
00752 <font class="comment">\*-------------------------------------------------------------------*/</font>
<a name="l00753"></a><a class="code" href="classNLMISC_1_1CBitmap.html#z275_5">00753</a> <font class="keywordtype">bool</font> CBitmap::convertToLuminance()
00754 {
00755         <font class="keywordflow">switch</font>(PixelFormat)
00756         {
00757                 <font class="keywordflow">case</font> <a class="code" href="classNLMISC_1_1CBitmap.html#s11s0">RGBA</a> :
00758                         <font class="keywordflow">return</font> <a class="code" href="classNLMISC_1_1CBitmap.html#z275_6">rgbaToLuminance</a>();
00759                         <font class="keywordflow">break</font>;
00760 
00761                 <font class="keywordflow">case</font> <a class="code" href="classNLMISC_1_1CBitmap.html#s11s1">Luminance</a> :
00762                         <font class="keywordflow">return</font> <font class="keyword">true</font>;
00763                         <font class="keywordflow">break</font>;
00764 
00765                 <font class="keywordflow">case</font> <a class="code" href="classNLMISC_1_1CBitmap.html#s11s2">Alpha</a> :
00766                         <font class="keywordflow">return</font> <a class="code" href="classNLMISC_1_1CBitmap.html#z275_7">alphaToLuminance</a>();
00767                         <font class="keywordflow">break</font>;
00768 
00769                 <font class="keywordflow">case</font> <a class="code" href="classNLMISC_1_1CBitmap.html#s11s3">AlphaLuminance</a> :
00770                         <font class="keywordflow">return</font> <a class="code" href="classNLMISC_1_1CBitmap.html#z275_8">alphaLuminanceToLuminance</a>();
00771                         <font class="keywordflow">break</font>;
00772 
00773                 <font class="keywordflow">default</font>:
00774                         <font class="keywordflow">break</font>;
00775         }
00776         <font class="keywordflow">return</font> <font class="keyword">false</font>;
00777 }
00778 
00779 
00780 
00781 <font class="comment">/*-------------------------------------------------------------------*\</font>
00782 <font class="comment">                                                        convertToAlpha</font>
00783 <font class="comment">\*-------------------------------------------------------------------*/</font>
<a name="l00784"></a><a class="code" href="classNLMISC_1_1CBitmap.html#z275_9">00784</a> <font class="keywordtype">bool</font> CBitmap::convertToAlpha()
00785 {
00786         <font class="keywordflow">switch</font>(PixelFormat)
00787         {
00788                 <font class="keywordflow">case</font> <a class="code" href="classNLMISC_1_1CBitmap.html#s11s0">RGBA</a> :
00789                         <font class="keywordflow">return</font> <a class="code" href="classNLMISC_1_1CBitmap.html#z275_10">rgbaToAlpha</a>();
00790                         <font class="keywordflow">break</font>;
00791 
00792                 <font class="keywordflow">case</font> <a class="code" href="classNLMISC_1_1CBitmap.html#s11s1">Luminance</a> :
00793                         <font class="keywordflow">return</font> <a class="code" href="classNLMISC_1_1CBitmap.html#z275_11">luminanceToAlpha</a>();
00794                         <font class="keywordflow">break</font>;
00795 
00796                 <font class="keywordflow">case</font> <a class="code" href="classNLMISC_1_1CBitmap.html#s11s2">Alpha</a> :
00797                         <font class="keywordflow">return</font> <font class="keyword">true</font>;
00798                         <font class="keywordflow">break</font>;
00799 
00800                 <font class="keywordflow">case</font> <a class="code" href="classNLMISC_1_1CBitmap.html#s11s3">AlphaLuminance</a> :
00801                         <font class="keywordflow">return</font> <a class="code" href="classNLMISC_1_1CBitmap.html#z275_12">alphaLuminanceToAlpha</a>();
00802                         <font class="keywordflow">break</font>;
00803 
00804                 <font class="keywordflow">default</font>:
00805                         <font class="keywordflow">break</font>;
00806         }
00807         <font class="keywordflow">return</font> <font class="keyword">false</font>;
00808 }
00809 
00810 
00811 
00812 <font class="comment">/*-------------------------------------------------------------------*\</font>
00813 <font class="comment">                                                        convertToAlphaLuminance</font>
00814 <font class="comment">\*-------------------------------------------------------------------*/</font>
<a name="l00815"></a><a class="code" href="classNLMISC_1_1CBitmap.html#z275_13">00815</a> <font class="keywordtype">bool</font> CBitmap::convertToAlphaLuminance()
00816 {
00817         <font class="keywordflow">switch</font>(PixelFormat)
00818         {
00819                 <font class="keywordflow">case</font> <a class="code" href="classNLMISC_1_1CBitmap.html#s11s0">RGBA</a> :
00820                         <font class="keywordflow">return</font> <a class="code" href="classNLMISC_1_1CBitmap.html#z275_14">rgbaToAlphaLuminance</a>();
00821                         <font class="keywordflow">break</font>;
00822 
00823                 <font class="keywordflow">case</font> <a class="code" href="classNLMISC_1_1CBitmap.html#s11s1">Luminance</a> :
00824                         <font class="keywordflow">return</font> <a class="code" href="classNLMISC_1_1CBitmap.html#z275_15">luminanceToAlphaLuminance</a>();
00825                         <font class="keywordflow">break</font>;
00826 
00827                 <font class="keywordflow">case</font> <a class="code" href="classNLMISC_1_1CBitmap.html#s11s2">Alpha</a> :
00828                         <font class="keywordflow">return</font> <a class="code" href="classNLMISC_1_1CBitmap.html#z275_16">alphaToAlphaLuminance</a>();
00829                         <font class="keywordflow">break</font>;
00830 
00831                 <font class="keywordflow">case</font> <a class="code" href="classNLMISC_1_1CBitmap.html#s11s3">AlphaLuminance</a> :
00832                         <font class="keywordflow">return</font> <font class="keyword">true</font>;
00833                         <font class="keywordflow">break</font>;
00834 
00835                 <font class="keywordflow">default</font>:
00836                         <font class="keywordflow">break</font>;
00837         }
00838         <font class="keywordflow">return</font> <font class="keyword">false</font>;
00839 }
00840 
00841 
00842 <font class="comment">/*-------------------------------------------------------------------*\</font>
00843 <font class="comment">                                                        convertToRGBA</font>
00844 <font class="comment">\*-------------------------------------------------------------------*/</font>
<a name="l00845"></a><a class="code" href="classNLMISC_1_1CBitmap.html#z275_1">00845</a> <font class="keywordtype">bool</font> CBitmap::convertToRGBA()
00846 {
00847         <font class="keywordflow">switch</font>(PixelFormat)
00848         {
00849                 <font class="keywordflow">case</font> <a class="code" href="classNLMISC_1_1CBitmap.html#s11s4">DXTC1</a> :
00850                         <font class="keywordflow">return</font> <a class="code" href="classNLMISC_1_1CBitmap.html#c3">decompressDXT1</a>(<font class="keyword">false</font>);
00851                         <font class="keywordflow">break</font>;
00852 
00853                 <font class="keywordflow">case</font> <a class="code" href="classNLMISC_1_1CBitmap.html#s11s5">DXTC1Alpha</a> :
00854                         <font class="keywordflow">return</font> <a class="code" href="classNLMISC_1_1CBitmap.html#c3">decompressDXT1</a>(<font class="keyword">true</font>);
00855                         <font class="keywordflow">break</font>;
00856 
00857                 <font class="keywordflow">case</font> <a class="code" href="classNLMISC_1_1CBitmap.html#s11s6">DXTC3</a> :
00858                         <font class="keywordflow">return</font> <a class="code" href="classNLMISC_1_1CBitmap.html#c4">decompressDXT3</a>();        
00859                         <font class="keywordflow">break</font>;
00860 
00861                 <font class="keywordflow">case</font> <a class="code" href="classNLMISC_1_1CBitmap.html#s11s7">DXTC5</a> :
00862                         <font class="keywordflow">return</font> <a class="code" href="classNLMISC_1_1CBitmap.html#c5">decompressDXT5</a>();                
00863                         <font class="keywordflow">break</font>;
00864 
00865                 <font class="keywordflow">case</font> <a class="code" href="classNLMISC_1_1CBitmap.html#s11s1">Luminance</a> :
00866                         <font class="keywordflow">return</font> <a class="code" href="classNLMISC_1_1CBitmap.html#z275_2">luminanceToRGBA</a>();
00867                         <font class="keywordflow">break</font>;
00868 
00869                 <font class="keywordflow">case</font> <a class="code" href="classNLMISC_1_1CBitmap.html#s11s2">Alpha</a> :
00870                         <font class="keywordflow">return</font> <a class="code" href="classNLMISC_1_1CBitmap.html#z275_3">alphaToRGBA</a>();
00871                         <font class="keywordflow">break</font>;
00872 
00873                 <font class="keywordflow">case</font> <a class="code" href="classNLMISC_1_1CBitmap.html#s11s3">AlphaLuminance</a> :
00874                         <font class="keywordflow">return</font> <a class="code" href="classNLMISC_1_1CBitmap.html#z275_4">alphaLuminanceToRGBA</a>();
00875                         <font class="keywordflow">break</font>;
00876                 <font class="keywordflow">case</font> <a class="code" href="classNLMISC_1_1CBitmap.html#s11s0">RGBA</a>:
00877                         <font class="keywordflow">return</font> <font class="keyword">true</font>;
00878                 <font class="keywordflow">break</font>;
00879                 <font class="keywordflow">default</font>:
00880                         <font class="keywordflow">break</font>;
00881         }
00882         <font class="keywordflow">return</font> <font class="keyword">false</font>;
00883 }
00884 
00885 
00886 <font class="comment">/*-------------------------------------------------------------------*\</font>
00887 <font class="comment">                                                        convertToType</font>
00888 <font class="comment">\*-------------------------------------------------------------------*/</font>
<a name="l00889"></a><a class="code" href="classNLMISC_1_1CBitmap.html#a4">00889</a> <font class="keywordtype">bool</font> CBitmap::convertToType(CBitmap::TType <a class="code" href="driver__opengl__extension__def_8h.html#a373">type</a>)
00890 {
00891         <font class="keywordflow">if</font>(<a class="code" href="classNLMISC_1_1CBitmap.html#m0">PixelFormat</a>==<a class="code" href="driver__opengl__extension__def_8h.html#a373">type</a>) <font class="keywordflow">return</font> <font class="keyword">true</font>;
00892 
00893         <font class="keywordflow">switch</font>(type)
00894         {
00895                 <font class="keywordflow">case</font> <a class="code" href="classNLMISC_1_1CBitmap.html#s11s0">RGBA</a> :
00896                         <font class="keywordflow">return</font> <a class="code" href="classNLMISC_1_1CBitmap.html#z275_1">convertToRGBA</a>();
00897                         <font class="keywordflow">break</font>;
00898 
00899                 <font class="keywordflow">case</font> <a class="code" href="classNLMISC_1_1CBitmap.html#s11s7">DXTC5</a> :
00900                         <font class="keywordflow">return</font> <a class="code" href="classNLMISC_1_1CBitmap.html#z275_0">convertToDXTC5</a>();                
00901                         <font class="keywordflow">break</font>;
00902 
00903                 <font class="keywordflow">case</font> <a class="code" href="classNLMISC_1_1CBitmap.html#s11s1">Luminance</a> :
00904                         <font class="keywordflow">return</font> <a class="code" href="classNLMISC_1_1CBitmap.html#z275_5">convertToLuminance</a>();
00905                         <font class="keywordflow">break</font>;
00906 
00907                 <font class="keywordflow">case</font> <a class="code" href="classNLMISC_1_1CBitmap.html#s11s2">Alpha</a> :
00908                         <font class="keywordflow">return</font> <a class="code" href="classNLMISC_1_1CBitmap.html#z275_9">convertToAlpha</a>();
00909                         <font class="keywordflow">break</font>;
00910 
00911                 <font class="keywordflow">case</font> <a class="code" href="classNLMISC_1_1CBitmap.html#s11s3">AlphaLuminance</a> :
00912                         <font class="keywordflow">return</font> <a class="code" href="classNLMISC_1_1CBitmap.html#z275_13">convertToAlphaLuminance</a>();
00913                         <font class="keywordflow">break</font>;
00914 
00915                 <font class="keywordflow">default</font>:
00916                         <font class="keywordflow">break</font>;
00917         }
00918         
00919         <font class="keywordflow">return</font> <font class="keyword">false</font>;
00920 }
00921 
00922 
00923 
00924 
00925 <font class="comment">/*-------------------------------------------------------------------*\</font>
00926 <font class="comment">                                                        decompressDXT1</font>
00927 <font class="comment">\*-------------------------------------------------------------------*/</font>
<a name="l00928"></a><a class="code" href="classNLMISC_1_1CBitmap.html#c3">00928</a> <font class="keywordtype">bool</font> CBitmap::decompressDXT1(<font class="keywordtype">bool</font> <a class="code" href="driver__opengl__extension__def_8h.html#a420">alpha</a>)
00929 {
00930         uint32 i,j,k;
00931         <a class="code" href="classNLMISC_1_1CRGBA.html">NLMISC::CRGBA</a>   c[4];
00932         std::vector&lt;uint8&gt; dataTmp[<a class="code" href="namespaceNLMISC.html#a4">MAX_MIPMAP</a>];
00933         
00934         uint32 <a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>= <a class="code" href="classNLMISC_1_1CBitmap.html#n3">_Width</a>;
00935         uint32 <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>= <a class="code" href="classNLMISC_1_1CBitmap.html#n4">_Height</a>;
00936 
00937         <font class="keywordflow">for</font>(uint8 m= 0; m&lt;<a class="code" href="classNLMISC_1_1CBitmap.html#n1">_MipMapCount</a>; m++)
00938         {
00939                 uint32 wtmp, htmp;
00940                 <font class="keywordflow">if</font>(<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>&lt;4)
00941                         wtmp = 4;
00942                 <font class="keywordflow">else</font>
00943                         wtmp = <a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>;
00944                 <font class="keywordflow">if</font>(<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a> &lt; 4)
00945                         htmp = 4;
00946                 <font class="keywordflow">else</font>
00947                         htmp = <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>;
00948                 uint32 mipMapSz = wtmp*htmp*4;
00949                 dataTmp[m].resize(mipMapSz); 
00950                 <font class="keywordflow">if</font>(dataTmp[m].capacity()&lt;mipMapSz)
00951                 {
00952                         <font class="keywordflow">throw</font> EAllocationFailure();
00953                 }
00954                 uint32 wBlockCount= wtmp/4;
00955                 
00956 
00957 
00958                 <font class="keywordflow">for</font>(i=0; i &lt; <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m].size(); i+=8)
00959                 {
00960                         uint16 color0;
00961                         uint16 color1;
00962                         uint32 bits;
00963                         memcpy(&amp;color0,&amp;<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m][i],2);
00964                         memcpy(&amp;color1,&amp;<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m][i+2],2);
00965                         memcpy(&amp;bits,&amp;<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m][i+4],4);
00966 
00967                         <a class="code" href="classNLMISC_1_1CBitmap.html#f0">uncompress</a>(color0,c[0]);
00968                         <a class="code" href="classNLMISC_1_1CBitmap.html#f0">uncompress</a>(color1,c[1]);        
00969                         
00970                         c[0].<a class="code" href="classNLMISC_1_1CRGBA.html#m3">A</a>= 0;
00971                         c[1].<a class="code" href="classNLMISC_1_1CRGBA.html#m3">A</a>= 0;
00972                         c[2].<a class="code" href="classNLMISC_1_1CRGBA.html#m3">A</a>= 0;
00973                         c[3].<a class="code" href="classNLMISC_1_1CRGBA.html#m3">A</a>= 0;
00974                         
00975                         <font class="keywordflow">if</font>(color0&gt;color1)
00976                         {
00977                                 c[2].<a class="code" href="classNLMISC_1_1CRGBA.html#a7">blendFromui</a>(c[0],c[1],85);
00978                                 <font class="keywordflow">if</font>(alpha) c[2].<a class="code" href="classNLMISC_1_1CRGBA.html#m3">A</a>= 255;
00979 
00980                                 c[3].<a class="code" href="classNLMISC_1_1CRGBA.html#a7">blendFromui</a>(c[0],c[1],171);        
00981                                 <font class="keywordflow">if</font>(alpha) c[3].<a class="code" href="classNLMISC_1_1CRGBA.html#m3">A</a>= 255;
00982                         }
00983                         <font class="keywordflow">else</font>
00984                         {
00985                                 c[2].<a class="code" href="classNLMISC_1_1CRGBA.html#a7">blendFromui</a>(c[0],c[1],128);
00986                                 <font class="keywordflow">if</font>(alpha) c[2].<a class="code" href="classNLMISC_1_1CRGBA.html#m3">A</a>= 255;
00987 
00988                                 c[3].<a class="code" href="classNLMISC_1_1CRGBA.html#a10">set</a>(0,0,0,0);
00989                         }
00990 
00991                         <font class="comment">// computing the 16 RGBA of the block</font>
00992                         
00993                         uint32 blockNum= i/8; <font class="comment">//(64 bits)</font>
00994                         <font class="comment">// &lt;previous blocks in above lines&gt; * 4 (rows) * _Width (columns) + 4pix*4rgba*&lt;same line previous blocks&gt;</font>
00995                         uint32 pixelsCount= 4*(blockNum/wBlockCount)*wtmp*4 + 4*4*(blockNum%wBlockCount);
00996                         <font class="keywordflow">for</font>(j=0; j&lt;4; j++)
00997                         {
00998                                 <font class="keywordflow">for</font>(k=0; k&lt;4; k++)
00999                                 {
01000                                         dataTmp[m][pixelsCount + j*wtmp*4 + 4*k]= c[bits&amp;3].<a class="code" href="classNLMISC_1_1CRGBA.html#m0">R</a>;
01001                                         dataTmp[m][pixelsCount + j*wtmp*4 + 4*k+1]= c[bits&amp;3].<a class="code" href="classNLMISC_1_1CRGBA.html#m1">G</a>;
01002                                         dataTmp[m][pixelsCount + j*wtmp*4 + 4*k+2]= c[bits&amp;3].<a class="code" href="classNLMISC_1_1CRGBA.html#m2">B</a>;
01003                                         dataTmp[m][pixelsCount + j*wtmp*4 + 4*k+3]= c[bits&amp;3].<a class="code" href="classNLMISC_1_1CRGBA.html#m3">A</a>;
01004                                         bits&gt;&gt;=2;
01005                                 }
01006                         }
01007                 }
01008 
01009                 <font class="comment">// Copy result into the mipmap level.</font>
01010                 <font class="keywordflow">if</font>(wtmp==<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a> &amp;&amp; htmp==<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>)
01011                 {
01012                         <font class="comment">// For mipmaps level &gt;4 pixels.</font>
01013                         <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m]= dataTmp[m];
01014                 }
01015                 <font class="keywordflow">else</font>
01016                 {
01017                         <font class="comment">// For last mipmaps, level &lt;4 pixels.</font>
01018                         <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m].resize(<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>*<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>*4);
01019                         CRGBA   *<a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>= (CRGBA*)&amp;dataTmp[m][0];
01020                         CRGBA   *dst= (CRGBA*)&amp;<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m][0];
01021                         uint    <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>,<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>;
01022                         <font class="keywordflow">for</font>(<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>=0;<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>&lt;<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>;<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>++)
01023                         {
01024                                 <font class="keywordflow">for</font>(<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>=0;<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>&lt;<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>;<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>++)
01025                                         dst[<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>+<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>]= <a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>[<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*wtmp+<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>];
01026                         }
01027                 }
01028 
01029                 <font class="comment">// Next mipmap size.</font>
01030                 <a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a> = (<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>+1)/2;
01031                 <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a> = (<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>+1)/2;
01032         }
01033         <a class="code" href="classNLMISC_1_1CBitmap.html#m0">PixelFormat</a> = <a class="code" href="classNLMISC_1_1CBitmap.html#s11s0">RGBA</a>;
01034         <font class="keywordflow">return</font> <font class="keyword">true</font>;
01035 }
01036 
01037 
01038 
01039 
01040 <font class="comment">/*-------------------------------------------------------------------*\</font>
01041 <font class="comment">                                                        decompressDXT3</font>
01042 <font class="comment">\*-------------------------------------------------------------------*/</font>
<a name="l01043"></a><a class="code" href="classNLMISC_1_1CBitmap.html#c4">01043</a> <font class="keywordtype">bool</font> CBitmap::decompressDXT3()
01044 {
01045         uint32 i,j,k;
01046         <a class="code" href="classNLMISC_1_1CRGBA.html">NLMISC::CRGBA</a>   c[4];
01047         std::vector&lt;uint8&gt; dataTmp[<a class="code" href="namespaceNLMISC.html#a4">MAX_MIPMAP</a>];
01048         
01049         uint32 <a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>= <a class="code" href="classNLMISC_1_1CBitmap.html#n3">_Width</a>;
01050         uint32 <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>= <a class="code" href="classNLMISC_1_1CBitmap.html#n4">_Height</a>;
01051 
01052         <font class="keywordflow">for</font>(uint8 m= 0; m&lt;<a class="code" href="classNLMISC_1_1CBitmap.html#n1">_MipMapCount</a>; m++)
01053         {
01054                 uint32 wtmp, htmp;
01055                 <font class="keywordflow">if</font>(<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>&lt;4)
01056                         wtmp = 4;
01057                 <font class="keywordflow">else</font>
01058                         wtmp = <a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>;
01059                 <font class="keywordflow">if</font>(<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a> &lt; 4)
01060                         htmp = 4;
01061                 <font class="keywordflow">else</font>
01062                         htmp = <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>;
01063                 uint32 mipMapSz = wtmp*htmp*4;
01064                 dataTmp[m].resize(mipMapSz); 
01065                 <font class="keywordflow">if</font>(dataTmp[m].capacity()&lt;mipMapSz)
01066                 {
01067                         <font class="keywordflow">throw</font> EAllocationFailure();
01068                 }
01069                 uint32 wBlockCount= wtmp/4;
01070                 
01071 
01072                 <font class="keywordflow">for</font>(i=0; i &lt; <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m].size(); i+=16)
01073                 {
01074                         uint8 <a class="code" href="driver__opengl__extension__def_8h.html#a420">alpha</a>[16];
01075                         uint64 alphatmp;
01076                         memcpy(&amp;alphatmp,&amp;<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m][i],8);
01077 
01078                         <font class="keywordflow">for</font>(j=0; j&lt;16; j++)
01079                         {
01080                                 uint8   a= (uint8)(alphatmp&amp;15);
01081                                 <font class="comment">// expand to 0-255.</font>
01082                                 <a class="code" href="driver__opengl__extension__def_8h.html#a420">alpha</a>[j]= a+(a&lt;&lt;4);
01083                                 alphatmp&gt;&gt;=4;
01084                         }
01085 
01086 
01087                         uint16 color0;
01088                         uint16 color1;
01089                         uint32 bits;
01090                         memcpy(&amp;color0,&amp;<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m][i+8],2);
01091                         memcpy(&amp;color1,&amp;<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m][i+10],2);
01092                         memcpy(&amp;bits,&amp;<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m][i+12],4);
01093 
01094                         <a class="code" href="classNLMISC_1_1CBitmap.html#f0">uncompress</a>(color0,c[0]);
01095                         <a class="code" href="classNLMISC_1_1CBitmap.html#f0">uncompress</a>(color1,c[1]);        
01096                                                 
01097                         <font class="comment">// ignore color0&gt;color1 for DXT3 and DXT5.</font>
01098                         c[2].<a class="code" href="classNLMISC_1_1CRGBA.html#a7">blendFromui</a>(c[0],c[1],85);
01099                         c[3].<a class="code" href="classNLMISC_1_1CRGBA.html#a7">blendFromui</a>(c[0],c[1],171);        
01100 
01101                         <font class="comment">// computing the 16 RGBA of the block</font>
01102                         
01103                         uint32 blockNum= i/16; <font class="comment">//(128 bits)</font>
01104                         <font class="comment">// &lt;previous blocks in above lines&gt; * 4 (rows) * wtmp (columns) + 4pix*4rgba*&lt;same line previous blocks&gt;</font>
01105                         uint32 pixelsCount= 4*(blockNum/wBlockCount)*wtmp*4 + 4*4*(blockNum%wBlockCount);
01106                         <font class="keywordflow">for</font>(j=0; j&lt;4; j++)
01107                         {
01108                                 <font class="keywordflow">for</font>(k=0; k&lt;4; k++)
01109                                 {
01110                                         dataTmp[m][pixelsCount + j*wtmp*4 + 4*k]= c[bits&amp;3].<a class="code" href="classNLMISC_1_1CRGBA.html#m0">R</a>;
01111                                         dataTmp[m][pixelsCount + j*wtmp*4 + 4*k+1]= c[bits&amp;3].<a class="code" href="classNLMISC_1_1CRGBA.html#m1">G</a>;
01112                                         dataTmp[m][pixelsCount + j*wtmp*4 + 4*k+2]= c[bits&amp;3].<a class="code" href="classNLMISC_1_1CRGBA.html#m2">B</a>;
01113                                         dataTmp[m][pixelsCount + j*wtmp*4 + 4*k+3]= <a class="code" href="driver__opengl__extension__def_8h.html#a420">alpha</a>[4*j+k];
01114                                         bits&gt;&gt;=2;
01115                                 }
01116                         }
01117                 }
01118 
01119                 <font class="comment">// Copy result into the mipmap level.</font>
01120                 <font class="keywordflow">if</font>(wtmp==<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a> &amp;&amp; htmp==<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>)
01121                 {
01122                         <font class="comment">// For mipmaps level &gt;4 pixels.</font>
01123                         <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m]= dataTmp[m];
01124                 }
01125                 <font class="keywordflow">else</font>
01126                 {
01127                         <font class="comment">// For last mipmaps, level &lt;4 pixels.</font>
01128                         <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m].resize(<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>*<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>*4);
01129                         CRGBA   *<a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>= (CRGBA*)&amp;dataTmp[m][0];
01130                         CRGBA   *dst= (CRGBA*)&amp;<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m][0];
01131                         uint    <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>,<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>;
01132                         <font class="keywordflow">for</font>(<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>=0;<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>&lt;<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>;<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>++)
01133                         {
01134                                 <font class="keywordflow">for</font>(<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>=0;<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>&lt;<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>;<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>++)
01135                                         dst[<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>+<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>]= <a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>[<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*wtmp+<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>];
01136                         }
01137                 }
01138 
01139                 <font class="comment">// Next mipmap size.</font>
01140                 <a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a> = (<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>+1)/2;
01141                 <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a> = (<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>+1)/2;
01142         }
01143         <a class="code" href="classNLMISC_1_1CBitmap.html#m0">PixelFormat</a> = <a class="code" href="classNLMISC_1_1CBitmap.html#s11s0">RGBA</a>;
01144         <font class="keywordflow">return</font> <font class="keyword">true</font>;
01145 }
01146 
01147 
01148 
01149 
01150 <font class="comment">/*-------------------------------------------------------------------*\</font>
01151 <font class="comment">                                                        decompressDXT5</font>
01152 <font class="comment">\*-------------------------------------------------------------------*/</font>
<a name="l01153"></a><a class="code" href="classNLMISC_1_1CBitmap.html#c5">01153</a> <font class="keywordtype">bool</font> CBitmap::decompressDXT5()
01154 {
01155         uint32 i,j,k;
01156         <a class="code" href="classNLMISC_1_1CRGBA.html">NLMISC::CRGBA</a>   c[4];
01157         std::vector&lt;uint8&gt; dataTmp[<a class="code" href="namespaceNLMISC.html#a4">MAX_MIPMAP</a>];
01158         
01159         uint32 <a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>= <a class="code" href="classNLMISC_1_1CBitmap.html#n3">_Width</a>;
01160         uint32 <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>= <a class="code" href="classNLMISC_1_1CBitmap.html#n4">_Height</a>;
01161 
01162         <font class="keywordflow">for</font>(uint8 m= 0; m&lt;<a class="code" href="classNLMISC_1_1CBitmap.html#n1">_MipMapCount</a>; m++)
01163         {
01164                 uint32 wtmp, htmp;
01165                 <font class="keywordflow">if</font>(<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>&lt;4)
01166                         wtmp = 4;
01167                 <font class="keywordflow">else</font>
01168                         wtmp = <a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>;
01169                 <font class="keywordflow">if</font>(<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a> &lt; 4)
01170                         htmp = 4;
01171                 <font class="keywordflow">else</font>
01172                         htmp = <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>;
01173                 uint32 mipMapSz = wtmp*htmp*4;
01174                 dataTmp[m].resize(mipMapSz); 
01175                 <font class="keywordflow">if</font>(dataTmp[m].capacity()&lt;mipMapSz)
01176                 {
01177                         <font class="keywordflow">throw</font> EAllocationFailure();
01178                 }
01179                 uint32 wBlockCount= wtmp/4;
01180                 
01181 
01182 
01183                 <font class="keywordflow">for</font>(i=0; i &lt; <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m].size(); i+=16)
01184                 {
01185                         uint64 bitsAlpha;
01186                         memcpy(&amp;bitsAlpha,&amp;<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m][i],8);
01187                         bitsAlpha&gt;&gt;= 16;
01188 
01189                         uint32 <a class="code" href="driver__opengl__extension__def_8h.html#a420">alpha</a>[8];
01190                         <a class="code" href="driver__opengl__extension__def_8h.html#a420">alpha</a>[0]= <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m][i+0];
01191                         <a class="code" href="driver__opengl__extension__def_8h.html#a420">alpha</a>[1]= <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m][i+1];
01192                         
01193                         <font class="keywordflow">if</font>(<a class="code" href="driver__opengl__extension__def_8h.html#a420">alpha</a>[0]&gt;<a class="code" href="driver__opengl__extension__def_8h.html#a420">alpha</a>[1])
01194                         {
01195                                 <a class="code" href="driver__opengl__extension__def_8h.html#a420">alpha</a>[2]= <a class="code" href="classNLMISC_1_1CBitmap.html#c0">blend</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a420">alpha</a>[0], <a class="code" href="driver__opengl__extension__def_8h.html#a420">alpha</a>[1], 219);
01196                                 <a class="code" href="driver__opengl__extension__def_8h.html#a420">alpha</a>[3]= <a class="code" href="classNLMISC_1_1CBitmap.html#c0">blend</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a420">alpha</a>[0], <a class="code" href="driver__opengl__extension__def_8h.html#a420">alpha</a>[1], 183);
01197                                 <a class="code" href="driver__opengl__extension__def_8h.html#a420">alpha</a>[4]= <a class="code" href="classNLMISC_1_1CBitmap.html#c0">blend</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a420">alpha</a>[0], <a class="code" href="driver__opengl__extension__def_8h.html#a420">alpha</a>[1], 146);
01198                                 <a class="code" href="driver__opengl__extension__def_8h.html#a420">alpha</a>[5]= <a class="code" href="classNLMISC_1_1CBitmap.html#c0">blend</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a420">alpha</a>[0], <a class="code" href="driver__opengl__extension__def_8h.html#a420">alpha</a>[1], 110);
01199                                 <a class="code" href="driver__opengl__extension__def_8h.html#a420">alpha</a>[6]= <a class="code" href="classNLMISC_1_1CBitmap.html#c0">blend</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a420">alpha</a>[0], <a class="code" href="driver__opengl__extension__def_8h.html#a420">alpha</a>[1], 73);
01200                                 <a class="code" href="driver__opengl__extension__def_8h.html#a420">alpha</a>[7]= <a class="code" href="classNLMISC_1_1CBitmap.html#c0">blend</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a420">alpha</a>[0], <a class="code" href="driver__opengl__extension__def_8h.html#a420">alpha</a>[1], 37);
01201                         }
01202                         <font class="keywordflow">else</font>
01203                         {
01204                                 <a class="code" href="driver__opengl__extension__def_8h.html#a420">alpha</a>[2]= <a class="code" href="classNLMISC_1_1CBitmap.html#c0">blend</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a420">alpha</a>[0], <a class="code" href="driver__opengl__extension__def_8h.html#a420">alpha</a>[1], 204);
01205                                 <a class="code" href="driver__opengl__extension__def_8h.html#a420">alpha</a>[3]= <a class="code" href="classNLMISC_1_1CBitmap.html#c0">blend</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a420">alpha</a>[0], <a class="code" href="driver__opengl__extension__def_8h.html#a420">alpha</a>[1], 154);
01206                                 <a class="code" href="driver__opengl__extension__def_8h.html#a420">alpha</a>[4]= <a class="code" href="classNLMISC_1_1CBitmap.html#c0">blend</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a420">alpha</a>[0], <a class="code" href="driver__opengl__extension__def_8h.html#a420">alpha</a>[1], 102);
01207                                 <a class="code" href="driver__opengl__extension__def_8h.html#a420">alpha</a>[5]= <a class="code" href="classNLMISC_1_1CBitmap.html#c0">blend</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a420">alpha</a>[0], <a class="code" href="driver__opengl__extension__def_8h.html#a420">alpha</a>[1], 51);
01208                                 <a class="code" href="driver__opengl__extension__def_8h.html#a420">alpha</a>[6]= 0;
01209                                 <a class="code" href="driver__opengl__extension__def_8h.html#a420">alpha</a>[7]= 255;
01210                         }
01211 
01212                         uint8 codeAlpha[16];
01213                         <font class="keywordflow">for</font>(j=0; j&lt;16; j++)
01214                         {
01215                                 codeAlpha[j] = (uint8)bitsAlpha &amp; 7;
01216                                 bitsAlpha&gt;&gt;=3;
01217                         }
01218 
01219 
01220                         uint16 color0;
01221                         uint16 color1;
01222                         uint32 bits;
01223                         memcpy(&amp;color0,&amp;<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m][i+8],2);
01224                         memcpy(&amp;color1,&amp;<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m][i+10],2);
01225                         memcpy(&amp;bits,&amp;<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m][i+12],4);
01226 
01227                         <a class="code" href="classNLMISC_1_1CBitmap.html#f0">uncompress</a>(color0,c[0]);
01228                         <a class="code" href="classNLMISC_1_1CBitmap.html#f0">uncompress</a>(color1,c[1]);        
01229                         
01230                         <font class="comment">// ignore color0&gt;color1 for DXT3 and DXT5.</font>
01231                         c[2].<a class="code" href="classNLMISC_1_1CRGBA.html#a7">blendFromui</a>(c[0],c[1],85);
01232                         c[3].<a class="code" href="classNLMISC_1_1CRGBA.html#a7">blendFromui</a>(c[0],c[1],171);        
01233 
01234                         <font class="comment">// computing the 16 RGBA of the block</font>
01235                         
01236                         uint32 blockNum= i/16; <font class="comment">//(128 bits)</font>
01237 
01238                         <font class="comment">// &lt;previous blocks in above lines&gt; * 4 (rows) * wtmp (columns) + 4pix*&lt;same line previous blocks&gt;</font>
01239                         uint32 pixelsCount= (blockNum/wBlockCount)*wtmp*4 + 4*(blockNum%wBlockCount);
01240                         <font class="comment">// *sizeof(RGBA)</font>
01241                         pixelsCount*=4;
01242                         <font class="keywordflow">for</font>(j=0; j&lt;4; j++)
01243                         {
01244                                 <font class="keywordflow">for</font>(k=0; k&lt;4; k++)
01245                                 {
01246                                         dataTmp[m][pixelsCount + (j*wtmp+k)*4 +0]= c[bits&amp;3].<a class="code" href="classNLMISC_1_1CRGBA.html#m0">R</a>;
01247                                         dataTmp[m][pixelsCount + (j*wtmp+k)*4 +1]= c[bits&amp;3].<a class="code" href="classNLMISC_1_1CRGBA.html#m1">G</a>;
01248                                         dataTmp[m][pixelsCount + (j*wtmp+k)*4 +2]= c[bits&amp;3].<a class="code" href="classNLMISC_1_1CRGBA.html#m2">B</a>;
01249                                         dataTmp[m][pixelsCount + (j*wtmp+k)*4 +3]= (uint8) <a class="code" href="driver__opengl__extension__def_8h.html#a420">alpha</a>[codeAlpha[4*j+k]];
01250                                         bits&gt;&gt;=2;
01251                                 }
01252                         }
01253 
01254                 }
01255 
01256                 <font class="comment">// Copy result into the mipmap level.</font>
01257                 <font class="keywordflow">if</font>(wtmp==<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a> &amp;&amp; htmp==<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>)
01258                 {
01259                         <font class="comment">// For mipmaps level &gt;4 pixels.</font>
01260                         <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m]= dataTmp[m];
01261                 }
01262                 <font class="keywordflow">else</font>
01263                 {
01264                         <font class="comment">// For last mipmaps, level &lt;4 pixels.</font>
01265                         <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m].resize(<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>*<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>*4);
01266                         CRGBA   *<a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>= (CRGBA*)&amp;dataTmp[m][0];
01267                         CRGBA   *dst= (CRGBA*)&amp;<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[m][0];
01268                         uint    <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>,<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>;
01269                         <font class="keywordflow">for</font>(<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>=0;<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>&lt;<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>;<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>++)
01270                         {
01271                                 <font class="keywordflow">for</font>(<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>=0;<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>&lt;<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>;<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>++)
01272                                         dst[<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>+<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>]= <a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>[<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*wtmp+<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>];
01273                         }
01274                 }
01275 
01276                 <font class="comment">// Next mipmap size.</font>
01277                 <a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a> = (<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>+1)/2;
01278                 <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a> = (<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>+1)/2;
01279         }
01280         <a class="code" href="classNLMISC_1_1CBitmap.html#m0">PixelFormat</a> = <a class="code" href="classNLMISC_1_1CBitmap.html#s11s0">RGBA</a>;
01281         <font class="keywordflow">return</font> <font class="keyword">true</font>;
01282 
01283 }
01284 
01285 
01286 
01287 
01288 <font class="comment">/*-------------------------------------------------------------------*\</font>
01289 <font class="comment">                                                        blend</font>
01290 <font class="comment">\*-------------------------------------------------------------------*/</font>
<a name="l01291"></a><a class="code" href="classNLMISC_1_1CBitmap.html#c0">01291</a> uint32 CBitmap::blend(uint32 &amp;n0, uint32 &amp;n1, uint32 coef0) 
01292 {
01293         <font class="keywordtype">int</font>     a0 = coef0;
01294         <font class="keywordtype">int</font>     a1 = 256-a0;
01295         <font class="keywordflow">return</font> ((n0*a0 + n1*a1) &gt;&gt;8);
01296 }
01297 
01298 
01299 
01300 <font class="comment">/*-------------------------------------------------------------------*\</font>
01301 <font class="comment">                                                        uncompress</font>
01302 <font class="comment">\*-------------------------------------------------------------------*/</font>
<a name="l01303"></a><a class="code" href="classNLMISC_1_1CBitmap.html#f0">01303</a> <font class="keyword">inline</font> <font class="keywordtype">void</font> CBitmap::uncompress(uint16 color, <a class="code" href="classNLMISC_1_1CRGBA.html">NLMISC::CRGBA</a> &amp;<a class="code" href="driver__opengl__extension__def_8h.html#a385">r</a>)
01304 {
01305         r.<a class="code" href="classNLMISC_1_1CRGBA.html#m3">A</a>= 0;
01306         r.<a class="code" href="classNLMISC_1_1CRGBA.html#m0">R</a>= ((color&gt;&gt;11)&amp;31) &lt;&lt; 3; r.<a class="code" href="classNLMISC_1_1CRGBA.html#m0">R</a>+= r.<a class="code" href="classNLMISC_1_1CRGBA.html#m0">R</a>&gt;&gt;5;
01307         r.<a class="code" href="classNLMISC_1_1CRGBA.html#m1">G</a>= ((color&gt;&gt;5)&amp;63) &lt;&lt; 2;  r.<a class="code" href="classNLMISC_1_1CRGBA.html#m1">G</a>+= r.<a class="code" href="classNLMISC_1_1CRGBA.html#m1">G</a>&gt;&gt;6;
01308         r.<a class="code" href="classNLMISC_1_1CRGBA.html#m2">B</a>= ((color)&amp;31) &lt;&lt; 3;     r.<a class="code" href="classNLMISC_1_1CRGBA.html#m2">B</a>+= r.<a class="code" href="classNLMISC_1_1CRGBA.html#m2">B</a>&gt;&gt;5;
01309 }
01310 
01311 
01312 
01313 <font class="comment">/*-------------------------------------------------------------------*\</font>
01314 <font class="comment">                                                        getWidth</font>
01315 <font class="comment">\*-------------------------------------------------------------------*/</font>
<a name="l01316"></a><a class="code" href="classNLMISC_1_1CBitmap.html#a6">01316</a> uint32 CBitmap::getWidth(uint32 mipMap)<font class="keyword"> const</font>
01317 <font class="keyword"></font>{
01318         <font class="keywordflow">if</font>(mipMap==0) <font class="keywordflow">return</font> <a class="code" href="classNLMISC_1_1CBitmap.html#n3">_Width</a>;
01319         
01320         uint32 <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a> = <a class="code" href="classNLMISC_1_1CBitmap.html#n3">_Width</a>;
01321         uint32 h = <a class="code" href="classNLMISC_1_1CBitmap.html#n4">_Height</a>;
01322         uint32 m = 0;
01323         
01324         <font class="keywordflow">do</font>
01325         {
01326                 m++;
01327                 <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a> = (<a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>+1)/2;
01328                 h = (h+1)/2;
01329                 <font class="keywordflow">if</font>(m==mipMap) <font class="keywordflow">return</font> <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>;
01330         }
01331         <font class="keywordflow">while</font>(<a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>!=1 || h!=1);
01332 
01333         <font class="keywordflow">return</font> 0;
01334 }
01335 
01336 
01337 
01338 <font class="comment">/*-------------------------------------------------------------------*\</font>
01339 <font class="comment">                                                        getHeight</font>
01340 <font class="comment">\*-------------------------------------------------------------------*/</font>
<a name="l01341"></a><a class="code" href="classNLMISC_1_1CBitmap.html#a7">01341</a> uint32 CBitmap::getHeight(uint32 mipMap)<font class="keyword"> const</font>
01342 <font class="keyword"></font>{
01343         <font class="keywordflow">if</font>(mipMap==0) <font class="keywordflow">return</font> <a class="code" href="classNLMISC_1_1CBitmap.html#n4">_Height</a>;
01344         
01345         uint32 <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a> = <a class="code" href="classNLMISC_1_1CBitmap.html#n3">_Width</a>;
01346         uint32 h = <a class="code" href="classNLMISC_1_1CBitmap.html#n4">_Height</a>;
01347         uint32 m = 0;
01348 
01349         <font class="keywordflow">do</font>
01350         {
01351                 m++;
01352                 <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a> = (<a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>+1)/2;
01353                 h = (h+1)/2;
01354                 <font class="keywordflow">if</font>(m==mipMap) <font class="keywordflow">return</font> h;
01355         }
01356         <font class="keywordflow">while</font>(<a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>!=1 || h!=1);
01357 
01358         <font class="keywordflow">return</font> 0;
01359 }
01360 
01361 
01362 <font class="comment">/*-------------------------------------------------------------------*\</font>
01363 <font class="comment">                                                        getHeight</font>
01364 <font class="comment">\*-------------------------------------------------------------------*/</font>
<a name="l01365"></a><a class="code" href="classNLMISC_1_1CBitmap.html#a8">01365</a> uint32 CBitmap::getSize(uint32 numMipMap)<font class="keyword"> const</font>
01366 <font class="keyword"></font>{
01367         <font class="keywordflow">return</font> <a class="code" href="classNLMISC_1_1CBitmap.html#a7">getHeight</a>(numMipMap)*<a class="code" href="classNLMISC_1_1CBitmap.html#a6">getWidth</a>(numMipMap);
01368 }
01369 
01370 
01371 
01372 <font class="comment">/*-------------------------------------------------------------------*\</font>
01373 <font class="comment">                                                        buildMipMaps</font>
01374 <font class="comment">\*-------------------------------------------------------------------*/</font>
<a name="l01375"></a><a class="code" href="classNLMISC_1_1CBitmap.html#a11">01375</a> <font class="keywordtype">void</font> CBitmap::buildMipMaps()
01376 {
01377         uint32 i,j;
01378 
01379         <font class="keywordflow">if</font>(<a class="code" href="classNLMISC_1_1CBitmap.html#m0">PixelFormat</a>!=<a class="code" href="classNLMISC_1_1CBitmap.html#s11s0">RGBA</a>) <font class="keywordflow">return</font>;
01380         <font class="keywordflow">if</font>(<a class="code" href="classNLMISC_1_1CBitmap.html#n1">_MipMapCount</a>!=1) <font class="keywordflow">return</font>;
01381         <font class="keywordflow">if</font>(!<a class="code" href="namespaceNLMISC.html#a225">NLMISC::isPowerOf2</a>(<a class="code" href="classNLMISC_1_1CBitmap.html#n3">_Width</a>)) <font class="keywordflow">return</font>;
01382         <font class="keywordflow">if</font>(!<a class="code" href="namespaceNLMISC.html#a225">NLMISC::isPowerOf2</a>(<a class="code" href="classNLMISC_1_1CBitmap.html#n4">_Height</a>)) <font class="keywordflow">return</font>;
01383         
01384         uint32 <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a> = <a class="code" href="classNLMISC_1_1CBitmap.html#n3">_Width</a>;
01385         uint32 h = <a class="code" href="classNLMISC_1_1CBitmap.html#n4">_Height</a>;
01386 
01387         <font class="keywordflow">while</font>(<a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>&gt;1 || h&gt;1)
01388         {
01389                 uint32 precw = <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>;
01390                 uint32 prech = h;
01391                 <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a> = (<a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>+1)/2;
01392                 h = (h+1)/2;
01393                 uint32  mulw= precw/<a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>;
01394                 uint32  mulh= prech/h;
01395 
01396                 <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[<a class="code" href="classNLMISC_1_1CBitmap.html#n1">_MipMapCount</a>].resize(<a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>*h*4);
01397                 
01398         
01399                 <a class="code" href="classNLMISC_1_1CRGBA.html">NLMISC::CRGBA</a> *pRgba = (<a class="code" href="classNLMISC_1_1CRGBA.html">NLMISC::CRGBA</a>*)&amp;<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[<a class="code" href="classNLMISC_1_1CBitmap.html#n1">_MipMapCount</a>][0];
01400                 <a class="code" href="classNLMISC_1_1CRGBA.html">NLMISC::CRGBA</a> *pRgbaPrev = (<a class="code" href="classNLMISC_1_1CRGBA.html">NLMISC::CRGBA</a>*)&amp;<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[<a class="code" href="classNLMISC_1_1CBitmap.html#n1">_MipMapCount</a>-1][0];
01401                 <font class="keywordflow">for</font>(i=0; i&lt;h; i++)
01402                 {
01403                         sint    i0= mulh*i;
01404                         sint    i1= mulh*i+1;
01405                         <font class="keywordflow">if</font>(mulh==1)
01406                                 i1=i0;
01407                         i0*=precw;
01408                         i1*=precw;
01409                         <font class="keywordflow">for</font>(j=0; j&lt;<a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>; j++)
01410                         {
01411                                 sint    j0= mulw*j;
01412                                 sint    j1= mulw*j+1;
01413                                 <font class="keywordflow">if</font>(mulh==1)
01414                                         j1=j0;
01415                                 CRGBA   &amp;c0= pRgbaPrev[i0+j0];
01416                                 CRGBA   &amp;c1= pRgbaPrev[i0+j1];
01417                                 CRGBA   &amp;c2= pRgbaPrev[i1+j0];
01418                                 CRGBA   &amp;c3= pRgbaPrev[i1+j1];
01419                                 pRgba[i*<a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a> + j].R = (c0.R +
01420                                                                         c1.R +
01421                                                                         c2.R +
01422                                                                         c3.R + 2 ) /4;
01423                                 pRgba[i*<a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a> + j].G = (c0.G +
01424                                                                         c1.G +
01425                                                                         c2.G +
01426                                                                         c3.G + 2 ) /4;
01427                                 pRgba[i*<a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a> + j].B = (c0.B +
01428                                                                         c1.B +
01429                                                                         c2.B +
01430                                                                         c3.B + 2 ) /4;
01431                                 pRgba[i*<a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a> + j].A = (c0.A +
01432                                                                         c1.A +
01433                                                                         c2.A +
01434                                                                         c3.A + 2 ) /4;
01435                         }
01436                 }
01437 
01438                 <a class="code" href="classNLMISC_1_1CBitmap.html#n1">_MipMapCount</a>++;
01439         }
01440 }
01441 
01442 
01443 <font class="comment">/*-------------------------------------------------------------------*\</font>
01444 <font class="comment">                                                        releaseMipMaps</font>
01445 <font class="comment">\*-------------------------------------------------------------------*/</font>
<a name="l01446"></a><a class="code" href="classNLMISC_1_1CBitmap.html#a12">01446</a> <font class="keywordtype">void</font> CBitmap::releaseMipMaps()
01447 {
01448         <font class="keywordflow">if</font>(<a class="code" href="classNLMISC_1_1CBitmap.html#n1">_MipMapCount</a>&lt;=1) <font class="keywordflow">return</font>;
01449 
01450         <a class="code" href="classNLMISC_1_1CBitmap.html#n1">_MipMapCount</a>=1;
01451         <font class="keywordflow">for</font>(sint i=1;i&lt;<a class="code" href="namespaceNLMISC.html#a4">MAX_MIPMAP</a>;i++)
01452         {
01453                 <a class="code" href="namespaceNLMISC.html#a222">NLMISC::contReset</a>(<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[i]); 
01454         }
01455 }
01456 
01457 
01458 <font class="comment">/*-------------------------------------------------------------------*\</font>
01459 <font class="comment">                                                        resample</font>
01460 <font class="comment">\*-------------------------------------------------------------------*/</font>
<a name="l01461"></a><a class="code" href="classNLMISC_1_1CBitmap.html#a14">01461</a> <font class="keywordtype">void</font> CBitmap::resample(sint32 nNewWidth, sint32 nNewHeight)
01462 {
01463         <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="classNLMISC_1_1CBitmap.html#m0">PixelFormat</a> == <a class="code" href="classNLMISC_1_1CBitmap.html#s11s0">RGBA</a>);
01464         <font class="keywordtype">bool</font> needRebuild = <font class="keyword">false</font>;
01465 
01466         <font class="comment">// Deleting mipmaps</font>
01467         <font class="keywordflow">if</font>(<a class="code" href="classNLMISC_1_1CBitmap.html#n1">_MipMapCount</a>&gt;1)
01468                 needRebuild = <font class="keyword">true</font>;
01469         <a class="code" href="classNLMISC_1_1CBitmap.html#a12">releaseMipMaps</a>();
01470 
01471         <font class="keywordflow">if</font>(nNewWidth==0 || nNewHeight==0)
01472         {
01473                 <a class="code" href="classNLMISC_1_1CBitmap.html#n3">_Width</a> = <a class="code" href="classNLMISC_1_1CBitmap.html#n4">_Height</a> = 0;
01474                 <font class="keywordflow">return</font>;
01475         }
01476         
01477         std::vector&lt;uint8&gt; pDestui;
01478         pDestui.resize(nNewWidth*nNewHeight*4);
01479         <a class="code" href="classNLMISC_1_1CRGBA.html">NLMISC::CRGBA</a> *pDestRgba = (<a class="code" href="classNLMISC_1_1CRGBA.html">NLMISC::CRGBA</a>*)&amp;pDestui[0];
01480 
01481         <a class="code" href="classNLMISC_1_1CBitmap.html#c6">resamplePicture32</a> ((<a class="code" href="classNLMISC_1_1CRGBA.html">NLMISC::CRGBA</a>*)&amp;<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[0][0], pDestRgba, <a class="code" href="classNLMISC_1_1CBitmap.html#n3">_Width</a>, <a class="code" href="classNLMISC_1_1CBitmap.html#n4">_Height</a>, nNewWidth, nNewHeight);
01482         <a class="code" href="namespaceNLMISC.html#a222">NLMISC::contReset</a>(_Data[0]); <font class="comment">// free memory</font>
01483         _Data[0] =  pDestui;
01484         <a class="code" href="classNLMISC_1_1CBitmap.html#n3">_Width</a>= nNewWidth;
01485         <a class="code" href="classNLMISC_1_1CBitmap.html#n4">_Height</a>= nNewHeight;
01486 
01487         <font class="comment">// Rebuilding mipmaps</font>
01488         <font class="keywordflow">if</font>(needRebuild)
01489         {
01490                 <a class="code" href="classNLMISC_1_1CBitmap.html#a11">buildMipMaps</a>();
01491         }
01492 }
01493 
01494 
01495 <font class="comment">/*-------------------------------------------------------------------*\</font>
01496 <font class="comment">                                                        resize</font>
01497 <font class="comment">\*-------------------------------------------------------------------*/</font>
<a name="l01498"></a><a class="code" href="classNLMISC_1_1CBitmap.html#a15">01498</a> <font class="keywordtype">void</font> CBitmap::resize (sint32 nNewWidth, sint32 nNewHeight, TType newType)
01499 {
01500         <font class="comment">// Deleting mipmaps</font>
01501         <a class="code" href="classNLMISC_1_1CBitmap.html#a12">releaseMipMaps</a>();
01502 
01503         <font class="comment">// Change type of bitmap ?</font>
01504         <font class="keywordflow">if</font> (newType!=<a class="code" href="classNLMISC_1_1CBitmap.html#s11s10">DonTKnow</a>)
01505                 <a class="code" href="classNLMISC_1_1CBitmap.html#m0">PixelFormat</a>=newType;
01506 
01507         <a class="code" href="classNLMISC_1_1CBitmap.html#n3">_Width</a> = nNewWidth;
01508         <a class="code" href="classNLMISC_1_1CBitmap.html#n4">_Height</a> = nNewHeight;
01509 
01510         <font class="comment">// resize the level 0 only.</font>
01511         <a class="code" href="classNLMISC_1_1CBitmap.html#a16">resizeMipMap</a>(0, nNewWidth, nNewHeight);
01512 }
01513 
01514 
01515 <font class="comment">/*-------------------------------------------------------------------*\</font>
01516 <font class="comment">                                                        resizeMipMap</font>
01517 <font class="comment">\*-------------------------------------------------------------------*/</font>
<a name="l01518"></a><a class="code" href="classNLMISC_1_1CBitmap.html#a16">01518</a> <font class="keywordtype">void</font> CBitmap::resizeMipMap (uint32 numMipMap, sint32 nNewWidth, sint32 nNewHeight)
01519 {
01520         <a class="code" href="debug_8h.html#a6">nlassert</a>(numMipMap&lt;<a class="code" href="namespaceNLMISC.html#a4">MAX_MIPMAP</a>);
01521 
01522         <font class="comment">// free memory</font>
01523         <a class="code" href="namespaceNLMISC.html#a222">NLMISC::contReset</a>(<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[numMipMap]);
01524 
01525         <font class="comment">// DXTC compressed??</font>
01526         <font class="keywordtype">bool</font>    isDXTC= <a class="code" href="classNLMISC_1_1CBitmap.html#m0">PixelFormat</a>==<a class="code" href="classNLMISC_1_1CBitmap.html#s11s4">DXTC1</a> || <a class="code" href="classNLMISC_1_1CBitmap.html#m0">PixelFormat</a>==<a class="code" href="classNLMISC_1_1CBitmap.html#s11s5">DXTC1Alpha</a> || <a class="code" href="classNLMISC_1_1CBitmap.html#m0">PixelFormat</a>==<a class="code" href="classNLMISC_1_1CBitmap.html#s11s6">DXTC3</a> || <a class="code" href="classNLMISC_1_1CBitmap.html#m0">PixelFormat</a>==<a class="code" href="classNLMISC_1_1CBitmap.html#s11s7">DXTC5</a>;
01527         <font class="comment">// if yes, must round up width and height to 4, for allocation</font>
01528         nNewWidth= 4*((nNewWidth+3)/4);
01529         nNewHeight= 4*((nNewHeight+3)/4);
01530 
01531         <font class="comment">// resize the buffer</font>
01532         <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[numMipMap].resize (((uint32)(nNewWidth*nNewHeight)*<a class="code" href="classNLMISC_1_1CBitmap.html#p0">bitPerPixels</a>[<a class="code" href="classNLMISC_1_1CBitmap.html#m0">PixelFormat</a>])/8);
01533 }
01534 
01535 
01536 <font class="comment">/*-------------------------------------------------------------------*\</font>
01537 <font class="comment">                                                        reset</font>
01538 <font class="comment">\*-------------------------------------------------------------------*/</font>
<a name="l01539"></a><a class="code" href="classNLMISC_1_1CBitmap.html#a17">01539</a> <font class="keywordtype">void</font> CBitmap::setMipMapCount(uint32 mmc)
01540 {
01541         <a class="code" href="classNLMISC_1_1CBitmap.html#n1">_MipMapCount</a>= <a class="code" href="memory__common_8h.html#a7">uint8</a>(mmc);
01542 }
01543 
01544 
01545 <font class="comment">/*-------------------------------------------------------------------*\</font>
01546 <font class="comment">                                                        reset</font>
01547 <font class="comment">\*-------------------------------------------------------------------*/</font>
<a name="l01548"></a><a class="code" href="classNLMISC_1_1CBitmap.html#a13">01548</a> <font class="keywordtype">void</font> CBitmap::reset(TType <a class="code" href="driver__opengl__extension__def_8h.html#a373">type</a>)
01549 {
01550         <font class="keywordflow">for</font>(uint i=0; i&lt;<a class="code" href="classNLMISC_1_1CBitmap.html#n1">_MipMapCount</a>; i++)
01551         {
01552                 <a class="code" href="namespaceNLMISC.html#a222">NLMISC::contReset</a>(<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[i]);
01553                 <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[i].resize(0);
01554         }
01555         <a class="code" href="classNLMISC_1_1CBitmap.html#n3">_Width</a> = <a class="code" href="classNLMISC_1_1CBitmap.html#n4">_Height</a> = 0;
01556         <a class="code" href="classNLMISC_1_1CBitmap.html#n1">_MipMapCount</a>= 1;
01557         
01558         <font class="comment">// Change pixel format</font>
01559         <a class="code" href="classNLMISC_1_1CBitmap.html#m0">PixelFormat</a>=<a class="code" href="driver__opengl__extension__def_8h.html#a373">type</a>;
01560 }
01561 
01562 
01563 
01564 <font class="comment">/*-------------------------------------------------------------------*\</font>
01565 <font class="comment">                                                        resamplePicture32</font>
01566 <font class="comment">\*-------------------------------------------------------------------*/</font>
<a name="l01567"></a><a class="code" href="classNLMISC_1_1CBitmap.html#c6">01567</a> <font class="keywordtype">void</font> CBitmap::resamplePicture32 (<font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CRGBA.html">NLMISC::CRGBA</a> *pSrc, <a class="code" href="classNLMISC_1_1CRGBA.html">NLMISC::CRGBA</a> *pDest, 
01568                                                                  sint32 nSrcWidth, sint32 nSrcHeight, 
01569                                                                  sint32 nDestWidth, sint32 nDestHeight)
01570 {
01571         <font class="keywordflow">if</font> ((nSrcWidth&lt;=0)||(nSrcHeight&lt;=0)||(nDestHeight&lt;=0)||(nDestHeight&lt;=0))
01572                 <font class="keywordflow">return</font>;
01573         <font class="keywordtype">bool</font> bXMag=(nDestWidth&gt;=nSrcWidth);
01574         <font class="keywordtype">bool</font> bYMag=(nDestHeight&gt;=nSrcHeight);
01575         <font class="keywordtype">bool</font> bXEq=(nDestWidth==nSrcWidth);
01576         <font class="keywordtype">bool</font> bYEq=(nDestHeight==nSrcHeight);
01577         std::vector&lt;NLMISC::CRGBAF&gt; pIterm (nDestWidth*nSrcHeight);
01578         
01579         <font class="keywordflow">if</font> (bXMag)
01580         {
01581                 <font class="keywordtype">float</font> fXdelta=(float)(nSrcWidth)/(float)(nDestWidth);
01582                 <a class="code" href="classNLMISC_1_1CRGBAF.html">NLMISC::CRGBAF</a> *pItermPtr=&amp;*pIterm.begin();
01583                 sint32 nY;
01584                 <font class="keywordflow">for</font> (nY=0; nY&lt;nSrcHeight; nY++)
01585                 {
01586                         <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CRGBA.html">NLMISC::CRGBA</a> *pSrcLine=pSrc;
01587                         <font class="keywordtype">float</font> fX=0.f;
01588                         sint32 nX;
01589                         <font class="keywordflow">for</font> (nX=0; nX&lt;nDestWidth; nX++)
01590                         {
01591                                 <font class="keywordtype">float</font> fVirgule=fX-(float)floor(fX);
01592                                 <a class="code" href="debug_8h.html#a6">nlassert</a> (fVirgule&gt;=0.f);
01593                                 <a class="code" href="classNLMISC_1_1CRGBAF.html">NLMISC::CRGBAF</a> vColor;
01594                                 <font class="keywordflow">if</font> (fVirgule&gt;=0.5f)
01595                                 {
01596                                         <font class="keywordflow">if</font> (fX&lt;(float)(nSrcWidth-1))
01597                                         {
01598                                                 <a class="code" href="classNLMISC_1_1CRGBAF.html">NLMISC::CRGBAF</a> vColor1 (pSrcLine[(sint32)floor(fX)]);
01599                                                 <a class="code" href="classNLMISC_1_1CRGBAF.html">NLMISC::CRGBAF</a> vColor2 (pSrcLine[(sint32)floor(fX)+1]);
01600                                                 vColor=vColor1*(1.5f-fVirgule)+vColor2*(fVirgule-0.5f);
01601                                         }
01602                                         <font class="keywordflow">else</font>
01603                                                 vColor=<a class="code" href="classNLMISC_1_1CRGBAF.html">NLMISC::CRGBAF</a> (pSrcLine[(sint32)floor(fX)]);
01604                                 }
01605                                 <font class="keywordflow">else</font>
01606                                 {
01607                                         <font class="keywordflow">if</font> (fX&gt;=1.f)
01608                                         {
01609                                                 <a class="code" href="classNLMISC_1_1CRGBAF.html">NLMISC::CRGBAF</a> vColor1 (pSrcLine[(sint32)floor(fX)]);
01610                                                 <a class="code" href="classNLMISC_1_1CRGBAF.html">NLMISC::CRGBAF</a> vColor2 (pSrcLine[(sint32)floor(fX)-1]);
01611                                                 vColor=vColor1*(0.5f+fVirgule)+vColor2*(0.5f-fVirgule);
01612                                         }
01613                                         <font class="keywordflow">else</font>
01614                                                 vColor=<a class="code" href="classNLMISC_1_1CRGBAF.html">NLMISC::CRGBAF</a> (pSrcLine[(sint32)floor(fX)]);
01615                                 }
01616                                 *(pItermPtr++)=vColor;
01617                                 fX+=fXdelta;
01618                         }
01619                         pSrc+=nSrcWidth;
01620                 }
01621         }
01622         <font class="keywordflow">else</font> <font class="keywordflow">if</font> (bXEq)
01623         {
01624                 <a class="code" href="classNLMISC_1_1CRGBAF.html">NLMISC::CRGBAF</a> *pItermPtr=&amp;*pIterm.begin();
01625                 <font class="keywordflow">for</font> (sint32 nY=0; nY&lt;nSrcHeight; nY++)
01626                 {
01627                         <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CRGBA.html">NLMISC::CRGBA</a> *pSrcLine=pSrc;
01628                         sint32 nX;
01629                         <font class="keywordflow">for</font> (nX=0; nX&lt;nDestWidth; nX++)
01630                                 *(pItermPtr++)=<a class="code" href="classNLMISC_1_1CRGBAF.html">NLMISC::CRGBAF</a> (pSrcLine[nX]);
01631                         pSrc+=nSrcWidth;
01632                 }
01633         }
01634         <font class="keywordflow">else</font>
01635         {
01636                 <font class="keywordtype">double</font> fXdelta=(double)(nSrcWidth)/(double)(nDestWidth);
01637                 <a class="code" href="debug_8h.html#a6">nlassert</a> (fXdelta&gt;1.f);
01638                 <a class="code" href="classNLMISC_1_1CRGBAF.html">NLMISC::CRGBAF</a> *pItermPtr=&amp;*pIterm.begin();
01639                 sint32 nY;
01640                 <font class="keywordflow">for</font> (nY=0; nY&lt;nSrcHeight; nY++)
01641                 {
01642                         <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CRGBA.html">NLMISC::CRGBA</a> *pSrcLine=pSrc;
01643                         <font class="keywordtype">double</font> fX=0.f;
01644                         sint32 nX;
01645                         <font class="keywordflow">for</font> (nX=0; nX&lt;nDestWidth; nX++)
01646                         {
01647                                 <a class="code" href="classNLMISC_1_1CRGBAF.html">NLMISC::CRGBAF</a> vColor (0.f, 0.f, 0.f, 0.f);
01648                                 <font class="keywordtype">double</font> fFinal=fX+fXdelta;
01649                                 <font class="keywordflow">while</font> (fX&lt;fFinal)
01650                                 {
01651                                         <font class="keywordtype">double</font> fNext=(double)floor (fX)+1.f;
01652                                         <font class="keywordflow">if</font> (fNext&gt;fFinal)
01653                                                 fNext=fFinal;
01654                                         vColor+=((float)(fNext-fX))*<a class="code" href="classNLMISC_1_1CRGBAF.html">NLMISC::CRGBAF</a> (pSrcLine[(sint32)floor(fX)]);
01655                                         fX=fNext;
01656                                 }
01657                                 <a class="code" href="debug_8h.html#a6">nlassert</a> (fX==fFinal);
01658                                 vColor/=(float)fXdelta;
01659                                 *(pItermPtr++)=vColor;
01660                         }
01661                         pSrc+=nSrcWidth;
01662                 }
01663         }
01664                                 
01665         <font class="keywordflow">if</font> (bYMag)
01666         {
01667                 <font class="keywordtype">double</font> fYdelta=(double)(nSrcHeight)/(double)(nDestHeight);
01668                 sint32 nX;
01669                 <font class="keywordflow">for</font> (nX=0; nX&lt;nDestWidth; nX++)
01670                 {
01671                         <font class="keywordtype">double</font> fY=0.f;
01672                         sint32 nY;
01673                         <font class="keywordflow">for</font> (nY=0; nY&lt;nDestHeight; nY++)
01674                         {
01675                                 <font class="keywordtype">double</font> fVirgule=fY-(double)floor(fY);
01676                                 <a class="code" href="debug_8h.html#a6">nlassert</a> (fVirgule&gt;=0.f);
01677                                 <a class="code" href="classNLMISC_1_1CRGBAF.html">NLMISC::CRGBAF</a> vColor;
01678                                 <font class="keywordflow">if</font> (fVirgule&gt;=0.5f)
01679                                 {
01680                                         <font class="keywordflow">if</font> (fY&lt;(double)(nSrcHeight-1))
01681                                         {
01682                                                 <a class="code" href="classNLMISC_1_1CRGBAF.html">NLMISC::CRGBAF</a> vColor1=pIterm[((sint32)floor(fY))*nDestWidth+nX];
01683                                                 <a class="code" href="classNLMISC_1_1CRGBAF.html">NLMISC::CRGBAF</a> vColor2=pIterm[(((sint32)floor(fY))+1)*nDestWidth+nX];
01684                                                 vColor=vColor1*(1.5f-(float)fVirgule)+vColor2*((float)fVirgule-0.5f);
01685                                         }
01686                                         <font class="keywordflow">else</font>
01687                                                 vColor=pIterm[((sint32)floor(fY))*nDestWidth+nX];
01688                                 }
01689                                 <font class="keywordflow">else</font>
01690                                 {
01691                                         <font class="keywordflow">if</font> (fY&gt;=1.f)
01692                                         {
01693                                                 <a class="code" href="classNLMISC_1_1CRGBAF.html">NLMISC::CRGBAF</a> vColor1=pIterm[((sint32)floor(fY))*nDestWidth+nX];
01694                                                 <a class="code" href="classNLMISC_1_1CRGBAF.html">NLMISC::CRGBAF</a> vColor2=pIterm[(((sint32)floor(fY))-1)*nDestWidth+nX];
01695                                                 vColor=vColor1*(0.5f+(float)fVirgule)+vColor2*(0.5f-(float)fVirgule);
01696                                         }
01697                                         <font class="keywordflow">else</font>
01698                                                 vColor=pIterm[((sint32)floor(fY))*nDestWidth+nX];
01699                                 }
01700                                 pDest[nX+nY*nDestWidth]=vColor;
01701                                 fY+=fYdelta;
01702                         }
01703                 }
01704         }
01705         <font class="keywordflow">else</font> <font class="keywordflow">if</font> (bYEq)
01706         {
01707                 <font class="keywordflow">for</font> (sint32 nX=0; nX&lt;nDestWidth; nX++)
01708                 {
01709                         sint32 nY;
01710                         <font class="keywordflow">for</font> (nY=0; nY&lt;nDestHeight; nY++)
01711                         {
01712                                 pDest[nX+nY*nDestWidth]=pIterm[nY*nDestWidth+nX];
01713                         }
01714                 }
01715         }
01716         <font class="keywordflow">else</font>
01717         {
01718                 <font class="keywordtype">double</font> fYdelta=(double)(nSrcHeight)/(double)(nDestHeight);
01719                 <a class="code" href="debug_8h.html#a6">nlassert</a> (fYdelta&gt;1.f);
01720                 sint32 nX;
01721                 <font class="keywordflow">for</font> (nX=0; nX&lt;nDestWidth; nX++)
01722                 {
01723                         <font class="keywordtype">double</font> fY=0.f;
01724                         sint32 nY;
01725                         <font class="keywordflow">for</font> (nY=0; nY&lt;nDestHeight; nY++)
01726                         {
01727                                 <a class="code" href="classNLMISC_1_1CRGBAF.html">NLMISC::CRGBAF</a> vColor (0.f, 0.f, 0.f, 0.f);
01728                                 <font class="keywordtype">double</font> fFinal=fY+fYdelta;
01729                                 <font class="keywordflow">while</font> ((fY&lt;fFinal)&amp;&amp;((sint32)fY!=nSrcHeight))
01730                                 {
01731                                         <font class="keywordtype">double</font> fNext=(double)floor (fY)+1.f;
01732                                         <font class="keywordflow">if</font> (fNext&gt;fFinal)
01733                                                 fNext=fFinal;
01734                                         vColor+=((float)(fNext-fY))*pIterm[((sint32)floor(fY))*nDestWidth+nX];
01735                                         fY=fNext;
01736                                 }
01737                                 vColor/=(float)fYdelta;
01738                                 pDest[nX+nY*nDestWidth]=vColor;
01739                         }
01740                 }
01741         }
01742 }
01743 
01744 
01745 
01746 <font class="comment">/*-------------------------------------------------------------------*\</font>
01747 <font class="comment">                                                        readTGA</font>
01748 <font class="comment">\*-------------------------------------------------------------------*/</font>
<a name="l01749"></a><a class="code" href="classNLMISC_1_1CBitmap.html#c2">01749</a> uint8 CBitmap::readTGA( <a class="code" href="classNLMISC_1_1IStream.html">NLMISC::IStream</a> &amp;f)
01750 {
01751         <font class="keywordflow">if</font>(!f.<a class="code" href="classNLMISC_1_1IStream.html#a4">isReading</a>()) <font class="keywordflow">return</font> 0;
01752 
01753         uint32                  size;
01754         uint32                  <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>,<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>;
01755         sint32                  slsize;
01756         uint8                   *scanline;
01757         uint8                   <a class="code" href="driver__opengl__extension__def_8h.html#a385">r</a>,g,b;
01758         sint32                  i,j,k;
01759 
01760         <font class="comment">// TGA file header fields</font>
01761         uint8   lengthID;
01762         uint8   cMapType;
01763         uint8   imageType;
01764         uint16  origin;
01765         uint16  length;
01766         uint8   <a class="code" href="driver__opengl__extension__def_8h.html#a391">depth</a>;
01767         uint16  xOrg;
01768         uint16  yOrg;
01769         uint16  <a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>;
01770         uint16  <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>;
01771         uint8   imageDepth;
01772         uint8   desc;
01773 
01774         <font class="comment">// Image/Color map data</font>
01775         uint8 *imageID;
01776         
01777         
01778         
01779         <font class="comment">// Determining whether file is in Original or New TGA format</font>
01780         
01781         <font class="keywordtype">bool</font> newTgaFormat;
01782         uint32 extAreaOffset;
01783         uint32 devDirectoryOffset;
01784         <font class="keywordtype">char</font> signature[16];
01785 
01786         f.<a class="code" href="classNLMISC_1_1IStream.html#a31">seek</a> (0, f.<a class="code" href="classNLMISC_1_1IStream.html#s3s2">end</a>);
01787         newTgaFormat = <font class="keyword">false</font>;
01788         <font class="keywordflow">if</font> (f.<a class="code" href="classNLMISC_1_1IStream.html#a32">getPos</a>() &gt;= 26)
01789         {
01790                 f.<a class="code" href="classNLMISC_1_1IStream.html#a31">seek</a> (-26, f.<a class="code" href="classNLMISC_1_1IStream.html#s3s2">end</a>);
01791                 f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(extAreaOffset);
01792                 f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(devDirectoryOffset);
01793                 <font class="keywordflow">for</font>(i=0; i&lt;16; i++)
01794                 {
01795                         f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(signature[i]);
01796                 }
01797                 <font class="keywordflow">if</font>(strncmp(signature,<font class="stringliteral">"TRUEVISION-XFILE"</font>,16)==0)
01798                         newTgaFormat = <font class="keyword">true</font>;
01799         }
01800 
01801 
01802 
01803         <font class="comment">// Reading TGA file header</font>
01804         f.<a class="code" href="classNLMISC_1_1IStream.html#a31">seek</a> (0, f.<a class="code" href="classNLMISC_1_1IStream.html#s3s0">begin</a>);
01805                 
01806         f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(lengthID);
01807         f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(cMapType);
01808         f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(imageType);
01809         f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(origin);
01810         f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(length);
01811         f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a391">depth</a>);
01812         f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(xOrg);
01813         f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(yOrg);
01814         f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>);
01815         f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>);
01816         f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(imageDepth);
01817         f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(desc);
01818 
01819         <font class="keywordflow">if</font>(cMapType!=0)
01820         {
01821                 <a class="code" href="debug_8h.html#a1">nlinfo</a>(<font class="stringliteral">"readTga : color-map not supported"</font>);
01822         }
01823 
01824         <font class="keywordflow">if</font>(lengthID&gt;0)
01825         {
01826                 imageID = <font class="keyword">new</font> uint8[lengthID];
01827                 <font class="keywordflow">for</font>(i=0; i&lt;lengthID; i++)
01828                         f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(imageID[i]);
01829         }
01830 
01831 
01832 
01833         <font class="comment">// Reading TGA image data</font>
01834         
01835         <a class="code" href="classNLMISC_1_1CBitmap.html#n3">_Width</a> = <a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>;
01836         <a class="code" href="classNLMISC_1_1CBitmap.html#n4">_Height</a> = <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>;
01837         size = <a class="code" href="classNLMISC_1_1CBitmap.html#n3">_Width</a> * <a class="code" href="classNLMISC_1_1CBitmap.html#n4">_Height</a> * (imageDepth/8);
01838         
01839         <font class="keywordflow">switch</font>(imageType)
01840         {
01841                 <font class="comment">// Uncompressed RGB or RGBA</font>
01842                 <font class="keywordflow">case</font> 2:
01843                 {
01844                         <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[0].resize(<a class="code" href="classNLMISC_1_1CBitmap.html#n3">_Width</a>*<a class="code" href="classNLMISC_1_1CBitmap.html#n4">_Height</a>*4);
01845                         uint8 upSideDown = ((desc &amp; (1 &lt;&lt; 5))==0);
01846                         slsize = <a class="code" href="classNLMISC_1_1CBitmap.html#n3">_Width</a> * imageDepth / 8;
01847 
01848                         scanline = <font class="keyword">new</font> uint8[slsize];
01849                         <font class="keywordflow">if</font>(!scanline)
01850                         {
01851                                 <font class="keywordflow">throw</font> EAllocationFailure();
01852                         }
01853 
01854                         <font class="keywordflow">for</font>(<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>=0; <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>&lt;<a class="code" href="classNLMISC_1_1CBitmap.html#n4">_Height</a>;<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>++)
01855                         {
01856                                 <font class="comment">// Serial buffer: more efficient way to load.</font>
01857                                 f.<a class="code" href="classNLMISC_1_1IStream.html#z327_0">serialBuffer</a> (scanline, slsize);
01858 
01859                                 <font class="keywordflow">if</font>(imageDepth==24 || imageDepth==32)
01860                                 {
01861                                         sint32 mult = 3;
01862                                         <font class="keywordflow">if</font>(imageDepth==16)
01863                                         {
01864                                                 mult = 2;
01865                                         }
01866                                         <font class="keywordflow">if</font>(imageDepth==32)  
01867                                         {
01868                                                 mult = 4;
01869                                         }
01870                                         <font class="keywordflow">if</font>(imageDepth!=16)
01871                                         {
01872                                                 <font class="keywordflow">for</font>(<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>=0; <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>&lt;<a class="code" href="classNLMISC_1_1CBitmap.html#n3">_Width</a>; <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>++)
01873                                                 {
01874                                                         <font class="comment">// RGB(A)</font>
01875                                                         <a class="code" href="driver__opengl__extension__def_8h.html#a385">r</a> = scanline[<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>*mult+0];
01876                                                         g = scanline[<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>*mult+1];
01877                                                         b = scanline[<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>*mult+2];
01878                                                         <font class="comment">// Switching to BGR(A)</font>
01879                                                         scanline[<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>*mult+0] = b;
01880                                                         scanline[<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>*mult+1] = g;
01881                                                         scanline[<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>*mult+2] = <a class="code" href="driver__opengl__extension__def_8h.html#a385">r</a>;
01882                                                 }
01883                                         }
01884                                 }
01885                                 
01886                                 k=0;
01887                                 <font class="keywordflow">for</font>(i=0; i&lt;<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>; i++) 
01888                                 {
01889                                         <font class="keywordflow">if</font>(upSideDown)
01890                                         {
01891                                                 <font class="keywordflow">if</font>(imageDepth==16)
01892                                                 {
01893                                                         uint16 <a class="code" href="namespaceNLMISC.html#a294">toto</a> = (uint16)scanline[k++];
01894                                                         <a class="code" href="namespaceNLMISC.html#a294">toto</a> |= scanline[k++]&lt;&lt;8;
01895                                                         uint <a class="code" href="driver__opengl__extension__def_8h.html#a385">r</a> = <a class="code" href="namespaceNLMISC.html#a294">toto</a>&gt;&gt;10;
01896                                                         uint g = (<a class="code" href="namespaceNLMISC.html#a294">toto</a>&gt;&gt;5)&amp;0x1f;
01897                                                         uint b = <a class="code" href="namespaceNLMISC.html#a294">toto</a>&amp;0x1f;
01898                                                         <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[0][(<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>-<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>-1)*<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>*4 + 4*i] = (r&lt;&lt;3) | (r&gt;&gt;2);
01899                                                         <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[0][(<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>-<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>-1)*<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>*4 + 4*i + 1] = (g&lt;&lt;3) | (g&gt;&gt;2);
01900                                                         <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[0][(<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>-<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>-1)*<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>*4 + 4*i + 2] = (b&lt;&lt;3) | (b&gt;&gt;2);
01901                                                         <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[0][(<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>-<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>-1)*<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>*4 + 4*i + 3] = 255;
01902                                                 }
01903                                                 <font class="keywordflow">else</font>
01904                                                 {
01905                                                         <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[0][(<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>-<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>-1)*<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>*4 + 4*i] = scanline[k++];
01906                                                         <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[0][(<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>-<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>-1)*<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>*4 + 4*i + 1] = scanline[k++];
01907                                                         <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[0][(<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>-<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>-1)*<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>*4 + 4*i + 2] = scanline[k++];
01908                                                         <font class="keywordflow">if</font>(imageDepth==32)
01909                                                                 <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[0][(<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>-<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>-1)*<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>*4 + 4*i + 3] = scanline[k++];
01910                                                         <font class="keywordflow">else</font>
01911                                                                 <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[0][(<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>-<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>-1)*<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>*4 + 4*i + 3] = 255;
01912                                                 }
01913                                         }
01914                                         <font class="keywordflow">else</font>
01915                                         {
01916                                                 <font class="keywordflow">if</font>(imageDepth==16)
01917                                                 {
01918                                                         uint16 <a class="code" href="namespaceNLMISC.html#a294">toto</a> = (uint16)scanline[k++];
01919                                                         <a class="code" href="namespaceNLMISC.html#a294">toto</a> |= scanline[k++]&lt;&lt;8;
01920                                                         <font class="keywordtype">int</font> <a class="code" href="driver__opengl__extension__def_8h.html#a385">r</a> = <a class="code" href="namespaceNLMISC.html#a294">toto</a>&gt;&gt;10;
01921                                                         <font class="keywordtype">int</font> g = <a class="code" href="namespaceNLMISC.html#a294">toto</a>&amp;(0x3e0)&gt;&gt;5;
01922                                                         <font class="keywordtype">int</font> b = <a class="code" href="namespaceNLMISC.html#a294">toto</a>&amp;0x1f;
01923                                                         <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[0][<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>*4 + 4*i] = (r&lt;&lt;3) | (r&gt;&gt;2);
01924                                                         <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[0][<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>*4 + 4*i + 1] = (g&lt;&lt;3) | (g&gt;&gt;2);
01925                                                         <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[0][<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>*4 + 4*i + 2] = (b&lt;&lt;3) | (b&gt;&gt;2);
01926                                                         <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[0][<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>*4 + 4*i + 3] = 255;
01927                                                 }
01928                                                 <font class="keywordflow">else</font>
01929                                                 {
01930                                                         <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[0][<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>*4 + 4*i] = scanline[k++];
01931                                                         <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[0][<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>*4 + 4*i + 1] = scanline[k++];
01932                                                         <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[0][<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>*4 + 4*i + 2] = scanline[k++];
01933                                                         <font class="keywordflow">if</font>(imageDepth==32)
01934                                                                 <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[0][<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>*4 + 4*i + 3] = scanline[k++];
01935                                                         <font class="keywordflow">else</font>
01936                                                                 <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[0][<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>*4 + 4*i + 3] = 255;
01937                                                 }
01938                                         }       
01939                                 }
01940                         }
01941 
01942                         <a class="code" href="classNLMISC_1_1CBitmap.html#m0">PixelFormat</a> = <a class="code" href="classNLMISC_1_1CBitmap.html#s11s0">RGBA</a>;
01943                         <font class="keyword">delete</font> scanline;
01944                 };
01945                 <font class="keywordflow">break</font>;
01946                 
01947                 <font class="comment">// Uncompressed Grayscale bitmap</font>
01948                 <font class="keywordflow">case</font> 3:
01949                 {
01950                         <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[0].resize(<a class="code" href="classNLMISC_1_1CBitmap.html#n3">_Width</a>*<a class="code" href="classNLMISC_1_1CBitmap.html#n4">_Height</a>);
01951                         uint8 upSideDown = ((desc &amp; (1 &lt;&lt; 5))==0);
01952                         slsize = <a class="code" href="classNLMISC_1_1CBitmap.html#n3">_Width</a>;
01953 
01954                         scanline = <font class="keyword">new</font> uint8[slsize];
01955                         <font class="keywordflow">if</font>(!scanline)
01956                         {
01957                                 <font class="keywordflow">throw</font> EAllocationFailure();
01958                         }
01959 
01960                         <font class="keywordflow">for</font>(<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>=0; <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>&lt;<a class="code" href="classNLMISC_1_1CBitmap.html#n4">_Height</a>;<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>++)
01961                         {
01962                                 <font class="comment">// Serial buffer: more efficient way to load.</font>
01963                                 f.<a class="code" href="classNLMISC_1_1IStream.html#z327_0">serialBuffer</a> (scanline, slsize);
01964 
01965                                 k=0;
01966                                 <font class="keywordflow">for</font>(i=0; i&lt;<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>; i++) 
01967                                 {
01968                                         <font class="keywordflow">if</font>(upSideDown)
01969                                                 <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[0][(<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>-<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>-1)*<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a> + i] = scanline[k++];
01970                                         <font class="keywordflow">else</font>
01971                                                 <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[0][<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a> + i] = scanline[k++];
01972                                 }
01973                         }
01974 
01975                         <a class="code" href="classNLMISC_1_1CBitmap.html#m0">PixelFormat</a> = <a class="code" href="classNLMISC_1_1CBitmap.html#n2">_LoadGrayscaleAsAlpha</a>?<a class="code" href="classNLMISC_1_1CBitmap.html#s11s2">Alpha</a>:<a class="code" href="classNLMISC_1_1CBitmap.html#s11s1">Luminance</a>;
01976                         <font class="keyword">delete</font> scanline;
01977                 };
01978                 <font class="keywordflow">break</font>;
01979 
01980                 <font class="comment">// Compressed RGB or RGBA</font>
01981                 <font class="keywordflow">case</font> 10:
01982                 {
01983                         uint8 packet;
01984                         uint8 pixel[4];
01985                         uint32 <a class="code" href="driver__opengl__extension__def_8h.html#a393">imageSize</a> = <a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>*<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>;
01986                         uint32 readSize = 0;
01987                         <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[0].reserve(<a class="code" href="classNLMISC_1_1CBitmap.html#n3">_Width</a>*<a class="code" href="classNLMISC_1_1CBitmap.html#n4">_Height</a>*4);
01988 
01989                         <font class="keywordflow">while</font>(readSize &lt; <a class="code" href="driver__opengl__extension__def_8h.html#a393">imageSize</a>)
01990                         {
01991                                 f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(packet);
01992                                 <font class="keywordflow">if</font>((packet &amp; 0x80) &gt; 0) <font class="comment">// packet RLE </font>
01993                                 { 
01994                                         <font class="keywordflow">for</font>(i=0; i&lt;imageDepth/8; i++)
01995                                         {
01996                                                 f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(pixel[i]);
01997                                         }
01998                                         <font class="keywordflow">for</font> (i=0; i &lt; (packet &amp; 0x7F) + 1; i++)
01999                                         {
02000                                                 <font class="keywordflow">for</font>(j=0; j&lt;imageDepth/8; j++)
02001                                                 {
02002                                                         <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[0].push_back(pixel[j]);
02003                                                 }
02004                                                 <font class="keywordflow">if</font>(imageDepth==24)
02005                                                 {
02006                                                         <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[0].push_back(0);
02007                                                 }
02008                                         }
02009                                 }
02010                                 <font class="keywordflow">else</font>    <font class="comment">// packet Raw </font>
02011                                 { 
02012                                         <font class="keywordflow">for</font>(i=0; i&lt;((packet &amp; 0x7F) + 1); i++)
02013                                         {
02014                                                 <font class="keywordflow">for</font>(j=0; j&lt;imageDepth/8; j++)
02015                                                 {
02016                                                         f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(pixel[j]);
02017                                                 }
02018                                                 <font class="keywordflow">if</font>(imageDepth==32)
02019                                                 {
02020                                                         <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[0].push_back(pixel[2]);
02021                                                         <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[0].push_back(pixel[1]);
02022                                                         <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[0].push_back(pixel[0]);
02023                                                         <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[0].push_back(pixel[3]);
02024                                                 }
02025                                                 <font class="keywordflow">if</font>(imageDepth==24)
02026                                                 {
02027                                                         <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[0].push_back(pixel[2]);
02028                                                         <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[0].push_back(pixel[1]);
02029                                                         <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[0].push_back(pixel[0]);
02030                                                         <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[0].push_back(0);
02031                                                 }
02032                                         }
02033                                 }
02034                                 readSize += (packet &amp; 0x7F) + 1;
02035                         }
02036                         <a class="code" href="classNLMISC_1_1CBitmap.html#m0">PixelFormat</a> = <a class="code" href="classNLMISC_1_1CBitmap.html#s11s0">RGBA</a>;
02037                 };
02038                 <font class="keywordflow">break</font>;
02039 
02040                 <font class="comment">// Compressed Grayscale bitmap (not tested)</font>
02041                 <font class="keywordflow">case</font> 11:
02042                 {
02043                         uint8 packet;
02044                         uint8 pixel[4];
02045                         uint32 <a class="code" href="driver__opengl__extension__def_8h.html#a393">imageSize</a> = <a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>*<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>;
02046                         uint32 readSize = 0;
02047                         <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[0].reserve(<a class="code" href="classNLMISC_1_1CBitmap.html#n3">_Width</a>*<a class="code" href="classNLMISC_1_1CBitmap.html#n4">_Height</a>);
02048 
02049                         <font class="keywordflow">while</font>(readSize &lt; <a class="code" href="driver__opengl__extension__def_8h.html#a393">imageSize</a>)
02050                         {
02051                                 f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(packet);
02052                                 <font class="keywordflow">if</font>((packet &amp; 0x80) &gt; 0) <font class="comment">// packet RLE </font>
02053                                 { 
02054                                         f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(pixel[0]);
02055                                         <font class="keywordflow">for</font> (i=0; i &lt; (packet &amp; 0x7F) + 1; i++)
02056                                         {
02057                                                 <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[0].push_back(pixel[0]);
02058                                         }
02059                                 }
02060                                 <font class="keywordflow">else</font>    <font class="comment">// packet Raw </font>
02061                                 { 
02062                                         <font class="keywordflow">for</font>(i=0; i&lt;((packet &amp; 0x7F) + 1); i++)
02063                                         {
02064                                                 f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(pixel[0]);
02065                                                 <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[0].push_back(pixel[0]);
02066                                         }
02067                                 }
02068                                 readSize += (packet &amp; 0x7F) + 1;
02069                         }
02070                         <a class="code" href="classNLMISC_1_1CBitmap.html#m0">PixelFormat</a> = <a class="code" href="classNLMISC_1_1CBitmap.html#n2">_LoadGrayscaleAsAlpha</a>?<a class="code" href="classNLMISC_1_1CBitmap.html#s11s2">Alpha</a>:<a class="code" href="classNLMISC_1_1CBitmap.html#s11s1">Luminance</a>;
02071                 };
02072                 <font class="keywordflow">break</font>;
02073 
02074                 <font class="keywordflow">default</font>:
02075                         <font class="keywordflow">return</font> 0;
02076         }
02077 
02078         <a class="code" href="classNLMISC_1_1CBitmap.html#n1">_MipMapCount</a> = 1;
02079         <font class="keywordflow">return</font>(imageDepth);
02080 
02081 }
02082 
02083 <font class="comment">/*-------------------------------------------------------------------*\</font>
02084 <font class="comment">                                                        writeTGA</font>
02085 <font class="comment">\*-------------------------------------------------------------------*/</font>
<a name="l02086"></a><a class="code" href="classNLMISC_1_1CBitmap.html#a18">02086</a> <font class="keywordtype">bool</font> CBitmap::writeTGA( <a class="code" href="classNLMISC_1_1IStream.html">NLMISC::IStream</a> &amp;f, uint32 d, <font class="keywordtype">bool</font> upsideDown)
02087 {
02088         <font class="keywordflow">if</font>(f.<a class="code" href="classNLMISC_1_1IStream.html#a4">isReading</a>()) <font class="keywordflow">return</font> <font class="keyword">false</font>;
02089         <font class="keywordflow">if</font>(d!=24 &amp;&amp; d!=32 &amp;&amp; d!=16 &amp;&amp; d!=8) <font class="keywordflow">return</font> <font class="keyword">false</font>;
02090         <font class="keywordflow">if</font> ((<a class="code" href="classNLMISC_1_1CBitmap.html#m0">PixelFormat</a> != <a class="code" href="classNLMISC_1_1CBitmap.html#s11s0">RGBA</a>)&amp;&amp;(<a class="code" href="classNLMISC_1_1CBitmap.html#m0">PixelFormat</a> != <a class="code" href="classNLMISC_1_1CBitmap.html#s11s2">Alpha</a>)) <font class="keywordflow">return</font> <font class="keyword">false</font>;
02091         <font class="keywordflow">if</font> ((<a class="code" href="classNLMISC_1_1CBitmap.html#m0">PixelFormat</a> == <a class="code" href="classNLMISC_1_1CBitmap.html#s11s2">Alpha</a>) &amp;&amp; (d != 8)) <font class="keywordflow">return</font> <font class="keyword">false</font>;
02092 
02093         sint32  i,j,<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>,<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>;
02094         uint8   * scanline;
02095         uint8   <a class="code" href="driver__opengl__extension__def_8h.html#a385">r</a>,g,b,a;
02096 
02097         uint8   lengthID = 0;
02098         uint8   cMapType = 0;
02099         uint8   imageType = 2;
02100         uint16  origin = 0;
02101         uint16  length = 0;
02102         uint8   <a class="code" href="driver__opengl__extension__def_8h.html#a391">depth</a> = 0;
02103         uint16  xOrg = 0;
02104         uint16  yOrg = 0;
02105         uint16  <a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a> = (uint16)<a class="code" href="classNLMISC_1_1CBitmap.html#n3">_Width</a>;
02106         uint16  <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a> = (uint16)<a class="code" href="classNLMISC_1_1CBitmap.html#n4">_Height</a>;
02107         uint8   imageDepth = (uint8)d;
02108         uint8   desc = 0;
02109         <font class="keywordflow">if</font> (upsideDown)
02110                 desc |= 1&lt;&lt;5;
02111 
02112         <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBitmap.html#m0">PixelFormat</a> == <a class="code" href="classNLMISC_1_1CBitmap.html#s11s2">Alpha</a>)
02113                 imageType = 3; <font class="comment">// Uncompressed grayscale</font>
02114 
02115         f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(lengthID);
02116         f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(cMapType);
02117         f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(imageType);
02118         f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(origin);
02119         f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(length);
02120         f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a391">depth</a>);
02121         f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(xOrg);
02122         f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(yOrg);
02123         f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>);
02124         f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>);
02125         f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(imageDepth);
02126         f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(desc);
02127 
02128         <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBitmap.html#m0">PixelFormat</a> == <a class="code" href="classNLMISC_1_1CBitmap.html#s11s2">Alpha</a>)
02129                 scanline = <font class="keyword">new</font> uint8[<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>];
02130         <font class="keywordflow">else</font>
02131                 scanline = <font class="keyword">new</font> uint8[<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>*4];
02132         <font class="keywordflow">if</font>(!scanline)
02133         {
02134                 <font class="keywordflow">throw</font> EAllocationFailure();
02135         }
02136 
02137         <font class="keywordflow">for</font>(<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>=0; <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>&lt;(sint32)<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>; <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>++)
02138         {
02139                 
02140                 uint32 k=0;
02141                 <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBitmap.html#m0">PixelFormat</a> == <a class="code" href="classNLMISC_1_1CBitmap.html#s11s2">Alpha</a>)
02142                 <font class="keywordflow">for</font>(i=0; i&lt;<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>; ++i) <font class="comment">// Alpha</font>
02143                 {
02144                         scanline[k++] = <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[0][(<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>-<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>-1)*<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a> + i];
02145                 }
02146                 <font class="keywordflow">else</font>
02147                 <font class="keywordflow">for</font>(i=0; i&lt;<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>*4; i+=4) <font class="comment">// 4:RGBA</font>
02148                 {
02149                         <font class="keywordflow">if</font>(d==16)
02150                         {
02151                                 <font class="keywordflow">for</font>(j=0; j&lt;(sint32)4; j++)
02152                                 {
02153                                         scanline[k++] = <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[0][(<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>-<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>-1)*<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>*4 + i + j];
02154                                 }
02155                         }
02156                         <font class="keywordflow">else</font>
02157                         {
02158                                 <font class="keywordflow">for</font>(j=0; j&lt;(sint32)d/8; j++)
02159                                 {
02160                                         scanline[k++] = <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[0][(<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>-<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>-1)*<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>*4 + i + j];
02161                                 }
02162                         }
02163                 }
02164                 
02165                 <font class="keywordflow">if</font>(d==16)
02166                 {
02167                         <font class="keywordflow">for</font>(<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>=0; <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>&lt;(sint32)<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>; <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>++)
02168                         {
02169                                 <a class="code" href="driver__opengl__extension__def_8h.html#a385">r</a> = scanline[<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>*4+0];
02170                                 g = scanline[<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>*4+1];
02171                                 b = scanline[<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>*4+2];
02172                                 <font class="keywordtype">int</font> rr = <a class="code" href="driver__opengl__extension__def_8h.html#a385">r</a> &gt;&gt;3;
02173                                 <font class="keywordtype">int</font> gg = g &gt;&gt;3;
02174                                 <font class="keywordtype">int</font> bb = b &gt;&gt;3;
02175                                 uint16 c16 = (rr&lt;&lt;10) | (gg&lt;&lt;5) | bb;
02176                                 scanline[<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>*2+0] = c16&amp;0xff;
02177                                 scanline[<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>*2+1] = c16&gt;&gt;8;
02178                         }
02179                 }
02180                 <font class="keywordflow">if</font>(d==24)
02181                 {
02182                         <font class="keywordflow">for</font>(<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>=0; <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>&lt;(sint32)<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>; <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>++)
02183                         {
02184                                 <a class="code" href="driver__opengl__extension__def_8h.html#a385">r</a> = scanline[<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>*3+0];
02185                                 g = scanline[<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>*3+1];
02186                                 b = scanline[<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>*3+2];
02187                                 scanline[<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>*3+0] = b;
02188                                 scanline[<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>*3+1] = g;
02189                                 scanline[<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>*3+2] = <a class="code" href="driver__opengl__extension__def_8h.html#a385">r</a>;
02190                         }
02191                 }
02192                 <font class="keywordflow">if</font>(d==32)
02193                 {
02194                         <font class="keywordflow">for</font>(<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>=0; <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>&lt;(sint32)<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>; <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>++)
02195                         {
02196                                 <a class="code" href="driver__opengl__extension__def_8h.html#a385">r</a> = scanline[<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>*4+0];
02197                                 g = scanline[<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>*4+1];
02198                                 b = scanline[<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>*4+2];
02199                                 a= scanline[<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>*4+3];
02200                                 scanline[<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>*4+0] = b;
02201                                 scanline[<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>*4+1] = g;
02202                                 scanline[<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>*4+2] = <a class="code" href="driver__opengl__extension__def_8h.html#a385">r</a>;                            
02203                                 scanline[<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>*4+3] = a;
02204                         }
02205                 }
02206                 
02207                 <font class="keywordtype">int</font> finaleSize=<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>*d/8;
02208                 <font class="keywordflow">for</font>(i=0; i&lt;finaleSize; i++)
02209                 {
02210                         f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(scanline[i]);
02211                 }               
02212         }
02213         <font class="keyword">delete</font> scanline;
02214         <font class="keywordflow">return</font> <font class="keyword">true</font>;
02215 }
02216 
02217 <font class="keyword">template</font>&lt;<font class="keyword">class</font> T&gt;
02218 <font class="keywordtype">void</font> <a class="code" href="namespaceNLMISC.html#a287">rotateCCW</a> (<font class="keyword">const</font> T* <a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>, T* dst, uint srcWidth, uint srcHeight)
02219 {
02220         <font class="keywordflow">for</font> (uint <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>=0; <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>&lt;srcHeight; <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>++)
02221         <font class="keywordflow">for</font> (uint <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>=0; <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>&lt;srcWidth; <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>++)
02222         {
02223                 uint dstX=<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>;
02224                 uint dstY=srcWidth-<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>-1;
02225                 dst[dstX+dstY*srcHeight]=<a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>[<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>+<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*srcWidth];
02226         }
02227 }
02228 
02229 <font class="comment">/*template&lt;class T&gt;</font>
02230 <font class="comment">void rotateCCW (const vector&lt;T&gt;&amp; src, vector&lt;T&gt;&amp; dst, uint srcWidth, uint srcHeight)</font>
02231 <font class="comment">{</font>
02232 <font class="comment">        for (uint y=0; y&lt;srcHeight; y++)</font>
02233 <font class="comment">        for (uint x=0; x&lt;srcWidth; x++)</font>
02234 <font class="comment">        {</font>
02235 <font class="comment">                uint dstX=y;</font>
02236 <font class="comment">                uint dstY=srcWidth-x;</font>
02237 <font class="comment">                dst[dstX+dstY*srcHeight]=src[x+y*srcWidth];</font>
02238 <font class="comment">        }</font>
02239 <font class="comment">}</font>
02240 <font class="comment">*/</font>
<a name="l02241"></a><a class="code" href="classNLMISC_1_1CBitmap.html#a10">02241</a> <font class="keywordtype">void</font> CBitmap::rotateCCW()
02242 {
02243         <font class="comment">// Copy the array</font>
02244         std::vector&lt;uint8&gt; copy=<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[0];
02245 
02246         <font class="keywordflow">switch</font> (PixelFormat)
02247         {
02248         <font class="keywordflow">case</font> <a class="code" href="classNLMISC_1_1CBitmap.html#s11s0">RGBA</a>:
02249                 <a class="code" href="namespaceNLMISC.html#a287">NLMISC::rotateCCW</a> ((uint32*)&amp;(<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[0][0]), (uint32*)&amp;(copy[0]), <a class="code" href="classNLMISC_1_1CBitmap.html#n3">_Width</a>, <a class="code" href="classNLMISC_1_1CBitmap.html#n4">_Height</a>);
02250                 <font class="keywordflow">break</font>;
02251         <font class="keywordflow">case</font> <a class="code" href="classNLMISC_1_1CBitmap.html#s11s1">Luminance</a>:
02252         <font class="keywordflow">case</font> <a class="code" href="classNLMISC_1_1CBitmap.html#s11s2">Alpha</a>:
02253                 <a class="code" href="namespaceNLMISC.html#a287">NLMISC::rotateCCW</a> (&amp;<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[0][0], &amp;copy[0], <a class="code" href="classNLMISC_1_1CBitmap.html#n3">_Width</a>, <a class="code" href="classNLMISC_1_1CBitmap.html#n4">_Height</a>);
02254                 <font class="keywordflow">break</font>;
02255         <font class="keywordflow">case</font> <a class="code" href="classNLMISC_1_1CBitmap.html#s11s3">AlphaLuminance</a>:
02256                 <a class="code" href="namespaceNLMISC.html#a287">NLMISC::rotateCCW</a> ((uint16*)&amp;(<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[0][0]), (uint16*)&amp;(copy[0]), <a class="code" href="classNLMISC_1_1CBitmap.html#n3">_Width</a>, <a class="code" href="classNLMISC_1_1CBitmap.html#n4">_Height</a>);;
02257                 <font class="keywordflow">break</font>;
02258         <font class="keywordflow">default</font>: <font class="keywordflow">break</font>;
02259         }
02260 
02261         uint32 tmp=<a class="code" href="classNLMISC_1_1CBitmap.html#n3">_Width</a>;
02262         <a class="code" href="classNLMISC_1_1CBitmap.html#n3">_Width</a>=<a class="code" href="classNLMISC_1_1CBitmap.html#n4">_Height</a>;
02263         <a class="code" href="classNLMISC_1_1CBitmap.html#n4">_Height</a>=tmp;
02264         <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[0]=copy;
02265 }
02266 
<a name="l02267"></a><a class="code" href="classNLMISC_1_1CBitmap.html#a22">02267</a> <font class="keywordtype">bool</font> CBitmap::blit(<font class="keyword">const</font> CBitmap *<a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>, sint32 <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>, sint32 <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>)
02268 {
02269         
02270         <a class="code" href="debug_8h.html#a6">nlassert</a>(this-&gt;PixelFormat == <a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>-&gt;PixelFormat);
02271         <font class="keywordflow">if</font> (this-&gt;<a class="code" href="classNLMISC_1_1CBitmap.html#m0">PixelFormat</a> != <a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>-&gt;PixelFormat)
02272         {
02273                 <font class="keywordflow">return</font> <font class="keyword">false</font>;
02274         }
02275 
02276 
02277         <font class="comment">// check for dxtc use</font>
02278 
02279         <font class="keyword">const</font> <font class="keywordtype">bool</font> useDXTC   =  <a class="code" href="classNLMISC_1_1CBitmap.html#m0">PixelFormat</a> == <a class="code" href="classNLMISC_1_1CBitmap.html#s11s4">DXTC1</a> || <a class="code" href="classNLMISC_1_1CBitmap.html#m0">PixelFormat</a> == <a class="code" href="classNLMISC_1_1CBitmap.html#s11s5">DXTC1Alpha</a> || <a class="code" href="classNLMISC_1_1CBitmap.html#m0">PixelFormat</a> == <a class="code" href="classNLMISC_1_1CBitmap.html#s11s6">DXTC3</a> || <a class="code" href="classNLMISC_1_1CBitmap.html#m0">PixelFormat</a> ==     <a class="code" href="classNLMISC_1_1CBitmap.html#s11s7">DXTC5</a>;
02280 
02281         <font class="comment">// number of bits for a 4x4 pix block</font>
02282         <font class="keyword">const</font> uint dxtcNumBits  =  <a class="code" href="classNLMISC_1_1CBitmap.html#m0">PixelFormat</a> == <a class="code" href="classNLMISC_1_1CBitmap.html#s11s4">DXTC1</a> || <a class="code" href="classNLMISC_1_1CBitmap.html#m0">PixelFormat</a> == <a class="code" href="classNLMISC_1_1CBitmap.html#s11s5">DXTC1Alpha</a> ? 64 : 128;
02283         
02284 
02285         <font class="keywordflow">if</font> (useDXTC)
02286         {
02287                 <font class="comment">// blit pos must be multiple of 4</font>
02288 
02289                 <a class="code" href="debug_8h.html#a6">nlassert</a>(! (<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a> &amp; 3 || <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a> &amp; 3) );
02290                 <font class="keywordflow">if</font> (<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a> &amp; 3 || <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a> &amp; 3) <font class="keywordflow">return</font> <font class="keyword">false</font>;
02291 
02292         }
02293 
02294         <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="classNLMISC_1_1CBitmap.html#m0">PixelFormat</a> != <a class="code" href="classNLMISC_1_1CBitmap.html#s11s10">DonTKnow</a>);
02295 
02296         <font class="comment">// the width to copy</font>
02297         sint <a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a> = <a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>-&gt;_Width;
02298         <font class="comment">// the height to copy</font>
02299         sint <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a> = <a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>-&gt;_Height;
02300 
02301         uint destStartX, destStartY;
02302         uint srcStartX, srcStartY;
02303 
02304 
02305         <font class="comment">// clip against left</font>
02306         <font class="keywordflow">if</font> (<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a> &lt; 0)
02307         {
02308                 <a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a> += <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>;
02309                 <font class="keywordflow">if</font> (<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a> &lt;= 0) <font class="keywordflow">return</font> <font class="keyword">true</font>;
02310                 destStartX = 0;
02311                 srcStartX = -<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>;
02312         }
02313         <font class="keywordflow">else</font>
02314         {
02315                 destStartX = <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>;
02316                 srcStartX = 0;
02317         }
02318 
02319         <font class="comment">// clip against top</font>
02320         <font class="keywordflow">if</font> (<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a> &lt; 0)
02321         {
02322                 <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a> += <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>;
02323                 <font class="keywordflow">if</font> (<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a> &lt;= 0) <font class="keywordflow">return</font> <font class="keyword">true</font>;
02324                 srcStartY = -<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>;
02325                 destStartY = 0;
02326         }
02327         <font class="keywordflow">else</font>
02328         {
02329                 destStartY = <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>;
02330                 srcStartY = 0;
02331         }
02332 
02333         <font class="comment">// clip against right</font>
02334         <font class="keywordflow">if</font> ((destStartX + <a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a> - 1) &gt;= <a class="code" href="classNLMISC_1_1CBitmap.html#n3">_Width</a>)
02335         {
02336                 <a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a> = <a class="code" href="classNLMISC_1_1CBitmap.html#n3">_Width</a> - destStartX;
02337                 <font class="keywordflow">if</font> (<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a> &lt;= 0) <font class="keywordflow">return</font> <font class="keyword">true</font>;
02338         }
02339 
02340         <font class="comment">// clip against bottom</font>
02341         <font class="keywordflow">if</font> ((destStartY + <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a> - 1) &gt;= <a class="code" href="classNLMISC_1_1CBitmap.html#n4">_Height</a>)
02342         {
02343                 <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a> = <a class="code" href="classNLMISC_1_1CBitmap.html#n4">_Height</a> - destStartY;
02344                 <font class="keywordflow">if</font> (<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a> &lt;= 0) <font class="keywordflow">return</font> <font class="keyword">true</font>;
02345         }
02346 
02347 
02348         <font class="comment">// divide all distance by 4 when using DXTC</font>
02349         <font class="keywordflow">if</font> (useDXTC)
02350         {
02351                 destStartX &gt;&gt;= 2;
02352                 destStartY &gt;&gt;= 2;
02353                 srcStartX &gt;&gt;= 2;
02354                 srcStartY &gt;&gt;= 2;
02355                 <a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a> &gt;&gt;= 2;
02356                 <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a> &gt;&gt;= 2;
02357         }
02358         
02359 
02360         <font class="comment">// bytes per pixs is for either one pixel or 16 (a 4x4 block in DXTC)</font>
02361         <font class="keyword">const</font> uint bytePerPixs = ( useDXTC ? dxtcNumBits : <a class="code" href="classNLMISC_1_1CBitmap.html#p0">bitPerPixels</a>[<a class="code" href="classNLMISC_1_1CBitmap.html#m0">PixelFormat</a>] ) &gt;&gt; 3 <font class="comment">/* divide by 8 to get the number of bytes */</font>;
02362 
02363 
02364         <font class="keyword">const</font> uint destRealWidth = useDXTC ? (<a class="code" href="classNLMISC_1_1CBitmap.html#n3">_Width</a> &gt;&gt; 2) : <a class="code" href="classNLMISC_1_1CBitmap.html#n3">_Width</a>;
02365         <font class="keyword">const</font> uint srcRealWidth = useDXTC ? (<a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>-&gt;_Width &gt;&gt; 2) : <a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>-&gt;_Width;
02366         
02367 
02368         <font class="comment">// size to go to the next line in the destination</font>
02369         <font class="keyword">const</font> uint destStride = destRealWidth * bytePerPixs;
02370 
02371         <font class="comment">// size to go to the next line in the source</font>
02372         <font class="keyword">const</font> uint srcStride = srcRealWidth * bytePerPixs;
02373         
02374         <font class="comment">// length in bytes of a line to copy</font>
02375         <font class="keyword">const</font> uint lineLength = <a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a> * bytePerPixs;
02376 
02377 
02378         uint8  *destPos = &amp;(<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[0][0]) + destStride * destStartY + bytePerPixs * destStartX;
02379         <font class="keyword">const</font> uint8 *srcPos = &amp;(<a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>-&gt;_Data[0][0]) + srcStride * srcStartY + bytePerPixs * srcStartX;
02380 
02381         <font class="comment">// copy each hline</font>
02382         <font class="keywordflow">for</font> (sint k = 0; k &lt; <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>; ++k)
02383         {
02384                 ::memcpy(destPos, srcPos, lineLength);
02385                 destPos += destStride;
02386                 srcPos += srcStride;
02387         }
02388 
02389         
02390         <font class="keywordflow">return</font> <font class="keyword">true</font>;
02391 }
02392 
02393 <font class="comment">// Private :</font>
<a name="l02394"></a><a class="code" href="classNLMISC_1_1CBitmap.html#c7">02394</a> <font class="keywordtype">float</font> CBitmap::getColorInterp (<font class="keywordtype">float</font> <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>, <font class="keywordtype">float</font> <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>, <font class="keywordtype">float</font> colorInXY00, <font class="keywordtype">float</font> colorInXY10, <font class="keywordtype">float</font> colorInXY01, <font class="keywordtype">float</font> colorInXY11)<font class="keyword"> const</font>
02395 <font class="keyword"></font>{
02396         <font class="keywordtype">float</font> <a class="code" href="driver__opengl__extension__def_8h.html#a400">res</a> =     colorInXY00*(1.0f-<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>)*(1.0f-<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>) +
02397                                 colorInXY10*(     x)*(1.0f-<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>) +
02398                                 colorInXY01*(1.0f-<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>)*(     y) +
02399                                 colorInXY11*(     x)*(     y);
02400         <a class="code" href="namespaceNLMISC.html#a215">clamp</a> (<a class="code" href="driver__opengl__extension__def_8h.html#a400">res</a>, 0.0f, 255.0f);
02401         <font class="keywordflow">return</font> <a class="code" href="driver__opengl__extension__def_8h.html#a400">res</a>;
02402 }
02403 
02404 <font class="comment">// Public:</font>
<a name="l02405"></a><a class="code" href="classNLMISC_1_1CBitmap.html#a23">02405</a> CRGBAF CBitmap::getColor (<font class="keywordtype">float</font> <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>, <font class="keywordtype">float</font> <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>)<font class="keyword"> const</font>
02406 <font class="keyword"></font>{
02407         <font class="keywordflow">if</font> (<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a> &lt; 0.0f) <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a> = 0.0f;
02408         <font class="keywordflow">if</font> (<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a> &gt; 1.0f) <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a> = 1.0f;
02409         <font class="keywordflow">if</font> (<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a> &lt; 0.0f) <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a> = 0.0f;
02410         <font class="keywordflow">if</font> (<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a> &gt; 1.0f) <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a> = 1.0f;
02411 
02412         sint32 nWidth = <a class="code" href="classNLMISC_1_1CBitmap.html#a6">getWidth</a>(0);
02413         sint32 nHeight = <a class="code" href="classNLMISC_1_1CBitmap.html#a7">getHeight</a>(0);
02414 
02415         <font class="keywordflow">if</font> (nWidth == 0 || nHeight == 0) <font class="keywordflow">return</font> CRGBAF(0, 0, 0, 0);
02416 
02417         <font class="keyword">const</font> std::vector&lt;uint8&gt; &amp;rBitmap = <a class="code" href="classNLMISC_1_1CBitmap.html#z277_0">getPixels</a>(0);
02418         sint32 nX[4], nY[4];
02419 
02420         <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a> *= nWidth-1;
02421         <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a> *= nHeight-1;
02422 
02423         <font class="comment">// Integer part of (x,y)</font>
02424         <font class="comment">//nX[0] = ((sint32)floor(x-0.5f));</font>
02425         <font class="comment">//nY[0] = ((sint32)floor(y-0.5f));</font>
02426         nX[0] = ((sint32)floor(<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>));
02427         nY[0] = ((sint32)floor(<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>));
02428 
02429         nX[1] = (nX[0] &lt; (nWidth-1) ? nX[0]+1 : nX[0]);
02430         nY[1] = nY[0];
02431 
02432         nX[2] = nX[0];
02433         nY[2] = (nY[0] &lt; (nHeight-1) ? nY[0]+1 : nY[0]);
02434 
02435         nX[3] = nX[1];
02436         nY[3] = nY[2];
02437 
02438         uint32 i;
02439 
02440         <font class="keywordflow">for</font> (i = 0; i &lt; 4; ++i)
02441         {
02442                 <a class="code" href="debug_8h.html#a6">nlassert</a> (nX[i] &gt;= 0);
02443                 <a class="code" href="debug_8h.html#a6">nlassert</a> (nY[i] &gt;= 0 );
02444                 <a class="code" href="debug_8h.html#a6">nlassert</a> (nX[i] &lt; nWidth);
02445                 <a class="code" href="debug_8h.html#a6">nlassert</a> (nY[i] &lt; nHeight);
02446         }
02447 
02448         <font class="comment">// Decimal part of (x,y)</font>
02449         <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a> = <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a> - (float)nX[0]; 
02450         <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a> = <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a> - (float)nY[0];
02451 
02452         <font class="keywordflow">switch</font> (this-&gt;<a class="code" href="classNLMISC_1_1CBitmap.html#m0">PixelFormat</a>)
02453         {
02454                 <font class="keywordflow">case</font> <a class="code" href="classNLMISC_1_1CBitmap.html#s11s0">RGBA</a>:
02455                 <font class="keywordflow">case</font> <a class="code" href="classNLMISC_1_1CBitmap.html#s11s4">DXTC1</a>:
02456                 <font class="keywordflow">case</font> <a class="code" href="classNLMISC_1_1CBitmap.html#s11s5">DXTC1Alpha</a>:
02457                 <font class="keywordflow">case</font> <a class="code" href="classNLMISC_1_1CBitmap.html#s11s6">DXTC3</a>:
02458                 <font class="keywordflow">case</font> <a class="code" href="classNLMISC_1_1CBitmap.html#s11s7">DXTC5</a>:
02459                 {                                                                       
02460                         CRGBAF finalVal;
02461                         CRGBA val[4];
02462 
02463                         <font class="keywordflow">if</font> (this-&gt;<a class="code" href="classNLMISC_1_1CBitmap.html#m0">PixelFormat</a> == <a class="code" href="classNLMISC_1_1CBitmap.html#s11s0">RGBA</a>)
02464                         {
02465                                 <font class="keywordflow">for</font> (i = 0; i &lt; 4; ++i)
02466                                 {
02467                                         val[i] = CRGBA (rBitmap[(nX[i]+nY[i]*nWidth)*4+0],
02468                                                                         rBitmap[(nX[i]+nY[i]*nWidth)*4+1],
02469                                                                         rBitmap[(nX[i]+nY[i]*nWidth)*4+2],
02470                                                                         rBitmap[(nX[i]+nY[i]*nWidth)*4+3]);
02471                                 }
02472                         }
02473                         <font class="keywordflow">else</font>
02474                         {
02475                                 <font class="comment">// slower version : get from DXT</font>
02476                                 <font class="keywordflow">for</font> (i = 0; i &lt; 4; ++i)
02477                                 {
02478                                         val[i] = <a class="code" href="classNLMISC_1_1CBitmap.html#a24">getPixelColor</a>(nX[i], nY[i]);
02479                                 }
02480                         }
02481 
02482                         finalVal.R = <a class="code" href="classNLMISC_1_1CBitmap.html#c7">getColorInterp</a> (<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>, val[0].R, val[1].R, val[2].R, val[3].R);
02483                         finalVal.G = <a class="code" href="classNLMISC_1_1CBitmap.html#c7">getColorInterp</a> (<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>, val[0].G, val[1].G, val[2].G, val[3].G);
02484                         finalVal.B = <a class="code" href="classNLMISC_1_1CBitmap.html#c7">getColorInterp</a> (<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>, val[0].B, val[1].B, val[2].B, val[3].B);
02485                         finalVal.A = <a class="code" href="classNLMISC_1_1CBitmap.html#c7">getColorInterp</a> (<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>, val[0].A, val[1].A, val[2].A, val[3].A);
02486 
02487                         <font class="keywordflow">return</font> finalVal;                        
02488                 }
02489                 <font class="keywordflow">break</font>;
02490                 <font class="keywordflow">case</font> <a class="code" href="classNLMISC_1_1CBitmap.html#s11s2">Alpha</a>:
02491                 <font class="keywordflow">case</font> <a class="code" href="classNLMISC_1_1CBitmap.html#s11s1">Luminance</a>:
02492                 {
02493                         
02494                         <font class="keywordtype">float</font> finalVal;
02495                         <font class="keywordtype">float</font> val[4];
02496 
02497                         <font class="keywordflow">for</font> (i = 0; i &lt; 4; ++i)
02498                                 val[i] = rBitmap[(nX[i]+nY[i]*nWidth)];
02499 
02500                         finalVal = <a class="code" href="classNLMISC_1_1CBitmap.html#c7">getColorInterp</a> (<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>, val[0], val[1], val[2], val[3]);
02501 
02502                         <font class="keywordflow">if</font> (this-&gt;<a class="code" href="classNLMISC_1_1CBitmap.html#m0">PixelFormat</a> == <a class="code" href="classNLMISC_1_1CBitmap.html#s11s2">Alpha</a>)
02503                                 <font class="keywordflow">return</font> CRGBAF (255.0f, 255.0f, 255.0f, finalVal);
02504                         <font class="keywordflow">else</font> <font class="comment">// Luminance</font>
02505                                 <font class="keywordflow">return</font> CRGBAF (finalVal, finalVal, finalVal, 255.0f);
02506                 }
02507                 <font class="keywordflow">break</font>;
02508                 <font class="keywordflow">default</font>: <font class="keywordflow">break</font>;
02509         }
02510 
02511         <font class="keywordflow">return</font> CRGBAF (0.0f, 0.0f, 0.0f, 0.0f);
02512 }
02513 
02514 
<a name="l02515"></a><a class="code" href="classNLMISC_1_1CBitmap.html#d0">02515</a> <font class="keywordtype">void</font>    CBitmap::loadSize(<a class="code" href="classNLMISC_1_1IStream.html">NLMISC::IStream</a> &amp;f, uint32 &amp;retWidth, uint32 &amp;retHeight)
02516 {
02517         retWidth= 0;
02518         retHeight= 0;
02519 
02520 
02521         <a class="code" href="debug_8h.html#a6">nlassert</a>(f.<a class="code" href="classNLMISC_1_1IStream.html#a4">isReading</a>()); 
02522         
02523         <font class="comment">// testing if DDS</font>
02524         uint32 fileType = 0;
02525         f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(fileType);
02526         <font class="keywordflow">if</font>(fileType == <a class="code" href="namespaceNLMISC.html#a2">DDS</a>)
02527         {
02528                 <font class="comment">// read entire DDS header.</font>
02529                 uint32 size = 0;
02530                 f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(size); <font class="comment">// size in Bytes of header(without "DDS")</font>
02531                 uint32 * _DDSSurfaceDesc = <font class="keyword">new</font> uint32[size]; 
02532                 std::auto_ptr&lt;uint32&gt; _DDSSurfaceDescAuto(_DDSSurfaceDesc);
02533                 _DDSSurfaceDesc[0]= size;
02534 
02535                 <font class="keywordflow">for</font>(uint i= 0; i&lt;size/4 - 1; i++)
02536                 {
02537                         f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(_DDSSurfaceDesc[i+1]);
02538                 }
02539                 
02540                 <font class="comment">// flags determines which members of the header structure contain valid data</font>
02541                 uint32 flags = _DDSSurfaceDesc[1];
02542 
02543                 <font class="comment">//verify if file have linearsize set</font>
02544                 <font class="keywordflow">if</font>(!(flags &amp; <a class="code" href="bitmap_8h.html#a1">DDSD_LINEARSIZE</a>)) 
02545                 {
02546                         <font class="keywordflow">throw</font> EDDSBadHeader();
02547                 }
02548                 
02549                 <font class="comment">//-------------- extracting and testing useful info</font>
02550                 retWidth = _DDSSurfaceDesc[2];
02551                 retHeight  = _DDSSurfaceDesc[3];
02552         }
02553         <font class="comment">// assuming it's TGA</font>
02554         <font class="keywordflow">else</font> 
02555         {
02556                 <font class="keywordflow">if</font>(!f.<a class="code" href="classNLMISC_1_1IStream.html#a31">seek</a> (0, <a class="code" href="classNLMISC_1_1IStream.html#s3s0">NLMISC::IStream::begin</a>))
02557                 {
02558                         <font class="keywordflow">throw</font> ESeekFailed();
02559                 }
02560 
02561                 <font class="comment">// Reading header, </font>
02562                 <font class="comment">// To make sure that the bitmap is TGA, we check imageType and imageDepth.</font>
02563                 uint8   lengthID;
02564                 uint8   cMapType;
02565                 uint8   imageType;
02566                 uint16  tgaOrigin;
02567                 uint16  length;
02568                 uint8   <a class="code" href="driver__opengl__extension__def_8h.html#a391">depth</a>;
02569                 uint16  xOrg;
02570                 uint16  yOrg;
02571                 uint16  <a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>;
02572                 uint16  <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>;
02573                 uint8   imageDepth;
02574                 uint8   desc;
02575                 
02576                 f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(lengthID);
02577                 f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(cMapType);
02578                 f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(imageType);
02579                 <font class="keywordflow">if</font>(imageType!=2 &amp;&amp; imageType!=3 &amp;&amp; imageType!=10 &amp;&amp; imageType!=11) <font class="keywordflow">return</font>;
02580                 f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(tgaOrigin);
02581                 f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(length);
02582                 f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a391">depth</a>);
02583                 f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(xOrg);
02584                 f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(yOrg);
02585                 f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>);
02586                 f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>);
02587                 f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(imageDepth);
02588                 <font class="keywordflow">if</font>(imageDepth!=8 &amp;&amp; imageDepth!=24 &amp;&amp; imageDepth!=32) <font class="keywordflow">return</font>;
02589                 f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(desc);
02590 
02591                 <font class="comment">// Ok, we have width and height.</font>
02592                 retWidth= <a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>;
02593                 retHeight= <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>;
02594         }
02595 
02596         <font class="comment">// reset stream.</font>
02597         <font class="keywordflow">if</font>(!f.<a class="code" href="classNLMISC_1_1IStream.html#a31">seek</a> (0, <a class="code" href="classNLMISC_1_1IStream.html#s3s0">NLMISC::IStream::begin</a>))
02598         {
02599                 <font class="keywordflow">throw</font> ESeekFailed();
02600         }
02601 }
02602 
02603 
<a name="l02604"></a><a class="code" href="classNLMISC_1_1CBitmap.html#d1">02604</a> <font class="keywordtype">void</font>    CBitmap::loadSize(<font class="keyword">const</font> std::string &amp;path, uint32 &amp;retWidth, uint32 &amp;retHeight)
02605 {
02606         retWidth= 0;
02607         retHeight= 0;
02608 
02609         CIFile          f(path);
02610         <font class="keywordflow">if</font>(f.open(path))
02611                 <a class="code" href="classNLMISC_1_1CBitmap.html#d0">loadSize</a>(f, retWidth, retHeight);
02612 }
02613 
02614 
<a name="l02615"></a><a class="code" href="classNLMISC_1_1CBitmap.html#a25">02615</a> <font class="keywordtype">void</font>    CBitmap::flipH()
02616 {
02617         <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBitmap.html#m0">PixelFormat</a> != <a class="code" href="classNLMISC_1_1CBitmap.html#s11s0">RGBA</a>)
02618                 <font class="keywordflow">return</font>;
02619 
02620         sint32 nWidth = <a class="code" href="classNLMISC_1_1CBitmap.html#a6">getWidth</a>(0);
02621         sint32 nHeight = <a class="code" href="classNLMISC_1_1CBitmap.html#a7">getHeight</a>(0);
02622         sint32 i, j;
02623         <a class="code" href="classNLMISC_1_1CRGBA.html">NLMISC::CRGBA</a> *pBitmap = (<a class="code" href="classNLMISC_1_1CRGBA.html">NLMISC::CRGBA</a>*)&amp;<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[0][0];
02624         <font class="keywordtype">bool</font> needRebuild = <font class="keyword">false</font>;
02625         CRGBA temp;
02626 
02627         <font class="keywordflow">if</font>(<a class="code" href="classNLMISC_1_1CBitmap.html#n1">_MipMapCount</a>&gt;1)
02628                 needRebuild = <font class="keyword">true</font>;
02629         <a class="code" href="classNLMISC_1_1CBitmap.html#a12">releaseMipMaps</a>();
02630 
02631         <font class="keywordflow">for</font>( i = 0; i &lt; nHeight; ++i )
02632                 <font class="keywordflow">for</font>( j = 0; j &lt; nWidth/2; ++j )
02633                 {
02634                         temp = pBitmap[i*nWidth+j];
02635                         pBitmap[i*nWidth+j] = pBitmap[i*nWidth+nWidth-j-1];
02636                         pBitmap[i*nWidth+nWidth-j-1] = temp;
02637                 }
02638 
02639         <font class="comment">// Rebuilding mipmaps</font>
02640         <font class="keywordflow">if</font>(needRebuild)
02641         {
02642                 <a class="code" href="classNLMISC_1_1CBitmap.html#a11">buildMipMaps</a>();
02643         }
02644 }
02645 
02646 
<a name="l02647"></a><a class="code" href="classNLMISC_1_1CBitmap.html#a26">02647</a> <font class="keywordtype">void</font>    CBitmap::flipV()
02648 {
02649         <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBitmap.html#m0">PixelFormat</a> != <a class="code" href="classNLMISC_1_1CBitmap.html#s11s0">RGBA</a>)
02650                 <font class="keywordflow">return</font>;
02651 
02652         sint32 nWidth = <a class="code" href="classNLMISC_1_1CBitmap.html#a6">getWidth</a>(0);
02653         sint32 nHeight = <a class="code" href="classNLMISC_1_1CBitmap.html#a7">getHeight</a>(0);
02654         sint32 i, j;
02655         <a class="code" href="classNLMISC_1_1CRGBA.html">NLMISC::CRGBA</a> *pBitmap = (<a class="code" href="classNLMISC_1_1CRGBA.html">NLMISC::CRGBA</a>*)&amp;<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[0][0];
02656         <font class="keywordtype">bool</font> needRebuild = <font class="keyword">false</font>;
02657         CRGBA temp;
02658 
02659         <font class="keywordflow">if</font>(<a class="code" href="classNLMISC_1_1CBitmap.html#n1">_MipMapCount</a>&gt;1)
02660                 needRebuild = <font class="keyword">true</font>;
02661         <a class="code" href="classNLMISC_1_1CBitmap.html#a12">releaseMipMaps</a>();
02662 
02663         <font class="keywordflow">for</font>( j = 0; j &lt; nHeight/2; ++j )
02664                 <font class="keywordflow">for</font>( i = 0; i &lt; nWidth; ++i )
02665                 {
02666                         temp = pBitmap[j*nWidth+i];
02667                         pBitmap[j*nWidth+i] = pBitmap[(nHeight-j-1)*nWidth+i];
02668                         pBitmap[(nHeight-j-1)*nWidth+i] = temp;
02669                 }
02670 
02671         <font class="comment">// Rebuilding mipmaps</font>
02672         <font class="keywordflow">if</font>(needRebuild)
02673         {
02674                 <a class="code" href="classNLMISC_1_1CBitmap.html#a11">buildMipMaps</a>();
02675         }
02676 }
02677 
02678 
<a name="l02679"></a><a class="code" href="classNLMISC_1_1CBitmap.html#a27">02679</a> <font class="keywordtype">void</font>    CBitmap::rot90CW()
02680 {
02681         <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBitmap.html#m0">PixelFormat</a> != <a class="code" href="classNLMISC_1_1CBitmap.html#s11s0">RGBA</a>)
02682                 <font class="keywordflow">return</font>;
02683         sint32 nWidth = <a class="code" href="classNLMISC_1_1CBitmap.html#a6">getWidth</a>(0);
02684         sint32 nHeight = <a class="code" href="classNLMISC_1_1CBitmap.html#a7">getHeight</a>(0);
02685         sint32 i, j;
02686         <a class="code" href="classNLMISC_1_1CRGBA.html">NLMISC::CRGBA</a> *pSrcRgba = (<a class="code" href="classNLMISC_1_1CRGBA.html">NLMISC::CRGBA</a>*)&amp;<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[0][0];
02687         <font class="keywordtype">bool</font> needRebuild = <font class="keyword">false</font>;
02688 
02689         <font class="keywordflow">if</font>(<a class="code" href="classNLMISC_1_1CBitmap.html#n1">_MipMapCount</a>&gt;1)
02690                 needRebuild = <font class="keyword">true</font>;
02691         <a class="code" href="classNLMISC_1_1CBitmap.html#a12">releaseMipMaps</a>();
02692 
02693         std::vector&lt;uint8&gt; pDestui;
02694         pDestui.resize(nWidth*nHeight*4);
02695         <a class="code" href="classNLMISC_1_1CRGBA.html">NLMISC::CRGBA</a> *pDestRgba = (<a class="code" href="classNLMISC_1_1CRGBA.html">NLMISC::CRGBA</a>*)&amp;pDestui[0];
02696 
02697         <font class="keywordflow">for</font>( j = 0; j &lt; nHeight; ++j )
02698         <font class="keywordflow">for</font>( i = 0; i &lt; nWidth;  ++i )
02699                 pDestRgba[j+i*nHeight] = pSrcRgba[i+(nHeight-1-j)*nWidth];
02700 
02701         uint32 nTemp = <a class="code" href="classNLMISC_1_1CBitmap.html#n3">_Width</a>;
02702         <a class="code" href="classNLMISC_1_1CBitmap.html#n3">_Width</a> = <a class="code" href="classNLMISC_1_1CBitmap.html#n4">_Height</a>;
02703         <a class="code" href="classNLMISC_1_1CBitmap.html#n4">_Height</a> = nTemp;
02704 
02705         <a class="code" href="namespaceNLMISC.html#a222">NLMISC::contReset</a>(<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[0]); <font class="comment">// free memory</font>
02706         <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[0] =  pDestui;
02707         <font class="comment">// Rebuilding mipmaps</font>
02708         <font class="keywordflow">if</font>(needRebuild)
02709         {
02710                 <a class="code" href="classNLMISC_1_1CBitmap.html#a11">buildMipMaps</a>();
02711         }
02712 }
02713 
<a name="l02714"></a><a class="code" href="classNLMISC_1_1CBitmap.html#a28">02714</a> <font class="keywordtype">void</font>    CBitmap::rot90CCW()
02715 {
02716         <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBitmap.html#m0">PixelFormat</a> != <a class="code" href="classNLMISC_1_1CBitmap.html#s11s0">RGBA</a>)
02717                 <font class="keywordflow">return</font>;
02718         sint32 nWidth = <a class="code" href="classNLMISC_1_1CBitmap.html#a6">getWidth</a>(0);
02719         sint32 nHeight = <a class="code" href="classNLMISC_1_1CBitmap.html#a7">getHeight</a>(0);
02720         sint32 i, j;
02721         <a class="code" href="classNLMISC_1_1CRGBA.html">NLMISC::CRGBA</a> *pSrcRgba = (<a class="code" href="classNLMISC_1_1CRGBA.html">NLMISC::CRGBA</a>*)&amp;<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[0][0];
02722         <font class="keywordtype">bool</font> needRebuild = <font class="keyword">false</font>;
02723 
02724         <font class="keywordflow">if</font>(<a class="code" href="classNLMISC_1_1CBitmap.html#n1">_MipMapCount</a>&gt;1)
02725                 needRebuild = <font class="keyword">true</font>;
02726         <a class="code" href="classNLMISC_1_1CBitmap.html#a12">releaseMipMaps</a>();
02727 
02728         std::vector&lt;uint8&gt; pDestui;
02729         pDestui.resize(nWidth*nHeight*4);
02730         <a class="code" href="classNLMISC_1_1CRGBA.html">NLMISC::CRGBA</a> *pDestRgba = (<a class="code" href="classNLMISC_1_1CRGBA.html">NLMISC::CRGBA</a>*)&amp;pDestui[0];
02731 
02732         <font class="keywordflow">for</font>( j = 0; j &lt; nHeight; ++j )
02733         <font class="keywordflow">for</font>( i = 0; i &lt; nWidth;  ++i )
02734                 pDestRgba[j+i*nHeight] = pSrcRgba[nWidth-1-i+j*nWidth];
02735 
02736         uint32 nTemp = <a class="code" href="classNLMISC_1_1CBitmap.html#n3">_Width</a>;
02737         <a class="code" href="classNLMISC_1_1CBitmap.html#n3">_Width</a> = <a class="code" href="classNLMISC_1_1CBitmap.html#n4">_Height</a>;
02738         <a class="code" href="classNLMISC_1_1CBitmap.html#n4">_Height</a> = nTemp;
02739 
02740         <a class="code" href="namespaceNLMISC.html#a222">NLMISC::contReset</a>(<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[0]); <font class="comment">// free memory</font>
02741         <a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[0] =  pDestui;
02742         <font class="comment">// Rebuilding mipmaps</font>
02743         <font class="keywordflow">if</font>(needRebuild)
02744         {
02745                 <a class="code" href="classNLMISC_1_1CBitmap.html#a11">buildMipMaps</a>();
02746         }
02747 }
02748 
02749 <font class="comment">//===========================================================================</font>
02750 
<a name="l02751"></a><a class="code" href="classNLMISC_1_1CBitmap.html#a29">02751</a> <font class="keywordtype">void</font> CBitmap::blend(<font class="keyword">const</font> CBitmap &amp;Bm0, <font class="keyword">const</font> CBitmap &amp;Bm1, uint16 factor)
02752 {
02753         <a class="code" href="debug_8h.html#a6">nlassert</a>(factor &lt;= 256);
02754 
02755         <a class="code" href="debug_8h.html#a6">nlassert</a>(Bm0._Width != 0 &amp;&amp; Bm0._Height != 0
02756                          &amp;&amp; Bm1._Width != 0 &amp;&amp; Bm1._Height != 0);
02757 
02758         <a class="code" href="debug_8h.html#a6">nlassert</a>(Bm0._Width  == Bm1._Width);    <font class="comment">// the bitmap should have the same size</font>
02759         <a class="code" href="debug_8h.html#a6">nlassert</a>(Bm0._Height == Bm1._Height);
02760 
02761         <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CBitmap.html#a0">CBitmap</a> *nBm0, *nBm1; <font class="comment">// pointer to the bitmap that is used for blending, or to a copy is a conversion wa required</font>
02762 
02763         <a class="code" href="classNLMISC_1_1CBitmap.html#a0">CBitmap</a> cp0, cp1; <font class="comment">// these bitmap are copies of Bm1 and Bm0 if a conversion was needed</font>
02764 
02765         <font class="keywordflow">if</font> (Bm0.PixelFormat != <a class="code" href="classNLMISC_1_1CBitmap.html#s11s0">RGBA</a>)
02766         {
02767                 cp0 = Bm0;
02768                 cp0.convertToRGBA();
02769                 nBm0 = &amp;cp0;
02770         }
02771         <font class="keywordflow">else</font>
02772         {
02773                 nBm0 = &amp;Bm0;
02774         }
02775 
02776 
02777         <font class="keywordflow">if</font> (Bm1.PixelFormat != <a class="code" href="classNLMISC_1_1CBitmap.html#s11s0">RGBA</a>)
02778         {
02779                 cp1 = Bm1;
02780                 cp1.convertToRGBA();
02781                 nBm1 = &amp;cp1;
02782         }
02783         <font class="keywordflow">else</font>
02784         {
02785                 nBm1 = &amp;Bm1;
02786         }
02787 
02788         this-&gt;<a class="code" href="classNLMISC_1_1CBitmap.html#a15">resize</a>(Bm0._Width, Bm0._Height, <a class="code" href="classNLMISC_1_1CBitmap.html#s11s0">RGBA</a>);
02789 
02790         <font class="keyword">const</font>  uint numPix = <a class="code" href="classNLMISC_1_1CBitmap.html#n3">_Width</a> * <a class="code" href="classNLMISC_1_1CBitmap.html#n4">_Height</a>; <font class="comment">// 4 component per pixels</font>
02791 
02792 
02793         <font class="keyword">const</font> uint8 *src0               = &amp;(nBm0-&gt;_Data[0][0]);
02794         <font class="keyword">const</font> uint8 *src1               = &amp;(nBm1-&gt;_Data[0][0]);
02795         uint8 *dest                             = &amp;(this-&gt;<a class="code" href="classNLMISC_1_1CBitmap.html#n0">_Data</a>[0][0]);
02796         uint8 *endPix                   = dest + (numPix &lt;&lt; 2);
02797 
02798 
02799         uint blendFact    = (uint) factor;
02800         uint invblendFact = 256 - blendFact;
02801 
02802         <font class="keywordflow">do</font>
02803         {
02805                 *dest = (uint8) (((blendFact * *src1)           + (invblendFact * *src0)) &gt;&gt; 8);
02806                 *(dest + 1) = (uint8) (((blendFact * *(src1 + 1)) + (invblendFact * *(src0 + 1))) &gt;&gt; 8);
02807                 *(dest + 2) = (uint8) (((blendFact * *(src1 + 2)) + (invblendFact * *(src0 + 2))) &gt;&gt; 8);
02808                 *(dest + 3)  = (uint8) (((blendFact * *(src1 + 3)) + (invblendFact * *(src0 + 3))) &gt;&gt; 8);
02809 
02810                 src0 = src0 + 4;
02811                 src1 = src1 + 4;
02812                 dest = dest + 4;        
02813         }
02814         <font class="keywordflow">while</font> (dest != endPix);
02815 }
02816 
02817 
02818 
02819 <font class="comment">//-----------------------------------------------</font>
02820 CRGBA CBitmap::getRGBAPixel(sint <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>, sint <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>, uint32 numMipMap <font class="comment">/*=0*/</font>)<font class="keyword"> const</font>
02821 <font class="keyword"></font>{
02822         uint <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a> = <a class="code" href="classNLMISC_1_1CBitmap.html#a6">getWidth</a>(numMipMap);
02823         uint h = <a class="code" href="classNLMISC_1_1CBitmap.html#a7">getHeight</a>(numMipMap);
02824         <font class="keywordflow">if</font> (<a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a> == 0 || (uint) <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a> &gt;= <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a> || (uint) <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a> &gt;= h) <font class="keywordflow">return</font> CRGBA::Black; <font class="comment">// include negative cases</font>
02825         <font class="keyword">const</font> uint8 *pix = &amp;<a class="code" href="classNLMISC_1_1CBitmap.html#z277_0">getPixels</a>(numMipMap)[(<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a> + <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a> * <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>) &lt;&lt; 2];
02826         <font class="keywordflow">return</font> CRGBA(pix[0], pix[1], pix[2], pix[3]);
02827 }
02828 
02829 <font class="comment">//-----------------------------------------------</font>
<a name="l02830"></a><a class="code" href="classNLMISC_1_1CBitmap.html#z276_3">02830</a> CRGBA CBitmap::getDXTCColorFromBlock(<font class="keyword">const</font> uint8 *block, sint <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>, sint <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>)
02831 {
02832         uint16  col0;
02833         uint16  col1;
02834         memcpy(&amp;col0, block, <font class="keyword">sizeof</font>(uint16));
02835         memcpy(&amp;col1, block + 2, <font class="keyword">sizeof</font>(uint16));
02836         uint    colIndex = (block[4 + (<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a> &amp; 3)] &gt;&gt; ((<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a> &amp; 3) &lt;&lt; 1)) &amp; 3;
02837         CRGBA   result, c0, c1;
02838         <font class="keywordflow">if</font> (col0 &gt; col1)
02839         {       
02840                 <font class="keywordflow">switch</font>(colIndex)
02841                 {
02842                         <font class="keywordflow">case</font> 0:
02843                                 <a class="code" href="classNLMISC_1_1CBitmap.html#f0">uncompress</a>(col0, result);                               
02844                         <font class="keywordflow">break</font>;
02845                         <font class="keywordflow">case</font> 1:
02846                                 <a class="code" href="classNLMISC_1_1CBitmap.html#f0">uncompress</a>(col1, result);
02847                         <font class="keywordflow">break</font>;
02848                         <font class="keywordflow">case</font> 2:
02849                                 <a class="code" href="classNLMISC_1_1CBitmap.html#f0">uncompress</a>(col0, c0);
02850                                 <a class="code" href="classNLMISC_1_1CBitmap.html#f0">uncompress</a>(col1, c1);
02851                                 result.blendFromui(c0, c1, 85);
02852                         <font class="keywordflow">break</font>;
02853                         <font class="keywordflow">case</font> 3:
02854                                 <a class="code" href="classNLMISC_1_1CBitmap.html#f0">uncompress</a>(col0, c0);
02855                                 <a class="code" href="classNLMISC_1_1CBitmap.html#f0">uncompress</a>(col1, c1);
02856                                 result.blendFromui(c0, c1, 171);
02857                         <font class="keywordflow">break</font>;
02858                 }
02859                 result.A = 255;
02860         }
02861         <font class="keywordflow">else</font>
02862         {
02863                 <font class="keywordflow">switch</font>(colIndex)
02864                 {
02865                         <font class="keywordflow">case</font> 0:
02866                                 <a class="code" href="classNLMISC_1_1CBitmap.html#f0">uncompress</a>(col0, result);
02867                                 result.A = 255;
02868                         <font class="keywordflow">break</font>;
02869                         <font class="keywordflow">case</font> 1:
02870                                 <a class="code" href="classNLMISC_1_1CBitmap.html#f0">uncompress</a>(col1, result);
02871                                 result.A = 255;
02872                         <font class="keywordflow">break</font>;
02873                         <font class="keywordflow">case</font> 2:
02874                                 <a class="code" href="classNLMISC_1_1CBitmap.html#f0">uncompress</a>(col0, c0);
02875                                 <a class="code" href="classNLMISC_1_1CBitmap.html#f0">uncompress</a>(col1, c1);
02876                                 result.blendFromui(c0, c1, 128);
02877                                 result.A = 255;
02878                         <font class="keywordflow">break</font>;
02879                         <font class="keywordflow">case</font> 3:
02880                                 result.set(0, 0, 0, 0);                         
02881                         <font class="keywordflow">break</font>;
02882                 }
02883         }       
02884         <font class="keywordflow">return</font> result;
02885 }
02886 
02887 <font class="comment">//-----------------------------------------------</font>
<a name="l02888"></a><a class="code" href="classNLMISC_1_1CBitmap.html#z276_0">02888</a> CRGBA CBitmap::getDXTC1Texel(sint <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>, sint <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>, uint32 numMipMap)<font class="keyword"> const</font>
02889 <font class="keyword"></font>{
02890         uint <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a> = <a class="code" href="classNLMISC_1_1CBitmap.html#a6">getWidth</a>(numMipMap);
02891         uint h = <a class="code" href="classNLMISC_1_1CBitmap.html#a7">getHeight</a>(numMipMap);
02892         <font class="keywordflow">if</font> (<a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a> == 0 || h == 0 || (uint) <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a> &gt;= <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a> || (uint) <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a> &gt;= h) <font class="keywordflow">return</font> CRGBA::Black; <font class="comment">// include negative cases  </font>
02893         uint numRowBlocks   = std::max((<a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a> + 3) &gt;&gt; 2, 1u);
02894         <font class="keyword">const</font> uint8 *pix    = &amp;<a class="code" href="classNLMISC_1_1CBitmap.html#z277_0">getPixels</a>(numMipMap)[0];
02895         <font class="keyword">const</font> uint8 *block  = pix + ((<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a> &gt;&gt; 2) * (numRowBlocks &lt;&lt; 3) + ((x &gt;&gt; 2) &lt;&lt; 3)); 
02896         <font class="keywordflow">return</font> <a class="code" href="classNLMISC_1_1CBitmap.html#z276_3">getDXTCColorFromBlock</a>(block, <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>);
02897 }
02898 
02899 
02900 <font class="comment">//-----------------------------------------------</font>
<a name="l02901"></a><a class="code" href="classNLMISC_1_1CBitmap.html#z276_1">02901</a> CRGBA CBitmap::getDXTC3Texel(sint <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>, sint <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>, uint32 numMipMap)<font class="keyword"> const</font>
02902 <font class="keyword"></font>{
02903         uint <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a> = <a class="code" href="classNLMISC_1_1CBitmap.html#a6">getWidth</a>(numMipMap);
02904         uint h = <a class="code" href="classNLMISC_1_1CBitmap.html#a7">getHeight</a>(numMipMap);
02905         <font class="keywordflow">if</font> (<a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a> == 0 || h == 0 || (uint) <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a> &gt;= <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a> || (uint) <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a> &gt;= h) <font class="keywordflow">return</font> CRGBA::Black; <font class="comment">// include negative cases  </font>
02906         uint numRowBlocks   = std::max((<a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a> + 3) &gt;&gt; 2, 1u);
02907         <font class="keyword">const</font> uint8 *pix    = &amp;<a class="code" href="classNLMISC_1_1CBitmap.html#z277_0">getPixels</a>(numMipMap)[0];
02908         <font class="keyword">const</font> uint8 *block  = pix + ((<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a> &gt;&gt; 2) * (numRowBlocks &lt;&lt; 4) + ((x &gt;&gt; 2) &lt;&lt; 4)); 
02909         CRGBA result = <a class="code" href="classNLMISC_1_1CBitmap.html#z276_3">getDXTCColorFromBlock</a>(block + 8, <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>);
02910         <font class="comment">// get alpha part</font>
02911         uint8 alphaByte = block[((<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a> &amp; 3) &lt;&lt; 1) + ((<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a> &amp; 2) &gt;&gt; 1)];
02912         result.A = (<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a> &amp; 1) ?  (alphaByte &amp; 0xf0) : (alphaByte &lt;&lt; 4);
02913         <font class="keywordflow">return</font> result;
02914 }
02915 
02916 <font class="comment">//-----------------------------------------------</font>
<a name="l02917"></a><a class="code" href="classNLMISC_1_1CBitmap.html#z276_2">02917</a> CRGBA CBitmap::getDXTC5Texel(sint <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>, sint <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>, uint32 numMipMap)<font class="keyword"> const</font>
02918 <font class="keyword"></font>{
02919         uint <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a> = <a class="code" href="classNLMISC_1_1CBitmap.html#a6">getWidth</a>(numMipMap);
02920         uint h = <a class="code" href="classNLMISC_1_1CBitmap.html#a7">getHeight</a>(numMipMap);
02921         <font class="keywordflow">if</font> (<a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a> == 0 || h == 0 || (uint) <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a> &gt;= <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a> || (uint) <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a> &gt;= h) <font class="keywordflow">return</font> CRGBA::Black; <font class="comment">// include negative cases  </font>
02922         uint numRowBlocks   = std::max((<a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a> + 3) &gt;&gt; 2, 1u);
02923         <font class="keyword">const</font> uint8 *pix    = &amp;<a class="code" href="classNLMISC_1_1CBitmap.html#z277_0">getPixels</a>(numMipMap)[0];
02924         <font class="keyword">const</font> uint8 *block  = pix + ((<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a> &gt;&gt; 2) * (numRowBlocks &lt;&lt; 4) + ((x &gt;&gt; 2) &lt;&lt; 4)); 
02925         CRGBA result = <a class="code" href="classNLMISC_1_1CBitmap.html#z276_3">getDXTCColorFromBlock</a>(block + 8, <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>);
02926         <font class="comment">// get alpha part</font>
02927         uint8 alpha0 = block[0];
02928         uint8 alpha1 = block[1];
02929         
02930         uint alphaIndex;
02931         uint tripletIndex = (<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a> &amp; 3) + ((<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a> &amp; 3) &lt;&lt; 2);
02932         <font class="keywordflow">if</font> (tripletIndex &lt; 8)
02933         {
02934                 alphaIndex = (((uint32 &amp;) block[2]) &gt;&gt; (tripletIndex * 3)) &amp; 7;
02935         }
02936         <font class="keywordflow">else</font>
02937         {
02938                 alphaIndex = (((uint32 &amp;) block[5]) &gt;&gt; ((tripletIndex - 8) * 3)) &amp; 7; <font class="comment">// we can read a dword there because there are color datas following he alpha datas</font>
02939         }
02940 
02941         <font class="keywordflow">if</font> (alpha0 &gt; alpha1)
02942         {
02943                 <font class="keywordflow">switch</font> (alphaIndex)
02944                 {
02945                         <font class="keywordflow">case</font> 0: result.A = alpha0; <font class="keywordflow">break</font>;
02946                         <font class="keywordflow">case</font> 1: result.A = alpha1; <font class="keywordflow">break</font>;
02947                         <font class="keywordflow">case</font> 2: result.A = (uint8) ((6 * (uint) alpha0 + (uint) alpha1) / 7); <font class="keywordflow">break</font>;
02948                         <font class="keywordflow">case</font> 3: result.A = (uint8) ((5 * (uint) alpha0 + 2 * (uint) alpha1) / 7); <font class="keywordflow">break</font>;
02949                         <font class="keywordflow">case</font> 4: result.A = (uint8) ((4 * (uint) alpha0 + 3 * (uint) alpha1) / 7); <font class="keywordflow">break</font>;
02950                         <font class="keywordflow">case</font> 5: result.A = (uint8) ((3 * (uint) alpha0 + 4 * (uint) alpha1) / 7); <font class="keywordflow">break</font>;
02951                         <font class="keywordflow">case</font> 6: result.A = (uint8) ((2 * (uint) alpha0 + 5 * (uint) alpha1) / 7); <font class="keywordflow">break</font>;
02952                         <font class="keywordflow">case</font> 7: result.A = (uint8) (((uint) alpha0 + (uint) 6 * alpha1) / 7); <font class="keywordflow">break</font>;
02953                 }
02954         }
02955         <font class="keywordflow">else</font>
02956         {
02957                 <font class="keywordflow">switch</font> (alphaIndex)
02958                 {
02959                         <font class="keywordflow">case</font> 0: result.A = alpha0; <font class="keywordflow">break</font>;
02960                         <font class="keywordflow">case</font> 1: result.A = alpha1; <font class="keywordflow">break</font>;
02961                         <font class="keywordflow">case</font> 2: result.A = (uint8) ((4 * (uint) alpha0 + (uint) alpha1) / 5); <font class="keywordflow">break</font>;
02962                         <font class="keywordflow">case</font> 3: result.A = (uint8) ((3 * (uint) alpha0 + 2 * (uint) alpha1) / 5); <font class="keywordflow">break</font>;
02963                         <font class="keywordflow">case</font> 4: result.A = (uint8) ((2 * (uint) alpha0 + 3 * (uint) alpha1) / 5); <font class="keywordflow">break</font>;
02964                         <font class="keywordflow">case</font> 5: result.A = (uint8) (((uint) alpha0 + 4 * (uint) alpha1) / 5); <font class="keywordflow">break</font>;
02965                         <font class="keywordflow">case</font> 6: result.A = 0;   <font class="keywordflow">break</font>;
02966                         <font class="keywordflow">case</font> 7: result.A = 255; <font class="keywordflow">break</font>;
02967                 }
02968         }
02969         <font class="keywordflow">return</font> result;  
02970 }
02971 
02972 
02973 <font class="comment">//-----------------------------------------------</font>
<a name="l02974"></a><a class="code" href="classNLMISC_1_1CBitmap.html#a24">02974</a> CRGBA CBitmap::getPixelColor(sint <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>, sint <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>, uint32 numMipMap <font class="comment">/*=0*/</font>)<font class="keyword"> const</font>
02975 <font class="keyword"></font>{
02976         
02977         <font class="keywordflow">switch</font> (PixelFormat)
02978         {
02979                 <font class="keywordflow">case</font> <a class="code" href="classNLMISC_1_1CBitmap.html#s11s0">RGBA</a>:      
02980                         <font class="keywordflow">return</font> getRGBAPixel(<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>, numMipMap);           
02981                 <font class="keywordflow">case</font> <a class="code" href="classNLMISC_1_1CBitmap.html#s11s4">DXTC1</a>:
02982                 <font class="keywordflow">case</font> <a class="code" href="classNLMISC_1_1CBitmap.html#s11s5">DXTC1Alpha</a>: 
02983                         <font class="keywordflow">return</font> <a class="code" href="classNLMISC_1_1CBitmap.html#z276_0">getDXTC1Texel</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>, numMipMap);
02984                 <font class="keywordflow">case</font> <a class="code" href="classNLMISC_1_1CBitmap.html#s11s6">DXTC3</a>:
02985                         <font class="keywordflow">return</font> <a class="code" href="classNLMISC_1_1CBitmap.html#z276_1">getDXTC3Texel</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>, numMipMap);
02986                 <font class="keywordflow">case</font> <a class="code" href="classNLMISC_1_1CBitmap.html#s11s7">DXTC5</a>:
02987                         <font class="keywordflow">return</font> <a class="code" href="classNLMISC_1_1CBitmap.html#z276_2">getDXTC5Texel</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>, numMipMap);
02988                 <font class="keywordflow">default</font>:
02989                         <a class="code" href="debug_8h.html#a12">nlstop</a>;
02990                 <font class="keywordflow">break</font>;
02991         }
02992         <font class="keywordflow">return</font> CRGBA::Black;
02993 }
02994 
02995 
02996 } <font class="comment">// NLMISC</font>
</pre></div>

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