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doxygen="_cgi:http://www.nevrax.org/cgi-bin/nel-search.cgi" href="http://www.nevrax.org/cgi-bin/nel-search.cgi">Search</a> </center> +<hr><h1>texture_file.cpp</h1><a href="texture__file_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001 +00007 <font class="comment">/* Copyright, 2000 Nevrax Ltd.</font> +00008 <font class="comment"> *</font> +00009 <font class="comment"> * This file is part of NEVRAX NEL.</font> +00010 <font class="comment"> * NEVRAX NEL is free software; you can redistribute it and/or modify</font> +00011 <font class="comment"> * it under the terms of the GNU General Public License as published by</font> +00012 <font class="comment"> * the Free Software Foundation; either version 2, or (at your option)</font> +00013 <font class="comment"> * any later version.</font> +00014 <font class="comment"></font> +00015 <font class="comment"> * NEVRAX NEL is distributed in the hope that it will be useful, but</font> +00016 <font class="comment"> * WITHOUT ANY WARRANTY; without even the implied warranty of</font> +00017 <font class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</font> +00018 <font class="comment"> * General Public License for more details.</font> +00019 <font class="comment"></font> +00020 <font class="comment"> * You should have received a copy of the GNU General Public License</font> +00021 <font class="comment"> * along with NEVRAX NEL; see the file COPYING. If not, write to the</font> +00022 <font class="comment"> * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,</font> +00023 <font class="comment"> * MA 02111-1307, USA.</font> +00024 <font class="comment"> */</font> +00025 +00026 <font class="preprocessor">#include "<a class="code" href="std3d_8h.html">std3d.h</a>"</font> +00027 +00028 <font class="preprocessor">#include "<a class="code" href="texture__file_8h.html">3d/texture_file.h</a>"</font> +00029 <font class="preprocessor">#include "<a class="code" href="file_8h.html">nel/misc/file.h</a>"</font> +00030 <font class="preprocessor">#include "<a class="code" href="path_8h.html">nel/misc/path.h</a>"</font> +00031 <font class="preprocessor">#include "<a class="code" href="debug_8h.html">nel/misc/debug.h</a>"</font> +00032 <font class="keyword">using</font> <font class="keyword">namespace </font>std; +00033 <font class="keyword">using</font> <font class="keyword">namespace </font>NLMISC; +00034 +00035 +00036 <font class="keyword">namespace </font>NL3D +00037 { +00038 +00039 +<a name="l00041"></a><a class="code" href="classNL3D_1_1CTextureFile.html#d0">00041</a> <font class="keywordtype">void</font> CTextureFile::buildBitmapFromFile(<a class="code" href="classNLMISC_1_1CBitmap.html">NLMISC::CBitmap</a> &dest, <font class="keyword">const</font> std::string &fileName, <font class="keywordtype">bool</font> asyncload, uint8 mipMapSkip) +00042 { +00043 <a class="code" href="classNLMISC_1_1CIFile.html">NLMISC::CIFile</a> f; +00044 <font class="comment">//nldebug(_FileName.c_str());</font> +00045 <font class="keywordflow">try</font> +00046 { +00047 string <a class="code" href="cf__lexical_8cpp.html#a95">file</a> = CPath::lookup(fileName); +00048 f.<a class="code" href="classNLMISC_1_1CIFile.html#a6">setAsyncLoading</a> (asyncload); +00049 f.<a class="code" href="classNLMISC_1_1CIFile.html#a4">setCacheFileOnOpen</a> (asyncload); +00050 +00051 <font class="comment">// if mipmap skip, must not cache, because don't have to load all!!</font> +00052 <font class="keywordflow">if</font>(asyncload && mipMapSkip>0) +00053 { +00054 f.<a class="code" href="classNLMISC_1_1CIFile.html#a4">setCacheFileOnOpen</a> (<font class="keyword">false</font>); +00055 f.<a class="code" href="classNLMISC_1_1CIFile.html#a5">allowBNPCacheFileOnOpen</a>(<font class="keyword">false</font>); +00056 } +00057 +00058 <font class="comment">// Load bitmap.</font> +00059 <font class="keywordflow">if</font> (f.<a class="code" href="classNLMISC_1_1CIFile.html#a3">open</a>(<a class="code" href="cf__lexical_8cpp.html#a95">file</a>)) +00060 { +00061 <font class="comment">// skip DDS mipmap if wanted</font> +00062 dest.<a class="code" href="classNLMISC_1_1CBitmap.html#a2">load</a> (f, mipMapSkip); +00063 } +00064 <font class="keywordflow">else</font> <font class="keywordflow">throw</font> EPathNotFound(fileName); +00065 +00066 <font class="comment">// *** Need usercolor computing ?</font> +00067 +00068 <font class="comment">// Texture not compressed ?</font> +00069 <font class="keywordflow">if</font> (dest.<a class="code" href="classNLMISC_1_1CBitmap.html#m0">PixelFormat</a> == <a class="code" href="classNLMISC_1_1CBitmap.html#s11s0">RGBA</a>) +00070 { +00071 <font class="comment">// Make a filename</font> +00072 string path = CFile::getFilename(fileName); +00073 string ext = strrchr (fileName.c_str(), <font class="charliteral">'.'</font>); +00074 path.resize (path.size () - ext.size()); +00075 path += <font class="stringliteral">"_usercolor"</font> + ext; +00076 +00077 <font class="comment">// Loopup the texture</font> +00078 string file2 = CPath::lookup( path, <font class="keyword">false</font>, <font class="keyword">false</font>); +00079 <font class="keywordflow">if</font> (!file2.empty()) +00080 { +00081 <font class="comment">// The file2 exist, load and compute it</font> +00082 <a class="code" href="classNLMISC_1_1CBitmap.html#a0">CBitmap</a> bitmap; +00083 bitmap.loadGrayscaleAsAlpha (<font class="keyword">true</font>); +00084 +00085 <font class="comment">// Open and read the file2</font> +00086 <a class="code" href="classNLMISC_1_1CIFile.html">NLMISC::CIFile</a> f2; +00087 f2.<a class="code" href="classNLMISC_1_1CIFile.html#a6">setAsyncLoading</a> (asyncload); +00088 f2.<a class="code" href="classNLMISC_1_1CIFile.html#a4">setCacheFileOnOpen</a> (asyncload); <font class="comment">// Same as async loading</font> +00089 <font class="keywordflow">if</font> (f2.<a class="code" href="classNLMISC_1_1CIFile.html#a3">open</a>(file2)) +00090 { +00091 bitmap.load(f2); +00092 } +00093 <font class="keywordflow">else</font> <font class="keywordflow">throw</font> EPathNotFound(file2); +00094 +00095 <font class="comment">// Texture are the same size ?</font> +00096 <font class="keywordflow">if</font> ((dest.<a class="code" href="classNLMISC_1_1CBitmap.html#a6">getWidth</a>() == bitmap.getWidth()) && (dest.<a class="code" href="classNLMISC_1_1CBitmap.html#a7">getHeight</a>() == bitmap.getHeight())) +00097 { +00098 <font class="comment">// Convert in Alpha</font> +00099 <font class="keywordflow">if</font> (bitmap.convertToType (CBitmap::Alpha)) +00100 { +00101 <font class="comment">// Compute it</font> +00102 uint8 *userColor = (uint8 *)&(bitmap.getPixels ()[0]); +00103 CRGBA *color = (CRGBA *)&(dest.<a class="code" href="classNLMISC_1_1CBitmap.html#z277_0">getPixels</a> ()[0]); +00104 +00105 <font class="comment">// For each pixel</font> +00106 uint pixelCount = dest.<a class="code" href="classNLMISC_1_1CBitmap.html#a6">getWidth</a>()*dest.<a class="code" href="classNLMISC_1_1CBitmap.html#a7">getHeight</a>(); +00107 uint pixel; +00108 <font class="keywordflow">for</font> (pixel = 0; pixel<pixelCount; pixel++) +00109 { +00110 <font class="keywordflow">if</font> (userColor[pixel]==0) +00111 { +00112 <font class="comment">// New code: use new restrictions from IDriver.</font> +00113 <font class="keywordtype">float</font> Rt, Gt, Bt, At; +00114 <font class="keywordtype">float</font> Lt; +00115 <font class="keywordtype">float</font> Rtm, Gtm, Btm, Atm; +00116 +00117 <font class="comment">// read 0-1 RGB pixel.</font> +00118 Rt= (float)color[pixel].R/255; +00119 Gt= (float)color[pixel].G/255; +00120 Bt= (float)color[pixel].B/255; +00121 Lt= Rt*0.3f + Gt*0.56f + Bt*0.14f; +00122 +00123 <font class="comment">// take Alpha from userColor src.</font> +00124 At= (float)userColor[pixel]/255; +00125 Atm= 1-Lt*(1-At); +00126 +00127 <font class="comment">// If normal case.</font> +00128 <font class="keywordflow">if</font>(Atm>0) +00129 { +00130 Rtm= Rt*At / Atm; +00131 Gtm= Gt*At / Atm; +00132 Btm= Bt*At / Atm; +00133 } +00134 <font class="comment">// Else special case: At==0, and Lt==1.</font> +00135 <font class="keywordflow">else</font> +00136 { +00137 Rtm= Gtm= Btm= 0; +00138 } +00139 +00140 <font class="comment">// copy to buffer.</font> +00141 sint <a class="code" href="driver__opengl__extension__def_8h.html#a385">r</a>,g,b,a; +00142 <a class="code" href="driver__opengl__extension__def_8h.html#a385">r</a>= (sint)(Rtm*255+0.5f); +00143 g= (sint)(Gtm*255+0.5f); +00144 b= (sint)(Btm*255+0.5f); +00145 a= (sint)(Atm*255+0.5f); +00146 <a class="code" href="namespaceNLMISC.html#a215">clamp</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a385">r</a>, 0,255); +00147 <a class="code" href="namespaceNLMISC.html#a215">clamp</a>(g, 0,255); +00148 <a class="code" href="namespaceNLMISC.html#a215">clamp</a>(b, 0,255); +00149 <a class="code" href="namespaceNLMISC.html#a215">clamp</a>(a, 0,255); +00150 color[pixel].R = (uint8)<a class="code" href="driver__opengl__extension__def_8h.html#a385">r</a>; +00151 color[pixel].G = (uint8)g; +00152 color[pixel].B = (uint8)b; +00153 color[pixel].A = (uint8)a; +00154 } +00155 } +00156 } +00157 <font class="keywordflow">else</font> +00158 { +00159 <a class="code" href="debug_8h.html#a1">nlinfo</a> (<font class="stringliteral">"Can't convert the usercolor texture %s in alpha mode"</font>, file2.c_str()); +00160 } +00161 } +00162 <font class="keywordflow">else</font> +00163 { +00164 <font class="comment">// Error</font> +00165 <a class="code" href="debug_8h.html#a1">nlinfo</a> (<font class="stringliteral">"User color texture is not the same size than the texture. (Tex : %s, Usercolor : %s)"</font>, <a class="code" href="cf__lexical_8cpp.html#a95">file</a>.c_str(), file2.c_str()); +00166 } +00167 } +00168 } +00169 } +00170 <font class="keywordflow">catch</font>(EPathNotFound &e) +00171 { +00172 <font class="comment">// Not found...</font> +00173 dest.<a class="code" href="classNLMISC_1_1CBitmap.html#a3">makeDummy</a>(); +00174 <a class="code" href="debug_8h.html#a2">nlwarning</a>(<font class="stringliteral">"Missing textureFile: %s (%s)"</font>, fileName.c_str(), e.what()); +00175 } +00176 } +00177 +00178 +00179 <font class="comment">/*==================================================================*\</font> +00180 <font class="comment"> CTEXTUREFILE</font> +00181 <font class="comment">\*==================================================================*/</font> +00182 +00183 <font class="comment">/*------------------------------------------------------------------*\</font> +00184 <font class="comment"> doGenerate()</font> +00185 <font class="comment">\*------------------------------------------------------------------*/</font> +<a name="l00186"></a><a class="code" href="classNL3D_1_1CTextureFile.html#a11">00186</a> <font class="keywordtype">void</font> CTextureFile::doGenerate() +00187 { +00188 <a class="code" href="classNL3D_1_1CTextureFile.html#d0">buildBitmapFromFile</a>(*<font class="keyword">this</font>, <a class="code" href="classNL3D_1_1CTextureFile.html#o0">_FileName</a>, <a class="code" href="classNL3D_1_1CTextureFile.html#o2">_AsyncLoading</a>, <a class="code" href="classNL3D_1_1CTextureFile.html#o4">_MipMapSkipAtLoad</a>); +00189 } +00190 +00191 <font class="comment">// ***************************************************************************</font> +<a name="l00192"></a><a class="code" href="classNL3D_1_1CTextureFile.html#a12">00192</a> <font class="keywordtype">void</font> CTextureFile::setAsyncLoading (<font class="keywordtype">bool</font> isAsync) +00193 { +00194 <a class="code" href="classNL3D_1_1CTextureFile.html#o2">_AsyncLoading</a> = isAsync; +00195 } +00196 +00197 +00198 <font class="comment">// ***************************************************************************</font> +<a name="l00199"></a><a class="code" href="classNL3D_1_1CTextureFile.html#a13">00199</a> <font class="keywordtype">void</font> CTextureFile::serial(<a class="code" href="classNLMISC_1_1IStream.html">NLMISC::IStream</a> &f) <font class="keywordflow">throw</font>(NLMISC::EStream) +00200 { +00201 <font class="comment">/*</font> +00202 <font class="comment"> Version 1:</font> +00203 <font class="comment"> - AllowDegradation.</font> +00204 <font class="comment"> Version 0:</font> +00205 <font class="comment"> - base version.</font> +00206 <font class="comment"> */</font> +00207 sint ver= f.serialVersion(1); +00208 +00209 <font class="comment">// serial the base part of ITexture.</font> +00210 ITexture::serial(f); +00211 +00212 f.serial(_FileName); +00213 <font class="keywordflow">if</font>(ver>=1) +00214 f.serial(_AllowDegradation); +00215 <font class="keywordflow">else</font> <font class="keywordflow">if</font>(f.isReading()) +00216 _AllowDegradation= <font class="keyword">true</font>; +00217 +00218 <font class="keywordflow">if</font>(f.isReading()) +00219 touch(); +00220 } +00221 +00222 +00223 <font class="comment">// ***************************************************************************</font> +<a name="l00224"></a><a class="code" href="classNL3D_1_1CTextureFile.html#a7">00224</a> <font class="keywordtype">void</font> CTextureFile::setAllowDegradation(<font class="keywordtype">bool</font> allow) +00225 { +00226 <a class="code" href="classNL3D_1_1CTextureFile.html#o1">_AllowDegradation</a>= allow; +00227 } +00228 +00229 <font class="comment">// ***************************************************************************</font> +<a name="l00230"></a><a class="code" href="classNL3D_1_1CTextureFile.html#a1">00230</a> CTextureFile::CTextureFile(<font class="keyword">const</font> CTextureFile &other) : ITexture(other) +00231 { +00232 <a class="code" href="classNL3D_1_1CTextureFile.html#c0">dupInfo</a>(other); +00233 } +00234 +00235 <font class="comment">// ***************************************************************************</font> +<a name="l00236"></a><a class="code" href="classNL3D_1_1CTextureFile.html#a2">00236</a> CTextureFile &CTextureFile::operator = (<font class="keyword">const</font> CTextureFile &other) +00237 { +00238 <font class="comment">// copy base infos</font> +00239 (<a class="code" href="classNL3D_1_1ITexture.html#z825_0">ITexture</a> &) *<font class="keyword">this</font> = (<a class="code" href="classNL3D_1_1ITexture.html#z825_0">ITexture</a> &) other; +00240 <a class="code" href="classNL3D_1_1CTextureFile.html#c0">dupInfo</a>(other); +00241 <font class="keywordflow">return</font> *<font class="keyword">this</font>; +00242 } +00243 +00244 <font class="comment">// ***************************************************************************</font> +<a name="l00245"></a><a class="code" href="classNL3D_1_1CTextureFile.html#c0">00245</a> <font class="keywordtype">void</font> CTextureFile::dupInfo(<font class="keyword">const</font> CTextureFile &other) +00246 { +00247 <a class="code" href="classNL3D_1_1CTextureFile.html#o0">_FileName</a> = other._FileName; +00248 <a class="code" href="classNL3D_1_1CTextureFile.html#o2">_AsyncLoading</a> = other._AsyncLoading; +00249 <a class="code" href="classNL3D_1_1CTextureFile.html#o1">_AllowDegradation</a> = other._AllowDegradation; +00250 <a class="code" href="classNL3D_1_1CTextureFile.html#o3">_SupportSharing</a> = other._SupportSharing; +00251 <a class="code" href="classNL3D_1_1CTextureFile.html#o4">_MipMapSkipAtLoad</a> = other._MipMapSkipAtLoad; +00252 } +00253 +00254 +00255 <font class="comment">// ***************************************************************************</font> +<a name="l00256"></a><a class="code" href="classNL3D_1_1CTextureFile.html#a10">00256</a> <font class="keywordtype">void</font> CTextureFile::enableSharing(<font class="keywordtype">bool</font> enable) +00257 { +00258 <a class="code" href="classNL3D_1_1CTextureFile.html#o3">_SupportSharing</a> = enable; +00259 } +00260 +00261 <font class="comment">// ***************************************************************************</font> +<a name="l00262"></a><a class="code" href="classNL3D_1_1CTextureFile.html#a15">00262</a> <font class="keywordtype">void</font> CTextureFile::setMipMapSkipAtLoad(uint8 <a class="code" href="driver__opengl__extension__def_8h.html#a387">level</a>) +00263 { +00264 <a class="code" href="classNL3D_1_1CTextureFile.html#o4">_MipMapSkipAtLoad</a>= <a class="code" href="driver__opengl__extension__def_8h.html#a387">level</a>; +00265 } +00266 +00267 <font class="comment">// ***************************************************************************</font> +<a name="l00268"></a><a class="code" href="classNL3D_1_1CTextureFile.html#a9">00268</a> std::string CTextureFile::getShareName()<font class="keyword"> const</font> +00269 <font class="keyword"></font>{ +00270 string ret= <a class="code" href="classNL3D_1_1CTextureFile.html#o0">_FileName</a>; +00271 strlwr(ret); +00272 <font class="keywordflow">return</font> ret; +00273 } +00274 +00275 +00276 } <font class="comment">// NL3D</font> +</pre></div> + +<!-- footer --> +<BR><FONT Size=+5> </FONT> +</TD> +<TD WIDTH=15><IMG SRC=http://www.nevrax.org/inc/img/pixel.gif WIDTH=15 HEIGHT=15 BORDER=0 ALT=""></TD> +</TR> +</TABLE> +</BODY> +</HTML> |