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authorneodarz <neodarz@neodarz.net>2018-08-11 20:21:34 +0200
committerneodarz <neodarz@neodarz.net>2018-08-11 20:21:34 +0200
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+<hr><h1>font_generator.cpp</h1><a href="font__generator_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 &lt;string&gt;</font>
+00029
+00030 <font class="preprocessor">#include "<a class="code" href="types__nl_8h.html">nel/misc/types_nl.h</a>"</font>
+00031 <font class="preprocessor">#include "<a class="code" href="debug_8h.html">nel/misc/debug.h</a>"</font>
+00032 <font class="preprocessor">#include "<a class="code" href="common_8h.html">nel/misc/common.h</a>"</font>
+00033 <font class="preprocessor">#include "<a class="code" href="path_8h.html">nel/misc/path.h</a>"</font>
+00034
+00035 <font class="preprocessor">#include "<a class="code" href="font__generator_8h.html">3d/font_generator.h</a>"</font>
+00036
+00037 <font class="keyword">using</font> <font class="keyword">namespace </font>std;
+00038
+00039 <font class="preprocessor">#ifndef NL_DONT_USE_EXTERNAL_CODE</font>
+00040 <font class="preprocessor"></font>
+00041 <font class="preprocessor">#include &lt;freetype/freetype.h&gt;</font>
+00042
+00043 <font class="comment">// for freetype 2.0</font>
+00044 <font class="preprocessor">#ifdef FTERRORS_H</font>
+00045 <font class="preprocessor"></font><font class="preprocessor">#undef FTERRORS_H</font>
+00046 <font class="preprocessor"></font><font class="preprocessor">#endif</font>
+00047 <font class="preprocessor"></font>
+00048 <font class="comment">// for freetype 2.0.1</font>
+00049 <font class="preprocessor">#ifdef __FTERRORS_H__</font>
+00050 <font class="preprocessor"></font><font class="preprocessor">#undef __FTERRORS_H__</font>
+00051 <font class="preprocessor"></font><font class="preprocessor">#endif</font>
+00052 <font class="preprocessor"></font>
+<a name="l00053"></a><a class="code" href="font__generator_8cpp.html#a0">00053</a> <font class="preprocessor">#define FT_ERRORDEF( e, v, s ) { e, s },</font>
+<a name="l00054"></a><a class="code" href="font__generator_8cpp.html#a1">00054</a> <font class="preprocessor"></font><font class="preprocessor">#define FT_ERROR_START_LIST {</font>
+<a name="l00055"></a><a class="code" href="font__generator_8cpp.html#a2">00055</a> <font class="preprocessor"></font><font class="preprocessor">#define FT_ERROR_END_LIST { 0, 0 } };</font>
+00056 <font class="preprocessor"></font>
+00057 <font class="keyword">const</font> <font class="keyword">struct</font>
+00058 <font class="keyword"></font>{
+<a name="l00059"></a><a class="code" href="font__generator_8cpp.html#a3">00059</a> <font class="keywordtype">int</font> <a class="code" href="font__generator_8cpp.html#a3">err_code</a>;
+<a name="l00060"></a><a class="code" href="font__generator_8cpp.html#a4">00060</a> <font class="keyword">const</font> <font class="keywordtype">char</font>* <a class="code" href="font__generator_8cpp.html#a4">err_msg</a>;
+00061 } <a class="code" href="font__generator_8cpp.html#a5">ft_errors</a>[] =
+00062
+00063 <font class="preprocessor">#include &lt;freetype/fterrors.h&gt;</font>
+00064
+00065 <font class="keyword">using</font> <font class="keyword">namespace </font>NLMISC;
+00066
+00067 <font class="keyword">namespace </font>NL3D {
+00068
+<a name="l00069"></a><a class="code" href="classNL3D_1_1CFontGenerator.html#r0">00069</a> FT_Library CFontGenerator::_Library;
+<a name="l00070"></a><a class="code" href="classNL3D_1_1CFontGenerator.html#r1">00070</a> <font class="keywordtype">bool</font> CFontGenerator::_LibraryInit = <font class="keyword">false</font>;
+00071
+00072
+<a name="l00073"></a><a class="code" href="classNL3D_1_1CFontGenerator.html#c0">00073</a> <font class="keyword">const</font> <font class="keywordtype">char</font> *CFontGenerator::getFT2Error(FT_Error fte)
+00074 {
+00075 NL_ALLOC_CONTEXT (FreeTyp);
+00076
+00077 <font class="keyword">static</font> <font class="keywordtype">char</font> ukn[1024];
+00078
+00079 <font class="keywordflow">for</font> (uint32 i = 0; <a class="code" href="font__generator_8cpp.html#a5">ft_errors</a>[i].err_code != 0 || <a class="code" href="font__generator_8cpp.html#a5">ft_errors</a>[i].err_msg != 0; i++)
+00080 {
+00081 <font class="keywordflow">if</font> (<a class="code" href="font__generator_8cpp.html#a5">ft_errors</a>[i].err_code == fte)
+00082 <font class="keywordflow">return</font> <a class="code" href="font__generator_8cpp.html#a5">ft_errors</a>[i].err_msg;
+00083 }
+00084 <a class="code" href="namespaceNLMISC.html#a211">smprintf</a> (ukn, 1024, <font class="stringliteral">"Unknown freetype2 error, errcode: 0x%x"</font>, fte);
+00085 <font class="keywordflow">return</font> ukn;
+00086 }
+00087
+00088
+00089
+00090 <font class="comment">/*</font>
+00091 <font class="comment"> * Constructor</font>
+00092 <font class="comment"> */</font>
+<a name="l00093"></a><a class="code" href="classNL3D_1_1CFontGenerator.html#a0">00093</a> CFontGenerator::CFontGenerator (<font class="keyword">const</font> std::string &amp;fontFileName, <font class="keyword">const</font> std::string &amp;fontExFileName)
+00094 {
+00095 NL_ALLOC_CONTEXT (FreeTyp);
+00096
+00097 FT_Error error;
+00098
+00099 <font class="keywordflow">if</font> (!<a class="code" href="classNL3D_1_1CFontGenerator.html#r1">_LibraryInit</a>)
+00100 {
+00101 error = FT_Init_FreeType (&amp;<a class="code" href="classNL3D_1_1CFontGenerator.html#r0">_Library</a>);
+00102 <font class="keywordflow">if</font> (error)
+00103 {
+00104 <a class="code" href="debug_8h.html#a3">nlerror</a> (<font class="stringliteral">"FT_Init_FreeType() failed: %s"</font>, <a class="code" href="classNL3D_1_1CFontGenerator.html#c0">getFT2Error</a>(error));
+00105 }
+00106 <a class="code" href="classNL3D_1_1CFontGenerator.html#r1">_LibraryInit</a> = <font class="keyword">true</font>;
+00107 }
+00108
+00109 error = FT_New_Face (<a class="code" href="classNL3D_1_1CFontGenerator.html#r0">_Library</a>, fontFileName.c_str (), 0, &amp;<a class="code" href="classNL3D_1_1CFontGenerator.html#o0">_Face</a>);
+00110 <font class="keywordflow">if</font> (error)
+00111 {
+00112 <a class="code" href="debug_8h.html#a3">nlerror</a> (<font class="stringliteral">"FT_New_Face() failed with file '%s': %s"</font>, fontFileName.c_str(), <a class="code" href="classNL3D_1_1CFontGenerator.html#c0">getFT2Error</a>(error));
+00113 }
+00114
+00115 string fontEx = fontExFileName;
+00116 <font class="keywordflow">if</font> (fontEx == <font class="stringliteral">""</font>)
+00117 {
+00118 <font class="comment">// try to see if the ex filename exists based on the fontExFileName</font>
+00119 fontEx = CPath::lookup(CFile::getFilenameWithoutExtension (fontFileName)+<font class="stringliteral">".afm"</font>, <font class="keyword">false</font>, <font class="keyword">false</font>);
+00120 }
+00121
+00122 <font class="keywordflow">if</font> (fontEx != <font class="stringliteral">""</font>)
+00123 {
+00124 error = FT_Attach_File (<a class="code" href="classNL3D_1_1CFontGenerator.html#o0">_Face</a>, fontEx.c_str ());
+00125 <font class="keywordflow">if</font> (error)
+00126 {
+00127 <a class="code" href="debug_8h.html#a2">nlwarning</a> (<font class="stringliteral">"FT_Attach_File() failed with file '%s': %s"</font>, fontEx.c_str(), <a class="code" href="classNL3D_1_1CFontGenerator.html#c0">getFT2Error</a>(error));
+00128 }
+00129 }
+00130
+00131 error = FT_Select_Charmap (<a class="code" href="classNL3D_1_1CFontGenerator.html#o0">_Face</a>, ft_encoding_unicode);
+00132 <font class="keywordflow">if</font> (error)
+00133 {
+00134 <a class="code" href="debug_8h.html#a3">nlerror</a> (<font class="stringliteral">"FT_Select_Charmap() failed with file '%s': %s"</font>, fontFileName.c_str(), <a class="code" href="classNL3D_1_1CFontGenerator.html#c0">getFT2Error</a>(error));
+00135 }
+00136 }
+00137
+<a name="l00138"></a><a class="code" href="classNL3D_1_1CFontGenerator.html#a1">00138</a> CFontGenerator::~CFontGenerator ()
+00139 {
+00140 }
+00141
+<a name="l00142"></a><a class="code" href="classNL3D_1_1CFontGenerator.html#a3">00142</a> <font class="keywordtype">void</font> CFontGenerator::getSizes (<a class="code" href="types__nl_8h.html#a15">ucchar</a> c, uint32 size, uint32 &amp;<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>, uint32 &amp;<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>)
+00143 {
+00144 NL_ALLOC_CONTEXT (FreeTyp);
+00145
+00146 FT_Error error;
+00147
+00148 error = FT_Set_Pixel_Sizes (<a class="code" href="classNL3D_1_1CFontGenerator.html#o0">_Face</a>, size, size);
+00149 <font class="keywordflow">if</font> (error)
+00150 {
+00151 <a class="code" href="debug_8h.html#a3">nlerror</a> (<font class="stringliteral">"FT_Set_Pixel_Sizes() failed: %s"</font>, <a class="code" href="classNL3D_1_1CFontGenerator.html#c0">getFT2Error</a>(error));
+00152 }
+00153
+00154 <font class="comment">// retrieve glyph index from character code</font>
+00155 FT_UInt glyph_index = FT_Get_Char_Index (<a class="code" href="classNL3D_1_1CFontGenerator.html#o0">_Face</a>, c);
+00156
+00157 <font class="comment">// load glyph image into the slot (erase previous one)</font>
+00158 error = FT_Load_Glyph (<a class="code" href="classNL3D_1_1CFontGenerator.html#o0">_Face</a>, glyph_index, FT_LOAD_DEFAULT);
+00159 <font class="keywordflow">if</font> (error)
+00160 {
+00161 <a class="code" href="debug_8h.html#a3">nlerror</a> (<font class="stringliteral">"FT_Load_Glyph() failed: %s"</font>, <a class="code" href="classNL3D_1_1CFontGenerator.html#c0">getFT2Error</a>(error));
+00162 }
+00163
+00164 <font class="comment">// convert 24.6 fixed point into integer</font>
+00165 <a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a> = <a class="code" href="classNL3D_1_1CFontGenerator.html#o0">_Face</a>-&gt;glyph-&gt;metrics.width &gt;&gt; 6;
+00166 <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a> = <a class="code" href="classNL3D_1_1CFontGenerator.html#o0">_Face</a>-&gt;glyph-&gt;metrics.height &gt;&gt; 6;
+00167 }
+00168
+<a name="l00169"></a><a class="code" href="classNL3D_1_1CFontGenerator.html#a2">00169</a> uint8 *CFontGenerator::getBitmap (<a class="code" href="types__nl_8h.html#a15">ucchar</a> c, uint32 size, uint32 &amp;<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>, uint32 &amp;<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>, uint32 &amp;pitch, sint32 &amp;left, sint32 &amp;top, sint32 &amp;advx, uint32 &amp;glyphIndex)
+00170 {
+00171 NL_ALLOC_CONTEXT (FreeTyp);
+00172
+00173 FT_Error error;
+00174
+00175 error = FT_Set_Pixel_Sizes (<a class="code" href="classNL3D_1_1CFontGenerator.html#o0">_Face</a>, size, size);
+00176 <font class="keywordflow">if</font> (error)
+00177 {
+00178 <a class="code" href="debug_8h.html#a3">nlerror</a> (<font class="stringliteral">"FT_Set_Pixel_Sizes() failed: %s"</font>, <a class="code" href="classNL3D_1_1CFontGenerator.html#c0">getFT2Error</a>(error));
+00179 }
+00180
+00181 <font class="comment">// retrieve glyph index from character code</font>
+00182 FT_UInt glyph_index = FT_Get_Char_Index (<a class="code" href="classNL3D_1_1CFontGenerator.html#o0">_Face</a>, c);
+00183
+00184 <font class="comment">// load glyph image into the slot (erase previous one)</font>
+00185 error = FT_Load_Glyph (<a class="code" href="classNL3D_1_1CFontGenerator.html#o0">_Face</a>, glyph_index, FT_LOAD_DEFAULT);
+00186 <font class="keywordflow">if</font> (error)
+00187 {
+00188 <a class="code" href="debug_8h.html#a3">nlerror</a> (<font class="stringliteral">"FT_Load_Glyph() failed: %s"</font>, <a class="code" href="classNL3D_1_1CFontGenerator.html#c0">getFT2Error</a>(error));
+00189 }
+00190
+00191 <font class="keywordflow">if</font> (size == 0)
+00192 {
+00193 <a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a> = 0;
+00194 <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a> = 0;
+00195 pitch = 0;
+00196 left = 0;
+00197 top = 0;
+00198 advx = 0;
+00199 glyphIndex = glyph_index;
+00200 <font class="keywordflow">return</font> NULL;
+00201 }
+00202
+00203 <font class="comment">// convert to an anti-aliased bitmap</font>
+00204 error = FT_Render_Glyph (<a class="code" href="classNL3D_1_1CFontGenerator.html#o0">_Face</a>-&gt;glyph, ft_render_mode_normal);
+00205 <font class="keywordflow">if</font> (error)
+00206 {
+00207 <a class="code" href="debug_8h.html#a3">nlerror</a> (<font class="stringliteral">"FT_Render_Glyph() failed: %s"</font>, <a class="code" href="classNL3D_1_1CFontGenerator.html#c0">getFT2Error</a>(error));
+00208 }
+00209
+00210 <a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a> = <a class="code" href="classNL3D_1_1CFontGenerator.html#o0">_Face</a>-&gt;glyph-&gt;bitmap.width;
+00211 <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a> = <a class="code" href="classNL3D_1_1CFontGenerator.html#o0">_Face</a>-&gt;glyph-&gt;bitmap.rows;
+00212 pitch = <a class="code" href="classNL3D_1_1CFontGenerator.html#o0">_Face</a>-&gt;glyph-&gt;bitmap.pitch;
+00213
+00214 left = <a class="code" href="classNL3D_1_1CFontGenerator.html#o0">_Face</a>-&gt;glyph-&gt;bitmap_left;
+00215 top = <a class="code" href="classNL3D_1_1CFontGenerator.html#o0">_Face</a>-&gt;glyph-&gt;bitmap_top;
+00216
+00217 advx = <a class="code" href="classNL3D_1_1CFontGenerator.html#o0">_Face</a>-&gt;glyph-&gt;advance.x &gt;&gt; 6;
+00218
+00219 glyphIndex = glyph_index;
+00220
+00221 <font class="keywordflow">return</font> (uint8 *) <a class="code" href="classNL3D_1_1CFontGenerator.html#o0">_Face</a>-&gt;glyph-&gt;bitmap.buffer;
+00222 }
+00223
+00224
+00225
+<a name="l00226"></a><a class="code" href="classNL3D_1_1CFontGenerator.html#a4">00226</a> <font class="keywordtype">void</font> CFontGenerator::getKerning (<a class="code" href="types__nl_8h.html#a15">ucchar</a> left, <a class="code" href="types__nl_8h.html#a15">ucchar</a> right, sint32 &amp;kernx)
+00227 {
+00228 NL_ALLOC_CONTEXT (FreeTyp);
+00229
+00230 <font class="keywordflow">if</font> (!FT_HAS_KERNING(<a class="code" href="classNL3D_1_1CFontGenerator.html#o0">_Face</a>))
+00231 {
+00232 kernx = 0;
+00233 }
+00234 <font class="keywordflow">else</font>
+00235 {
+00236 FT_Vector kerning;
+00237 FT_Error error = FT_Get_Kerning (<a class="code" href="classNL3D_1_1CFontGenerator.html#o0">_Face</a>, left, right, ft_kerning_default, &amp;kerning);
+00238 <font class="keywordflow">if</font> (error)
+00239 {
+00240 <a class="code" href="debug_8h.html#a3">nlerror</a> (<font class="stringliteral">"FT_Get_Kerning() failed: %s"</font>, <a class="code" href="classNL3D_1_1CFontGenerator.html#c0">getFT2Error</a>(error));
+00241 }
+00242 kernx = kerning.x;
+00243 }
+00244 }
+00245
+00246
+00247
+<a name="l00248"></a><a class="code" href="classNL3D_1_1CFontGenerator.html#a5">00248</a> uint32 CFontGenerator::getCharIndex (<a class="code" href="types__nl_8h.html#a15">ucchar</a> c)
+00249 {
+00250 NL_ALLOC_CONTEXT (FreeTyp);
+00251
+00252 <font class="keywordflow">return</font> FT_Get_Char_Index (<a class="code" href="classNL3D_1_1CFontGenerator.html#o0">_Face</a>, c);
+00253 }
+00254
+00255 } <font class="comment">// NL3D</font>
+00256
+00257 <font class="preprocessor">#else // NL_DONT_USE_EXTERNAL_CODE</font>
+00258 <font class="preprocessor"></font>
+00259 <font class="preprocessor">#include &lt;windows.h&gt;</font>
+00260
+00261 <font class="keyword">using</font> <font class="keyword">namespace </font>NLMISC;
+00262
+00263 <font class="keyword">namespace </font>NL3D {
+00264
+00265 HBITMAP Dib;
+00266 uint32 *Buffer;
+00267 HDC hdcDib;
+00268 <font class="keywordtype">int</font> Width = 100;
+00269 <font class="keywordtype">int</font> Height = 100;
+00270
+00271 <font class="comment">/*</font>
+00272 <font class="comment"> * Constructor</font>
+00273 <font class="comment"> */</font>
+00274 CFontGenerator::CFontGenerator (<font class="keyword">const</font> std::string &amp;fontFileName, <font class="keyword">const</font> std::string &amp;fontExFileName)
+00275 {
+00276
+00277 <font class="comment">// HWND win=(HWND)winHack;</font>
+00278 <font class="comment">// WindowHandle = win;</font>
+00279 <font class="comment">// Format = format;</font>
+00280 <font class="comment">// RECT rect;</font>
+00281 <font class="comment">// BOOL ret = GetClientRect( WindowHandle, &amp;rect);</font>
+00282 <font class="comment">// assert (ret);</font>
+00283
+00284 <font class="comment">// uint f = AddFontResource ("");</font>
+00285 <font class="comment">// nlassert (f);</font>
+00286
+00287 BITMAPINFO info;
+00288 info.bmiHeader.biWidth = Width;
+00289 info.bmiHeader.biHeight= -Height;
+00290 info.bmiHeader.biSize = <font class="keyword">sizeof</font> (BITMAPINFOHEADER);
+00291 info.bmiHeader.biPlanes = 1;
+00292 info.bmiHeader.biBitCount = 32;
+00293 info.bmiHeader.biCompression = BI_RGB;
+00294 info.bmiHeader.biSizeImage = 4*Width*Height;
+00295 info.bmiHeader.biXPelsPerMeter = 1;
+00296 info.bmiHeader.biYPelsPerMeter = 1;
+00297 info.bmiHeader.biClrUsed = 0;
+00298 info.bmiHeader.biClrImportant = 0;
+00299
+00300 HDC hdc = GetDC (NULL);
+00301 <a class="code" href="debug_8h.html#a6">nlassert</a> (hdc);
+00302 Dib = CreateDIBSection (hdc, &amp;info, DIB_RGB_COLORS, (<font class="keywordtype">void</font>**)&amp;Buffer, NULL, NULL);
+00303
+00304 hdcDib = CreateCompatibleDC (hdc);
+00305 <a class="code" href="debug_8h.html#a6">nlassert</a> (hdcDib);
+00306
+00307
+00308 ReleaseDC (NULL, hdc);
+00309
+00310 SetTextAlign (hdcDib, TA_TOP | TA_LEFT | TA_NOUPDATECP);
+00311 SetBkColor (hdcDib, RGB (0,0,0));
+00312 SetTextColor (hdcDib, RGB (255, 255, 255));
+00313
+00314 <font class="comment">/*FT_Error error;</font>
+00315 <font class="comment"></font>
+00316 <font class="comment"> if (!_LibraryInit)</font>
+00317 <font class="comment"> {</font>
+00318 <font class="comment"> error = FT_Init_FreeType (&amp;_Library);</font>
+00319 <font class="comment"> if (error)</font>
+00320 <font class="comment"> {</font>
+00321 <font class="comment"> nlerror ("FT_Init_FreeType() failed: %s", getFT2Error(error));</font>
+00322 <font class="comment"> }</font>
+00323 <font class="comment"> _LibraryInit = true;</font>
+00324 <font class="comment"> }</font>
+00325 <font class="comment"></font>
+00326 <font class="comment"> error = FT_New_Face (_Library, fontFileName.c_str (), 0, &amp;_Face);</font>
+00327 <font class="comment"> if (error)</font>
+00328 <font class="comment"> {</font>
+00329 <font class="comment"> nlerror ("FT_New_Face() failed with file '%s': %s", fontFileName.c_str(), getFT2Error(error));</font>
+00330 <font class="comment"> }</font>
+00331 <font class="comment"></font>
+00332 <font class="comment"> if (fontExFileName != "")</font>
+00333 <font class="comment"> {</font>
+00334 <font class="comment"> error = FT_Attach_File (_Face, fontExFileName.c_str ());</font>
+00335 <font class="comment"> if (error)</font>
+00336 <font class="comment"> {</font>
+00337 <font class="comment"> nlwarning ("FT_Attach_File() failed with file '%s': %s", fontExFileName.c_str(), getFT2Error(error));</font>
+00338 <font class="comment"> }</font>
+00339 <font class="comment"> }*/</font>
+00340 }
+00341
+00342 CFontGenerator::~CFontGenerator ()
+00343 {
+00344 DeleteObject (Dib);
+00345
+00346 DeleteDC (hdcDib);
+00347 }
+00348
+00349 <font class="keywordtype">void</font> CFontGenerator::getSizes (<a class="code" href="types__nl_8h.html#a15">ucchar</a> c, uint32 size, uint32 &amp;<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>, uint32 &amp;<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>)
+00350 {
+00351 <font class="comment">/* FT_Error error;</font>
+00352 <font class="comment"></font>
+00353 <font class="comment"> error = FT_Set_Pixel_Sizes (_Face, size, size);</font>
+00354 <font class="comment"> if (error)</font>
+00355 <font class="comment"> {</font>
+00356 <font class="comment"> nlerror ("FT_Set_Pixel_Sizes() failed: %s", getFT2Error(error));</font>
+00357 <font class="comment"> }</font>
+00358 <font class="comment"></font>
+00359 <font class="comment"> // retrieve glyph index from character code</font>
+00360 <font class="comment"> FT_UInt glyph_index = FT_Get_Char_Index (_Face, c);</font>
+00361 <font class="comment"></font>
+00362 <font class="comment"> // load glyph image into the slot (erase previous one)</font>
+00363 <font class="comment"> error = FT_Load_Glyph (_Face, glyph_index, FT_LOAD_DEFAULT);</font>
+00364 <font class="comment"> if (error)</font>
+00365 <font class="comment"> {</font>
+00366 <font class="comment"> nlerror ("FT_Load_Glyph() failed: %s", getFT2Error(error));</font>
+00367 <font class="comment"> }</font>
+00368 <font class="comment"></font>
+00369 <font class="comment"> // convert 24.6 fixed point into integer</font>
+00370 <font class="comment"> width = _Face-&gt;glyph-&gt;metrics.width &gt;&gt; 6;</font>
+00371 <font class="comment"> height = _Face-&gt;glyph-&gt;metrics.height &gt;&gt; 6;</font>
+00372 <font class="comment"> */</font>
+00373 }
+00374
+00375 HFONT hFont = NULL;
+00376 uint32 CurrentFontSize = 0;
+00377
+00378 uint8 *CFontGenerator::getBitmap (<a class="code" href="types__nl_8h.html#a15">ucchar</a> c, uint32 size, uint32 &amp;<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>, uint32 &amp;<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>, uint32 &amp;pitch, sint32 &amp;left, sint32 &amp;top, sint32 &amp;advx, uint32 &amp;glyphIndex)
+00379 {
+00380 <font class="comment">/* FT_Error error;</font>
+00381 <font class="comment"></font>
+00382 <font class="comment"> error = FT_Set_Pixel_Sizes (_Face, size, size);</font>
+00383 <font class="comment"> if (error)</font>
+00384 <font class="comment"> {</font>
+00385 <font class="comment"> nlerror ("FT_Set_Pixel_Sizes() failed: %s", getFT2Error(error));</font>
+00386 <font class="comment"> }</font>
+00387 <font class="comment"></font>
+00388 <font class="comment"> // retrieve glyph index from character code</font>
+00389 <font class="comment"> FT_UInt glyph_index = FT_Get_Char_Index (_Face, c);</font>
+00390 <font class="comment"></font>
+00391 <font class="comment"> // load glyph image into the slot (erase previous one)</font>
+00392 <font class="comment"> error = FT_Load_Glyph (_Face, glyph_index, FT_LOAD_DEFAULT);</font>
+00393 <font class="comment"> if (error)</font>
+00394 <font class="comment"> {</font>
+00395 <font class="comment"> nlerror ("FT_Load_Glyph() failed: %s", getFT2Error(error));</font>
+00396 <font class="comment"> }</font>
+00397 <font class="comment"></font>
+00398 <font class="comment"> if (size == 0)</font>
+00399 <font class="comment"> {</font>
+00400 <font class="comment"> width = 0;</font>
+00401 <font class="comment"> height = 0;</font>
+00402 <font class="comment"> pitch = 0;</font>
+00403 <font class="comment"> left = 0;</font>
+00404 <font class="comment"> top = 0;</font>
+00405 <font class="comment"> advx = 0;</font>
+00406 <font class="comment"> glyphIndex = glyph_index;</font>
+00407 <font class="comment"> return NULL;</font>
+00408 <font class="comment"> }</font>
+00409 <font class="comment"></font>
+00410 <font class="comment"> // convert to an anti-aliased bitmap</font>
+00411 <font class="comment"> error = FT_Render_Glyph (_Face-&gt;glyph, ft_render_mode_normal);</font>
+00412 <font class="comment"> if (error)</font>
+00413 <font class="comment"> {</font>
+00414 <font class="comment"> nlerror ("FT_Render_Glyph() failed: %s", getFT2Error(error));</font>
+00415 <font class="comment"> }</font>
+00416 <font class="comment"></font>
+00417 <font class="comment"> width = _Face-&gt;glyph-&gt;bitmap.width;</font>
+00418 <font class="comment"> height = _Face-&gt;glyph-&gt;bitmap.rows;</font>
+00419 <font class="comment"> pitch = _Face-&gt;glyph-&gt;bitmap.pitch;</font>
+00420 <font class="comment"></font>
+00421 <font class="comment"> left = _Face-&gt;glyph-&gt;bitmap_left;</font>
+00422 <font class="comment"> top = _Face-&gt;glyph-&gt;bitmap_top;</font>
+00423 <font class="comment"></font>
+00424 <font class="comment"> advx = _Face-&gt;glyph-&gt;advance.x &gt;&gt; 6;</font>
+00425 <font class="comment"></font>
+00426 <font class="comment"> glyphIndex = glyph_index;</font>
+00427 <font class="comment"></font>
+00428 <font class="comment"> return (uint8 *) _Face-&gt;glyph-&gt;bitmap.buffer;</font>
+00429 <font class="comment">*/</font>
+00430
+00431 <font class="keywordflow">if</font> (size == 0)
+00432 {
+00433 <a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a> = 0;
+00434 <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a> = 0;
+00435 pitch = 0;
+00436 left = 0;
+00437 top = 0;
+00438 advx = 0;
+00439 glyphIndex = 0;
+00440 <font class="keywordflow">return</font> NULL;
+00441 }
+00442
+00443 <font class="comment">// Create the font</font>
+00444 <font class="keywordflow">if</font> (hFont == NULL || CurrentFontSize != size)
+00445 {
+00446 <font class="keywordflow">if</font> (hFont != NULL)
+00447 {
+00448 DeleteObject (hFont);
+00449 }
+00450
+00451 hFont=CreateFont
+00452 (
+00453 size, <font class="comment">// logical height of font</font>
+00454 0, <font class="comment">// logical average character width</font>
+00455 0, <font class="comment">// angle of escapement</font>
+00456 0, <font class="comment">// base-line orientation angle</font>
+00457 FW_DONTCARE, <font class="comment">//FW_NORMAL, // font weight</font>
+00458 FALSE, <font class="comment">// italic attribute flag</font>
+00459 FALSE, <font class="comment">// underline attribute flag</font>
+00460 FALSE, <font class="comment">// strikeout attribute flag</font>
+00461 DEFAULT_CHARSET, <font class="comment">// character set identifier</font>
+00462 OUT_DEVICE_PRECIS, <font class="comment">// output precision</font>
+00463 CLIP_DEFAULT_PRECIS, <font class="comment">// clipping precision</font>
+00464 DEFAULT_QUALITY, <font class="comment">// output quality</font>
+00465 DEFAULT_PITCH|FF_DONTCARE, <font class="comment">// pitch and family</font>
+00466 <font class="stringliteral">"Arial Unicode MS Normal"</font> <font class="comment">// pointer to typeface name string</font>
+00467 );
+00468 <a class="code" href="debug_8h.html#a6">nlassert</a> (hFont);
+00469
+00470 CurrentFontSize = size;
+00471 }
+00472
+00473 SelectObject (hdcDib, hFont);
+00474 SelectObject (hdcDib, Dib);
+00475
+00476 <font class="keyword">const</font> <font class="keywordtype">char</font> cc = (char) c;
+00477
+00478 RECT rect;
+00479 rect.bottom = Height;
+00480 rect.top = 0;
+00481 rect.left = 0;
+00482 rect.right = Width;
+00483
+00484 <font class="keywordtype">int</font> <a class="code" href="driver__opengl__extension__def_8h.html#a400">res</a> = DrawText (hdcDib, &amp;cc, 1, &amp;rect, DT_LEFT | DT_TOP);
+00485
+00486 POINT point;
+00487 point.y = <a class="code" href="driver__opengl__extension__def_8h.html#a400">res</a>;
+00488
+00489 <font class="keywordtype">int</font> <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a> = <a class="code" href="driver__opengl__extension__def_8h.html#a400">res</a>;
+00490 BOOL rey = GetCharWidth32 (hdcDib, (uint8) cc, (uint8) cc, &amp;<a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>);
+00491 <a class="code" href="debug_8h.html#a6">nlassert</a> (rey);
+00492 point.x = <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>;
+00493
+00494 <font class="comment">// ABC abc;</font>
+00495 <font class="comment">// BOOL rey = GetCharABCWidths (hdcDib, (uint8) cc, (uint8) cc, &amp;abc);</font>
+00496 <font class="comment">// nlassert (rey);</font>
+00497 <font class="comment">// point.x = abc.abcA;</font>
+00498
+00499 SIZE <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>;
+00500 GetTextExtentPoint32 (hdcDib, &amp;cc, 1, &amp;<a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>);
+00501
+00502 BOOL ret = LPtoDP (hdcDib, &amp;point, 1);
+00503 <a class="code" href="debug_8h.html#a6">nlassert</a> (ret);
+00504
+00505 <font class="keyword">static</font> uint8 buf[100*100];
+00506
+00507 sint32 _top = 0, _left = point.x;
+00508 sint32 right = 0, bottom = point.y;
+00509 <font class="keywordtype">bool</font> emptyLine;
+00510 <font class="keywordflow">for</font> (sint <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; point.y; <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>++)
+00511 {
+00512 emptyLine = <font class="keyword">true</font>;
+00513 <font class="keywordflow">for</font> (sint <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; point.x; <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>++)
+00514 {
+00515 buf[<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*100+<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>] = (uint8) Buffer[<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*100+<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>];
+00516 <font class="keywordflow">if</font> (buf[<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>*100+<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>])
+00517 {
+00518 emptyLine = <font class="keyword">false</font>;
+00519 <font class="keywordflow">if</font> (<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a> &lt; _left)
+00520 _left = <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>;
+00521 <font class="keywordflow">if</font> (<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a> &gt; right)
+00522 right = <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>;
+00523 }
+00524
+00525 <font class="comment">// printf (buf[y*100+x]?"*":".");</font>
+00526 }
+00527 <font class="keywordflow">if</font> (!emptyLine)
+00528 {
+00529 <font class="keywordflow">if</font> (_top == 0)
+00530 _top = <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>;
+00531
+00532 bottom = <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>;
+00533 }
+00534
+00535 <font class="comment">// printf ("\n");</font>
+00536 }
+00537 <a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a> = right - _left + 1;
+00538 <font class="keywordflow">if</font> (right - _left + 1 &lt; 0) <a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a> = 0;
+00539 <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a> = bottom - _top + 1;
+00540 <font class="keywordflow">if</font> (bottom - _top + 1 &lt; 0) <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a> = 0;
+00541 pitch = 100;
+00542 advx = point.x;
+00543
+00544 WORD ag = 0;
+00545 <font class="comment">/*uint t = GetGlyphIndices (hdcDib, &amp;cc, 1, &amp;ag, 0);</font>
+00546 <font class="comment"> if (t == GDI_ERROR)</font>
+00547 <font class="comment"> {</font>
+00548 <font class="comment"> nlstop;</font>
+00549 <font class="comment"> }</font>
+00550 <font class="comment">*/</font>
+00551 glyphIndex = ag;
+00552
+00553 top = -_top;
+00554 left = -_left;
+00555
+00556 <font class="comment">/* {</font>
+00557 <font class="comment"> for (sint y = _top; y &lt; _top + height; y++)</font>
+00558 <font class="comment"> {</font>
+00559 <font class="comment"> for (sint x = _left; x &lt; _left + width; x++)</font>
+00560 <font class="comment"> {</font>
+00561 <font class="comment"> printf (buf[y*100+x]?"*":".");</font>
+00562 <font class="comment"> }</font>
+00563 <font class="comment"> printf ("\n");</font>
+00564 <font class="comment"> }</font>
+00565 <font class="comment"> printf ("w: %d h: %d s: %d a: %d l: %d t: %d", width, height, size, advx, left, top);</font>
+00566 <font class="comment"> getchar();</font>
+00567 <font class="comment"> }</font>
+00568 <font class="comment">*/</font>
+00569 _top = _left = top = left = 0;
+00570 top = <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>.cy;
+00571 <a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a> = <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>.cx;
+00572 <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a> = <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>.cy;
+00573
+00574 <font class="keywordflow">return</font> buf + _top * 100 + _left;
+00575 }
+00576
+00577
+00578
+00579
+00580 <font class="keywordtype">void</font> CFontGenerator::getKerning (<a class="code" href="types__nl_8h.html#a15">ucchar</a> left, <a class="code" href="types__nl_8h.html#a15">ucchar</a> right, sint32 &amp;kernx)
+00581 {
+00582 <font class="comment">/* if (!FT_HAS_KERNING(_Face))</font>
+00583 <font class="comment"> {</font>
+00584 <font class="comment"> kernx = 0;</font>
+00585 <font class="comment"> }</font>
+00586 <font class="comment"> else</font>
+00587 <font class="comment"> {</font>
+00588 <font class="comment"> FT_Vector kerning;</font>
+00589 <font class="comment"> FT_Error error = FT_Get_Kerning (_Face, left, right, ft_kerning_default, &amp;kerning);</font>
+00590 <font class="comment"> if (error)</font>
+00591 <font class="comment"> {</font>
+00592 <font class="comment"> nlerror ("FT_Get_Kerning() failed: %s", getFT2Error(error));</font>
+00593 <font class="comment"> }</font>
+00594 <font class="comment"> kernx = kerning.x;</font>
+00595 <font class="comment"> }*/</font>
+00596 }
+00597
+00598
+00599
+00600 uint32 CFontGenerator::getCharIndex (<a class="code" href="types__nl_8h.html#a15">ucchar</a> c)
+00601 {
+00602 <font class="comment">// return FT_Get_Char_Index (_Face, c);</font>
+00603 <font class="keywordflow">return</font> 0;
+00604 }
+00605
+00606
+00607 } <font class="comment">// NL3D</font>
+00608
+00609 <font class="preprocessor">#endif // NL_DONT_USE_EXTERNAL_CODE</font>
+00610 <font class="preprocessor"></font>
+</pre></div>
+
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