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<h1>text.c</h1><a href="text_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> This file is part of g15tools.</span>
<a name="l00003"></a>00003 <span class="comment"></span>
<a name="l00004"></a>00004 <span class="comment"> g15tools is free software; you can redistribute it and/or modify</span>
<a name="l00005"></a>00005 <span class="comment"> it under the terms of the GNU General Public License as published by</span>
<a name="l00006"></a>00006 <span class="comment"> the Free Software Foundation; either version 2 of the License, or</span>
<a name="l00007"></a>00007 <span class="comment"> (at your option) any later version.</span>
<a name="l00008"></a>00008 <span class="comment"></span>
<a name="l00009"></a>00009 <span class="comment"> g15tools is distributed in the hope that it will be useful,</span>
<a name="l00010"></a>00010 <span class="comment"> but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00011"></a>00011 <span class="comment"> MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
<a name="l00012"></a>00012 <span class="comment"> GNU General Public License for more details.</span>
<a name="l00013"></a>00013 <span class="comment"></span>
<a name="l00014"></a>00014 <span class="comment"> You should have received a copy of the GNU General Public License</span>
<a name="l00015"></a>00015 <span class="comment"> along with g15lcd; if not, write to the Free Software</span>
<a name="l00016"></a>00016 <span class="comment"> Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA</span>
<a name="l00017"></a>00017 <span class="comment">*/</span>
<a name="l00018"></a>00018
<a name="l00019"></a>00019 <span class="preprocessor">#include "<a class="code" href="libg15render_8h.html">libg15render.h</a>"</span>
<a name="l00020"></a>00020
<a name="l00021"></a>00021 <span class="keywordtype">void</span>
<a name="l00022"></a><a class="code" href="text_8c.html#836c361f072699d22b7c135914895e16">00022</a> <a class="code" href="libg15render_8h.html#15b006564ed239338abbb96baa2fdf77" title="Renders a character in the large font at (x, y).">g15r_renderCharacterLarge</a> (<a class="code" href="structg15canvas.html" title="This structure holds the data need to render objects to the LCD screen.">g15canvas</a> * canvas, <span class="keywordtype">int</span> col, <span class="keywordtype">int</span> row,
<a name="l00023"></a>00023 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> character, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> sx,
<a name="l00024"></a>00024 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> sy)
<a name="l00025"></a>00025 {
<a name="l00026"></a>00026 <span class="keywordtype">int</span> helper = character * 8; <span class="comment">/* for our font which is 8x8 */</span>
<a name="l00027"></a>00027
<a name="l00028"></a>00028 <span class="keywordtype">int</span> top_left_pixel_x = sx + col * (8); <span class="comment">/* 1 pixel spacing */</span>
<a name="l00029"></a>00029 <span class="keywordtype">int</span> top_left_pixel_y = sy + row * (8); <span class="comment">/* once again 1 pixel spacing */</span>
<a name="l00030"></a>00030
<a name="l00031"></a>00031 <span class="keywordtype">int</span> x, y;
<a name="l00032"></a>00032 <span class="keywordflow">for</span> (y = 0; y < 8; ++y)
<a name="l00033"></a>00033 {
<a name="l00034"></a>00034 <span class="keywordflow">for</span> (x = 0; x < 8; ++x)
<a name="l00035"></a>00035 {
<a name="l00036"></a>00036 <span class="keywordtype">char</span> font_entry = <a class="code" href="libg15render_8h.html#6f37a92769b2a165eb27baf08caf8520" title="Font data for the large (8x8) font.">fontdata_8x8</a>[helper + y];
<a name="l00037"></a>00037
<a name="l00038"></a>00038 <span class="keywordflow">if</span> (font_entry & 1 << (7 - x))
<a name="l00039"></a>00039 <a class="code" href="libg15render_8h.html#55ea1758ff829b3cab04383f8a5eccd4" title="Sets the value of the pixel at (x, y).">g15r_setPixel</a> (canvas, top_left_pixel_x + x, top_left_pixel_y + y,
<a name="l00040"></a>00040 <a class="code" href="libg15render_8h.html#0104fffa824becaf3a200cccc8a79c14">G15_COLOR_BLACK</a>);
<a name="l00041"></a>00041 <span class="keywordflow">else</span>
<a name="l00042"></a>00042 <a class="code" href="libg15render_8h.html#55ea1758ff829b3cab04383f8a5eccd4" title="Sets the value of the pixel at (x, y).">g15r_setPixel</a> (canvas, top_left_pixel_x + x, top_left_pixel_y + y,
<a name="l00043"></a>00043 <a class="code" href="libg15render_8h.html#a4d92d49730a1444bdcaacf176ec4c32">G15_COLOR_WHITE</a>);
<a name="l00044"></a>00044
<a name="l00045"></a>00045 }
<a name="l00046"></a>00046 }
<a name="l00047"></a>00047 }
<a name="l00048"></a>00048
<a name="l00049"></a>00049 <span class="keywordtype">void</span>
<a name="l00050"></a><a class="code" href="text_8c.html#2e0793d14c21f3aa27abbeab153dc380">00050</a> <a class="code" href="libg15render_8h.html#d5dd2502c4c6921d3d361538461f4621" title="Renders a character in the meduim font at (x, y).">g15r_renderCharacterMedium</a> (<a class="code" href="structg15canvas.html" title="This structure holds the data need to render objects to the LCD screen.">g15canvas</a> * canvas, <span class="keywordtype">int</span> col, <span class="keywordtype">int</span> row,
<a name="l00051"></a>00051 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> character, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> sx,
<a name="l00052"></a>00052 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> sy)
<a name="l00053"></a>00053 {
<a name="l00054"></a>00054 <span class="keywordtype">int</span> helper = character * 7 * 5; <span class="comment">/* for our font which is 6x4 */</span>
<a name="l00055"></a>00055
<a name="l00056"></a>00056 <span class="keywordtype">int</span> top_left_pixel_x = sx + col * (5); <span class="comment">/* 1 pixel spacing */</span>
<a name="l00057"></a>00057 <span class="keywordtype">int</span> top_left_pixel_y = sy + row * (7); <span class="comment">/* once again 1 pixel spacing */</span>
<a name="l00058"></a>00058
<a name="l00059"></a>00059 <span class="keywordtype">int</span> x, y;
<a name="l00060"></a>00060 <span class="keywordflow">for</span> (y = 0; y < 7; ++y)
<a name="l00061"></a>00061 {
<a name="l00062"></a>00062 <span class="keywordflow">for</span> (x = 0; x < 5; ++x)
<a name="l00063"></a>00063 {
<a name="l00064"></a>00064 <span class="keywordtype">char</span> font_entry = <a class="code" href="libg15render_8h.html#234a11e8ad12014d8514f3e8cecf3d2e" title="Font data for the medium (7x5) font.">fontdata_7x5</a>[helper + y * 5 + x];
<a name="l00065"></a>00065 <span class="keywordflow">if</span> (font_entry)
<a name="l00066"></a>00066 <a class="code" href="libg15render_8h.html#55ea1758ff829b3cab04383f8a5eccd4" title="Sets the value of the pixel at (x, y).">g15r_setPixel</a> (canvas, top_left_pixel_x + x, top_left_pixel_y + y,
<a name="l00067"></a>00067 <a class="code" href="libg15render_8h.html#0104fffa824becaf3a200cccc8a79c14">G15_COLOR_BLACK</a>);
<a name="l00068"></a>00068 <span class="keywordflow">else</span>
<a name="l00069"></a>00069 <a class="code" href="libg15render_8h.html#55ea1758ff829b3cab04383f8a5eccd4" title="Sets the value of the pixel at (x, y).">g15r_setPixel</a> (canvas, top_left_pixel_x + x, top_left_pixel_y + y,
<a name="l00070"></a>00070 <a class="code" href="libg15render_8h.html#a4d92d49730a1444bdcaacf176ec4c32">G15_COLOR_WHITE</a>);
<a name="l00071"></a>00071
<a name="l00072"></a>00072 }
<a name="l00073"></a>00073 }
<a name="l00074"></a>00074 }
<a name="l00075"></a>00075
<a name="l00076"></a>00076 <span class="keywordtype">void</span>
<a name="l00077"></a><a class="code" href="text_8c.html#28cc5094639853935638f2dc857543e5">00077</a> <a class="code" href="libg15render_8h.html#5fa2d24a90c45b1c64c3114d8bcaacfa" title="Renders a character in the small font at (x, y).">g15r_renderCharacterSmall</a> (<a class="code" href="structg15canvas.html" title="This structure holds the data need to render objects to the LCD screen.">g15canvas</a> * canvas, <span class="keywordtype">int</span> col, <span class="keywordtype">int</span> row,
<a name="l00078"></a>00078 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> character, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> sx,
<a name="l00079"></a>00079 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> sy)
<a name="l00080"></a>00080 {
<a name="l00081"></a>00081 <span class="keywordtype">int</span> helper = character * 6 * 4; <span class="comment">/* for our font which is 6x4 */</span>
<a name="l00082"></a>00082
<a name="l00083"></a>00083 <span class="keywordtype">int</span> top_left_pixel_x = sx + col * (4); <span class="comment">/* 1 pixel spacing */</span>
<a name="l00084"></a>00084 <span class="keywordtype">int</span> top_left_pixel_y = sy + row * (6); <span class="comment">/* once again 1 pixel spacing */</span>
<a name="l00085"></a>00085
<a name="l00086"></a>00086 <span class="keywordtype">int</span> x, y;
<a name="l00087"></a>00087 <span class="keywordflow">for</span> (y = 0; y < 6; ++y)
<a name="l00088"></a>00088 {
<a name="l00089"></a>00089 <span class="keywordflow">for</span> (x = 0; x < 4; ++x)
<a name="l00090"></a>00090 {
<a name="l00091"></a>00091 <span class="keywordtype">char</span> font_entry = <a class="code" href="libg15render_8h.html#866055d034092aaa9b0307977e495739" title="Font data for the small (6x4) font.">fontdata_6x4</a>[helper + y * 4 + x];
<a name="l00092"></a>00092 <span class="keywordflow">if</span> (font_entry)
<a name="l00093"></a>00093 <a class="code" href="libg15render_8h.html#55ea1758ff829b3cab04383f8a5eccd4" title="Sets the value of the pixel at (x, y).">g15r_setPixel</a> (canvas, top_left_pixel_x + x, top_left_pixel_y + y,
<a name="l00094"></a>00094 <a class="code" href="libg15render_8h.html#0104fffa824becaf3a200cccc8a79c14">G15_COLOR_BLACK</a>);
<a name="l00095"></a>00095 <span class="keywordflow">else</span>
<a name="l00096"></a>00096 <a class="code" href="libg15render_8h.html#55ea1758ff829b3cab04383f8a5eccd4" title="Sets the value of the pixel at (x, y).">g15r_setPixel</a> (canvas, top_left_pixel_x + x, top_left_pixel_y + y,
<a name="l00097"></a>00097 <a class="code" href="libg15render_8h.html#a4d92d49730a1444bdcaacf176ec4c32">G15_COLOR_WHITE</a>);
<a name="l00098"></a>00098
<a name="l00099"></a>00099 }
<a name="l00100"></a>00100 }
<a name="l00101"></a>00101 }
<a name="l00102"></a>00102
<a name="l00103"></a>00103 <span class="keywordtype">void</span>
<a name="l00104"></a><a class="code" href="text_8c.html#a6e7501ae0980a4215309aa44dc75fb6">00104</a> <a class="code" href="libg15render_8h.html#a6e7501ae0980a4215309aa44dc75fb6" title="Renders a string with font size in row.">g15r_renderString</a> (<a class="code" href="structg15canvas.html" title="This structure holds the data need to render objects to the LCD screen.">g15canvas</a> * canvas, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> stringOut[], <span class="keywordtype">int</span> row,
<a name="l00105"></a>00105 <span class="keywordtype">int</span> size, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> sx, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> sy)
<a name="l00106"></a>00106 {
<a name="l00107"></a>00107
<a name="l00108"></a>00108 <span class="keywordtype">int</span> i = 0;
<a name="l00109"></a>00109 <span class="keywordflow">for</span> (i; stringOut[i] != NULL; ++i)
<a name="l00110"></a>00110 {
<a name="l00111"></a>00111 <span class="keywordflow">switch</span> (size)
<a name="l00112"></a>00112 {
<a name="l00113"></a>00113 <span class="keywordflow">case</span> <a class="code" href="libg15render_8h.html#3ab6531061e27f4301bc9a0dc6601037">G15_TEXT_SMALL</a>:
<a name="l00114"></a>00114 {
<a name="l00115"></a>00115 <a class="code" href="libg15render_8h.html#5fa2d24a90c45b1c64c3114d8bcaacfa" title="Renders a character in the small font at (x, y).">g15r_renderCharacterSmall</a> (canvas, i, row, stringOut[i], sx, sy);
<a name="l00116"></a>00116 <span class="keywordflow">break</span>;
<a name="l00117"></a>00117 }
<a name="l00118"></a>00118 <span class="keywordflow">case</span> <a class="code" href="libg15render_8h.html#d0afce6a7e86aef7552b8a3a6508b73c">G15_TEXT_MED</a>:
<a name="l00119"></a>00119 {
<a name="l00120"></a>00120 <a class="code" href="libg15render_8h.html#d5dd2502c4c6921d3d361538461f4621" title="Renders a character in the meduim font at (x, y).">g15r_renderCharacterMedium</a> (canvas, i, row, stringOut[i], sx, sy);
<a name="l00121"></a>00121 <span class="keywordflow">break</span>;
<a name="l00122"></a>00122 }
<a name="l00123"></a>00123 <span class="keywordflow">case</span> <a class="code" href="libg15render_8h.html#a3497c7af936b6d946cbb36665f2c111">G15_TEXT_LARGE</a>:
<a name="l00124"></a>00124 {
<a name="l00125"></a>00125 <a class="code" href="libg15render_8h.html#15b006564ed239338abbb96baa2fdf77" title="Renders a character in the large font at (x, y).">g15r_renderCharacterLarge</a> (canvas, i, row, stringOut[i], sx, sy);
<a name="l00126"></a>00126 <span class="keywordflow">break</span>;
<a name="l00127"></a>00127 }
<a name="l00128"></a>00128 <span class="keywordflow">default</span>:
<a name="l00129"></a>00129 <span class="keywordflow">break</span>;
<a name="l00130"></a>00130 }
<a name="l00131"></a>00131 }
<a name="l00132"></a>00132
<a name="l00133"></a>00133 }
<a name="l00134"></a>00134
<a name="l00135"></a>00135 <span class="preprocessor">#ifdef TTF_SUPPORT</span>
<a name="l00136"></a>00136 <span class="preprocessor"></span>
<a name="l00144"></a>00144 <span class="keywordtype">void</span>
<a name="l00145"></a><a class="code" href="text_8c.html#a95cef40e8da1a1c60dd67541e1a5d00">00145</a> <a class="code" href="libg15render_8h.html#a95cef40e8da1a1c60dd67541e1a5d00" title="Loads a font through the FreeType2 library.">g15r_ttfLoad</a> (<a class="code" href="structg15canvas.html" title="This structure holds the data need to render objects to the LCD screen.">g15canvas</a> * canvas, <span class="keywordtype">char</span> *fontname, <span class="keywordtype">int</span> fontsize, <span class="keywordtype">int</span> face_num)
<a name="l00146"></a>00146 {
<a name="l00147"></a>00147 <span class="keywordtype">int</span> errcode = 0;
<a name="l00148"></a>00148
<a name="l00149"></a>00149 <span class="keywordflow">if</span> (face_num < 0)
<a name="l00150"></a>00150 face_num = 0;
<a name="l00151"></a>00151 <span class="keywordflow">if</span> (face_num > <a class="code" href="libg15render_8h.html#d05ef8de0fd7f2442c777046d3922f00">G15_MAX_FACE</a>)
<a name="l00152"></a>00152 face_num = <a class="code" href="libg15render_8h.html#d05ef8de0fd7f2442c777046d3922f00">G15_MAX_FACE</a>;
<a name="l00153"></a>00153
<a name="l00154"></a>00154 <span class="keywordflow">if</span> (canvas-><a class="code" href="structg15canvas.html#72392608296762012ddc923e426da312">ttf_fontsize</a>[face_num])
<a name="l00155"></a>00155 FT_Done_Face (canvas-><a class="code" href="structg15canvas.html#a83423fcdf43a1b2f5fddaaa96fb53a5">ttf_face</a>[face_num][0]); <span class="comment">/* destroy the last face */</span>
<a name="l00156"></a>00156
<a name="l00157"></a>00157 <span class="keywordflow">if</span> (!canvas-><a class="code" href="structg15canvas.html#72392608296762012ddc923e426da312">ttf_fontsize</a>[face_num] && !fontsize)
<a name="l00158"></a>00158 canvas-><a class="code" href="structg15canvas.html#72392608296762012ddc923e426da312">ttf_fontsize</a>[face_num] = 10;
<a name="l00159"></a>00159 <span class="keywordflow">else</span>
<a name="l00160"></a>00160 canvas-><a class="code" href="structg15canvas.html#72392608296762012ddc923e426da312">ttf_fontsize</a>[face_num] = fontsize;
<a name="l00161"></a>00161
<a name="l00162"></a>00162 errcode =
<a name="l00163"></a>00163 FT_New_Face (canvas-><a class="code" href="structg15canvas.html#497342d92d60f2bd38f26f539422c77c">ftLib</a>, fontname, 0, &canvas-><a class="code" href="structg15canvas.html#a83423fcdf43a1b2f5fddaaa96fb53a5">ttf_face</a>[face_num][0]);
<a name="l00164"></a>00164 <span class="keywordflow">if</span> (errcode)
<a name="l00165"></a>00165 {
<a name="l00166"></a>00166 canvas-><a class="code" href="structg15canvas.html#72392608296762012ddc923e426da312">ttf_fontsize</a>[face_num] = 0;
<a name="l00167"></a>00167 }
<a name="l00168"></a>00168 <span class="keywordflow">else</span>
<a name="l00169"></a>00169 {
<a name="l00170"></a>00170 <span class="keywordflow">if</span> (canvas-><a class="code" href="structg15canvas.html#72392608296762012ddc923e426da312">ttf_fontsize</a>[face_num]
<a name="l00171"></a>00171 && FT_IS_SCALABLE (canvas-><a class="code" href="structg15canvas.html#a83423fcdf43a1b2f5fddaaa96fb53a5">ttf_face</a>[face_num][0]))
<a name="l00172"></a>00172 errcode =
<a name="l00173"></a>00173 FT_Set_Char_Size (canvas-><a class="code" href="structg15canvas.html#a83423fcdf43a1b2f5fddaaa96fb53a5">ttf_face</a>[face_num][0], 0,
<a name="l00174"></a>00174 canvas-><a class="code" href="structg15canvas.html#72392608296762012ddc923e426da312">ttf_fontsize</a>[face_num] * 64, 90, 0);
<a name="l00175"></a>00175 }
<a name="l00176"></a>00176 }
<a name="l00177"></a>00177
<a name="l00178"></a>00178 <span class="keywordtype">int</span>
<a name="l00179"></a><a class="code" href="text_8c.html#59a322926e459e0677c7ac34e6c916d4">00179</a> <a class="code" href="text_8c.html#59a322926e459e0677c7ac34e6c916d4">calc_ttf_true_ypos</a> (FT_Face face, <span class="keywordtype">int</span> y, <span class="keywordtype">int</span> ttf_fontsize)
<a name="l00180"></a>00180 {
<a name="l00181"></a>00181
<a name="l00182"></a>00182 <span class="keywordflow">if</span> (!FT_IS_SCALABLE (face))
<a name="l00183"></a>00183 ttf_fontsize = face->available_sizes->height;
<a name="l00184"></a>00184
<a name="l00185"></a>00185 y += ttf_fontsize * .75;
<a name="l00186"></a>00186
<a name="l00187"></a>00187 <span class="keywordflow">return</span> y;
<a name="l00188"></a>00188 }
<a name="l00189"></a>00189
<a name="l00190"></a>00190 <span class="keywordtype">int</span>
<a name="l00191"></a><a class="code" href="text_8c.html#f04b0d13c29a7043ecec05d10bd70d50">00191</a> <a class="code" href="text_8c.html#f04b0d13c29a7043ecec05d10bd70d50">calc_ttf_totalstringwidth</a> (FT_Face face, <span class="keywordtype">char</span> *str)
<a name="l00192"></a>00192 {
<a name="l00193"></a>00193 FT_GlyphSlot slot = face->glyph;
<a name="l00194"></a>00194 FT_UInt glyph_index;
<a name="l00195"></a>00195 <span class="keywordtype">int</span> i, errcode;
<a name="l00196"></a>00196 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> len = strlen (str);
<a name="l00197"></a>00197 <span class="keywordtype">int</span> width = 0;
<a name="l00198"></a>00198
<a name="l00199"></a>00199 <span class="keywordflow">for</span> (i = 0; i < len; i++)
<a name="l00200"></a>00200 {
<a name="l00201"></a>00201 glyph_index = FT_Get_Char_Index (face, str[i]);
<a name="l00202"></a>00202 errcode = FT_Load_Glyph (face, glyph_index, 0);
<a name="l00203"></a>00203 width += slot->advance.x >> 6;
<a name="l00204"></a>00204 }
<a name="l00205"></a>00205 <span class="keywordflow">return</span> width;
<a name="l00206"></a>00206 }
<a name="l00207"></a>00207
<a name="l00208"></a>00208 <span class="keywordtype">int</span>
<a name="l00209"></a><a class="code" href="text_8c.html#1c36c2523e72901b667a1430a508398e">00209</a> <a class="code" href="text_8c.html#1c36c2523e72901b667a1430a508398e">calc_ttf_centering</a> (FT_Face face, <span class="keywordtype">char</span> *str)
<a name="l00210"></a>00210 {
<a name="l00211"></a>00211 <span class="keywordtype">int</span> leftpos;
<a name="l00212"></a>00212
<a name="l00213"></a>00213 leftpos = 80 - (<a class="code" href="text_8c.html#f04b0d13c29a7043ecec05d10bd70d50">calc_ttf_totalstringwidth</a> (face, str) / 2);
<a name="l00214"></a>00214 <span class="keywordflow">if</span> (leftpos < 1)
<a name="l00215"></a>00215 leftpos = 1;
<a name="l00216"></a>00216
<a name="l00217"></a>00217 <span class="keywordflow">return</span> leftpos;
<a name="l00218"></a>00218 }
<a name="l00219"></a>00219
<a name="l00220"></a>00220 <span class="keywordtype">int</span>
<a name="l00221"></a><a class="code" href="text_8c.html#0de56169aee750aaf5909d3870b005b0">00221</a> <a class="code" href="text_8c.html#0de56169aee750aaf5909d3870b005b0">calc_ttf_right_justify</a> (FT_Face face, <span class="keywordtype">char</span> *str)
<a name="l00222"></a>00222 {
<a name="l00223"></a>00223 <span class="keywordtype">int</span> leftpos;
<a name="l00224"></a>00224
<a name="l00225"></a>00225 leftpos = 160 - <a class="code" href="text_8c.html#f04b0d13c29a7043ecec05d10bd70d50">calc_ttf_totalstringwidth</a> (face, str);
<a name="l00226"></a>00226 <span class="keywordflow">if</span> (leftpos < 1)
<a name="l00227"></a>00227 leftpos = 1;
<a name="l00228"></a>00228
<a name="l00229"></a>00229 <span class="keywordflow">return</span> leftpos;
<a name="l00230"></a>00230 }
<a name="l00231"></a>00231
<a name="l00232"></a>00232 <span class="keywordtype">void</span>
<a name="l00233"></a><a class="code" href="text_8c.html#ff09119c46bd7f4456f3095f5f3c204b">00233</a> <a class="code" href="text_8c.html#ff09119c46bd7f4456f3095f5f3c204b">draw_ttf_char</a> (<a class="code" href="structg15canvas.html" title="This structure holds the data need to render objects to the LCD screen.">g15canvas</a> * canvas, FT_Bitmap charbitmap,
<a name="l00234"></a>00234 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> character, <span class="keywordtype">int</span> x, <span class="keywordtype">int</span> y, <span class="keywordtype">int</span> color)
<a name="l00235"></a>00235 {
<a name="l00236"></a>00236 FT_Int char_x, char_y, p, q;
<a name="l00237"></a>00237 FT_Int x_max = x + charbitmap.width;
<a name="l00238"></a>00238 FT_Int y_max = y + charbitmap.rows;
<a name="l00239"></a>00239 <span class="keyword">static</span> FT_Bitmap tmpbuffer;
<a name="l00240"></a>00240
<a name="l00241"></a>00241 <span class="comment">/* convert to 8bit format.. */</span>
<a name="l00242"></a>00242 FT_Bitmap_Convert (canvas-><a class="code" href="structg15canvas.html#497342d92d60f2bd38f26f539422c77c">ftLib</a>, &charbitmap, &tmpbuffer, 1);
<a name="l00243"></a>00243
<a name="l00244"></a>00244 <span class="keywordflow">for</span> (char_y = y, q = 0; char_y < y_max; char_y++, q++)
<a name="l00245"></a>00245 <span class="keywordflow">for</span> (char_x = x, p = 0; char_x < x_max; char_x++, p++)
<a name="l00246"></a>00246 <span class="keywordflow">if</span> (tmpbuffer.buffer[q * tmpbuffer.width + p])
<a name="l00247"></a>00247 <a class="code" href="libg15render_8h.html#55ea1758ff829b3cab04383f8a5eccd4" title="Sets the value of the pixel at (x, y).">g15r_setPixel</a> (canvas, char_x, char_y, color);
<a name="l00248"></a>00248 }
<a name="l00249"></a>00249
<a name="l00250"></a>00250 <span class="keywordtype">void</span>
<a name="l00251"></a><a class="code" href="text_8c.html#51eeeace2ae90765f72ffffd40e4cb21">00251</a> <a class="code" href="text_8c.html#51eeeace2ae90765f72ffffd40e4cb21">draw_ttf_str</a> (<a class="code" href="structg15canvas.html" title="This structure holds the data need to render objects to the LCD screen.">g15canvas</a> * canvas, <span class="keywordtype">char</span> *str, <span class="keywordtype">int</span> x, <span class="keywordtype">int</span> y, <span class="keywordtype">int</span> color,
<a name="l00252"></a>00252 FT_Face face)
<a name="l00253"></a>00253 {
<a name="l00254"></a>00254 FT_GlyphSlot slot = face->glyph;
<a name="l00255"></a>00255 <span class="keywordtype">int</span> i, errcode;
<a name="l00256"></a>00256 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> len = strlen (str);
<a name="l00257"></a>00257
<a name="l00258"></a>00258 <span class="keywordflow">for</span> (i = 0; i < len; i++)
<a name="l00259"></a>00259 {
<a name="l00260"></a>00260 errcode =
<a name="l00261"></a>00261 FT_Load_Char (face, str[i],
<a name="l00262"></a>00262 FT_LOAD_RENDER | FT_LOAD_MONOCHROME |
<a name="l00263"></a>00263 FT_LOAD_TARGET_MONO);
<a name="l00264"></a>00264 <a class="code" href="text_8c.html#ff09119c46bd7f4456f3095f5f3c204b">draw_ttf_char</a> (canvas, slot->bitmap, str[i], x + slot->bitmap_left,
<a name="l00265"></a>00265 y - slot->bitmap_top, color);
<a name="l00266"></a>00266 x += slot->advance.x >> 6;
<a name="l00267"></a>00267 }
<a name="l00268"></a>00268 }
<a name="l00269"></a>00269
<a name="l00282"></a>00282 <span class="keywordtype">void</span>
<a name="l00283"></a><a class="code" href="text_8c.html#08d09a91252b653ad7740098d67dce4b">00283</a> <a class="code" href="libg15render_8h.html#08d09a91252b653ad7740098d67dce4b" title="Prints a string in a given font.">g15r_ttfPrint</a> (<a class="code" href="structg15canvas.html" title="This structure holds the data need to render objects to the LCD screen.">g15canvas</a> * canvas, <span class="keywordtype">int</span> x, <span class="keywordtype">int</span> y, <span class="keywordtype">int</span> fontsize, <span class="keywordtype">int</span> face_num,
<a name="l00284"></a>00284 <span class="keywordtype">int</span> color, <span class="keywordtype">int</span> center, <span class="keywordtype">char</span> *print_string)
<a name="l00285"></a>00285 {
<a name="l00286"></a>00286 <span class="keywordtype">int</span> errcode = 0;
<a name="l00287"></a>00287
<a name="l00288"></a>00288 <span class="keywordflow">if</span> (canvas-><a class="code" href="structg15canvas.html#72392608296762012ddc923e426da312">ttf_fontsize</a>[face_num])
<a name="l00289"></a>00289 {
<a name="l00290"></a>00290 <span class="keywordflow">if</span> (fontsize > 0 && FT_IS_SCALABLE (canvas-><a class="code" href="structg15canvas.html#a83423fcdf43a1b2f5fddaaa96fb53a5">ttf_face</a>[face_num][0]))
<a name="l00291"></a>00291 {
<a name="l00292"></a>00292 canvas-><a class="code" href="structg15canvas.html#72392608296762012ddc923e426da312">ttf_fontsize</a>[face_num] = fontsize;
<a name="l00293"></a>00293 <span class="keywordtype">int</span> errcode =
<a name="l00294"></a>00294 FT_Set_Pixel_Sizes (canvas-><a class="code" href="structg15canvas.html#a83423fcdf43a1b2f5fddaaa96fb53a5">ttf_face</a>[face_num][0], 0,
<a name="l00295"></a>00295 canvas-><a class="code" href="structg15canvas.html#72392608296762012ddc923e426da312">ttf_fontsize</a>[face_num]);
<a name="l00296"></a>00296 <span class="keywordflow">if</span> (errcode)
<a name="l00297"></a>00297 printf (<span class="stringliteral">"Trouble setting the Glyph size!\n"</span>);
<a name="l00298"></a>00298 }
<a name="l00299"></a>00299 y =
<a name="l00300"></a>00300 <a class="code" href="text_8c.html#59a322926e459e0677c7ac34e6c916d4">calc_ttf_true_ypos</a> (canvas-><a class="code" href="structg15canvas.html#a83423fcdf43a1b2f5fddaaa96fb53a5">ttf_face</a>[face_num][0], y,
<a name="l00301"></a>00301 canvas-><a class="code" href="structg15canvas.html#72392608296762012ddc923e426da312">ttf_fontsize</a>[face_num]);
<a name="l00302"></a>00302 <span class="keywordflow">if</span> (center == 1)
<a name="l00303"></a>00303 x = <a class="code" href="text_8c.html#1c36c2523e72901b667a1430a508398e">calc_ttf_centering</a> (canvas-><a class="code" href="structg15canvas.html#a83423fcdf43a1b2f5fddaaa96fb53a5">ttf_face</a>[face_num][0], print_string);
<a name="l00304"></a>00304 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (center == 2)
<a name="l00305"></a>00305 x = <a class="code" href="text_8c.html#0de56169aee750aaf5909d3870b005b0">calc_ttf_right_justify</a> (canvas-><a class="code" href="structg15canvas.html#a83423fcdf43a1b2f5fddaaa96fb53a5">ttf_face</a>[face_num][0], print_string);
<a name="l00306"></a>00306 <a class="code" href="text_8c.html#51eeeace2ae90765f72ffffd40e4cb21">draw_ttf_str</a> (canvas, print_string, x, y, color,
<a name="l00307"></a>00307 canvas-><a class="code" href="structg15canvas.html#a83423fcdf43a1b2f5fddaaa96fb53a5">ttf_face</a>[face_num][0]);
<a name="l00308"></a>00308 }
<a name="l00309"></a>00309 }
<a name="l00310"></a>00310 <span class="preprocessor">#endif </span><span class="comment">/* TTF_SUPPORT */</span>
</pre></div></div>
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