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<a href="fontconv_8c.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/* This code is (C) AllegroGL contributors, and double licensed under</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * the GPL and zlib licenses. See gpl.txt or zlib.txt for details.</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> */</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include <math.h></span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include <string.h></span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include <stdio.h></span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> </div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include <allegro.h></span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include <allegro/internal/aintern.h></span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> </div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include "<a class="code" href="alleggl_8h.html">alleggl.h</a>"</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include "allglint.h"</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> </div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#ifdef ALLEGRO_MACOSX</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include <OpenGL/glu.h></span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <GL/glu.h></span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> </div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#if defined ALLEGRO_WITH_XWINDOWS && !defined ALLEGROGL_GENERIC_DRIVER</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include <xalleg.h></span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include <GL/glx.h></span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#define PREFIX_I "agl-font INFO: "</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#define PREFIX_W "agl-font WARNING: "</span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#define PREFIX_E "agl-font ERROR: "</span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> </div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> </div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment">/* Number of pixels between characters in a textured font.</span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment"> */</span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor">#define FONT_CHARACTER_SPACING 2</span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> </div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="comment">/* Uncomment to have the font generator dump screenshots of the textures it</span></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="comment"> * generates.</span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="comment"> */</span></div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="comment">/* #define SAVE_FONT_SCREENSHOT */</span></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> </div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="keyword">static</span> <span class="keywordtype">int</span> agl_get_font_height(AL_CONST FONT *f);</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="keyword">static</span> <span class="keywordtype">int</span> agl_char_length(<span class="keyword">const</span> FONT *f, <span class="keywordtype">int</span> ch);</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="keyword">static</span> <span class="keywordtype">int</span> agl_text_length(<span class="keyword">const</span> FONT *f, <span class="keyword">const</span> <span class="keywordtype">char</span> *str);</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> </div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="keyword">static</span> <span class="keywordtype">int</span> agl_get_font_ranges(FONT *f);</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="keyword">static</span> <span class="keywordtype">int</span> agl_get_font_range_begin(FONT *f, <span class="keywordtype">int</span> range);</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="keyword">static</span> <span class="keywordtype">int</span> agl_get_font_range_end(FONT *f, <span class="keywordtype">int</span> range);</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="keyword">static</span> FONT *agl_extract_font_range(FONT *f, <span class="keywordtype">int</span> start, <span class="keywordtype">int</span> end);</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="keyword">static</span> FONT *agl_merge_fonts(FONT *f1, FONT *f2);</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="preprocessor">#if GET_ALLEGRO_VERSION() >= MAKE_VER(4, 2, 0)</span></div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="keyword">static</span> <span class="keywordtype">int</span> agl_transpose_font(FONT *f, <span class="keywordtype">int</span> drange);</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> </div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> </div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> FONT_VTABLE _agl_font_vtable = {</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  agl_get_font_height,</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  agl_char_length,</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  agl_text_length,</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  NULL, <span class="comment">/* render_char */</span></div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  NULL, <span class="comment">/* render */</span></div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <a class="code" href="group__Text.html#gabcbdd9810f7254cdb105f987ae1e557f">allegro_gl_destroy_font</a>,</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  agl_get_font_ranges,</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  agl_get_font_range_begin,</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  agl_get_font_range_end,</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  agl_extract_font_range,</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  agl_merge_fonts,</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="preprocessor">#if GET_ALLEGRO_VERSION() >= MAKE_VER(4, 2, 0)</span></div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  agl_transpose_font</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span> };</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span> </div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span> </div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span> FONT_VTABLE *font_vtable_agl = &_agl_font_vtable;</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span> </div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="keyword">static</span> <span class="keywordtype">void</span> aglf_convert_allegro_font_to_bitmap(FONT_AGL_DATA *dest, FONT *f,</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keywordtype">void</span> *src, <span class="keywordtype">int</span> *height);</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="keyword">static</span> <span class="keywordtype">void</span> aglf_convert_allegro_font_to_texture(FONT_AGL_DATA **dest, FONT *f,</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keywordtype">void</span> *src, <span class="keywordtype">int</span> *height, <span class="keywordtype">float</span> scale, GLint format);</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="keyword">static</span> GLuint aglf_upload_texture(BITMAP *bmp, GLint format, <span class="keywordtype">int</span> has_alpha);</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="keyword">static</span> <span class="keywordtype">int</span> aglf_check_texture(BITMAP *bmp, GLint format, <span class="keywordtype">int</span> has_alpha);</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="keyword">static</span> BITMAP* look_for_texture(<span class="keywordtype">int</span> beg, <span class="keywordtype">int</span> end, AGL_GLYPH *glyphs,</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordtype">int</span> max_w, <span class="keywordtype">int</span> max_h, <span class="keywordtype">int</span> total_area,</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  GLint format, <span class="keywordtype">int</span> has_alpha);</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span> </div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span> </div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span> </div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span> <span class="keyword">union </span>mixed_ptr {</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  FONT_MONO_DATA* mf;</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  FONT_COLOR_DATA* cf;</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordtype">void</span> *ptr;</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span> };</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span> </div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span> </div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="comment">/* Stores info about a texture size */</span></div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span> <span class="keyword">typedef</span> <span class="keyword">struct </span>texture_size {</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keywordtype">int</span> w, h;</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span> } texture_size;</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span> </div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span> </div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span> </div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="keyword">static</span> <span class="keywordtype">int</span> agl_get_font_height(AL_CONST FONT *f) {</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keywordflow">return</span> f->height;</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span> }</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span> </div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span> </div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span> <span class="comment">/* iroundf:</span></div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span> <span class="comment"> * Round float to nearest integer, away from zero.</span></div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span> <span class="comment"> */</span></div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span> <span class="keyword">static</span> <span class="keywordtype">int</span> iroundf(<span class="keywordtype">float</span> v) {</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordtype">float</span> f = floor(v);</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keywordtype">float</span> c = ceil(v);</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span> </div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keywordflow">if</span> (v >= 0) {</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="comment">/* distance to ceil smaller than distance to floor */</span></div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keywordflow">if</span> ((c - v) < (v - f))</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keywordflow">return</span> (<span class="keywordtype">int</span>)c;</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keywordflow">return</span> (<span class="keywordtype">int</span>)f;</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  }</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keywordflow">else</span> {</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="comment">/* distance to ceil smaller than distance to floor */</span></div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordflow">if</span> ((c - v) < (v - f))</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keywordflow">return</span> (<span class="keywordtype">int</span>)f;</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keywordflow">return</span> (<span class="keywordtype">int</span>)c;</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  }</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span> }</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span> </div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span> </div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span> </div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span> <span class="comment">/* agl_char_length_fractional:</span></div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span> <span class="comment"> * Returns the width, in fractional pixels of the given character.</span></div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span> <span class="comment"> */</span></div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span> <span class="keyword">static</span> <span class="keywordtype">float</span> agl_char_length_fractional(<span class="keyword">const</span> FONT *f, <span class="keywordtype">int</span> ch) {</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  FONT_AGL_DATA *fad = f->data;</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span> </div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keywordflow">if</span> (fad->type == <a class="code" href="group__Text.html#ga92bf039bc7b06568273ee17f15cf6671">AGL_FONT_TYPE_TEXTURED</a>) {</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keywordflow">while</span> (fad) {</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keywordflow">if</span> (ch >= fad->start && ch < fad->end) {</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  AGL_GLYPH *coords = &(fad->glyph_coords[ch - fad->start]);</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keywordflow">return</span> (coords->offset_x + coords->w + coords->offset_w)</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  / fabs(fad->scale);</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  }</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span> </div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  fad = fad->next;</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  }</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  }</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (fad->type == <a class="code" href="group__Text.html#ga7ed8fdc1b0065d2fe584b15d69108b1a">AGL_FONT_TYPE_BITMAP</a>) {</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="keywordflow">while</span> (fad) {</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keywordflow">if</span> (ch >= fad->start && ch < fad->end) {</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  FONT_GLYPH **gl = fad->data;</div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keywordflow">return</span> gl[ch - fad->start]->w;</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  }</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span> </div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  fad = fad->next;</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  }</div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  }</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span> </div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="comment">/* if we don't find the character, then search for the missing</span></div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span> <span class="comment"> * glyph, but don't get stuck in a loop. */</span></div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keywordflow">if</span> (ch != allegro_404_char)</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keywordflow">return</span> agl_char_length_fractional(f, allegro_404_char);</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span> </div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="keywordflow">return</span> 0;</div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span> }</div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span> </div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span> </div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span> </div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span> <span class="comment">/* agl_char_length:</span></div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span> <span class="comment"> * font vtable entry</span></div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span> <span class="comment"> * Returns the width, in pixels of the given character.</span></div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span> <span class="comment"> */</span></div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span> <span class="keyword">static</span> <span class="keywordtype">int</span> agl_char_length(<span class="keyword">const</span> FONT *f, <span class="keywordtype">int</span> ch) {</div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="keywordflow">return</span> iroundf(agl_char_length_fractional(f, ch));</div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span> }</div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span> </div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span> </div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span> </div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span> <span class="comment">/* agl_text_length:</span></div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span> <span class="comment"> * font vtable entry</span></div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span> <span class="comment"> * Returns the length, in pixels, of a string as rendered in a font.</span></div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span> <span class="comment"> */</span></div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span> <span class="keyword">static</span> <span class="keywordtype">int</span> agl_text_length(<span class="keyword">const</span> FONT *f, <span class="keyword">const</span> <span class="keywordtype">char</span> *str) {</div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="keywordtype">int</span> ch = 0;</div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="keywordtype">float</span> l = 0;</div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> *p = str;</div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  ASSERT(f);</div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  ASSERT(str);</div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span> </div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="keywordflow">while</span> ( (ch = ugetxc(&p)) ) {</div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  l += agl_char_length_fractional(f, ch);</div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  }</div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span> </div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="keywordflow">return</span> iroundf(l);</div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span> }</div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span> </div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span> </div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span> </div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span> <span class="comment">/* agl_get_font_ranges:</span></div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span> <span class="comment"> * font vtable entry</span></div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span> <span class="comment"> * Returns the number of character ranges in a font, or -1 if that information</span></div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span> <span class="comment"> * is not available.</span></div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span> <span class="comment"> */</span></div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span> <span class="keyword">static</span> <span class="keywordtype">int</span> agl_get_font_ranges(FONT *f) {</div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  FONT_AGL_DATA *fad;</div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="keywordtype">int</span> ranges = 0;</div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span> </div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="keywordflow">if</span> (!f)</div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="keywordflow">return</span> 0;</div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span> </div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  fad = (FONT_AGL_DATA*)(f->data);</div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span> </div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="keywordflow">while</span> (fad) {</div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  FONT_AGL_DATA *next = fad->next;</div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span> </div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  ranges++;</div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="keywordflow">if</span> (!next)</div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="keywordflow">return</span> ranges;</div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  fad = next;</div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  }</div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span> </div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <span class="keywordflow">return</span> -1;</div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span> }</div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span> </div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span> </div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span> </div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span> <span class="comment">/* agl_get_font_range_begin:</span></div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span> <span class="comment"> * font vtable entry</span></div><div class="line"><a name="l00238"></a><span class="lineno"> 238</span> <span class="comment"> * Get first character for font.</span></div><div class="line"><a name="l00239"></a><span class="lineno"> 239</span> <span class="comment"> */</span></div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span> <span class="keyword">static</span> <span class="keywordtype">int</span> agl_get_font_range_begin(FONT *f, <span class="keywordtype">int</span> range) {</div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  FONT_AGL_DATA *fad;</div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="keywordtype">int</span> n = 0;</div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span> </div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <span class="keywordflow">if</span> (!f || !f->data)</div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <span class="keywordflow">return</span> -1;</div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span> </div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  <span class="keywordflow">if</span> (range < 0)</div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  range = 0;</div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span> </div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  fad = (FONT_AGL_DATA*)(f->data);</div><div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  <span class="keywordflow">while</span> (fad && n <= range) {</div><div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  FONT_AGL_DATA *next = fad->next;</div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span> </div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  <span class="keywordflow">if</span> (!next || range == n)</div><div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  <span class="keywordflow">return</span> fad->start;</div><div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  fad = next;</div><div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  n++;</div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  }</div><div class="line"><a name="l00259"></a><span class="lineno"> 259</span> </div><div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  <span class="keywordflow">return</span> -1;</div><div class="line"><a name="l00261"></a><span class="lineno"> 261</span> }</div><div class="line"><a name="l00262"></a><span class="lineno"> 262</span> </div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span> </div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span> </div><div class="line"><a name="l00265"></a><span class="lineno"> 265</span> <span class="comment">/* agl_get_font_range_end:</span></div><div class="line"><a name="l00266"></a><span class="lineno"> 266</span> <span class="comment"> * font vtable entry</span></div><div class="line"><a name="l00267"></a><span class="lineno"> 267</span> <span class="comment"> * Get last character for font range.</span></div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span> <span class="comment"> */</span></div><div class="line"><a name="l00269"></a><span class="lineno"> 269</span> <span class="keyword">static</span> <span class="keywordtype">int</span> agl_get_font_range_end(FONT *f, <span class="keywordtype">int</span> range) {</div><div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  FONT_AGL_DATA* fad = 0;</div><div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <span class="keywordtype">int</span> n = 0;</div><div class="line"><a name="l00272"></a><span class="lineno"> 272</span> </div><div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  <span class="keywordflow">if</span> (!f || !f->data)</div><div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  <span class="keywordflow">return</span> -1;</div><div class="line"><a name="l00275"></a><span class="lineno"> 275</span> </div><div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  fad = (FONT_AGL_DATA*)(f->data);</div><div class="line"><a name="l00277"></a><span class="lineno"> 277</span> </div><div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  <span class="keywordflow">while</span> (fad && (n <= range || range == -1)) {</div><div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  FONT_AGL_DATA *next = fad->next;</div><div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  <span class="keywordflow">if</span> (!next || range == n)</div><div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  <span class="keywordflow">return</span> fad->end - 1;</div><div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  fad = next;</div><div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  n++;</div><div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  }</div><div class="line"><a name="l00285"></a><span class="lineno"> 285</span> </div><div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <span class="keywordflow">return</span> -1;</div><div class="line"><a name="l00287"></a><span class="lineno"> 287</span> }</div><div class="line"><a name="l00288"></a><span class="lineno"> 288</span> </div><div class="line"><a name="l00289"></a><span class="lineno"> 289</span> </div><div class="line"><a name="l00290"></a><span class="lineno"> 290</span> </div><div class="line"><a name="l00291"></a><span class="lineno"> 291</span> <span class="comment">/* Creates a call lists from given glyph coords. Returns list base.*/</span></div><div class="line"><a name="l00292"></a><span class="lineno"> 292</span> <span class="keyword">static</span> <span class="keywordtype">int</span> create_textured_font_call_lists(AGL_GLYPH *coords, <span class="keywordtype">int</span> max, BITMAP *bmp,</div><div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  <span class="keywordtype">float</span> scale, <span class="keywordtype">int</span> *height) {</div><div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  GLuint list;</div><div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  <span class="keywordtype">int</span> i;</div><div class="line"><a name="l00296"></a><span class="lineno"> 296</span> </div><div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  <span class="keywordtype">int</span> rev = scale < 0 ? 1 : 0;</div><div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  scale = fabs(scale);</div><div class="line"><a name="l00299"></a><span class="lineno"> 299</span> </div><div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  list = glGenLists(max);</div><div class="line"><a name="l00301"></a><span class="lineno"> 301</span> </div><div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  <span class="keywordflow">for</span> (i = 0; i < max; i++) {</div><div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  <span class="comment">/* Coords of glyph in texture (texture coords) */</span></div><div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  <span class="keywordtype">float</span> tx = (float)coords[i].x / bmp->w;</div><div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  <span class="keywordtype">float</span> ty = 1.0 - (<span class="keywordtype">float</span>)coords[i].y / bmp->h;</div><div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  <span class="comment">/* Size of glyph in texture (texture coords) */</span></div><div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  <span class="keywordtype">float</span> dtx = (float)(coords[i].w) / bmp->w;</div><div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  <span class="keywordtype">float</span> dty = (float)(coords[i].h) / bmp->h;</div><div class="line"><a name="l00309"></a><span class="lineno"> 309</span> </div><div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  <span class="comment">/* Offset to apply to glyph (output coords) */</span></div><div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  <span class="keywordtype">float</span> xoffs = (float)coords[i].offset_x / scale;</div><div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  <span class="keywordtype">float</span> yoffs = (float)coords[i].offset_y / scale;</div><div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  <span class="comment">/* Size of rendered glyph (output coords) */</span></div><div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  <span class="keywordtype">float</span> woffs = (float)coords[i].w / scale;</div><div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  <span class="keywordtype">float</span> hoffs = (float)coords[i].h / scale;</div><div class="line"><a name="l00316"></a><span class="lineno"> 316</span> </div><div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  <span class="comment">/* Size of overall screen character including dead space */</span></div><div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  <span class="keywordtype">float</span> sizew = (float)(coords[i].offset_x + coords[i].w</div><div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  + coords[i].offset_w) / scale;</div><div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  <span class="keywordtype">int</span> sizeh = iroundf((coords[i].offset_y + coords[i].h</div><div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  + coords[i].offset_h) / scale);</div><div class="line"><a name="l00322"></a><span class="lineno"> 322</span> </div><div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  <span class="keywordflow">if</span> ((*height) < sizeh)</div><div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  *height = sizeh;</div><div class="line"><a name="l00325"></a><span class="lineno"> 325</span> </div><div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  <span class="keywordflow">if</span> (rev) {</div><div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  hoffs = -hoffs;</div><div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  yoffs = -yoffs;</div><div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  }</div><div class="line"><a name="l00330"></a><span class="lineno"> 330</span> </div><div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  glNewList(list + i, GL_COMPILE);</div><div class="line"><a name="l00332"></a><span class="lineno"> 332</span> </div><div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  glBegin(GL_QUADS);</div><div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  glTexCoord2f(tx, ty);</div><div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  glVertex2f(xoffs, -yoffs);</div><div class="line"><a name="l00336"></a><span class="lineno"> 336</span> </div><div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  glTexCoord2f(tx + dtx, ty);</div><div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  glVertex2f(xoffs + woffs, -yoffs);</div><div class="line"><a name="l00339"></a><span class="lineno"> 339</span> </div><div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  glTexCoord2f(tx + dtx, ty - dty);</div><div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  glVertex2f(xoffs + woffs, -yoffs - hoffs);</div><div class="line"><a name="l00342"></a><span class="lineno"> 342</span> </div><div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  glTexCoord2f(tx, ty - dty);</div><div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  glVertex2f(xoffs, -yoffs - hoffs);</div><div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  glEnd();</div><div class="line"><a name="l00346"></a><span class="lineno"> 346</span> </div><div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  glTranslatef(sizew, 0, 0);</div><div class="line"><a name="l00348"></a><span class="lineno"> 348</span> </div><div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  glEndList();</div><div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  }</div><div class="line"><a name="l00351"></a><span class="lineno"> 351</span> </div><div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  <span class="keywordflow">return</span> list;</div><div class="line"><a name="l00353"></a><span class="lineno"> 353</span> }</div><div class="line"><a name="l00354"></a><span class="lineno"> 354</span> </div><div class="line"><a name="l00355"></a><span class="lineno"> 355</span> </div><div class="line"><a name="l00356"></a><span class="lineno"> 356</span> </div><div class="line"><a name="l00357"></a><span class="lineno"> 357</span> <span class="comment">/* copy_glyph_range:</span></div><div class="line"><a name="l00358"></a><span class="lineno"> 358</span> <span class="comment"> * Copies part of glyph range.</span></div><div class="line"><a name="l00359"></a><span class="lineno"> 359</span> <span class="comment"> */</span></div><div class="line"><a name="l00360"></a><span class="lineno"> 360</span> <span class="keyword">static</span> FONT_AGL_DATA* copy_glyph_range(FONT_AGL_DATA *fad, <span class="keywordtype">int</span> start, <span class="keywordtype">int</span> end,</div><div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  <span class="keywordtype">int</span> *height) {</div><div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  <span class="keywordtype">int</span> i, count, w = 0, h = 0;</div><div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  AGL_GLYPH *coords;</div><div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  BITMAP *bmp, *srcbmp;</div><div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  FONT_AGL_DATA *newfad = NULL;</div><div class="line"><a name="l00366"></a><span class="lineno"> 366</span> </div><div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  <span class="keywordflow">if</span> (fad->type != <a class="code" href="group__Text.html#ga92bf039bc7b06568273ee17f15cf6671">AGL_FONT_TYPE_TEXTURED</a>)</div><div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  <span class="keywordflow">return</span> NULL;</div><div class="line"><a name="l00369"></a><span class="lineno"> 369</span> </div><div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  count = end - start;</div><div class="line"><a name="l00371"></a><span class="lineno"> 371</span> </div><div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  coords = malloc(count * <span class="keyword">sizeof</span> (AGL_GLYPH));</div><div class="line"><a name="l00373"></a><span class="lineno"> 373</span> </div><div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  <span class="comment">/* for now, just copy glyph coords of the range */</span></div><div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  <span class="keywordflow">for</span> (i = 0; i < count; i++) {</div><div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  coords[i] = fad->glyph_coords[start - fad->start + i];</div><div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  coords[i].glyph_num = i;</div><div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  }</div><div class="line"><a name="l00379"></a><span class="lineno"> 379</span> </div><div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  <span class="comment">/* calculate the width of the glyphs and find the max height */</span></div><div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  <span class="keywordflow">for</span> (i = 0; i < count; i++) {</div><div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  <span class="keywordtype">int</span> hh = coords[i].h + coords[i].offset_y + coords[i].offset_h;</div><div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  <span class="keywordflow">if</span> (h < hh)</div><div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  h = hh;</div><div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  w += coords[i].w + coords[i].offset_w + coords[i].offset_x;</div><div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  }</div><div class="line"><a name="l00387"></a><span class="lineno"> 387</span> </div><div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  srcbmp = (BITMAP*)fad->data;</div><div class="line"><a name="l00389"></a><span class="lineno"> 389</span> </div><div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  <span class="comment">/* allocate a new bitmap to hold new glyphs */</span></div><div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  w = __allegro_gl_make_power_of_2(w);</div><div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  h = __allegro_gl_make_power_of_2(h);</div><div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  bmp = create_bitmap_ex(bitmap_color_depth(srcbmp), w, h);</div><div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  <span class="keywordflow">if</span> (!bmp) {</div><div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  TRACE(PREFIX_E <span class="stringliteral">"copy_glyph_range: Unable to create bitmap of size"</span></div><div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  <span class="stringliteral">"%ix%i pixels!\n"</span>, w, h);</div><div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  free(coords);</div><div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  <span class="keywordflow">return</span> NULL;</div><div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  }</div><div class="line"><a name="l00400"></a><span class="lineno"> 400</span> </div><div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  <span class="keywordflow">if</span> (__allegro_gl_get_num_channels(fad->format) == 4) {</div><div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  clear_to_color(bmp, bitmap_mask_color(bmp));</div><div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  }</div><div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  <span class="keywordflow">else</span> {</div><div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  clear_bitmap(bmp);</div><div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  }</div><div class="line"><a name="l00407"></a><span class="lineno"> 407</span> </div><div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  <span class="comment">/* blit every glyph from the range to the new bitmap */</span></div><div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  w = 0;</div><div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  <span class="keywordflow">for</span> (i = 0; i < count; i++) {</div><div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  <span class="keywordtype">int</span> ch = start - fad->start + i;</div><div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  <span class="keywordtype">int</span> ww = coords[i].w + coords[i].offset_w + coords[i].offset_x;</div><div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  blit(srcbmp, bmp, fad->glyph_coords[ch].x, 0, w, 0, ww, bmp->h);</div><div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  <span class="comment">/* fix new glyphs coords while here */</span></div><div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  coords[i].x = w;</div><div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  w += ww;</div><div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  }</div><div class="line"><a name="l00418"></a><span class="lineno"> 418</span> </div><div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  newfad = malloc(<span class="keyword">sizeof</span>(<span class="keyword">struct</span> FONT_AGL_DATA));</div><div class="line"><a name="l00420"></a><span class="lineno"> 420</span> </div><div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  newfad->type = <a class="code" href="group__Text.html#ga92bf039bc7b06568273ee17f15cf6671">AGL_FONT_TYPE_TEXTURED</a>;</div><div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  newfad->is_free_chunk = 0;</div><div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  newfad->scale = fad->scale;</div><div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  newfad->format = fad->format;</div><div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  newfad->has_alpha = fad->has_alpha;</div><div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  newfad->start = start;</div><div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  newfad->end = end;</div><div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  newfad->data = bmp;</div><div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  newfad->glyph_coords = coords;</div><div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  newfad->next = NULL;</div><div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  newfad->list_base = create_textured_font_call_lists(coords, count, bmp,</div><div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  newfad->scale, height);</div><div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  newfad->texture = aglf_upload_texture(bmp, newfad->format, newfad->has_alpha);</div><div class="line"><a name="l00434"></a><span class="lineno"> 434</span> </div><div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  <span class="keywordflow">return</span> newfad;</div><div class="line"><a name="l00436"></a><span class="lineno"> 436</span> }</div><div class="line"><a name="l00437"></a><span class="lineno"> 437</span> </div><div class="line"><a name="l00438"></a><span class="lineno"> 438</span> </div><div class="line"><a name="l00439"></a><span class="lineno"> 439</span> </div><div class="line"><a name="l00440"></a><span class="lineno"> 440</span> <span class="comment">/* agl_extract_font_range:</span></div><div class="line"><a name="l00441"></a><span class="lineno"> 441</span> <span class="comment"> * font vtable entry</span></div><div class="line"><a name="l00442"></a><span class="lineno"> 442</span> <span class="comment"> * Extracts a glyph range from a given font and makes a new font of it.</span></div><div class="line"><a name="l00443"></a><span class="lineno"> 443</span> <span class="comment"> */</span></div><div class="line"><a name="l00444"></a><span class="lineno"> 444</span> <span class="keyword">static</span> FONT *agl_extract_font_range(FONT *f, <span class="keywordtype">int</span> start, <span class="keywordtype">int</span> end) {</div><div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  FONT *retval = NULL;</div><div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  FONT_AGL_DATA *fad, *next, *newfad = NULL;</div><div class="line"><a name="l00447"></a><span class="lineno"> 447</span>  <span class="keywordtype">int</span> count;</div><div class="line"><a name="l00448"></a><span class="lineno"> 448</span> </div><div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  <span class="keywordflow">if</span> (!f)</div><div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  <span class="keywordflow">return</span> NULL;</div><div class="line"><a name="l00451"></a><span class="lineno"> 451</span> </div><div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  <span class="comment">/* check if range boundaries make sense */</span></div><div class="line"><a name="l00453"></a><span class="lineno"> 453</span>  <span class="keywordflow">if</span> (start == -1 && end == -1) {</div><div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  }</div><div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (start == -1 && end > agl_get_font_range_begin(f, -1)) {</div><div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  }</div><div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (end == -1 && start <= agl_get_font_range_end(f, -1)) {</div><div class="line"><a name="l00458"></a><span class="lineno"> 458</span>  }</div><div class="line"><a name="l00459"></a><span class="lineno"> 459</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (start <= end && start != -1 && end != -1) {</div><div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  }</div><div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00462"></a><span class="lineno"> 462</span>  <span class="keywordflow">return</span> NULL;</div><div class="line"><a name="l00463"></a><span class="lineno"> 463</span> </div><div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  fad = (FONT_AGL_DATA*)f->data;</div><div class="line"><a name="l00465"></a><span class="lineno"> 465</span> </div><div class="line"><a name="l00466"></a><span class="lineno"> 466</span>  <span class="comment">/* only textured fonts are supported */</span></div><div class="line"><a name="l00467"></a><span class="lineno"> 467</span>  if (fad->type != <a class="code" href="group__Text.html#ga92bf039bc7b06568273ee17f15cf6671">AGL_FONT_TYPE_TEXTURED</a>)</div><div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  <span class="keywordflow">return</span> NULL;</div><div class="line"><a name="l00469"></a><span class="lineno"> 469</span> </div><div class="line"><a name="l00470"></a><span class="lineno"> 470</span>  <span class="comment">/* anticipate invalid range values */</span></div><div class="line"><a name="l00471"></a><span class="lineno"> 471</span>  start = MAX(start, agl_get_font_range_begin(f, -1));</div><div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  <span class="keywordflow">if</span> (end > -1) {</div><div class="line"><a name="l00473"></a><span class="lineno"> 473</span>  end = MIN(end, agl_get_font_range_end(f, -1));</div><div class="line"><a name="l00474"></a><span class="lineno"> 474</span>  }</div><div class="line"><a name="l00475"></a><span class="lineno"> 475</span>  <span class="keywordflow">else</span> {</div><div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  end = agl_get_font_range_end(f, -1);</div><div class="line"><a name="l00477"></a><span class="lineno"> 477</span>  }</div><div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  end++;</div><div class="line"><a name="l00479"></a><span class="lineno"> 479</span> </div><div class="line"><a name="l00480"></a><span class="lineno"> 480</span>  retval = malloc(<span class="keyword">sizeof</span> (<span class="keyword">struct</span> FONT));</div><div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  retval->height = 0;</div><div class="line"><a name="l00482"></a><span class="lineno"> 482</span>  retval->vtable = font_vtable_agl;</div><div class="line"><a name="l00483"></a><span class="lineno"> 483</span> </div><div class="line"><a name="l00484"></a><span class="lineno"> 484</span>  next = fad;</div><div class="line"><a name="l00485"></a><span class="lineno"> 485</span>  count = end - start;</div><div class="line"><a name="l00486"></a><span class="lineno"> 486</span> </div><div class="line"><a name="l00487"></a><span class="lineno"> 487</span>  <span class="keywordflow">while</span> (next) {</div><div class="line"><a name="l00488"></a><span class="lineno"> 488</span>  <span class="comment">/* find the range that is covered by the requested range</span></div><div class="line"><a name="l00489"></a><span class="lineno"> 489</span> <span class="comment"> * check if the requested and processed ranges at least overlap</span></div><div class="line"><a name="l00490"></a><span class="lineno"> 490</span> <span class="comment"> * or if the requested range wraps processed range.</span></div><div class="line"><a name="l00491"></a><span class="lineno"> 491</span> <span class="comment"> */</span></div><div class="line"><a name="l00492"></a><span class="lineno"> 492</span>  <span class="keywordflow">if</span> ((start >= next->start && start < next->end)</div><div class="line"><a name="l00493"></a><span class="lineno"> 493</span>  || (end <= next->end && end > next->start)</div><div class="line"><a name="l00494"></a><span class="lineno"> 494</span>  || (start < next->start && end > next->end)) {</div><div class="line"><a name="l00495"></a><span class="lineno"> 495</span>  <span class="keywordtype">int</span> local_start, local_end;</div><div class="line"><a name="l00496"></a><span class="lineno"> 496</span> </div><div class="line"><a name="l00497"></a><span class="lineno"> 497</span>  <span class="comment">/* extract the overlapping range */</span></div><div class="line"><a name="l00498"></a><span class="lineno"> 498</span>  local_start = MAX(next->start, start);</div><div class="line"><a name="l00499"></a><span class="lineno"> 499</span>  local_end = MIN(next->end, end);</div><div class="line"><a name="l00500"></a><span class="lineno"> 500</span> </div><div class="line"><a name="l00501"></a><span class="lineno"> 501</span>  <span class="keywordflow">if</span> (newfad) {</div><div class="line"><a name="l00502"></a><span class="lineno"> 502</span>  newfad->next = copy_glyph_range(next, local_start, local_end,</div><div class="line"><a name="l00503"></a><span class="lineno"> 503</span>  &(retval->height));</div><div class="line"><a name="l00504"></a><span class="lineno"> 504</span>  newfad = newfad->next;</div><div class="line"><a name="l00505"></a><span class="lineno"> 505</span>  newfad->is_free_chunk = TRUE;</div><div class="line"><a name="l00506"></a><span class="lineno"> 506</span>  }</div><div class="line"><a name="l00507"></a><span class="lineno"> 507</span>  <span class="keywordflow">else</span> {</div><div class="line"><a name="l00508"></a><span class="lineno"> 508</span>  newfad = copy_glyph_range(next, local_start, local_end,</div><div class="line"><a name="l00509"></a><span class="lineno"> 509</span>  &(retval->height));</div><div class="line"><a name="l00510"></a><span class="lineno"> 510</span>  retval->data = newfad;</div><div class="line"><a name="l00511"></a><span class="lineno"> 511</span>  }</div><div class="line"><a name="l00512"></a><span class="lineno"> 512</span>  }</div><div class="line"><a name="l00513"></a><span class="lineno"> 513</span> </div><div class="line"><a name="l00514"></a><span class="lineno"> 514</span>  next = next->next;</div><div class="line"><a name="l00515"></a><span class="lineno"> 515</span>  }</div><div class="line"><a name="l00516"></a><span class="lineno"> 516</span> </div><div class="line"><a name="l00517"></a><span class="lineno"> 517</span>  <span class="keywordflow">return</span> retval;</div><div class="line"><a name="l00518"></a><span class="lineno"> 518</span> }</div><div class="line"><a name="l00519"></a><span class="lineno"> 519</span> </div><div class="line"><a name="l00520"></a><span class="lineno"> 520</span> </div><div class="line"><a name="l00521"></a><span class="lineno"> 521</span> </div><div class="line"><a name="l00522"></a><span class="lineno"> 522</span> <span class="comment">/* agl_merge_fonts:</span></div><div class="line"><a name="l00523"></a><span class="lineno"> 523</span> <span class="comment"> * font vtable entry</span></div><div class="line"><a name="l00524"></a><span class="lineno"> 524</span> <span class="comment"> * Merges f2 with f1 and returns a new font.</span></div><div class="line"><a name="l00525"></a><span class="lineno"> 525</span> <span class="comment"> */</span></div><div class="line"><a name="l00526"></a><span class="lineno"> 526</span> <span class="keyword">static</span> FONT *agl_merge_fonts(FONT *f1, FONT *f2) {</div><div class="line"><a name="l00527"></a><span class="lineno"> 527</span>  FONT *retval;</div><div class="line"><a name="l00528"></a><span class="lineno"> 528</span>  FONT_AGL_DATA *fad1, *fad2, *fad = NULL;</div><div class="line"><a name="l00529"></a><span class="lineno"> 529</span>  <span class="keywordtype">int</span> phony = 0;</div><div class="line"><a name="l00530"></a><span class="lineno"> 530</span> </div><div class="line"><a name="l00531"></a><span class="lineno"> 531</span>  <span class="keywordflow">if</span> (!f1 || !f2)</div><div class="line"><a name="l00532"></a><span class="lineno"> 532</span>  <span class="keywordflow">return</span> NULL;</div><div class="line"><a name="l00533"></a><span class="lineno"> 533</span> </div><div class="line"><a name="l00534"></a><span class="lineno"> 534</span>  fad1 = (FONT_AGL_DATA*)f1->data;</div><div class="line"><a name="l00535"></a><span class="lineno"> 535</span>  fad2 = (FONT_AGL_DATA*)f2->data;</div><div class="line"><a name="l00536"></a><span class="lineno"> 536</span> </div><div class="line"><a name="l00537"></a><span class="lineno"> 537</span>  <span class="comment">/* fonts must be textured and of the same format */</span></div><div class="line"><a name="l00538"></a><span class="lineno"> 538</span>  <span class="keywordflow">if</span> (fad1->type != <a class="code" href="group__Text.html#ga92bf039bc7b06568273ee17f15cf6671">AGL_FONT_TYPE_TEXTURED</a> ||</div><div class="line"><a name="l00539"></a><span class="lineno"> 539</span>  fad2->type != <a class="code" href="group__Text.html#ga92bf039bc7b06568273ee17f15cf6671">AGL_FONT_TYPE_TEXTURED</a>)</div><div class="line"><a name="l00540"></a><span class="lineno"> 540</span>  <span class="keywordflow">return</span> NULL;</div><div class="line"><a name="l00541"></a><span class="lineno"> 541</span> </div><div class="line"><a name="l00542"></a><span class="lineno"> 542</span>  <span class="keywordflow">if</span> (fad1->format != fad2->format)</div><div class="line"><a name="l00543"></a><span class="lineno"> 543</span>  <span class="keywordflow">return</span> NULL;</div><div class="line"><a name="l00544"></a><span class="lineno"> 544</span> </div><div class="line"><a name="l00545"></a><span class="lineno"> 545</span>  <span class="comment">/* alloc output font */</span></div><div class="line"><a name="l00546"></a><span class="lineno"> 546</span>  retval = malloc(<span class="keyword">sizeof</span>(<span class="keyword">struct</span> FONT));</div><div class="line"><a name="l00547"></a><span class="lineno"> 547</span>  retval->vtable = font_vtable_agl;</div><div class="line"><a name="l00548"></a><span class="lineno"> 548</span>  retval->height = MAX(f1->height, f2->height);</div><div class="line"><a name="l00549"></a><span class="lineno"> 549</span> </div><div class="line"><a name="l00550"></a><span class="lineno"> 550</span>  <span class="keywordflow">while</span> (fad1 || fad2) {</div><div class="line"><a name="l00551"></a><span class="lineno"> 551</span>  <span class="keywordflow">if</span> (fad1 && (!fad2 || fad1->start < fad2->start)) {</div><div class="line"><a name="l00552"></a><span class="lineno"> 552</span>  <span class="keywordflow">if</span> (fad) {</div><div class="line"><a name="l00553"></a><span class="lineno"> 553</span>  fad->next = copy_glyph_range(fad1, fad1->start, fad1->end,</div><div class="line"><a name="l00554"></a><span class="lineno"> 554</span>  &phony);</div><div class="line"><a name="l00555"></a><span class="lineno"> 555</span>  fad = fad->next;</div><div class="line"><a name="l00556"></a><span class="lineno"> 556</span>  fad->is_free_chunk = TRUE;</div><div class="line"><a name="l00557"></a><span class="lineno"> 557</span>  }</div><div class="line"><a name="l00558"></a><span class="lineno"> 558</span>  <span class="keywordflow">else</span> {</div><div class="line"><a name="l00559"></a><span class="lineno"> 559</span>  fad = copy_glyph_range(fad1, fad1->start, fad1->end, &phony);</div><div class="line"><a name="l00560"></a><span class="lineno"> 560</span>  retval->data = fad;</div><div class="line"><a name="l00561"></a><span class="lineno"> 561</span>  }</div><div class="line"><a name="l00562"></a><span class="lineno"> 562</span>  fad1 = fad1->next;</div><div class="line"><a name="l00563"></a><span class="lineno"> 563</span>  }</div><div class="line"><a name="l00564"></a><span class="lineno"> 564</span>  <span class="keywordflow">else</span> {</div><div class="line"><a name="l00565"></a><span class="lineno"> 565</span>  <span class="keywordflow">if</span> (fad) {</div><div class="line"><a name="l00566"></a><span class="lineno"> 566</span>  fad->next = copy_glyph_range(fad2, fad2->start, fad2->end,</div><div class="line"><a name="l00567"></a><span class="lineno"> 567</span>  &phony);</div><div class="line"><a name="l00568"></a><span class="lineno"> 568</span>  fad = fad->next;</div><div class="line"><a name="l00569"></a><span class="lineno"> 569</span>  fad->is_free_chunk = TRUE;</div><div class="line"><a name="l00570"></a><span class="lineno"> 570</span>  }</div><div class="line"><a name="l00571"></a><span class="lineno"> 571</span>  <span class="keywordflow">else</span> {</div><div class="line"><a name="l00572"></a><span class="lineno"> 572</span>  fad = copy_glyph_range(fad2, fad2->start, fad2->end, &phony);</div><div class="line"><a name="l00573"></a><span class="lineno"> 573</span>  retval->data = fad;</div><div class="line"><a name="l00574"></a><span class="lineno"> 574</span>  }</div><div class="line"><a name="l00575"></a><span class="lineno"> 575</span>  fad2 = fad2->next;</div><div class="line"><a name="l00576"></a><span class="lineno"> 576</span>  }</div><div class="line"><a name="l00577"></a><span class="lineno"> 577</span>  }</div><div class="line"><a name="l00578"></a><span class="lineno"> 578</span> </div><div class="line"><a name="l00579"></a><span class="lineno"> 579</span>  <span class="keywordflow">return</span> retval;</div><div class="line"><a name="l00580"></a><span class="lineno"> 580</span> }</div><div class="line"><a name="l00581"></a><span class="lineno"> 581</span> </div><div class="line"><a name="l00582"></a><span class="lineno"> 582</span> </div><div class="line"><a name="l00583"></a><span class="lineno"> 583</span> </div><div class="line"><a name="l00584"></a><span class="lineno"> 584</span> <span class="preprocessor">#if GET_ALLEGRO_VERSION() >= MAKE_VER(4, 2, 0)</span></div><div class="line"><a name="l00585"></a><span class="lineno"> 585</span> <span class="comment">/* agl_transpose_font:</span></div><div class="line"><a name="l00586"></a><span class="lineno"> 586</span> <span class="comment"> * font vtable entry</span></div><div class="line"><a name="l00587"></a><span class="lineno"> 587</span> <span class="comment"> * Transposes characters in a font.</span></div><div class="line"><a name="l00588"></a><span class="lineno"> 588</span> <span class="comment"> */</span></div><div class="line"><a name="l00589"></a><span class="lineno"> 589</span> <span class="keyword">static</span> <span class="keywordtype">int</span> agl_transpose_font(FONT *f, <span class="keywordtype">int</span> drange) {</div><div class="line"><a name="l00590"></a><span class="lineno"> 590</span>  FONT_AGL_DATA* fad = 0;</div><div class="line"><a name="l00591"></a><span class="lineno"> 591</span> </div><div class="line"><a name="l00592"></a><span class="lineno"> 592</span>  <span class="keywordflow">if</span> (!f)</div><div class="line"><a name="l00593"></a><span class="lineno"> 593</span>  <span class="keywordflow">return</span> -1;</div><div class="line"><a name="l00594"></a><span class="lineno"> 594</span> </div><div class="line"><a name="l00595"></a><span class="lineno"> 595</span>  fad = (FONT_AGL_DATA*)(f->data);</div><div class="line"><a name="l00596"></a><span class="lineno"> 596</span> </div><div class="line"><a name="l00597"></a><span class="lineno"> 597</span>  <span class="keywordflow">while</span>(fad) {</div><div class="line"><a name="l00598"></a><span class="lineno"> 598</span>  FONT_AGL_DATA* next = fad->next;</div><div class="line"><a name="l00599"></a><span class="lineno"> 599</span>  fad->start += drange;</div><div class="line"><a name="l00600"></a><span class="lineno"> 600</span>  fad->end += drange;</div><div class="line"><a name="l00601"></a><span class="lineno"> 601</span>  fad = next;</div><div class="line"><a name="l00602"></a><span class="lineno"> 602</span>  }</div><div class="line"><a name="l00603"></a><span class="lineno"> 603</span> </div><div class="line"><a name="l00604"></a><span class="lineno"> 604</span>  <span class="keywordflow">return</span> 0;</div><div class="line"><a name="l00605"></a><span class="lineno"> 605</span> }</div><div class="line"><a name="l00606"></a><span class="lineno"> 606</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00607"></a><span class="lineno"> 607</span> </div><div class="line"><a name="l00608"></a><span class="lineno"> 608</span> </div><div class="line"><a name="l00609"></a><span class="lineno"> 609</span> </div><div class="line"><a name="l00610"></a><span class="lineno"> 610</span> <span class="comment">/* allegro_gl_convert_allegro_font_ex(FONT *f, int type, float scale, GLint format) */</span></div><div class="line"><a name="l00623"></a><span class="lineno"><a class="line" href="group__Text.html#gad01388c5188ae09628284aa2425acae9"> 623</a></span> FONT *<a class="code" href="group__Text.html#gad01388c5188ae09628284aa2425acae9">allegro_gl_convert_allegro_font</a>(FONT *f, <span class="keywordtype">int</span> type, <span class="keywordtype">float</span> scale) {</div><div class="line"><a name="l00624"></a><span class="lineno"> 624</span>  GLint format = <a class="code" href="group__texture.html#ga2392fe7a8dd6db65532160821804aa68">allegro_gl_get_texture_format</a>(NULL);</div><div class="line"><a name="l00625"></a><span class="lineno"> 625</span>  <span class="keywordflow">return</span> <a class="code" href="group__Text.html#ga4986ec80f1a3362e47f7669461fef414">allegro_gl_convert_allegro_font_ex</a>(f, type, scale, format);</div><div class="line"><a name="l00626"></a><span class="lineno"> 626</span> }</div><div class="line"><a name="l00627"></a><span class="lineno"> 627</span> </div><div class="line"><a name="l00628"></a><span class="lineno"> 628</span> </div><div class="line"><a name="l00629"></a><span class="lineno"> 629</span> </div><div class="line"><a name="l00630"></a><span class="lineno"> 630</span> <span class="comment">/* allegro_gl_convert_allegro_font_ex(FONT *f, int type, float scale, GLint format) */</span></div><div class="line"><a name="l00688"></a><span class="lineno"><a class="line" href="group__Text.html#ga4986ec80f1a3362e47f7669461fef414"> 688</a></span> FONT *<a class="code" href="group__Text.html#ga4986ec80f1a3362e47f7669461fef414">allegro_gl_convert_allegro_font_ex</a>(FONT *f, <span class="keywordtype">int</span> type, <span class="keywordtype">float</span> scale,</div><div class="line"><a name="l00689"></a><span class="lineno"> 689</span>  GLint format) {</div><div class="line"><a name="l00690"></a><span class="lineno"> 690</span>  <span class="keywordtype">int</span> max = 0, height = 0;</div><div class="line"><a name="l00691"></a><span class="lineno"> 691</span>  <span class="keywordtype">int</span> i;</div><div class="line"><a name="l00692"></a><span class="lineno"> 692</span>  FONT *dest;</div><div class="line"><a name="l00693"></a><span class="lineno"> 693</span>  FONT_AGL_DATA *destdata;</div><div class="line"><a name="l00694"></a><span class="lineno"> 694</span>  <span class="keywordtype">int</span> has_alpha = 0;</div><div class="line"><a name="l00695"></a><span class="lineno"> 695</span> </div><div class="line"><a name="l00696"></a><span class="lineno"> 696</span>  <span class="keyword">union </span>{</div><div class="line"><a name="l00697"></a><span class="lineno"> 697</span>  FONT_MONO_DATA* mf;</div><div class="line"><a name="l00698"></a><span class="lineno"> 698</span>  FONT_COLOR_DATA* cf;</div><div class="line"><a name="l00699"></a><span class="lineno"> 699</span>  <span class="keywordtype">void</span> *ptr;</div><div class="line"><a name="l00700"></a><span class="lineno"> 700</span>  } dat;</div><div class="line"><a name="l00701"></a><span class="lineno"> 701</span> </div><div class="line"><a name="l00702"></a><span class="lineno"> 702</span>  <span class="keywordflow">if</span> (!__allegro_gl_valid_context) {</div><div class="line"><a name="l00703"></a><span class="lineno"> 703</span>  <span class="keywordflow">return</span> NULL;</div><div class="line"><a name="l00704"></a><span class="lineno"> 704</span>  }</div><div class="line"><a name="l00705"></a><span class="lineno"> 705</span> </div><div class="line"><a name="l00706"></a><span class="lineno"> 706</span>  <span class="keywordflow">if</span> (!f) {</div><div class="line"><a name="l00707"></a><span class="lineno"> 707</span>  TRACE(PREFIX_E <span class="stringliteral">"convert_allegro_font: Null source\n"</span>);</div><div class="line"><a name="l00708"></a><span class="lineno"> 708</span>  <span class="keywordflow">return</span> NULL;</div><div class="line"><a name="l00709"></a><span class="lineno"> 709</span>  }</div><div class="line"><a name="l00710"></a><span class="lineno"> 710</span> </div><div class="line"><a name="l00711"></a><span class="lineno"> 711</span>  <span class="comment">/* Make sure it's an Allegro font - we don't want any surprises */</span></div><div class="line"><a name="l00712"></a><span class="lineno"> 712</span> <span class="preprocessor">#if GET_ALLEGRO_VERSION() >= MAKE_VER(4, 2, 1)</span></div><div class="line"><a name="l00713"></a><span class="lineno"> 713</span>  <span class="keywordflow">if</span> (f->vtable != font_vtable_mono && f->vtable != font_vtable_color && f->vtable != font_vtable_trans) {</div><div class="line"><a name="l00714"></a><span class="lineno"> 714</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00715"></a><span class="lineno"> 715</span>  <span class="keywordflow">if</span> (f->vtable != font_vtable_mono && f->vtable != font_vtable_color) {</div><div class="line"><a name="l00716"></a><span class="lineno"> 716</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00717"></a><span class="lineno"> 717</span>  TRACE(PREFIX_I <span class="stringliteral">"convert_allegro_font: Source font is not "</span></div><div class="line"><a name="l00718"></a><span class="lineno"> 718</span>  <span class="stringliteral">"in Allegro format\n"</span>);</div><div class="line"><a name="l00719"></a><span class="lineno"> 719</span>  <span class="keywordflow">return</span> NULL;</div><div class="line"><a name="l00720"></a><span class="lineno"> 720</span>  }</div><div class="line"><a name="l00721"></a><span class="lineno"> 721</span> </div><div class="line"><a name="l00722"></a><span class="lineno"> 722</span>  <span class="comment">/* No vector fonts allowed as destination */</span></div><div class="line"><a name="l00723"></a><span class="lineno"> 723</span>  <span class="keywordflow">if</span> (type == <a class="code" href="group__Text.html#gaba7b8c941356029687ff4b4340e8b841">AGL_FONT_TYPE_OUTLINE</a>) {</div><div class="line"><a name="l00724"></a><span class="lineno"> 724</span>  <span class="comment">/* Can't convert bitmap to vector font */</span></div><div class="line"><a name="l00725"></a><span class="lineno"> 725</span>  TRACE(PREFIX_I <span class="stringliteral">"convert_allegro_font: Unable to convert a "</span></div><div class="line"><a name="l00726"></a><span class="lineno"> 726</span>  <span class="stringliteral">"pixmap font to a vector font.\n"</span>);</div><div class="line"><a name="l00727"></a><span class="lineno"> 727</span>  <span class="keywordflow">return</span> NULL;</div><div class="line"><a name="l00728"></a><span class="lineno"> 728</span>  }</div><div class="line"><a name="l00729"></a><span class="lineno"> 729</span> </div><div class="line"><a name="l00730"></a><span class="lineno"> 730</span>  <span class="comment">/* Make sure the scaling factor is appropreate */</span></div><div class="line"><a name="l00731"></a><span class="lineno"> 731</span>  <span class="keywordflow">if</span> (fabs(scale) < 0.001) {</div><div class="line"><a name="l00732"></a><span class="lineno"> 732</span>  TRACE(PREFIX_W <span class="stringliteral">"convert_allegro_font: Scaling factor might be "</span></div><div class="line"><a name="l00733"></a><span class="lineno"> 733</span>  <span class="stringliteral">"too small: %f\n"</span>, scale);</div><div class="line"><a name="l00734"></a><span class="lineno"> 734</span>  }</div><div class="line"><a name="l00735"></a><span class="lineno"> 735</span> </div><div class="line"><a name="l00736"></a><span class="lineno"> 736</span>  <span class="comment">/* Count number of ranges */</span></div><div class="line"><a name="l00737"></a><span class="lineno"> 737</span>  max = get_font_ranges(f);</div><div class="line"><a name="l00738"></a><span class="lineno"> 738</span> </div><div class="line"><a name="l00739"></a><span class="lineno"> 739</span>  <span class="comment">/* There should really be an API for this */</span></div><div class="line"><a name="l00740"></a><span class="lineno"> 740</span>  dest = (FONT*)malloc(<span class="keyword">sizeof</span>(FONT));</div><div class="line"><a name="l00741"></a><span class="lineno"> 741</span>  <span class="keywordflow">if</span> (!dest) {</div><div class="line"><a name="l00742"></a><span class="lineno"> 742</span>  TRACE(PREFIX_E <span class="stringliteral">"convert_allegro_font: Ran out of memory "</span></div><div class="line"><a name="l00743"></a><span class="lineno"> 743</span>  <span class="stringliteral">"while allocating %i bytes\n"</span>, (<span class="keywordtype">int</span>)<span class="keyword">sizeof</span>(FONT));</div><div class="line"><a name="l00744"></a><span class="lineno"> 744</span>  <span class="keywordflow">return</span> NULL;</div><div class="line"><a name="l00745"></a><span class="lineno"> 745</span>  }</div><div class="line"><a name="l00746"></a><span class="lineno"> 746</span>  destdata = (FONT_AGL_DATA*)malloc(<span class="keyword">sizeof</span>(FONT_AGL_DATA) * max);</div><div class="line"><a name="l00747"></a><span class="lineno"> 747</span>  <span class="keywordflow">if</span> (!destdata) {</div><div class="line"><a name="l00748"></a><span class="lineno"> 748</span>  TRACE(PREFIX_E <span class="stringliteral">"convert_allegro_font: Ran out of memory "</span></div><div class="line"><a name="l00749"></a><span class="lineno"> 749</span>  <span class="stringliteral">"while allocating %i bytes\n"</span>, (<span class="keywordtype">int</span>)<span class="keyword">sizeof</span>(FONT_AGL_DATA) * max);</div><div class="line"><a name="l00750"></a><span class="lineno"> 750</span>  <span class="keywordflow">return</span> NULL;</div><div class="line"><a name="l00751"></a><span class="lineno"> 751</span>  }</div><div class="line"><a name="l00752"></a><span class="lineno"> 752</span>  memset(destdata, 0, <span class="keyword">sizeof</span>(FONT_AGL_DATA) * max);</div><div class="line"><a name="l00753"></a><span class="lineno"> 753</span> </div><div class="line"><a name="l00754"></a><span class="lineno"> 754</span>  <span class="comment">/* Construct the linked list */</span></div><div class="line"><a name="l00755"></a><span class="lineno"> 755</span>  <span class="keywordflow">for</span> (i = 0; i < max - 1; i++) {</div><div class="line"><a name="l00756"></a><span class="lineno"> 756</span>  destdata[i].next = &destdata[i + 1];</div><div class="line"><a name="l00757"></a><span class="lineno"> 757</span>  }</div><div class="line"><a name="l00758"></a><span class="lineno"> 758</span>  destdata[max - 1].next = NULL;</div><div class="line"><a name="l00759"></a><span class="lineno"> 759</span> </div><div class="line"><a name="l00760"></a><span class="lineno"> 760</span>  <span class="comment">/* Set up the font */</span></div><div class="line"><a name="l00761"></a><span class="lineno"> 761</span>  dest->data = destdata;</div><div class="line"><a name="l00762"></a><span class="lineno"> 762</span>  dest->vtable = font_vtable_agl;</div><div class="line"><a name="l00763"></a><span class="lineno"> 763</span>  dest->height = 0;</div><div class="line"><a name="l00764"></a><span class="lineno"> 764</span> </div><div class="line"><a name="l00765"></a><span class="lineno"> 765</span>  destdata->type = type;</div><div class="line"><a name="l00766"></a><span class="lineno"> 766</span> </div><div class="line"><a name="l00767"></a><span class="lineno"> 767</span>  <span class="keywordflow">if</span> (type == <a class="code" href="group__Text.html#gad2ebae17d2548a5befb888f8618f2206">AGL_FONT_TYPE_DONT_CARE</a>) {</div><div class="line"><a name="l00768"></a><span class="lineno"> 768</span>  destdata->type = <a class="code" href="group__Text.html#ga92bf039bc7b06568273ee17f15cf6671">AGL_FONT_TYPE_TEXTURED</a>;</div><div class="line"><a name="l00769"></a><span class="lineno"> 769</span>  }</div><div class="line"><a name="l00770"></a><span class="lineno"> 770</span> </div><div class="line"><a name="l00771"></a><span class="lineno"> 771</span> <span class="preprocessor">#if GET_ALLEGRO_VERSION() >= MAKE_VER(4, 2, 1)</span></div><div class="line"><a name="l00772"></a><span class="lineno"> 772</span>  has_alpha = (f->vtable == font_vtable_trans);</div><div class="line"><a name="l00773"></a><span class="lineno"> 773</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00774"></a><span class="lineno"> 774</span> </div><div class="line"><a name="l00775"></a><span class="lineno"> 775</span>  <span class="comment">/* Convert each range */</span></div><div class="line"><a name="l00776"></a><span class="lineno"> 776</span>  dat.ptr = f->data;</div><div class="line"><a name="l00777"></a><span class="lineno"> 777</span> </div><div class="line"><a name="l00778"></a><span class="lineno"> 778</span>  <span class="keywordflow">while</span> (dat.ptr) {</div><div class="line"><a name="l00779"></a><span class="lineno"> 779</span> </div><div class="line"><a name="l00780"></a><span class="lineno"> 780</span>  destdata->has_alpha = has_alpha;</div><div class="line"><a name="l00781"></a><span class="lineno"> 781</span> </div><div class="line"><a name="l00782"></a><span class="lineno"> 782</span>  <span class="keywordflow">if</span> (type == <a class="code" href="group__Text.html#ga7ed8fdc1b0065d2fe584b15d69108b1a">AGL_FONT_TYPE_BITMAP</a>) {</div><div class="line"><a name="l00783"></a><span class="lineno"> 783</span>  aglf_convert_allegro_font_to_bitmap(destdata, f, dat.ptr, &height);</div><div class="line"><a name="l00784"></a><span class="lineno"> 784</span>  }</div><div class="line"><a name="l00785"></a><span class="lineno"> 785</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (type == <a class="code" href="group__Text.html#ga92bf039bc7b06568273ee17f15cf6671">AGL_FONT_TYPE_TEXTURED</a>) {</div><div class="line"><a name="l00786"></a><span class="lineno"> 786</span>  aglf_convert_allegro_font_to_texture(&destdata, f, dat.ptr, &height,</div><div class="line"><a name="l00787"></a><span class="lineno"> 787</span>  scale, format);</div><div class="line"><a name="l00788"></a><span class="lineno"> 788</span>  }</div><div class="line"><a name="l00789"></a><span class="lineno"> 789</span> </div><div class="line"><a name="l00790"></a><span class="lineno"> 790</span>  <span class="keywordflow">if</span> (height > dest->height) {</div><div class="line"><a name="l00791"></a><span class="lineno"> 791</span>  dest->height = height;</div><div class="line"><a name="l00792"></a><span class="lineno"> 792</span>  }</div><div class="line"><a name="l00793"></a><span class="lineno"> 793</span> </div><div class="line"><a name="l00794"></a><span class="lineno"> 794</span>  dat.ptr = (is_mono_font(f) ? (<span class="keywordtype">void</span>*)dat.mf->next : (<span class="keywordtype">void</span>*)dat.cf->next);</div><div class="line"><a name="l00795"></a><span class="lineno"> 795</span> </div><div class="line"><a name="l00796"></a><span class="lineno"> 796</span>  destdata = destdata->next;</div><div class="line"><a name="l00797"></a><span class="lineno"> 797</span>  }</div><div class="line"><a name="l00798"></a><span class="lineno"> 798</span> </div><div class="line"><a name="l00799"></a><span class="lineno"> 799</span>  <span class="keywordflow">return</span> dest;</div><div class="line"><a name="l00800"></a><span class="lineno"> 800</span> }</div><div class="line"><a name="l00801"></a><span class="lineno"> 801</span> </div><div class="line"><a name="l00802"></a><span class="lineno"> 802</span> </div><div class="line"><a name="l00803"></a><span class="lineno"> 803</span> </div><div class="line"><a name="l00804"></a><span class="lineno"> 804</span> <span class="comment">/* QSort helper for sorting glyphs according to width,</span></div><div class="line"><a name="l00805"></a><span class="lineno"> 805</span> <span class="comment"> * then height - largest first.</span></div><div class="line"><a name="l00806"></a><span class="lineno"> 806</span> <span class="comment"> */</span></div><div class="line"><a name="l00807"></a><span class="lineno"> 807</span> <span class="keyword">static</span> <span class="keywordtype">int</span> sort_glyphs(<span class="keyword">const</span> <span class="keywordtype">void</span> *c1, <span class="keyword">const</span> <span class="keywordtype">void</span> *c2) {</div><div class="line"><a name="l00808"></a><span class="lineno"> 808</span>  AGL_GLYPH *g1 = (AGL_GLYPH*)c1;</div><div class="line"><a name="l00809"></a><span class="lineno"> 809</span>  AGL_GLYPH *g2 = (AGL_GLYPH*)c2;</div><div class="line"><a name="l00810"></a><span class="lineno"> 810</span> </div><div class="line"><a name="l00811"></a><span class="lineno"> 811</span>  <span class="keywordflow">if</span> (g1->w < g2->w) {</div><div class="line"><a name="l00812"></a><span class="lineno"> 812</span>  <span class="keywordflow">return</span> 1;</div><div class="line"><a name="l00813"></a><span class="lineno"> 813</span>  }</div><div class="line"><a name="l00814"></a><span class="lineno"> 814</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (g1->w == g2->w) {</div><div class="line"><a name="l00815"></a><span class="lineno"> 815</span>  <span class="keywordflow">return</span> -g1->h + g2->h;</div><div class="line"><a name="l00816"></a><span class="lineno"> 816</span>  }</div><div class="line"><a name="l00817"></a><span class="lineno"> 817</span>  <span class="keywordflow">else</span> {</div><div class="line"><a name="l00818"></a><span class="lineno"> 818</span>  <span class="keywordflow">return</span> -1;</div><div class="line"><a name="l00819"></a><span class="lineno"> 819</span>  }</div><div class="line"><a name="l00820"></a><span class="lineno"> 820</span> }</div><div class="line"><a name="l00821"></a><span class="lineno"> 821</span> </div><div class="line"><a name="l00822"></a><span class="lineno"> 822</span> </div><div class="line"><a name="l00823"></a><span class="lineno"> 823</span> </div><div class="line"><a name="l00824"></a><span class="lineno"> 824</span> <span class="comment">/* QSort helper for unsorting glyphs.</span></div><div class="line"><a name="l00825"></a><span class="lineno"> 825</span> <span class="comment"> */</span></div><div class="line"><a name="l00826"></a><span class="lineno"> 826</span> <span class="keyword">static</span> <span class="keywordtype">int</span> unsort_glyphs(<span class="keyword">const</span> <span class="keywordtype">void</span> *c1, <span class="keyword">const</span> <span class="keywordtype">void</span> *c2) {</div><div class="line"><a name="l00827"></a><span class="lineno"> 827</span>  AGL_GLYPH *g1 = (AGL_GLYPH*)c1;</div><div class="line"><a name="l00828"></a><span class="lineno"> 828</span>  AGL_GLYPH *g2 = (AGL_GLYPH*)c2;</div><div class="line"><a name="l00829"></a><span class="lineno"> 829</span> </div><div class="line"><a name="l00830"></a><span class="lineno"> 830</span>  <span class="keywordflow">return</span> g1->glyph_num - g2->glyph_num;</div><div class="line"><a name="l00831"></a><span class="lineno"> 831</span> }</div><div class="line"><a name="l00832"></a><span class="lineno"> 832</span> </div><div class="line"><a name="l00833"></a><span class="lineno"> 833</span> </div><div class="line"><a name="l00834"></a><span class="lineno"> 834</span> </div><div class="line"><a name="l00835"></a><span class="lineno"> 835</span> <span class="comment">/* QSort helper for sorting textures by area.</span></div><div class="line"><a name="l00836"></a><span class="lineno"> 836</span> <span class="comment"> */</span></div><div class="line"><a name="l00837"></a><span class="lineno"> 837</span> <span class="keyword">static</span> <span class="keywordtype">int</span> sort_textures(<span class="keyword">const</span> <span class="keywordtype">void</span> *c1, <span class="keyword">const</span> <span class="keywordtype">void</span> *c2) {</div><div class="line"><a name="l00838"></a><span class="lineno"> 838</span>  texture_size *t1 = (texture_size*)c1;</div><div class="line"><a name="l00839"></a><span class="lineno"> 839</span>  texture_size *t2 = (texture_size*)c2;</div><div class="line"><a name="l00840"></a><span class="lineno"> 840</span> </div><div class="line"><a name="l00841"></a><span class="lineno"> 841</span>  <span class="keywordflow">return</span> t1->w * t1->h - t2->w * t2->h;</div><div class="line"><a name="l00842"></a><span class="lineno"> 842</span> }</div><div class="line"><a name="l00843"></a><span class="lineno"> 843</span> </div><div class="line"><a name="l00844"></a><span class="lineno"> 844</span> </div><div class="line"><a name="l00845"></a><span class="lineno"> 845</span> </div><div class="line"><a name="l00846"></a><span class="lineno"> 846</span> <span class="preprocessor">#ifdef SAVE_FONT_SCREENSHOT</span></div><div class="line"><a name="l00847"></a><span class="lineno"> 847</span> <span class="keyword">static</span> <span class="keywordtype">void</span> save_shot(BITMAP *bmp) {</div><div class="line"><a name="l00848"></a><span class="lineno"> 848</span> </div><div class="line"><a name="l00849"></a><span class="lineno"> 849</span>  <span class="keywordtype">int</span> i;</div><div class="line"><a name="l00850"></a><span class="lineno"> 850</span>  <span class="keywordtype">char</span> name[128];</div><div class="line"><a name="l00851"></a><span class="lineno"> 851</span> </div><div class="line"><a name="l00852"></a><span class="lineno"> 852</span>  <span class="keywordflow">for</span> (i = 0; i < 1000; i++) {</div><div class="line"><a name="l00853"></a><span class="lineno"> 853</span>  <span class="comment">/* TGA, in case it is a truecolor font with alpha */</span></div><div class="line"><a name="l00854"></a><span class="lineno"> 854</span>  sprintf(name, <span class="stringliteral">"fonttest_%02i.tga"</span>, i);</div><div class="line"><a name="l00855"></a><span class="lineno"> 855</span>  <span class="keywordflow">if</span> (!exists(name)) {</div><div class="line"><a name="l00856"></a><span class="lineno"> 856</span>  save_tga(name, bmp, NULL);</div><div class="line"><a name="l00857"></a><span class="lineno"> 857</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00858"></a><span class="lineno"> 858</span>  }</div><div class="line"><a name="l00859"></a><span class="lineno"> 859</span>  }</div><div class="line"><a name="l00860"></a><span class="lineno"> 860</span> }</div><div class="line"><a name="l00861"></a><span class="lineno"> 861</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00862"></a><span class="lineno"> 862</span> </div><div class="line"><a name="l00863"></a><span class="lineno"> 863</span> </div><div class="line"><a name="l00864"></a><span class="lineno"> 864</span> </div><div class="line"><a name="l00865"></a><span class="lineno"> 865</span> <span class="comment">/* Helper function. This will try to place all the glyphs in the bitmap the</span></div><div class="line"><a name="l00866"></a><span class="lineno"> 866</span> <span class="comment"> * best way it can</span></div><div class="line"><a name="l00867"></a><span class="lineno"> 867</span> <span class="comment"> */</span></div><div class="line"><a name="l00868"></a><span class="lineno"> 868</span> <span class="keyword">static</span> <span class="keywordtype">int</span> aglf_sort_out_glyphs(BITMAP *bmp, AGL_GLYPH *glyphs, <span class="keyword">const</span> <span class="keywordtype">int</span> beg,</div><div class="line"><a name="l00869"></a><span class="lineno"> 869</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> end) {</div><div class="line"><a name="l00870"></a><span class="lineno"> 870</span> </div><div class="line"><a name="l00871"></a><span class="lineno"> 871</span>  <span class="keywordtype">int</span> i, j;</div><div class="line"><a name="l00872"></a><span class="lineno"> 872</span>  <span class="keywordtype">int</span> last_line = 0;</div><div class="line"><a name="l00873"></a><span class="lineno"> 873</span>  <span class="keywordtype">int</span> last_x = 0;</div><div class="line"><a name="l00874"></a><span class="lineno"> 874</span> </div><div class="line"><a name="l00875"></a><span class="lineno"> 875</span>  <span class="comment">/* We now try to make all the glyphs fit on the bitmap */</span></div><div class="line"><a name="l00876"></a><span class="lineno"> 876</span>  <span class="keywordflow">for</span> (i = 0; i < end - beg; i++) {</div><div class="line"><a name="l00877"></a><span class="lineno"> 877</span>  <span class="keywordtype">int</span> collide = FALSE;</div><div class="line"><a name="l00878"></a><span class="lineno"> 878</span> </div><div class="line"><a name="l00879"></a><span class="lineno"> 879</span>  <span class="comment">/* Place glyphs on last_line */</span></div><div class="line"><a name="l00880"></a><span class="lineno"> 880</span>  glyphs[i].x = last_x;</div><div class="line"><a name="l00881"></a><span class="lineno"> 881</span>  glyphs[i].y = last_line;</div><div class="line"><a name="l00882"></a><span class="lineno"> 882</span> </div><div class="line"><a name="l00883"></a><span class="lineno"> 883</span>  <span class="comment">/* Check for collision */</span></div><div class="line"><a name="l00884"></a><span class="lineno"> 884</span> </div><div class="line"><a name="l00885"></a><span class="lineno"> 885</span>  <span class="keywordflow">for</span> (j = 0; j < i; j++) {</div><div class="line"><a name="l00886"></a><span class="lineno"> 886</span>  <span class="keywordflow">if</span> ((glyphs[i].x >= glyphs[j].x + glyphs[j].w)</div><div class="line"><a name="l00887"></a><span class="lineno"> 887</span>  || (glyphs[i].y >= glyphs[j].y + glyphs[j].h)</div><div class="line"><a name="l00888"></a><span class="lineno"> 888</span>  || (glyphs[j].x >= glyphs[i].x + glyphs[i].w)</div><div class="line"><a name="l00889"></a><span class="lineno"> 889</span>  || (glyphs[j].y >= glyphs[i].y + glyphs[i].h)) {</div><div class="line"><a name="l00890"></a><span class="lineno"> 890</span>  <span class="keywordflow">continue</span>;</div><div class="line"><a name="l00891"></a><span class="lineno"> 891</span>  }</div><div class="line"><a name="l00892"></a><span class="lineno"> 892</span>  last_x = glyphs[j].x + glyphs[j].w;</div><div class="line"><a name="l00893"></a><span class="lineno"> 893</span>  glyphs[i].x = last_x;</div><div class="line"><a name="l00894"></a><span class="lineno"> 894</span>  j = 0;</div><div class="line"><a name="l00895"></a><span class="lineno"> 895</span>  }</div><div class="line"><a name="l00896"></a><span class="lineno"> 896</span> </div><div class="line"><a name="l00897"></a><span class="lineno"> 897</span>  <span class="keywordflow">if</span> ((last_x + glyphs[i].w > bmp->w)</div><div class="line"><a name="l00898"></a><span class="lineno"> 898</span>  || (last_line + glyphs[i].h > bmp->h)) {</div><div class="line"><a name="l00899"></a><span class="lineno"> 899</span>  collide = TRUE;</div><div class="line"><a name="l00900"></a><span class="lineno"> 900</span>  }</div><div class="line"><a name="l00901"></a><span class="lineno"> 901</span> </div><div class="line"><a name="l00902"></a><span class="lineno"> 902</span>  <span class="keywordflow">if</span> (collide) {</div><div class="line"><a name="l00903"></a><span class="lineno"> 903</span>  <span class="comment">/* If there was a collision, we need to find the sprite with</span></div><div class="line"><a name="l00904"></a><span class="lineno"> 904</span> <span class="comment"> * the smallest height that is still grater than last_line.</span></div><div class="line"><a name="l00905"></a><span class="lineno"> 905</span> <span class="comment"> * We also need to redo this glyph.</span></div><div class="line"><a name="l00906"></a><span class="lineno"> 906</span> <span class="comment"> */</span></div><div class="line"><a name="l00907"></a><span class="lineno"> 907</span>  <span class="keywordtype">int</span> min_line = bmp->h + 1;</div><div class="line"><a name="l00908"></a><span class="lineno"> 908</span>  <span class="keywordtype">int</span> min_glyph = -1;</div><div class="line"><a name="l00909"></a><span class="lineno"> 909</span> </div><div class="line"><a name="l00910"></a><span class="lineno"> 910</span>  <span class="keywordflow">for</span> (j = 0; j < i; j++) {</div><div class="line"><a name="l00911"></a><span class="lineno"> 911</span>  <span class="keywordflow">if</span> ( glyphs[j].y + glyphs[j].h < min_line</div><div class="line"><a name="l00912"></a><span class="lineno"> 912</span>  && glyphs[j].y + glyphs[j].h</div><div class="line"><a name="l00913"></a><span class="lineno"> 913</span>  > last_line - FONT_CHARACTER_SPACING) {</div><div class="line"><a name="l00914"></a><span class="lineno"> 914</span> </div><div class="line"><a name="l00915"></a><span class="lineno"> 915</span>  min_line = glyphs[j].y + glyphs[j].h</div><div class="line"><a name="l00916"></a><span class="lineno"> 916</span>  + FONT_CHARACTER_SPACING;</div><div class="line"><a name="l00917"></a><span class="lineno"> 917</span>  min_glyph = j;</div><div class="line"><a name="l00918"></a><span class="lineno"> 918</span>  }</div><div class="line"><a name="l00919"></a><span class="lineno"> 919</span>  }</div><div class="line"><a name="l00920"></a><span class="lineno"> 920</span>  <span class="comment">/* If it can't possibly all fit, failure */</span></div><div class="line"><a name="l00921"></a><span class="lineno"> 921</span>  <span class="keywordflow">if</span> (min_glyph == -1) {</div><div class="line"><a name="l00922"></a><span class="lineno"> 922</span>  TRACE(PREFIX_I <span class="stringliteral">"sort_out_glyphs: Unable to fit all glyphs into "</span></div><div class="line"><a name="l00923"></a><span class="lineno"> 923</span>  <span class="stringliteral">"the texture.\n"</span>);</div><div class="line"><a name="l00924"></a><span class="lineno"> 924</span>  <span class="keywordflow">return</span> FALSE;</div><div class="line"><a name="l00925"></a><span class="lineno"> 925</span>  }</div><div class="line"><a name="l00926"></a><span class="lineno"> 926</span>  <span class="comment">/* Otherwise, start over at the top of that glyph */</span></div><div class="line"><a name="l00927"></a><span class="lineno"> 927</span>  last_x = glyphs[min_glyph].x;</div><div class="line"><a name="l00928"></a><span class="lineno"> 928</span>  last_line = min_line;</div><div class="line"><a name="l00929"></a><span class="lineno"> 929</span> </div><div class="line"><a name="l00930"></a><span class="lineno"> 930</span>  <span class="comment">/* Redo this glyph */</span></div><div class="line"><a name="l00931"></a><span class="lineno"> 931</span>  i--;</div><div class="line"><a name="l00932"></a><span class="lineno"> 932</span>  }</div><div class="line"><a name="l00933"></a><span class="lineno"> 933</span>  <span class="keywordflow">else</span> {</div><div class="line"><a name="l00934"></a><span class="lineno"> 934</span>  last_x += glyphs[i].w + FONT_CHARACTER_SPACING;</div><div class="line"><a name="l00935"></a><span class="lineno"> 935</span>  }</div><div class="line"><a name="l00936"></a><span class="lineno"> 936</span>  }</div><div class="line"><a name="l00937"></a><span class="lineno"> 937</span> </div><div class="line"><a name="l00938"></a><span class="lineno"> 938</span>  <span class="comment">/* All ok */</span></div><div class="line"><a name="l00939"></a><span class="lineno"> 939</span>  <span class="keywordflow">return</span> TRUE;</div><div class="line"><a name="l00940"></a><span class="lineno"> 940</span> }</div><div class="line"><a name="l00941"></a><span class="lineno"> 941</span> </div><div class="line"><a name="l00942"></a><span class="lineno"> 942</span> </div><div class="line"><a name="l00943"></a><span class="lineno"> 943</span> </div><div class="line"><a name="l00944"></a><span class="lineno"> 944</span> <span class="keyword">static</span> <span class="keywordtype">int</span> split_font(FONT *f, <span class="keywordtype">void</span> *source, <span class="keywordtype">void</span> **dest1, <span class="keywordtype">void</span> **dest2) {</div><div class="line"><a name="l00945"></a><span class="lineno"> 945</span> </div><div class="line"><a name="l00946"></a><span class="lineno"> 946</span>  <span class="keyword">union </span>mixed_ptr range1, range2, src;</div><div class="line"><a name="l00947"></a><span class="lineno"> 947</span>  <span class="keywordtype">int</span> colored;</div><div class="line"><a name="l00948"></a><span class="lineno"> 948</span>  <span class="keywordtype">int</span> i;</div><div class="line"><a name="l00949"></a><span class="lineno"> 949</span> </div><div class="line"><a name="l00950"></a><span class="lineno"> 950</span>  (*dest1) = NULL;</div><div class="line"><a name="l00951"></a><span class="lineno"> 951</span>  (*dest2) = NULL;</div><div class="line"><a name="l00952"></a><span class="lineno"> 952</span>  src.ptr = source;</div><div class="line"><a name="l00953"></a><span class="lineno"> 953</span> </div><div class="line"><a name="l00954"></a><span class="lineno"> 954</span>  colored = (is_mono_font(f) ? FALSE : TRUE);</div><div class="line"><a name="l00955"></a><span class="lineno"> 955</span> </div><div class="line"><a name="l00956"></a><span class="lineno"> 956</span>  <span class="comment">/* Allocate the ranges that we need */</span></div><div class="line"><a name="l00957"></a><span class="lineno"> 957</span>  range1.ptr = malloc(colored ? <span class="keyword">sizeof</span>(FONT_COLOR_DATA)</div><div class="line"><a name="l00958"></a><span class="lineno"> 958</span>  : <span class="keyword">sizeof</span>(FONT_MONO_DATA));</div><div class="line"><a name="l00959"></a><span class="lineno"> 959</span>  <span class="keywordflow">if</span> (!range1.ptr) {</div><div class="line"><a name="l00960"></a><span class="lineno"> 960</span>  TRACE(PREFIX_E <span class="stringliteral">"split_font() - Ran out of memory while "</span></div><div class="line"><a name="l00961"></a><span class="lineno"> 961</span>  <span class="stringliteral">"trying ot allocate %i bytes.\n"</span>,</div><div class="line"><a name="l00962"></a><span class="lineno"> 962</span>  colored ? (<span class="keywordtype">int</span>)<span class="keyword">sizeof</span>(FONT_COLOR_DATA)</div><div class="line"><a name="l00963"></a><span class="lineno"> 963</span>  : (<span class="keywordtype">int</span>)<span class="keyword">sizeof</span>(FONT_MONO_DATA));</div><div class="line"><a name="l00964"></a><span class="lineno"> 964</span>  <span class="keywordflow">return</span> FALSE;</div><div class="line"><a name="l00965"></a><span class="lineno"> 965</span>  }</div><div class="line"><a name="l00966"></a><span class="lineno"> 966</span> </div><div class="line"><a name="l00967"></a><span class="lineno"> 967</span>  range2.ptr = malloc(colored ? <span class="keyword">sizeof</span>(FONT_COLOR_DATA)</div><div class="line"><a name="l00968"></a><span class="lineno"> 968</span>  : <span class="keyword">sizeof</span>(FONT_MONO_DATA));</div><div class="line"><a name="l00969"></a><span class="lineno"> 969</span>  <span class="keywordflow">if</span> (!range2.ptr) {</div><div class="line"><a name="l00970"></a><span class="lineno"> 970</span>  TRACE(PREFIX_E <span class="stringliteral">"split_font() - Ran out of memory while "</span></div><div class="line"><a name="l00971"></a><span class="lineno"> 971</span>  <span class="stringliteral">"trying to allocate %i bytes.\n"</span>,</div><div class="line"><a name="l00972"></a><span class="lineno"> 972</span>  colored ? (<span class="keywordtype">int</span>)<span class="keyword">sizeof</span>(FONT_COLOR_DATA)</div><div class="line"><a name="l00973"></a><span class="lineno"> 973</span>  : (<span class="keywordtype">int</span>)<span class="keyword">sizeof</span>(FONT_MONO_DATA));</div><div class="line"><a name="l00974"></a><span class="lineno"> 974</span>  free(range1.ptr);</div><div class="line"><a name="l00975"></a><span class="lineno"> 975</span>  <span class="keywordflow">return</span> FALSE;</div><div class="line"><a name="l00976"></a><span class="lineno"> 976</span>  }</div><div class="line"><a name="l00977"></a><span class="lineno"> 977</span> </div><div class="line"><a name="l00978"></a><span class="lineno"> 978</span>  (*dest1) = range1.ptr;</div><div class="line"><a name="l00979"></a><span class="lineno"> 979</span>  (*dest2) = range2.ptr;</div><div class="line"><a name="l00980"></a><span class="lineno"> 980</span> </div><div class="line"><a name="l00981"></a><span class="lineno"> 981</span>  <span class="comment">/* Now we split up the range */</span></div><div class="line"><a name="l00982"></a><span class="lineno"> 982</span>  <span class="keywordflow">if</span> (colored) {</div><div class="line"><a name="l00983"></a><span class="lineno"> 983</span>  <span class="comment">/* Half the range */</span></div><div class="line"><a name="l00984"></a><span class="lineno"> 984</span>  <span class="keywordtype">int</span> mid = src.cf->begin + (src.cf->end - src.cf->begin) / 2;</div><div class="line"><a name="l00985"></a><span class="lineno"> 985</span> </div><div class="line"><a name="l00986"></a><span class="lineno"> 986</span>  range1.cf->begin = src.cf->begin;</div><div class="line"><a name="l00987"></a><span class="lineno"> 987</span>  range1.cf->end = mid;</div><div class="line"><a name="l00988"></a><span class="lineno"> 988</span>  range2.cf->begin = mid;</div><div class="line"><a name="l00989"></a><span class="lineno"> 989</span>  range2.cf->end = src.cf->end;</div><div class="line"><a name="l00990"></a><span class="lineno"> 990</span> </div><div class="line"><a name="l00991"></a><span class="lineno"> 991</span>  range1.cf->next = NULL;</div><div class="line"><a name="l00992"></a><span class="lineno"> 992</span>  range2.cf->next = NULL;</div><div class="line"><a name="l00993"></a><span class="lineno"> 993</span> </div><div class="line"><a name="l00994"></a><span class="lineno"> 994</span>  <span class="comment">/* Split up the bitmaps */</span></div><div class="line"><a name="l00995"></a><span class="lineno"> 995</span>  range1.cf->bitmaps = malloc(<span class="keyword">sizeof</span>(BITMAP*)</div><div class="line"><a name="l00996"></a><span class="lineno"> 996</span>  * (range1.cf->end - range1.cf->begin));</div><div class="line"><a name="l00997"></a><span class="lineno"> 997</span>  <span class="keywordflow">if</span> (!range1.cf->bitmaps) {</div><div class="line"><a name="l00998"></a><span class="lineno"> 998</span>  TRACE(PREFIX_E <span class="stringliteral">"split_font() - Ran out of memory "</span></div><div class="line"><a name="l00999"></a><span class="lineno"> 999</span>  <span class="stringliteral">"while trying to allocate %i bytes.\n"</span>,</div><div class="line"><a name="l01000"></a><span class="lineno"> 1000</span>  (<span class="keywordtype">int</span>)<span class="keyword">sizeof</span>(BITMAP*) * (range1.cf->end - range1.cf->begin));</div><div class="line"><a name="l01001"></a><span class="lineno"> 1001</span>  free(range1.ptr);</div><div class="line"><a name="l01002"></a><span class="lineno"> 1002</span>  free(range2.ptr);</div><div class="line"><a name="l01003"></a><span class="lineno"> 1003</span>  <span class="keywordflow">return</span> FALSE;</div><div class="line"><a name="l01004"></a><span class="lineno"> 1004</span>  }</div><div class="line"><a name="l01005"></a><span class="lineno"> 1005</span> </div><div class="line"><a name="l01006"></a><span class="lineno"> 1006</span>  range2.cf->bitmaps = malloc(<span class="keyword">sizeof</span>(BITMAP*)</div><div class="line"><a name="l01007"></a><span class="lineno"> 1007</span>  * (range2.cf->end - range2.cf->begin));</div><div class="line"><a name="l01008"></a><span class="lineno"> 1008</span>  <span class="keywordflow">if</span> (!range2.cf->bitmaps) {</div><div class="line"><a name="l01009"></a><span class="lineno"> 1009</span>  TRACE(PREFIX_E <span class="stringliteral">"split_font() - Ran out of memory "</span></div><div class="line"><a name="l01010"></a><span class="lineno"> 1010</span>  <span class="stringliteral">"while trying to allocate %i bytes.\n"</span>,</div><div class="line"><a name="l01011"></a><span class="lineno"> 1011</span>  (<span class="keywordtype">int</span>)<span class="keyword">sizeof</span>(BITMAP*) * (range2.cf->end - range2.cf->begin));</div><div class="line"><a name="l01012"></a><span class="lineno"> 1012</span>  free(range1.cf->bitmaps);</div><div class="line"><a name="l01013"></a><span class="lineno"> 1013</span>  free(range1.ptr);</div><div class="line"><a name="l01014"></a><span class="lineno"> 1014</span>  free(range2.ptr);</div><div class="line"><a name="l01015"></a><span class="lineno"> 1015</span>  <span class="keywordflow">return</span> FALSE;</div><div class="line"><a name="l01016"></a><span class="lineno"> 1016</span>  }</div><div class="line"><a name="l01017"></a><span class="lineno"> 1017</span> </div><div class="line"><a name="l01018"></a><span class="lineno"> 1018</span> </div><div class="line"><a name="l01019"></a><span class="lineno"> 1019</span>  <span class="keywordflow">for</span> (i = 0; i < (range1.cf->end - range1.cf->begin); i++) {</div><div class="line"><a name="l01020"></a><span class="lineno"> 1020</span>  range1.cf->bitmaps[i] = src.cf->bitmaps[i];</div><div class="line"><a name="l01021"></a><span class="lineno"> 1021</span>  }</div><div class="line"><a name="l01022"></a><span class="lineno"> 1022</span>  <span class="keywordflow">for</span> (i = 0; i < (range2.cf->end - range2.cf->begin); i++) {</div><div class="line"><a name="l01023"></a><span class="lineno"> 1023</span>  range2.cf->bitmaps[i] =</div><div class="line"><a name="l01024"></a><span class="lineno"> 1024</span>  src.cf->bitmaps[i + range2.cf->begin - range1.cf->begin];</div><div class="line"><a name="l01025"></a><span class="lineno"> 1025</span>  }</div><div class="line"><a name="l01026"></a><span class="lineno"> 1026</span>  }</div><div class="line"><a name="l01027"></a><span class="lineno"> 1027</span>  <span class="keywordflow">else</span> {</div><div class="line"><a name="l01028"></a><span class="lineno"> 1028</span>  <span class="comment">/* Half the range */</span></div><div class="line"><a name="l01029"></a><span class="lineno"> 1029</span>  <span class="keywordtype">int</span> mid = src.mf->begin + (src.mf->end - src.mf->begin) / 2;</div><div class="line"><a name="l01030"></a><span class="lineno"> 1030</span> </div><div class="line"><a name="l01031"></a><span class="lineno"> 1031</span>  range1.mf->begin = src.mf->begin;</div><div class="line"><a name="l01032"></a><span class="lineno"> 1032</span>  range1.mf->end = mid;</div><div class="line"><a name="l01033"></a><span class="lineno"> 1033</span>  range2.mf->begin = mid;</div><div class="line"><a name="l01034"></a><span class="lineno"> 1034</span>  range2.mf->end = src.mf->end;</div><div class="line"><a name="l01035"></a><span class="lineno"> 1035</span> </div><div class="line"><a name="l01036"></a><span class="lineno"> 1036</span>  range1.mf->next = NULL;</div><div class="line"><a name="l01037"></a><span class="lineno"> 1037</span>  range2.mf->next = NULL;</div><div class="line"><a name="l01038"></a><span class="lineno"> 1038</span> </div><div class="line"><a name="l01039"></a><span class="lineno"> 1039</span>  <span class="comment">/* Split up the bitmaps */</span></div><div class="line"><a name="l01040"></a><span class="lineno"> 1040</span>  range1.mf->glyphs = malloc(<span class="keyword">sizeof</span>(FONT_GLYPH*)</div><div class="line"><a name="l01041"></a><span class="lineno"> 1041</span>  * (range1.mf->end - range1.mf->begin));</div><div class="line"><a name="l01042"></a><span class="lineno"> 1042</span>  <span class="keywordflow">if</span> (!range1.mf->glyphs) {</div><div class="line"><a name="l01043"></a><span class="lineno"> 1043</span>  TRACE(PREFIX_E <span class="stringliteral">"split_font() - Ran out of memory "</span></div><div class="line"><a name="l01044"></a><span class="lineno"> 1044</span>  <span class="stringliteral">"while trying to allocate %i bytes.\n"</span>,</div><div class="line"><a name="l01045"></a><span class="lineno"> 1045</span>  (<span class="keywordtype">int</span>)<span class="keyword">sizeof</span>(FONT_GLYPH*) * (range1.mf->end - range1.mf->begin));</div><div class="line"><a name="l01046"></a><span class="lineno"> 1046</span>  free(range1.ptr);</div><div class="line"><a name="l01047"></a><span class="lineno"> 1047</span>  free(range2.ptr);</div><div class="line"><a name="l01048"></a><span class="lineno"> 1048</span>  <span class="keywordflow">return</span> FALSE;</div><div class="line"><a name="l01049"></a><span class="lineno"> 1049</span>  }</div><div class="line"><a name="l01050"></a><span class="lineno"> 1050</span> </div><div class="line"><a name="l01051"></a><span class="lineno"> 1051</span>  range2.mf->glyphs = malloc(<span class="keyword">sizeof</span>(FONT_GLYPH*)</div><div class="line"><a name="l01052"></a><span class="lineno"> 1052</span>  * (range2.mf->end - range2.mf->begin));</div><div class="line"><a name="l01053"></a><span class="lineno"> 1053</span>  <span class="keywordflow">if</span> (!range2.mf->glyphs) {</div><div class="line"><a name="l01054"></a><span class="lineno"> 1054</span>  TRACE(PREFIX_E <span class="stringliteral">"split_font() - Ran out of memory "</span></div><div class="line"><a name="l01055"></a><span class="lineno"> 1055</span>  <span class="stringliteral">"while trying to allocate %i bytes.\n"</span>,</div><div class="line"><a name="l01056"></a><span class="lineno"> 1056</span>  (<span class="keywordtype">int</span>)<span class="keyword">sizeof</span>(FONT_GLYPH*) * (range2.mf->end - range2.mf->begin));</div><div class="line"><a name="l01057"></a><span class="lineno"> 1057</span>  free(range1.mf->glyphs);</div><div class="line"><a name="l01058"></a><span class="lineno"> 1058</span>  free(range1.ptr);</div><div class="line"><a name="l01059"></a><span class="lineno"> 1059</span>  free(range2.ptr);</div><div class="line"><a name="l01060"></a><span class="lineno"> 1060</span>  <span class="keywordflow">return</span> FALSE;</div><div class="line"><a name="l01061"></a><span class="lineno"> 1061</span>  }</div><div class="line"><a name="l01062"></a><span class="lineno"> 1062</span> </div><div class="line"><a name="l01063"></a><span class="lineno"> 1063</span>  <span class="keywordflow">for</span> (i = 0; i < (range1.mf->end - range1.mf->begin); i++) {</div><div class="line"><a name="l01064"></a><span class="lineno"> 1064</span>  range1.mf->glyphs[i] = src.mf->glyphs[i];</div><div class="line"><a name="l01065"></a><span class="lineno"> 1065</span>  }</div><div class="line"><a name="l01066"></a><span class="lineno"> 1066</span>  <span class="keywordflow">for</span> (i = 0; i < (range2.mf->end - range2.mf->begin); i++) {</div><div class="line"><a name="l01067"></a><span class="lineno"> 1067</span>  range2.mf->glyphs[i] =</div><div class="line"><a name="l01068"></a><span class="lineno"> 1068</span>  src.mf->glyphs[i + range2.mf->begin - range1.mf->begin];</div><div class="line"><a name="l01069"></a><span class="lineno"> 1069</span>  }</div><div class="line"><a name="l01070"></a><span class="lineno"> 1070</span>  }</div><div class="line"><a name="l01071"></a><span class="lineno"> 1071</span> </div><div class="line"><a name="l01072"></a><span class="lineno"> 1072</span>  <span class="keywordflow">return</span> TRUE;</div><div class="line"><a name="l01073"></a><span class="lineno"> 1073</span> }</div><div class="line"><a name="l01074"></a><span class="lineno"> 1074</span> </div><div class="line"><a name="l01075"></a><span class="lineno"> 1075</span> </div><div class="line"><a name="l01076"></a><span class="lineno"> 1076</span> </div><div class="line"><a name="l01077"></a><span class="lineno"> 1077</span> <span class="comment">/* Destroys a split font */</span></div><div class="line"><a name="l01078"></a><span class="lineno"> 1078</span> <span class="keyword">static</span> <span class="keywordtype">void</span> destroy_split_font(FONT *f, <span class="keyword">union</span> mixed_ptr range1,</div><div class="line"><a name="l01079"></a><span class="lineno"> 1079</span>  <span class="keyword">union</span> mixed_ptr range2) {</div><div class="line"><a name="l01080"></a><span class="lineno"> 1080</span> </div><div class="line"><a name="l01081"></a><span class="lineno"> 1081</span>  <span class="keywordflow">if</span> (!is_mono_font(f)) {</div><div class="line"><a name="l01082"></a><span class="lineno"> 1082</span>  free(range1.cf->bitmaps);</div><div class="line"><a name="l01083"></a><span class="lineno"> 1083</span>  free(range2.cf->bitmaps);</div><div class="line"><a name="l01084"></a><span class="lineno"> 1084</span>  }</div><div class="line"><a name="l01085"></a><span class="lineno"> 1085</span>  <span class="keywordflow">else</span> {</div><div class="line"><a name="l01086"></a><span class="lineno"> 1086</span>  free(range1.mf->glyphs);</div><div class="line"><a name="l01087"></a><span class="lineno"> 1087</span>  free(range2.mf->glyphs);</div><div class="line"><a name="l01088"></a><span class="lineno"> 1088</span>  }</div><div class="line"><a name="l01089"></a><span class="lineno"> 1089</span> </div><div class="line"><a name="l01090"></a><span class="lineno"> 1090</span>  free(range1.ptr);</div><div class="line"><a name="l01091"></a><span class="lineno"> 1091</span>  free(range2.ptr);</div><div class="line"><a name="l01092"></a><span class="lineno"> 1092</span> </div><div class="line"><a name="l01093"></a><span class="lineno"> 1093</span>  <span class="keywordflow">return</span>;</div><div class="line"><a name="l01094"></a><span class="lineno"> 1094</span> }</div><div class="line"><a name="l01095"></a><span class="lineno"> 1095</span> </div><div class="line"><a name="l01096"></a><span class="lineno"> 1096</span> </div><div class="line"><a name="l01097"></a><span class="lineno"> 1097</span> </div><div class="line"><a name="l01098"></a><span class="lineno"> 1098</span> <span class="keyword">static</span> <span class="keywordtype">int</span> do_crop_font_range(FONT *f, AGL_GLYPH *glyphs, <span class="keywordtype">int</span> beg, <span class="keywordtype">int</span> end) {</div><div class="line"><a name="l01099"></a><span class="lineno"> 1099</span> </div><div class="line"><a name="l01100"></a><span class="lineno"> 1100</span>  <span class="keywordtype">int</span> i, j, k;</div><div class="line"><a name="l01101"></a><span class="lineno"> 1101</span>  <span class="keywordtype">int</span> max = end - beg;</div><div class="line"><a name="l01102"></a><span class="lineno"> 1102</span>  <span class="keywordtype">char</span> buf[32];</div><div class="line"><a name="l01103"></a><span class="lineno"> 1103</span> </div><div class="line"><a name="l01104"></a><span class="lineno"> 1104</span>  <span class="comment">/* Allocate a temp bitmap to work with */</span></div><div class="line"><a name="l01105"></a><span class="lineno"> 1105</span>  BITMAP *temp = create_bitmap(32, 32);</div><div class="line"><a name="l01106"></a><span class="lineno"> 1106</span> </div><div class="line"><a name="l01107"></a><span class="lineno"> 1107</span>  <span class="keywordflow">if</span> (!temp) {</div><div class="line"><a name="l01108"></a><span class="lineno"> 1108</span>  TRACE(PREFIX_E <span class="stringliteral">"crop_font_range - Unable to create "</span></div><div class="line"><a name="l01109"></a><span class="lineno"> 1109</span>  <span class="stringliteral">"bitmap of size: %ix%i!\n"</span>, 32, 32);</div><div class="line"><a name="l01110"></a><span class="lineno"> 1110</span>  <span class="keywordflow">goto</span> error;</div><div class="line"><a name="l01111"></a><span class="lineno"> 1111</span>  }</div><div class="line"><a name="l01112"></a><span class="lineno"> 1112</span> </div><div class="line"><a name="l01113"></a><span class="lineno"> 1113</span>  <span class="comment">/* Crop glyphs */</span></div><div class="line"><a name="l01114"></a><span class="lineno"> 1114</span>  <span class="keywordflow">for</span> (i = 0; i < max; i++) {</div><div class="line"><a name="l01115"></a><span class="lineno"> 1115</span>  <span class="keywordtype">int</span> used = 0;</div><div class="line"><a name="l01116"></a><span class="lineno"> 1116</span> </div><div class="line"><a name="l01117"></a><span class="lineno"> 1117</span>  <span class="keywordflow">if</span> (glyphs[i].w > temp->w || glyphs[i].h > temp->h) {</div><div class="line"><a name="l01118"></a><span class="lineno"> 1118</span>  <span class="keywordtype">int</span> old_w = temp->w, old_h = temp->h;</div><div class="line"><a name="l01119"></a><span class="lineno"> 1119</span>  destroy_bitmap(temp);</div><div class="line"><a name="l01120"></a><span class="lineno"> 1120</span>  temp = create_bitmap(old_w * 2, old_h * 2);</div><div class="line"><a name="l01121"></a><span class="lineno"> 1121</span>  <span class="keywordflow">if</span> (!temp) {</div><div class="line"><a name="l01122"></a><span class="lineno"> 1122</span>  TRACE(PREFIX_E <span class="stringliteral">"crop_font_range - Unable to "</span></div><div class="line"><a name="l01123"></a><span class="lineno"> 1123</span>  <span class="stringliteral">"create bitmap of size: %ix%i!\n"</span>, old_w * 2, old_h * 2);</div><div class="line"><a name="l01124"></a><span class="lineno"> 1124</span>  <span class="keywordflow">goto</span> error;</div><div class="line"><a name="l01125"></a><span class="lineno"> 1125</span>  }</div><div class="line"><a name="l01126"></a><span class="lineno"> 1126</span>  }</div><div class="line"><a name="l01127"></a><span class="lineno"> 1127</span>  clear_bitmap(temp);</div><div class="line"><a name="l01128"></a><span class="lineno"> 1128</span> </div><div class="line"><a name="l01129"></a><span class="lineno"> 1129</span>  usetc(buf + usetc(buf, glyphs[i].glyph_num + beg), 0);</div><div class="line"><a name="l01130"></a><span class="lineno"> 1130</span> </div><div class="line"><a name="l01131"></a><span class="lineno"> 1131</span>  textout_ex(temp, f, buf, 0, 0,</div><div class="line"><a name="l01132"></a><span class="lineno"> 1132</span>  makecol_depth(bitmap_color_depth(temp), 255, 255, 255), 0);</div><div class="line"><a name="l01133"></a><span class="lineno"> 1133</span> </div><div class="line"><a name="l01134"></a><span class="lineno"> 1134</span>  <span class="comment">/* Crop top */</span></div><div class="line"><a name="l01135"></a><span class="lineno"> 1135</span>  <span class="keywordflow">for</span> (j = 0; j < glyphs[i].h; j++) {</div><div class="line"><a name="l01136"></a><span class="lineno"> 1136</span>  used = 0;</div><div class="line"><a name="l01137"></a><span class="lineno"> 1137</span> </div><div class="line"><a name="l01138"></a><span class="lineno"> 1138</span>  <span class="keywordflow">for</span> (k = 0; k < glyphs[i].w; k++) {</div><div class="line"><a name="l01139"></a><span class="lineno"> 1139</span>  <span class="keywordflow">if</span> (getpixel(temp, k, j)) {</div><div class="line"><a name="l01140"></a><span class="lineno"> 1140</span>  used = 1;</div><div class="line"><a name="l01141"></a><span class="lineno"> 1141</span>  glyphs[i].offset_y += j;</div><div class="line"><a name="l01142"></a><span class="lineno"> 1142</span>  glyphs[i].h -= j;</div><div class="line"><a name="l01143"></a><span class="lineno"> 1143</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l01144"></a><span class="lineno"> 1144</span>  }</div><div class="line"><a name="l01145"></a><span class="lineno"> 1145</span>  }</div><div class="line"><a name="l01146"></a><span class="lineno"> 1146</span>  <span class="keywordflow">if</span> (used)</div><div class="line"><a name="l01147"></a><span class="lineno"> 1147</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l01148"></a><span class="lineno"> 1148</span>  }</div><div class="line"><a name="l01149"></a><span class="lineno"> 1149</span> </div><div class="line"><a name="l01150"></a><span class="lineno"> 1150</span>  <span class="comment">/* If just the top crop killed our glyph, then skip it entirely */</span></div><div class="line"><a name="l01151"></a><span class="lineno"> 1151</span>  <span class="keywordflow">if</span> (!used) {</div><div class="line"><a name="l01152"></a><span class="lineno"> 1152</span>  TRACE(PREFIX_I <span class="stringliteral">"crop_font_range: skipping glyph %i\n"</span>, i);</div><div class="line"><a name="l01153"></a><span class="lineno"> 1153</span>  glyphs[i].offset_y = 0;</div><div class="line"><a name="l01154"></a><span class="lineno"> 1154</span>  glyphs[i].offset_h = glyphs[i].h - 1;</div><div class="line"><a name="l01155"></a><span class="lineno"> 1155</span>  glyphs[i].offset_w = glyphs[i].w - 2;</div><div class="line"><a name="l01156"></a><span class="lineno"> 1156</span>  glyphs[i].h = 1;</div><div class="line"><a name="l01157"></a><span class="lineno"> 1157</span>  glyphs[i].w = 1;</div><div class="line"><a name="l01158"></a><span class="lineno"> 1158</span>  <span class="keywordflow">continue</span>;</div><div class="line"><a name="l01159"></a><span class="lineno"> 1159</span>  }</div><div class="line"><a name="l01160"></a><span class="lineno"> 1160</span> </div><div class="line"><a name="l01161"></a><span class="lineno"> 1161</span>  <span class="comment">/* Crop bottom */</span></div><div class="line"><a name="l01162"></a><span class="lineno"> 1162</span>  j = glyphs[i].h + glyphs[i].offset_y - 1;</div><div class="line"><a name="l01163"></a><span class="lineno"> 1163</span>  <span class="keywordflow">for</span> ( <span class="comment">/* above */</span>; j >= glyphs[i].offset_y; j--) {</div><div class="line"><a name="l01164"></a><span class="lineno"> 1164</span>  used = 0;</div><div class="line"><a name="l01165"></a><span class="lineno"> 1165</span> </div><div class="line"><a name="l01166"></a><span class="lineno"> 1166</span>  <span class="keywordflow">for</span> (k = 0; k < glyphs[i].w; k++) {</div><div class="line"><a name="l01167"></a><span class="lineno"> 1167</span>  <span class="keywordflow">if</span> (getpixel(temp, k, j)) {</div><div class="line"><a name="l01168"></a><span class="lineno"> 1168</span>  used = 1;</div><div class="line"><a name="l01169"></a><span class="lineno"> 1169</span>  glyphs[i].offset_h +=</div><div class="line"><a name="l01170"></a><span class="lineno"> 1170</span>  glyphs[i].h + glyphs[i].offset_y - j - 2;</div><div class="line"><a name="l01171"></a><span class="lineno"> 1171</span>  glyphs[i].h -= glyphs[i].h + glyphs[i].offset_y - j - 1;</div><div class="line"><a name="l01172"></a><span class="lineno"> 1172</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l01173"></a><span class="lineno"> 1173</span>  }</div><div class="line"><a name="l01174"></a><span class="lineno"> 1174</span>  }</div><div class="line"><a name="l01175"></a><span class="lineno"> 1175</span>  <span class="keywordflow">if</span> (used)</div><div class="line"><a name="l01176"></a><span class="lineno"> 1176</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l01177"></a><span class="lineno"> 1177</span>  }</div><div class="line"><a name="l01178"></a><span class="lineno"> 1178</span> </div><div class="line"><a name="l01179"></a><span class="lineno"> 1179</span>  <span class="comment">/* Crop Left */</span></div><div class="line"><a name="l01180"></a><span class="lineno"> 1180</span>  <span class="keywordflow">for</span> (j = 0; j < glyphs[i].w; j++) {</div><div class="line"><a name="l01181"></a><span class="lineno"> 1181</span>  used = 0;</div><div class="line"><a name="l01182"></a><span class="lineno"> 1182</span> </div><div class="line"><a name="l01183"></a><span class="lineno"> 1183</span>  k = MAX(glyphs[i].offset_y - 1, 0);</div><div class="line"><a name="l01184"></a><span class="lineno"> 1184</span>  <span class="keywordflow">for</span> (<span class="comment">/* above */</span>; k < glyphs[i].offset_y + glyphs[i].h + 1; k++) {</div><div class="line"><a name="l01185"></a><span class="lineno"> 1185</span>  <span class="keywordflow">if</span> (getpixel(temp, j, k)) {</div><div class="line"><a name="l01186"></a><span class="lineno"> 1186</span>  used = 1;</div><div class="line"><a name="l01187"></a><span class="lineno"> 1187</span>  glyphs[i].offset_x += j;</div><div class="line"><a name="l01188"></a><span class="lineno"> 1188</span>  glyphs[i].w -= j;</div><div class="line"><a name="l01189"></a><span class="lineno"> 1189</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l01190"></a><span class="lineno"> 1190</span>  }</div><div class="line"><a name="l01191"></a><span class="lineno"> 1191</span>  }</div><div class="line"><a name="l01192"></a><span class="lineno"> 1192</span>  <span class="keywordflow">if</span> (used)</div><div class="line"><a name="l01193"></a><span class="lineno"> 1193</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l01194"></a><span class="lineno"> 1194</span>  }</div><div class="line"><a name="l01195"></a><span class="lineno"> 1195</span> </div><div class="line"><a name="l01196"></a><span class="lineno"> 1196</span>  <span class="comment">/* Crop Right */</span></div><div class="line"><a name="l01197"></a><span class="lineno"> 1197</span>  j = glyphs[i].w + glyphs[i].offset_x - 1;</div><div class="line"><a name="l01198"></a><span class="lineno"> 1198</span>  <span class="keywordflow">for</span> (<span class="comment">/* above */</span>; j >= glyphs[i].offset_x; j--) {</div><div class="line"><a name="l01199"></a><span class="lineno"> 1199</span>  used = 0;</div><div class="line"><a name="l01200"></a><span class="lineno"> 1200</span> </div><div class="line"><a name="l01201"></a><span class="lineno"> 1201</span>  k = MAX(glyphs[i].offset_y - 1, 0);</div><div class="line"><a name="l01202"></a><span class="lineno"> 1202</span>  <span class="keywordflow">for</span> (<span class="comment">/* above */</span>; k < glyphs[i].offset_y + glyphs[i].h + 1; k++) {</div><div class="line"><a name="l01203"></a><span class="lineno"> 1203</span>  <span class="keywordflow">if</span> (getpixel(temp, j, k)) {</div><div class="line"><a name="l01204"></a><span class="lineno"> 1204</span>  used = 1;</div><div class="line"><a name="l01205"></a><span class="lineno"> 1205</span>  glyphs[i].offset_w +=</div><div class="line"><a name="l01206"></a><span class="lineno"> 1206</span>  glyphs[i].w + glyphs[i].offset_x - 1 - j;</div><div class="line"><a name="l01207"></a><span class="lineno"> 1207</span>  glyphs[i].w -= glyphs[i].w + glyphs[i].offset_x - j - 1;</div><div class="line"><a name="l01208"></a><span class="lineno"> 1208</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l01209"></a><span class="lineno"> 1209</span>  }</div><div class="line"><a name="l01210"></a><span class="lineno"> 1210</span>  }</div><div class="line"><a name="l01211"></a><span class="lineno"> 1211</span>  <span class="keywordflow">if</span> (used)</div><div class="line"><a name="l01212"></a><span class="lineno"> 1212</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l01213"></a><span class="lineno"> 1213</span>  }</div><div class="line"><a name="l01214"></a><span class="lineno"> 1214</span> <span class="preprocessor">#ifdef LOGLEVEL</span></div><div class="line"><a name="l01215"></a><span class="lineno"> 1215</span>  TRACE(PREFIX_I <span class="stringliteral">"crop_font_range: Glyph %i (%c) offs: x: %i y: %i, "</span></div><div class="line"><a name="l01216"></a><span class="lineno"> 1216</span>  <span class="stringliteral">"w: %i h: %i, offs: w: %i h: %i\n"</span>, i, i + beg,</div><div class="line"><a name="l01217"></a><span class="lineno"> 1217</span>  glyphs[i].offset_x, glyphs[i].offset_y, glyphs[i].w, glyphs[i].h,</div><div class="line"><a name="l01218"></a><span class="lineno"> 1218</span>  glyphs[i].offset_w, glyphs[i].offset_h);</div><div class="line"><a name="l01219"></a><span class="lineno"> 1219</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l01220"></a><span class="lineno"> 1220</span>  }</div><div class="line"><a name="l01221"></a><span class="lineno"> 1221</span> </div><div class="line"><a name="l01222"></a><span class="lineno"> 1222</span>  destroy_bitmap(temp);</div><div class="line"><a name="l01223"></a><span class="lineno"> 1223</span> </div><div class="line"><a name="l01224"></a><span class="lineno"> 1224</span>  <span class="keywordflow">return</span> TRUE;</div><div class="line"><a name="l01225"></a><span class="lineno"> 1225</span> </div><div class="line"><a name="l01226"></a><span class="lineno"> 1226</span> error:</div><div class="line"><a name="l01227"></a><span class="lineno"> 1227</span>  <span class="keywordflow">if</span> (temp) {</div><div class="line"><a name="l01228"></a><span class="lineno"> 1228</span>  destroy_bitmap(temp);</div><div class="line"><a name="l01229"></a><span class="lineno"> 1229</span>  }</div><div class="line"><a name="l01230"></a><span class="lineno"> 1230</span> </div><div class="line"><a name="l01231"></a><span class="lineno"> 1231</span>  <span class="keywordflow">return</span> FALSE;</div><div class="line"><a name="l01232"></a><span class="lineno"> 1232</span> }</div><div class="line"><a name="l01233"></a><span class="lineno"> 1233</span> </div><div class="line"><a name="l01234"></a><span class="lineno"> 1234</span> </div><div class="line"><a name="l01235"></a><span class="lineno"> 1235</span> </div><div class="line"><a name="l01236"></a><span class="lineno"> 1236</span> <span class="comment">/* Crops a font over a particular range */</span></div><div class="line"><a name="l01237"></a><span class="lineno"> 1237</span> <span class="keyword">static</span> <span class="keywordtype">int</span> crop_font_range(FONT *f, <span class="keywordtype">void</span> *src, <span class="keywordtype">int</span> beg, <span class="keywordtype">int</span> end,</div><div class="line"><a name="l01238"></a><span class="lineno"> 1238</span>  AGL_GLYPH *glyphs,</div><div class="line"><a name="l01239"></a><span class="lineno"> 1239</span>  <span class="keywordtype">int</span> *net_area, <span class="keywordtype">int</span> *gross_area,</div><div class="line"><a name="l01240"></a><span class="lineno"> 1240</span>  <span class="keywordtype">int</span> *max_w, <span class="keywordtype">int</span> *max_h) {</div><div class="line"><a name="l01241"></a><span class="lineno"> 1241</span> </div><div class="line"><a name="l01242"></a><span class="lineno"> 1242</span>  <span class="keywordtype">int</span> i;</div><div class="line"><a name="l01243"></a><span class="lineno"> 1243</span>  <span class="keywordtype">int</span> crop = 1;</div><div class="line"><a name="l01244"></a><span class="lineno"> 1244</span>  <span class="keywordtype">int</span> max = end - beg;</div><div class="line"><a name="l01245"></a><span class="lineno"> 1245</span>  <span class="keywordtype">int</span> ret = TRUE;</div><div class="line"><a name="l01246"></a><span class="lineno"> 1246</span> </div><div class="line"><a name="l01247"></a><span class="lineno"> 1247</span>  <span class="keyword">union </span>mixed_ptr dat;</div><div class="line"><a name="l01248"></a><span class="lineno"> 1248</span>  dat.ptr = src;</div><div class="line"><a name="l01249"></a><span class="lineno"> 1249</span> </div><div class="line"><a name="l01250"></a><span class="lineno"> 1250</span>  <span class="comment">/* Disable cropping for trucolor fonts. */</span></div><div class="line"><a name="l01251"></a><span class="lineno"> 1251</span>  <span class="keywordflow">if</span> (is_color_font(f)) {</div><div class="line"><a name="l01252"></a><span class="lineno"> 1252</span>  FONT_COLOR_DATA *fcd = f->data;</div><div class="line"><a name="l01253"></a><span class="lineno"> 1253</span>  <span class="keywordflow">if</span> (bitmap_color_depth(fcd->bitmaps[0]) != 8) {</div><div class="line"><a name="l01254"></a><span class="lineno"> 1254</span>  crop = 0;</div><div class="line"><a name="l01255"></a><span class="lineno"> 1255</span>  }</div><div class="line"><a name="l01256"></a><span class="lineno"> 1256</span>  }</div><div class="line"><a name="l01257"></a><span class="lineno"> 1257</span> </div><div class="line"><a name="l01258"></a><span class="lineno"> 1258</span>  <span class="comment">/* Load default sizes */</span></div><div class="line"><a name="l01259"></a><span class="lineno"> 1259</span>  <span class="keywordflow">for</span> (i = 0; i < max; i++) {</div><div class="line"><a name="l01260"></a><span class="lineno"> 1260</span>  glyphs[i].glyph_num = i;</div><div class="line"><a name="l01261"></a><span class="lineno"> 1261</span> </div><div class="line"><a name="l01262"></a><span class="lineno"> 1262</span>  <span class="keywordflow">if</span> (is_mono_font(f)) {</div><div class="line"><a name="l01263"></a><span class="lineno"> 1263</span>  glyphs[i].w = dat.mf->glyphs[i]->w + 1;</div><div class="line"><a name="l01264"></a><span class="lineno"> 1264</span>  glyphs[i].h = dat.mf->glyphs[i]->h + 1;</div><div class="line"><a name="l01265"></a><span class="lineno"> 1265</span>  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l01266"></a><span class="lineno"> 1266</span>  glyphs[i].w = dat.cf->bitmaps[i]->w + 1;</div><div class="line"><a name="l01267"></a><span class="lineno"> 1267</span>  glyphs[i].h = dat.cf->bitmaps[i]->h + 1;</div><div class="line"><a name="l01268"></a><span class="lineno"> 1268</span>  }</div><div class="line"><a name="l01269"></a><span class="lineno"> 1269</span>  glyphs[i].offset_w = -1;</div><div class="line"><a name="l01270"></a><span class="lineno"> 1270</span>  glyphs[i].offset_h = -1;</div><div class="line"><a name="l01271"></a><span class="lineno"> 1271</span> </div><div class="line"><a name="l01272"></a><span class="lineno"> 1272</span>  <span class="comment">/* Not placed yet */</span></div><div class="line"><a name="l01273"></a><span class="lineno"> 1273</span>  glyphs[i].x = -1;</div><div class="line"><a name="l01274"></a><span class="lineno"> 1274</span>  }</div><div class="line"><a name="l01275"></a><span class="lineno"> 1275</span> </div><div class="line"><a name="l01276"></a><span class="lineno"> 1276</span>  <span class="keywordflow">if</span> (crop) {</div><div class="line"><a name="l01277"></a><span class="lineno"> 1277</span>  ret = do_crop_font_range(f, glyphs, beg, end);</div><div class="line"><a name="l01278"></a><span class="lineno"> 1278</span>  }</div><div class="line"><a name="l01279"></a><span class="lineno"> 1279</span> </div><div class="line"><a name="l01280"></a><span class="lineno"> 1280</span>  (*gross_area) = 0;</div><div class="line"><a name="l01281"></a><span class="lineno"> 1281</span>  (*net_area) = 0;</div><div class="line"><a name="l01282"></a><span class="lineno"> 1282</span>  (*max_w) = 0;</div><div class="line"><a name="l01283"></a><span class="lineno"> 1283</span>  (*max_h) = 0;</div><div class="line"><a name="l01284"></a><span class="lineno"> 1284</span> </div><div class="line"><a name="l01285"></a><span class="lineno"> 1285</span>  <span class="comment">/* Find max w and h, total area covered by the bitmaps, and number of</span></div><div class="line"><a name="l01286"></a><span class="lineno"> 1286</span> <span class="comment"> * glyphs</span></div><div class="line"><a name="l01287"></a><span class="lineno"> 1287</span> <span class="comment"> */</span></div><div class="line"><a name="l01288"></a><span class="lineno"> 1288</span>  <span class="keywordflow">for</span> (i = 0; i < max; i++) {</div><div class="line"><a name="l01289"></a><span class="lineno"> 1289</span>  <span class="keywordflow">if</span> (glyphs[i].w > *max_w) (*max_w) = glyphs[i].w;</div><div class="line"><a name="l01290"></a><span class="lineno"> 1290</span>  <span class="keywordflow">if</span> (glyphs[i].h > *max_h) (*max_h) = glyphs[i].h;</div><div class="line"><a name="l01291"></a><span class="lineno"> 1291</span>  (*net_area) += glyphs[i].w * glyphs[i].h;</div><div class="line"><a name="l01292"></a><span class="lineno"> 1292</span>  (*gross_area) += (glyphs[i].w + FONT_CHARACTER_SPACING)</div><div class="line"><a name="l01293"></a><span class="lineno"> 1293</span>  * (glyphs[i].h + FONT_CHARACTER_SPACING);</div><div class="line"><a name="l01294"></a><span class="lineno"> 1294</span>  }</div><div class="line"><a name="l01295"></a><span class="lineno"> 1295</span>  <span class="keywordflow">return</span> ret;</div><div class="line"><a name="l01296"></a><span class="lineno"> 1296</span> </div><div class="line"><a name="l01297"></a><span class="lineno"> 1297</span> }</div><div class="line"><a name="l01298"></a><span class="lineno"> 1298</span> </div><div class="line"><a name="l01299"></a><span class="lineno"> 1299</span> </div><div class="line"><a name="l01300"></a><span class="lineno"> 1300</span> </div><div class="line"><a name="l01301"></a><span class="lineno"> 1301</span> <span class="comment">/* Tries to find a texture that will fit the font</span></div><div class="line"><a name="l01302"></a><span class="lineno"> 1302</span> <span class="comment"> */</span></div><div class="line"><a name="l01303"></a><span class="lineno"> 1303</span> <span class="keyword">static</span> BITMAP* look_for_texture(<span class="keywordtype">int</span> beg, <span class="keywordtype">int</span> end, AGL_GLYPH *glyphs,</div><div class="line"><a name="l01304"></a><span class="lineno"> 1304</span>  <span class="keywordtype">int</span> max_w, <span class="keywordtype">int</span> max_h, <span class="keywordtype">int</span> total_area, GLint format, <span class="keywordtype">int</span> has_alpha) {</div><div class="line"><a name="l01305"></a><span class="lineno"> 1305</span> </div><div class="line"><a name="l01306"></a><span class="lineno"> 1306</span>  BITMAP *bmp = NULL;</div><div class="line"><a name="l01307"></a><span class="lineno"> 1307</span>  <span class="keywordtype">int</span> i, j;</div><div class="line"><a name="l01308"></a><span class="lineno"> 1308</span> </div><div class="line"><a name="l01309"></a><span class="lineno"> 1309</span>  <span class="comment">/* Max texture size (1 << n) */</span></div><div class="line"><a name="l01310"></a><span class="lineno"> 1310</span>  <span class="comment">/* XXX <rohannessian> We should use ARB_np2 if we can</span></div><div class="line"><a name="l01311"></a><span class="lineno"> 1311</span> <span class="comment"> *</span></div><div class="line"><a name="l01312"></a><span class="lineno"> 1312</span> <span class="comment"> * Other note: w*h shouldn't exceed 31 bits; otherwise, we get funny</span></div><div class="line"><a name="l01313"></a><span class="lineno"> 1313</span> <span class="comment"> * behavior on 32-bit architectures. Limit texture sizes to 32k*32k</span></div><div class="line"><a name="l01314"></a><span class="lineno"> 1314</span> <span class="comment"> * (30 bits).</span></div><div class="line"><a name="l01315"></a><span class="lineno"> 1315</span> <span class="comment"> */</span></div><div class="line"><a name="l01316"></a><span class="lineno"> 1316</span> <span class="preprocessor">#define MIN_TEXTURE_SIZE 2</span></div><div class="line"><a name="l01317"></a><span class="lineno"> 1317</span> <span class="preprocessor">#define NUM_TEXTURE_SIZE 13</span></div><div class="line"><a name="l01318"></a><span class="lineno"> 1318</span>  texture_size texture_sizes[NUM_TEXTURE_SIZE * NUM_TEXTURE_SIZE];</div><div class="line"><a name="l01319"></a><span class="lineno"> 1319</span> </div><div class="line"><a name="l01320"></a><span class="lineno"> 1320</span>  <span class="comment">/* Set up texture sizes */</span></div><div class="line"><a name="l01321"></a><span class="lineno"> 1321</span>  <span class="keywordflow">for</span> (i = 0; i < NUM_TEXTURE_SIZE; i++) {</div><div class="line"><a name="l01322"></a><span class="lineno"> 1322</span>  <span class="keywordflow">for</span> (j = 0; j < NUM_TEXTURE_SIZE; j++) {</div><div class="line"><a name="l01323"></a><span class="lineno"> 1323</span>  texture_sizes[j + i * NUM_TEXTURE_SIZE].w =</div><div class="line"><a name="l01324"></a><span class="lineno"> 1324</span>  1 << (j + MIN_TEXTURE_SIZE);</div><div class="line"><a name="l01325"></a><span class="lineno"> 1325</span>  texture_sizes[j + i * NUM_TEXTURE_SIZE].h =</div><div class="line"><a name="l01326"></a><span class="lineno"> 1326</span>  1 << (i + MIN_TEXTURE_SIZE);</div><div class="line"><a name="l01327"></a><span class="lineno"> 1327</span>  }</div><div class="line"><a name="l01328"></a><span class="lineno"> 1328</span>  }</div><div class="line"><a name="l01329"></a><span class="lineno"> 1329</span> </div><div class="line"><a name="l01330"></a><span class="lineno"> 1330</span>  <span class="comment">/* Sort texture sizes by area */</span></div><div class="line"><a name="l01331"></a><span class="lineno"> 1331</span>  qsort(texture_sizes, NUM_TEXTURE_SIZE * NUM_TEXTURE_SIZE,</div><div class="line"><a name="l01332"></a><span class="lineno"> 1332</span>  <span class="keyword">sizeof</span>(texture_size), &sort_textures);</div><div class="line"><a name="l01333"></a><span class="lineno"> 1333</span> </div><div class="line"><a name="l01334"></a><span class="lineno"> 1334</span>  <span class="keywordflow">for</span> (i = 0; i < NUM_TEXTURE_SIZE * NUM_TEXTURE_SIZE; i++) {</div><div class="line"><a name="l01335"></a><span class="lineno"> 1335</span>  <span class="keywordtype">int</span> num_channels;</div><div class="line"><a name="l01336"></a><span class="lineno"> 1336</span> </div><div class="line"><a name="l01337"></a><span class="lineno"> 1337</span>  <span class="comment">/* Check the area - it must be larger than</span></div><div class="line"><a name="l01338"></a><span class="lineno"> 1338</span> <span class="comment"> * all the glyphs</span></div><div class="line"><a name="l01339"></a><span class="lineno"> 1339</span> <span class="comment"> */</span></div><div class="line"><a name="l01340"></a><span class="lineno"> 1340</span>  texture_size *t = &texture_sizes[i];</div><div class="line"><a name="l01341"></a><span class="lineno"> 1341</span>  <span class="keywordtype">int</span> area = t->w * t->h;</div><div class="line"><a name="l01342"></a><span class="lineno"> 1342</span>  <span class="keywordtype">int</span> depth = 24;</div><div class="line"><a name="l01343"></a><span class="lineno"> 1343</span> </div><div class="line"><a name="l01344"></a><span class="lineno"> 1344</span>  <span class="keywordflow">if</span> (area < total_area) {</div><div class="line"><a name="l01345"></a><span class="lineno"> 1345</span>  <span class="keywordflow">continue</span>;</div><div class="line"><a name="l01346"></a><span class="lineno"> 1346</span>  }</div><div class="line"><a name="l01347"></a><span class="lineno"> 1347</span> </div><div class="line"><a name="l01348"></a><span class="lineno"> 1348</span>  <span class="comment">/* Check against max values */</span></div><div class="line"><a name="l01349"></a><span class="lineno"> 1349</span>  <span class="keywordflow">if</span> ((t->h < max_h) || (t->w < max_w)) {</div><div class="line"><a name="l01350"></a><span class="lineno"> 1350</span>  <span class="keywordflow">continue</span>;</div><div class="line"><a name="l01351"></a><span class="lineno"> 1351</span>  }</div><div class="line"><a name="l01352"></a><span class="lineno"> 1352</span> </div><div class="line"><a name="l01353"></a><span class="lineno"> 1353</span>  TRACE(PREFIX_I <span class="stringliteral">"look_for_texture: candidate size: %ix%i\n"</span>, t->w, t->h);</div><div class="line"><a name="l01354"></a><span class="lineno"> 1354</span> </div><div class="line"><a name="l01355"></a><span class="lineno"> 1355</span>  <span class="comment">/* Check that the texture can, in fact, be created */</span></div><div class="line"><a name="l01356"></a><span class="lineno"> 1356</span>  num_channels = __allegro_gl_get_num_channels(format);</div><div class="line"><a name="l01357"></a><span class="lineno"> 1357</span>  <span class="keywordflow">if</span> (num_channels == 1) {</div><div class="line"><a name="l01358"></a><span class="lineno"> 1358</span>  depth = 8;</div><div class="line"><a name="l01359"></a><span class="lineno"> 1359</span>  }</div><div class="line"><a name="l01360"></a><span class="lineno"> 1360</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (num_channels == 4) {</div><div class="line"><a name="l01361"></a><span class="lineno"> 1361</span>  depth = 32;</div><div class="line"><a name="l01362"></a><span class="lineno"> 1362</span>  }</div><div class="line"><a name="l01363"></a><span class="lineno"> 1363</span>  <span class="keywordflow">else</span> {</div><div class="line"><a name="l01364"></a><span class="lineno"> 1364</span>  depth = 24;</div><div class="line"><a name="l01365"></a><span class="lineno"> 1365</span>  }</div><div class="line"><a name="l01366"></a><span class="lineno"> 1366</span>  bmp = create_bitmap_ex(depth, t->w, t->h);</div><div class="line"><a name="l01367"></a><span class="lineno"> 1367</span> </div><div class="line"><a name="l01368"></a><span class="lineno"> 1368</span>  <span class="keywordflow">if</span> (!bmp) {</div><div class="line"><a name="l01369"></a><span class="lineno"> 1369</span>  TRACE(PREFIX_W <span class="stringliteral">"look_for_texture: Out of memory while "</span></div><div class="line"><a name="l01370"></a><span class="lineno"> 1370</span>  <span class="stringliteral">"creating bitmap\n"</span>);</div><div class="line"><a name="l01371"></a><span class="lineno"> 1371</span>  <span class="keywordflow">continue</span>;</div><div class="line"><a name="l01372"></a><span class="lineno"> 1372</span>  }</div><div class="line"><a name="l01373"></a><span class="lineno"> 1373</span> </div><div class="line"><a name="l01374"></a><span class="lineno"> 1374</span>  <span class="keywordflow">if</span> (!aglf_check_texture(bmp, format, has_alpha)) {</div><div class="line"><a name="l01375"></a><span class="lineno"> 1375</span>  TRACE(PREFIX_I <span class="stringliteral">"look_for_texture: Texture rejected by driver\n"</span>);</div><div class="line"><a name="l01376"></a><span class="lineno"> 1376</span>  destroy_bitmap(bmp);</div><div class="line"><a name="l01377"></a><span class="lineno"> 1377</span>  bmp = NULL;</div><div class="line"><a name="l01378"></a><span class="lineno"> 1378</span>  <span class="keywordflow">continue</span>;</div><div class="line"><a name="l01379"></a><span class="lineno"> 1379</span>  }</div><div class="line"><a name="l01380"></a><span class="lineno"> 1380</span> </div><div class="line"><a name="l01381"></a><span class="lineno"> 1381</span>  <span class="comment">/* Sort out the glyphs */</span></div><div class="line"><a name="l01382"></a><span class="lineno"> 1382</span>  TRACE(PREFIX_I <span class="stringliteral">"look_for_texture: Sorting on bmp: %p, beg: %i, "</span></div><div class="line"><a name="l01383"></a><span class="lineno"> 1383</span>  <span class="stringliteral">"end: %i\n"</span>, bmp, beg, end);</div><div class="line"><a name="l01384"></a><span class="lineno"> 1384</span> </div><div class="line"><a name="l01385"></a><span class="lineno"> 1385</span>  <span class="keywordflow">if</span> (aglf_sort_out_glyphs(bmp, glyphs, beg, end) == TRUE) {</div><div class="line"><a name="l01386"></a><span class="lineno"> 1386</span>  <span class="comment">/* Success? */</span></div><div class="line"><a name="l01387"></a><span class="lineno"> 1387</span>  <span class="keywordflow">return</span> bmp;</div><div class="line"><a name="l01388"></a><span class="lineno"> 1388</span>  }</div><div class="line"><a name="l01389"></a><span class="lineno"> 1389</span> </div><div class="line"><a name="l01390"></a><span class="lineno"> 1390</span>  <span class="comment">/* Failure? Try something else */</span></div><div class="line"><a name="l01391"></a><span class="lineno"> 1391</span>  TRACE(PREFIX_I <span class="stringliteral">"look_for_texture: Conversion failed\n"</span>);</div><div class="line"><a name="l01392"></a><span class="lineno"> 1392</span>  destroy_bitmap(bmp);</div><div class="line"><a name="l01393"></a><span class="lineno"> 1393</span>  bmp = NULL;</div><div class="line"><a name="l01394"></a><span class="lineno"> 1394</span>  }</div><div class="line"><a name="l01395"></a><span class="lineno"> 1395</span> </div><div class="line"><a name="l01396"></a><span class="lineno"> 1396</span>  <span class="keywordflow">return</span> NULL;</div><div class="line"><a name="l01397"></a><span class="lineno"> 1397</span> }</div><div class="line"><a name="l01398"></a><span class="lineno"> 1398</span> </div><div class="line"><a name="l01399"></a><span class="lineno"> 1399</span> </div><div class="line"><a name="l01400"></a><span class="lineno"> 1400</span> </div><div class="line"><a name="l01401"></a><span class="lineno"> 1401</span> <span class="preprocessor">#if GET_ALLEGRO_VERSION() >= MAKE_VER(4, 2, 1)</span></div><div class="line"><a name="l01402"></a><span class="lineno"> 1402</span> <span class="comment">/* This is only used to render chars from an Allegro font which has the</span></div><div class="line"><a name="l01403"></a><span class="lineno"> 1403</span> <span class="comment"> * font_vtable_trans vtable. If the target is an 8-bit bitmap, only the alpha</span></div><div class="line"><a name="l01404"></a><span class="lineno"> 1404</span> <span class="comment"> * channel is used. Otherwise, blit is used, to preserve the alpha channel.</span></div><div class="line"><a name="l01405"></a><span class="lineno"> 1405</span> <span class="comment"> */</span></div><div class="line"><a name="l01406"></a><span class="lineno"> 1406</span> <span class="keyword">static</span> <span class="keywordtype">int</span> dummy_render_char(AL_CONST FONT* f, <span class="keywordtype">int</span> ch, <span class="keywordtype">int</span> fg, <span class="keywordtype">int</span> bg,</div><div class="line"><a name="l01407"></a><span class="lineno"> 1407</span>  BITMAP* bmp, <span class="keywordtype">int</span> x, <span class="keywordtype">int</span> y)</div><div class="line"><a name="l01408"></a><span class="lineno"> 1408</span> {</div><div class="line"><a name="l01409"></a><span class="lineno"> 1409</span>  FONT_COLOR_DATA* cf = (FONT_COLOR_DATA*)(f->data);</div><div class="line"><a name="l01410"></a><span class="lineno"> 1410</span>  BITMAP *glyph = NULL;</div><div class="line"><a name="l01411"></a><span class="lineno"> 1411</span> </div><div class="line"><a name="l01412"></a><span class="lineno"> 1412</span>  <span class="keywordflow">while</span>(cf) {</div><div class="line"><a name="l01413"></a><span class="lineno"> 1413</span>  <span class="keywordflow">if</span>(ch >= cf->begin && ch < cf->end) {</div><div class="line"><a name="l01414"></a><span class="lineno"> 1414</span>  glyph = cf->bitmaps[ch - cf->begin];</div><div class="line"><a name="l01415"></a><span class="lineno"> 1415</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l01416"></a><span class="lineno"> 1416</span>  }</div><div class="line"><a name="l01417"></a><span class="lineno"> 1417</span>  cf = cf->next;</div><div class="line"><a name="l01418"></a><span class="lineno"> 1418</span>  }</div><div class="line"><a name="l01419"></a><span class="lineno"> 1419</span> </div><div class="line"><a name="l01420"></a><span class="lineno"> 1420</span>  <span class="keywordflow">if</span> (glyph)</div><div class="line"><a name="l01421"></a><span class="lineno"> 1421</span>  {</div><div class="line"><a name="l01422"></a><span class="lineno"> 1422</span>  <span class="keywordflow">if</span> (bitmap_color_depth(bmp) == 8) {</div><div class="line"><a name="l01423"></a><span class="lineno"> 1423</span>  <span class="keywordtype">int</span> gx, gy;</div><div class="line"><a name="l01424"></a><span class="lineno"> 1424</span>  <span class="keywordflow">for</span> (gy = 0; gy < bmp->h; gy++) {</div><div class="line"><a name="l01425"></a><span class="lineno"> 1425</span>  <span class="keywordflow">for</span> (gx = 0; gx < bmp->w; gx++) {</div><div class="line"><a name="l01426"></a><span class="lineno"> 1426</span>  <span class="keywordtype">int</span> c = getpixel(glyph, gx, gy);</div><div class="line"><a name="l01427"></a><span class="lineno"> 1427</span>  <span class="keywordtype">int</span> a = geta(c);</div><div class="line"><a name="l01428"></a><span class="lineno"> 1428</span>  putpixel(bmp, x + gx, y + gy, a);</div><div class="line"><a name="l01429"></a><span class="lineno"> 1429</span>  }</div><div class="line"><a name="l01430"></a><span class="lineno"> 1430</span>  }</div><div class="line"><a name="l01431"></a><span class="lineno"> 1431</span>  }</div><div class="line"><a name="l01432"></a><span class="lineno"> 1432</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l01433"></a><span class="lineno"> 1433</span>  blit(glyph, bmp, 0, 0, x, y, glyph->w, glyph->h);</div><div class="line"><a name="l01434"></a><span class="lineno"> 1434</span>  <span class="keywordflow">return</span> bmp->w;</div><div class="line"><a name="l01435"></a><span class="lineno"> 1435</span>  }</div><div class="line"><a name="l01436"></a><span class="lineno"> 1436</span>  <span class="keywordflow">return</span> 0;</div><div class="line"><a name="l01437"></a><span class="lineno"> 1437</span> }</div><div class="line"><a name="l01438"></a><span class="lineno"> 1438</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l01439"></a><span class="lineno"> 1439</span> </div><div class="line"><a name="l01440"></a><span class="lineno"> 1440</span> </div><div class="line"><a name="l01441"></a><span class="lineno"> 1441</span> </div><div class="line"><a name="l01442"></a><span class="lineno"> 1442</span> <span class="comment">/* Function to draw a character in a bitmap for conversion */</span></div><div class="line"><a name="l01443"></a><span class="lineno"> 1443</span> <span class="keyword">static</span> <span class="keywordtype">int</span> draw_glyphs(BITMAP *bmp, FONT *f, GLint format, <span class="keywordtype">int</span> beg, <span class="keywordtype">int</span> end,</div><div class="line"><a name="l01444"></a><span class="lineno"> 1444</span>  AGL_GLYPH *glyphs) {</div><div class="line"><a name="l01445"></a><span class="lineno"> 1445</span>  <span class="keywordtype">char</span> buf[32];</div><div class="line"><a name="l01446"></a><span class="lineno"> 1446</span>  <span class="keywordtype">int</span> i, j;</div><div class="line"><a name="l01447"></a><span class="lineno"> 1447</span> </div><div class="line"><a name="l01448"></a><span class="lineno"> 1448</span> <span class="preprocessor">#if GET_ALLEGRO_VERSION() >= MAKE_VER(4, 2, 1)</span></div><div class="line"><a name="l01449"></a><span class="lineno"> 1449</span>  <span class="keywordflow">if</span> (bitmap_color_depth(bmp) == 8 && f->vtable != font_vtable_trans) {</div><div class="line"><a name="l01450"></a><span class="lineno"> 1450</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l01451"></a><span class="lineno"> 1451</span>  <span class="keywordflow">if</span> (bitmap_color_depth(bmp) == 8) {</div><div class="line"><a name="l01452"></a><span class="lineno"> 1452</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l01453"></a><span class="lineno"> 1453</span>  <span class="comment">/* Generate an alpha font */</span></div><div class="line"><a name="l01454"></a><span class="lineno"> 1454</span>  BITMAP *rgbbmp = create_bitmap_ex(24, bmp->w, bmp->h);</div><div class="line"><a name="l01455"></a><span class="lineno"> 1455</span> </div><div class="line"><a name="l01456"></a><span class="lineno"> 1456</span>  <span class="keywordflow">if</span> (!rgbbmp) {</div><div class="line"><a name="l01457"></a><span class="lineno"> 1457</span>  TRACE(PREFIX_E <span class="stringliteral">"convert_allegro_font_to_texture: "</span></div><div class="line"><a name="l01458"></a><span class="lineno"> 1458</span>  <span class="stringliteral">"Ran out of memory while creating %ix%ix%i bitmap!\n"</span>,</div><div class="line"><a name="l01459"></a><span class="lineno"> 1459</span>  bmp->w, bmp->h, 24);</div><div class="line"><a name="l01460"></a><span class="lineno"> 1460</span>  <span class="keywordflow">return</span> FALSE;</div><div class="line"><a name="l01461"></a><span class="lineno"> 1461</span>  }</div><div class="line"><a name="l01462"></a><span class="lineno"> 1462</span> </div><div class="line"><a name="l01463"></a><span class="lineno"> 1463</span>  clear_bitmap(rgbbmp);</div><div class="line"><a name="l01464"></a><span class="lineno"> 1464</span> </div><div class="line"><a name="l01465"></a><span class="lineno"> 1465</span>  <span class="keywordflow">for</span> (i = 0; i < end - beg; i++) {</div><div class="line"><a name="l01466"></a><span class="lineno"> 1466</span>  usetc(buf + usetc(buf, glyphs[i].glyph_num + beg), 0);</div><div class="line"><a name="l01467"></a><span class="lineno"> 1467</span> </div><div class="line"><a name="l01468"></a><span class="lineno"> 1468</span>  textout_ex(rgbbmp, f, buf, glyphs[i].x - glyphs[i].offset_x,</div><div class="line"><a name="l01469"></a><span class="lineno"> 1469</span>  glyphs[i].y - glyphs[i].offset_y, -1, -1);</div><div class="line"><a name="l01470"></a><span class="lineno"> 1470</span>  }</div><div class="line"><a name="l01471"></a><span class="lineno"> 1471</span> </div><div class="line"><a name="l01472"></a><span class="lineno"> 1472</span>  <span class="comment">/* Convert back to 8bpp */</span></div><div class="line"><a name="l01473"></a><span class="lineno"> 1473</span>  <span class="keywordflow">for</span> (j = 0; j < bmp->h; j++) {</div><div class="line"><a name="l01474"></a><span class="lineno"> 1474</span>  <span class="keywordflow">for</span> (i = 0; i < bmp->w; i++) {</div><div class="line"><a name="l01475"></a><span class="lineno"> 1475</span>  <span class="keywordtype">int</span> pix = _getpixel24(rgbbmp, i, j);</div><div class="line"><a name="l01476"></a><span class="lineno"> 1476</span>  <span class="keywordtype">int</span> r = getr24(pix);</div><div class="line"><a name="l01477"></a><span class="lineno"> 1477</span>  <span class="keywordtype">int</span> g = getg24(pix);</div><div class="line"><a name="l01478"></a><span class="lineno"> 1478</span>  <span class="keywordtype">int</span> b = getb24(pix);</div><div class="line"><a name="l01479"></a><span class="lineno"> 1479</span>  <span class="keywordtype">int</span> gray = (r * 77 + g * 150 + b * 28 + 255) >> 8;</div><div class="line"><a name="l01480"></a><span class="lineno"> 1480</span>  _putpixel(bmp, i, j, MID(0, gray, 255));</div><div class="line"><a name="l01481"></a><span class="lineno"> 1481</span>  }</div><div class="line"><a name="l01482"></a><span class="lineno"> 1482</span>  }</div><div class="line"><a name="l01483"></a><span class="lineno"> 1483</span>  destroy_bitmap(rgbbmp);</div><div class="line"><a name="l01484"></a><span class="lineno"> 1484</span>  }</div><div class="line"><a name="l01485"></a><span class="lineno"> 1485</span>  <span class="keywordflow">else</span> {</div><div class="line"><a name="l01486"></a><span class="lineno"> 1486</span> <span class="preprocessor">#if GET_ALLEGRO_VERSION() >= MAKE_VER(4, 2, 1)</span></div><div class="line"><a name="l01487"></a><span class="lineno"> 1487</span>  int (*borrowed_color_vtable)(AL_CONST FONT*, int, int, int, BITMAP*, int, int) = NULL;</div><div class="line"><a name="l01488"></a><span class="lineno"> 1488</span> </div><div class="line"><a name="l01489"></a><span class="lineno"> 1489</span>  <span class="comment">//In order to keep the alpha channel in textout_ex we borrow</span></div><div class="line"><a name="l01490"></a><span class="lineno"> 1490</span>  <span class="comment">//the color font vtable which uses maked_blit() instead of</span></div><div class="line"><a name="l01491"></a><span class="lineno"> 1491</span>  <span class="comment">//draw_trans_sprite() to draw glyphs.</span></div><div class="line"><a name="l01492"></a><span class="lineno"> 1492</span>  <span class="keywordflow">if</span> (f->vtable == font_vtable_trans) {</div><div class="line"><a name="l01493"></a><span class="lineno"> 1493</span>  borrowed_color_vtable = f->vtable->render_char;</div><div class="line"><a name="l01494"></a><span class="lineno"> 1494</span>  f->vtable->render_char = dummy_render_char;</div><div class="line"><a name="l01495"></a><span class="lineno"> 1495</span>  }</div><div class="line"><a name="l01496"></a><span class="lineno"> 1496</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l01497"></a><span class="lineno"> 1497</span> </div><div class="line"><a name="l01498"></a><span class="lineno"> 1498</span>  <span class="keywordflow">if</span> (__allegro_gl_get_num_channels(format) == 4) {</div><div class="line"><a name="l01499"></a><span class="lineno"> 1499</span>  clear_to_color(bmp, bitmap_mask_color(bmp));</div><div class="line"><a name="l01500"></a><span class="lineno"> 1500</span>  }</div><div class="line"><a name="l01501"></a><span class="lineno"> 1501</span>  <span class="keywordflow">else</span> {</div><div class="line"><a name="l01502"></a><span class="lineno"> 1502</span>  clear_bitmap(bmp);</div><div class="line"><a name="l01503"></a><span class="lineno"> 1503</span>  }</div><div class="line"><a name="l01504"></a><span class="lineno"> 1504</span> </div><div class="line"><a name="l01505"></a><span class="lineno"> 1505</span>  <span class="keywordflow">for</span> (i = 0; i < end - beg; i++) {</div><div class="line"><a name="l01506"></a><span class="lineno"> 1506</span>  usetc(buf + usetc(buf, glyphs[i].glyph_num + beg), 0);</div><div class="line"><a name="l01507"></a><span class="lineno"> 1507</span>  textout_ex(bmp, f, buf, glyphs[i].x - glyphs[i].offset_x,</div><div class="line"><a name="l01508"></a><span class="lineno"> 1508</span>  glyphs[i].y - glyphs[i].offset_y, -1, -1);</div><div class="line"><a name="l01509"></a><span class="lineno"> 1509</span>  }</div><div class="line"><a name="l01510"></a><span class="lineno"> 1510</span> </div><div class="line"><a name="l01511"></a><span class="lineno"> 1511</span> <span class="preprocessor">#if GET_ALLEGRO_VERSION() >= MAKE_VER(4, 2, 1)</span></div><div class="line"><a name="l01512"></a><span class="lineno"> 1512</span>  <span class="keywordflow">if</span> (borrowed_color_vtable) {</div><div class="line"><a name="l01513"></a><span class="lineno"> 1513</span>  f->vtable->render_char = borrowed_color_vtable;</div><div class="line"><a name="l01514"></a><span class="lineno"> 1514</span>  }</div><div class="line"><a name="l01515"></a><span class="lineno"> 1515</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l01516"></a><span class="lineno"> 1516</span>  }</div><div class="line"><a name="l01517"></a><span class="lineno"> 1517</span> </div><div class="line"><a name="l01518"></a><span class="lineno"> 1518</span>  <span class="keywordflow">return</span> TRUE;</div><div class="line"><a name="l01519"></a><span class="lineno"> 1519</span> }</div><div class="line"><a name="l01520"></a><span class="lineno"> 1520</span> </div><div class="line"><a name="l01521"></a><span class="lineno"> 1521</span> </div><div class="line"><a name="l01522"></a><span class="lineno"> 1522</span> </div><div class="line"><a name="l01523"></a><span class="lineno"> 1523</span> <span class="comment">/* Converts a single font range to a texture.</span></div><div class="line"><a name="l01524"></a><span class="lineno"> 1524</span> <span class="comment"> * dest - Receives the result.</span></div><div class="line"><a name="l01525"></a><span class="lineno"> 1525</span> <span class="comment"> * f - The original font.</span></div><div class="line"><a name="l01526"></a><span class="lineno"> 1526</span> <span class="comment"> * src - The original font data.</span></div><div class="line"><a name="l01527"></a><span class="lineno"> 1527</span> <span class="comment"> */</span></div><div class="line"><a name="l01528"></a><span class="lineno"> 1528</span> <span class="keyword">static</span> <span class="keywordtype">void</span> aglf_convert_allegro_font_to_texture(FONT_AGL_DATA **dest, FONT *f,</div><div class="line"><a name="l01529"></a><span class="lineno"> 1529</span>  <span class="keywordtype">void</span> *src, <span class="keywordtype">int</span> *height, <span class="keywordtype">float</span> scale, GLint format) {</div><div class="line"><a name="l01530"></a><span class="lineno"> 1530</span> </div><div class="line"><a name="l01531"></a><span class="lineno"> 1531</span>  <span class="keywordtype">int</span> max = 0;</div><div class="line"><a name="l01532"></a><span class="lineno"> 1532</span>  BITMAP *bmp = NULL;</div><div class="line"><a name="l01533"></a><span class="lineno"> 1533</span>  <span class="keywordtype">int</span> beg = 0, end = 0;</div><div class="line"><a name="l01534"></a><span class="lineno"> 1534</span>  <span class="keywordtype">int</span> max_w, max_h;</div><div class="line"><a name="l01535"></a><span class="lineno"> 1535</span>  <span class="keywordtype">int</span> total_area, gross_area;</div><div class="line"><a name="l01536"></a><span class="lineno"> 1536</span> </div><div class="line"><a name="l01537"></a><span class="lineno"> 1537</span>  AGL_GLYPH *glyph_coords;</div><div class="line"><a name="l01538"></a><span class="lineno"> 1538</span> </div><div class="line"><a name="l01539"></a><span class="lineno"> 1539</span>  <span class="keyword">union </span>mixed_ptr dat;</div><div class="line"><a name="l01540"></a><span class="lineno"> 1540</span>  dat.ptr = src;</div><div class="line"><a name="l01541"></a><span class="lineno"> 1541</span> </div><div class="line"><a name="l01542"></a><span class="lineno"> 1542</span>  <span class="keywordflow">if</span> (is_mono_font(f)) {</div><div class="line"><a name="l01543"></a><span class="lineno"> 1543</span>  beg = dat.mf->begin;</div><div class="line"><a name="l01544"></a><span class="lineno"> 1544</span>  end = dat.mf->end;</div><div class="line"><a name="l01545"></a><span class="lineno"> 1545</span>  max = dat.mf->end - dat.mf->begin;</div><div class="line"><a name="l01546"></a><span class="lineno"> 1546</span>  <span class="keywordflow">if</span> (format == -1) {</div><div class="line"><a name="l01547"></a><span class="lineno"> 1547</span>  format = GL_INTENSITY4;</div><div class="line"><a name="l01548"></a><span class="lineno"> 1548</span>  }</div><div class="line"><a name="l01549"></a><span class="lineno"> 1549</span>  }</div><div class="line"><a name="l01550"></a><span class="lineno"> 1550</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (is_color_font(f)) {</div><div class="line"><a name="l01551"></a><span class="lineno"> 1551</span>  beg = dat.cf->begin;</div><div class="line"><a name="l01552"></a><span class="lineno"> 1552</span>  end = dat.cf->end;</div><div class="line"><a name="l01553"></a><span class="lineno"> 1553</span>  max = dat.cf->end - dat.cf->begin;</div><div class="line"><a name="l01554"></a><span class="lineno"> 1554</span>  <span class="keywordflow">if</span> (format == -1) {</div><div class="line"><a name="l01555"></a><span class="lineno"> 1555</span> <span class="preprocessor">#if GET_ALLEGRO_VERSION() >= MAKE_VER(4, 2, 1)</span></div><div class="line"><a name="l01556"></a><span class="lineno"> 1556</span>  format = (f->vtable == font_vtable_trans ? GL_RGBA8 : GL_RGB8);</div><div class="line"><a name="l01557"></a><span class="lineno"> 1557</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l01558"></a><span class="lineno"> 1558</span>  format = GL_RGB8;</div><div class="line"><a name="l01559"></a><span class="lineno"> 1559</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l01560"></a><span class="lineno"> 1560</span>  }</div><div class="line"><a name="l01561"></a><span class="lineno"> 1561</span>  }</div><div class="line"><a name="l01562"></a><span class="lineno"> 1562</span> </div><div class="line"><a name="l01563"></a><span class="lineno"> 1563</span>  <span class="comment">/* Allocate glyph sizes */</span></div><div class="line"><a name="l01564"></a><span class="lineno"> 1564</span>  glyph_coords = malloc(max * <span class="keyword">sizeof</span>(AGL_GLYPH));</div><div class="line"><a name="l01565"></a><span class="lineno"> 1565</span>  memset(glyph_coords, 0, max * <span class="keyword">sizeof</span>(AGL_GLYPH));</div><div class="line"><a name="l01566"></a><span class="lineno"> 1566</span> </div><div class="line"><a name="l01567"></a><span class="lineno"> 1567</span>  <span class="keywordflow">if</span> (crop_font_range(f, dat.ptr, beg, end, glyph_coords,</div><div class="line"><a name="l01568"></a><span class="lineno"> 1568</span>  &total_area, &gross_area, &max_w, &max_h) == FALSE) {</div><div class="line"><a name="l01569"></a><span class="lineno"> 1569</span>  TRACE(PREFIX_I <span class="stringliteral">"convert_allegro_font_to_texture: Unable to crop font "</span></div><div class="line"><a name="l01570"></a><span class="lineno"> 1570</span>  <span class="stringliteral">"range\n"</span>);</div><div class="line"><a name="l01571"></a><span class="lineno"> 1571</span>  free(glyph_coords);</div><div class="line"><a name="l01572"></a><span class="lineno"> 1572</span>  <span class="keywordflow">return</span>;</div><div class="line"><a name="l01573"></a><span class="lineno"> 1573</span>  }</div><div class="line"><a name="l01574"></a><span class="lineno"> 1574</span> </div><div class="line"><a name="l01575"></a><span class="lineno"> 1575</span>  TRACE(PREFIX_I <span class="stringliteral">"convert_allegro_font_to_texture: Total area of glyphs: "</span></div><div class="line"><a name="l01576"></a><span class="lineno"> 1576</span>  <span class="stringliteral">"%i pixels (%i pixels gross) - max_w: %i, max_h: %i\n"</span>,</div><div class="line"><a name="l01577"></a><span class="lineno"> 1577</span>  total_area, gross_area, max_w, max_h);</div><div class="line"><a name="l01578"></a><span class="lineno"> 1578</span> </div><div class="line"><a name="l01579"></a><span class="lineno"> 1579</span>  <span class="comment">/* Sort glyphs by width, then height */</span></div><div class="line"><a name="l01580"></a><span class="lineno"> 1580</span>  qsort(glyph_coords, end - beg, <span class="keyword">sizeof</span>(AGL_GLYPH), &sort_glyphs);</div><div class="line"><a name="l01581"></a><span class="lineno"> 1581</span> </div><div class="line"><a name="l01582"></a><span class="lineno"> 1582</span> </div><div class="line"><a name="l01583"></a><span class="lineno"> 1583</span>  <span class="comment">/* Now, we look for the appropriate texture size */</span></div><div class="line"><a name="l01584"></a><span class="lineno"> 1584</span>  bmp = look_for_texture(beg, end, glyph_coords, max_w, max_h,</div><div class="line"><a name="l01585"></a><span class="lineno"> 1585</span>  total_area, format, (*dest)->has_alpha);</div><div class="line"><a name="l01586"></a><span class="lineno"> 1586</span> </div><div class="line"><a name="l01587"></a><span class="lineno"> 1587</span>  <span class="comment">/* No texture sizes were found - we should split the font up */</span></div><div class="line"><a name="l01588"></a><span class="lineno"> 1588</span>  <span class="keywordflow">if</span> (!bmp) {</div><div class="line"><a name="l01589"></a><span class="lineno"> 1589</span>  <span class="keywordtype">int</span> height1;</div><div class="line"><a name="l01590"></a><span class="lineno"> 1590</span>  <span class="keyword">union </span>mixed_ptr f1, f2;</div><div class="line"><a name="l01591"></a><span class="lineno"> 1591</span>  FONT_AGL_DATA *dest1, *dest2;</div><div class="line"><a name="l01592"></a><span class="lineno"> 1592</span> </div><div class="line"><a name="l01593"></a><span class="lineno"> 1593</span>  free(glyph_coords);</div><div class="line"><a name="l01594"></a><span class="lineno"> 1594</span> </div><div class="line"><a name="l01595"></a><span class="lineno"> 1595</span>  dest1 = *(dest);</div><div class="line"><a name="l01596"></a><span class="lineno"> 1596</span>  dest2 = malloc(<span class="keyword">sizeof</span>(FONT_AGL_DATA));</div><div class="line"><a name="l01597"></a><span class="lineno"> 1597</span> </div><div class="line"><a name="l01598"></a><span class="lineno"> 1598</span>  <span class="keywordflow">if</span> (!dest2) {</div><div class="line"><a name="l01599"></a><span class="lineno"> 1599</span>  TRACE(PREFIX_E <span class="stringliteral">"convert_allegro_font_to_texture: "</span></div><div class="line"><a name="l01600"></a><span class="lineno"> 1600</span>  <span class="stringliteral">"Out of memory while trying to allocate %i bytes.\n"</span>,</div><div class="line"><a name="l01601"></a><span class="lineno"> 1601</span>  (<span class="keywordtype">int</span>)<span class="keyword">sizeof</span>(FONT_AGL_DATA));</div><div class="line"><a name="l01602"></a><span class="lineno"> 1602</span>  <span class="keywordflow">return</span>;</div><div class="line"><a name="l01603"></a><span class="lineno"> 1603</span>  }</div><div class="line"><a name="l01604"></a><span class="lineno"> 1604</span> </div><div class="line"><a name="l01605"></a><span class="lineno"> 1605</span>  memset(dest2, 0, <span class="keyword">sizeof</span>(FONT_AGL_DATA));</div><div class="line"><a name="l01606"></a><span class="lineno"> 1606</span> </div><div class="line"><a name="l01607"></a><span class="lineno"> 1607</span>  dest2->next = dest1->next;</div><div class="line"><a name="l01608"></a><span class="lineno"> 1608</span>  dest1->next = dest2;</div><div class="line"><a name="l01609"></a><span class="lineno"> 1609</span>  dest2->is_free_chunk = TRUE;</div><div class="line"><a name="l01610"></a><span class="lineno"> 1610</span>  dest2->format = dest1->format;</div><div class="line"><a name="l01611"></a><span class="lineno"> 1611</span>  dest2->has_alpha = dest1->has_alpha;</div><div class="line"><a name="l01612"></a><span class="lineno"> 1612</span> </div><div class="line"><a name="l01613"></a><span class="lineno"> 1613</span>  <span class="keywordflow">if</span> (split_font(f, dat.ptr, &f1.ptr, &f2.ptr) == FALSE) {</div><div class="line"><a name="l01614"></a><span class="lineno"> 1614</span>  TRACE(PREFIX_E <span class="stringliteral">"convert_allegro_font_to_texture: Unable "</span></div><div class="line"><a name="l01615"></a><span class="lineno"> 1615</span>  <span class="stringliteral">"to split font!\n"</span>);</div><div class="line"><a name="l01616"></a><span class="lineno"> 1616</span>  dest1->next = dest2->next;</div><div class="line"><a name="l01617"></a><span class="lineno"> 1617</span>  free(dest2);</div><div class="line"><a name="l01618"></a><span class="lineno"> 1618</span>  <span class="keywordflow">return</span>;</div><div class="line"><a name="l01619"></a><span class="lineno"> 1619</span>  }</div><div class="line"><a name="l01620"></a><span class="lineno"> 1620</span> </div><div class="line"><a name="l01621"></a><span class="lineno"> 1621</span>  aglf_convert_allegro_font_to_texture(&dest1, f, f1.ptr, height, scale,</div><div class="line"><a name="l01622"></a><span class="lineno"> 1622</span>  format);</div><div class="line"><a name="l01623"></a><span class="lineno"> 1623</span>  height1 = (*height);</div><div class="line"><a name="l01624"></a><span class="lineno"> 1624</span>  aglf_convert_allegro_font_to_texture(&dest2, f, f2.ptr, height, scale,</div><div class="line"><a name="l01625"></a><span class="lineno"> 1625</span>  format);</div><div class="line"><a name="l01626"></a><span class="lineno"> 1626</span>  destroy_split_font(f, f1, f2);</div><div class="line"><a name="l01627"></a><span class="lineno"> 1627</span> </div><div class="line"><a name="l01628"></a><span class="lineno"> 1628</span>  <span class="keywordflow">if</span> (height1 > (*height))</div><div class="line"><a name="l01629"></a><span class="lineno"> 1629</span>  (*height) = height1;</div><div class="line"><a name="l01630"></a><span class="lineno"> 1630</span>  (*dest) = dest2;</div><div class="line"><a name="l01631"></a><span class="lineno"> 1631</span> </div><div class="line"><a name="l01632"></a><span class="lineno"> 1632</span>  <span class="keywordflow">return</span>;</div><div class="line"><a name="l01633"></a><span class="lineno"> 1633</span>  }</div><div class="line"><a name="l01634"></a><span class="lineno"> 1634</span> </div><div class="line"><a name="l01635"></a><span class="lineno"> 1635</span>  TRACE(PREFIX_I <span class="stringliteral">"convert_allegro_font_to_texture: Using texture "</span></div><div class="line"><a name="l01636"></a><span class="lineno"> 1636</span>  <span class="stringliteral">"%ix%ix%i for font conversion.\n"</span>, bmp->w, bmp->h,</div><div class="line"><a name="l01637"></a><span class="lineno"> 1637</span>  bitmap_color_depth(bmp));</div><div class="line"><a name="l01638"></a><span class="lineno"> 1638</span> </div><div class="line"><a name="l01639"></a><span class="lineno"> 1639</span>  <span class="comment">/* Now that all the glyphs are in place, we draw them into the bitmap */</span></div><div class="line"><a name="l01640"></a><span class="lineno"> 1640</span>  <span class="keywordflow">if</span> (draw_glyphs(bmp, f, format, beg, end, glyph_coords) == FALSE) {</div><div class="line"><a name="l01641"></a><span class="lineno"> 1641</span>  destroy_bitmap(bmp);</div><div class="line"><a name="l01642"></a><span class="lineno"> 1642</span>  free(glyph_coords);</div><div class="line"><a name="l01643"></a><span class="lineno"> 1643</span>  <span class="keywordflow">return</span>;</div><div class="line"><a name="l01644"></a><span class="lineno"> 1644</span>  }</div><div class="line"><a name="l01645"></a><span class="lineno"> 1645</span> </div><div class="line"><a name="l01646"></a><span class="lineno"> 1646</span>  <span class="comment">/* Un-Sort glyphs */</span></div><div class="line"><a name="l01647"></a><span class="lineno"> 1647</span>  qsort(glyph_coords, end - beg, <span class="keyword">sizeof</span>(AGL_GLYPH), &unsort_glyphs);</div><div class="line"><a name="l01648"></a><span class="lineno"> 1648</span> </div><div class="line"><a name="l01649"></a><span class="lineno"> 1649</span> <span class="preprocessor">#if (defined SAVE_FONT_SCREENSHOT)</span></div><div class="line"><a name="l01650"></a><span class="lineno"> 1650</span>  save_shot(bmp);</div><div class="line"><a name="l01651"></a><span class="lineno"> 1651</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l01652"></a><span class="lineno"> 1652</span> </div><div class="line"><a name="l01653"></a><span class="lineno"> 1653</span>  (*dest)->list_base =</div><div class="line"><a name="l01654"></a><span class="lineno"> 1654</span>  create_textured_font_call_lists(glyph_coords, max, bmp,</div><div class="line"><a name="l01655"></a><span class="lineno"> 1655</span>  scale, height);</div><div class="line"><a name="l01656"></a><span class="lineno"> 1656</span> </div><div class="line"><a name="l01657"></a><span class="lineno"> 1657</span>  (*dest)->texture = aglf_upload_texture(bmp, format, (*dest)->has_alpha);</div><div class="line"><a name="l01658"></a><span class="lineno"> 1658</span>  (*dest)->type = <a class="code" href="group__Text.html#ga92bf039bc7b06568273ee17f15cf6671">AGL_FONT_TYPE_TEXTURED</a>;</div><div class="line"><a name="l01659"></a><span class="lineno"> 1659</span>  (*dest)->format = format;</div><div class="line"><a name="l01660"></a><span class="lineno"> 1660</span>  (*dest)->scale = scale;</div><div class="line"><a name="l01661"></a><span class="lineno"> 1661</span>  (*dest)->start = beg;</div><div class="line"><a name="l01662"></a><span class="lineno"> 1662</span>  (*dest)->end = end;</div><div class="line"><a name="l01663"></a><span class="lineno"> 1663</span>  (*dest)->data = bmp;</div><div class="line"><a name="l01664"></a><span class="lineno"> 1664</span>  (*dest)->glyph_coords = glyph_coords;</div><div class="line"><a name="l01665"></a><span class="lineno"> 1665</span> </div><div class="line"><a name="l01666"></a><span class="lineno"> 1666</span>  <span class="keywordflow">return</span>;</div><div class="line"><a name="l01667"></a><span class="lineno"> 1667</span> }</div><div class="line"><a name="l01668"></a><span class="lineno"> 1668</span> </div><div class="line"><a name="l01669"></a><span class="lineno"> 1669</span> </div><div class="line"><a name="l01670"></a><span class="lineno"> 1670</span> </div><div class="line"><a name="l01671"></a><span class="lineno"> 1671</span> <span class="keyword">static</span> <span class="keywordtype">void</span> aglf_convert_allegro_font_to_bitmap(FONT_AGL_DATA *dest, FONT *f,</div><div class="line"><a name="l01672"></a><span class="lineno"> 1672</span>  <span class="keywordtype">void</span> *src, <span class="keywordtype">int</span> *height) {</div><div class="line"><a name="l01673"></a><span class="lineno"> 1673</span> </div><div class="line"><a name="l01674"></a><span class="lineno"> 1674</span>  <span class="keywordtype">int</span> max = 0;</div><div class="line"><a name="l01675"></a><span class="lineno"> 1675</span>  <span class="keywordtype">int</span> i, j, k;</div><div class="line"><a name="l01676"></a><span class="lineno"> 1676</span>  <span class="keywordtype">int</span> beg = 0, end = 0;</div><div class="line"><a name="l01677"></a><span class="lineno"> 1677</span>  <span class="keywordtype">int</span> mask;</div><div class="line"><a name="l01678"></a><span class="lineno"> 1678</span>  FONT_GLYPH **glyph;</div><div class="line"><a name="l01679"></a><span class="lineno"> 1679</span> </div><div class="line"><a name="l01680"></a><span class="lineno"> 1680</span>  <span class="keyword">union </span>{</div><div class="line"><a name="l01681"></a><span class="lineno"> 1681</span>  FONT_MONO_DATA* mf;</div><div class="line"><a name="l01682"></a><span class="lineno"> 1682</span>  FONT_COLOR_DATA* cf;</div><div class="line"><a name="l01683"></a><span class="lineno"> 1683</span>  <span class="keywordtype">void</span> *ptr;</div><div class="line"><a name="l01684"></a><span class="lineno"> 1684</span>  } dat;</div><div class="line"><a name="l01685"></a><span class="lineno"> 1685</span> </div><div class="line"><a name="l01686"></a><span class="lineno"> 1686</span>  dat.ptr = src;</div><div class="line"><a name="l01687"></a><span class="lineno"> 1687</span> </div><div class="line"><a name="l01688"></a><span class="lineno"> 1688</span>  <span class="keywordflow">if</span> (is_mono_font(f))</div><div class="line"><a name="l01689"></a><span class="lineno"> 1689</span>  max = dat.mf->end - dat.mf->begin;</div><div class="line"><a name="l01690"></a><span class="lineno"> 1690</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (is_color_font(f))</div><div class="line"><a name="l01691"></a><span class="lineno"> 1691</span>  max = dat.cf->end - dat.cf->begin;</div><div class="line"><a name="l01692"></a><span class="lineno"> 1692</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l01693"></a><span class="lineno"> 1693</span>  <span class="keywordflow">return</span>;</div><div class="line"><a name="l01694"></a><span class="lineno"> 1694</span> </div><div class="line"><a name="l01695"></a><span class="lineno"> 1695</span>  glyph = malloc(<span class="keyword">sizeof</span>(FONT_GLYPH*) * max);</div><div class="line"><a name="l01696"></a><span class="lineno"> 1696</span> </div><div class="line"><a name="l01697"></a><span class="lineno"> 1697</span>  <span class="keywordflow">if</span> (!glyph) {</div><div class="line"><a name="l01698"></a><span class="lineno"> 1698</span>  TRACE(PREFIX_E <span class="stringliteral">"convert_allegro_font_to_bitmap: Ran out of "</span></div><div class="line"><a name="l01699"></a><span class="lineno"> 1699</span>  <span class="stringliteral">"memory while allocating %i bytes\n"</span>, (<span class="keywordtype">int</span>)<span class="keyword">sizeof</span>(FONT_GLYPH));</div><div class="line"><a name="l01700"></a><span class="lineno"> 1700</span>  <span class="keywordflow">return</span>;</div><div class="line"><a name="l01701"></a><span class="lineno"> 1701</span>  }</div><div class="line"><a name="l01702"></a><span class="lineno"> 1702</span> </div><div class="line"><a name="l01703"></a><span class="lineno"> 1703</span>  *height = f->height;</div><div class="line"><a name="l01704"></a><span class="lineno"> 1704</span> </div><div class="line"><a name="l01705"></a><span class="lineno"> 1705</span>  <span class="keywordflow">if</span> (is_mono_font(f)) {</div><div class="line"><a name="l01706"></a><span class="lineno"> 1706</span> </div><div class="line"><a name="l01707"></a><span class="lineno"> 1707</span>  <span class="comment">/* for each glyph */</span></div><div class="line"><a name="l01708"></a><span class="lineno"> 1708</span>  <span class="keywordflow">for</span> (i = 0; i < max; i++) {</div><div class="line"><a name="l01709"></a><span class="lineno"> 1709</span>  FONT_GLYPH *oldgl = dat.mf->glyphs[i];</div><div class="line"><a name="l01710"></a><span class="lineno"> 1710</span> </div><div class="line"><a name="l01711"></a><span class="lineno"> 1711</span>  <span class="keywordtype">int</span> size = <span class="keyword">sizeof</span>(FONT_GLYPH) + ((oldgl->w + 31) / 32) * 4</div><div class="line"><a name="l01712"></a><span class="lineno"> 1712</span>  * oldgl->h;</div><div class="line"><a name="l01713"></a><span class="lineno"> 1713</span> </div><div class="line"><a name="l01714"></a><span class="lineno"> 1714</span>  <span class="comment">/* create new glyph */</span></div><div class="line"><a name="l01715"></a><span class="lineno"> 1715</span>  FONT_GLYPH *newgl = (FONT_GLYPH*)malloc(size);</div><div class="line"><a name="l01716"></a><span class="lineno"> 1716</span> </div><div class="line"><a name="l01717"></a><span class="lineno"> 1717</span>  <span class="keywordflow">if</span> (!newgl)</div><div class="line"><a name="l01718"></a><span class="lineno"> 1718</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l01719"></a><span class="lineno"> 1719</span> </div><div class="line"><a name="l01720"></a><span class="lineno"> 1720</span>  memset(newgl, 0, size);</div><div class="line"><a name="l01721"></a><span class="lineno"> 1721</span> </div><div class="line"><a name="l01722"></a><span class="lineno"> 1722</span>  newgl->w = oldgl->w;</div><div class="line"><a name="l01723"></a><span class="lineno"> 1723</span>  newgl->h = oldgl->h;</div><div class="line"><a name="l01724"></a><span class="lineno"> 1724</span> </div><div class="line"><a name="l01725"></a><span class="lineno"> 1725</span>  <span class="comment">/* update the data */</span></div><div class="line"><a name="l01726"></a><span class="lineno"> 1726</span>  <span class="keywordflow">for</span> (j = 0; j < oldgl->h; j++) {</div><div class="line"><a name="l01727"></a><span class="lineno"> 1727</span>  <span class="keywordflow">for</span> (k = 0; k < ((oldgl->w + 7) / 8); k++) {</div><div class="line"><a name="l01728"></a><span class="lineno"> 1728</span>  <span class="keywordtype">int</span> addr = (oldgl->h - j - 1) * ((oldgl->w + 31) / 32) * 4</div><div class="line"><a name="l01729"></a><span class="lineno"> 1729</span>  + k;</div><div class="line"><a name="l01730"></a><span class="lineno"> 1730</span>  newgl->dat[addr] = oldgl->dat[j * ((oldgl->w + 7) / 8) + k];</div><div class="line"><a name="l01731"></a><span class="lineno"> 1731</span>  }</div><div class="line"><a name="l01732"></a><span class="lineno"> 1732</span>  }</div><div class="line"><a name="l01733"></a><span class="lineno"> 1733</span> </div><div class="line"><a name="l01734"></a><span class="lineno"> 1734</span>  glyph[i] = newgl;</div><div class="line"><a name="l01735"></a><span class="lineno"> 1735</span>  }</div><div class="line"><a name="l01736"></a><span class="lineno"> 1736</span>  }</div><div class="line"><a name="l01737"></a><span class="lineno"> 1737</span>  <span class="comment">/* Reduce to 1 bit */</span></div><div class="line"><a name="l01738"></a><span class="lineno"> 1738</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (is_color_font(f)) {</div><div class="line"><a name="l01739"></a><span class="lineno"> 1739</span>  <span class="comment">/* for each glyph */</span></div><div class="line"><a name="l01740"></a><span class="lineno"> 1740</span>  <span class="keywordflow">for</span> (i = 0; i < max; i++) {</div><div class="line"><a name="l01741"></a><span class="lineno"> 1741</span> </div><div class="line"><a name="l01742"></a><span class="lineno"> 1742</span>  <span class="keywordtype">int</span> size;</div><div class="line"><a name="l01743"></a><span class="lineno"> 1743</span>  BITMAP *oldgl = dat.cf->bitmaps[i];</div><div class="line"><a name="l01744"></a><span class="lineno"> 1744</span>  FONT_GLYPH *newgl;</div><div class="line"><a name="l01745"></a><span class="lineno"> 1745</span> </div><div class="line"><a name="l01746"></a><span class="lineno"> 1746</span>  mask = bitmap_mask_color(oldgl);</div><div class="line"><a name="l01747"></a><span class="lineno"> 1747</span> </div><div class="line"><a name="l01748"></a><span class="lineno"> 1748</span>  size = <span class="keyword">sizeof</span>(FONT_GLYPH) + ((oldgl->w + 31) / 32) * 4 * oldgl->h;</div><div class="line"><a name="l01749"></a><span class="lineno"> 1749</span> </div><div class="line"><a name="l01750"></a><span class="lineno"> 1750</span>  <span class="comment">/* create new glyph */</span></div><div class="line"><a name="l01751"></a><span class="lineno"> 1751</span>  newgl = (FONT_GLYPH*)malloc(size);</div><div class="line"><a name="l01752"></a><span class="lineno"> 1752</span> </div><div class="line"><a name="l01753"></a><span class="lineno"> 1753</span>  <span class="keywordflow">if</span> (!newgl)</div><div class="line"><a name="l01754"></a><span class="lineno"> 1754</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l01755"></a><span class="lineno"> 1755</span> </div><div class="line"><a name="l01756"></a><span class="lineno"> 1756</span>  memset(newgl, 0, size);</div><div class="line"><a name="l01757"></a><span class="lineno"> 1757</span> </div><div class="line"><a name="l01758"></a><span class="lineno"> 1758</span>  newgl->w = oldgl->w;</div><div class="line"><a name="l01759"></a><span class="lineno"> 1759</span>  newgl->h = oldgl->h;</div><div class="line"><a name="l01760"></a><span class="lineno"> 1760</span> </div><div class="line"><a name="l01761"></a><span class="lineno"> 1761</span>  <span class="comment">/* update the data */</span></div><div class="line"><a name="l01762"></a><span class="lineno"> 1762</span>  <span class="keywordflow">for</span> (j = 0; j < oldgl->h; j++) {</div><div class="line"><a name="l01763"></a><span class="lineno"> 1763</span>  <span class="keywordflow">for</span> (k = 0; k < oldgl->w; k++) {</div><div class="line"><a name="l01764"></a><span class="lineno"> 1764</span>  <span class="keywordtype">int</span> addr = (oldgl->h - j - 1) * ((oldgl->w + 31) / 32) * 4</div><div class="line"><a name="l01765"></a><span class="lineno"> 1765</span>  + (k / 8);</div><div class="line"><a name="l01766"></a><span class="lineno"> 1766</span>  newgl->dat[addr] |= (getpixel(oldgl, k, j) == mask)</div><div class="line"><a name="l01767"></a><span class="lineno"> 1767</span>  ? 0 : (1 << (k & 7));</div><div class="line"><a name="l01768"></a><span class="lineno"> 1768</span>  }</div><div class="line"><a name="l01769"></a><span class="lineno"> 1769</span>  }</div><div class="line"><a name="l01770"></a><span class="lineno"> 1770</span> </div><div class="line"><a name="l01771"></a><span class="lineno"> 1771</span>  glyph[i] = newgl;</div><div class="line"><a name="l01772"></a><span class="lineno"> 1772</span>  }</div><div class="line"><a name="l01773"></a><span class="lineno"> 1773</span>  }</div><div class="line"><a name="l01774"></a><span class="lineno"> 1774</span>  <span class="comment">/* Create call lists */</span></div><div class="line"><a name="l01775"></a><span class="lineno"> 1775</span>  {</div><div class="line"><a name="l01776"></a><span class="lineno"> 1776</span>  GLuint list = glGenLists(max);</div><div class="line"><a name="l01777"></a><span class="lineno"> 1777</span> </div><div class="line"><a name="l01778"></a><span class="lineno"> 1778</span>  <span class="keywordflow">for</span> (i = 0; i < max; i++) {</div><div class="line"><a name="l01779"></a><span class="lineno"> 1779</span>  glNewList(list + i, GL_COMPILE);</div><div class="line"><a name="l01780"></a><span class="lineno"> 1780</span> </div><div class="line"><a name="l01781"></a><span class="lineno"> 1781</span>  glBitmap(glyph[i]->w, glyph[i]->h, 0, 0, glyph[i]->w, 0,</div><div class="line"><a name="l01782"></a><span class="lineno"> 1782</span>  glyph[i]->dat);</div><div class="line"><a name="l01783"></a><span class="lineno"> 1783</span> </div><div class="line"><a name="l01784"></a><span class="lineno"> 1784</span>  glEndList();</div><div class="line"><a name="l01785"></a><span class="lineno"> 1785</span>  }</div><div class="line"><a name="l01786"></a><span class="lineno"> 1786</span>  dest->list_base = list;</div><div class="line"><a name="l01787"></a><span class="lineno"> 1787</span>  }</div><div class="line"><a name="l01788"></a><span class="lineno"> 1788</span> </div><div class="line"><a name="l01789"></a><span class="lineno"> 1789</span>  dest->is_free_chunk = 0;</div><div class="line"><a name="l01790"></a><span class="lineno"> 1790</span>  dest->type = <a class="code" href="group__Text.html#ga7ed8fdc1b0065d2fe584b15d69108b1a">AGL_FONT_TYPE_BITMAP</a>;</div><div class="line"><a name="l01791"></a><span class="lineno"> 1791</span>  dest->start = beg;</div><div class="line"><a name="l01792"></a><span class="lineno"> 1792</span>  dest->end = end;</div><div class="line"><a name="l01793"></a><span class="lineno"> 1793</span>  dest->data = glyph;</div><div class="line"><a name="l01794"></a><span class="lineno"> 1794</span> </div><div class="line"><a name="l01795"></a><span class="lineno"> 1795</span>  <span class="keywordflow">return</span>;</div><div class="line"><a name="l01796"></a><span class="lineno"> 1796</span> }</div><div class="line"><a name="l01797"></a><span class="lineno"> 1797</span> </div><div class="line"><a name="l01798"></a><span class="lineno"> 1798</span> </div><div class="line"><a name="l01799"></a><span class="lineno"> 1799</span> </div><div class="line"><a name="l01800"></a><span class="lineno"> 1800</span> <span class="keyword">static</span> <span class="keywordtype">int</span> aglf_check_texture(BITMAP *bmp, GLint format, <span class="keywordtype">int</span> has_alpha) {</div><div class="line"><a name="l01801"></a><span class="lineno"> 1801</span> </div><div class="line"><a name="l01802"></a><span class="lineno"> 1802</span>  <span class="keywordtype">int</span> flags = <a class="code" href="group__texture.html#gadeffe4feb290278035beacedb284a010">AGL_TEXTURE_FLIP</a> | <a class="code" href="group__texture.html#gabaf179e577a9328a751e92e3603f0746">AGL_TEXTURE_MIPMAP</a>;</div><div class="line"><a name="l01803"></a><span class="lineno"> 1803</span> </div><div class="line"><a name="l01804"></a><span class="lineno"> 1804</span>  <span class="keywordflow">if</span> (format == GL_ALPHA4 || format == GL_ALPHA8 || format == GL_ALPHA</div><div class="line"><a name="l01805"></a><span class="lineno"> 1805</span>  || format == GL_INTENSITY4 || format == GL_INTENSITY8</div><div class="line"><a name="l01806"></a><span class="lineno"> 1806</span>  || format == GL_INTENSITY</div><div class="line"><a name="l01807"></a><span class="lineno"> 1807</span>  || format == GL_LUMINANCE4 || format == GL_LUMINANCE8</div><div class="line"><a name="l01808"></a><span class="lineno"> 1808</span>  || format == GL_LUMINANCE</div><div class="line"><a name="l01809"></a><span class="lineno"> 1809</span>  || format == 1) {</div><div class="line"><a name="l01810"></a><span class="lineno"> 1810</span>  flags |= <a class="code" href="group__texture.html#gad67cfdfd21ef2cae75b03cb871e57f4a">AGL_TEXTURE_ALPHA_ONLY</a>;</div><div class="line"><a name="l01811"></a><span class="lineno"> 1811</span>  }</div><div class="line"><a name="l01812"></a><span class="lineno"> 1812</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (format == GL_RGBA8) {</div><div class="line"><a name="l01813"></a><span class="lineno"> 1813</span>  <span class="keywordflow">if</span> (has_alpha) {</div><div class="line"><a name="l01814"></a><span class="lineno"> 1814</span>  flags |= <a class="code" href="group__texture.html#ga8cc859eadf1610b424cd9188e716f432">AGL_TEXTURE_HAS_ALPHA</a>;</div><div class="line"><a name="l01815"></a><span class="lineno"> 1815</span>  }</div><div class="line"><a name="l01816"></a><span class="lineno"> 1816</span>  <span class="keywordflow">else</span> {</div><div class="line"><a name="l01817"></a><span class="lineno"> 1817</span>  flags |= <a class="code" href="group__texture.html#gaba184d573c65f33b35d1d57936607d08">AGL_TEXTURE_MASKED</a>;</div><div class="line"><a name="l01818"></a><span class="lineno"> 1818</span>  }</div><div class="line"><a name="l01819"></a><span class="lineno"> 1819</span>  }</div><div class="line"><a name="l01820"></a><span class="lineno"> 1820</span> </div><div class="line"><a name="l01821"></a><span class="lineno"> 1821</span>  <span class="keywordflow">return</span> <a class="code" href="group__texture.html#gab0cf4dc0ddcb45f5b067d08aed1c88e6">allegro_gl_check_texture_ex</a>(flags, bmp, format);</div><div class="line"><a name="l01822"></a><span class="lineno"> 1822</span> }</div><div class="line"><a name="l01823"></a><span class="lineno"> 1823</span> </div><div class="line"><a name="l01824"></a><span class="lineno"> 1824</span> </div><div class="line"><a name="l01825"></a><span class="lineno"> 1825</span> </div><div class="line"><a name="l01826"></a><span class="lineno"> 1826</span> <span class="keyword">static</span> GLuint aglf_upload_texture(BITMAP *bmp, GLint format, <span class="keywordtype">int</span> has_alpha) {</div><div class="line"><a name="l01827"></a><span class="lineno"> 1827</span> </div><div class="line"><a name="l01828"></a><span class="lineno"> 1828</span>  <span class="keywordtype">int</span> flags = <a class="code" href="group__texture.html#gadeffe4feb290278035beacedb284a010">AGL_TEXTURE_FLIP</a> | <a class="code" href="group__texture.html#gabaf179e577a9328a751e92e3603f0746">AGL_TEXTURE_MIPMAP</a>;</div><div class="line"><a name="l01829"></a><span class="lineno"> 1829</span>  GLuint texture;</div><div class="line"><a name="l01830"></a><span class="lineno"> 1830</span> </div><div class="line"><a name="l01831"></a><span class="lineno"> 1831</span>  <span class="keywordflow">if</span> (format == GL_ALPHA4 || format == GL_ALPHA8 || format == GL_ALPHA</div><div class="line"><a name="l01832"></a><span class="lineno"> 1832</span>  || format == GL_INTENSITY4 || format == GL_INTENSITY8</div><div class="line"><a name="l01833"></a><span class="lineno"> 1833</span>  || format == GL_INTENSITY</div><div class="line"><a name="l01834"></a><span class="lineno"> 1834</span>  || format == GL_LUMINANCE4 || format == GL_LUMINANCE8</div><div class="line"><a name="l01835"></a><span class="lineno"> 1835</span>  || format == GL_LUMINANCE</div><div class="line"><a name="l01836"></a><span class="lineno"> 1836</span>  || format == 1) {</div><div class="line"><a name="l01837"></a><span class="lineno"> 1837</span>  flags |= <a class="code" href="group__texture.html#gad67cfdfd21ef2cae75b03cb871e57f4a">AGL_TEXTURE_ALPHA_ONLY</a>;</div><div class="line"><a name="l01838"></a><span class="lineno"> 1838</span>  }</div><div class="line"><a name="l01839"></a><span class="lineno"> 1839</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (__allegro_gl_get_num_channels(format) == 4) {</div><div class="line"><a name="l01840"></a><span class="lineno"> 1840</span>  <span class="keywordflow">if</span> (has_alpha) {</div><div class="line"><a name="l01841"></a><span class="lineno"> 1841</span>  flags |= <a class="code" href="group__texture.html#ga8cc859eadf1610b424cd9188e716f432">AGL_TEXTURE_HAS_ALPHA</a>;</div><div class="line"><a name="l01842"></a><span class="lineno"> 1842</span>  }</div><div class="line"><a name="l01843"></a><span class="lineno"> 1843</span>  <span class="keywordflow">else</span> {</div><div class="line"><a name="l01844"></a><span class="lineno"> 1844</span>  flags |= <a class="code" href="group__texture.html#gaba184d573c65f33b35d1d57936607d08">AGL_TEXTURE_MASKED</a>;</div><div class="line"><a name="l01845"></a><span class="lineno"> 1845</span>  }</div><div class="line"><a name="l01846"></a><span class="lineno"> 1846</span>  }</div><div class="line"><a name="l01847"></a><span class="lineno"> 1847</span> </div><div class="line"><a name="l01848"></a><span class="lineno"> 1848</span>  TRACE(PREFIX_I <span class="stringliteral">"Want texture format: %s\n"</span>,</div><div class="line"><a name="l01849"></a><span class="lineno"> 1849</span>  __allegro_gl_get_format_description(format));</div><div class="line"><a name="l01850"></a><span class="lineno"> 1850</span>  texture = <a class="code" href="group__texture.html#gaf3a48c555068e7051171255c1011150a">allegro_gl_make_texture_ex</a>(flags, bmp, format);</div><div class="line"><a name="l01851"></a><span class="lineno"> 1851</span>  TRACE(PREFIX_I <span class="stringliteral">"Texture ID is: %u\n"</span>, texture);</div><div class="line"><a name="l01852"></a><span class="lineno"> 1852</span> </div><div class="line"><a name="l01853"></a><span class="lineno"> 1853</span>  <span class="keywordflow">return</span> texture;</div><div class="line"><a name="l01854"></a><span class="lineno"> 1854</span> }</div><div class="line"><a name="l01855"></a><span class="lineno"> 1855</span> </div><div class="ttc" id="group__texture_html_gaba184d573c65f33b35d1d57936607d08"><div class="ttname"><a href="group__texture.html#gaba184d573c65f33b35d1d57936607d08">AGL_TEXTURE_MASKED</a></div><div class="ttdeci">#define AGL_TEXTURE_MASKED</div><div class="ttdoc">Generate an alpha channel for this texture, based on the Allegro mask color. </div><div class="ttdef"><b>Definition:</b> <a href="alleggl_8h_source.html#l00537">alleggl.h:537</a></div></div>
<div class="ttc" id="group__Text_html_gabcbdd9810f7254cdb105f987ae1e557f"><div class="ttname"><a href="group__Text.html#gabcbdd9810f7254cdb105f987ae1e557f">allegro_gl_destroy_font</a></div><div class="ttdeci">void allegro_gl_destroy_font(FONT *f)</div><div class="ttdoc">void allegro_gl_destroy_font(FONT *usefont) </div><div class="ttdef"><b>Definition:</b> <a href="aglf_8c_source.html#l00573">aglf.c:573</a></div></div>
<div class="ttc" id="group__texture_html_gaf3a48c555068e7051171255c1011150a"><div class="ttname"><a href="group__texture.html#gaf3a48c555068e7051171255c1011150a">allegro_gl_make_texture_ex</a></div><div class="ttdeci">GLuint allegro_gl_make_texture_ex(int flags, BITMAP *bmp, GLint internal_format)</div><div class="ttdoc">Uploads an Allegro BITMAP to the GL driver as a texture. </div><div class="ttdef"><b>Definition:</b> <a href="texture_8c_source.html#l01165">texture.c:1165</a></div></div>
<div class="ttc" id="group__Text_html_ga4986ec80f1a3362e47f7669461fef414"><div class="ttname"><a href="group__Text.html#ga4986ec80f1a3362e47f7669461fef414">allegro_gl_convert_allegro_font_ex</a></div><div class="ttdeci">FONT * allegro_gl_convert_allegro_font_ex(FONT *f, int type, float scale, GLint format)</div><div class="ttdoc">Converts a regular Allegro FONT to the AGL format for 3D display. </div><div class="ttdef"><b>Definition:</b> <a href="fontconv_8c_source.html#l00688">fontconv.c:688</a></div></div>
<div class="ttc" id="group__Text_html_ga92bf039bc7b06568273ee17f15cf6671"><div class="ttname"><a href="group__Text.html#ga92bf039bc7b06568273ee17f15cf6671">AGL_FONT_TYPE_TEXTURED</a></div><div class="ttdeci">#define AGL_FONT_TYPE_TEXTURED</div><div class="ttdoc">Indicates that you want fonts to be converted to a texture format. </div><div class="ttdef"><b>Definition:</b> <a href="alleggl_8h_source.html#l00656">alleggl.h:656</a></div></div>
<div class="ttc" id="group__Text_html_gad01388c5188ae09628284aa2425acae9"><div class="ttname"><a href="group__Text.html#gad01388c5188ae09628284aa2425acae9">allegro_gl_convert_allegro_font</a></div><div class="ttdeci">FONT * allegro_gl_convert_allegro_font(FONT *f, int type, float scale)</div><div class="ttdoc">Equivalent to: </div><div class="ttdef"><b>Definition:</b> <a href="fontconv_8c_source.html#l00623">fontconv.c:623</a></div></div>
<div class="ttc" id="group__texture_html_ga2392fe7a8dd6db65532160821804aa68"><div class="ttname"><a href="group__texture.html#ga2392fe7a8dd6db65532160821804aa68">allegro_gl_get_texture_format</a></div><div class="ttdeci">GLint allegro_gl_get_texture_format(BITMAP *bmp)</div><div class="ttdoc">Returns the OpenGL internal texture format for this bitmap. </div><div class="ttdef"><b>Definition:</b> <a href="texture_8c_source.html#l00248">texture.c:248</a></div></div>
<div class="ttc" id="group__texture_html_gad67cfdfd21ef2cae75b03cb871e57f4a"><div class="ttname"><a href="group__texture.html#gad67cfdfd21ef2cae75b03cb871e57f4a">AGL_TEXTURE_ALPHA_ONLY</a></div><div class="ttdeci">#define AGL_TEXTURE_ALPHA_ONLY</div><div class="ttdoc">Tell AllegroGL that the specified BITMAP is an 8-bpp alpha-only BITMAP. </div><div class="ttdef"><b>Definition:</b> <a href="alleggl_8h_source.html#l00548">alleggl.h:548</a></div></div>
<div class="ttc" id="group__Text_html_ga7ed8fdc1b0065d2fe584b15d69108b1a"><div class="ttname"><a href="group__Text.html#ga7ed8fdc1b0065d2fe584b15d69108b1a">AGL_FONT_TYPE_BITMAP</a></div><div class="ttdeci">#define AGL_FONT_TYPE_BITMAP</div><div class="ttdoc">Indicates that you want fonts to be converted to a bitmap format. </div><div class="ttdef"><b>Definition:</b> <a href="alleggl_8h_source.html#l00632">alleggl.h:632</a></div></div>
<div class="ttc" id="group__Text_html_gaba7b8c941356029687ff4b4340e8b841"><div class="ttname"><a href="group__Text.html#gaba7b8c941356029687ff4b4340e8b841">AGL_FONT_TYPE_OUTLINE</a></div><div class="ttdeci">#define AGL_FONT_TYPE_OUTLINE</div><div class="ttdoc">Indicates that you want fonts to be converted to an outline format. </div><div class="ttdef"><b>Definition:</b> <a href="alleggl_8h_source.html#l00644">alleggl.h:644</a></div></div>
<div class="ttc" id="group__texture_html_gabaf179e577a9328a751e92e3603f0746"><div class="ttname"><a href="group__texture.html#gabaf179e577a9328a751e92e3603f0746">AGL_TEXTURE_MIPMAP</a></div><div class="ttdeci">#define AGL_TEXTURE_MIPMAP</div><div class="ttdoc">AllegroGL will generate mipmaps for this texture. </div><div class="ttdef"><b>Definition:</b> <a href="alleggl_8h_source.html#l00521">alleggl.h:521</a></div></div>
<div class="ttc" id="alleggl_8h_html"><div class="ttname"><a href="alleggl_8h.html">alleggl.h</a></div><div class="ttdoc">Main header file for AllegroGL. </div></div>
<div class="ttc" id="group__texture_html_gab0cf4dc0ddcb45f5b067d08aed1c88e6"><div class="ttname"><a href="group__texture.html#gab0cf4dc0ddcb45f5b067d08aed1c88e6">allegro_gl_check_texture_ex</a></div><div class="ttdeci">int allegro_gl_check_texture_ex(int flags, BITMAP *bmp, GLint internal_format)</div><div class="ttdoc">Checks whether the specified bitmap is of the proper size for texturing. </div><div class="ttdef"><b>Definition:</b> <a href="texture_8c_source.html#l00495">texture.c:495</a></div></div>
<div class="ttc" id="group__texture_html_gadeffe4feb290278035beacedb284a010"><div class="ttname"><a href="group__texture.html#gadeffe4feb290278035beacedb284a010">AGL_TEXTURE_FLIP</a></div><div class="ttdeci">#define AGL_TEXTURE_FLIP</div><div class="ttdoc">Flip the texture on the x-axis. </div><div class="ttdef"><b>Definition:</b> <a href="alleggl_8h_source.html#l00532">alleggl.h:532</a></div></div>
<div class="ttc" id="group__Text_html_gad2ebae17d2548a5befb888f8618f2206"><div class="ttname"><a href="group__Text.html#gad2ebae17d2548a5befb888f8618f2206">AGL_FONT_TYPE_DONT_CARE</a></div><div class="ttdeci">#define AGL_FONT_TYPE_DONT_CARE</div><div class="ttdoc">Indicates that you don&#39;t really care how a font will be converted. </div><div class="ttdef"><b>Definition:</b> <a href="alleggl_8h_source.html#l00621">alleggl.h:621</a></div></div>
<div class="ttc" id="group__texture_html_ga8cc859eadf1610b424cd9188e716f432"><div class="ttname"><a href="group__texture.html#ga8cc859eadf1610b424cd9188e716f432">AGL_TEXTURE_HAS_ALPHA</a></div><div class="ttdeci">#define AGL_TEXTURE_HAS_ALPHA</div><div class="ttdoc">Tell AllegroGL that the bitmap had an alpha channel, so it should be preserved when generating the te...</div><div class="ttdef"><b>Definition:</b> <a href="alleggl_8h_source.html#l00526">alleggl.h:526</a></div></div>
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