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3918 | Serge | 1 | /* pcf.h |
2 | |||
3 | FreeType font driver for pcf fonts |
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4 | |||
5 | Copyright (C) 2000, 2001, 2002, 2003, 2006, 2010 by |
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6 | Francesco Zappa Nardelli |
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7 | |||
8 | Permission is hereby granted, free of charge, to any person obtaining a copy |
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9 | of this software and associated documentation files (the "Software"), to deal |
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10 | in the Software without restriction, including without limitation the rights |
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11 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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12 | copies of the Software, and to permit persons to whom the Software is |
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13 | furnished to do so, subject to the following conditions: |
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14 | |||
15 | The above copyright notice and this permission notice shall be included in |
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16 | all copies or substantial portions of the Software. |
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17 | |||
18 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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19 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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20 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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21 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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22 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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23 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
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24 | THE SOFTWARE. |
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25 | */ |
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26 | |||
27 | |||
28 | #ifndef __PCF_H__ |
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29 | #define __PCF_H__ |
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30 | |||
31 | |||
32 | #include |
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33 | #include FT_INTERNAL_DRIVER_H |
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34 | #include FT_INTERNAL_STREAM_H |
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35 | |||
36 | |||
37 | FT_BEGIN_HEADER |
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38 | |||
39 | typedef struct PCF_TableRec_ |
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40 | { |
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41 | FT_ULong type; |
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42 | FT_ULong format; |
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43 | FT_ULong size; |
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44 | FT_ULong offset; |
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45 | |||
46 | } PCF_TableRec, *PCF_Table; |
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47 | |||
48 | |||
49 | typedef struct PCF_TocRec_ |
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50 | { |
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51 | FT_ULong version; |
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52 | FT_ULong count; |
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53 | PCF_Table tables; |
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54 | |||
55 | } PCF_TocRec, *PCF_Toc; |
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56 | |||
57 | |||
58 | typedef struct PCF_ParsePropertyRec_ |
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59 | { |
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60 | FT_Long name; |
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61 | FT_Byte isString; |
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62 | FT_Long value; |
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63 | |||
64 | } PCF_ParsePropertyRec, *PCF_ParseProperty; |
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65 | |||
66 | |||
67 | typedef struct PCF_PropertyRec_ |
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68 | { |
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69 | FT_String* name; |
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70 | FT_Byte isString; |
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71 | |||
72 | union |
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73 | { |
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74 | FT_String* atom; |
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75 | FT_Long l; |
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76 | FT_ULong ul; |
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77 | |||
78 | } value; |
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79 | |||
80 | } PCF_PropertyRec, *PCF_Property; |
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81 | |||
82 | |||
83 | typedef struct PCF_Compressed_MetricRec_ |
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84 | { |
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85 | FT_Byte leftSideBearing; |
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86 | FT_Byte rightSideBearing; |
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87 | FT_Byte characterWidth; |
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88 | FT_Byte ascent; |
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89 | FT_Byte descent; |
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90 | |||
91 | } PCF_Compressed_MetricRec, *PCF_Compressed_Metric; |
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92 | |||
93 | |||
94 | typedef struct PCF_MetricRec_ |
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95 | { |
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96 | FT_Short leftSideBearing; |
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97 | FT_Short rightSideBearing; |
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98 | FT_Short characterWidth; |
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99 | FT_Short ascent; |
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100 | FT_Short descent; |
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101 | FT_Short attributes; |
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102 | FT_ULong bits; |
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103 | |||
104 | } PCF_MetricRec, *PCF_Metric; |
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105 | |||
106 | |||
107 | typedef struct PCF_AccelRec_ |
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108 | { |
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109 | FT_Byte noOverlap; |
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110 | FT_Byte constantMetrics; |
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111 | FT_Byte terminalFont; |
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112 | FT_Byte constantWidth; |
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113 | FT_Byte inkInside; |
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114 | FT_Byte inkMetrics; |
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115 | FT_Byte drawDirection; |
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116 | FT_Long fontAscent; |
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117 | FT_Long fontDescent; |
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118 | FT_Long maxOverlap; |
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119 | PCF_MetricRec minbounds; |
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120 | PCF_MetricRec maxbounds; |
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121 | PCF_MetricRec ink_minbounds; |
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122 | PCF_MetricRec ink_maxbounds; |
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123 | |||
124 | } PCF_AccelRec, *PCF_Accel; |
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125 | |||
126 | |||
127 | typedef struct PCF_EncodingRec_ |
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128 | { |
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129 | FT_Long enc; |
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130 | FT_UShort glyph; |
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131 | |||
132 | } PCF_EncodingRec, *PCF_Encoding; |
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133 | |||
134 | |||
135 | typedef struct PCF_FaceRec_ |
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136 | { |
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137 | FT_FaceRec root; |
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138 | |||
139 | FT_StreamRec comp_stream; |
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140 | FT_Stream comp_source; |
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141 | |||
142 | char* charset_encoding; |
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143 | char* charset_registry; |
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144 | |||
145 | PCF_TocRec toc; |
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146 | PCF_AccelRec accel; |
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147 | |||
148 | int nprops; |
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149 | PCF_Property properties; |
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150 | |||
151 | FT_Long nmetrics; |
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152 | PCF_Metric metrics; |
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153 | FT_Long nencodings; |
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154 | PCF_Encoding encodings; |
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155 | |||
156 | FT_Short defaultChar; |
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157 | |||
158 | FT_ULong bitmapsFormat; |
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159 | |||
160 | FT_CharMap charmap_handle; |
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161 | FT_CharMapRec charmap; /* a single charmap per face */ |
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162 | |||
163 | } PCF_FaceRec, *PCF_Face; |
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164 | |||
165 | |||
166 | /* macros for pcf font format */ |
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167 | |||
168 | #define LSBFirst 0 |
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169 | #define MSBFirst 1 |
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170 | |||
171 | #define PCF_FILE_VERSION ( ( 'p' << 24 ) | \ |
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172 | ( 'c' << 16 ) | \ |
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173 | ( 'f' << 8 ) | 1 ) |
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174 | #define PCF_FORMAT_MASK 0xFFFFFF00UL |
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175 | |||
176 | #define PCF_DEFAULT_FORMAT 0x00000000UL |
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177 | #define PCF_INKBOUNDS 0x00000200UL |
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178 | #define PCF_ACCEL_W_INKBOUNDS 0x00000100UL |
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179 | #define PCF_COMPRESSED_METRICS 0x00000100UL |
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180 | |||
181 | #define PCF_FORMAT_MATCH( a, b ) \ |
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182 | ( ( (a) & PCF_FORMAT_MASK ) == ( (b) & PCF_FORMAT_MASK ) ) |
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183 | |||
184 | #define PCF_GLYPH_PAD_MASK ( 3 << 0 ) |
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185 | #define PCF_BYTE_MASK ( 1 << 2 ) |
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186 | #define PCF_BIT_MASK ( 1 << 3 ) |
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187 | #define PCF_SCAN_UNIT_MASK ( 3 << 4 ) |
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188 | |||
189 | #define PCF_BYTE_ORDER( f ) \ |
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190 | ( ( (f) & PCF_BYTE_MASK ) ? MSBFirst : LSBFirst ) |
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191 | #define PCF_BIT_ORDER( f ) \ |
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192 | ( ( (f) & PCF_BIT_MASK ) ? MSBFirst : LSBFirst ) |
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193 | #define PCF_GLYPH_PAD_INDEX( f ) \ |
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194 | ( (f) & PCF_GLYPH_PAD_MASK ) |
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195 | #define PCF_GLYPH_PAD( f ) \ |
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196 | ( 1 << PCF_GLYPH_PAD_INDEX( f ) ) |
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197 | #define PCF_SCAN_UNIT_INDEX( f ) \ |
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198 | ( ( (f) & PCF_SCAN_UNIT_MASK ) >> 4 ) |
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199 | #define PCF_SCAN_UNIT( f ) \ |
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200 | ( 1 << PCF_SCAN_UNIT_INDEX( f ) ) |
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201 | #define PCF_FORMAT_BITS( f ) \ |
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202 | ( (f) & ( PCF_GLYPH_PAD_MASK | \ |
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203 | PCF_BYTE_MASK | \ |
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204 | PCF_BIT_MASK | \ |
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205 | PCF_SCAN_UNIT_MASK ) ) |
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206 | |||
207 | #define PCF_SIZE_TO_INDEX( s ) ( (s) == 4 ? 2 : (s) == 2 ? 1 : 0 ) |
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208 | #define PCF_INDEX_TO_SIZE( b ) ( 1 << b ) |
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209 | |||
210 | #define PCF_FORMAT( bit, byte, glyph, scan ) \ |
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211 | ( ( PCF_SIZE_TO_INDEX( scan ) << 4 ) | \ |
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212 | ( ( (bit) == MSBFirst ? 1 : 0 ) << 3 ) | \ |
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213 | ( ( (byte) == MSBFirst ? 1 : 0 ) << 2 ) | \ |
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214 | ( PCF_SIZE_TO_INDEX( glyph ) << 0 ) ) |
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215 | |||
216 | #define PCF_PROPERTIES ( 1 << 0 ) |
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217 | #define PCF_ACCELERATORS ( 1 << 1 ) |
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218 | #define PCF_METRICS ( 1 << 2 ) |
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219 | #define PCF_BITMAPS ( 1 << 3 ) |
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220 | #define PCF_INK_METRICS ( 1 << 4 ) |
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221 | #define PCF_BDF_ENCODINGS ( 1 << 5 ) |
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222 | #define PCF_SWIDTHS ( 1 << 6 ) |
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223 | #define PCF_GLYPH_NAMES ( 1 << 7 ) |
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224 | #define PCF_BDF_ACCELERATORS ( 1 << 8 ) |
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225 | |||
226 | #define GLYPHPADOPTIONS 4 /* I'm not sure about this */ |
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227 | |||
228 | FT_LOCAL( FT_Error ) |
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229 | pcf_load_font( FT_Stream, |
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230 | PCF_Face ); |
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231 | |||
232 | FT_END_HEADER |
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233 | |||
234 | #endif /* __PCF_H__ */ |
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235 | |||
236 | |||
237 | /* END */><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><> |