1 /***************************************************************************/ |
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2 /* */ |
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3 /* svpscmap.h */ |
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4 /* */ |
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5 /* The FreeType PostScript charmap service (specification). */ |
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6 /* */ |
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7 /* Copyright 2003, 2006 by */ |
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8 /* David Turner, Robert Wilhelm, and Werner Lemberg. */ |
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9 /* */ |
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10 /* This file is part of the FreeType project, and may only be used, */ |
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11 /* modified, and distributed under the terms of the FreeType project */ |
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12 /* license, LICENSE.TXT. By continuing to use, modify, or distribute */ |
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13 /* this file you indicate that you have read the license and */ |
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14 /* understand and accept it fully. */ |
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15 /* */ |
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16 /***************************************************************************/ |
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17 |
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18 |
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19 #ifndef __SVPSCMAP_H__ |
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20 #define __SVPSCMAP_H__ |
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21 |
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22 #include FT_INTERNAL_OBJECTS_H |
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23 |
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24 |
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25 FT_BEGIN_HEADER |
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26 |
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27 |
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28 #define FT_SERVICE_ID_POSTSCRIPT_CMAPS "postscript-cmaps" |
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29 |
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30 |
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31 /* |
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32 * Adobe glyph name to unicode value. |
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33 */ |
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34 typedef FT_UInt32 |
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35 (*PS_Unicode_ValueFunc)( const char* glyph_name ); |
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36 |
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37 /* |
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38 * Macintosh name id to glyph name. NULL if invalid index. |
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39 */ |
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40 typedef const char* |
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41 (*PS_Macintosh_NameFunc)( FT_UInt name_index ); |
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42 |
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43 /* |
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44 * Adobe standard string ID to glyph name. NULL if invalid index. |
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45 */ |
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46 typedef const char* |
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47 (*PS_Adobe_Std_StringsFunc)( FT_UInt string_index ); |
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48 |
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49 |
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50 /* |
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51 * Simple unicode -> glyph index charmap built from font glyph names |
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52 * table. |
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53 */ |
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54 typedef struct PS_UniMap_ |
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55 { |
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56 FT_UInt32 unicode; /* bit 31 set: is glyph variant */ |
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57 FT_UInt glyph_index; |
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58 |
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59 } PS_UniMap; |
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60 |
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61 |
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62 typedef struct PS_UnicodesRec_* PS_Unicodes; |
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63 |
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64 typedef struct PS_UnicodesRec_ |
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65 { |
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66 FT_CMapRec cmap; |
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67 FT_UInt num_maps; |
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68 PS_UniMap* maps; |
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69 |
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70 } PS_UnicodesRec; |
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71 |
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72 |
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73 /* |
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74 * A function which returns a glyph name for a given index. Returns |
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75 * NULL if invalid index. |
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76 */ |
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77 typedef const char* |
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78 (*PS_GetGlyphNameFunc)( FT_Pointer data, |
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79 FT_UInt string_index ); |
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80 |
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81 /* |
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82 * A function used to release the glyph name returned by |
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83 * PS_GetGlyphNameFunc, when needed |
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84 */ |
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85 typedef void |
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86 (*PS_FreeGlyphNameFunc)( FT_Pointer data, |
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87 const char* name ); |
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88 |
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89 typedef FT_Error |
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90 (*PS_Unicodes_InitFunc)( FT_Memory memory, |
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91 PS_Unicodes unicodes, |
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92 FT_UInt num_glyphs, |
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93 PS_GetGlyphNameFunc get_glyph_name, |
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94 PS_FreeGlyphNameFunc free_glyph_name, |
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95 FT_Pointer glyph_data ); |
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96 |
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97 typedef FT_UInt |
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98 (*PS_Unicodes_CharIndexFunc)( PS_Unicodes unicodes, |
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99 FT_UInt32 unicode ); |
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100 |
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101 typedef FT_UInt32 |
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102 (*PS_Unicodes_CharNextFunc)( PS_Unicodes unicodes, |
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103 FT_UInt32 *unicode ); |
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104 |
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105 |
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106 FT_DEFINE_SERVICE( PsCMaps ) |
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107 { |
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108 PS_Unicode_ValueFunc unicode_value; |
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109 |
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110 PS_Unicodes_InitFunc unicodes_init; |
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111 PS_Unicodes_CharIndexFunc unicodes_char_index; |
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112 PS_Unicodes_CharNextFunc unicodes_char_next; |
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113 |
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114 PS_Macintosh_NameFunc macintosh_name; |
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115 PS_Adobe_Std_StringsFunc adobe_std_strings; |
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116 const unsigned short* adobe_std_encoding; |
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117 const unsigned short* adobe_expert_encoding; |
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118 }; |
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119 |
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120 |
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121 #ifndef FT_CONFIG_OPTION_PIC |
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122 |
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123 #define FT_DEFINE_SERVICE_PSCMAPSREC(class_, unicode_value_, unicodes_init_, \ |
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124 unicodes_char_index_, unicodes_char_next_, macintosh_name_, \ |
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125 adobe_std_strings_, adobe_std_encoding_, adobe_expert_encoding_) \ |
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126 static const FT_Service_PsCMapsRec class_ = \ |
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127 { \ |
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128 unicode_value_, unicodes_init_, \ |
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129 unicodes_char_index_, unicodes_char_next_, macintosh_name_, \ |
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130 adobe_std_strings_, adobe_std_encoding_, adobe_expert_encoding_ \ |
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131 }; |
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132 |
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133 #else /* FT_CONFIG_OPTION_PIC */ |
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134 |
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135 #define FT_DEFINE_SERVICE_PSCMAPSREC(class_, unicode_value_, unicodes_init_, \ |
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136 unicodes_char_index_, unicodes_char_next_, macintosh_name_, \ |
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137 adobe_std_strings_, adobe_std_encoding_, adobe_expert_encoding_) \ |
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138 void \ |
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139 FT_Init_Class_##class_( FT_Library library, \ |
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140 FT_Service_PsCMapsRec* clazz) \ |
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141 { \ |
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142 FT_UNUSED(library); \ |
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143 clazz->unicode_value = unicode_value_; \ |
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144 clazz->unicodes_init = unicodes_init_; \ |
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145 clazz->unicodes_char_index = unicodes_char_index_; \ |
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146 clazz->unicodes_char_next = unicodes_char_next_; \ |
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147 clazz->macintosh_name = macintosh_name_; \ |
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148 clazz->adobe_std_strings = adobe_std_strings_; \ |
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149 clazz->adobe_std_encoding = adobe_std_encoding_; \ |
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150 clazz->adobe_expert_encoding = adobe_expert_encoding_; \ |
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151 } |
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152 |
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153 #endif /* FT_CONFIG_OPTION_PIC */ |
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154 |
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155 /* */ |
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156 |
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157 |
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158 FT_END_HEADER |
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159 |
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160 |
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161 #endif /* __SVPSCMAP_H__ */ |
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162 |
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163 |
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164 /* END */ |
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