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1 /***************************************************************************/ |
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2 /* */ |
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3 /* t1types.h */ |
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4 /* */ |
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5 /* Basic Type1/Type2 type definitions and interface (specification */ |
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6 /* only). */ |
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7 /* */ |
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8 /* Copyright 1996-2001, 2002, 2003, 2004, 2006 by */ |
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9 /* David Turner, Robert Wilhelm, and Werner Lemberg. */ |
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10 /* */ |
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11 /* This file is part of the FreeType project, and may only be used, */ |
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12 /* modified, and distributed under the terms of the FreeType project */ |
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13 /* license, FTL.TXT. By continuing to use, modify, or distribute */ |
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14 /* this file you indicate that you have read the license and */ |
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15 /* understand and accept it fully. */ |
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16 /* */ |
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17 /***************************************************************************/ |
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18 |
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19 |
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20 #ifndef __T1TYPES_H__ |
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21 #define __T1TYPES_H__ |
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22 |
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23 |
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24 #include <ft2build.h> |
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25 #include FT_TYPE1_TABLES_H |
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26 #include FT_INTERNAL_POSTSCRIPT_HINTS_H |
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27 #include FT_INTERNAL_SERVICE_H |
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28 #include FT_SERVICE_POSTSCRIPT_CMAPS_H |
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29 |
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30 |
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31 FT_BEGIN_HEADER |
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32 |
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33 |
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34 /*************************************************************************/ |
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35 /*************************************************************************/ |
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36 /*************************************************************************/ |
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37 /*** ***/ |
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38 /*** ***/ |
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39 /*** REQUIRED TYPE1/TYPE2 TABLES DEFINITIONS ***/ |
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40 /*** ***/ |
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41 /*** ***/ |
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42 /*************************************************************************/ |
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43 /*************************************************************************/ |
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44 /*************************************************************************/ |
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45 |
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46 |
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47 /*************************************************************************/ |
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48 /* */ |
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49 /* <Struct> */ |
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50 /* T1_EncodingRec */ |
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51 /* */ |
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52 /* <Description> */ |
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53 /* A structure modeling a custom encoding. */ |
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54 /* */ |
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55 /* <Fields> */ |
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56 /* num_chars :: The number of character codes in the encoding. */ |
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57 /* Usually 256. */ |
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58 /* */ |
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59 /* code_first :: The lowest valid character code in the encoding. */ |
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60 /* */ |
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61 /* code_last :: The highest valid character code in the encoding. */ |
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62 /* */ |
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63 /* char_index :: An array of corresponding glyph indices. */ |
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64 /* */ |
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65 /* char_name :: An array of corresponding glyph names. */ |
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66 /* */ |
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67 typedef struct T1_EncodingRecRec_ |
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68 { |
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69 FT_Int num_chars; |
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70 FT_Int code_first; |
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71 FT_Int code_last; |
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72 |
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73 FT_UShort* char_index; |
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74 FT_String** char_name; |
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75 |
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76 } T1_EncodingRec, *T1_Encoding; |
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77 |
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78 |
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79 typedef enum T1_EncodingType_ |
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80 { |
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81 T1_ENCODING_TYPE_NONE = 0, |
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82 T1_ENCODING_TYPE_ARRAY, |
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83 T1_ENCODING_TYPE_STANDARD, |
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84 T1_ENCODING_TYPE_ISOLATIN1, |
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85 T1_ENCODING_TYPE_EXPERT |
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86 |
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87 } T1_EncodingType; |
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88 |
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89 |
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90 typedef struct T1_FontRec_ |
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91 { |
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92 PS_FontInfoRec font_info; /* font info dictionary */ |
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93 PS_PrivateRec private_dict; /* private dictionary */ |
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94 FT_String* font_name; /* top-level dictionary */ |
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95 |
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96 T1_EncodingType encoding_type; |
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97 T1_EncodingRec encoding; |
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98 |
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99 FT_Byte* subrs_block; |
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100 FT_Byte* charstrings_block; |
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101 FT_Byte* glyph_names_block; |
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102 |
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103 FT_Int num_subrs; |
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104 FT_Byte** subrs; |
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105 FT_PtrDist* subrs_len; |
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106 |
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107 FT_Int num_glyphs; |
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108 FT_String** glyph_names; /* array of glyph names */ |
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109 FT_Byte** charstrings; /* array of glyph charstrings */ |
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110 FT_PtrDist* charstrings_len; |
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111 |
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112 FT_Byte paint_type; |
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113 FT_Byte font_type; |
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114 FT_Matrix font_matrix; |
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115 FT_Vector font_offset; |
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116 FT_BBox font_bbox; |
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117 FT_Long font_id; |
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118 |
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119 FT_Fixed stroke_width; |
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120 |
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121 } T1_FontRec, *T1_Font; |
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122 |
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123 |
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124 typedef struct CID_SubrsRec_ |
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125 { |
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126 FT_UInt num_subrs; |
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127 FT_Byte** code; |
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128 |
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129 } CID_SubrsRec, *CID_Subrs; |
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130 |
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131 |
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132 /*************************************************************************/ |
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133 /*************************************************************************/ |
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134 /*************************************************************************/ |
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135 /*** ***/ |
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136 /*** ***/ |
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137 /*** AFM FONT INFORMATION STRUCTURES ***/ |
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138 /*** ***/ |
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139 /*** ***/ |
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140 /*************************************************************************/ |
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141 /*************************************************************************/ |
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142 /*************************************************************************/ |
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143 |
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144 typedef struct AFM_TrackKernRec_ |
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145 { |
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146 FT_Int degree; |
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147 FT_Fixed min_ptsize; |
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148 FT_Fixed min_kern; |
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149 FT_Fixed max_ptsize; |
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150 FT_Fixed max_kern; |
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151 |
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152 } AFM_TrackKernRec, *AFM_TrackKern; |
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153 |
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154 typedef struct AFM_KernPairRec_ |
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155 { |
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156 FT_Int index1; |
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157 FT_Int index2; |
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158 FT_Int x; |
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159 FT_Int y; |
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160 |
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161 } AFM_KernPairRec, *AFM_KernPair; |
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162 |
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163 typedef struct AFM_FontInfoRec_ |
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164 { |
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165 FT_Bool IsCIDFont; |
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166 FT_BBox FontBBox; |
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167 FT_Fixed Ascender; |
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168 FT_Fixed Descender; |
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169 AFM_TrackKern TrackKerns; /* free if non-NULL */ |
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170 FT_Int NumTrackKern; |
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171 AFM_KernPair KernPairs; /* free if non-NULL */ |
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172 FT_Int NumKernPair; |
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173 |
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174 } AFM_FontInfoRec, *AFM_FontInfo; |
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175 |
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176 |
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177 /*************************************************************************/ |
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178 /*************************************************************************/ |
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179 /*************************************************************************/ |
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180 /*** ***/ |
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181 /*** ***/ |
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182 /*** ORIGINAL T1_FACE CLASS DEFINITION ***/ |
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183 /*** ***/ |
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184 /*** ***/ |
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185 /*************************************************************************/ |
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186 /*************************************************************************/ |
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187 /*************************************************************************/ |
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188 |
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189 |
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190 typedef struct T1_FaceRec_* T1_Face; |
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191 typedef struct CID_FaceRec_* CID_Face; |
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192 |
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193 |
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194 typedef struct T1_FaceRec_ |
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195 { |
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196 FT_FaceRec root; |
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197 T1_FontRec type1; |
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198 const void* psnames; |
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199 const void* psaux; |
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200 const void* afm_data; |
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201 FT_CharMapRec charmaprecs[2]; |
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202 FT_CharMap charmaps[2]; |
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203 |
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204 #ifdef FT_CONFIG_OPTION_OLD_INTERNALS |
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205 PS_Unicodes unicode_map; |
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206 #endif |
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207 |
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208 /* support for Multiple Masters fonts */ |
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209 PS_Blend blend; |
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210 |
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211 /* since version 2.1 - interface to PostScript hinter */ |
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212 const void* pshinter; |
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213 |
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214 } T1_FaceRec; |
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215 |
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216 |
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217 typedef struct CID_FaceRec_ |
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218 { |
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219 FT_FaceRec root; |
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220 void* psnames; |
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221 void* psaux; |
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222 CID_FaceInfoRec cid; |
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223 void* afm_data; |
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224 CID_Subrs subrs; |
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225 |
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226 /* since version 2.1 - interface to PostScript hinter */ |
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227 void* pshinter; |
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228 |
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229 /* since version 2.1.8, but was originally positioned after `afm_data' */ |
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230 FT_Byte* binary_data; /* used if hex data has been converted */ |
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231 FT_Stream cid_stream; |
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232 |
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233 } CID_FaceRec; |
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234 |
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235 |
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236 FT_END_HEADER |
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237 |
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238 #endif /* __T1TYPES_H__ */ |
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239 |
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240 |
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241 /* END */ |