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4759 | right-hear | 1 | /***************************************************************************/ |
2 | /* */ |
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3 | /* t1tables.h */ |
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4 | /* */ |
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5 | /* Basic Type 1/Type 2 tables 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, 2008, 2009 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, LICENSE.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 | |||
19 | |||
20 | #ifndef __T1TABLES_H__ |
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21 | #define __T1TABLES_H__ |
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22 | |||
23 | |||
24 | #include |
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25 | #include FT_FREETYPE_H |
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26 | |||
27 | #ifdef FREETYPE_H |
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28 | #error "freetype.h of FreeType 1 has been loaded!" |
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29 | #error "Please fix the directory search order for header files" |
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30 | #error "so that freetype.h of FreeType 2 is found first." |
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31 | #endif |
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32 | |||
33 | |||
34 | FT_BEGIN_HEADER |
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35 | |||
36 | |||
37 | /*************************************************************************/ |
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38 | /* */ |
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39 | /* |
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40 | /* type1_tables */ |
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41 | /* */ |
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42 | /* |
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43 | /* Type 1 Tables */ |
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44 | /* */ |
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45 | /* |
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46 | /* Type~1 (PostScript) specific font tables. */ |
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47 | /* */ |
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48 | /* |
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49 | /* This section contains the definition of Type 1-specific tables, */ |
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50 | /* including structures related to other PostScript font formats. */ |
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51 | /* */ |
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52 | /*************************************************************************/ |
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53 | |||
54 | |||
55 | /* Note that we separate font data in PS_FontInfoRec and PS_PrivateRec */ |
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56 | /* structures in order to support Multiple Master fonts. */ |
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57 | |||
58 | |||
59 | /*************************************************************************/ |
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60 | /* */ |
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61 | /* |
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62 | /* PS_FontInfoRec */ |
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63 | /* */ |
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64 | /* |
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65 | /* A structure used to model a Type~1 or Type~2 FontInfo dictionary. */ |
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66 | /* Note that for Multiple Master fonts, each instance has its own */ |
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67 | /* FontInfo dictionary. */ |
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68 | /* */ |
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69 | typedef struct PS_FontInfoRec_ |
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70 | { |
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71 | FT_String* version; |
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72 | FT_String* notice; |
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73 | FT_String* full_name; |
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74 | FT_String* family_name; |
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75 | FT_String* weight; |
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76 | FT_Long italic_angle; |
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77 | FT_Bool is_fixed_pitch; |
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78 | FT_Short underline_position; |
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79 | FT_UShort underline_thickness; |
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80 | |||
81 | } PS_FontInfoRec; |
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82 | |||
83 | |||
84 | /*************************************************************************/ |
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85 | /* */ |
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86 | /* |
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87 | /* PS_FontInfo */ |
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88 | /* */ |
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89 | /* |
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90 | /* A handle to a @PS_FontInfoRec structure. */ |
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91 | /* */ |
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92 | typedef struct PS_FontInfoRec_* PS_FontInfo; |
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93 | |||
94 | |||
95 | /*************************************************************************/ |
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96 | /* */ |
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97 | /* |
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98 | /* T1_FontInfo */ |
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99 | /* */ |
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100 | /* |
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101 | /* This type is equivalent to @PS_FontInfoRec. It is deprecated but */ |
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102 | /* kept to maintain source compatibility between various versions of */ |
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103 | /* FreeType. */ |
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104 | /* */ |
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105 | typedef PS_FontInfoRec T1_FontInfo; |
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106 | |||
107 | |||
108 | /*************************************************************************/ |
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109 | /* */ |
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110 | /* |
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111 | /* PS_PrivateRec */ |
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112 | /* */ |
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113 | /* |
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114 | /* A structure used to model a Type~1 or Type~2 private dictionary. */ |
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115 | /* Note that for Multiple Master fonts, each instance has its own */ |
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116 | /* Private dictionary. */ |
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117 | /* */ |
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118 | typedef struct PS_PrivateRec_ |
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119 | { |
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120 | FT_Int unique_id; |
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121 | FT_Int lenIV; |
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122 | |||
123 | FT_Byte num_blue_values; |
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124 | FT_Byte num_other_blues; |
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125 | FT_Byte num_family_blues; |
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126 | FT_Byte num_family_other_blues; |
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127 | |||
128 | FT_Short blue_values[14]; |
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129 | FT_Short other_blues[10]; |
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130 | |||
131 | FT_Short family_blues [14]; |
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132 | FT_Short family_other_blues[10]; |
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133 | |||
134 | FT_Fixed blue_scale; |
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135 | FT_Int blue_shift; |
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136 | FT_Int blue_fuzz; |
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137 | |||
138 | FT_UShort standard_width[1]; |
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139 | FT_UShort standard_height[1]; |
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140 | |||
141 | FT_Byte num_snap_widths; |
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142 | FT_Byte num_snap_heights; |
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143 | FT_Bool force_bold; |
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144 | FT_Bool round_stem_up; |
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145 | |||
146 | FT_Short snap_widths [13]; /* including std width */ |
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147 | FT_Short snap_heights[13]; /* including std height */ |
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148 | |||
149 | FT_Fixed expansion_factor; |
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150 | |||
151 | FT_Long language_group; |
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152 | FT_Long password; |
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153 | |||
154 | FT_Short min_feature[2]; |
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155 | |||
156 | } PS_PrivateRec; |
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157 | |||
158 | |||
159 | /*************************************************************************/ |
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160 | /* */ |
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161 | /* |
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162 | /* PS_Private */ |
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163 | /* */ |
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164 | /* |
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165 | /* A handle to a @PS_PrivateRec structure. */ |
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166 | /* */ |
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167 | typedef struct PS_PrivateRec_* PS_Private; |
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168 | |||
169 | |||
170 | /*************************************************************************/ |
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171 | /* */ |
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172 | /* |
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173 | /* T1_Private */ |
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174 | /* */ |
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175 | /* |
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176 | /* This type is equivalent to @PS_PrivateRec. It is deprecated but */ |
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177 | /* kept to maintain source compatibility between various versions of */ |
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178 | /* FreeType. */ |
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179 | /* */ |
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180 | typedef PS_PrivateRec T1_Private; |
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181 | |||
182 | |||
183 | /*************************************************************************/ |
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184 | /* */ |
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185 | /* |
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186 | /* T1_Blend_Flags */ |
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187 | /* */ |
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188 | /* |
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189 | /* A set of flags used to indicate which fields are present in a */ |
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190 | /* given blend dictionary (font info or private). Used to support */ |
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191 | /* Multiple Masters fonts. */ |
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192 | /* */ |
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193 | typedef enum T1_Blend_Flags_ |
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194 | { |
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195 | /*# required fields in a FontInfo blend dictionary */ |
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196 | T1_BLEND_UNDERLINE_POSITION = 0, |
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197 | T1_BLEND_UNDERLINE_THICKNESS, |
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198 | T1_BLEND_ITALIC_ANGLE, |
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199 | |||
200 | /*# required fields in a Private blend dictionary */ |
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201 | T1_BLEND_BLUE_VALUES, |
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202 | T1_BLEND_OTHER_BLUES, |
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203 | T1_BLEND_STANDARD_WIDTH, |
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204 | T1_BLEND_STANDARD_HEIGHT, |
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205 | T1_BLEND_STEM_SNAP_WIDTHS, |
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206 | T1_BLEND_STEM_SNAP_HEIGHTS, |
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207 | T1_BLEND_BLUE_SCALE, |
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208 | T1_BLEND_BLUE_SHIFT, |
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209 | T1_BLEND_FAMILY_BLUES, |
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210 | T1_BLEND_FAMILY_OTHER_BLUES, |
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211 | T1_BLEND_FORCE_BOLD, |
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212 | |||
213 | /*# never remove */ |
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214 | T1_BLEND_MAX |
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215 | |||
216 | } T1_Blend_Flags; |
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217 | |||
218 | /* */ |
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219 | |||
220 | |||
221 | /*# backwards compatible definitions */ |
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222 | #define t1_blend_underline_position T1_BLEND_UNDERLINE_POSITION |
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223 | #define t1_blend_underline_thickness T1_BLEND_UNDERLINE_THICKNESS |
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224 | #define t1_blend_italic_angle T1_BLEND_ITALIC_ANGLE |
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225 | #define t1_blend_blue_values T1_BLEND_BLUE_VALUES |
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226 | #define t1_blend_other_blues T1_BLEND_OTHER_BLUES |
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227 | #define t1_blend_standard_widths T1_BLEND_STANDARD_WIDTH |
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228 | #define t1_blend_standard_height T1_BLEND_STANDARD_HEIGHT |
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229 | #define t1_blend_stem_snap_widths T1_BLEND_STEM_SNAP_WIDTHS |
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230 | #define t1_blend_stem_snap_heights T1_BLEND_STEM_SNAP_HEIGHTS |
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231 | #define t1_blend_blue_scale T1_BLEND_BLUE_SCALE |
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232 | #define t1_blend_blue_shift T1_BLEND_BLUE_SHIFT |
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233 | #define t1_blend_family_blues T1_BLEND_FAMILY_BLUES |
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234 | #define t1_blend_family_other_blues T1_BLEND_FAMILY_OTHER_BLUES |
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235 | #define t1_blend_force_bold T1_BLEND_FORCE_BOLD |
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236 | #define t1_blend_max T1_BLEND_MAX |
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237 | |||
238 | |||
239 | /* maximum number of Multiple Masters designs, as defined in the spec */ |
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240 | #define T1_MAX_MM_DESIGNS 16 |
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241 | |||
242 | /* maximum number of Multiple Masters axes, as defined in the spec */ |
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243 | #define T1_MAX_MM_AXIS 4 |
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244 | |||
245 | /* maximum number of elements in a design map */ |
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246 | #define T1_MAX_MM_MAP_POINTS 20 |
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247 | |||
248 | |||
249 | /* this structure is used to store the BlendDesignMap entry for an axis */ |
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250 | typedef struct PS_DesignMap_ |
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251 | { |
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252 | FT_Byte num_points; |
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253 | FT_Long* design_points; |
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254 | FT_Fixed* blend_points; |
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255 | |||
256 | } PS_DesignMapRec, *PS_DesignMap; |
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257 | |||
258 | /* backwards-compatible definition */ |
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259 | typedef PS_DesignMapRec T1_DesignMap; |
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260 | |||
261 | |||
262 | typedef struct PS_BlendRec_ |
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263 | { |
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264 | FT_UInt num_designs; |
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265 | FT_UInt num_axis; |
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266 | |||
267 | FT_String* axis_names[T1_MAX_MM_AXIS]; |
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268 | FT_Fixed* design_pos[T1_MAX_MM_DESIGNS]; |
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269 | PS_DesignMapRec design_map[T1_MAX_MM_AXIS]; |
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270 | |||
271 | FT_Fixed* weight_vector; |
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272 | FT_Fixed* default_weight_vector; |
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273 | |||
274 | PS_FontInfo font_infos[T1_MAX_MM_DESIGNS + 1]; |
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275 | PS_Private privates [T1_MAX_MM_DESIGNS + 1]; |
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276 | |||
277 | FT_ULong blend_bitflags; |
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278 | |||
279 | FT_BBox* bboxes [T1_MAX_MM_DESIGNS + 1]; |
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280 | |||
281 | /* since 2.3.0 */ |
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282 | |||
283 | /* undocumented, optional: the default design instance; */ |
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284 | /* corresponds to default_weight_vector -- */ |
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285 | /* num_default_design_vector == 0 means it is not present */ |
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286 | /* in the font and associated metrics files */ |
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287 | FT_UInt default_design_vector[T1_MAX_MM_DESIGNS]; |
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288 | FT_UInt num_default_design_vector; |
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289 | |||
290 | } PS_BlendRec, *PS_Blend; |
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291 | |||
292 | |||
293 | /* backwards-compatible definition */ |
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294 | typedef PS_BlendRec T1_Blend; |
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295 | |||
296 | |||
297 | /*************************************************************************/ |
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298 | /* */ |
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299 | /* |
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300 | /* CID_FaceDictRec */ |
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301 | /* */ |
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302 | /* |
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303 | /* A structure used to represent data in a CID top-level dictionary. */ |
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304 | /* */ |
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305 | typedef struct CID_FaceDictRec_ |
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306 | { |
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307 | PS_PrivateRec private_dict; |
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308 | |||
309 | FT_UInt len_buildchar; |
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310 | FT_Fixed forcebold_threshold; |
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311 | FT_Pos stroke_width; |
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312 | FT_Fixed expansion_factor; |
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313 | |||
314 | FT_Byte paint_type; |
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315 | FT_Byte font_type; |
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316 | FT_Matrix font_matrix; |
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317 | FT_Vector font_offset; |
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318 | |||
319 | FT_UInt num_subrs; |
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320 | FT_ULong subrmap_offset; |
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321 | FT_Int sd_bytes; |
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322 | |||
323 | } CID_FaceDictRec; |
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324 | |||
325 | |||
326 | /*************************************************************************/ |
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327 | /* */ |
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328 | /* |
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329 | /* CID_FaceDict */ |
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330 | /* */ |
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331 | /* |
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332 | /* A handle to a @CID_FaceDictRec structure. */ |
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333 | /* */ |
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334 | typedef struct CID_FaceDictRec_* CID_FaceDict; |
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335 | |||
336 | /* */ |
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337 | |||
338 | |||
339 | /* backwards-compatible definition */ |
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340 | typedef CID_FaceDictRec CID_FontDict; |
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341 | |||
342 | |||
343 | /*************************************************************************/ |
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344 | /* */ |
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345 | /* |
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346 | /* CID_FaceInfoRec */ |
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347 | /* */ |
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348 | /* |
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349 | /* A structure used to represent CID Face information. */ |
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350 | /* */ |
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351 | typedef struct CID_FaceInfoRec_ |
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352 | { |
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353 | FT_String* cid_font_name; |
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354 | FT_Fixed cid_version; |
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355 | FT_Int cid_font_type; |
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356 | |||
357 | FT_String* registry; |
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358 | FT_String* ordering; |
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359 | FT_Int supplement; |
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360 | |||
361 | PS_FontInfoRec font_info; |
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362 | FT_BBox font_bbox; |
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363 | FT_ULong uid_base; |
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364 | |||
365 | FT_Int num_xuid; |
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366 | FT_ULong xuid[16]; |
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367 | |||
368 | FT_ULong cidmap_offset; |
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369 | FT_Int fd_bytes; |
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370 | FT_Int gd_bytes; |
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371 | FT_ULong cid_count; |
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372 | |||
373 | FT_Int num_dicts; |
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374 | CID_FaceDict font_dicts; |
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375 | |||
376 | FT_ULong data_offset; |
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377 | |||
378 | } CID_FaceInfoRec; |
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379 | |||
380 | |||
381 | /*************************************************************************/ |
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382 | /* */ |
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383 | /* |
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384 | /* CID_FaceInfo */ |
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385 | /* */ |
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386 | /* |
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387 | /* A handle to a @CID_FaceInfoRec structure. */ |
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388 | /* */ |
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389 | typedef struct CID_FaceInfoRec_* CID_FaceInfo; |
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390 | |||
391 | |||
392 | /*************************************************************************/ |
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393 | /* */ |
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394 | /* |
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395 | /* CID_Info */ |
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396 | /* */ |
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397 | /* |
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398 | /* This type is equivalent to @CID_FaceInfoRec. It is deprecated but */ |
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399 | /* kept to maintain source compatibility between various versions of */ |
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400 | /* FreeType. */ |
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401 | /* */ |
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402 | typedef CID_FaceInfoRec CID_Info; |
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403 | |||
404 | |||
405 | /************************************************************************ |
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406 | * |
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407 | * @function: |
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408 | * FT_Has_PS_Glyph_Names |
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409 | * |
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410 | * @description: |
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411 | * Return true if a given face provides reliable PostScript glyph |
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412 | * names. This is similar to using the @FT_HAS_GLYPH_NAMES macro, |
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413 | * except that certain fonts (mostly TrueType) contain incorrect |
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414 | * glyph name tables. |
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415 | * |
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416 | * When this function returns true, the caller is sure that the glyph |
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417 | * names returned by @FT_Get_Glyph_Name are reliable. |
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418 | * |
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419 | * @input: |
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420 | * face :: |
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421 | * face handle |
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422 | * |
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423 | * @return: |
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424 | * Boolean. True if glyph names are reliable. |
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425 | * |
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426 | */ |
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427 | FT_EXPORT( FT_Int ) |
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428 | FT_Has_PS_Glyph_Names( FT_Face face ); |
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429 | |||
430 | |||
431 | /************************************************************************ |
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432 | * |
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433 | * @function: |
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434 | * FT_Get_PS_Font_Info |
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435 | * |
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436 | * @description: |
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437 | * Retrieve the @PS_FontInfoRec structure corresponding to a given |
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438 | * PostScript font. |
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439 | * |
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440 | * @input: |
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441 | * face :: |
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442 | * PostScript face handle. |
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443 | * |
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444 | * @output: |
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445 | * afont_info :: |
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446 | * Output font info structure pointer. |
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447 | * |
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448 | * @return: |
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449 | * FreeType error code. 0~means success. |
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450 | * |
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451 | * @note: |
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452 | * The string pointers within the font info structure are owned by |
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453 | * the face and don't need to be freed by the caller. |
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454 | * |
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455 | * If the font's format is not PostScript-based, this function will |
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456 | * return the `FT_Err_Invalid_Argument' error code. |
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457 | * |
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458 | */ |
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459 | FT_EXPORT( FT_Error ) |
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460 | FT_Get_PS_Font_Info( FT_Face face, |
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461 | PS_FontInfo afont_info ); |
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462 | |||
463 | |||
464 | /************************************************************************ |
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465 | * |
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466 | * @function: |
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467 | * FT_Get_PS_Font_Private |
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468 | * |
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469 | * @description: |
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470 | * Retrieve the @PS_PrivateRec structure corresponding to a given |
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471 | * PostScript font. |
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472 | * |
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473 | * @input: |
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474 | * face :: |
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475 | * PostScript face handle. |
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476 | * |
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477 | * @output: |
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478 | * afont_private :: |
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479 | * Output private dictionary structure pointer. |
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480 | * |
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481 | * @return: |
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482 | * FreeType error code. 0~means success. |
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483 | * |
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484 | * @note: |
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485 | * The string pointers within the @PS_PrivateRec structure are owned by |
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486 | * the face and don't need to be freed by the caller. |
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487 | * |
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488 | * If the font's format is not PostScript-based, this function returns |
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489 | * the `FT_Err_Invalid_Argument' error code. |
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490 | * |
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491 | */ |
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492 | FT_EXPORT( FT_Error ) |
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493 | FT_Get_PS_Font_Private( FT_Face face, |
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494 | PS_Private afont_private ); |
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495 | |||
496 | /* */ |
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497 | |||
498 | |||
499 | FT_END_HEADER |
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500 | |||
501 | #endif /* __T1TABLES_H__ */ |
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502 | |||
503 | |||
504 | /* END */ |