psobjs.h (10283B)
1 /**************************************************************************** 2 * 3 * psobjs.h 4 * 5 * Auxiliary functions for PostScript fonts (specification). 6 * 7 * Copyright (C) 1996-2025 by 8 * David Turner, Robert Wilhelm, and Werner Lemberg. 9 * 10 * This file is part of the FreeType project, and may only be used, 11 * modified, and distributed under the terms of the FreeType project 12 * license, LICENSE.TXT. By continuing to use, modify, or distribute 13 * this file you indicate that you have read the license and 14 * understand and accept it fully. 15 * 16 */ 17 18 19 #ifndef PSOBJS_H_ 20 #define PSOBJS_H_ 21 22 23 #include <freetype/internal/psaux.h> 24 #include <freetype/internal/cffotypes.h> 25 26 27 FT_BEGIN_HEADER 28 29 30 /*************************************************************************/ 31 /*************************************************************************/ 32 /***** *****/ 33 /***** T1_TABLE *****/ 34 /***** *****/ 35 /*************************************************************************/ 36 /*************************************************************************/ 37 38 39 FT_CALLBACK_TABLE 40 const PS_Table_FuncsRec ps_table_funcs; 41 42 FT_CALLBACK_TABLE 43 const PS_Parser_FuncsRec ps_parser_funcs; 44 45 FT_CALLBACK_TABLE 46 const T1_Builder_FuncsRec t1_builder_funcs; 47 48 49 FT_LOCAL( FT_Error ) 50 ps_table_new( PS_Table table, 51 FT_Int count, 52 FT_Memory memory ); 53 54 FT_LOCAL( FT_Error ) 55 ps_table_add( PS_Table table, 56 FT_Int idx, 57 const void* object, 58 FT_UInt length ); 59 60 FT_LOCAL( void ) 61 ps_table_done( PS_Table table ); 62 63 64 FT_LOCAL( void ) 65 ps_table_release( PS_Table table ); 66 67 68 /*************************************************************************/ 69 /*************************************************************************/ 70 /***** *****/ 71 /***** T1 PARSER *****/ 72 /***** *****/ 73 /*************************************************************************/ 74 /*************************************************************************/ 75 76 77 FT_LOCAL( void ) 78 ps_parser_skip_spaces( PS_Parser parser ); 79 80 FT_LOCAL( void ) 81 ps_parser_skip_PS_token( PS_Parser parser ); 82 83 FT_LOCAL( void ) 84 ps_parser_to_token( PS_Parser parser, 85 T1_Token token ); 86 87 FT_LOCAL( void ) 88 ps_parser_to_token_array( PS_Parser parser, 89 T1_Token tokens, 90 FT_UInt max_tokens, 91 FT_Int* pnum_tokens ); 92 93 FT_LOCAL( FT_Error ) 94 ps_parser_load_field( PS_Parser parser, 95 const T1_Field field, 96 void** objects, 97 FT_UInt max_objects, 98 FT_ULong* pflags ); 99 100 FT_LOCAL( FT_Error ) 101 ps_parser_load_field_table( PS_Parser parser, 102 const T1_Field field, 103 void** objects, 104 FT_UInt max_objects, 105 FT_ULong* pflags ); 106 107 FT_LOCAL( FT_Long ) 108 ps_parser_to_int( PS_Parser parser ); 109 110 111 FT_LOCAL( FT_Error ) 112 ps_parser_to_bytes( PS_Parser parser, 113 FT_Byte* bytes, 114 FT_Offset max_bytes, 115 FT_ULong* pnum_bytes, 116 FT_Bool delimiters ); 117 118 119 FT_LOCAL( FT_Fixed ) 120 ps_parser_to_fixed( PS_Parser parser, 121 FT_Int power_ten ); 122 123 124 FT_LOCAL( FT_Int ) 125 ps_parser_to_coord_array( PS_Parser parser, 126 FT_Int max_coords, 127 FT_Short* coords ); 128 129 FT_LOCAL( FT_Int ) 130 ps_parser_to_fixed_array( PS_Parser parser, 131 FT_Int max_values, 132 FT_Fixed* values, 133 FT_Int power_ten ); 134 135 136 FT_LOCAL( void ) 137 ps_parser_init( PS_Parser parser, 138 FT_Byte* base, 139 FT_Byte* limit, 140 FT_Memory memory ); 141 142 FT_LOCAL( void ) 143 ps_parser_done( PS_Parser parser ); 144 145 146 /*************************************************************************/ 147 /*************************************************************************/ 148 /***** *****/ 149 /***** T1 BUILDER *****/ 150 /***** *****/ 151 /*************************************************************************/ 152 /*************************************************************************/ 153 154 FT_LOCAL( void ) 155 t1_builder_init( T1_Builder builder, 156 FT_Face face, 157 FT_Size size, 158 FT_GlyphSlot glyph, 159 FT_Bool hinting ); 160 161 FT_LOCAL( void ) 162 t1_builder_done( T1_Builder builder ); 163 164 FT_LOCAL( FT_Error ) 165 t1_builder_check_points( T1_Builder builder, 166 FT_Int count ); 167 168 FT_LOCAL( void ) 169 t1_builder_add_point( T1_Builder builder, 170 FT_Pos x, 171 FT_Pos y, 172 FT_Byte flag ); 173 174 FT_LOCAL( FT_Error ) 175 t1_builder_add_point1( T1_Builder builder, 176 FT_Pos x, 177 FT_Pos y ); 178 179 FT_LOCAL( FT_Error ) 180 t1_builder_add_contour( T1_Builder builder ); 181 182 183 FT_LOCAL( FT_Error ) 184 t1_builder_start_point( T1_Builder builder, 185 FT_Pos x, 186 FT_Pos y ); 187 188 189 FT_LOCAL( void ) 190 t1_builder_close_contour( T1_Builder builder ); 191 192 193 /*************************************************************************/ 194 /*************************************************************************/ 195 /***** *****/ 196 /***** CFF BUILDER *****/ 197 /***** *****/ 198 /*************************************************************************/ 199 /*************************************************************************/ 200 201 FT_LOCAL( void ) 202 cff_builder_init( CFF_Builder* builder, 203 TT_Face face, 204 CFF_Size size, 205 CFF_GlyphSlot glyph, 206 FT_Bool hinting ); 207 208 FT_LOCAL( void ) 209 cff_builder_done( CFF_Builder* builder ); 210 211 FT_LOCAL( FT_Error ) 212 cff_check_points( CFF_Builder* builder, 213 FT_Int count ); 214 215 FT_LOCAL( void ) 216 cff_builder_add_point( CFF_Builder* builder, 217 FT_Pos x, 218 FT_Pos y, 219 FT_Byte flag ); 220 FT_LOCAL( FT_Error ) 221 cff_builder_add_point1( CFF_Builder* builder, 222 FT_Pos x, 223 FT_Pos y ); 224 FT_LOCAL( FT_Error ) 225 cff_builder_start_point( CFF_Builder* builder, 226 FT_Pos x, 227 FT_Pos y ); 228 FT_LOCAL( void ) 229 cff_builder_close_contour( CFF_Builder* builder ); 230 231 FT_LOCAL( FT_Error ) 232 cff_builder_add_contour( CFF_Builder* builder ); 233 234 235 /*************************************************************************/ 236 /*************************************************************************/ 237 /***** *****/ 238 /***** PS BUILDER *****/ 239 /***** *****/ 240 /*************************************************************************/ 241 /*************************************************************************/ 242 243 FT_LOCAL( void ) 244 ps_builder_init( PS_Builder* ps_builder, 245 void* builder, 246 FT_Bool is_t1 ); 247 248 249 FT_LOCAL( void ) 250 ps_builder_done( PS_Builder* builder ); 251 252 FT_LOCAL( FT_Error ) 253 ps_builder_check_points( PS_Builder* builder, 254 FT_Int count ); 255 256 FT_LOCAL( void ) 257 ps_builder_add_point( PS_Builder* builder, 258 FT_Pos x, 259 FT_Pos y, 260 FT_Byte flag ); 261 262 FT_LOCAL( FT_Error ) 263 ps_builder_add_point1( PS_Builder* builder, 264 FT_Pos x, 265 FT_Pos y ); 266 267 FT_LOCAL( FT_Error ) 268 ps_builder_add_contour( PS_Builder* builder ); 269 270 FT_LOCAL( FT_Error ) 271 ps_builder_start_point( PS_Builder* builder, 272 FT_Pos x, 273 FT_Pos y ); 274 275 FT_LOCAL( void ) 276 ps_builder_close_contour( PS_Builder* builder ); 277 278 279 /*************************************************************************/ 280 /*************************************************************************/ 281 /***** *****/ 282 /***** OTHER *****/ 283 /***** *****/ 284 /*************************************************************************/ 285 /*************************************************************************/ 286 287 FT_LOCAL( void ) 288 ps_decoder_init( PS_Decoder* ps_decoder, 289 void* decoder, 290 FT_Bool is_t1 ); 291 292 FT_LOCAL( void ) 293 t1_make_subfont( FT_Face face, 294 PS_Private priv, 295 CFF_SubFont subfont ); 296 297 FT_LOCAL( void ) 298 t1_decrypt( FT_Byte* buffer, 299 FT_Offset length, 300 FT_UShort seed ); 301 302 303 FT_LOCAL( FT_UInt32 ) 304 cff_random( FT_UInt32 r ); 305 306 307 FT_END_HEADER 308 309 #endif /* PSOBJS_H_ */ 310 311 312 /* END */