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cfftypes.h
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00001 /***************************************************************************/ 00002 /* */ 00003 /* cfftypes.h */ 00004 /* */ 00005 /* Basic OpenType/CFF type definitions and interface (specification */ 00006 /* only). */ 00007 /* */ 00008 /* Copyright 1996-2001, 2002, 2003, 2006, 2007, 2008, 2010 by */ 00009 /* David Turner, Robert Wilhelm, and Werner Lemberg. */ 00010 /* */ 00011 /* This file is part of the FreeType project, and may only be used, */ 00012 /* modified, and distributed under the terms of the FreeType project */ 00013 /* license, LICENSE.TXT. By continuing to use, modify, or distribute */ 00014 /* this file you indicate that you have read the license and */ 00015 /* understand and accept it fully. */ 00016 /* */ 00017 /***************************************************************************/ 00018 00019 00020 #ifndef __CFFTYPES_H__ 00021 #define __CFFTYPES_H__ 00022 00023 00024 #include <ft2build.h> 00025 #include FT_FREETYPE_H 00026 #include FT_TYPE1_TABLES_H 00027 #include FT_INTERNAL_SERVICE_H 00028 #include FT_SERVICE_POSTSCRIPT_CMAPS_H 00029 #include FT_INTERNAL_POSTSCRIPT_HINTS_H 00030 00031 00032 FT_BEGIN_HEADER 00033 00034 00035 /*************************************************************************/ 00036 /* */ 00037 /* <Struct> */ 00038 /* CFF_IndexRec */ 00039 /* */ 00040 /* <Description> */ 00041 /* A structure used to model a CFF Index table. */ 00042 /* */ 00043 /* <Fields> */ 00044 /* stream :: The source input stream. */ 00045 /* */ 00046 /* start :: The position of the first index byte in the */ 00047 /* input stream. */ 00048 /* */ 00049 /* count :: The number of elements in the index. */ 00050 /* */ 00051 /* off_size :: The size in bytes of object offsets in index. */ 00052 /* */ 00053 /* data_offset :: The position of first data byte in the index's */ 00054 /* bytes. */ 00055 /* */ 00056 /* data_size :: The size of the data table in this index. */ 00057 /* */ 00058 /* offsets :: A table of element offsets in the index. Must be */ 00059 /* loaded explicitly. */ 00060 /* */ 00061 /* bytes :: If the index is loaded in memory, its bytes. */ 00062 /* */ 00063 typedef struct CFF_IndexRec_ 00064 { 00065 FT_Stream stream; 00066 FT_ULong start; 00067 FT_UInt count; 00068 FT_Byte off_size; 00069 FT_ULong data_offset; 00070 FT_ULong data_size; 00071 00072 FT_ULong* offsets; 00073 FT_Byte* bytes; 00074 00075 } CFF_IndexRec, *CFF_Index; 00076 00077 00078 typedef struct CFF_EncodingRec_ 00079 { 00080 FT_UInt format; 00081 FT_ULong offset; 00082 00083 FT_UInt count; 00084 FT_UShort sids [256]; /* avoid dynamic allocations */ 00085 FT_UShort codes[256]; 00086 00087 } CFF_EncodingRec, *CFF_Encoding; 00088 00089 00090 typedef struct CFF_CharsetRec_ 00091 { 00092 00093 FT_UInt format; 00094 FT_ULong offset; 00095 00096 FT_UShort* sids; 00097 FT_UShort* cids; /* the inverse mapping of `sids'; only needed */ 00098 /* for CID-keyed fonts */ 00099 FT_UInt max_cid; 00100 FT_UInt num_glyphs; 00101 00102 } CFF_CharsetRec, *CFF_Charset; 00103 00104 00105 typedef struct CFF_FontRecDictRec_ 00106 { 00107 FT_UInt version; 00108 FT_UInt notice; 00109 FT_UInt copyright; 00110 FT_UInt full_name; 00111 FT_UInt family_name; 00112 FT_UInt weight; 00113 FT_Bool is_fixed_pitch; 00114 FT_Fixed italic_angle; 00115 FT_Fixed underline_position; 00116 FT_Fixed underline_thickness; 00117 FT_Int paint_type; 00118 FT_Int charstring_type; 00119 FT_Matrix font_matrix; 00120 FT_ULong units_per_em; /* temporarily used as scaling value also */ 00121 FT_Vector font_offset; 00122 FT_ULong unique_id; 00123 FT_BBox font_bbox; 00124 FT_Pos stroke_width; 00125 FT_ULong charset_offset; 00126 FT_ULong encoding_offset; 00127 FT_ULong charstrings_offset; 00128 FT_ULong private_offset; 00129 FT_ULong private_size; 00130 FT_Long synthetic_base; 00131 FT_UInt embedded_postscript; 00132 00133 /* these should only be used for the top-level font dictionary */ 00134 FT_UInt cid_registry; 00135 FT_UInt cid_ordering; 00136 FT_Long cid_supplement; 00137 00138 FT_Long cid_font_version; 00139 FT_Long cid_font_revision; 00140 FT_Long cid_font_type; 00141 FT_ULong cid_count; 00142 FT_ULong cid_uid_base; 00143 FT_ULong cid_fd_array_offset; 00144 FT_ULong cid_fd_select_offset; 00145 FT_UInt cid_font_name; 00146 00147 } CFF_FontRecDictRec, *CFF_FontRecDict; 00148 00149 00150 typedef struct CFF_PrivateRec_ 00151 { 00152 FT_Byte num_blue_values; 00153 FT_Byte num_other_blues; 00154 FT_Byte num_family_blues; 00155 FT_Byte num_family_other_blues; 00156 00157 FT_Pos blue_values[14]; 00158 FT_Pos other_blues[10]; 00159 FT_Pos family_blues[14]; 00160 FT_Pos family_other_blues[10]; 00161 00162 FT_Fixed blue_scale; 00163 FT_Pos blue_shift; 00164 FT_Pos blue_fuzz; 00165 FT_Pos standard_width; 00166 FT_Pos standard_height; 00167 00168 FT_Byte num_snap_widths; 00169 FT_Byte num_snap_heights; 00170 FT_Pos snap_widths[13]; 00171 FT_Pos snap_heights[13]; 00172 FT_Bool force_bold; 00173 FT_Fixed force_bold_threshold; 00174 FT_Int lenIV; 00175 FT_Int language_group; 00176 FT_Fixed expansion_factor; 00177 FT_Long initial_random_seed; 00178 FT_ULong local_subrs_offset; 00179 FT_Pos default_width; 00180 FT_Pos nominal_width; 00181 00182 } CFF_PrivateRec, *CFF_Private; 00183 00184 00185 typedef struct CFF_FDSelectRec_ 00186 { 00187 FT_Byte format; 00188 FT_UInt range_count; 00189 00190 /* that's the table, taken from the file `as is' */ 00191 FT_Byte* data; 00192 FT_UInt data_size; 00193 00194 /* small cache for format 3 only */ 00195 FT_UInt cache_first; 00196 FT_UInt cache_count; 00197 FT_Byte cache_fd; 00198 00199 } CFF_FDSelectRec, *CFF_FDSelect; 00200 00201 00202 /* A SubFont packs a font dict and a private dict together. They are */ 00203 /* needed to support CID-keyed CFF fonts. */ 00204 typedef struct CFF_SubFontRec_ 00205 { 00206 CFF_FontRecDictRec font_dict; 00207 CFF_PrivateRec private_dict; 00208 00209 CFF_IndexRec local_subrs_index; 00210 FT_Byte** local_subrs; /* array of pointers into Local Subrs INDEX data */ 00211 00212 } CFF_SubFontRec, *CFF_SubFont; 00213 00214 00215 /* maximum number of sub-fonts in a CID-keyed file */ 00216 #define CFF_MAX_CID_FONTS 32 00217 00218 00219 typedef struct CFF_FontRec_ 00220 { 00221 FT_Stream stream; 00222 FT_Memory memory; 00223 FT_UInt num_faces; 00224 FT_UInt num_glyphs; 00225 00226 FT_Byte version_major; 00227 FT_Byte version_minor; 00228 FT_Byte header_size; 00229 FT_Byte absolute_offsize; 00230 00231 00232 CFF_IndexRec name_index; 00233 CFF_IndexRec top_dict_index; 00234 CFF_IndexRec global_subrs_index; 00235 00236 CFF_EncodingRec encoding; 00237 CFF_CharsetRec charset; 00238 00239 CFF_IndexRec charstrings_index; 00240 CFF_IndexRec font_dict_index; 00241 CFF_IndexRec private_index; 00242 CFF_IndexRec local_subrs_index; 00243 00244 FT_String* font_name; 00245 00246 /* array of pointers into Global Subrs INDEX data */ 00247 FT_Byte** global_subrs; 00248 00249 /* array of pointers into String INDEX data stored at string_pool */ 00250 FT_UInt num_strings; 00251 FT_Byte** strings; 00252 FT_Byte* string_pool; 00253 00254 CFF_SubFontRec top_font; 00255 FT_UInt num_subfonts; 00256 CFF_SubFont subfonts[CFF_MAX_CID_FONTS]; 00257 00258 CFF_FDSelectRec fd_select; 00259 00260 /* interface to PostScript hinter */ 00261 PSHinter_Service pshinter; 00262 00263 /* interface to Postscript Names service */ 00264 FT_Service_PsCMaps psnames; 00265 00266 /* since version 2.3.0 */ 00267 PS_FontInfoRec* font_info; /* font info dictionary */ 00268 00269 /* since version 2.3.6 */ 00270 FT_String* registry; 00271 FT_String* ordering; 00272 00273 } CFF_FontRec, *CFF_Font; 00274 00275 00276 FT_END_HEADER 00277 00278 #endif /* __CFFTYPES_H__ */ 00279 00280 00281 /* END */
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