282 lines
8.9 KiB
C
282 lines
8.9 KiB
C
/***************************************************************************/
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/* */
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/* cfftypes.h */
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/* */
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/* Basic OpenType/CFF type definitions and interface (specification */
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/* only). */
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/* */
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/* Copyright 1996-2003, 2006-2008, 2010-2011 by */
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/* David Turner, Robert Wilhelm, and Werner Lemberg. */
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/* */
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/* This file is part of the FreeType project, and may only be used, */
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/* modified, and distributed under the terms of the FreeType project */
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/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
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/* this file you indicate that you have read the license and */
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/* understand and accept it fully. */
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/* */
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/***************************************************************************/
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#ifndef __CFFTYPES_H__
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#define __CFFTYPES_H__
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#include <ft2build.h>
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#include FT_FREETYPE_H
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#include FT_TYPE1_TABLES_H
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#include FT_INTERNAL_SERVICE_H
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#include FT_SERVICE_POSTSCRIPT_CMAPS_H
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#include FT_INTERNAL_POSTSCRIPT_HINTS_H
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FT_BEGIN_HEADER
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/*************************************************************************/
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/* */
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/* <Struct> */
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/* CFF_IndexRec */
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/* */
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/* <Description> */
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/* A structure used to model a CFF Index table. */
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/* */
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/* <Fields> */
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/* stream :: The source input stream. */
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/* */
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/* start :: The position of the first index byte in the */
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/* input stream. */
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/* */
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/* count :: The number of elements in the index. */
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/* */
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/* off_size :: The size in bytes of object offsets in index. */
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/* */
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/* data_offset :: The position of first data byte in the index's */
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/* bytes. */
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/* */
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/* data_size :: The size of the data table in this index. */
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/* */
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/* offsets :: A table of element offsets in the index. Must be */
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/* loaded explicitly. */
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/* */
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/* bytes :: If the index is loaded in memory, its bytes. */
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/* */
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typedef struct CFF_IndexRec_
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{
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FT_Stream stream;
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FT_ULong start;
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FT_UInt count;
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FT_Byte off_size;
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FT_ULong data_offset;
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FT_ULong data_size;
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FT_ULong* offsets;
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FT_Byte* bytes;
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} CFF_IndexRec, *CFF_Index;
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typedef struct CFF_EncodingRec_
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{
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FT_UInt format;
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FT_ULong offset;
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FT_UInt count;
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FT_UShort sids [256]; /* avoid dynamic allocations */
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FT_UShort codes[256];
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} CFF_EncodingRec, *CFF_Encoding;
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typedef struct CFF_CharsetRec_
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{
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FT_UInt format;
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FT_ULong offset;
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FT_UShort* sids;
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FT_UShort* cids; /* the inverse mapping of `sids'; only needed */
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/* for CID-keyed fonts */
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FT_UInt max_cid;
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FT_UInt num_glyphs;
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} CFF_CharsetRec, *CFF_Charset;
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typedef struct CFF_FontRecDictRec_
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{
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FT_UInt version;
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FT_UInt notice;
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FT_UInt copyright;
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FT_UInt full_name;
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FT_UInt family_name;
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FT_UInt weight;
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FT_Bool is_fixed_pitch;
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FT_Fixed italic_angle;
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FT_Fixed underline_position;
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FT_Fixed underline_thickness;
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FT_Int paint_type;
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FT_Int charstring_type;
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FT_Matrix font_matrix;
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FT_Bool has_font_matrix;
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FT_ULong units_per_em; /* temporarily used as scaling value also */
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FT_Vector font_offset;
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FT_ULong unique_id;
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FT_BBox font_bbox;
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FT_Pos stroke_width;
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FT_ULong charset_offset;
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FT_ULong encoding_offset;
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FT_ULong charstrings_offset;
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FT_ULong private_offset;
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FT_ULong private_size;
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FT_Long synthetic_base;
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FT_UInt embedded_postscript;
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/* these should only be used for the top-level font dictionary */
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FT_UInt cid_registry;
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FT_UInt cid_ordering;
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FT_Long cid_supplement;
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FT_Long cid_font_version;
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FT_Long cid_font_revision;
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FT_Long cid_font_type;
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FT_ULong cid_count;
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FT_ULong cid_uid_base;
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FT_ULong cid_fd_array_offset;
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FT_ULong cid_fd_select_offset;
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FT_UInt cid_font_name;
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} CFF_FontRecDictRec, *CFF_FontRecDict;
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typedef struct CFF_PrivateRec_
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{
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FT_Byte num_blue_values;
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FT_Byte num_other_blues;
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FT_Byte num_family_blues;
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FT_Byte num_family_other_blues;
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FT_Pos blue_values[14];
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FT_Pos other_blues[10];
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FT_Pos family_blues[14];
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FT_Pos family_other_blues[10];
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FT_Fixed blue_scale;
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FT_Pos blue_shift;
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FT_Pos blue_fuzz;
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FT_Pos standard_width;
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FT_Pos standard_height;
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FT_Byte num_snap_widths;
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FT_Byte num_snap_heights;
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FT_Pos snap_widths[13];
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FT_Pos snap_heights[13];
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FT_Bool force_bold;
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FT_Fixed force_bold_threshold;
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FT_Int lenIV;
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FT_Int language_group;
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FT_Fixed expansion_factor;
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FT_Long initial_random_seed;
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FT_ULong local_subrs_offset;
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FT_Pos default_width;
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FT_Pos nominal_width;
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} CFF_PrivateRec, *CFF_Private;
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typedef struct CFF_FDSelectRec_
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{
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FT_Byte format;
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FT_UInt range_count;
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/* that's the table, taken from the file `as is' */
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FT_Byte* data;
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FT_UInt data_size;
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/* small cache for format 3 only */
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FT_UInt cache_first;
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FT_UInt cache_count;
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FT_Byte cache_fd;
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} CFF_FDSelectRec, *CFF_FDSelect;
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/* A SubFont packs a font dict and a private dict together. They are */
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/* needed to support CID-keyed CFF fonts. */
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typedef struct CFF_SubFontRec_
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{
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CFF_FontRecDictRec font_dict;
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CFF_PrivateRec private_dict;
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CFF_IndexRec local_subrs_index;
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FT_Byte** local_subrs; /* array of pointers into Local Subrs INDEX data */
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} CFF_SubFontRec, *CFF_SubFont;
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#define CFF_MAX_CID_FONTS 256
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typedef struct CFF_FontRec_
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{
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FT_Stream stream;
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FT_Memory memory;
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FT_UInt num_faces;
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FT_UInt num_glyphs;
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FT_Byte version_major;
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FT_Byte version_minor;
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FT_Byte header_size;
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FT_Byte absolute_offsize;
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CFF_IndexRec name_index;
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CFF_IndexRec top_dict_index;
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CFF_IndexRec global_subrs_index;
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CFF_EncodingRec encoding;
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CFF_CharsetRec charset;
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CFF_IndexRec charstrings_index;
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CFF_IndexRec font_dict_index;
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CFF_IndexRec private_index;
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CFF_IndexRec local_subrs_index;
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FT_String* font_name;
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/* array of pointers into Global Subrs INDEX data */
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FT_Byte** global_subrs;
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/* array of pointers into String INDEX data stored at string_pool */
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FT_UInt num_strings;
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FT_Byte** strings;
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FT_Byte* string_pool;
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CFF_SubFontRec top_font;
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FT_UInt num_subfonts;
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CFF_SubFont subfonts[CFF_MAX_CID_FONTS];
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CFF_FDSelectRec fd_select;
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/* interface to PostScript hinter */
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PSHinter_Service pshinter;
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/* interface to Postscript Names service */
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FT_Service_PsCMaps psnames;
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/* since version 2.3.0 */
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PS_FontInfoRec* font_info; /* font info dictionary */
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/* since version 2.3.6 */
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FT_String* registry;
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FT_String* ordering;
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} CFF_FontRec, *CFF_Font;
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FT_END_HEADER
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#endif /* __CFFTYPES_H__ */
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/* END */
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