forked from minhngoc25a/freetype2
229 lines
7.0 KiB
C
229 lines
7.0 KiB
C
/***************************************************************************/
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/* */
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/* t2types.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 1996-2000 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 T2TYPES_H
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#define T2TYPES_H
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#include <freetype/freetype.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*************************************************************************/
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/* */
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/* <Struct> */
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/* CFF_Index */
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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 :: XXX */
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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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/* offsets :: XXX */
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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_Index_
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{
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FT_Stream stream;
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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* offsets;
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FT_Byte* bytes;
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} CFF_Index;
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typedef struct CFF_Font_Dict_
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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_Pos underline_position;
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FT_Pos 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_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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FT_UInt base_font_name;
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FT_UInt 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_ULong 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_Long 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_Font_Dict;
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typedef struct CFF_Private_
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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_Private;
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typedef struct CFF_FD_Select_
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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_FD_Select;
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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_SubFont_
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{
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CFF_Font_Dict font_dict;
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CFF_Private private_dict;
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CFF_Index local_subrs_index;
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FT_UInt num_local_subrs;
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FT_Byte** local_subrs;
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} CFF_SubFont;
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/* maximum number of sub-fonts in a CID-keyed file */
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#define CFF_MAX_CID_FONTS 16
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typedef struct CFF_Font_
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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_Index name_index;
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CFF_Index top_dict_index;
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CFF_Index string_index;
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CFF_Index global_subrs_index;
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/* we don't load the Encoding and CharSet tables */
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CFF_Index charstrings_index;
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CFF_Index font_dict_index;
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CFF_Index private_index;
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CFF_Index local_subrs_index;
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FT_String* font_name;
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FT_UInt num_global_subrs;
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FT_Byte** global_subrs;
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CFF_SubFont 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_FD_Select fd_select;
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} CFF_Font;
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#ifdef __cplusplus
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}
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#endif
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#endif /* T2TYPES_H */
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/* END */
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