264 lines
8.8 KiB
C
264 lines
8.8 KiB
C
/***************************************************************************/
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/* */
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/* t1tables.h */
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/* */
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/* Basic Type 1/Type 2 tables definitions and interface (specification */
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/* only). */
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/* */
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/* Copyright 1996-2001 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 __T1TABLES_H__
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#define __T1TABLES_H__
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#include <ft2build.h>
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#include FT_FREETYPE_H
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FT_BEGIN_HEADER
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/*************************************************************************/
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/* */
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/* <Section> */
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/* type1_tables */
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/* */
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/* <Title> */
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/* Type 1 Tables */
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/* */
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/* <Abstract> */
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/* Type 1 (PostScript) specific font tables. */
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/* */
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/* <Description> */
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/* This section contains the definition of Type 1-specific tables, */
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/* including structures related to other PostScript font formats. */
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/* */
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/*************************************************************************/
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/* Note that we separate font data in T1_FontInfo and T1_Private */
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/* structures in order to support Multiple Master fonts. */
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/*************************************************************************/
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/* */
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/* <Struct> */
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/* T1_FontInfo */
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/* */
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/* <Description> */
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/* A structure used to model a Type1/Type2 FontInfo dictionary. Note */
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/* that for Multiple Master fonts, each instance has its own */
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/* FontInfo. */
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/* */
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typedef struct T1_FontInfo
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{
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FT_String* version;
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FT_String* notice;
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FT_String* full_name;
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FT_String* family_name;
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FT_String* weight;
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FT_Long italic_angle;
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FT_Bool is_fixed_pitch;
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FT_Short underline_position;
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FT_UShort underline_thickness;
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} T1_FontInfo;
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/*************************************************************************/
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/* */
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/* <Struct> */
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/* T1_Private */
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/* */
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/* <Description> */
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/* A structure used to model a Type1/Type2 FontInfo dictionary. Note */
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/* that for Multiple Master fonts, each instance has its own Private */
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/* dict. */
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/* */
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typedef struct T1_Private
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{
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FT_Int unique_id;
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FT_Int lenIV;
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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_Short blue_values[14];
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FT_Short other_blues[10];
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FT_Short family_blues [14];
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FT_Short family_other_blues[10];
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FT_Fixed blue_scale;
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FT_Int blue_shift;
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FT_Int blue_fuzz;
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FT_UShort standard_width[1];
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FT_UShort standard_height[1];
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FT_Byte num_snap_widths;
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FT_Byte num_snap_heights;
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FT_Bool force_bold;
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FT_Bool round_stem_up;
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FT_Short snap_widths [13]; /* including std width */
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FT_Short snap_heights[13]; /* including std height */
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FT_Long language_group;
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FT_Long password;
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FT_Short min_feature[2];
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} T1_Private;
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/*************************************************************************/
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/* */
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/* <Enum> */
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/* T1_Blend_Flags */
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/* */
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/* <Description> */
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/* A set of flags used to indicate which fields are present in a */
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/* given blen dictionary (font info or private). Used to support */
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/* Multiple Masters fonts. */
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/* */
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typedef enum
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{
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/*# required fields in a FontInfo blend dictionary */
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t1_blend_underline_position = 0,
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t1_blend_underline_thickness,
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t1_blend_italic_angle,
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/*# required fields in a Private blend dictionary */
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t1_blend_blue_values,
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t1_blend_other_blues,
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t1_blend_standard_width,
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t1_blend_standard_height,
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t1_blend_stem_snap_widths,
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t1_blend_stem_snap_heights,
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t1_blend_blue_scale,
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t1_blend_blue_shift,
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t1_blend_family_blues,
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t1_blend_family_other_blues,
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t1_blend_force_bold,
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/*# never remove */
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t1_blend_max
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} T1_Blend_Flags;
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/* maximum number of Multiple Masters designs, as defined in the spec */
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#define T1_MAX_MM_DESIGNS 16
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/* maximum number of Multiple Masters axes, as defined in the spec */
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#define T1_MAX_MM_AXIS 4
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/* maximum number of elements in a design map */
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#define T1_MAX_MM_MAP_POINTS 20
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/* this structure is used to store the BlendDesignMap entry for an axis */
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typedef struct T1_DesignMap_
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{
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FT_Byte num_points;
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FT_Fixed* design_points;
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FT_Fixed* blend_points;
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} T1_DesignMap;
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typedef struct T1_Blend_
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{
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FT_UInt num_designs;
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FT_UInt num_axis;
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FT_String* axis_names[T1_MAX_MM_AXIS];
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FT_Fixed* design_pos[T1_MAX_MM_DESIGNS];
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T1_DesignMap design_map[T1_MAX_MM_AXIS];
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FT_Fixed* weight_vector;
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FT_Fixed* default_weight_vector;
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T1_FontInfo* font_infos[T1_MAX_MM_DESIGNS + 1];
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T1_Private* privates [T1_MAX_MM_DESIGNS + 1];
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FT_ULong blend_bitflags;
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} T1_Blend;
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typedef struct CID_FontDict_
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{
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T1_Private private_dict;
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FT_UInt len_buildchar;
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FT_Fixed forcebold_threshold;
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FT_Pos stroke_width;
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FT_Fixed expansion_factor;
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FT_Byte paint_type;
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FT_Byte font_type;
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FT_Matrix font_matrix;
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FT_Vector font_offset;
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FT_UInt num_subrs;
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FT_ULong subrmap_offset;
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FT_Int sd_bytes;
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} CID_FontDict;
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typedef struct CID_Info_
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{
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FT_String* cid_font_name;
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FT_Fixed cid_version;
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FT_Int cid_font_type;
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FT_String* registry;
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FT_String* ordering;
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FT_Int supplement;
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T1_FontInfo font_info;
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FT_BBox font_bbox;
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FT_ULong uid_base;
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FT_Int num_xuid;
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FT_ULong xuid[16];
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FT_ULong cidmap_offset;
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FT_Int fd_bytes;
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FT_Int gd_bytes;
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FT_ULong cid_count;
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FT_Int num_dicts;
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CID_FontDict* font_dicts;
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FT_ULong data_offset;
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} CID_Info;
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/* */
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FT_END_HEADER
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#endif /* __T1TABLES_H__ */
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/* END */
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