freetype2/include/freetype/t1tables.h

235 lines
6.2 KiB
C

/***************************************************************************/
/* */
/* t1tables.h */
/* */
/* Basic Type 1/Type 2 tables definitions and interface */
/* */
/* */
/* Copyright 1996-2000 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used */
/* modified and distributed under the terms of the FreeType project */
/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
/* this file you indicate that you have read the license and */
/* understand and accept it fully. */
/* */
/***************************************************************************/
#ifndef T1TABLES_H
#define T1TABLES_H
#include <freetype/freetype.h>
/* Note that we separate font data in T1_FontInfo and T1_Private structures */
/* in order to later support multiple master fonts.. */
/*************************************************************************
*
* <Struct>
* T1_FontInfo
*
* <Description>
* A structure used to model a Type1/Type2 FontInfo dictionary
* Note that for multiple-master fonts, each instance has its own
* FontInfo.
*
*/
typedef struct T1_FontInfo
{
FT_String* version;
FT_String* notice;
FT_String* full_name;
FT_String* family_name;
FT_String* weight;
FT_Long italic_angle;
FT_Bool is_fixed_pitch;
FT_Short underline_position;
FT_UShort underline_thickness;
} T1_FontInfo;
/*************************************************************************
*
* <Struct>
* T1_Private
*
* <Description>
* A structure used to model a Type1/Type2 FontInfo dictionary
* Note that for multiple-master fonts, each instance has its own
* Private dict.
*
*/
typedef struct T1_Private
{
FT_Int unique_id;
FT_Int lenIV;
FT_Byte num_blue_values;
FT_Byte num_other_blues;
FT_Byte num_family_blues;
FT_Byte num_family_other_blues;
FT_Short blue_values[14];
FT_Short other_blues[10];
FT_Short family_blues [14];
FT_Short family_other_blues[10];
FT_Fixed blue_scale;
FT_Int blue_shift;
FT_Int blue_fuzz;
FT_UShort standard_width[1];
FT_UShort standard_height[1];
FT_Byte num_snap_widths;
FT_Byte num_snap_heights;
FT_Bool force_bold;
FT_Bool round_stem_up;
FT_Short snap_widths [13]; /* reserve one place for the std */
FT_Short snap_heights[13]; /* reserve one place for the std */
FT_Long language_group;
FT_Long password;
FT_Short min_feature[2];
} T1_Private;
/*************************************************************************
*
* <Enum>
* T1_Blend_Flags
*
* <Description>
* A set of flags used to indicate which fields are present in a
* given blen dictionary (font info or private). Used to support
* multiple masters..
*
*/
typedef enum
{
/* required fields in a FontInfo blend dictionary */
t1_blend_underline_position = 0,
t1_blend_underline_thickness,
t1_blend_italic_angle,
/* required fields in a Private blend dictionary */
t1_blend_blue_values,
t1_blend_other_blues,
t1_blend_standard_width,
t1_blend_standard_height,
t1_blend_stem_snap_widths,
t1_blend_stem_snap_heights,
t1_blend_blue_scale,
t1_blend_blue_shift,
t1_blend_family_blues,
t1_blend_family_other_blues,
t1_blend_force_bold,
/* never remove */
t1_blend_max
} T1_Blend_Flags;
/* maximum number of multiple-masters designs, per-se the spec */
#define T1_MAX_MM_DESIGNS 16
/* maximum number of multiple-masters axis, per-se the spec */
#define T1_MAX_MM_AXIS 4
/* maximum number of elements in a design map */
#define T1_MAX_MM_MAP_POINTS 20
/* this structure is used to store the BlendDesignMap entry for an axis */
typedef struct T1_DesignMap_
{
FT_Byte num_points;
FT_Fixed* design_points;
FT_Fixed* blend_points;
} T1_DesignMap;
typedef struct T1_Blend_
{
FT_UInt num_designs;
FT_UInt num_axis;
FT_String* axis_names[ T1_MAX_MM_AXIS ];
FT_Fixed* design_pos[ T1_MAX_MM_DESIGNS ];
T1_DesignMap design_map[ T1_MAX_MM_AXIS ];
FT_Fixed* weight_vector;
FT_Fixed* default_weight_vector;
T1_FontInfo* font_infos[ T1_MAX_MM_DESIGNS+1 ];
T1_Private* privates [ T1_MAX_MM_DESIGNS+1 ];
FT_ULong blend_bitflags;
} T1_Blend;
typedef struct CID_FontDict_
{
T1_Private private_dict;
FT_UInt len_buildchar;
FT_Fixed forcebold_threshold;
FT_Pos stroke_width;
FT_Fixed expansion_factor;
FT_Byte paint_type;
FT_Byte font_type;
FT_Matrix font_matrix;
FT_UInt num_subrs;
FT_ULong subrmap_offset;
FT_Int sd_bytes;
} CID_FontDict;
typedef struct CID_Info_
{
FT_String* cid_font_name;
FT_Fixed cid_version;
FT_Int cid_font_type;
FT_String* registry;
FT_String* ordering;
FT_Int supplement;
T1_FontInfo font_info;
FT_BBox font_bbox;
FT_ULong uid_base;
FT_Int num_xuid;
FT_ULong xuid[16];
FT_ULong cidmap_offset;
FT_Int fd_bytes;
FT_Int gd_bytes;
FT_ULong cid_count;
FT_Int num_dicts;
CID_FontDict* font_dicts;
FT_ULong data_offset;
} CID_Info;
#endif /* T1TABLES_H */