432 lines
15 KiB
C
432 lines
15 KiB
C
/***************************************************************************/
|
|
/* */
|
|
/* t1tables.h */
|
|
/* */
|
|
/* Basic Type 1/Type 2 tables definitions and interface (specification */
|
|
/* only). */
|
|
/* */
|
|
/* Copyright 1996-2001, 2002, 2003, 2004 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 <ft2build.h>
|
|
#include FT_FREETYPE_H
|
|
|
|
#ifdef FREETYPE_H
|
|
#error "freetype.h of FreeType 1 has been loaded!"
|
|
#error "Please fix the directory search order for header files"
|
|
#error "so that freetype.h of FreeType 2 is found first."
|
|
#endif
|
|
|
|
|
|
FT_BEGIN_HEADER
|
|
|
|
|
|
/*************************************************************************/
|
|
/* */
|
|
/* <Section> */
|
|
/* type1_tables */
|
|
/* */
|
|
/* <Title> */
|
|
/* Type 1 Tables */
|
|
/* */
|
|
/* <Abstract> */
|
|
/* Type 1 (PostScript) specific font tables. */
|
|
/* */
|
|
/* <Description> */
|
|
/* This section contains the definition of Type 1-specific tables, */
|
|
/* including structures related to other PostScript font formats. */
|
|
/* */
|
|
/*************************************************************************/
|
|
|
|
|
|
/* Note that we separate font data in PS_FontInfoRec and PS_PrivateRec */
|
|
/* structures in order to support Multiple Master fonts. */
|
|
|
|
|
|
/*************************************************************************/
|
|
/* */
|
|
/* <Struct> */
|
|
/* PS_FontInfoRec */
|
|
/* */
|
|
/* <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 PS_FontInfoRec
|
|
{
|
|
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;
|
|
|
|
} PS_FontInfoRec, *PS_FontInfo;
|
|
|
|
|
|
/*************************************************************************/
|
|
/* */
|
|
/* <Struct> */
|
|
/* T1_FontInfo */
|
|
/* */
|
|
/* <Description> */
|
|
/* This type is equivalent to @PS_FontInfoRec. It is deprecated but */
|
|
/* kept to maintain source compatibility between various versions of */
|
|
/* FreeType. */
|
|
/* */
|
|
typedef PS_FontInfoRec T1_FontInfo;
|
|
|
|
|
|
/*************************************************************************/
|
|
/* */
|
|
/* <Struct> */
|
|
/* PS_PrivateRec */
|
|
/* */
|
|
/* <Description> */
|
|
/* A structure used to model a Type1/Type2 private dictionary. Note */
|
|
/* that for Multiple Master fonts, each instance has its own Private */
|
|
/* dictionary. */
|
|
/* */
|
|
typedef struct PS_PrivateRec_
|
|
{
|
|
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]; /* including std width */
|
|
FT_Short snap_heights[13]; /* including std height */
|
|
|
|
FT_Fixed expansion_factor;
|
|
|
|
FT_Long language_group;
|
|
FT_Long password;
|
|
|
|
FT_Short min_feature[2];
|
|
|
|
} PS_PrivateRec, *PS_Private;
|
|
|
|
|
|
/*************************************************************************/
|
|
/* */
|
|
/* <Struct> */
|
|
/* T1_Private */
|
|
/* */
|
|
/* <Description> */
|
|
/* This type is equivalent to @PS_PrivateRec. It is deprecated but */
|
|
/* kept to maintain source compatibility between various versions of */
|
|
/* FreeType. */
|
|
/* */
|
|
typedef PS_PrivateRec T1_Private;
|
|
|
|
|
|
/*************************************************************************/
|
|
/* */
|
|
/* <Enum> */
|
|
/* T1_Blend_Flags */
|
|
/* */
|
|
/* <Description> */
|
|
/* A set of flags used to indicate which fields are present in a */
|
|
/* given blend dictionary (font info or private). Used to support */
|
|
/* Multiple Masters fonts. */
|
|
/* */
|
|
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;
|
|
|
|
|
|
/*# backwards compatible definitions */
|
|
#define t1_blend_underline_position T1_BLEND_UNDERLINE_POSITION
|
|
#define t1_blend_underline_thickness T1_BLEND_UNDERLINE_THICKNESS
|
|
#define t1_blend_italic_angle T1_BLEND_ITALIC_ANGLE
|
|
#define t1_blend_blue_values T1_BLEND_BLUE_VALUES
|
|
#define t1_blend_other_blues T1_BLEND_OTHER_BLUES
|
|
#define t1_blend_standard_widths T1_BLEND_STANDARD_WIDTH
|
|
#define t1_blend_standard_height T1_BLEND_STANDARD_HEIGHT
|
|
#define t1_blend_stem_snap_widths T1_BLEND_STEM_SNAP_WIDTHS
|
|
#define t1_blend_stem_snap_heights T1_BLEND_STEM_SNAP_HEIGHTS
|
|
#define t1_blend_blue_scale T1_BLEND_BLUE_SCALE
|
|
#define t1_blend_blue_shift T1_BLEND_BLUE_SHIFT
|
|
#define t1_blend_family_blues T1_BLEND_FAMILY_BLUES
|
|
#define t1_blend_family_other_blues T1_BLEND_FAMILY_OTHER_BLUES
|
|
#define t1_blend_force_bold T1_BLEND_FORCE_BOLD
|
|
#define t1_blend_max T1_BLEND_MAX
|
|
|
|
|
|
/* maximum number of Multiple Masters designs, as defined in the spec */
|
|
#define T1_MAX_MM_DESIGNS 16
|
|
|
|
/* maximum number of Multiple Masters axes, as defined in 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 PS_DesignMap_
|
|
{
|
|
FT_Byte num_points;
|
|
FT_Long* design_points;
|
|
FT_Fixed* blend_points;
|
|
|
|
} PS_DesignMapRec, *PS_DesignMap;
|
|
|
|
/* backwards-compatible definition */
|
|
typedef PS_DesignMapRec T1_DesignMap;
|
|
|
|
|
|
typedef struct PS_BlendRec_
|
|
{
|
|
FT_UInt num_designs;
|
|
FT_UInt num_axis;
|
|
|
|
FT_String* axis_names[T1_MAX_MM_AXIS];
|
|
FT_Fixed* design_pos[T1_MAX_MM_DESIGNS];
|
|
PS_DesignMapRec design_map[T1_MAX_MM_AXIS];
|
|
|
|
FT_Fixed* weight_vector;
|
|
FT_Fixed* default_weight_vector;
|
|
|
|
PS_FontInfo font_infos[T1_MAX_MM_DESIGNS + 1];
|
|
PS_Private privates [T1_MAX_MM_DESIGNS + 1];
|
|
|
|
FT_ULong blend_bitflags;
|
|
|
|
FT_BBox* bboxes [T1_MAX_MM_DESIGNS + 1];
|
|
|
|
} PS_BlendRec, *PS_Blend;
|
|
|
|
|
|
/* backwards-compatible definition */
|
|
typedef PS_BlendRec T1_Blend;
|
|
|
|
|
|
typedef struct CID_FaceDictRec_
|
|
{
|
|
PS_PrivateRec 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_Vector font_offset;
|
|
|
|
FT_UInt num_subrs;
|
|
FT_ULong subrmap_offset;
|
|
FT_Int sd_bytes;
|
|
|
|
} CID_FaceDictRec, *CID_FaceDict;
|
|
|
|
|
|
/* backwards-compatible definition */
|
|
typedef CID_FaceDictRec CID_FontDict;
|
|
|
|
|
|
typedef struct CID_FaceInfoRec_
|
|
{
|
|
FT_String* cid_font_name;
|
|
FT_Fixed cid_version;
|
|
FT_Int cid_font_type;
|
|
|
|
FT_String* registry;
|
|
FT_String* ordering;
|
|
FT_Int supplement;
|
|
|
|
PS_FontInfoRec 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_FaceDict font_dicts;
|
|
|
|
FT_ULong data_offset;
|
|
|
|
} CID_FaceInfoRec, *CID_FaceInfo;
|
|
|
|
|
|
/*************************************************************************/
|
|
/* */
|
|
/* <Struct> */
|
|
/* CID_Info */
|
|
/* */
|
|
/* <Description> */
|
|
/* This type is equivalent to CID_FaceInfoRec. It is deprecated but */
|
|
/* kept to maintain source compatibility between various versions of */
|
|
/* FreeType. */
|
|
/* */
|
|
typedef CID_FaceInfoRec CID_Info;
|
|
|
|
/* */
|
|
|
|
|
|
/************************************************************************
|
|
*
|
|
* @function:
|
|
* FT_Has_PS_Glyph_Names
|
|
*
|
|
* @description:
|
|
* Return true if a given face provides reliable Postscript glyph
|
|
* names. This is similar to using the @FT_HAS_GLYPH_NAMES macro,
|
|
* except that certain fonts (mostly TrueType) contain incorrect
|
|
* glyph name tables.
|
|
*
|
|
* When this function returns true, the caller is sure that the glyph
|
|
* names returned by @FT_Get_Glyph_Name are reliable.
|
|
*
|
|
* @input:
|
|
* face ::
|
|
* face handle
|
|
*
|
|
* @return:
|
|
* Boolean. True if glyph names are reliable.
|
|
*/
|
|
FT_EXPORT( FT_Int )
|
|
FT_Has_PS_Glyph_Names( FT_Face face );
|
|
|
|
|
|
/************************************************************************
|
|
*
|
|
* @function:
|
|
* FT_Get_PS_Font_Info
|
|
*
|
|
* @description:
|
|
* Retrieve the @PS_FontInfoRec structure corresponding to a given
|
|
* Postscript font.
|
|
*
|
|
* @input:
|
|
* face ::
|
|
* Postscript face handle.
|
|
*
|
|
* @output:
|
|
* afont_info ::
|
|
* Output font info structure pointer.
|
|
*
|
|
* @return:
|
|
* FreeType error code. 0 means success.
|
|
*
|
|
* @note:
|
|
* The string pointers within the font info structure are owned by
|
|
* the face and don't need to be freed by the caller.
|
|
*
|
|
* If the font's format is not Postscript-based, this function will
|
|
* return the FT_Err_Invalid_Argument error code.
|
|
*/
|
|
FT_EXPORT( FT_Error )
|
|
FT_Get_PS_Font_Info( FT_Face face,
|
|
PS_FontInfoRec *afont_info );
|
|
|
|
|
|
/************************************************************************
|
|
*
|
|
* @function:
|
|
* FT_Get_PS_Font_Private
|
|
*
|
|
* @description:
|
|
* Retrieve the @PS_PrivateRec structure corresponding to a given
|
|
* Postscript font.
|
|
*
|
|
* @input:
|
|
* face ::
|
|
* Postscript face handle.
|
|
*
|
|
* @output:
|
|
* afont_private ::
|
|
* Output private dictionary structure pointer.
|
|
*
|
|
* @return:
|
|
* FreeType error code. 0 means success.
|
|
*
|
|
* @note:
|
|
* The string pointers within the font info structure are owned by
|
|
* the face and don't need to be freed by the caller.
|
|
*
|
|
* If the font's format is not Postscript-based, this function will
|
|
* return the FT_Err_Invalid_Argument error code.
|
|
*/
|
|
FT_EXPORT( FT_Error )
|
|
FT_Get_PS_Font_Private( FT_Face face,
|
|
PS_PrivateRec *afont_private );
|
|
|
|
/* */
|
|
|
|
|
|
|
|
FT_END_HEADER
|
|
|
|
#endif /* __T1TABLES_H__ */
|
|
|
|
|
|
/* END */
|