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450 lines
16 KiB
450 lines
16 KiB
/***************************************************************************/ |
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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, 2002, 2003, 2004, 2006 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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#ifdef FREETYPE_H |
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#error "freetype.h of FreeType 1 has been loaded!" |
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#error "Please fix the directory search order for header files" |
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#error "so that freetype.h of FreeType 2 is found first." |
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#endif |
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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 PS_FontInfoRec and PS_PrivateRec */ |
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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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/* PS_FontInfoRec */ |
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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 dictionary. */ |
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/* */ |
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typedef struct PS_FontInfoRec |
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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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} PS_FontInfoRec, *PS_FontInfo; |
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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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/* This type is equivalent to @PS_FontInfoRec. It is deprecated but */ |
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/* kept to maintain source compatibility between various versions of */ |
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/* FreeType. */ |
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/* */ |
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typedef PS_FontInfoRec T1_FontInfo; |
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/*************************************************************************/ |
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/* */ |
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/* <Struct> */ |
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/* PS_PrivateRec */ |
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/* */ |
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/* <Description> */ |
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/* A structure used to model a Type1/Type2 private dictionary. Note */ |
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/* that for Multiple Master fonts, each instance has its own Private */ |
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/* dictionary. */ |
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/* */ |
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typedef struct PS_PrivateRec_ |
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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_Fixed expansion_factor; |
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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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} PS_PrivateRec, *PS_Private; |
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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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/* This type is equivalent to @PS_PrivateRec. It is deprecated but */ |
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/* kept to maintain source compatibility between various versions of */ |
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/* FreeType. */ |
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/* */ |
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typedef PS_PrivateRec 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 blend 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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/* */ |
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/*# backwards compatible definitions */ |
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#define t1_blend_underline_position T1_BLEND_UNDERLINE_POSITION |
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#define t1_blend_underline_thickness T1_BLEND_UNDERLINE_THICKNESS |
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#define t1_blend_italic_angle T1_BLEND_ITALIC_ANGLE |
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#define t1_blend_blue_values T1_BLEND_BLUE_VALUES |
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#define t1_blend_other_blues T1_BLEND_OTHER_BLUES |
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#define t1_blend_standard_widths T1_BLEND_STANDARD_WIDTH |
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#define t1_blend_standard_height T1_BLEND_STANDARD_HEIGHT |
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#define t1_blend_stem_snap_widths T1_BLEND_STEM_SNAP_WIDTHS |
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#define t1_blend_stem_snap_heights T1_BLEND_STEM_SNAP_HEIGHTS |
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#define t1_blend_blue_scale T1_BLEND_BLUE_SCALE |
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#define t1_blend_blue_shift T1_BLEND_BLUE_SHIFT |
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#define t1_blend_family_blues T1_BLEND_FAMILY_BLUES |
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#define t1_blend_family_other_blues T1_BLEND_FAMILY_OTHER_BLUES |
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#define t1_blend_force_bold T1_BLEND_FORCE_BOLD |
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#define t1_blend_max T1_BLEND_MAX |
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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 PS_DesignMap_ |
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{ |
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FT_Byte num_points; |
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FT_Long* design_points; |
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FT_Fixed* blend_points; |
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} PS_DesignMapRec, *PS_DesignMap; |
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/* backwards-compatible definition */ |
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typedef PS_DesignMapRec T1_DesignMap; |
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typedef struct PS_BlendRec_ |
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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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PS_DesignMapRec 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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PS_FontInfo font_infos[T1_MAX_MM_DESIGNS + 1]; |
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PS_Private privates [T1_MAX_MM_DESIGNS + 1]; |
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FT_ULong blend_bitflags; |
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FT_BBox* bboxes [T1_MAX_MM_DESIGNS + 1]; |
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/* since 2.3.0 */ |
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/* undocumented, optional: the default design instance; */ |
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/* corresponds to default_weight_vector -- */ |
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/* num_default_design_vector == 0 means it is not present */ |
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/* in the font and associated metrics files */ |
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FT_UInt default_design_vector[T1_MAX_MM_DESIGNS]; |
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FT_UInt num_default_design_vector; |
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} PS_BlendRec, *PS_Blend; |
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/* backwards-compatible definition */ |
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typedef PS_BlendRec T1_Blend; |
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typedef struct CID_FaceDictRec_ |
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{ |
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PS_PrivateRec 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_FaceDictRec, *CID_FaceDict; |
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/* backwards-compatible definition */ |
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typedef CID_FaceDictRec CID_FontDict; |
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/*************************************************************************/ |
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/* */ |
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/* <Struct> */ |
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/* CID_FaceInfoRec */ |
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/* */ |
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/* <Description> */ |
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/* A structure used to represent CID Face information. */ |
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/* */ |
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typedef struct CID_FaceInfoRec_ |
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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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PS_FontInfoRec 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_FaceDict font_dicts; |
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FT_ULong data_offset; |
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} CID_FaceInfoRec, *CID_FaceInfo; |
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/*************************************************************************/ |
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/* */ |
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/* <Struct> */ |
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/* CID_Info */ |
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/* */ |
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/* <Description> */ |
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/* This type is equivalent to @CID_FaceInfoRec. It is deprecated but */ |
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/* kept to maintain source compatibility between various versions of */ |
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/* FreeType. */ |
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/* */ |
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typedef CID_FaceInfoRec CID_Info; |
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/* */ |
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/************************************************************************ |
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* |
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* @function: |
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* FT_Has_PS_Glyph_Names |
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* |
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* @description: |
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* Return true if a given face provides reliable Postscript glyph |
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* names. This is similar to using the @FT_HAS_GLYPH_NAMES macro, |
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* except that certain fonts (mostly TrueType) contain incorrect |
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* glyph name tables. |
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* |
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* When this function returns true, the caller is sure that the glyph |
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* names returned by @FT_Get_Glyph_Name are reliable. |
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* |
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* @input: |
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* face :: |
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* face handle |
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* |
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* @return: |
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* Boolean. True if glyph names are reliable. |
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*/ |
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FT_EXPORT( FT_Int ) |
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FT_Has_PS_Glyph_Names( FT_Face face ); |
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/************************************************************************ |
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* |
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* @function: |
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* FT_Get_PS_Font_Info |
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* |
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* @description: |
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* Retrieve the @PS_FontInfoRec structure corresponding to a given |
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* Postscript font. |
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* |
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* @input: |
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* face :: |
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* Postscript face handle. |
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* |
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* @output: |
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* afont_info :: |
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* Output font info structure pointer. |
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* |
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* @return: |
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* FreeType error code. 0 means success. |
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* |
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* @note: |
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* The string pointers within the font info structure are owned by |
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* the face and don't need to be freed by the caller. |
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* |
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* If the font's format is not Postscript-based, this function will |
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* return the `FT_Err_Invalid_Argument' error code. |
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*/ |
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FT_EXPORT( FT_Error ) |
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FT_Get_PS_Font_Info( FT_Face face, |
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PS_FontInfoRec *afont_info ); |
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/************************************************************************ |
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* |
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* @function: |
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* FT_Get_PS_Font_Private |
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* |
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* @description: |
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* Retrieve the @PS_PrivateRec structure corresponding to a given |
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* Postscript font. |
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* |
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* @input: |
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* face :: |
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* Postscript face handle. |
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* |
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* @output: |
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* afont_private :: |
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* Output private dictionary structure pointer. |
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* |
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* @return: |
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* FreeType error code. 0 means success. |
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* |
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* @note: |
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* The string pointers within the font info structure are owned by |
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* the face and don't need to be freed by the caller. |
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* |
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* If the font's format is not Postscript-based, this function will |
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* return the `FT_Err_Invalid_Argument' error code. |
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*/ |
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FT_EXPORT( FT_Error ) |
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FT_Get_PS_Font_Private( FT_Face face, |
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PS_PrivateRec *afont_private ); |
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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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