/***************************************************************************/ /* */ /* t1tables.h */ /* */ /* Basic Type 1/Type 2 tables definitions and interface (specification */ /* only). */ /* */ /* Copyright 1996-2001, 2002 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 #include FT_FREETYPE_H FT_BEGIN_HEADER /*************************************************************************/ /* */ /*
*/ /* type1_tables */ /* */ /* */ /* 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_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 blen 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_Fixed* 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; } 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: * returns true when 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: * 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 ); /* */ FT_END_HEADER #endif /* __T1TABLES_H__ */ /* END */