/**************************************************************************** * * t1types.h * * Basic Type1/Type2 type definitions and interface (specification * only). * * Copyright (C) 1996-2024 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 T1TYPES_H_ #define T1TYPES_H_ #include #include #include #include #include FT_BEGIN_HEADER /*************************************************************************/ /*************************************************************************/ /*************************************************************************/ /*** ***/ /*** ***/ /*** REQUIRED TYPE1/TYPE2 TABLES DEFINITIONS ***/ /*** ***/ /*** ***/ /*************************************************************************/ /*************************************************************************/ /*************************************************************************/ /************************************************************************** * * @struct: * T1_EncodingRec * * @description: * A structure modeling a custom encoding. * * @fields: * num_chars :: * The number of character codes in the encoding. Usually 256. * * code_first :: * The lowest valid character code in the encoding. * * code_last :: * The highest valid character code in the encoding + 1. When equal to * code_first there are no valid character codes. * * char_index :: * An array of corresponding glyph indices. * * char_name :: * An array of corresponding glyph names. */ typedef struct T1_EncodingRecRec_ { FT_Int num_chars; FT_Int code_first; FT_Int code_last; FT_UShort* char_index; const FT_String** char_name; } T1_EncodingRec, *T1_Encoding; /* used to hold extra data of PS_FontInfoRec that * cannot be stored in the publicly defined structure. * * Note these can't be blended with multiple-masters. */ typedef struct PS_FontExtraRec_ { FT_UShort fs_type; } PS_FontExtraRec; typedef struct T1_FontRec_ { PS_FontInfoRec font_info; /* font info dictionary */ PS_FontExtraRec font_extra; /* font info extra fields */ PS_PrivateRec private_dict; /* private dictionary */ FT_String* font_name; /* top-level dictionary */ T1_EncodingType encoding_type; T1_EncodingRec encoding; FT_Byte* subrs_block; FT_Byte* charstrings_block; FT_Byte* glyph_names_block; FT_Int num_subrs; FT_Byte** subrs; FT_UInt* subrs_len; FT_Hash subrs_hash; FT_Int num_glyphs; FT_String** glyph_names; /* array of glyph names */ FT_Byte** charstrings; /* array of glyph charstrings */ FT_UInt* charstrings_len; FT_Byte paint_type; FT_Byte font_type; FT_Matrix font_matrix; FT_Vector font_offset; FT_BBox font_bbox; FT_Long font_id; FT_Fixed stroke_width; } T1_FontRec, *T1_Font; typedef struct CID_SubrsRec_ { FT_Int num_subrs; FT_Byte** code; } CID_SubrsRec, *CID_Subrs; /* 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; /* backward 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]; /* since 2.3.0 */ /* undocumented, optional: the default design instance; */ /* corresponds to default_weight_vector -- */ /* num_default_design_vector == 0 means it is not present */ /* in the font and associated metrics files */ FT_UInt default_design_vector[T1_MAX_MM_DESIGNS]; FT_UInt num_default_design_vector; } PS_BlendRec, *PS_Blend; /* backward compatible definition */ typedef PS_BlendRec T1_Blend; /*************************************************************************/ /*************************************************************************/ /*************************************************************************/ /*** ***/ /*** ***/ /*** AFM FONT INFORMATION STRUCTURES ***/ /*** ***/ /*** ***/ /*************************************************************************/ /*************************************************************************/ /*************************************************************************/ typedef struct AFM_TrackKernRec_ { FT_Int degree; FT_Fixed min_ptsize; FT_Fixed min_kern; FT_Fixed max_ptsize; FT_Fixed max_kern; } AFM_TrackKernRec, *AFM_TrackKern; typedef struct AFM_KernPairRec_ { FT_UInt index1; FT_UInt index2; FT_Int x; FT_Int y; } AFM_KernPairRec, *AFM_KernPair; typedef struct AFM_FontInfoRec_ { FT_Bool IsCIDFont; FT_BBox FontBBox; FT_Fixed Ascender; /* optional, mind the zero */ FT_Fixed Descender; /* optional, mind the zero */ AFM_TrackKern TrackKerns; /* free if non-NULL */ FT_UInt NumTrackKern; AFM_KernPair KernPairs; /* free if non-NULL */ FT_UInt NumKernPair; } AFM_FontInfoRec, *AFM_FontInfo; /*************************************************************************/ /*************************************************************************/ /*************************************************************************/ /*** ***/ /*** ***/ /*** ORIGINAL T1_FACE CLASS DEFINITION ***/ /*** ***/ /*** ***/ /*************************************************************************/ /*************************************************************************/ /*************************************************************************/ typedef struct T1_FaceRec_* T1_Face; typedef struct CID_FaceRec_* CID_Face; typedef struct T1_FaceRec_ { FT_FaceRec root; T1_FontRec type1; const void* psnames; const void* psaux; const void* afm_data; FT_CharMapRec charmaprecs[2]; FT_CharMap charmaps[2]; /* support for Multiple Masters fonts */ PS_Blend blend; /* undocumented, optional: indices of subroutines that express */ /* the NormalizeDesignVector and the ConvertDesignVector procedure, */ /* respectively, as Type 2 charstrings; -1 if keywords not present */ FT_Int ndv_idx; FT_Int cdv_idx; /* undocumented, optional: has the same meaning as len_buildchar */ /* for Type 2 fonts; manipulated by othersubrs 19, 24, and 25 */ FT_UInt len_buildchar; FT_Long* buildchar; /* since version 2.1 - interface to PostScript hinter */ const void* pshinter; } T1_FaceRec; typedef struct CID_FaceRec_ { FT_FaceRec root; void* psnames; void* psaux; CID_FaceInfoRec cid; PS_FontExtraRec font_extra; #if 0 void* afm_data; #endif CID_Subrs subrs; /* since version 2.1 - interface to PostScript hinter */ void* pshinter; /* since version 2.1.8, but was originally positioned after `afm_data' */ FT_Byte* binary_data; /* used if hex data has been converted */ FT_Stream cid_stream; } CID_FaceRec; FT_END_HEADER #endif /* T1TYPES_H_ */ /* END */