kc3-lang/freetype/src/shared/t1types.h
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Hash : 5dc8aba7
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Date : 2000-02-10T17:01:24
some modifications used to introduce the Type 1 AFM parser and psnames module
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src/shared/t1types.h
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/******************************************************************* * * t1types.h 1.0 * * Basic Type1/Type2 type definitions and interface. * * This code is shared by the Type1 and Type2 drivers * * * 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 T1TYPES_H #define T1TYPES_H #include <freetype.h> #include <psnames.h> #ifdef __cplusplus extern "C" { #endif /*************************************************************************/ /*************************************************************************/ /*************************************************************************/ /*** ***/ /*** ***/ /*** DEFINITIONS OF BASIC DATA TYPES ***/ /*** ***/ /*** ***/ /*************************************************************************/ /*************************************************************************/ /*************************************************************************/ /* The REDEFINE macro is used to convert a FreeType generic type into */ /* a TrueType-specific one. It simply replaces the "FT_" prefix by "T1_" */ /* in order to define compatible T1_Long, T1_Error, T1_Outline, etc.. */ /* */ #undef REDEFINE #define REDEFINE( type ) typedef FT_##type T1_##type /* <Type> T1_Bool */ /* */ /* <Description> */ /* A simple typedef of unsigned char, used for simple booleans. */ /* */ REDEFINE( Bool ); /* <Type> T1_FWord */ /* */ /* <Description> */ /* a signed 16-bit integer used to store a distance in original */ /* font units. */ /* */ REDEFINE( FWord ); /* <Type> T1_UFWord */ /* */ /* <Description> */ /* an unsigned 16-bit integer used to store a distance in original */ /* font units. */ /* */ REDEFINE( UFWord ); /* <Type> T1_Char */ /* */ /* <Description> */ /* a simple typedef for the _signed_ char type. */ /* */ REDEFINE( Char ); /* <Type> T1_Byte */ /* */ /* <Description> */ /* a simple typedef for the _unsigned_ char type. */ /* */ REDEFINE( Byte ); /* <Type> T1_String */ /* */ /* <Description> */ /* a simple typedef for the char type, used for strings usually. */ /* */ REDEFINE( String ); /* <Type> T1_Short */ /* */ /* <Description> */ /* a typedef for signed short */ /* */ REDEFINE( Short ); /* <Type> T1_UShort */ /* */ /* <Description> */ /* a typedef for unsigned short */ /* */ REDEFINE( UShort ); /* <Type> FT_Int */ /* */ /* <Description> */ /* a typedef for the int type */ /* */ REDEFINE( Int ); /* <Type> FT_UInt */ /* */ /* <Description> */ /* a typedef for the unsigned int type */ /* */ REDEFINE( UInt ); /* <Type> T1_Long */ /* */ /* <Description> */ /* a typedef for signed long */ /* */ REDEFINE( Long ); /* <Type> T1_ULong */ /* */ /* <Description> */ /* a typedef for unsigned long */ /* */ REDEFINE( ULong ); /* <Type> T1_F2Dot14 */ /* */ /* <Description> */ /* a signed 2.14 fixed float used for unit vectors */ /* */ REDEFINE( F2Dot14 ); /* <Type> T1_F26Dot6 */ /* */ /* <Description> */ /* a signed 26.6 fixed float used for vectorial pixel coordinates */ /* */ REDEFINE( F26Dot6 ); /* <Type> T1_Fixed */ /* */ /* <Description> */ /* This type is used to store 16.16 fixed float values, like */ /* scales or matrix coefficients.. */ /* */ REDEFINE( Fixed ); /* <Type> T1_Pos */ /* */ /* <Description> */ /* The type T1_Pos is a 32-bits integer used to store vectorial */ /* coordinates. Depending on the context, these can represent */ /* distances in integer font units, or 26.6 fixed float pixel */ /* coordinates.. */ /* */ REDEFINE( Pos ); /* <Struct> T1_Vector */ /* */ /* <Description> */ /* A simple structure used to store a 2d vector, coordinates */ /* are of the T1_Pos type. */ /* */ /* <Fields> */ /* x :: horizontal coordinate */ /* y :: vertical coordinate */ /* */ REDEFINE( Vector ); /* <Struct> T1_UnitVector */ /* */ /* <Description> */ /* A simple structure used to store a 2d vector unit vector. */ /* uses T1_F2Dot14 types. */ /* */ /* <Fields> */ /* x :: horizontal coordinate */ /* y :: vertical coordinate */ /* */ REDEFINE( UnitVector ); /* <Struct> T1_Matrix */ /* */ /* <Description> */ /* A simple structure used to store a 2x2 matrix. Coefficients */ /* are in 16.16 fixed float format. The computation performed */ /* is : */ /* { */ /* x' = x*xx + y*xy */ /* y' = x*yx + y*yy */ /* } */ /* */ /* <Fields> */ /* xx :: matrix coefficient */ /* xy :: matrix coefficient */ /* yx :: matrix coefficient */ /* yy :: matrix coefficient */ /* */ REDEFINE( Matrix ); /* <Struct> T1_BBox */ /* */ /* <Description> */ /* A structure used to hold an outline's bounding box, i.e. */ /* the coordinates of its extrema in the horizontal and vertical */ /* directions. */ /* */ /* <Fields> */ /* xMin :: the horizontal minimum (left-most) */ /* yMin :: the vertical minimum (bottom-most) */ /* xMax :: the horizontal maximum (right-most) */ /* yMax :: the vertical maximum (top-most) */ /* */ REDEFINE( BBox ); /* <Type> T1_Error */ /* */ /* <Description> */ /* The FreeType error code type. A value of 0 is always */ /* interpreted as a succesful operation. */ /* */ REDEFINE( Error ); /*************************************************************************/ /*************************************************************************/ /*************************************************************************/ /*** ***/ /*** ***/ /*** REQUIRED TYPE1/TYPE2 TABLES DEFINITIONS ***/ /*** ***/ /*** ***/ /*************************************************************************/ /*************************************************************************/ /*************************************************************************/ /***********************************************************************/ /* */ /* <Struct> T1_Encoding */ /* */ /* <Description> */ /* A structure modeling a custom encoding */ /* */ /* <Fields> */ /* num_chars :: number of char codes in encoding. Usually 256 */ /* code_first :: lower char code in encoding */ /* code_last :: higher char code in encoding */ /* */ /* char_code :: array of character codes */ /* char_index :: array of correpsonding glyph indices */ /* char_name :: array of correpsonding glyph names */ /* */ typedef struct T1_Encoding_ { T1_Int num_chars; T1_Int code_first; T1_Int code_last; T1_UShort* char_index; T1_String** char_name; } T1_Encoding; typedef enum T1_EncodingType_ { t1_encoding_none = 0, t1_encoding_array, t1_encoding_standard, t1_encoding_expert } T1_EncodingType; typedef struct T1_Font_ { /* font info dictionary */ T1_String* version; T1_String* notice; T1_String* full_name; T1_String* family_name; T1_String* weight; T1_Long italic_angle; T1_Bool is_fixed_pitch; T1_Short underline_position; T1_UShort underline_thickness; /* private dictionary */ T1_Int unique_id; T1_Int lenIV; T1_Byte num_blues; T1_Byte num_other_blues; T1_Byte num_family_blues; T1_Byte num_family_other_blues; T1_Short blue_values[14]; T1_Short other_blues[10]; T1_Short family_blues [14]; T1_Short family_other_blues[10]; T1_Fixed blue_scale; T1_Int blue_shift; T1_Int blue_fuzz; T1_UShort standard_width; T1_UShort standard_height; T1_Byte num_snap_widths; T1_Byte num_snap_heights; T1_Bool force_bold; T1_Bool round_stem_up; T1_Short stem_snap_widths [13]; /* reserve one place for the std */ T1_Short stem_snap_heights[13]; /* reserve one place for the std */ T1_Long language_group; T1_Long password; T1_Short min_feature[2]; /* top-level dictionary */ FT_String* font_name; T1_EncodingType encoding_type; T1_Encoding encoding; T1_Byte* subrs_block; T1_Byte* charstrings_block; T1_Byte* glyph_names_block; T1_Int num_subrs; T1_Byte** subrs; T1_Int* subrs_len; T1_Int num_glyphs; T1_String** glyph_names; /* array of glyph names */ T1_Byte** charstrings; /* array of glyph charstrings */ T1_Int* charstrings_len; T1_Byte paint_type; T1_Byte font_type; T1_Matrix font_matrix; T1_BBox font_bbox; T1_Long font_id; T1_Int stroke_width; } T1_Font; /*************************************************************************/ /*************************************************************************/ /*************************************************************************/ /*** ***/ /*** ***/ /*** ORIGINAL T1_FACE CLASS DEFINITION ***/ /*** ***/ /*** ***/ /*************************************************************************/ /*************************************************************************/ /*************************************************************************/ /*** ***/ /*** ***/ /*** This structure/class is defined here because it is common ***/ /*** to the following formats : TTF, OpenType-TT and OpenType-CFF ***/ /*** ***/ /*** Note however that the classes TT_Size, TT_GlyphSlot and ***/ /*** TT_CharMap are not shared between font drivers, and are ***/ /*** thus defined normally in "drivers/truetype/ttobjs.h" ***/ /*** ***/ /*** ***/ /*************************************************************************/ /*************************************************************************/ /*************************************************************************/ typedef struct T1_FaceRec_* T1_Face; /***************************************************/ /* */ /* T1_Face : */ /* */ /* Type1 face record.. */ /* */ typedef struct T1_FaceRec_ { FT_FaceRec root; T1_Font type1; void* psnames; void* afm_data; FT_CharMapRec charmaprecs[2]; FT_CharMap charmaps[2]; PS_Unicodes unicode_map; } T1_FaceRec; #endif /* T1TYPES_H */