| /******************************************************************* |
| * |
| * 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 */ |
