ref: 99a4d93b2d05ef1817ca4ac68956178b86606c02
dir: /src/shared/t1types.h/
/*******************************************************************
*
* 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 */