forked from minhngoc25a/freetype2
399 lines
19 KiB
C
399 lines
19 KiB
C
/*******************************************************************
|
|
*
|
|
* 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 <t1tables.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_FontInfo font_info;
|
|
|
|
/* private dictionary */
|
|
T1_Private private_dict;
|
|
|
|
/* 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 */
|