forked from minhngoc25a/freetype2
332 lines
7.9 KiB
C
332 lines
7.9 KiB
C
/****************************************************************************
|
|
*
|
|
* pfrtypes.h
|
|
*
|
|
* FreeType PFR data structures (specification only).
|
|
*
|
|
* Copyright (C) 2002-2022 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 PFRTYPES_H_
|
|
#define PFRTYPES_H_
|
|
|
|
#include <freetype/internal/ftobjs.h>
|
|
|
|
FT_BEGIN_HEADER
|
|
|
|
/************************************************************************/
|
|
|
|
/* the PFR Header structure */
|
|
typedef struct PFR_HeaderRec_
|
|
{
|
|
FT_UInt32 signature;
|
|
FT_UInt version;
|
|
FT_UInt signature2;
|
|
FT_UInt header_size;
|
|
|
|
FT_UInt log_dir_size;
|
|
FT_UInt log_dir_offset;
|
|
|
|
FT_UInt log_font_max_size;
|
|
FT_UInt32 log_font_section_size;
|
|
FT_UInt32 log_font_section_offset;
|
|
|
|
FT_UInt32 phy_font_max_size;
|
|
FT_UInt32 phy_font_section_size;
|
|
FT_UInt32 phy_font_section_offset;
|
|
|
|
FT_UInt gps_max_size;
|
|
FT_UInt32 gps_section_size;
|
|
FT_UInt32 gps_section_offset;
|
|
|
|
FT_UInt max_blue_values;
|
|
FT_UInt max_x_orus;
|
|
FT_UInt max_y_orus;
|
|
|
|
FT_UInt phy_font_max_size_high;
|
|
FT_UInt color_flags;
|
|
|
|
FT_UInt32 bct_max_size;
|
|
FT_UInt32 bct_set_max_size;
|
|
FT_UInt32 phy_bct_set_max_size;
|
|
|
|
FT_UInt num_phy_fonts;
|
|
FT_UInt max_vert_stem_snap;
|
|
FT_UInt max_horz_stem_snap;
|
|
FT_UInt max_chars;
|
|
|
|
} PFR_HeaderRec, *PFR_Header;
|
|
|
|
|
|
/* used in `color_flags' field of the PFR_Header */
|
|
#define PFR_FLAG_BLACK_PIXEL 0x01U
|
|
#define PFR_FLAG_INVERT_BITMAP 0x02U
|
|
|
|
|
|
/************************************************************************/
|
|
|
|
typedef struct PFR_LogFontRec_
|
|
{
|
|
FT_UInt32 size;
|
|
FT_UInt32 offset;
|
|
|
|
FT_Int32 matrix[4];
|
|
FT_UInt stroke_flags;
|
|
FT_Int stroke_thickness;
|
|
FT_Int bold_thickness;
|
|
FT_Int32 miter_limit;
|
|
|
|
FT_UInt32 phys_size;
|
|
FT_UInt32 phys_offset;
|
|
|
|
} PFR_LogFontRec, *PFR_LogFont;
|
|
|
|
|
|
#define PFR_LINE_JOIN_MITER 0x00U
|
|
#define PFR_LINE_JOIN_ROUND 0x01U
|
|
#define PFR_LINE_JOIN_BEVEL 0x02U
|
|
#define PFR_LINE_JOIN_MASK ( PFR_LINE_JOIN_ROUND | PFR_LINE_JOIN_BEVEL )
|
|
|
|
#define PFR_LOG_STROKE 0x04U
|
|
#define PFR_LOG_2BYTE_STROKE 0x08U
|
|
#define PFR_LOG_BOLD 0x10U
|
|
#define PFR_LOG_2BYTE_BOLD 0x20U
|
|
#define PFR_LOG_EXTRA_ITEMS 0x40U
|
|
|
|
|
|
/************************************************************************/
|
|
|
|
#define PFR_BITMAP_2BYTE_CHARCODE 0x01U
|
|
#define PFR_BITMAP_2BYTE_SIZE 0x02U
|
|
#define PFR_BITMAP_3BYTE_OFFSET 0x04U
|
|
|
|
/* not part of the specification but used for implementation */
|
|
#define PFR_BITMAP_CHARCODES_VALIDATED 0x40U
|
|
#define PFR_BITMAP_VALID_CHARCODES 0x80U
|
|
|
|
|
|
typedef struct PFR_BitmapCharRec_
|
|
{
|
|
FT_UInt char_code;
|
|
FT_UInt gps_size;
|
|
FT_UInt32 gps_offset;
|
|
|
|
} PFR_BitmapCharRec, *PFR_BitmapChar;
|
|
|
|
|
|
#define PFR_STRIKE_2BYTE_XPPM 0x01U
|
|
#define PFR_STRIKE_2BYTE_YPPM 0x02U
|
|
#define PFR_STRIKE_3BYTE_SIZE 0x04U
|
|
#define PFR_STRIKE_3BYTE_OFFSET 0x08U
|
|
#define PFR_STRIKE_2BYTE_COUNT 0x10U
|
|
|
|
|
|
typedef struct PFR_StrikeRec_
|
|
{
|
|
FT_UInt x_ppm;
|
|
FT_UInt y_ppm;
|
|
FT_UInt flags;
|
|
|
|
FT_UInt32 gps_size;
|
|
FT_UInt32 gps_offset;
|
|
|
|
FT_UInt32 bct_size;
|
|
FT_UInt32 bct_offset;
|
|
|
|
/* optional */
|
|
FT_UInt num_bitmaps;
|
|
PFR_BitmapChar bitmaps;
|
|
|
|
} PFR_StrikeRec, *PFR_Strike;
|
|
|
|
|
|
/************************************************************************/
|
|
|
|
typedef struct PFR_CharRec_
|
|
{
|
|
FT_UInt char_code;
|
|
FT_Int advance;
|
|
FT_UInt gps_size;
|
|
FT_UInt32 gps_offset;
|
|
|
|
} PFR_CharRec, *PFR_Char;
|
|
|
|
|
|
/************************************************************************/
|
|
|
|
typedef struct PFR_DimensionRec_
|
|
{
|
|
FT_UInt standard;
|
|
FT_UInt num_stem_snaps;
|
|
FT_Int* stem_snaps;
|
|
|
|
} PFR_DimensionRec, *PFR_Dimension;
|
|
|
|
/************************************************************************/
|
|
|
|
typedef struct PFR_KernItemRec_* PFR_KernItem;
|
|
|
|
typedef struct PFR_KernItemRec_
|
|
{
|
|
PFR_KernItem next;
|
|
FT_Byte pair_count;
|
|
FT_Byte flags;
|
|
FT_Short base_adj;
|
|
FT_UInt pair_size;
|
|
FT_Offset offset;
|
|
FT_UInt32 pair1;
|
|
FT_UInt32 pair2;
|
|
|
|
} PFR_KernItemRec;
|
|
|
|
|
|
#define PFR_KERN_INDEX( g1, g2 ) \
|
|
( ( (FT_UInt32)(g1) << 16 ) | (FT_UInt16)(g2) )
|
|
|
|
#define PFR_KERN_PAIR_INDEX( pair ) \
|
|
PFR_KERN_INDEX( (pair)->glyph1, (pair)->glyph2 )
|
|
|
|
#define PFR_NEXT_KPAIR( p ) ( p += 2, \
|
|
( (FT_UInt32)p[-2] << 16 ) | p[-1] )
|
|
|
|
|
|
/************************************************************************/
|
|
|
|
typedef struct PFR_PhyFontRec_
|
|
{
|
|
FT_Memory memory;
|
|
FT_UInt32 offset;
|
|
|
|
FT_UInt font_ref_number;
|
|
FT_UInt outline_resolution;
|
|
FT_UInt metrics_resolution;
|
|
FT_BBox bbox;
|
|
FT_UInt flags;
|
|
FT_Int standard_advance;
|
|
|
|
FT_Int ascent; /* optional, bbox.yMax if not present */
|
|
FT_Int descent; /* optional, bbox.yMin if not present */
|
|
FT_Int leading; /* optional, 0 if not present */
|
|
|
|
PFR_DimensionRec horizontal;
|
|
PFR_DimensionRec vertical;
|
|
|
|
FT_String* font_id;
|
|
FT_String* family_name;
|
|
FT_String* style_name;
|
|
|
|
FT_UInt num_strikes;
|
|
FT_UInt max_strikes;
|
|
PFR_StrikeRec* strikes;
|
|
|
|
FT_UInt num_blue_values;
|
|
FT_Int *blue_values;
|
|
FT_UInt blue_fuzz;
|
|
FT_UInt blue_scale;
|
|
|
|
FT_UInt num_chars;
|
|
FT_Offset chars_offset;
|
|
PFR_Char chars;
|
|
|
|
FT_UInt num_kern_pairs;
|
|
PFR_KernItem kern_items;
|
|
PFR_KernItem* kern_items_tail;
|
|
|
|
/* not part of the spec, but used during load */
|
|
FT_ULong bct_offset;
|
|
FT_Byte* cursor;
|
|
|
|
} PFR_PhyFontRec, *PFR_PhyFont;
|
|
|
|
|
|
#define PFR_PHY_VERTICAL 0x01U
|
|
#define PFR_PHY_2BYTE_CHARCODE 0x02U
|
|
#define PFR_PHY_PROPORTIONAL 0x04U
|
|
#define PFR_PHY_ASCII_CODE 0x08U
|
|
#define PFR_PHY_2BYTE_GPS_SIZE 0x10U
|
|
#define PFR_PHY_3BYTE_GPS_OFFSET 0x20U
|
|
#define PFR_PHY_EXTRA_ITEMS 0x80U
|
|
|
|
|
|
#define PFR_KERN_2BYTE_CHAR 0x01U
|
|
#define PFR_KERN_2BYTE_ADJ 0x02U
|
|
|
|
|
|
/************************************************************************/
|
|
|
|
#define PFR_GLYPH_YCOUNT 0x01U
|
|
#define PFR_GLYPH_XCOUNT 0x02U
|
|
#define PFR_GLYPH_1BYTE_XYCOUNT 0x04U
|
|
|
|
#define PFR_GLYPH_SINGLE_EXTRA_ITEMS 0x08U
|
|
#define PFR_GLYPH_COMPOUND_EXTRA_ITEMS 0x40U
|
|
|
|
#define PFR_GLYPH_IS_COMPOUND 0x80U
|
|
|
|
|
|
/* controlled coordinate */
|
|
typedef struct PFR_CoordRec_
|
|
{
|
|
FT_UInt org;
|
|
FT_UInt cur;
|
|
|
|
} PFR_CoordRec, *PFR_Coord;
|
|
|
|
|
|
typedef struct PFR_SubGlyphRec_
|
|
{
|
|
FT_Fixed x_scale;
|
|
FT_Fixed y_scale;
|
|
FT_Int x_delta;
|
|
FT_Int y_delta;
|
|
FT_UInt32 gps_offset;
|
|
FT_UInt gps_size;
|
|
|
|
} PFR_SubGlyphRec, *PFR_SubGlyph;
|
|
|
|
|
|
#define PFR_SUBGLYPH_XSCALE 0x10U
|
|
#define PFR_SUBGLYPH_YSCALE 0x20U
|
|
#define PFR_SUBGLYPH_2BYTE_SIZE 0x40U
|
|
#define PFR_SUBGLYPH_3BYTE_OFFSET 0x80U
|
|
|
|
|
|
typedef struct PFR_GlyphRec_
|
|
{
|
|
FT_Byte format;
|
|
|
|
#if 0
|
|
FT_UInt num_x_control;
|
|
FT_UInt num_y_control;
|
|
#endif
|
|
FT_UInt max_xy_control;
|
|
FT_Pos* x_control;
|
|
FT_Pos* y_control;
|
|
|
|
|
|
FT_UInt num_subs;
|
|
FT_UInt max_subs;
|
|
PFR_SubGlyphRec* subs;
|
|
|
|
FT_GlyphLoader loader;
|
|
FT_Bool path_begun;
|
|
|
|
} PFR_GlyphRec, *PFR_Glyph;
|
|
|
|
|
|
FT_END_HEADER
|
|
|
|
#endif /* PFRTYPES_H_ */
|
|
|
|
|
|
/* END */
|