ref: 6c5522c6f843532e7a1e86f79856d703349f5e94
dir: /src/pcf/pcf.h/
/* pcf.h
FreeType font driver for pcf fonts
Copyright (C) 2000, 2001, 2002, 2003, 2006, 2010 by
Francesco Zappa Nardelli
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/
#ifndef PCF_H_
#define PCF_H_
#include <freetype/internal/ftdrv.h>
#include <freetype/internal/ftstream.h>
FT_BEGIN_HEADER
typedef struct PCF_TableRec_
{
FT_ULong type;
FT_ULong format;
FT_ULong size;
FT_ULong offset;
} PCF_TableRec, *PCF_Table;
typedef struct PCF_TocRec_
{
FT_ULong version;
FT_ULong count;
PCF_Table tables;
} PCF_TocRec, *PCF_Toc;
typedef struct PCF_ParsePropertyRec_
{
FT_Long name;
FT_Byte isString;
FT_Long value;
} PCF_ParsePropertyRec, *PCF_ParseProperty;
typedef struct PCF_PropertyRec_
{
FT_String* name;
FT_Byte isString;
union
{
FT_String* atom;
FT_Long l;
FT_ULong ul;
} value;
} PCF_PropertyRec, *PCF_Property;
typedef struct PCF_Compressed_MetricRec_
{
FT_Byte leftSideBearing;
FT_Byte rightSideBearing;
FT_Byte characterWidth;
FT_Byte ascent;
FT_Byte descent;
} PCF_Compressed_MetricRec, *PCF_Compressed_Metric;
typedef struct PCF_MetricRec_
{
FT_Short leftSideBearing;
FT_Short rightSideBearing;
FT_Short characterWidth;
FT_Short ascent;
FT_Short descent;
FT_Short attributes;
FT_ULong bits; /* offset into the PCF_BITMAPS table */
} PCF_MetricRec, *PCF_Metric;
typedef struct PCF_EncRec_
{
FT_UShort firstCol;
FT_UShort lastCol;
FT_UShort firstRow;
FT_UShort lastRow;
FT_UShort defaultChar;
FT_UShort* offset;
} PCF_EncRec, *PCF_Enc;
typedef struct PCF_AccelRec_
{
FT_Byte noOverlap;
FT_Byte constantMetrics;
FT_Byte terminalFont;
FT_Byte constantWidth;
FT_Byte inkInside;
FT_Byte inkMetrics;
FT_Byte drawDirection;
FT_Long fontAscent;
FT_Long fontDescent;
FT_Long maxOverlap;
PCF_MetricRec minbounds;
PCF_MetricRec maxbounds;
PCF_MetricRec ink_minbounds;
PCF_MetricRec ink_maxbounds;
} PCF_AccelRec, *PCF_Accel;
/*
* This file uses X11 terminology for PCF data; an `encoding' in X11 speak
* is the same as a `character code' in FreeType speak.
*/
typedef struct PCF_FaceRec_
{
FT_FaceRec root;
FT_StreamRec comp_stream;
FT_Stream comp_source;
char* charset_encoding;
char* charset_registry;
PCF_TocRec toc;
PCF_AccelRec accel;
int nprops;
PCF_Property properties;
FT_ULong nmetrics;
PCF_Metric metrics;
PCF_EncRec enc;
FT_ULong bitmapsFormat;
} PCF_FaceRec, *PCF_Face;
typedef struct PCF_DriverRec_
{
FT_DriverRec root;
FT_Bool no_long_family_names;
} PCF_DriverRec, *PCF_Driver;
/* macros for pcf font format */
#define LSBFirst 0
#define MSBFirst 1
#define PCF_FILE_VERSION ( ( 'p' << 24 ) | \
( 'c' << 16 ) | \
( 'f' << 8 ) | 1 )
#define PCF_FORMAT_MASK 0xFFFFFF00UL
#define PCF_DEFAULT_FORMAT 0x00000000UL
#define PCF_INKBOUNDS 0x00000200UL
#define PCF_ACCEL_W_INKBOUNDS 0x00000100UL
#define PCF_COMPRESSED_METRICS 0x00000100UL
#define PCF_FORMAT_MATCH( a, b ) \
( ( (a) & PCF_FORMAT_MASK ) == ( (b) & PCF_FORMAT_MASK ) )
#define PCF_GLYPH_PAD_MASK ( 3 << 0 )
#define PCF_BYTE_MASK ( 1 << 2 )
#define PCF_BIT_MASK ( 1 << 3 )
#define PCF_SCAN_UNIT_MASK ( 3 << 4 )
#define PCF_BYTE_ORDER( f ) \
( ( (f) & PCF_BYTE_MASK ) ? MSBFirst : LSBFirst )
#define PCF_BIT_ORDER( f ) \
( ( (f) & PCF_BIT_MASK ) ? MSBFirst : LSBFirst )
#define PCF_GLYPH_PAD_INDEX( f ) \
( (f) & PCF_GLYPH_PAD_MASK )
#define PCF_GLYPH_PAD( f ) \
( 1 << PCF_GLYPH_PAD_INDEX( f ) )
#define PCF_SCAN_UNIT_INDEX( f ) \
( ( (f) & PCF_SCAN_UNIT_MASK ) >> 4 )
#define PCF_SCAN_UNIT( f ) \
( 1 << PCF_SCAN_UNIT_INDEX( f ) )
#define PCF_FORMAT_BITS( f ) \
( (f) & ( PCF_GLYPH_PAD_MASK | \
PCF_BYTE_MASK | \
PCF_BIT_MASK | \
PCF_SCAN_UNIT_MASK ) )
#define PCF_SIZE_TO_INDEX( s ) ( (s) == 4 ? 2 : (s) == 2 ? 1 : 0 )
#define PCF_INDEX_TO_SIZE( b ) ( 1 << b )
#define PCF_FORMAT( bit, byte, glyph, scan ) \
( ( PCF_SIZE_TO_INDEX( scan ) << 4 ) | \
( ( (bit) == MSBFirst ? 1 : 0 ) << 3 ) | \
( ( (byte) == MSBFirst ? 1 : 0 ) << 2 ) | \
( PCF_SIZE_TO_INDEX( glyph ) << 0 ) )
#define PCF_PROPERTIES ( 1 << 0 )
#define PCF_ACCELERATORS ( 1 << 1 )
#define PCF_METRICS ( 1 << 2 )
#define PCF_BITMAPS ( 1 << 3 )
#define PCF_INK_METRICS ( 1 << 4 )
#define PCF_BDF_ENCODINGS ( 1 << 5 )
#define PCF_SWIDTHS ( 1 << 6 )
#define PCF_GLYPH_NAMES ( 1 << 7 )
#define PCF_BDF_ACCELERATORS ( 1 << 8 )
#define GLYPHPADOPTIONS 4 /* I'm not sure about this */
FT_LOCAL( FT_Error )
pcf_load_font( FT_Stream stream,
PCF_Face face,
FT_Long face_index );
FT_END_HEADER
#endif /* PCF_H_ */
/* END */