ref: f8220925c970faf6d0e71a8f89b0aa81b1111656
dir: /src/pcf/pcf.h/
/* pcf.h
FreeType font driver for pcf fonts
Copyright (C) 2000 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 <ft2build.h>
#include FT_INTERNAL_DRIVER_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_ParseProperty_
{
FT_Long name;
FT_Byte isString;
FT_Long value;
} PCF_ParsePropertyRec, *PCF_ParseProperty;
typedef struct PCF_Property_
{
FT_String* name;
FT_Byte isString;
union
{
FT_String* atom;
FT_Long integer;
FT_ULong cardinal;
} value;
} PCF_PropertyRec, *PCF_Property;
typedef struct PCF_Compressed_Metric_
{
FT_Byte leftSideBearing;
FT_Byte rightSideBearing;
FT_Byte characterWidth;
FT_Byte ascent;
FT_Byte descent;
} PCF_Compressed_MetricRec, *PCF_Compressed_Metric;
typedef struct PCF_Metric_
{
FT_Short leftSideBearing;
FT_Short rightSideBearing;
FT_Short characterWidth;
FT_Short ascent;
FT_Short descent;
FT_Short attributes;
FT_ULong bits;
} PCF_MetricRec, *PCF_Metric;
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;
typedef struct PCD_Encoding_
{
FT_Long enc;
FT_Short glyph;
} PCF_EncodingRec, *PCF_Encoding;
typedef struct PCF_FaceRec_
{
FT_FaceRec root;
char* charset_encoding;
char* charset_registry;
PCF_TocRec toc;
PCF_AccelRec accel;
int nprops;
PCF_Property properties;
FT_Long nmetrics;
PCF_Metric metrics;
FT_Long nencodings;
PCF_Encoding encodings;
FT_Short defaultChar;
FT_ULong bitmapsFormat;
FT_CharMap charmap_handle;
FT_CharMapRec charmap; /* a single charmap per face */
} PCF_FaceRec, *PCF_Face;
/* XXX hack */
static
FT_Error PCF_Done_Face( PCF_Face face );
/* 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 0xFFFFFF00L
#define PCF_DEFAULT_FORMAT 0x00000000L
#define PCF_INKBOUNDS 0x00000200L
#define PCF_ACCEL_W_INKBOUNDS 0x00000100L
#define PCF_COMPRESSED_METRICS 0x00000100L
#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 */
static
FT_Error pcf_load_font( FT_Stream,
PCF_Face );
FT_END_HEADER
#endif /* __PCF_H__ */
/* END */