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- /* pcf.h
- FreeType font driver for pcf fonts
- Copyright (C) 2000-2001, 2002 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
- #include FT_INTERNAL_STREAM_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 integer;
- FT_ULong cardinal;
- } 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;
- } 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_EncodingRec_
- {
- FT_Long enc;
- FT_Short glyph;
- } PCF_EncodingRec, *PCF_Encoding;
- typedef struct PCF_FaceRec_
- {
- FT_FaceRec root;
- FT_StreamRec gzip_stream;
- FT_Stream gzip_source;
- 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;
- /* 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 */
- FT_LOCAL( FT_Error )
- pcf_load_font( FT_Stream,
- PCF_Face );
- FT_END_HEADER
- #endif /* __PCF_H__ */
- /* END */
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