Initial revision
This commit is contained in:
Werner Lemberg
parent
6b76663625
commit
f28b7bfaea
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@ -0,0 +1,32 @@
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#
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# FreeType 2 PCF module definition
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#
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# Copyright 2000 by
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# Francesco Zappa Nardelli
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
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# copies of the Software, and to permit persons to whom the Software is
|
||||
# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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make_module_list: add_pcf_driver
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add_pcf_driver:
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$(OPEN_DRIVER)pcf_driver_class$(CLOSE_DRIVER)
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$(ECHO_DRIVER)pcf $(ECHO_DRIVER_DESC)pcf bitmap fonts$(ECHO_DRIVER_DONE)
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# EOF
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@ -0,0 +1,36 @@
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/* pcf.c
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FreeType font driver for pcf fonts
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Copyright 2000 by
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Francesco Zappa Nardelli
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
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copies of the Software, and to permit persons to whom the Software is
|
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furnished to do so, subject to the following conditions:
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|
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The above copyright notice and this permission notice shall be included in
|
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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#define FT_MAKE_OPTION_SINGLE_OBJECT
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#include <ft2build.h>
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#include FT_SOURCE_FILE(pcf,pcfutil.c)
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#include FT_SOURCE_FILE(pcf,pcfread.c)
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#include FT_SOURCE_FILE(pcf,pcfdriver.c)
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/* END */
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@ -0,0 +1,239 @@
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/* pcf.h
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FreeType font driver for pcf fonts
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Copyright (C) 2000 by
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Francesco Zappa Nardelli
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
|
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furnished to do so, subject to the following conditions:
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|
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The above copyright notice and this permission notice shall be included in
|
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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#ifndef __PCF_H__
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#define __PCF_H__
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#include <ft2build.h>
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#include FT_INTERNAL_DRIVER_H
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FT_BEGIN_HEADER
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typedef struct PCF_TableRec_
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{
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FT_ULong type;
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FT_ULong format;
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FT_ULong size;
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FT_ULong offset;
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} PCF_TableRec, *PCF_Table;
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typedef struct PCF_TocRec_
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{
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FT_ULong version;
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FT_ULong count;
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PCF_Table tables;
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} PCF_TocRec, *PCF_Toc;
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typedef struct PCF_ParseProperty_
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{
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FT_Long name;
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FT_Byte isString;
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FT_Long value;
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} PCF_ParsePropertyRec, *PCF_ParseProperty;
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typedef struct PCF_Property_
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{
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FT_String* name;
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FT_Byte isString;
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union
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{
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FT_String* atom;
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FT_Long integer;
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FT_ULong cardinal;
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} value;
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} PCF_PropertyRec, *PCF_Property;
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typedef struct PCF_Compressed_Metric_
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{
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FT_Byte leftSideBearing;
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FT_Byte rightSideBearing;
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FT_Byte characterWidth;
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FT_Byte ascent;
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FT_Byte descent;
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} PCF_Compressed_MetricRec, *PCF_Compressed_Metric;
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typedef struct PCF_Metric_
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{
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FT_Short leftSideBearing;
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FT_Short rightSideBearing;
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FT_Short characterWidth;
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FT_Short ascent;
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FT_Short descent;
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FT_Short attributes;
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FT_ULong bits;
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} PCF_MetricRec, *PCF_Metric;
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typedef struct PCF_AccelRec_
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{
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FT_Byte noOverlap;
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FT_Byte constantMetrics;
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FT_Byte terminalFont;
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FT_Byte constantWidth;
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FT_Byte inkInside;
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FT_Byte inkMetrics;
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FT_Byte drawDirection;
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FT_Long fontAscent;
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FT_Long fontDescent;
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FT_Long maxOverlap;
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PCF_MetricRec minbounds;
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PCF_MetricRec maxbounds;
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PCF_MetricRec ink_minbounds;
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PCF_MetricRec ink_maxbounds;
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} PCF_AccelRec, *PCF_Accel;
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typedef struct PCD_Encoding_
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{
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FT_Long enc;
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FT_Short glyph;
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} PCF_EncodingRec, *PCF_Encoding;
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typedef struct PCF_FaceRec_
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{
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FT_FaceRec root;
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char* charset_encoding;
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char* charset_registry;
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PCF_TocRec toc;
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PCF_AccelRec accel;
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int nprops;
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PCF_Property properties;
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FT_Long nmetrics;
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PCF_Metric metrics;
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FT_Long nencodings;
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PCF_Encoding encodings;
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FT_Short defaultChar;
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FT_ULong bitmapsFormat;
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FT_CharMap charmap_handle;
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FT_CharMapRec charmap; /* a single charmap per face */
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} PCF_FaceRec, *PCF_Face;
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/* XXX hack */
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static
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FT_Error PCF_Done_Face( PCF_Face face );
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/* macros for pcf font format */
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#define LSBFirst 0
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#define MSBFirst 1
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#define PCF_FILE_VERSION ( ( 'p' << 24 ) | \
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( 'c' << 16 ) | \
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( 'f' << 8 ) | 1 )
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#define PCF_FORMAT_MASK 0xFFFFFF00L
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#define PCF_DEFAULT_FORMAT 0x00000000L
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#define PCF_INKBOUNDS 0x00000200L
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#define PCF_ACCEL_W_INKBOUNDS 0x00000100L
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#define PCF_COMPRESSED_METRICS 0x00000100L
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#define PCF_FORMAT_MATCH( a, b ) \
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( ( (a) & PCF_FORMAT_MASK ) == ( (b) & PCF_FORMAT_MASK ) )
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#define PCF_GLYPH_PAD_MASK ( 3 << 0 )
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#define PCF_BYTE_MASK ( 1 << 2 )
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#define PCF_BIT_MASK ( 1 << 3 )
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#define PCF_SCAN_UNIT_MASK ( 3 << 4 )
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#define PCF_BYTE_ORDER( f ) \
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( ( (f) & PCF_BYTE_MASK ) ? MSBFirst : LSBFirst )
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#define PCF_BIT_ORDER( f ) \
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( ( (f) & PCF_BIT_MASK ) ? MSBFirst : LSBFirst )
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#define PCF_GLYPH_PAD_INDEX( f ) \
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( (f) & PCF_GLYPH_PAD_MASK )
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#define PCF_GLYPH_PAD( f ) \
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( 1 << PCF_GLYPH_PAD_INDEX( f ) )
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#define PCF_SCAN_UNIT_INDEX( f ) \
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( ( (f) & PCF_SCAN_UNIT_MASK ) >> 4 )
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#define PCF_SCAN_UNIT( f ) \
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( 1 << PCF_SCAN_UNIT_INDEX( f ) )
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#define PCF_FORMAT_BITS( f ) \
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( (f) & ( PCF_GLYPH_PAD_MASK | \
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PCF_BYTE_MASK | \
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PCF_BIT_MASK | \
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PCF_SCAN_UNIT_MASK ) )
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#define PCF_SIZE_TO_INDEX( s ) ( (s) == 4 ? 2 : (s) == 2 ? 1 : 0 )
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#define PCF_INDEX_TO_SIZE( b ) ( 1 << b )
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#define PCF_FORMAT( bit, byte, glyph, scan ) \
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( ( PCF_SIZE_TO_INDEX( scan ) << 4 ) | \
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( ( (bit) == MSBFirst ? 1 : 0 ) << 3 ) | \
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( ( (byte) == MSBFirst ? 1 : 0 ) << 2 ) | \
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( PCF_SIZE_TO_INDEX( glyph ) << 0 ) )
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#define PCF_PROPERTIES ( 1 << 0 )
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#define PCF_ACCELERATORS ( 1 << 1 )
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#define PCF_METRICS ( 1 << 2 )
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#define PCF_BITMAPS ( 1 << 3 )
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#define PCF_INK_METRICS ( 1 << 4 )
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#define PCF_BDF_ENCODINGS ( 1 << 5 )
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#define PCF_SWIDTHS ( 1 << 6 )
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#define PCF_GLYPH_NAMES ( 1 << 7 )
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#define PCF_BDF_ACCELERATORS ( 1 << 8 )
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#define GLYPHPADOPTIONS 4 /* I'm not sure about this */
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static
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FT_Error pcf_load_font( FT_Stream,
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PCF_Face );
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FT_END_HEADER
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#endif /* __PCF_H__ */
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/* END */
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@ -0,0 +1,343 @@
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/* pcfdriver.c
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FreeType font driver for pcf files
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Copyright (C) 2000 by
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Francesco Zappa Nardelli
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Permission is hereby granted, free of charge, to any person obtaining a copy
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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.
|
||||
*/
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#include <ft2build.h>
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#include FT_ERRORS_H
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#include FT_INTERNAL_DEBUG_H
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#include FT_INTERNAL_STREAM_H
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#include FT_INTERNAL_OBJECTS_H
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#include FT_SOURCE_FILE(pcf,pcf.h)
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#include FT_SOURCE_FILE(pcf,pcfdriver.h)
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#include FT_SOURCE_FILE(pcf,pcfutil.h)
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/*************************************************************************/
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/* */
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/* The macro FT_COMPONENT is used in trace mode. It is an implicit */
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/* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */
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/* messages during execution. */
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/* */
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#undef FT_COMPONENT
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#define FT_COMPONENT trace_pcfdriver
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static
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FT_Error PCF_Done_Face( PCF_Face face )
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{
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FT_Memory memory = FT_FACE_MEMORY( face );
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PCF_Property tmp = face->properties;
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int i;
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FREE( face->encodings );
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FREE( face->metrics );
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for ( i = 0; i < face->nprops; i++ )
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{
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FREE( tmp->name );
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if ( tmp->isString )
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FREE( tmp->value );
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}
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FREE( face->properties );
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FT_TRACE4(( "DONE_FACE!!!\n" ));
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return FT_Err_Ok;
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}
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static
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FT_Error PCF_Init_Face( FT_Stream stream,
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PCF_Face face,
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FT_Int face_index,
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FT_Int num_params,
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FT_Parameter* params )
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{
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FT_Error error = FT_Err_Ok;
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FT_UNUSED( num_params );
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FT_UNUSED( params );
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FT_UNUSED( face_index );
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error = pcf_load_font( stream, face );
|
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if ( error )
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goto Fail;
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|
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return FT_Err_Ok;
|
||||
|
||||
Fail:
|
||||
FT_TRACE2(( "[not a valid PCF file]\n" ));
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PCF_Done_Face( face );
|
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|
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return FT_Err_Unknown_File_Format; /* error */
|
||||
}
|
||||
|
||||
|
||||
static
|
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FT_Error PCF_Set_Pixel_Size( FT_Size size )
|
||||
{
|
||||
PCF_Face face = (PCF_Face)FT_SIZE_FACE( size );
|
||||
|
||||
|
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FT_TRACE4(( "rec %d - pres %d\n", size->metrics.y_ppem,
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face->root.available_sizes->height ));
|
||||
|
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if ( size->metrics.y_ppem == face->root.available_sizes->height )
|
||||
{
|
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size->metrics.ascender = face->accel.fontAscent << 6;
|
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size->metrics.descender = face->accel.fontDescent * (-64);
|
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#if 0
|
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size->metrics.height = face->accel.maxbounds.ascent << 6;
|
||||
#endif
|
||||
size->metrics.height = size->metrics.ascender -
|
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size->metrics.descender;
|
||||
|
||||
return FT_Err_Ok;
|
||||
}
|
||||
else
|
||||
{
|
||||
FT_TRACE4(( "size WRONG\n" ));
|
||||
return FT_Err_Invalid_Pixel_Size;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
static
|
||||
FT_Error PCF_Load_Glyph( FT_GlyphSlot slot,
|
||||
FT_Size size,
|
||||
FT_UInt glyph_index,
|
||||
FT_Int load_flags )
|
||||
{
|
||||
PCF_Face face = (PCF_Face)FT_SIZE_FACE( size );
|
||||
FT_Error error = FT_Err_Ok;
|
||||
FT_Memory memory = FT_FACE(face)->memory;
|
||||
FT_Bitmap* bitmap = &slot->bitmap;
|
||||
PCF_Metric metric;
|
||||
int bytes;
|
||||
|
||||
FT_Stream stream = face->root.stream;
|
||||
|
||||
FT_UNUSED( load_flags );
|
||||
|
||||
|
||||
FT_TRACE4(( "load_glyph %d ---", glyph_index ));
|
||||
|
||||
if ( !face )
|
||||
{
|
||||
error = FT_Err_Invalid_Argument;
|
||||
goto Exit;
|
||||
}
|
||||
|
||||
metric = face->metrics + glyph_index;
|
||||
|
||||
bitmap->rows = metric->ascent + metric->descent;
|
||||
bitmap->width = metric->characterWidth;
|
||||
bitmap->num_grays = 1;
|
||||
bitmap->pixel_mode = ft_pixel_mode_mono;
|
||||
|
||||
FT_TRACE6(( "BIT_ORDER %d ; BYTE_ORDER %d ; GLYPH_PAD %d\n",
|
||||
PCF_BIT_ORDER( face->bitmapsFormat ),
|
||||
PCF_BYTE_ORDER( face->bitmapsFormat ),
|
||||
PCF_GLYPH_PAD( face->bitmapsFormat ) ));
|
||||
|
||||
switch ( PCF_GLYPH_PAD( face->bitmapsFormat ) )
|
||||
{
|
||||
case 1:
|
||||
bitmap->pitch = ( bitmap->width + 7 ) >> 3;
|
||||
break;
|
||||
|
||||
case 2:
|
||||
bitmap->pitch = ( ( bitmap->width + 15 ) >> 4 ) << 1;
|
||||
break;
|
||||
|
||||
case 4:
|
||||
bitmap->pitch = ( ( bitmap->width + 31 ) >> 5 ) << 2;
|
||||
break;
|
||||
|
||||
case 8:
|
||||
bitmap->pitch = ( ( bitmap->width + 63 ) >> 6 ) << 3;
|
||||
break;
|
||||
|
||||
default:
|
||||
return FT_Err_Invalid_File_Format;
|
||||
}
|
||||
|
||||
/* XXX: to do: are there cases that need repadding the bitmap? */
|
||||
bytes = bitmap->pitch * bitmap->rows;
|
||||
|
||||
if ( ALLOC( bitmap->buffer, bytes ) )
|
||||
goto Exit;
|
||||
|
||||
if ( FILE_Seek( metric->bits ) ||
|
||||
FILE_Read( bitmap->buffer, bytes ) )
|
||||
goto Exit;
|
||||
|
||||
if ( PCF_BIT_ORDER( face->bitmapsFormat ) != MSBFirst )
|
||||
BitOrderInvert( bitmap->buffer,bytes );
|
||||
|
||||
if ( ( PCF_BYTE_ORDER( face->bitmapsFormat ) !=
|
||||
PCF_BIT_ORDER( face->bitmapsFormat ) ) )
|
||||
{
|
||||
switch ( PCF_SCAN_UNIT( face->bitmapsFormat ) )
|
||||
{
|
||||
case 1:
|
||||
break;
|
||||
|
||||
case 2:
|
||||
TwoByteSwap( bitmap->buffer, bytes );
|
||||
break;
|
||||
|
||||
case 4:
|
||||
FourByteSwap( bitmap->buffer, bytes );
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
slot->bitmap_left = 0;
|
||||
slot->bitmap_top = metric->ascent;
|
||||
|
||||
slot->metrics.horiAdvance = metric->characterWidth << 6 ;
|
||||
slot->metrics.horiBearingX = metric->rightSideBearing << 6 ;
|
||||
slot->metrics.horiBearingY = metric->ascent << 6 ;
|
||||
slot->metrics.width = metric->characterWidth << 6 ;
|
||||
slot->metrics.height = bitmap->rows << 6;
|
||||
|
||||
slot->linearHoriAdvance = (FT_Fixed)bitmap->width << 16;
|
||||
slot->format = ft_glyph_format_bitmap;
|
||||
slot->flags = ft_glyph_own_bitmap;
|
||||
|
||||
FT_TRACE4(( " --- ok\n" ));
|
||||
|
||||
Exit:
|
||||
return error;
|
||||
}
|
||||
|
||||
|
||||
static
|
||||
FT_UInt PCF_Get_Char_Index( FT_CharMap charmap,
|
||||
FT_Long char_code )
|
||||
{
|
||||
PCF_Face face = (PCF_Face)charmap->face;
|
||||
PCF_Encoding en_table = face->encodings;
|
||||
int low, high, mid;
|
||||
|
||||
|
||||
FT_TRACE4(( "get_char_index %ld\n", char_code ));
|
||||
|
||||
low = 0;
|
||||
high = face->nencodings - 1;
|
||||
while ( low <= high )
|
||||
{
|
||||
mid = ( low + high ) / 2;
|
||||
if ( char_code < en_table[mid].enc )
|
||||
high = mid - 1;
|
||||
else if ( char_code > en_table[mid].enc )
|
||||
low = mid + 1;
|
||||
else
|
||||
return en_table[mid].glyph;
|
||||
}
|
||||
|
||||
return face->defaultChar;
|
||||
}
|
||||
|
||||
|
||||
FT_CALLBACK_TABLE_DEF
|
||||
const FT_Driver_Class pcf_driver_class =
|
||||
{
|
||||
{
|
||||
ft_module_font_driver,
|
||||
sizeof ( FT_DriverRec ),
|
||||
|
||||
"pcf",
|
||||
0x10000L,
|
||||
0x20000L,
|
||||
|
||||
0,
|
||||
|
||||
(FT_Module_Constructor)0,
|
||||
(FT_Module_Destructor) 0,
|
||||
(FT_Module_Requester) 0
|
||||
},
|
||||
|
||||
sizeof( PCF_FaceRec ),
|
||||
sizeof( FT_SizeRec ),
|
||||
sizeof( FT_GlyphSlotRec ),
|
||||
|
||||
(FTDriver_initFace) PCF_Init_Face,
|
||||
(FTDriver_doneFace) PCF_Done_Face,
|
||||
(FTDriver_initSize) 0,
|
||||
(FTDriver_doneSize) 0,
|
||||
(FTDriver_initGlyphSlot)0,
|
||||
(FTDriver_doneGlyphSlot)0,
|
||||
|
||||
(FTDriver_setCharSizes) PCF_Set_Pixel_Size,
|
||||
(FTDriver_setPixelSizes)PCF_Set_Pixel_Size,
|
||||
|
||||
(FTDriver_loadGlyph) PCF_Load_Glyph,
|
||||
(FTDriver_getCharIndex) PCF_Get_Char_Index,
|
||||
|
||||
(FTDriver_getKerning) 0,
|
||||
(FTDriver_attachFile) 0,
|
||||
(FTDriver_getAdvances) 0
|
||||
};
|
||||
|
||||
|
||||
#ifdef FT_CONFIG_OPTION_DYNAMIC_DRIVERS
|
||||
|
||||
|
||||
/*************************************************************************/
|
||||
/* */
|
||||
/* <Function> */
|
||||
/* getDriverClass */
|
||||
/* */
|
||||
/* <Description> */
|
||||
/* This function is used when compiling the TrueType driver as a */
|
||||
/* shared library (`.DLL' or `.so'). It will be used by the */
|
||||
/* high-level library of FreeType to retrieve the address of the */
|
||||
/* driver's generic interface. */
|
||||
/* */
|
||||
/* It shouldn't be implemented in a static build, as each driver must */
|
||||
/* have the same function as an exported entry point. */
|
||||
/* */
|
||||
/* <Return> */
|
||||
/* The address of the TrueType's driver generic interface. The */
|
||||
/* format-specific interface can then be retrieved through the method */
|
||||
/* interface->get_format_interface. */
|
||||
/* */
|
||||
FT_EXPORT_DEF( const FT_Driver_Class* ) getDriverClass( void )
|
||||
{
|
||||
return &pcf_driver_class;
|
||||
}
|
||||
|
||||
|
||||
#endif /* FT_CONFIG_OPTION_DYNAMIC_DRIVERS */
|
||||
|
||||
|
||||
/* END */
|
||||
|
|
@ -0,0 +1,44 @@
|
|||
/* pcfdriver.h
|
||||
|
||||
FreeType font driver for pcf fonts
|
||||
|
||||
Copyright 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 __PCFDRIVER_H__
|
||||
#define __PCFDRIVER_H__
|
||||
|
||||
#include <ft2build.h>
|
||||
#include FT_INTERNAL_DRIVER_H
|
||||
|
||||
FT_BEGIN_HEADER
|
||||
|
||||
FT_EXPORT_VAR( const FT_Driver_Class ) pcf_driver_class;
|
||||
|
||||
FT_END_HEADER
|
||||
|
||||
|
||||
#endif /* __PCFDRIVER_H__ */
|
||||
|
||||
|
||||
/* END */
|
||||
File diff suppressed because it is too large
Load Diff
|
|
@ -0,0 +1,211 @@
|
|||
/*
|
||||
|
||||
Copyright 1990, 1994, 1998 The Open Group
|
||||
|
||||
All Rights Reserved.
|
||||
|
||||
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
|
||||
OPEN GROUP 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.
|
||||
|
||||
Except as contained in this notice, the name of The Open Group shall not be
|
||||
used in advertising or otherwise to promote the sale, use or other dealings
|
||||
in this Software without prior written authorization from The Open Group.
|
||||
|
||||
*/
|
||||
/* $XFree86: xc/lib/font/util/utilbitmap.c,v 1.3 1999/08/22 08:58:58 dawes Exp $ */
|
||||
|
||||
/*
|
||||
* Author: Keith Packard, MIT X Consortium
|
||||
*/
|
||||
|
||||
|
||||
#include <ft2build.h>
|
||||
#include FT_SOURCE_FILE(pcf,pcfutil.h)
|
||||
|
||||
|
||||
/* Utility functions for reformatting font bitmaps */
|
||||
|
||||
static unsigned char _reverse_byte[0x100] =
|
||||
{
|
||||
0x00, 0x80, 0x40, 0xc0, 0x20, 0xa0, 0x60, 0xe0,
|
||||
0x10, 0x90, 0x50, 0xd0, 0x30, 0xb0, 0x70, 0xf0,
|
||||
0x08, 0x88, 0x48, 0xc8, 0x28, 0xa8, 0x68, 0xe8,
|
||||
0x18, 0x98, 0x58, 0xd8, 0x38, 0xb8, 0x78, 0xf8,
|
||||
0x04, 0x84, 0x44, 0xc4, 0x24, 0xa4, 0x64, 0xe4,
|
||||
0x14, 0x94, 0x54, 0xd4, 0x34, 0xb4, 0x74, 0xf4,
|
||||
0x0c, 0x8c, 0x4c, 0xcc, 0x2c, 0xac, 0x6c, 0xec,
|
||||
0x1c, 0x9c, 0x5c, 0xdc, 0x3c, 0xbc, 0x7c, 0xfc,
|
||||
0x02, 0x82, 0x42, 0xc2, 0x22, 0xa2, 0x62, 0xe2,
|
||||
0x12, 0x92, 0x52, 0xd2, 0x32, 0xb2, 0x72, 0xf2,
|
||||
0x0a, 0x8a, 0x4a, 0xca, 0x2a, 0xaa, 0x6a, 0xea,
|
||||
0x1a, 0x9a, 0x5a, 0xda, 0x3a, 0xba, 0x7a, 0xfa,
|
||||
0x06, 0x86, 0x46, 0xc6, 0x26, 0xa6, 0x66, 0xe6,
|
||||
0x16, 0x96, 0x56, 0xd6, 0x36, 0xb6, 0x76, 0xf6,
|
||||
0x0e, 0x8e, 0x4e, 0xce, 0x2e, 0xae, 0x6e, 0xee,
|
||||
0x1e, 0x9e, 0x5e, 0xde, 0x3e, 0xbe, 0x7e, 0xfe,
|
||||
0x01, 0x81, 0x41, 0xc1, 0x21, 0xa1, 0x61, 0xe1,
|
||||
0x11, 0x91, 0x51, 0xd1, 0x31, 0xb1, 0x71, 0xf1,
|
||||
0x09, 0x89, 0x49, 0xc9, 0x29, 0xa9, 0x69, 0xe9,
|
||||
0x19, 0x99, 0x59, 0xd9, 0x39, 0xb9, 0x79, 0xf9,
|
||||
0x05, 0x85, 0x45, 0xc5, 0x25, 0xa5, 0x65, 0xe5,
|
||||
0x15, 0x95, 0x55, 0xd5, 0x35, 0xb5, 0x75, 0xf5,
|
||||
0x0d, 0x8d, 0x4d, 0xcd, 0x2d, 0xad, 0x6d, 0xed,
|
||||
0x1d, 0x9d, 0x5d, 0xdd, 0x3d, 0xbd, 0x7d, 0xfd,
|
||||
0x03, 0x83, 0x43, 0xc3, 0x23, 0xa3, 0x63, 0xe3,
|
||||
0x13, 0x93, 0x53, 0xd3, 0x33, 0xb3, 0x73, 0xf3,
|
||||
0x0b, 0x8b, 0x4b, 0xcb, 0x2b, 0xab, 0x6b, 0xeb,
|
||||
0x1b, 0x9b, 0x5b, 0xdb, 0x3b, 0xbb, 0x7b, 0xfb,
|
||||
0x07, 0x87, 0x47, 0xc7, 0x27, 0xa7, 0x67, 0xe7,
|
||||
0x17, 0x97, 0x57, 0xd7, 0x37, 0xb7, 0x77, 0xf7,
|
||||
0x0f, 0x8f, 0x4f, 0xcf, 0x2f, 0xaf, 0x6f, 0xef,
|
||||
0x1f, 0x9f, 0x5f, 0xdf, 0x3f, 0xbf, 0x7f, 0xff
|
||||
};
|
||||
|
||||
/*
|
||||
* Invert bit order within each BYTE of an array.
|
||||
*/
|
||||
|
||||
void BitOrderInvert( unsigned char* buf,
|
||||
int nbytes )
|
||||
{
|
||||
unsigned char* rev = _reverse_byte;
|
||||
|
||||
|
||||
for ( ; --nbytes >= 0; buf++ )
|
||||
*buf = rev[*buf];
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* Invert byte order within each 16-bits of an array.
|
||||
*/
|
||||
|
||||
void TwoByteSwap( unsigned char* buf,
|
||||
int nbytes )
|
||||
{
|
||||
unsigned char c;
|
||||
|
||||
|
||||
for ( ; nbytes > 0; nbytes -= 2, buf += 2 )
|
||||
{
|
||||
c = buf[0];
|
||||
buf[0] = buf[1];
|
||||
buf[1] = c;
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* Invert byte order within each 32-bits of an array.
|
||||
*/
|
||||
|
||||
void FourByteSwap( unsigned char* buf,
|
||||
int nbytes )
|
||||
{
|
||||
unsigned char c;
|
||||
|
||||
|
||||
for ( ; nbytes > 0; nbytes -= 4, buf += 4 )
|
||||
{
|
||||
c = buf[0];
|
||||
buf[0] = buf[3];
|
||||
buf[3] = c;
|
||||
|
||||
c = buf[1];
|
||||
buf[1] = buf[2];
|
||||
buf[2] = c;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* Repad a bitmap.
|
||||
*/
|
||||
|
||||
int RepadBitmap( char* pSrc,
|
||||
char* pDst,
|
||||
unsigned int srcPad,
|
||||
unsigned int dstPad,
|
||||
int width,
|
||||
int height )
|
||||
{
|
||||
int srcWidthBytes, dstWidthBytes;
|
||||
int row, col;
|
||||
char *pTmpSrc, *pTmpDst;
|
||||
|
||||
|
||||
switch ( srcPad )
|
||||
{
|
||||
case 1:
|
||||
srcWidthBytes = ( width + 7 ) >> 3;
|
||||
break;
|
||||
|
||||
case 2:
|
||||
srcWidthBytes = ( ( width + 15 ) >> 4 ) << 1;
|
||||
break;
|
||||
|
||||
case 4:
|
||||
srcWidthBytes = ( ( width + 31 ) >> 5 ) << 2;
|
||||
break;
|
||||
|
||||
case 8:
|
||||
srcWidthBytes = ( ( width + 63 ) >> 6 ) << 3;
|
||||
break;
|
||||
|
||||
default:
|
||||
return 0;
|
||||
}
|
||||
|
||||
switch ( dstPad )
|
||||
{
|
||||
case 1:
|
||||
dstWidthBytes = ( width + 7 ) >> 3;
|
||||
break;
|
||||
|
||||
case 2:
|
||||
dstWidthBytes = ( ( width + 15 ) >> 4 ) << 1;
|
||||
break;
|
||||
|
||||
case 4:
|
||||
dstWidthBytes = ( ( width + 31 ) >> 5 ) << 2;
|
||||
break;
|
||||
|
||||
case 8:
|
||||
dstWidthBytes = ( ( width + 63 ) >> 6 ) << 3;
|
||||
break;
|
||||
|
||||
default:
|
||||
return 0;
|
||||
}
|
||||
|
||||
width = srcWidthBytes;
|
||||
if ( width > dstWidthBytes )
|
||||
width = dstWidthBytes;
|
||||
|
||||
pTmpSrc= pSrc;
|
||||
pTmpDst= pDst;
|
||||
|
||||
for ( row = 0; row < height; row++ )
|
||||
{
|
||||
for ( col = 0; col < width; col++ )
|
||||
*pTmpDst++ = *pTmpSrc++;
|
||||
|
||||
while ( col < dstWidthBytes )
|
||||
{
|
||||
*pTmpDst++ = '\0';
|
||||
col++;
|
||||
}
|
||||
pTmpSrc += srcWidthBytes - width;
|
||||
}
|
||||
|
||||
return dstWidthBytes * height;
|
||||
}
|
||||
|
||||
|
||||
/* END */
|
||||
|
|
@ -0,0 +1,54 @@
|
|||
/* pcfutil.h
|
||||
|
||||
FreeType font driver for pcf fonts
|
||||
|
||||
Copyright 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 __PCFUTIL_H__
|
||||
#define __PCFUTIL_H__
|
||||
|
||||
|
||||
#include <ft2build.h>
|
||||
|
||||
|
||||
void BitOrderInvert( unsigned char* buf,
|
||||
int nbytes);
|
||||
|
||||
void TwoByteSwap ( unsigned char* buf,
|
||||
int nbytes);
|
||||
|
||||
void FourByteSwap ( unsigned char* buf,
|
||||
int nbytes);
|
||||
|
||||
int RepadBitmap ( char* pSrc,
|
||||
char* pDst,
|
||||
unsigned int srcPad,
|
||||
unsigned int dstPad,
|
||||
int width,
|
||||
int height);
|
||||
|
||||
#endif /* __PCFUTIL_H__ */
|
||||
|
||||
|
||||
/* END */
|
||||
|
|
@ -0,0 +1,114 @@
|
|||
FreeType font driver for PCF fonts
|
||||
|
||||
Francesco Zappa Nardelli
|
||||
<francesco.zappa.nardelli@ens.fr>
|
||||
|
||||
|
||||
Introduction
|
||||
************
|
||||
|
||||
PCF (Portable Compiled Format) is a binary bitmap font format, largely used
|
||||
in X world. This code implements a PCF driver for the FreeType library.
|
||||
Glyph images are loaded into memory only on demand, thus leading to a small
|
||||
memory footprint.
|
||||
|
||||
Informations on the PCF font format can only be worked out from
|
||||
``pcfread.c'', and ``pcfwrite.c'', to be found, for instance, in the XFree86
|
||||
(www.xfree86.org) source tree (xc/lib/font/bitmap/).
|
||||
|
||||
Many good bitmap fonts in bdf format come with XFree86: they can be
|
||||
compiled into the pcf format using the ``bdftopcf'' utility.
|
||||
|
||||
|
||||
Supported hardware
|
||||
******************
|
||||
|
||||
The driver has been tested on linux/x86 and sunos5.5/sparc. In both
|
||||
cases the compiler was gcc. When back in Paris, I will test it also
|
||||
on linux/alpha.
|
||||
|
||||
|
||||
Encodings
|
||||
*********
|
||||
|
||||
The variety of encodings that accompanies pcf fonts appears to encompass the
|
||||
small set defined in freetype.h. On the other hand, each pcf font defines
|
||||
two properties that specify encoding and registry.
|
||||
|
||||
I decided to make these two properties directly accessible, leaving to the
|
||||
client application the work of interpreting them. For instance:
|
||||
|
||||
#include "pcftypes.h" /* include/freetype/internal/pcftypes.h */
|
||||
|
||||
FT_Face face;
|
||||
PCF_Public_Face pcfface;
|
||||
|
||||
FT_New_Face( library,..., &face );
|
||||
|
||||
pcfface = (PCF_Public_Face)face;
|
||||
|
||||
if ((pcfface->charset_registry == "ISO10646") &&
|
||||
(pcfface->charset_encoding) == "1")) [..]
|
||||
|
||||
Thus the driver always export ``ft_encoding_none'' as
|
||||
face->charmap.encoding. FT_Get_Char_Index() behavior is unmodified, that
|
||||
is, it converts the ULong value given as argument into the corresponding
|
||||
glyph number.
|
||||
|
||||
|
||||
Known problems
|
||||
**************
|
||||
|
||||
- dealing explicitly with encodings breaks the uniformity of freetype2
|
||||
api.
|
||||
|
||||
- except for encodings properties, client applications have no
|
||||
visibility of the PCF_Face object. This means that applications
|
||||
cannot directly access font tables and are obliged to trust
|
||||
FreeType.
|
||||
|
||||
- currently, glyph names and ink_metrics are ignored.
|
||||
|
||||
I plan to give full visibility of the PCF_Face object in the next
|
||||
release of the driver, thus implementing also glyph names and
|
||||
ink_metrics.
|
||||
|
||||
- height is defined as (ascent - descent). Is this correct?
|
||||
|
||||
- if unable to read size informations from the font, PCF_Init_Face
|
||||
sets available_size->width and available_size->height to 12.
|
||||
|
||||
- too many english grammar errors in the readme file :-(
|
||||
|
||||
|
||||
License
|
||||
*******
|
||||
|
||||
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.
|
||||
|
||||
|
||||
Credits
|
||||
*******
|
||||
|
||||
Keith Packard wrote the pcf driver found in XFree86. His work is at
|
||||
the same time the specification and the sample implementation of the
|
||||
PCF format. Undoubtedly, this driver is inspired from his work.
|
||||
|
|
@ -0,0 +1,79 @@
|
|||
#
|
||||
# FreeType 2 pcf driver configuration rules
|
||||
#
|
||||
|
||||
|
||||
# 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.
|
||||
|
||||
|
||||
# pcf driver directory
|
||||
#
|
||||
PCF_DIR := $(SRC_)pcf
|
||||
PCF_DIR_ := $(PCF_DIR)$(SEP)
|
||||
|
||||
|
||||
PCF_COMPILE := $(FT_COMPILE)
|
||||
|
||||
|
||||
# pcf driver sources (i.e., C files)
|
||||
#
|
||||
PCF_DRV_SRC := $(PCF_DIR_)pcfread.c \
|
||||
$(PCF_DIR_)pcfdriver.c \
|
||||
$(PCF_DIR_)pcfutil.c
|
||||
|
||||
# pcf driver headers
|
||||
#
|
||||
PCF_DRV_H := $(PCF_DIR_)pcf.h \
|
||||
$(PCF_DIR_)pcfdriver.h \
|
||||
$(PCF_DIR_)pcfutil.h
|
||||
|
||||
# pcf driver object(s)
|
||||
#
|
||||
# PCF_DRV_OBJ_M is used during `multi' builds
|
||||
# PCF_DRV_OBJ_S is used during `single' builds
|
||||
#
|
||||
PCF_DRV_OBJ_M := $(PCF_DRV_SRC:$(PCF_DIR_)%.c=$(OBJ_)%.$O)
|
||||
PCF_DRV_OBJ_S := $(OBJ_)pcf.$O
|
||||
|
||||
# Windows driver source file for single build
|
||||
#
|
||||
PCF_DRV_SRC_S := $(PCF_DIR_)pcf.c
|
||||
|
||||
|
||||
# pcf driver - single object
|
||||
#
|
||||
$(PCF_DRV_OBJ_S): $(PCF_DRV_SRC_S) $(PCF_DRV_SRC) $(FREETYPE_H) $(PCF_DRV_H)
|
||||
$(PCF_COMPILE) $T$@ $(PCF_DRV_SRC_S)
|
||||
|
||||
|
||||
# pcf driver - multiple objects
|
||||
#
|
||||
$(OBJ_)%.$O: $(PCF_DIR_)%.c $(FREETYPE_H) $(PCF_DRV_H)
|
||||
$(PCF_COMPILE) $T$@ $<
|
||||
|
||||
|
||||
# update main driver object lists
|
||||
#
|
||||
DRV_OBJS_S += $(PCF_DRV_OBJ_S)
|
||||
DRV_OBJS_M += $(PCF_DRV_OBJ_M)
|
||||
|
||||
# EOF
|
||||
Loading…
Reference in New Issue