misc/libfreetype/src/pcf/pcf.h
changeset 5172 88f2e05288ba
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/misc/libfreetype/src/pcf/pcf.h	Mon Apr 25 01:46:54 2011 +0200
@@ -0,0 +1,237 @@
+/*  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 <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     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;
+
+  } 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  PCF_EncodingRec_
+  {
+    FT_Long    enc;
+    FT_UShort  glyph;
+
+  } PCF_EncodingRec, *PCF_Encoding;
+
+
+  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_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         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,
+                 PCF_Face );
+
+FT_END_HEADER
+
+#endif /* __PCF_H__ */
+
+
+/* END */