/* otf.h -- Header file for libotf (OpenType font library).
-Copyright (C) 2003, 2004, 2005, 2006, 2007
+Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009
National Institute of Advanced Industrial Science and Technology (AIST)
Registration Number H15PRO167
#endif
/* Version name of this library. */
-#define LIBOTF_VERSION "0.9.6"
+#define LIBOTF_VERSION "0.9.10"
/* Major version number. */
#define LIBOTF_MAJOR_VERSION 0
/* Minor version number. */
#define LIBOTF_MINOR_VERSION 9
/* Release (i.e. patch level) number. */
-#define LIBOTF_RELEASE_NUMBER 6
+#define LIBOTF_RELEASE_NUMBER 10
/***
Table of contents:
(3-6) OTF_drive_tables()
(3-7) OTF_get_unicode()
(3-8) OTF_drive_gsub_alternate()
+ (3-9) OTF_iterate_on_feature()
(4) API for error handling
(4-1) Error codes
unsigned endCount;
int idDelta;
unsigned idRangeOffset;
-} OTF_cmapSegument;
+} OTF_cmapSegment;
typedef struct
{
unsigned searchRange;
unsigned entrySelector;
unsigned rangeShift;
- OTF_cmapSegument *segments;
+ OTF_cmapSegment *segments;
int GlyphCount;
unsigned *glyphIdArray;
} OTF_EncodingSubtable4;
typedef struct
{
+ unsigned unicodeValue;
+ unsigned short glyphID;
+} OTF_UVSMapping;
+
+typedef struct
+{
+ unsigned startUnicodeValue;
+ unsigned short additionalCount;
+} OTF_UnicodeValueRange;
+
+typedef struct
+{
+ unsigned varSelector;
+ unsigned defaultUVSOffset;
+ unsigned nonDefaultUVSOffset;
+ /* DefaultUVS */
+ unsigned numUnicodeValueRanges;
+ OTF_UnicodeValueRange *unicodeValueRanges;
+ /* NonDefaultUVS */
+ unsigned numUVSMappings;
+ OTF_UVSMapping *uvsMappings;
+} OTF_VariationSelectorRecord;
+
+typedef struct
+{
+ unsigned nRecords;
+ OTF_VariationSelectorRecord *Records;
+} OTF_EncodingSubtable14;
+
+typedef struct
+{
unsigned format;
unsigned length;
unsigned language;
OTF_EncodingSubtable8 *f8;
OTF_EncodingSubtable10 *f10;
OTF_EncodingSubtable12 *f12;
+ OTF_EncodingSubtable14 *f14;
}f;
} OTF_EncodingSubtable;
unsigned version;
unsigned numTables;
OTF_EncodingRecord *EncodingRecord;
- /* Mapping table: Unicode->GlyphID */
+ /* Mapping table: Unicode->GlyphID (for BMP only) */
unsigned short *unicode_table;
+ /* Maximum Glyph ID that corresponds to a Unicode character. */
int max_glyph_id;
/* Mapping table: GlyphID->Unicode */
unsigned short *decode_table;
+ /* Index of the EncodingRecord for Unicode->GlyphID mapping.
+ -1 means that the font supports only Unicode BMP characters. */
+ int table_index;
} OTF_cmap;
int c;
/* Glyph ID of the glyph. If the value is 0, the library gets a
- correct value from the above character code via cmap. */
+ correct value from the above character code via cmap if such a
+ glyph is available in the font.
+
+ The function OTF_drive_gpos2 may insert a glyph whose glyph_id is
+ 0 but positioning_type is positive. It is not an actual glyph
+ but just contains positioning information that should be
+ accumulated to the positioning information of the previous
+ glyphs. */
OTF_GlyphID glyph_id;
/* GlyphClass of the glyph. The value is extracted from the GDEF
Process glyph string by Unicode-based cmap table.
The OTF_drive_cmap() function looks up a Unicode-based cmap table
- of OpenType font $OTF, and setup the member <glyhph_id> of all
+ of OpenType font $OTF, and setup the member <glyph_id> of all
glhphs in the glyph string $GSTRING if the value of the member is
not zero. */
The OTF_drive_cmap2() function looks up a cmap table (whose
Platform-ID is $PLATFORM_ID an Encoding-ID is $ENCODING_ID) of
- OpenType font $OTF, and setup the member <glyhph_id> of all glhphs
+ OpenType font $OTF, and setup the member <glyph_id> of all glhphs
in the glyph string $GSTRING if the value of the member is not
zero. */
extern int OTF_drive_cmap2 (OTF *otf, OTF_GlyphString *gstring,
int platform_id, int encoding_id);
+
+/***
+ Store variable glyphs of character C in the array CODE. The array
+ size must be 256. The Nth element of CODE is the glyph corresponding
+ to the variation selector (N + 1). The return value is the number
+ of variation glyphs. */
+
+extern int OTF_get_variation_glyphs (OTF *otf, int c, OTF_GlyphID code[256]);
+
+
/*** (3-3) OTF_drive_gdef() */
/***
/***
Process glyph string by GPOS table.
- The OTF_drive_gdef() function looks up the GPOS table of $OTF of
+ The OTF_drive_gpos() function is deprecated. Use
+ OTF_drive_gpos2() instread. */
+
+extern int OTF_drive_gpos (OTF *otf, OTF_GlyphString *gstring,
+ const char *script, const char *language,
+ const char *features);
+
+/***
+ Process glyph string by GPOS table.
+
+ The OTF_drive_gpos2() function looks up the GPOS table of $OTF of
OpenType font $OTF, and by using features the font has for script
$SCRIPT and language system $LANGSYS, setup members
<positioning_type> and <f> of all glhphs in the glyph string
$GSTRING. $FEATURES is a list of features to apply. */
-extern int OTF_drive_gpos (OTF *otf, OTF_GlyphString *gstring,
- const char *script, const char *language,
- const char *features);
+extern int OTF_drive_gpos2 (OTF *otf, OTF_GlyphString *gstring,
+ const char *script, const char *language,
+ const char *features);
/*** (3-6) OTF_drive_tables() */
const char *script, const char *language,
const char *features);
+/*** (3-9) OTF_iterate_on_feature() */
+typedef int (*OTF_Feature_Callback) (OTF *otf, const char *feature,
+ unsigned glyph_id);
+
+extern int OTF_iterate_gsub_feature (OTF *otf, OTF_Feature_Callback callback,
+ const char *script, const char *language,
+ const char *feature);
+
/*** (4) API for error handling ***/
/*** (4-1) Error codes ***/
extern void OTF_tag_name (OTF_Tag tag, char *name);
+extern int OTF_put_data (OTF *otf, char *id, void *data,
+ void (*freer) (void *data));
+
+extern void *OTF_get_data (OTF *otf, char *id);
+
#ifdef __cplusplus
}
#endif
projects / m17n / libotf.git / blobdiff