ClassDef
This commit is contained in:
parent
53502c6723
commit
eb32e374f4
|
@ -244,8 +244,7 @@ struct TTCHeader {
|
||||||
* 0x00010000 or 0x00020000 */
|
* 0x00010000 or 0x00020000 */
|
||||||
ULONG numFonts; /* Number of fonts in TTC */
|
ULONG numFonts; /* Number of fonts in TTC */
|
||||||
ULONG offsetTable[]; /* Array of offsets to the OffsetTable for each font
|
ULONG offsetTable[]; /* Array of offsets to the OffsetTable for each font
|
||||||
* from the beginning of the file.
|
* from the beginning of the file */
|
||||||
* numFonts entries long. */
|
|
||||||
};
|
};
|
||||||
|
|
||||||
|
|
||||||
|
@ -328,7 +327,7 @@ struct ScriptList {
|
||||||
|
|
||||||
USHORT scriptCount; /* Number of ScriptRecords */
|
USHORT scriptCount; /* Number of ScriptRecords */
|
||||||
ScriptRecord scriptRecord[]; /* Array of ScriptRecords--listed alphabetically
|
ScriptRecord scriptRecord[]; /* Array of ScriptRecords--listed alphabetically
|
||||||
* by ScriptTag. scriptCount entries long */
|
* by ScriptTag */
|
||||||
};
|
};
|
||||||
|
|
||||||
struct Script {
|
struct Script {
|
||||||
|
@ -385,8 +384,7 @@ struct FeatureList {
|
||||||
USHORT featureCount; /* Number of FeatureRecords in this table */
|
USHORT featureCount; /* Number of FeatureRecords in this table */
|
||||||
FeatureRecord featureRecord[];/* Array of FeatureRecords--zero-based (first
|
FeatureRecord featureRecord[];/* Array of FeatureRecords--zero-based (first
|
||||||
* feature has FeatureIndex = 0)--listed
|
* feature has FeatureIndex = 0)--listed
|
||||||
* alphabetically by FeatureTag. featureCount
|
* alphabetically by FeatureTag */
|
||||||
* entries long */
|
|
||||||
};
|
};
|
||||||
|
|
||||||
struct Feature {
|
struct Feature {
|
||||||
|
@ -403,8 +401,7 @@ struct Feature {
|
||||||
* feature */
|
* feature */
|
||||||
USHORT lookupIndex[]; /* Array of LookupList indices for this
|
USHORT lookupIndex[]; /* Array of LookupList indices for this
|
||||||
* feature--zero-based (first lookup is
|
* feature--zero-based (first lookup is
|
||||||
* LookupListIndex = 0). lookupCount
|
* LookupListIndex = 0) */
|
||||||
* entries long */
|
|
||||||
};
|
};
|
||||||
|
|
||||||
struct LookupList {
|
struct LookupList {
|
||||||
|
@ -414,8 +411,7 @@ struct LookupList {
|
||||||
USHORT lookupCount; /* Number of lookups in this table */
|
USHORT lookupCount; /* Number of lookups in this table */
|
||||||
Offset lookupOffset[]; /* Array of offsets to Lookup tables--from
|
Offset lookupOffset[]; /* Array of offsets to Lookup tables--from
|
||||||
* beginning of LookupList--zero based (first
|
* beginning of LookupList--zero based (first
|
||||||
* lookup is Lookup index = 0). lookupCount
|
* lookup is Lookup index = 0) */
|
||||||
* entries long */
|
|
||||||
};
|
};
|
||||||
|
|
||||||
struct LookupFlag : USHORT {
|
struct LookupFlag : USHORT {
|
||||||
|
@ -441,8 +437,7 @@ struct Lookup {
|
||||||
USHORT lookupFlag; /* Lookup qualifiers */
|
USHORT lookupFlag; /* Lookup qualifiers */
|
||||||
USHORT subTableCount; /* Number of SubTables for this lookup */
|
USHORT subTableCount; /* Number of SubTables for this lookup */
|
||||||
Offset subTableOffset[];/* Array of offsets to SubTables-from
|
Offset subTableOffset[];/* Array of offsets to SubTables-from
|
||||||
* beginning of Lookup table. subTableCount
|
* beginning of Lookup table */
|
||||||
* entries long. */
|
|
||||||
};
|
};
|
||||||
|
|
||||||
/*
|
/*
|
||||||
|
@ -453,7 +448,7 @@ struct CoverageFormat1 {
|
||||||
/* GlyphIDs, in sorted numerical order */
|
/* GlyphIDs, in sorted numerical order */
|
||||||
DEFINE_ARRAY_TYPE (GlyphID, glyphArray, glyphCount);
|
DEFINE_ARRAY_TYPE (GlyphID, glyphArray, glyphCount);
|
||||||
|
|
||||||
inline unsigned int get_coverage (uint16_t glyph_id) const {
|
inline int get_coverage (uint16_t glyph_id) const {
|
||||||
GlyphID gid (glyph_id);
|
GlyphID gid (glyph_id);
|
||||||
// TODO: bsearch
|
// TODO: bsearch
|
||||||
for (int i = 0; i < glyphCount; i++)
|
for (int i = 0; i < glyphCount; i++)
|
||||||
|
@ -464,12 +459,12 @@ struct CoverageFormat1 {
|
||||||
|
|
||||||
USHORT coverageFormat; /* Format identifier--format = 1 */
|
USHORT coverageFormat; /* Format identifier--format = 1 */
|
||||||
USHORT glyphCount; /* Number of glyphs in the GlyphArray */
|
USHORT glyphCount; /* Number of glyphs in the GlyphArray */
|
||||||
GlyphID glyphArray[]; /* Array of GlyphIDs--in numerical
|
GlyphID glyphArray[]; /* Array of GlyphIDs--in numerical order */
|
||||||
* order. glyphCount entries long */
|
|
||||||
};
|
};
|
||||||
|
|
||||||
struct CoverageRangeRecord {
|
struct CoverageRangeRecord {
|
||||||
inline unsigned int get_coverage (uint16_t glyph_id) const {
|
|
||||||
|
inline int get_coverage (uint16_t glyph_id) const {
|
||||||
if (glyph_id >= start && glyph_id <= end)
|
if (glyph_id >= start && glyph_id <= end)
|
||||||
return startCoverageIndex + (glyph_id - start);
|
return startCoverageIndex + (glyph_id - start);
|
||||||
return -1;
|
return -1;
|
||||||
|
@ -485,7 +480,7 @@ struct CoverageFormat2 {
|
||||||
/* CoverageRangeRecords, in sorted numerical start order */
|
/* CoverageRangeRecords, in sorted numerical start order */
|
||||||
DEFINE_ARRAY_TYPE (CoverageRangeRecord, rangeRecord, rangeCount);
|
DEFINE_ARRAY_TYPE (CoverageRangeRecord, rangeRecord, rangeCount);
|
||||||
|
|
||||||
inline unsigned int get_coverage (uint16_t glyph_id) const {
|
inline int get_coverage (uint16_t glyph_id) const {
|
||||||
// TODO: bsearch
|
// TODO: bsearch
|
||||||
for (int i = 0; i < rangeCount; i++) {
|
for (int i = 0; i < rangeCount; i++) {
|
||||||
int coverage = rangeRecord[i].get_coverage (glyph_id);
|
int coverage = rangeRecord[i].get_coverage (glyph_id);
|
||||||
|
@ -496,7 +491,7 @@ struct CoverageFormat2 {
|
||||||
}
|
}
|
||||||
|
|
||||||
USHORT coverageFormat; /* Format identifier--format = 2 */
|
USHORT coverageFormat; /* Format identifier--format = 2 */
|
||||||
USHORT rangeCount; /* Number of CoverRangeRecords */
|
USHORT rangeCount; /* Number of CoverageRangeRecords */
|
||||||
CoverageRangeRecord rangeRecord[]; /* Array of glyph ranges--ordered by
|
CoverageRangeRecord rangeRecord[]; /* Array of glyph ranges--ordered by
|
||||||
* Start GlyphID. rangeCount entries
|
* Start GlyphID. rangeCount entries
|
||||||
* long */
|
* long */
|
||||||
|
@ -509,22 +504,100 @@ struct Coverage {
|
||||||
switch (coverageFormat) {
|
switch (coverageFormat) {
|
||||||
case 1: return ((const CoverageFormat1&)*this).get_size ();
|
case 1: return ((const CoverageFormat1&)*this).get_size ();
|
||||||
case 2: return ((const CoverageFormat2&)*this).get_size ();
|
case 2: return ((const CoverageFormat2&)*this).get_size ();
|
||||||
default: return sizeof (Coverage);
|
default:return sizeof (Coverage);
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
/* Returns -1 if not covered. */
|
/* Returns -1 if not covered. */
|
||||||
inline unsigned int get_coverage (uint16_t glyph_id) const {
|
inline int get_coverage (uint16_t glyph_id) const {
|
||||||
switch (coverageFormat) {
|
switch (coverageFormat) {
|
||||||
case 1: return ((const CoverageFormat1&)*this).get_coverage(glyph_id);
|
case 1: return ((const CoverageFormat1&)*this).get_coverage(glyph_id);
|
||||||
case 2: return ((const CoverageFormat2&)*this).get_coverage(glyph_id);
|
case 2: return ((const CoverageFormat2&)*this).get_coverage(glyph_id);
|
||||||
default: return -1;
|
default:return -1;
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
USHORT coverageFormat; /* Format identifier */
|
USHORT coverageFormat; /* Format identifier */
|
||||||
};
|
};
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Class Definition
|
||||||
|
*/
|
||||||
|
|
||||||
|
struct ClassDefFormat1 {
|
||||||
|
/* GlyphIDs, in sorted numerical order */
|
||||||
|
DEFINE_ARRAY_TYPE (USHORT, classValueArray, glyphCount);
|
||||||
|
|
||||||
|
inline int get_class (uint16_t glyph_id) const {
|
||||||
|
if (glyph_id >= startGlyph && glyph_id < startGlyph + glyphCount)
|
||||||
|
return classValueArray[glyph_id - startGlyph];
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
USHORT classFormat; /* Format identifier--format = 1 */
|
||||||
|
GlyphID startGlyph; /* First GlyphID of the classValueArray */
|
||||||
|
USHORT glyphCount; /* Size of the classValueArray */
|
||||||
|
USHORT classValueArray[]; /* Array of Class Values--one per GlyphID */
|
||||||
|
};
|
||||||
|
|
||||||
|
struct ClassRangeRecord {
|
||||||
|
|
||||||
|
inline int get_class (uint16_t glyph_id) const {
|
||||||
|
if (glyph_id >= start && glyph_id <= end)
|
||||||
|
return classValue;
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
GlyphID start; /* First GlyphID in the range */
|
||||||
|
GlyphID end; /* Last GlyphID in the range */
|
||||||
|
USHORT classValue; /* Applied to all glyphs in the range
|
||||||
|
*/
|
||||||
|
};
|
||||||
|
|
||||||
|
struct ClassDefFormat2 {
|
||||||
|
/* ClassRangeRecords, in sorted numerical start order */
|
||||||
|
DEFINE_ARRAY_TYPE (ClassRangeRecord, rangeRecord, rangeCount);
|
||||||
|
|
||||||
|
inline int get_class (uint16_t glyph_id) const {
|
||||||
|
// TODO: bsearch
|
||||||
|
for (int i = 0; i < rangeCount; i++) {
|
||||||
|
int classValue = rangeRecord[i].get_class (glyph_id);
|
||||||
|
if (classValue > 0)
|
||||||
|
return classValue;
|
||||||
|
}
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
USHORT classFormat; /* Format identifier--format = 2 */
|
||||||
|
USHORT rangeCount; /* Number of Number of ClassRangeRecords */
|
||||||
|
ClassRangeRecord rangeRecord[]; /* Array of glyph ranges--ordered by
|
||||||
|
* Start GlyphID */
|
||||||
|
};
|
||||||
|
|
||||||
|
struct ClassDef {
|
||||||
|
DEFINE_NON_INSTANTIABLE(ClassDef);
|
||||||
|
|
||||||
|
inline unsigned int get_size (void) const {
|
||||||
|
switch (classFormat) {
|
||||||
|
case 1: return ((const ClassDefFormat1&)*this).get_size ();
|
||||||
|
case 2: return ((const ClassDefFormat2&)*this).get_size ();
|
||||||
|
default:return sizeof (ClassDef);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Returns 0 if not found. */
|
||||||
|
inline int get_class (uint16_t glyph_id) const {
|
||||||
|
switch (classFormat) {
|
||||||
|
case 1: return ((const ClassDefFormat1&)*this).get_class(glyph_id);
|
||||||
|
case 2: return ((const ClassDefFormat2&)*this).get_class(glyph_id);
|
||||||
|
default:return 0;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
USHORT classFormat; /* Format identifier */
|
||||||
|
};
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
Loading…
Reference in New Issue