80 lines
1.6 KiB
C
80 lines
1.6 KiB
C
/*
|
|
* @(#)MorphTables.h 1.5 00/03/15
|
|
*
|
|
* (C) Copyright IBM Corp. 1998, 1999, 2000, 2001 - All Rights Reserved
|
|
*
|
|
*/
|
|
|
|
#ifndef __MORPHTABLES_H
|
|
#define __MORPHTABLES_H
|
|
|
|
#include "LETypes.h"
|
|
#include "LayoutTables.h"
|
|
|
|
U_NAMESPACE_BEGIN
|
|
|
|
typedef le_uint32 FeatureFlags;
|
|
|
|
typedef le_int16 FeatureType;
|
|
typedef le_int16 FeatureSetting;
|
|
|
|
struct FeatureTableEntry
|
|
{
|
|
FeatureType featureType;
|
|
FeatureSetting featureSetting;
|
|
FeatureFlags enableFlags;
|
|
FeatureFlags disableFlags;
|
|
};
|
|
|
|
struct ChainHeader
|
|
{
|
|
FeatureFlags defaultFlags;
|
|
le_uint32 chainLength;
|
|
le_int16 nFeatureEntries;
|
|
le_int16 nSubtables;
|
|
FeatureTableEntry featureTable[ANY_NUMBER];
|
|
};
|
|
|
|
struct MorphTableHeader
|
|
{
|
|
le_int32 version;
|
|
le_uint32 nChains;
|
|
ChainHeader chains[ANY_NUMBER];
|
|
|
|
void process(LEGlyphID *glyphs, le_int32 *glyphIndices, le_int32 glyphCount) const;
|
|
};
|
|
|
|
typedef le_int16 SubtableCoverage;
|
|
|
|
enum SubtableCoverageFlags
|
|
{
|
|
scfVertical = 0x8000,
|
|
scfReverse = 0x4000,
|
|
scfIgnoreVt = 0x2000,
|
|
scfReserved = 0x1FF8,
|
|
scfTypeMask = 0x0007
|
|
};
|
|
|
|
enum MorphSubtableType
|
|
{
|
|
mstIndicRearrangement = 0,
|
|
mstContextualGlyphSubstitution = 1,
|
|
mstLigatureSubstitution = 2,
|
|
mstReservedUnused = 3,
|
|
mstNonContextualGlyphSubstitution = 4,
|
|
mstContextualGlyphInsertion = 5
|
|
};
|
|
|
|
struct MorphSubtableHeader
|
|
{
|
|
le_int16 length;
|
|
SubtableCoverage coverage;
|
|
FeatureFlags subtableFeatures;
|
|
|
|
void process(LEGlyphID *glyphs, le_int32 *glyphIndices, le_int32 glyphCount) const;
|
|
};
|
|
|
|
U_NAMESPACE_END
|
|
#endif
|
|
|