scuffed-code/icu4c/source/layout/Lookups.h
2003-06-03 20:58:22 +00:00

66 lines
1.4 KiB
C

/*
* @(#)Lookups.h 1.5 00/03/15
*
* (C) Copyright IBM Corp. 1998-2003 - All Rights Reserved
*
*/
#ifndef __LOOKUPS_H
#define __LOOKUPS_H
/**
* \file
* \internal
*/
#include "LETypes.h"
#include "OpenTypeTables.h"
U_NAMESPACE_BEGIN
enum LookupFlags
{
lfBaselineIsLogicalEnd = 0x0001, // The MS spec. calls this flag "RightToLeft" but this name is more accurate
lfIgnoreBaseGlyphs = 0x0002,
lfIgnoreLigatures = 0x0004,
lfIgnoreMarks = 0x0008,
lfReservedMask = 0x00F0,
lfMarkAttachTypeMask = 0xFF00,
lfMarkAttachTypeShift = 8
};
struct LookupSubtable
{
le_uint16 subtableFormat;
Offset coverageTableOffset;
le_int32 getGlyphCoverage(LEGlyphID glyphID) const;
le_int32 getGlyphCoverage(Offset tableOffset, LEGlyphID glyphID) const;
};
struct LookupTable
{
le_uint16 lookupType;
le_uint16 lookupFlags;
le_uint16 subTableCount;
Offset subTableOffsetArray[ANY_NUMBER];
const LookupSubtable *getLookupSubtable(le_uint16 subtableIndex) const;
};
struct LookupListTable
{
le_uint16 lookupCount;
Offset lookupTableOffsetArray[ANY_NUMBER];
const LookupTable *getLookupTable(le_uint16 lookupTableIndex) const;
};
inline le_int32 LookupSubtable::getGlyphCoverage(LEGlyphID glyphID) const
{
return getGlyphCoverage(coverageTableOffset, glyphID);
}
U_NAMESPACE_END
#endif