66 lines
1.4 KiB
C
66 lines
1.4 KiB
C
/*
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* @(#)Lookups.h 1.5 00/03/15
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*
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* (C) Copyright IBM Corp. 1998 - 2002 - All Rights Reserved
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*
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*/
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#ifndef __LOOKUPS_H
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#define __LOOKUPS_H
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/**
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* \file
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* \internal
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*/
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#include "LETypes.h"
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#include "OpenTypeTables.h"
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U_NAMESPACE_BEGIN
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enum LookupFlags
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{
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lfBaselineIsLogicalEnd = 0x0001, // The MS spec. calls this flag "RightToLeft" but this name is more accurate
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lfIgnoreBaseGlyphs = 0x0002,
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lfIgnoreLigatures = 0x0004,
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lfIgnoreMarks = 0x0008,
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lfReservedMask = 0x00F0,
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lfMarkAttachTypeMask = 0xFF00,
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lfMarkAttachTypeShift = 8
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};
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struct LookupSubtable
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{
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le_uint16 subtableFormat;
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Offset coverageTableOffset;
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le_int32 getGlyphCoverage(LEGlyphID glyphID) const;
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le_int32 getGlyphCoverage(Offset tableOffset, LEGlyphID glyphID) const;
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};
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struct LookupTable
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{
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le_uint16 lookupType;
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le_uint16 lookupFlags;
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le_uint16 subTableCount;
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Offset subTableOffsetArray[ANY_NUMBER];
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const LookupSubtable *getLookupSubtable(le_uint16 subtableIndex) const;
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};
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struct LookupListTable
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{
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le_uint16 lookupCount;
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Offset lookupTableOffsetArray[ANY_NUMBER];
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const LookupTable *getLookupTable(le_uint16 lookupTableIndex) const;
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};
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inline le_int32 LookupSubtable::getGlyphCoverage(LEGlyphID glyphID) const
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{
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return getGlyphCoverage(coverageTableOffset, glyphID);
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}
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U_NAMESPACE_END
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#endif
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