sl@0: /*
sl@0:  *
sl@0:  * (C) Copyright IBM Corp. 1998-2005 - All Rights Reserved
sl@0:  *
sl@0:  */
sl@0: 
sl@0: #ifndef __LOOKUPS_H
sl@0: #define __LOOKUPS_H
sl@0: 
sl@0: /**
sl@0:  * \file
sl@0:  * \internal
sl@0:  */
sl@0: 
sl@0: #include "LETypes.h"
sl@0: #include "OpenTypeTables.h"
sl@0: 
sl@0: U_NAMESPACE_BEGIN
sl@0: 
sl@0: enum LookupFlags
sl@0: {
sl@0:     lfBaselineIsLogicalEnd  = 0x0001,  // The MS spec. calls this flag "RightToLeft" but this name is more accurate 
sl@0:     lfIgnoreBaseGlyphs      = 0x0002,
sl@0:     lfIgnoreLigatures       = 0x0004,
sl@0:     lfIgnoreMarks           = 0x0008,
sl@0:     lfReservedMask          = 0x00F0,
sl@0:     lfMarkAttachTypeMask    = 0xFF00,
sl@0:     lfMarkAttachTypeShift   = 8
sl@0: };
sl@0: 
sl@0: struct LookupSubtable
sl@0: {
sl@0:     le_uint16 subtableFormat;
sl@0:     Offset    coverageTableOffset;
sl@0: 
sl@0:     inline le_int32  getGlyphCoverage(LEGlyphID glyphID) const;
sl@0: 
sl@0:     le_int32  getGlyphCoverage(Offset tableOffset, LEGlyphID glyphID) const;
sl@0: };
sl@0: 
sl@0: struct LookupTable
sl@0: {
sl@0:     le_uint16       lookupType;
sl@0:     le_uint16       lookupFlags;
sl@0:     le_uint16       subTableCount;
sl@0:     Offset          subTableOffsetArray[ANY_NUMBER];
sl@0: 
sl@0:     const LookupSubtable  *getLookupSubtable(le_uint16 subtableIndex) const;
sl@0: };
sl@0: 
sl@0: struct LookupListTable
sl@0: {
sl@0:     le_uint16   lookupCount;
sl@0:     Offset      lookupTableOffsetArray[ANY_NUMBER];
sl@0: 
sl@0:     const LookupTable *getLookupTable(le_uint16 lookupTableIndex) const;
sl@0: };
sl@0: 
sl@0: inline le_int32 LookupSubtable::getGlyphCoverage(LEGlyphID glyphID) const
sl@0: {
sl@0:     return getGlyphCoverage(coverageTableOffset, glyphID);
sl@0: }
sl@0: 
sl@0: U_NAMESPACE_END
sl@0: #endif