1 /* 2 * 3 * (C) Copyright IBM Corp. 1998-2013 - All Rights Reserved 4 * 5 */ 6 7 #include "LETypes.h" 8 #include "OpenTypeTables.h" 9 #include "Lookups.h" 10 #include "CoverageTables.h" 11 #include "LESwaps.h" 12 13 U_NAMESPACE_BEGIN 14 15 const LEReferenceTo<LookupTable> LookupListTable::getLookupTable(const LEReferenceTo<LookupListTable> &base, le_uint16 lookupTableIndex, LEErrorCode &success) const 16 { 17 LEReferenceToArrayOf<Offset> lookupTableOffsetArrayRef(base, success, (const Offset*)&lookupTableOffsetArray, SWAPW(lookupCount)); 18 19 if(LE_FAILURE(success) || lookupTableIndex>lookupTableOffsetArrayRef.getCount()) { 20 return LEReferenceTo<LookupTable>(); 21 } else { 22 return LEReferenceTo<LookupTable>(base, success, SWAPW(lookupTableOffsetArrayRef.getObject(lookupTableIndex, success))); 23 } 24 } 25 26 const LEReferenceTo<LookupSubtable> LookupTable::getLookupSubtable(const LEReferenceTo<LookupTable> &base, le_uint16 subtableIndex, LEErrorCode &success) const 27 { 28 LEReferenceToArrayOf<Offset> subTableOffsetArrayRef(base, success, (const Offset*)&subTableOffsetArray, SWAPW(subTableCount)); 29 30 if(LE_FAILURE(success) || subtableIndex>subTableOffsetArrayRef.getCount()) { 31 return LEReferenceTo<LookupSubtable>(); 32 } else { 33 return LEReferenceTo<LookupSubtable>(base, success, SWAPW(subTableOffsetArrayRef.getObject(subtableIndex, success))); 34 } 35 } 36 37 le_int32 LookupSubtable::getGlyphCoverage(const LEReferenceTo<LookupSubtable> &base, Offset tableOffset, LEGlyphID glyphID, LEErrorCode &success) const 38 { 39 const LEReferenceTo<CoverageTable> coverageTable(base, success, SWAPW(tableOffset)); 40 41 if(LE_FAILURE(success)) return 0; 42 43 return coverageTable->getGlyphCoverage(glyphID); 44 } 45 46 U_NAMESPACE_END 47