1 /* 2 * (C) Copyright IBM Corp. 1998 - 2007 - All Rights Reserved 3 * 4 */ 5 6 #include "LETypes.h" 7 #include "OpenTypeTables.h" 8 #include "GlyphPositioningTables.h" 9 #include "CursiveAttachmentSubtables.h" 10 #include "AnchorTables.h" 11 #include "GlyphIterator.h" 12 #include "OpenTypeUtilities.h" 13 #include "LESwaps.h" 14 15 U_NAMESPACE_BEGIN 16 17 le_uint32 CursiveAttachmentSubtable::process(GlyphIterator *glyphIterator, const LEFontInstance *fontInstance) const 18 { 19 LEGlyphID glyphID = glyphIterator->getCurrGlyphID(); 20 le_int32 coverageIndex = getGlyphCoverage(glyphID); 21 le_uint16 eeCount = SWAPW(entryExitCount); 22 23 if (coverageIndex < 0 || coverageIndex >= eeCount) { 24 glyphIterator->setCursiveGlyph(); 25 return 0; 26 } 27 28 LEPoint entryAnchor, exitAnchor; 29 Offset entryOffset = SWAPW(entryExitRecords[coverageIndex].entryAnchor); 30 Offset exitOffset = SWAPW(entryExitRecords[coverageIndex].exitAnchor); 31 32 if (entryOffset != 0) { 33 const AnchorTable *entryAnchorTable = (const AnchorTable *) ((char *) this + entryOffset); 34 35 entryAnchorTable->getAnchor(glyphID, fontInstance, entryAnchor); 36 glyphIterator->setCursiveEntryPoint(entryAnchor); 37 } else { 38 //glyphIterator->clearCursiveEntryPoint(); 39 } 40 41 if (exitOffset != 0) { 42 const AnchorTable *exitAnchorTable = (const AnchorTable *) ((char *) this + exitOffset); 43 44 exitAnchorTable->getAnchor(glyphID, fontInstance, exitAnchor); 45 glyphIterator->setCursiveExitPoint(exitAnchor); 46 } else { 47 //glyphIterator->clearCursiveExitPoint(); 48 } 49 50 return 1; 51 } 52 53 U_NAMESPACE_END 54
