1/* 2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 3 * 4 * This code is free software; you can redistribute it and/or modify it 5 * under the terms of the GNU General Public License version 2 only, as 6 * published by the Free Software Foundation. Oracle designates this 7 * particular file as subject to the "Classpath" exception as provided 8 * by Oracle in the LICENSE file that accompanied this code. 9 * 10 * This code is distributed in the hope that it will be useful, but WITHOUT 11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 13 * version 2 for more details (a copy is included in the LICENSE file that 14 * accompanied this code). 15 * 16 * You should have received a copy of the GNU General Public License version 17 * 2 along with this work; if not, write to the Free Software Foundation, 18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 19 * 20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 21 * or visit www.oracle.com if you need additional information or have any 22 * questions. 23 * 24 */ 25 26/* 27 * 28 * (C) Copyright IBM Corp. 1998-2005 - All Rights Reserved 29 * 30 */ 31 32#include "LETypes.h" 33#include "LEFontInstance.h" 34#include "OpenTypeTables.h" 35#include "GlyphPositioningTables.h" 36#include "SinglePositioningSubtables.h" 37#include "ValueRecords.h" 38#include "GlyphIterator.h" 39#include "LESwaps.h" 40 41U_NAMESPACE_BEGIN 42 43le_uint32 SinglePositioningSubtable::process(const LEReferenceTo<SinglePositioningSubtable> &base, GlyphIterator *glyphIterator, const LEFontInstance *fontInstance, LEErrorCode &success) const 44{ 45 switch(SWAPW(subtableFormat)) 46 { 47 case 0: 48 return 0; 49 50 case 1: 51 { 52 const LEReferenceTo<SinglePositioningFormat1Subtable> subtable(base, success, (const SinglePositioningFormat1Subtable *) this); 53 54 return subtable->process(subtable, glyphIterator, fontInstance, success); 55 } 56 57 case 2: 58 { 59 const LEReferenceTo<SinglePositioningFormat2Subtable> subtable(base, success, (const SinglePositioningFormat2Subtable *) this); 60 61 return subtable->process(subtable, glyphIterator, fontInstance, success); 62 } 63 64 default: 65 return 0; 66 } 67} 68 69le_uint32 SinglePositioningFormat1Subtable::process(const LEReferenceTo<SinglePositioningFormat1Subtable> &base, GlyphIterator *glyphIterator, const LEFontInstance *fontInstance, LEErrorCode &success) const 70{ 71 LEGlyphID glyph = glyphIterator->getCurrGlyphID(); 72 le_int32 coverageIndex = getGlyphCoverage(base, glyph, success); 73 if (LE_FAILURE(success)) { 74 return 0; 75 } 76 77 if (coverageIndex >= 0) { 78 valueRecord.adjustPosition(SWAPW(valueFormat), base, *glyphIterator, fontInstance, success); 79 80 return 1; 81 } 82 83 return 0; 84} 85 86le_uint32 SinglePositioningFormat2Subtable::process(const LEReferenceTo<SinglePositioningFormat2Subtable> &base, GlyphIterator *glyphIterator, const LEFontInstance *fontInstance, LEErrorCode &success) const 87{ 88 LEGlyphID glyph = glyphIterator->getCurrGlyphID(); 89 le_int16 coverageIndex = (le_int16) getGlyphCoverage(base, glyph, success); 90 if (LE_FAILURE(success)) { 91 return 0; 92 } 93 94 if (coverageIndex >= 0) { 95 valueRecordArray[0].adjustPosition(coverageIndex, SWAPW(valueFormat), base, *glyphIterator, fontInstance, success); 96 97 return 1; 98 } 99 100 return 0; 101} 102 103U_NAMESPACE_END 104