| /* |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| /* |
| * (C) Copyright IBM Corp. 1998 - 2005 - All Rights Reserved |
| * |
| */ |
| |
| #include "LETypes.h" |
| #include "OpenTypeTables.h" |
| #include "GlyphPositioningTables.h" |
| #include "CursiveAttachmentSubtables.h" |
| #include "AnchorTables.h" |
| #include "GlyphIterator.h" |
| #include "OpenTypeUtilities.h" |
| #include "LESwaps.h" |
| |
| U_NAMESPACE_BEGIN |
| |
| le_uint32 CursiveAttachmentSubtable::process(const LEReferenceTo<CursiveAttachmentSubtable> &base, GlyphIterator *glyphIterator, const LEFontInstance *fontInstance, LEErrorCode &success) const |
| { |
| LEGlyphID glyphID = glyphIterator->getCurrGlyphID(); |
| le_int32 coverageIndex = getGlyphCoverage(base, glyphID, success); |
| le_uint16 eeCount = SWAPW(entryExitCount); |
| |
| LEReferenceToArrayOf<EntryExitRecord> |
| entryExitRecordsArrayRef(base, success, entryExitRecords, eeCount); |
| |
| if (coverageIndex < 0 || coverageIndex >= eeCount || LE_FAILURE(success)) { |
| glyphIterator->setCursiveGlyph(); |
| return 0; |
| } |
| |
| LEPoint entryAnchor, exitAnchor; |
| Offset entryOffset = SWAPW(entryExitRecords[coverageIndex].entryAnchor); |
| Offset exitOffset = SWAPW(entryExitRecords[coverageIndex].exitAnchor); |
| |
| if (entryOffset != 0) { |
| LEReferenceTo<AnchorTable> entryAnchorTable(base, success, entryOffset); |
| |
| if( LE_SUCCESS(success) ) { |
| entryAnchorTable->getAnchor(entryAnchorTable, glyphID, fontInstance, entryAnchor, success); |
| glyphIterator->setCursiveEntryPoint(entryAnchor); |
| } |
| } else { |
| //glyphIterator->clearCursiveEntryPoint(); |
| } |
| |
| if (exitOffset != 0) { |
| LEReferenceTo<AnchorTable> exitAnchorTable(base, success, exitOffset); |
| |
| if( LE_SUCCESS(success) ) { |
| exitAnchorTable->getAnchor(exitAnchorTable, glyphID, fontInstance, exitAnchor, success); |
| glyphIterator->setCursiveExitPoint(exitAnchor); |
| } |
| } else { |
| //glyphIterator->clearCursiveExitPoint(); |
| } |
| |
| return 1; |
| } |
| |
| U_NAMESPACE_END |