Mercurial > hg > release > icedtea7-forest-2.1 > jdk
view src/share/native/sun/font/layout/PairPositioningSubtables.h @ 4936:a03c8f40cbc6
8012421: Better positioning of PairPositioning
Reviewed-by: srl, mschoene, vadim
author | prr |
---|---|
date | Fri, 19 Apr 2013 15:40:03 -0700 |
parents | cd1f77ec3f92 |
children |
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/* * 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. 1998-2004 - All Rights Reserved * */ #ifndef __PAIRPOSITIONINGSUBTABLES_H #define __PAIRPOSITIONINGSUBTABLES_H /** * \file * \internal */ #include "LETypes.h" #include "LEFontInstance.h" #include "OpenTypeTables.h" #include "GlyphPositioningTables.h" #include "ValueRecords.h" #include "GlyphIterator.h" U_NAMESPACE_BEGIN // NOTE: ValueRecord has a variable size struct PairValueRecord { TTGlyphID secondGlyph; ValueRecord valueRecord1; // ValueRecord valueRecord2; }; struct PairSetTable { le_uint16 pairValueCount; PairValueRecord pairValueRecordArray[ANY_NUMBER]; }; LE_VAR_ARRAY(PairSetTable, pairValueRecordArray) struct PairPositioningSubtable : GlyphPositioningSubtable { ValueFormat valueFormat1; ValueFormat valueFormat2; le_uint32 process(const LEReferenceTo<PairPositioningSubtable> &base, GlyphIterator *glyphIterator, const LEFontInstance *fontInstance, LEErrorCode &success) const; }; struct PairPositioningFormat1Subtable : PairPositioningSubtable { le_uint16 pairSetCount; Offset pairSetTableOffsetArray[ANY_NUMBER]; le_uint32 process(const LEReferenceTo<PairPositioningFormat1Subtable> &base, GlyphIterator *glyphIterator, const LEFontInstance *fontInstance, LEErrorCode &success) const; private: LEReferenceTo<PairValueRecord> findPairValueRecord(const LETableReference &base, TTGlyphID glyphID, const PairValueRecord *records, le_uint16 recordCount, le_uint16 recordSize, LEErrorCode &success) const; }; LE_VAR_ARRAY(PairPositioningFormat1Subtable, pairSetTableOffsetArray) // NOTE: ValueRecord has a variable size struct Class2Record { ValueRecord valueRecord1; // ValueRecord valurRecord2; }; struct Class1Record { Class2Record class2RecordArray[ANY_NUMBER]; }; LE_VAR_ARRAY(Class1Record, class2RecordArray) struct PairPositioningFormat2Subtable : PairPositioningSubtable { Offset classDef1Offset; Offset classDef2Offset; le_uint16 class1Count; le_uint16 class2Count; Class1Record class1RecordArray[ANY_NUMBER]; le_uint32 process(const LEReferenceTo<PairPositioningFormat2Subtable> &base, GlyphIterator *glyphIterator, const LEFontInstance *fontInstance, LEErrorCode &success) const; }; LE_VAR_ARRAY(PairPositioningFormat2Subtable, class1RecordArray) U_NAMESPACE_END #endif