--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/share/native/sun/font/layout/ContextualSubstSubtables.h Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,221 @@
+/*
+ * 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. Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+/*
+ *
+ * (C) Copyright IBM Corp. 1998-2004 - All Rights Reserved
+ *
+ */
+
+#ifndef __CONTEXTUALSUBSTITUTIONSUBTABLES_H
+#define __CONTEXTUALSUBSTITUTIONSUBTABLES_H
+
+#include "LETypes.h"
+#include "LEFontInstance.h"
+#include "OpenTypeTables.h"
+#include "GlyphSubstitutionTables.h"
+#include "GlyphIterator.h"
+#include "LookupProcessor.h"
+
+struct SubstitutionLookupRecord
+{
+ le_uint16 sequenceIndex;
+ le_uint16 lookupListIndex;
+};
+
+struct ContextualSubstitutionBase : GlyphSubstitutionSubtable
+{
+ static le_bool matchGlyphIDs(
+ const TTGlyphID *glyphArray, le_uint16 glyphCount, GlyphIterator *glyphIterator,
+ le_bool backtrack = FALSE);
+
+ static le_bool matchGlyphClasses(
+ const le_uint16 *classArray, le_uint16 glyphCount, GlyphIterator *glyphIterator,
+ const ClassDefinitionTable *classDefinitionTable, le_bool backtrack = FALSE);
+
+ static le_bool matchGlyphCoverages(
+ const Offset *coverageTableOffsetArray, le_uint16 glyphCount,
+ GlyphIterator *glyphIterator, const char *offsetBase, le_bool backtrack = FALSE);
+
+ static void applySubstitutionLookups(
+ const LookupProcessor *lookupProcessor,
+ const SubstitutionLookupRecord *substLookupRecordArray,
+ le_uint16 substCount,
+ GlyphIterator *glyphIterator,
+ const LEFontInstance *fontInstance,
+ le_int32 position);
+};
+
+struct ContextualSubstitutionSubtable : ContextualSubstitutionBase
+{
+ le_uint32 process(const LookupProcessor *lookupProcessor, GlyphIterator *glyphIterator, const LEFontInstance *fontInstance) const;
+};
+
+struct ContextualSubstitutionFormat1Subtable : ContextualSubstitutionSubtable
+{
+ le_uint16 subRuleSetCount;
+ Offset subRuleSetTableOffsetArray[ANY_NUMBER];
+
+ le_uint32 process(const LookupProcessor *lookupProcessor, GlyphIterator *glyphIterator, const LEFontInstance *fontInstance) const;
+};
+
+struct SubRuleSetTable
+{
+ le_uint16 subRuleCount;
+ Offset subRuleTableOffsetArray[ANY_NUMBER];
+
+};
+
+// NOTE: Multiple variable size arrays!!
+struct SubRuleTable
+{
+ le_uint16 glyphCount;
+ le_uint16 substCount;
+ TTGlyphID inputGlyphArray[ANY_NUMBER];
+ //SubstitutionLookupRecord substLookupRecordArray[ANY_NUMBER];
+};
+
+struct ContextualSubstitutionFormat2Subtable : ContextualSubstitutionSubtable
+{
+ Offset classDefTableOffset;
+ le_uint16 subClassSetCount;
+ Offset subClassSetTableOffsetArray[ANY_NUMBER];
+
+ le_uint32 process(const LookupProcessor *lookupProcessor, GlyphIterator *glyphIterator, const LEFontInstance *fontInstance) const;
+};
+
+struct SubClassSetTable
+{
+ le_uint16 subClassRuleCount;
+ Offset subClassRuleTableOffsetArray[ANY_NUMBER];
+};
+
+// NOTE: Multiple variable size arrays!!
+struct SubClassRuleTable
+{
+ le_uint16 glyphCount;
+ le_uint16 substCount;
+ le_uint16 classArray[ANY_NUMBER];
+ //SubstitutionLookupRecord substLookupRecordArray[ANY_NUMBER];
+};
+
+// NOTE: This isn't a subclass of GlyphSubstitutionSubtable 'cause
+// it has an array of coverage tables instead of a single coverage table...
+//
+// NOTE: Multiple variable size arrays!!
+struct ContextualSubstitutionFormat3Subtable
+{
+ le_uint16 substFormat;
+ le_uint16 glyphCount;
+ le_uint16 substCount;
+ Offset coverageTableOffsetArray[ANY_NUMBER];
+ //SubstitutionLookupRecord substLookupRecord[ANY_NUMBER];
+
+ le_uint32 process(const LookupProcessor *lookupProcessor, GlyphIterator *glyphIterator, const LEFontInstance *fontInstance) const;
+};
+
+struct ChainingContextualSubstitutionSubtable : ContextualSubstitutionBase
+{
+ le_uint32 process(const LookupProcessor *lookupProcessor, GlyphIterator *glyphIterator, const LEFontInstance *fontInstance) const;
+};
+
+struct ChainingContextualSubstitutionFormat1Subtable : ChainingContextualSubstitutionSubtable
+{
+ le_uint16 chainSubRuleSetCount;
+ Offset chainSubRuleSetTableOffsetArray[ANY_NUMBER];
+
+ le_uint32 process(const LookupProcessor *lookupProcessor, GlyphIterator *glyphIterator, const LEFontInstance *fontInstance) const;
+};
+
+struct ChainSubRuleSetTable
+{
+ le_uint16 chainSubRuleCount;
+ Offset chainSubRuleTableOffsetArray[ANY_NUMBER];
+
+};
+
+// NOTE: Multiple variable size arrays!!
+struct ChainSubRuleTable
+{
+ le_uint16 backtrackGlyphCount;
+ TTGlyphID backtrackGlyphArray[ANY_NUMBER];
+ //le_uint16 inputGlyphCount;
+ //TTGlyphID inputGlyphArray[ANY_NUMBER];
+ //le_uint16 lookaheadGlyphCount;
+ //TTGlyphID lookaheadGlyphArray[ANY_NUMBER];
+ //le_uint16 substCount;
+ //SubstitutionLookupRecord substLookupRecordArray[ANY_NUMBER];
+};
+
+struct ChainingContextualSubstitutionFormat2Subtable : ChainingContextualSubstitutionSubtable
+{
+ Offset backtrackClassDefTableOffset;
+ Offset inputClassDefTableOffset;
+ Offset lookaheadClassDefTableOffset;
+ le_uint16 chainSubClassSetCount;
+ Offset chainSubClassSetTableOffsetArray[ANY_NUMBER];
+
+ le_uint32 process(const LookupProcessor *lookupProcessor, GlyphIterator *glyphIterator, const LEFontInstance *fontInstance) const;
+};
+
+struct ChainSubClassSetTable
+{
+ le_uint16 chainSubClassRuleCount;
+ Offset chainSubClassRuleTableOffsetArray[ANY_NUMBER];
+};
+
+// NOTE: Multiple variable size arrays!!
+struct ChainSubClassRuleTable
+{
+ le_uint16 backtrackGlyphCount;
+ le_uint16 backtrackClassArray[ANY_NUMBER];
+ //le_uint16 inputGlyphCount;
+ //le_uint16 inputClassArray[ANY_NUMBER];
+ //le_uint16 lookaheadGlyphCount;
+ //le_uint16 lookaheadClassArray[ANY_NUMBER];
+ //le_uint16 substCount;
+ //SubstitutionLookupRecord substLookupRecordArray[ANY_NUMBER];
+};
+
+// NOTE: This isn't a subclass of GlyphSubstitutionSubtable 'cause
+// it has arrays of coverage tables instead of a single coverage table...
+//
+// NOTE: Multiple variable size arrays!!
+struct ChainingContextualSubstitutionFormat3Subtable
+{
+ le_uint16 substFormat;
+ le_uint16 backtrackGlyphCount;
+ Offset backtrackCoverageTableOffsetArray[ANY_NUMBER];
+ //le_uint16 inputGlyphCount;
+ //Offset inputCoverageTableOffsetArray[ANY_NUMBER];
+ //le_uint16 lookaheadGlyphCount;
+ //le_uint16 lookaheadCoverageTableOffsetArray[ANY_NUMBER];
+ //le_uint16 substCount;
+ //SubstitutionLookupRecord substLookupRecord[ANY_NUMBER];
+
+ le_uint32 process(const LookupProcessor *lookupProcessor, GlyphIterator *glyphIterator, const LEFontInstance *fontInstance) const;
+};
+
+#endif