jdk/src/share/native/sun/font/layout/LookupTables.h
changeset 2 90ce3da70b43
child 3935 afcdb712a9c5
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/share/native/sun/font/layout/LookupTables.h	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,107 @@
+/*
+ * 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 __LOOKUPTABLES_H
+#define __LOOKUPTABLES_H
+
+#include "LETypes.h"
+#include "LayoutTables.h"
+
+enum LookupTableFormat
+{
+    ltfSimpleArray      = 0,
+    ltfSegmentSingle    = 2,
+    ltfSegmentArray     = 4,
+    ltfSingleTable      = 6,
+    ltfTrimmedArray     = 8
+};
+
+typedef le_int16 LookupValue;
+
+struct LookupTable
+{
+    le_int16 format;
+};
+
+struct LookupSegment
+{
+    TTGlyphID   lastGlyph;
+    TTGlyphID   firstGlyph;
+    LookupValue value;
+};
+
+struct LookupSingle
+{
+    TTGlyphID   glyph;
+    LookupValue value;
+};
+
+struct BinarySearchLookupTable : LookupTable
+{
+    le_int16 unitSize;
+    le_int16 nUnits;
+    le_int16 searchRange;
+    le_int16 entrySelector;
+    le_int16 rangeShift;
+
+    const LookupSegment *lookupSegment(const LookupSegment *segments, LEGlyphID glyph) const;
+
+    const LookupSingle *lookupSingle(const LookupSingle *entries, LEGlyphID glyph) const;
+};
+
+struct SimpleArrayLookupTable : LookupTable
+{
+    LookupValue valueArray[ANY_NUMBER];
+};
+
+struct SegmentSingleLookupTable : BinarySearchLookupTable
+{
+    LookupSegment segments[ANY_NUMBER];
+};
+
+struct SegmentArrayLookupTable : BinarySearchLookupTable
+{
+    LookupSegment segments[ANY_NUMBER];
+};
+
+struct SingleTableLookupTable : BinarySearchLookupTable
+{
+    LookupSingle entries[ANY_NUMBER];
+};
+
+struct TrimmedArrayLookupTable : LookupTable
+{
+    TTGlyphID   firstGlyph;
+    TTGlyphID   glyphCount;
+    LookupValue valueArray[ANY_NUMBER];
+};
+
+#endif