jdk/src/share/native/sun/font/layout/SegmentArrayProcessor2.cpp
changeset 16889 3df90f344221
child 16891 91e99bed64ae
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/share/native/sun/font/layout/SegmentArrayProcessor2.cpp	Fri Feb 15 13:07:17 2013 -0800
@@ -0,0 +1,85 @@
+/*
+ * 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.  and others 1998-2013 - All Rights Reserved
+ *
+ */
+
+#include "LETypes.h"
+#include "MorphTables.h"
+#include "SubtableProcessor2.h"
+#include "NonContextualGlyphSubst.h"
+#include "NonContextualGlyphSubstProc2.h"
+#include "SegmentArrayProcessor2.h"
+#include "LEGlyphStorage.h"
+#include "LESwaps.h"
+
+U_NAMESPACE_BEGIN
+
+UOBJECT_DEFINE_RTTI_IMPLEMENTATION(SegmentArrayProcessor2)
+
+SegmentArrayProcessor2::SegmentArrayProcessor2()
+{
+}
+
+SegmentArrayProcessor2::SegmentArrayProcessor2(const MorphSubtableHeader2 *morphSubtableHeader)
+  : NonContextualGlyphSubstitutionProcessor2(morphSubtableHeader)
+{
+    const NonContextualGlyphSubstitutionHeader2 *header = (const NonContextualGlyphSubstitutionHeader2 *) morphSubtableHeader;
+
+    segmentArrayLookupTable = (const SegmentArrayLookupTable *) &header->table;
+}
+
+SegmentArrayProcessor2::~SegmentArrayProcessor2()
+{
+}
+
+void SegmentArrayProcessor2::process(LEGlyphStorage &glyphStorage)
+{
+    const LookupSegment *segments = segmentArrayLookupTable->segments;
+    le_int32 glyphCount = glyphStorage.getGlyphCount();
+    le_int32 glyph;
+
+    for (glyph = 0; glyph < glyphCount; glyph += 1) {
+        LEGlyphID thisGlyph = glyphStorage[glyph];
+        const LookupSegment *lookupSegment = segmentArrayLookupTable->lookupSegment(segments, thisGlyph);
+
+        if (lookupSegment != NULL)  {
+            TTGlyphID firstGlyph = SWAPW(lookupSegment->firstGlyph);
+            le_int16  offset = SWAPW(lookupSegment->value);
+
+            if (offset != 0) {
+                TTGlyphID  *glyphArray = (TTGlyphID *) ((char *) subtableHeader + offset);
+                TTGlyphID   newGlyph   = SWAPW(glyphArray[LE_GET_GLYPH(thisGlyph) - firstGlyph]);
+
+                glyphStorage[glyph] = LE_SET_GLYPH(thisGlyph, newGlyph);
+            }
+        }
+    }
+}
+
+U_NAMESPACE_END