jdk/src/share/native/sun/font/layout/CursiveAttachmentSubtables.cpp
changeset 2 90ce3da70b43
child 3935 afcdb712a9c5
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/share/native/sun/font/layout/CursiveAttachmentSubtables.cpp	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,70 @@
+/*
+ * 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 - 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"
+
+le_uint32 CursiveAttachmentSubtable::process(GlyphIterator *glyphIterator, const LEFontInstance *fontInstance) const
+{
+    LEGlyphID glyphID       = glyphIterator->getCurrGlyphID();
+    le_int32  coverageIndex = getGlyphCoverage(glyphID);
+    le_uint16 eeCount       = SWAPW(entryExitCount);
+
+    if (coverageIndex < 0 || coverageIndex >= eeCount) {
+        glyphIterator->setCursiveGlyph();
+        return 0;
+    }
+
+    LEPoint entryAnchor, exitAnchor;
+    Offset entryOffset = SWAPW(entryExitRecords[coverageIndex].entryAnchor);
+    Offset exitOffset  = SWAPW(entryExitRecords[coverageIndex].exitAnchor);
+
+    if (entryOffset != 0) {
+        const AnchorTable *entryAnchorTable = (const AnchorTable *) ((char *) this + entryOffset);
+
+        entryAnchorTable->getAnchor(glyphID, fontInstance, entryAnchor);
+        glyphIterator->setCursiveEntryPoint(entryAnchor);
+    }
+
+    if (exitOffset != 0) {
+        const AnchorTable *exitAnchorTable = (const AnchorTable *) ((char *) this + exitOffset);
+
+        exitAnchorTable->getAnchor(glyphID, fontInstance, exitAnchor);
+        glyphIterator->setCursiveExitPoint(exitAnchor);
+    }
+
+    return 1;
+}