fontservices/textshaperplugin/IcuSource/layout/CursiveAttachmentSubtables.cpp
changeset 0 1fb32624e06b
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/fontservices/textshaperplugin/IcuSource/layout/CursiveAttachmentSubtables.cpp	Tue Feb 02 02:02:46 2010 +0200
@@ -0,0 +1,49 @@
+/*
+ * (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"
+
+U_NAMESPACE_BEGIN
+
+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;
+}
+
+U_NAMESPACE_END