fontservices/textshaperplugin/IcuSource/layout/SinglePositioningSubtables.cpp
changeset 0 1fb32624e06b
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/fontservices/textshaperplugin/IcuSource/layout/SinglePositioningSubtables.cpp	Tue Feb 02 02:02:46 2010 +0200
@@ -0,0 +1,72 @@
+/*
+ *
+ * (C) Copyright IBM Corp. 1998-2005 - All Rights Reserved
+ *
+ */
+
+#include "LETypes.h"
+#include "LEFontInstance.h"
+#include "OpenTypeTables.h"
+#include "GlyphPositioningTables.h"
+#include "SinglePositioningSubtables.h"
+#include "ValueRecords.h"
+#include "GlyphIterator.h"
+#include "LESwaps.h"
+
+U_NAMESPACE_BEGIN
+
+le_uint32 SinglePositioningSubtable::process(GlyphIterator *glyphIterator, const LEFontInstance *fontInstance) const
+{
+    switch(SWAPW(subtableFormat))
+    {
+    case 0:
+        return 0;
+
+    case 1:
+    {
+        const SinglePositioningFormat1Subtable *subtable = (const SinglePositioningFormat1Subtable *) this;
+
+        return subtable->process(glyphIterator, fontInstance);
+    }
+
+    case 2:
+    {
+        const SinglePositioningFormat2Subtable *subtable = (const SinglePositioningFormat2Subtable *) this;
+
+        return subtable->process(glyphIterator, fontInstance);
+    }
+
+    default:
+        return 0;
+    }
+}
+
+le_uint32 SinglePositioningFormat1Subtable::process(GlyphIterator *glyphIterator, const LEFontInstance *fontInstance) const
+{
+    LEGlyphID glyph = glyphIterator->getCurrGlyphID();
+    le_int32 coverageIndex = getGlyphCoverage(glyph);
+
+    if (coverageIndex >= 0) {
+        valueRecord.adjustPosition(SWAPW(valueFormat), (const char *) this, *glyphIterator, fontInstance);
+
+        return 1;
+    }
+
+    return 0;
+}
+
+le_uint32 SinglePositioningFormat2Subtable::process(GlyphIterator *glyphIterator, const LEFontInstance *fontInstance) const
+{
+    LEGlyphID glyph = glyphIterator->getCurrGlyphID();
+    le_int16 coverageIndex = (le_int16) getGlyphCoverage(glyph);
+
+    if (coverageIndex >= 0) {
+        valueRecordArray[0].adjustPosition(coverageIndex, SWAPW(valueFormat), (const char *) this, *glyphIterator, fontInstance);
+
+        return 1;
+    }
+
+    return 0;
+}
+
+U_NAMESPACE_END