ICU-511.25.tar.gz

[apple/icu.git] / icuSources / layout / SegmentSingleProcessor2.cpp

diff --git a/icuSources/layout/SegmentSingleProcessor2.cpp b/icuSources/layout/SegmentSingleProcessor2.cpp
new file mode 100644 (file)
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+++ b/icuSources/layout/SegmentSingleProcessor2.cpp
@@ -0,0 +1,54 @@
+/*
+ *
+ * (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 "SegmentSingleProcessor2.h"
+#include "LEGlyphStorage.h"
+#include "LESwaps.h"
+
+U_NAMESPACE_BEGIN
+
+UOBJECT_DEFINE_RTTI_IMPLEMENTATION(SegmentSingleProcessor2)
+
+SegmentSingleProcessor2::SegmentSingleProcessor2()
+{
+}
+
+SegmentSingleProcessor2::SegmentSingleProcessor2(const MorphSubtableHeader2 *morphSubtableHeader)
+  : NonContextualGlyphSubstitutionProcessor2(morphSubtableHeader)
+{
+    const NonContextualGlyphSubstitutionHeader2 *header = (const NonContextualGlyphSubstitutionHeader2 *) morphSubtableHeader;
+
+    segmentSingleLookupTable = (const SegmentSingleLookupTable *) &header->table;
+}
+
+SegmentSingleProcessor2::~SegmentSingleProcessor2()
+{
+}
+
+void SegmentSingleProcessor2::process(LEGlyphStorage &glyphStorage)
+{
+    const LookupSegment *segments = segmentSingleLookupTable->segments;
+    le_int32 glyphCount = glyphStorage.getGlyphCount();
+    le_int32 glyph;
+
+    for (glyph = 0; glyph < glyphCount; glyph += 1) {
+        LEGlyphID thisGlyph = glyphStorage[glyph];
+        const LookupSegment *lookupSegment = segmentSingleLookupTable->lookupSegment(segments, thisGlyph);
+
+        if (lookupSegment != NULL) {
+            TTGlyphID   newGlyph  = (TTGlyphID) LE_GET_GLYPH(thisGlyph) + SWAPW(lookupSegment->value);
+
+            glyphStorage[glyph] = LE_SET_GLYPH(thisGlyph, newGlyph);
+        }
+    }
+}
+
+U_NAMESPACE_END