fontservices/textshaperplugin/IcuSource/layout/TrimmedArrayProcessor.cpp
changeset 0 1fb32624e06b
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/fontservices/textshaperplugin/IcuSource/layout/TrimmedArrayProcessor.cpp	Tue Feb 02 02:02:46 2010 +0200
@@ -0,0 +1,55 @@
+/*
+ *
+ * (C) Copyright IBM Corp. 1998-2004 - All Rights Reserved
+ *
+ */
+
+#include "LETypes.h"
+#include "MorphTables.h"
+#include "SubtableProcessor.h"
+#include "NonContextualGlyphSubst.h"
+#include "NonContextualGlyphSubstProc.h"
+#include "TrimmedArrayProcessor.h"
+#include "LEGlyphStorage.h"
+#include "LESwaps.h"
+
+U_NAMESPACE_BEGIN
+
+UOBJECT_DEFINE_RTTI_IMPLEMENTATION(TrimmedArrayProcessor)
+
+TrimmedArrayProcessor::TrimmedArrayProcessor()
+{
+}
+
+TrimmedArrayProcessor::TrimmedArrayProcessor(const MorphSubtableHeader *morphSubtableHeader)
+  : NonContextualGlyphSubstitutionProcessor(morphSubtableHeader)
+{
+    const NonContextualGlyphSubstitutionHeader *header = (const NonContextualGlyphSubstitutionHeader *) morphSubtableHeader;
+
+    trimmedArrayLookupTable = (const TrimmedArrayLookupTable *) &header->table;
+    firstGlyph = SWAPW(trimmedArrayLookupTable->firstGlyph);
+    lastGlyph = firstGlyph + SWAPW(trimmedArrayLookupTable->glyphCount);
+}
+
+TrimmedArrayProcessor::~TrimmedArrayProcessor()
+{
+}
+
+void TrimmedArrayProcessor::process(LEGlyphStorage &glyphStorage)
+{
+    le_int32 glyphCount = glyphStorage.getGlyphCount();
+    le_int32 glyph;
+
+    for (glyph = 0; glyph < glyphCount; glyph += 1) {
+        LEGlyphID thisGlyph = glyphStorage[glyph];
+        TTGlyphID ttGlyph = (TTGlyphID) LE_GET_GLYPH(thisGlyph);
+
+        if ((ttGlyph > firstGlyph) && (ttGlyph < lastGlyph)) {
+            TTGlyphID newGlyph = SWAPW(trimmedArrayLookupTable->valueArray[ttGlyph - firstGlyph]);
+
+            glyphStorage[glyph] = LE_SET_GLYPH(thisGlyph, newGlyph);
+        }
+    }
+} 
+
+U_NAMESPACE_END