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-rw-r--r--Build/source/libs/icu/icu-4.8.1/layout/SingleSubstitutionSubtables.cpp79
1 files changed, 79 insertions, 0 deletions
diff --git a/Build/source/libs/icu/icu-4.8.1/layout/SingleSubstitutionSubtables.cpp b/Build/source/libs/icu/icu-4.8.1/layout/SingleSubstitutionSubtables.cpp
new file mode 100644
index 00000000000..ae72ddfd04f
--- /dev/null
+++ b/Build/source/libs/icu/icu-4.8.1/layout/SingleSubstitutionSubtables.cpp
@@ -0,0 +1,79 @@
+/*
+ *
+ * (C) Copyright IBM Corp. 1998-2004 - All Rights Reserved
+ *
+ */
+
+#include "LETypes.h"
+#include "LEGlyphFilter.h"
+#include "OpenTypeTables.h"
+#include "GlyphSubstitutionTables.h"
+#include "SingleSubstitutionSubtables.h"
+#include "GlyphIterator.h"
+#include "LESwaps.h"
+
+U_NAMESPACE_BEGIN
+
+le_uint32 SingleSubstitutionSubtable::process(GlyphIterator *glyphIterator, const LEGlyphFilter *filter) const
+{
+ switch(SWAPW(subtableFormat))
+ {
+ case 0:
+ return 0;
+
+ case 1:
+ {
+ const SingleSubstitutionFormat1Subtable *subtable = (const SingleSubstitutionFormat1Subtable *) this;
+
+ return subtable->process(glyphIterator, filter);
+ }
+
+ case 2:
+ {
+ const SingleSubstitutionFormat2Subtable *subtable = (const SingleSubstitutionFormat2Subtable *) this;
+
+ return subtable->process(glyphIterator, filter);
+ }
+
+ default:
+ return 0;
+ }
+}
+
+le_uint32 SingleSubstitutionFormat1Subtable::process(GlyphIterator *glyphIterator, const LEGlyphFilter *filter) const
+{
+ LEGlyphID glyph = glyphIterator->getCurrGlyphID();
+ le_int32 coverageIndex = getGlyphCoverage(glyph);
+
+ if (coverageIndex >= 0) {
+ TTGlyphID substitute = ((TTGlyphID) LE_GET_GLYPH(glyph)) + SWAPW(deltaGlyphID);
+
+ if (filter == NULL || filter->accept(LE_SET_GLYPH(glyph, substitute))) {
+ glyphIterator->setCurrGlyphID(substitute);
+ }
+
+ return 1;
+ }
+
+ return 0;
+}
+
+le_uint32 SingleSubstitutionFormat2Subtable::process(GlyphIterator *glyphIterator, const LEGlyphFilter *filter) const
+{
+ LEGlyphID glyph = glyphIterator->getCurrGlyphID();
+ le_int32 coverageIndex = getGlyphCoverage(glyph);
+
+ if (coverageIndex >= 0) {
+ TTGlyphID substitute = SWAPW(substituteArray[coverageIndex]);
+
+ if (filter == NULL || filter->accept(LE_SET_GLYPH(glyph, substitute))) {
+ glyphIterator->setCurrGlyphID(substitute);
+ }
+
+ return 1;
+ }
+
+ return 0;
+}
+
+U_NAMESPACE_END