summaryrefslogtreecommitdiff
path: root/Build/source/libs/icu/icu-xetex/layout/LookupProcessor.h
diff options
context:
space:
mode:
Diffstat (limited to 'Build/source/libs/icu/icu-xetex/layout/LookupProcessor.h')
-rw-r--r--Build/source/libs/icu/icu-xetex/layout/LookupProcessor.h72
1 files changed, 72 insertions, 0 deletions
diff --git a/Build/source/libs/icu/icu-xetex/layout/LookupProcessor.h b/Build/source/libs/icu/icu-xetex/layout/LookupProcessor.h
new file mode 100644
index 00000000000..bc05ae63b79
--- /dev/null
+++ b/Build/source/libs/icu/icu-xetex/layout/LookupProcessor.h
@@ -0,0 +1,72 @@
+/*
+ * %W% %E%
+ *
+ * (C) Copyright IBM Corp. 1998-2005 - All Rights Reserved
+ *
+ */
+
+#ifndef __LOOKUPPROCESSOR_H
+#define __LOOKUPPROCESSOR_H
+
+/**
+ * \file
+ * \internal
+ */
+
+#include "LETypes.h"
+#include "LEFontInstance.h"
+#include "OpenTypeTables.h"
+//#include "Lookups.h"
+//#include "Features.h"
+
+U_NAMESPACE_BEGIN
+
+class LEFontInstance;
+class LEGlyphStorage;
+class GlyphIterator;
+class GlyphPositionAdjustments;
+struct FeatureTable;
+struct FeatureListTable;
+struct GlyphDefinitionTableHeader;
+struct LookupSubtable;
+struct LookupTable;
+
+class LookupProcessor : public UMemory {
+public:
+ le_int32 process(LEGlyphStorage &glyphStorage, GlyphPositionAdjustments *glyphPositionAdjustments,
+ le_bool rightToLeft, const GlyphDefinitionTableHeader *glyphDefinitionTableHeader, const LEFontInstance *fontInstance) const;
+
+ le_uint32 applyLookupTable(const LookupTable *lookupTable, GlyphIterator *glyphIterator, const LEFontInstance *fontInstance) const;
+
+ le_uint32 applySingleLookup(le_uint16 lookupTableIndex, GlyphIterator *glyphIterator, const LEFontInstance *fontInstance) const;
+
+ virtual le_uint32 applySubtable(const LookupSubtable *lookupSubtable, le_uint16 subtableType,
+ GlyphIterator *glyphIterator, const LEFontInstance *fontInstance) const = 0;
+
+ virtual ~LookupProcessor();
+
+protected:
+ LookupProcessor(const char *baseAddress,
+ Offset scriptListOffset, Offset featureListOffset, Offset lookupListOffset,
+ LETag scriptTag, LETag languageTag, const FeatureMap *featureMap, le_int32 featureMapCount, le_bool orderFeatures);
+
+ LookupProcessor();
+
+ le_int32 selectLookups(const FeatureTable *featureTable, FeatureMask featureMask, le_int32 order);
+
+ const LookupListTable *lookupListTable;
+ const FeatureListTable *featureListTable;
+
+ FeatureMask *lookupSelectArray;
+
+ le_uint16 *lookupOrderArray;
+ le_uint32 lookupOrderCount;
+
+private:
+
+ LookupProcessor(const LookupProcessor &other); // forbid copying of this class
+ LookupProcessor &operator=(const LookupProcessor &other); // forbid copying of this class
+};
+
+U_NAMESPACE_END
+#endif