86 lines
2.6 KiB
C++
86 lines
2.6 KiB
C++
/*
|
|
* %W% %E%
|
|
*
|
|
* (C) Copyright IBM Corp. 1998-2013 - All Rights Reserved
|
|
*
|
|
*/
|
|
|
|
#ifndef __LOOKUPPROCESSOR_H
|
|
#define __LOOKUPPROCESSOR_H
|
|
|
|
/**
|
|
* \file
|
|
* \internal
|
|
*/
|
|
|
|
#include "LETypes.h"
|
|
#include "LEFontInstance.h"
|
|
#include "OpenTypeTables.h"
|
|
#include "LETableReference.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 LEReferenceTo<GlyphDefinitionTableHeader> &glyphDefinitionTableHeader, const LEFontInstance *fontInstance, LEErrorCode& success) const;
|
|
|
|
le_uint32 applyLookupTable(const LEReferenceTo<LookupTable> &lookupTable, GlyphIterator *glyphIterator, const LEFontInstance *fontInstance, LEErrorCode& success) const;
|
|
|
|
le_uint32 applySingleLookup(le_uint16 lookupTableIndex, GlyphIterator *glyphIterator, const LEFontInstance *fontInstance, LEErrorCode& success) const;
|
|
|
|
virtual le_uint32 applySubtable(const LEReferenceTo<LookupSubtable> &lookupSubtable, le_uint16 subtableType,
|
|
GlyphIterator *glyphIterator, const LEFontInstance *fontInstance, LEErrorCode& success) const = 0;
|
|
|
|
virtual ~LookupProcessor();
|
|
|
|
const LETableReference &getReference() const { return fReference; }
|
|
|
|
protected:
|
|
LookupProcessor(const LETableReference &baseAddress,
|
|
Offset scriptListOffset,
|
|
Offset featureListOffset,
|
|
Offset lookupListOffset,
|
|
LETag scriptTag,
|
|
LETag languageTag,
|
|
const FeatureMap *featureMap,
|
|
le_int32 featureMapCount,
|
|
le_bool orderFeatures,
|
|
LEErrorCode& success);
|
|
|
|
LookupProcessor();
|
|
|
|
le_int32 selectLookups(const LEReferenceTo<FeatureTable> &featureTable, FeatureMask featureMask, le_int32 order, LEErrorCode &success);
|
|
|
|
LEReferenceTo<LookupListTable> lookupListTable;
|
|
LEReferenceTo<FeatureListTable> featureListTable;
|
|
|
|
FeatureMask *lookupSelectArray;
|
|
le_uint32 lookupSelectCount;
|
|
|
|
le_uint16 *lookupOrderArray;
|
|
le_uint32 lookupOrderCount;
|
|
|
|
LETableReference fReference;
|
|
|
|
private:
|
|
|
|
LookupProcessor(const LookupProcessor &other); // forbid copying of this class
|
|
LookupProcessor &operator=(const LookupProcessor &other); // forbid copying of this class
|
|
};
|
|
|
|
U_NAMESPACE_END
|
|
#endif
|