1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/textandloc/fontservices/textshaperplugin/IcuSource/layout/LookupProcessor.h	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,83 @@
     1.4 +/*
     1.5 + * %W% %E%
     1.6 + *
     1.7 + * (C) Copyright IBM Corp. 1998-2005 - All Rights Reserved
     1.8 + *
     1.9 + */
    1.10 +
    1.11 +#ifndef __LOOKUPPROCESSOR_H
    1.12 +#define __LOOKUPPROCESSOR_H
    1.13 +
    1.14 +/**
    1.15 + * \file
    1.16 + * \internal
    1.17 + */
    1.18 +
    1.19 +#include "LETypes.h"
    1.20 +#include "LEFontInstance.h"
    1.21 +#include "OpenTypeTables.h"
    1.22 +//#include "Lookups.h"
    1.23 +//#include "Features.h"
    1.24 +
    1.25 +U_NAMESPACE_BEGIN
    1.26 +
    1.27 +class  LEFontInstance;
    1.28 +class  LEGlyphStorage;
    1.29 +class  GlyphIterator;
    1.30 +class  GlyphPositionAdjustments;
    1.31 +struct FeatureTable;
    1.32 +struct FeatureListTable;
    1.33 +struct GlyphDefinitionTableHeader;
    1.34 +struct LookupSubtable;
    1.35 +struct LookupTable;
    1.36 +
    1.37 +class LookupProcessor : public UMemory {
    1.38 +public:
    1.39 +    static const LETag notSelected;
    1.40 +    static const LETag defaultFeature;
    1.41 +
    1.42 +    le_bool isBogus();
    1.43 +
    1.44 +    le_int32 process(LEGlyphStorage &glyphStorage,
    1.45 +        GlyphPositionAdjustments *glyphPositionAdjustments, le_bool rightToLeft,
    1.46 +        const GlyphDefinitionTableHeader *glyphDefinitionTableHeader,
    1.47 +        const LEFontInstance *fontInstance, LEErrorCode& success) const;
    1.48 +
    1.49 +    le_uint32 applyLookupTable(const LookupTable *lookupTable, GlyphIterator *glyphIterator,
    1.50 +        const LEFontInstance *fontInstance, LEErrorCode& success) const;
    1.51 +
    1.52 +    le_uint32 applySingleLookup(le_uint16 lookupTableIndex, GlyphIterator *glyphIterator,
    1.53 +        const LEFontInstance *fontInstance, LEErrorCode& success) const;
    1.54 +
    1.55 +    virtual le_uint32 applySubtable(const LookupSubtable *lookupSubtable, le_uint16 subtableType,
    1.56 +        GlyphIterator *glyphIterator, const LEFontInstance *fontInstance,
    1.57 +        LEErrorCode& success) const = 0;
    1.58 +
    1.59 +    virtual ~LookupProcessor();
    1.60 +
    1.61 +protected:
    1.62 +    LookupProcessor(const char *baseAddress,
    1.63 +        Offset scriptListOffset, Offset featureListOffset, Offset lookupListOffset,
    1.64 +        LETag scriptTag, LETag languageTag, const LETag *featureOrder);
    1.65 +
    1.66 +    LookupProcessor();
    1.67 +
    1.68 +    le_int32 selectLookups(const FeatureTable *featureTable, LETag featureTag, le_int32 order);
    1.69 +
    1.70 +    const LookupListTable   *lookupListTable;
    1.71 +    const FeatureListTable  *featureListTable;
    1.72 +
    1.73 +    LETag                   *lookupSelectArray;
    1.74 +    LETag                   requiredFeatureTag;
    1.75 +
    1.76 +    le_uint16               *lookupOrderArray;
    1.77 +    le_uint32               lookupOrderCount;
    1.78 +
    1.79 +private:
    1.80 +
    1.81 +    LookupProcessor(const LookupProcessor &other); // forbid copying of this class
    1.82 +    LookupProcessor &operator=(const LookupProcessor &other); // forbid copying of this class
    1.83 +};
    1.84 +
    1.85 +U_NAMESPACE_END
    1.86 +#endif