1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/textandloc/fontservices/textshaperplugin/IcuSource/layout/GlyphIterator.h	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,97 @@
     1.4 +/*
     1.5 + *
     1.6 + * (C) Copyright IBM Corp. 1998-2005 - All Rights Reserved
     1.7 + *
     1.8 + */
     1.9 +
    1.10 +#ifndef __GLYPHITERATOR_H
    1.11 +#define __GLYPHITERATOR_H
    1.12 +
    1.13 +/**
    1.14 + * \file
    1.15 + * \internal
    1.16 + */
    1.17 +
    1.18 +#include "LETypes.h"
    1.19 +#include "OpenTypeTables.h"
    1.20 +#include "GlyphDefinitionTables.h"
    1.21 +
    1.22 +U_NAMESPACE_BEGIN
    1.23 +
    1.24 +class LEGlyphStorage;
    1.25 +class GlyphPositionAdjustments;
    1.26 +
    1.27 +class GlyphIterator : public UMemory {
    1.28 +public:
    1.29 +    GlyphIterator(LEGlyphStorage &theGlyphStorage, GlyphPositionAdjustments *theGlyphPositionAdjustments, le_bool rightToLeft, le_uint16 theLookupFlags, LETag theFeatureTag,
    1.30 +        const GlyphDefinitionTableHeader *theGlyphDefinitionTableHeader);
    1.31 +
    1.32 +    GlyphIterator(GlyphIterator &that);
    1.33 +
    1.34 +    GlyphIterator(GlyphIterator &that, LETag newFeatureTag);
    1.35 +
    1.36 +    GlyphIterator(GlyphIterator &that, le_uint16 newLookupFlags);
    1.37 +
    1.38 +    virtual ~GlyphIterator();
    1.39 +
    1.40 +    void reset(le_uint16 newLookupFlags, LETag newFeatureTag);
    1.41 +
    1.42 +    le_bool next(le_uint32 delta = 1);
    1.43 +    le_bool prev(le_uint32 delta = 1);
    1.44 +    le_bool findFeatureTag();
    1.45 +
    1.46 +    le_bool isRightToLeft() const;
    1.47 +    le_bool ignoresMarks() const;
    1.48 +
    1.49 +    le_bool baselineIsLogicalEnd() const;
    1.50 +
    1.51 +    LEGlyphID getCurrGlyphID() const;
    1.52 +    le_int32  getCurrStreamPosition() const;
    1.53 +
    1.54 +    le_int32  getMarkComponent(le_int32 markPosition) const;
    1.55 +    le_bool   findMark2Glyph();
    1.56 +
    1.57 +    void getCursiveEntryPoint(LEPoint &entryPoint) const;
    1.58 +    void getCursiveExitPoint(LEPoint &exitPoint) const;
    1.59 +
    1.60 +    void setCurrGlyphID(TTGlyphID glyphID);
    1.61 +    void setCurrStreamPosition(le_int32 position);
    1.62 +    void setCurrGlyphBaseOffset(le_int32 baseOffset);
    1.63 +    void adjustCurrGlyphPositionAdjustment(float xPlacementAdjust, float yPlacementAdjust,
    1.64 +                                           float xAdvanceAdjust,   float yAdvanceAdjust);
    1.65 +
    1.66 +    void setCurrGlyphPositionAdjustment(float xPlacementAdjust, float yPlacementAdjust,
    1.67 +                                        float xAdvanceAdjust,   float yAdvanceAdjust);
    1.68 +
    1.69 +    void setCursiveEntryPoint(LEPoint &entryPoint);
    1.70 +    void setCursiveExitPoint(LEPoint &exitPoint);
    1.71 +    void setCursiveGlyph();
    1.72 +
    1.73 +    LEGlyphID *insertGlyphs(le_int32 count, LEErrorCode& success);
    1.74 +    le_int32 applyInsertions();
    1.75 +
    1.76 +private:
    1.77 +    le_bool filterGlyph(le_uint32 index) const;
    1.78 +    le_bool hasFeatureTag() const;
    1.79 +    le_bool nextInternal(le_uint32 delta = 1);
    1.80 +    le_bool prevInternal(le_uint32 delta = 1);
    1.81 +
    1.82 +    le_int32  direction;
    1.83 +    le_int32  position;
    1.84 +    le_int32  nextLimit;
    1.85 +    le_int32  prevLimit;
    1.86 +
    1.87 +    LEGlyphStorage &glyphStorage;
    1.88 +    GlyphPositionAdjustments *glyphPositionAdjustments;
    1.89 +    le_int32 srcIndex;
    1.90 +    le_int32 destIndex;
    1.91 +    le_uint16 lookupFlags;
    1.92 +    LETag    featureTag;
    1.93 +    const GlyphClassDefinitionTable *glyphClassDefinitionTable;
    1.94 +    const MarkAttachClassDefinitionTable *markAttachClassDefinitionTable;
    1.95 +
    1.96 +    GlyphIterator &operator=(const GlyphIterator &other); // forbid copying of this class
    1.97 +};
    1.98 +
    1.99 +U_NAMESPACE_END
   1.100 +#endif