icuSources/layout/ContextualGlyphSubstProc2.h

   1 /*
   2  *
   3  * (C) Copyright IBM Corp.  and others 1998-2013 - All Rights Reserved
   4  *
   5  */
   6
   7 #ifndef __CONTEXTUALGLYPHSUBSTITUTIONPROCESSOR2_H
   8 #define __CONTEXTUALGLYPHSUBSTITUTIONPROCESSOR2_H
   9
  10 /**
  11  * \file
  12  * \internal
  13  */
  14
  15 #include "LETypes.h"
  16 #include "MorphTables.h"
  17 #include "SubtableProcessor2.h"
  18 #include "StateTableProcessor2.h"
  19 #include "ContextualGlyphSubstitution.h"
  20
  21 U_NAMESPACE_BEGIN
  22
  23 class LEGlyphStorage;
  24
  25 class ContextualGlyphSubstitutionProcessor2 : public StateTableProcessor2
  26 {
  27 public:
  28     virtual void beginStateTable();
  29
  30     virtual le_uint16 processStateEntry(LEGlyphStorage &glyphStorage, le_int32 &currGlyph, EntryTableIndex2 index);
  31
  32     virtual void endStateTable();
  33
  34     ContextualGlyphSubstitutionProcessor2(const MorphSubtableHeader2 *morphSubtableHeader);
  35     virtual ~ContextualGlyphSubstitutionProcessor2();
  36
  37     /**
  38      * ICU "poor man's RTTI", returns a UClassID for the actual class.
  39      *
  40      * @stable ICU 2.8
  41      */
  42     virtual UClassID getDynamicClassID() const;
  43
  44     /**
  45      * ICU "poor man's RTTI", returns a UClassID for this class.
  46      *
  47      * @stable ICU 2.8
  48      */
  49     static UClassID getStaticClassID();
  50
  51 private:
  52     ContextualGlyphSubstitutionProcessor2();
  53     TTGlyphID lookup(le_uint32 offset, LEGlyphID gid);
  54
  55 protected:
  56     const le_uint32* perGlyphTable;
  57     const ContextualGlyphStateEntry2 *entryTable;
  58
  59     le_int16 perGlyphTableFormat;
  60     le_int32 markGlyph;
  61
  62     const ContextualGlyphHeader2 *contextualGlyphHeader;
  63
  64 };
  65
  66 U_NAMESPACE_END
  67 #endif