source/layout/StateTableProcessor.h

   1 /*
   2  *
   3  * (C) Copyright IBM Corp. 1998-2013 - All Rights Reserved
   4  *
   5  */
   6
   7 #ifndef __STATETABLEPROCESSOR_H
   8 #define __STATETABLEPROCESSOR_H
   9
  10 /**
  11  * \file
  12  * \internal
  13  */
  14
  15 #include "LETypes.h"
  16 #include "MorphTables.h"
  17 #include "MorphStateTables.h"
  18 #include "SubtableProcessor.h"
  19
  20 U_NAMESPACE_BEGIN
  21
  22 class LEGlyphStorage;
  23
  24 class StateTableProcessor : public SubtableProcessor
  25 {
  26 public:
  27     void process(LEGlyphStorage &glyphStorage, LEErrorCode &success);
  28
  29     virtual void beginStateTable() = 0;
  30
  31     virtual ByteOffset processStateEntry(LEGlyphStorage &glyphStorage, le_int32 &currGlyph, EntryTableIndex index) = 0;
  32
  33     virtual void endStateTable() = 0;
  34
  35 protected:
  36     StateTableProcessor(const LEReferenceTo<MorphSubtableHeader> &morphSubtableHeader, LEErrorCode &success);
  37     virtual ~StateTableProcessor();
  38
  39     StateTableProcessor();
  40
  41     le_int16 stateSize;
  42     ByteOffset classTableOffset;
  43     ByteOffset stateArrayOffset;
  44     ByteOffset entryTableOffset;
  45
  46     LEReferenceTo<ClassTable> classTable;
  47     TTGlyphID firstGlyph;
  48     TTGlyphID lastGlyph;
  49
  50     LEReferenceTo<MorphStateTableHeader> stateTableHeader;
  51     LEReferenceTo<StateTableHeader> stHeader; // for convenience
  52
  53 private:
  54     StateTableProcessor(const StateTableProcessor &other); // forbid copying of this class
  55     StateTableProcessor &operator=(const StateTableProcessor &other); // forbid copying of this class
  56 };
  57
  58 U_NAMESPACE_END
  59 #endif