icuSources/test/perf/leperf/cmaps.h

   1 /**************************************************************************
   2 *
   3 *   © 2016 and later: Unicode, Inc. and others.
   4 *   License & terms of use: http://www.unicode.org/copyright.html#License
   5 *
   6 ***************************************************************************
   7 ***************************************************************************
   8 *
   9 *   Copyright (C) 1998-2013, International Business Machines
  10 *   Corporation and others.  All Rights Reserved.
  11 *
  12 ************************************************************************/
  13
  14
  15 #ifndef __CMAPS_H
  16 #define __CMAPS_H
  17
  18 #include "layout/LETypes.h"
  19 //#include "letest.h"
  20 #include "sfnt.h"
  21
  22 class CMAPMapper
  23 {
  24 public:
  25     virtual LEGlyphID unicodeToGlyph(LEUnicode32 unicode32) const = 0;
  26
  27     virtual ~CMAPMapper();
  28
  29     static CMAPMapper *createUnicodeMapper(const CMAPTable *cmap);
  30
  31 protected:
  32     CMAPMapper(const CMAPTable *cmap);
  33
  34     CMAPMapper() {};
  35
  36 private:
  37     const CMAPTable *fcmap;
  38 };
  39
  40 class CMAPFormat4Mapper : public CMAPMapper
  41 {
  42 public:
  43     CMAPFormat4Mapper(const CMAPTable *cmap, const CMAPFormat4Encoding *header);
  44
  45     virtual ~CMAPFormat4Mapper();
  46
  47     virtual LEGlyphID unicodeToGlyph(LEUnicode32 unicode32) const;
  48
  49 protected:
  50     CMAPFormat4Mapper() {};
  51
  52 private:
  53     le_uint16       fEntrySelector;
  54     le_uint16       fRangeShift;
  55     const le_uint16 *fEndCodes;
  56     const le_uint16 *fStartCodes;
  57     const le_uint16 *fIdDelta;
  58     const le_uint16 *fIdRangeOffset;
  59 };
  60
  61 class CMAPGroupMapper : public CMAPMapper
  62 {
  63 public:
  64     CMAPGroupMapper(const CMAPTable *cmap, const CMAPGroup *groups, le_uint32 nGroups);
  65
  66     virtual ~CMAPGroupMapper();
  67
  68     virtual LEGlyphID unicodeToGlyph(LEUnicode32 unicode32) const;
  69
  70 protected:
  71     CMAPGroupMapper() {};
  72
  73 private:
  74     le_int32 fPower;
  75     le_int32 fRangeOffset;
  76     const CMAPGroup *fGroups;
  77 };
  78
  79 inline CMAPMapper::CMAPMapper(const CMAPTable *cmap)
  80     : fcmap(cmap)
  81 {
  82     // nothing else to do
  83 }
  84
  85 inline CMAPMapper::~CMAPMapper()
  86 {
  87     LE_DELETE_ARRAY(fcmap);
  88 }
  89
  90 #endif
  91