icuSources/layout/OpenTypeUtilities.h

   1 /*
   2  *
   3  * (C) Copyright IBM Corp. 1998-2013 - All Rights Reserved
   4  *
   5  */
   6
   7 #ifndef __OPENTYPEUTILITIES_H
   8 #define __OPENTYPEUTILITIES_H
   9
  10 /**
  11  * \file
  12  * \internal
  13  */
  14
  15 #include "LETypes.h"
  16 #include "OpenTypeTables.h"
  17
  18 U_NAMESPACE_BEGIN
  19
  20 class OpenTypeUtilities /* not : public UObject because all methods are static */ {
  21 public:
  22     static le_int8 highBit(le_int32 value);
  23     static Offset getTagOffset(LETag tag, const LEReferenceToArrayOf<TagAndOffsetRecord> &records, LEErrorCode &success);
  24     static le_int32 getGlyphRangeIndex(TTGlyphID glyphID, const GlyphRangeRecord *records, le_int32 recordCount) {
  25       LEErrorCode success = LE_NO_ERROR;
  26       LETableReference recordRef0((const le_uint8*)records);
  27       LEReferenceToArrayOf<GlyphRangeRecord> recordRef(recordRef0, success, (size_t)0, recordCount);
  28       return getGlyphRangeIndex(glyphID, recordRef, success);
  29     }
  30     static le_int32 getGlyphRangeIndex(TTGlyphID glyphID, const LEReferenceToArrayOf<GlyphRangeRecord> &records, LEErrorCode &success);
  31     static le_int32 search(le_uint16 value, const le_uint16 array[], le_int32 count);
  32     static le_int32 search(le_uint32 value, const le_uint32 array[], le_int32 count);
  33     static void sort(le_uint16 *array, le_int32 count);
  34
  35 private:
  36     OpenTypeUtilities() {} // private - forbid instantiation
  37 };
  38
  39 U_NAMESPACE_END
  40 #endif