SkUtils.cpp 1.1 KB

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  1. /*
  2. * Copyright 2006 The Android Open Source Project
  3. *
  4. * Use of this source code is governed by a BSD-style license that can be
  5. * found in the LICENSE file.
  6. */
  7. #include "src/core/SkUtils.h"
  8. template <typename T>
  9. static SkUnichar next(const T** srcPtr, unsigned N, SkUnichar (*fn)(const T**, const T*)) {
  10. SkASSERT(srcPtr);
  11. const T* ptr = *srcPtr;
  12. SkUnichar c = fn(&ptr, ptr + N);
  13. if (c == -1) {
  14. SkASSERT(false);
  15. ++(*srcPtr);
  16. return 0xFFFD; // REPLACEMENT CHARACTER
  17. }
  18. *srcPtr = ptr;
  19. return c;
  20. }
  21. SkUnichar SkUTF8_NextUnichar(const char** p) {
  22. return next<char>(p, SkUTF::kMaxBytesInUTF8Sequence, SkUTF::NextUTF8);
  23. }
  24. SkUnichar SkUTF16_NextUnichar(const uint16_t** p) {
  25. return next<uint16_t>(p, 2, SkUTF::NextUTF16);
  26. }
  27. ///////////////////////////////////////////////////////////////////////////////
  28. const char SkHexadecimalDigits::gUpper[16] =
  29. { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' };
  30. const char SkHexadecimalDigits::gLower[16] =
  31. { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };