Int16Array.h 3.7 KB

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  1. /*
  2. * Copyright (C) 2009 Apple Inc. All rights reserved.
  3. *
  4. * Redistribution and use in source and binary forms, with or without
  5. * modification, are permitted provided that the following conditions
  6. * are met:
  7. * 1. Redistributions of source code must retain the above copyright
  8. * notice, this list of conditions and the following disclaimer.
  9. * 2. Redistributions in binary form must reproduce the above copyright
  10. * notice, this list of conditions and the following disclaimer in the
  11. * documentation and/or other materials provided with the distribution.
  12. *
  13. * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
  14. * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  15. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  16. * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
  17. * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  18. * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  19. * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  20. * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  21. * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  22. * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  23. * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24. */
  25. #ifndef Int16Array_h
  26. #define Int16Array_h
  27. #include <wtf/IntegralTypedArrayBase.h>
  28. namespace WTF {
  29. class ArrayBuffer;
  30. class Int16Array : public IntegralTypedArrayBase<short> {
  31. public:
  32. static inline PassRefPtr<Int16Array> create(unsigned length);
  33. static inline PassRefPtr<Int16Array> create(const short* array, unsigned length);
  34. static inline PassRefPtr<Int16Array> create(PassRefPtr<ArrayBuffer>, unsigned byteOffset, unsigned length);
  35. // Should only be used when it is known the entire array will be filled. Do
  36. // not return these results directly to JavaScript without filling first.
  37. static inline PassRefPtr<Int16Array> createUninitialized(unsigned length);
  38. using TypedArrayBase<short>::set;
  39. using IntegralTypedArrayBase<short>::set;
  40. inline PassRefPtr<Int16Array> subarray(int start) const;
  41. inline PassRefPtr<Int16Array> subarray(int start, int end) const;
  42. virtual ViewType getType() const
  43. {
  44. return TypeInt16;
  45. }
  46. private:
  47. inline Int16Array(PassRefPtr<ArrayBuffer>,
  48. unsigned byteOffset,
  49. unsigned length);
  50. // Make constructor visible to superclass.
  51. friend class TypedArrayBase<short>;
  52. };
  53. PassRefPtr<Int16Array> Int16Array::create(unsigned length)
  54. {
  55. return TypedArrayBase<short>::create<Int16Array>(length);
  56. }
  57. PassRefPtr<Int16Array> Int16Array::create(const short* array, unsigned length)
  58. {
  59. return TypedArrayBase<short>::create<Int16Array>(array, length);
  60. }
  61. PassRefPtr<Int16Array> Int16Array::create(PassRefPtr<ArrayBuffer> buffer, unsigned byteOffset, unsigned length)
  62. {
  63. return TypedArrayBase<short>::create<Int16Array>(buffer, byteOffset, length);
  64. }
  65. PassRefPtr<Int16Array> Int16Array::createUninitialized(unsigned length)
  66. {
  67. return TypedArrayBase<short>::createUninitialized<Int16Array>(length);
  68. }
  69. Int16Array::Int16Array(PassRefPtr<ArrayBuffer> buffer, unsigned byteOffset, unsigned length)
  70. : IntegralTypedArrayBase<short>(buffer, byteOffset, length)
  71. {
  72. }
  73. PassRefPtr<Int16Array> Int16Array::subarray(int start) const
  74. {
  75. return subarray(start, length());
  76. }
  77. PassRefPtr<Int16Array> Int16Array::subarray(int start, int end) const
  78. {
  79. return subarrayImpl<Int16Array>(start, end);
  80. }
  81. } // namespace WTF
  82. using WTF::Int16Array;
  83. #endif // Int16Array_h