| /* |
| * Copyright (C) 2009 Apple Inc. All rights reserved. |
| * Copyright (C) 2009 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef Float32Array_h |
| #define Float32Array_h |
| |
| #include "TypedArrayBase.h" |
| #include <wtf/MathExtras.h> |
| |
| namespace WebCore { |
| |
| class Float32Array : public TypedArrayBase<float> { |
| public: |
| static PassRefPtr<Float32Array> create(unsigned length); |
| static PassRefPtr<Float32Array> create(const float* array, unsigned length); |
| static PassRefPtr<Float32Array> create(PassRefPtr<ArrayBuffer> buffer, unsigned byteOffset, unsigned length); |
| |
| using TypedArrayBase<float>::set; |
| |
| void set(unsigned index, double value) |
| { |
| if (index >= TypedArrayBase<float>::m_length) |
| return; |
| TypedArrayBase<float>::data()[index] = static_cast<float>(value); |
| } |
| |
| // Invoked by the indexed getter. Does not perform range checks; caller |
| // is responsible for doing so and returning undefined as necessary. |
| float item(unsigned index) const |
| { |
| ASSERT(index < TypedArrayBase<float>::m_length); |
| float result = TypedArrayBase<float>::data()[index]; |
| return result; |
| } |
| |
| PassRefPtr<Float32Array> subarray(int start) const; |
| PassRefPtr<Float32Array> subarray(int start, int end) const; |
| |
| private: |
| Float32Array(PassRefPtr<ArrayBuffer> buffer, |
| unsigned byteOffset, |
| unsigned length); |
| // Make constructor visible to superclass. |
| friend class TypedArrayBase<float>; |
| |
| // Overridden from ArrayBufferView. |
| virtual bool isFloatArray() const { return true; } |
| }; |
| |
| } // namespace WebCore |
| |
| #endif // Float32Array_h |