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1 /* | 1 // Copyright 2017 The Chromium Authors. All rights reserved. |
2 * Copyright (C) 2009 Apple Inc. All rights reserved. | 2 // Use of this source code is governed by a BSD-style license that can be |
3 * Copyright (C) 2009 Google Inc. All rights reserved. | 3 // found in the LICENSE file. |
4 * | |
5 * Redistribution and use in source and binary forms, with or without | |
6 * modification, are permitted provided that the following conditions | |
7 * are met: | |
8 * 1. Redistributions of source code must retain the above copyright | |
9 * notice, this list of conditions and the following disclaimer. | |
10 * 2. Redistributions in binary form must reproduce the above copyright | |
11 * notice, this list of conditions and the following disclaimer in the | |
12 * documentation and/or other materials provided with the distribution. | |
13 * | |
14 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY | |
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR | |
18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
25 */ | |
26 | 4 |
27 #ifndef Float32Array_h | 5 #include "platform/wtf/typed_arrays/Float32Array.h" |
28 #define Float32Array_h | |
29 | 6 |
30 #include "wtf/MathExtras.h" | 7 // The contents of this header was moved to platform/wtf as part of |
31 #include "wtf/typed_arrays/TypedArrayBase.h" | 8 // WTF migration project. See the following post for details: |
32 | 9 // https://groups.google.com/a/chromium.org/d/msg/blink-dev/tLdAZCTlcAA/bYXVT8gY
CAAJ |
33 namespace WTF { | |
34 | |
35 class Float32Array final : public TypedArrayBase<float> { | |
36 public: | |
37 static inline PassRefPtr<Float32Array> create(unsigned length); | |
38 static inline PassRefPtr<Float32Array> create(const float* array, | |
39 unsigned length); | |
40 static inline PassRefPtr<Float32Array> create(PassRefPtr<ArrayBuffer>, | |
41 unsigned byteOffset, | |
42 unsigned length); | |
43 | |
44 static inline PassRefPtr<Float32Array> createOrNull(unsigned length); | |
45 | |
46 using TypedArrayBase<float>::set; | |
47 | |
48 void set(unsigned index, double value) { | |
49 if (index >= TypedArrayBase<float>::m_length) | |
50 return; | |
51 TypedArrayBase<float>::data()[index] = static_cast<float>(value); | |
52 } | |
53 | |
54 ViewType type() const override { return TypeFloat32; } | |
55 | |
56 private: | |
57 inline Float32Array(PassRefPtr<ArrayBuffer>, | |
58 unsigned byteOffset, | |
59 unsigned length); | |
60 // Make constructor visible to superclass. | |
61 friend class TypedArrayBase<float>; | |
62 }; | |
63 | |
64 PassRefPtr<Float32Array> Float32Array::create(unsigned length) { | |
65 return TypedArrayBase<float>::create<Float32Array>(length); | |
66 } | |
67 | |
68 PassRefPtr<Float32Array> Float32Array::create(const float* array, | |
69 unsigned length) { | |
70 return TypedArrayBase<float>::create<Float32Array>(array, length); | |
71 } | |
72 | |
73 PassRefPtr<Float32Array> Float32Array::create(PassRefPtr<ArrayBuffer> buffer, | |
74 unsigned byteOffset, | |
75 unsigned length) { | |
76 return TypedArrayBase<float>::create<Float32Array>(std::move(buffer), | |
77 byteOffset, length); | |
78 } | |
79 | |
80 PassRefPtr<Float32Array> Float32Array::createOrNull(unsigned length) { | |
81 return TypedArrayBase<float>::createOrNull<Float32Array>(length); | |
82 } | |
83 | |
84 Float32Array::Float32Array(PassRefPtr<ArrayBuffer> buffer, | |
85 unsigned byteOffset, | |
86 unsigned length) | |
87 : TypedArrayBase<float>(std::move(buffer), byteOffset, length) {} | |
88 | |
89 } // namespace WTF | |
90 | |
91 using WTF::Float32Array; | |
92 | |
93 #endif // Float32Array_h | |
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