1/*
2 * Copyright (C) 2008, 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 *
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 * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
14 *     its contributors may be used to endorse or promote products derived
15 *     from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#ifndef ImageData_h
30#define ImageData_h
31
32#include "bindings/core/v8/ScriptWrappable.h"
33#include "platform/geometry/IntSize.h"
34#include "platform/heap/Handle.h"
35#include "wtf/RefCounted.h"
36#include "wtf/RefPtr.h"
37#include "wtf/Uint8ClampedArray.h"
38
39namespace blink {
40
41class ExceptionState;
42
43class ImageData FINAL : public RefCountedWillBeGarbageCollectedFinalized<ImageData>, public ScriptWrappable {
44    DEFINE_WRAPPERTYPEINFO();
45public:
46    static PassRefPtrWillBeRawPtr<ImageData> create(const IntSize&);
47    static PassRefPtrWillBeRawPtr<ImageData> create(const IntSize&, PassRefPtr<Uint8ClampedArray>);
48    static PassRefPtrWillBeRawPtr<ImageData> create(unsigned width, unsigned height, ExceptionState&);
49    static PassRefPtrWillBeRawPtr<ImageData> create(Uint8ClampedArray*, unsigned width, unsigned height, ExceptionState&);
50
51    IntSize size() const { return m_size; }
52    int width() const { return m_size.width(); }
53    int height() const { return m_size.height(); }
54    Uint8ClampedArray* data() const { return m_data.get(); }
55
56    void trace(Visitor*) { }
57
58    virtual v8::Handle<v8::Object> associateWithWrapper(const WrapperTypeInfo*, v8::Handle<v8::Object> wrapper, v8::Isolate*) OVERRIDE;
59
60private:
61    explicit ImageData(const IntSize&);
62    ImageData(const IntSize&, PassRefPtr<Uint8ClampedArray>);
63
64    IntSize m_size;
65    RefPtr<Uint8ClampedArray> m_data;
66};
67
68} // namespace blink
69
70#endif // ImageData_h
71