1/*
2 * Copyright (C) 2013 Google 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 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 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
26#ifndef SVGImageForContainer_h
27#define SVGImageForContainer_h
28
29#include "core/svg/graphics/SVGImage.h"
30#include "platform/geometry/FloatRect.h"
31#include "platform/geometry/FloatSize.h"
32#include "platform/graphics/Image.h"
33#include "platform/weborigin/KURL.h"
34
35namespace WebCore {
36
37class SVGImageForContainer FINAL : public Image {
38public:
39    static PassRefPtr<SVGImageForContainer> create(SVGImage* image, const FloatSize& containerSize, float zoom)
40    {
41        return adoptRef(new SVGImageForContainer(image, containerSize, zoom));
42    }
43
44    virtual bool isSVGImage() const OVERRIDE { return true; }
45
46    virtual IntSize size() const OVERRIDE;
47    void setURL(const KURL& url) { m_image->setURL(url); }
48
49    virtual bool usesContainerSize() const OVERRIDE { return m_image->usesContainerSize(); }
50    virtual bool hasRelativeWidth() const OVERRIDE { return m_image->hasRelativeWidth(); }
51    virtual bool hasRelativeHeight() const OVERRIDE { return m_image->hasRelativeHeight(); }
52    virtual void computeIntrinsicDimensions(Length& intrinsicWidth, Length& intrinsicHeight, FloatSize& intrinsicRatio) OVERRIDE
53    {
54        m_image->computeIntrinsicDimensions(intrinsicWidth, intrinsicHeight, intrinsicRatio);
55    }
56
57    virtual void draw(GraphicsContext*, const FloatRect&, const FloatRect&, CompositeOperator, blink::WebBlendMode) OVERRIDE;
58
59    virtual void drawPattern(GraphicsContext*, const FloatRect&, const FloatSize&, const FloatPoint&, CompositeOperator, const FloatRect&, blink::WebBlendMode, const IntSize& repeatSpacing) OVERRIDE;
60
61    // FIXME: Implement this to be less conservative.
62    virtual bool currentFrameKnownToBeOpaque() OVERRIDE { return false; }
63
64    virtual PassRefPtr<NativeImageSkia> nativeImageForCurrentFrame() OVERRIDE;
65
66private:
67    SVGImageForContainer(SVGImage* image, const FloatSize& containerSize, float zoom)
68        : m_image(image)
69        , m_containerSize(containerSize)
70        , m_zoom(zoom)
71    {
72    }
73
74    virtual void destroyDecodedData(bool) OVERRIDE { }
75
76    SVGImage* m_image;
77    const FloatSize m_containerSize;
78    const float m_zoom;
79};
80}
81
82#endif // SVGImageForContainer_h
83