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#pragma once
27
28#include "AffineTransform.h"
29#include "FloatRect.h"
30#include "FloatSize.h"
31#include "Image.h"
32#include "SVGImage.h"
33#include <wtf/URL.h>
34
35namespace WebCore {
36
37class SVGImageForContainer final : public Image {
38public:
39 static Ref<SVGImageForContainer> create(SVGImage* image, const FloatSize& containerSize, float containerZoom, const URL& initialFragmentURL)
40 {
41 return adoptRef(*new SVGImageForContainer(image, containerSize, containerZoom, initialFragmentURL));
42 }
43
44 bool isSVGImage() const final { return true; }
45
46 FloatSize size() const final;
47
48 bool usesContainerSize() const final { return m_image->usesContainerSize(); }
49 bool hasRelativeWidth() const final { return m_image->hasRelativeWidth(); }
50 bool hasRelativeHeight() const final { return m_image->hasRelativeHeight(); }
51 void computeIntrinsicDimensions(Length& intrinsicWidth, Length& intrinsicHeight, FloatSize& intrinsicRatio) final
52 {
53 m_image->computeIntrinsicDimensions(intrinsicWidth, intrinsicHeight, intrinsicRatio);
54 }
55
56 ImageDrawResult draw(GraphicsContext&, const FloatRect&, const FloatRect&, CompositeOperator, BlendMode, DecodingMode, ImageOrientationDescription) final;
57
58 void drawPattern(GraphicsContext&, const FloatRect&, const FloatRect&, const AffineTransform&, const FloatPoint&, const FloatSize&, CompositeOperator, BlendMode) final;
59
60 // FIXME: Implement this to be less conservative.
61 bool currentFrameKnownToBeOpaque() const final { return false; }
62
63 NativeImagePtr nativeImageForCurrentFrame(const GraphicsContext* = nullptr) final;
64
65private:
66 SVGImageForContainer(SVGImage* image, const FloatSize& containerSize, float containerZoom, const URL& initialFragmentURL)
67 : m_image(image)
68 , m_containerSize(containerSize)
69 , m_containerZoom(containerZoom)
70 , m_initialFragmentURL(initialFragmentURL)
71 {
72 }
73
74 void destroyDecodedData(bool /*destroyAll*/ = true) final { }
75
76 SVGImage* m_image;
77 const FloatSize m_containerSize;
78 const float m_containerZoom;
79 const URL m_initialFragmentURL;
80};
81
82} // namespace WebCore
83