1/*
2 * Copyright (C) 2006 Alexander Kellett <lypanov@kde.org>
3 * Copyright (C) 2006, 2009 Apple Inc. All rights reserved.
4 * Copyright (C) 2007 Rob Buis <buis@kde.org>
5 * Copyright (C) 2009 Google, Inc.
6 * Copyright (C) 2010 Patrick Gansterer <paroga@paroga.com>
7 *
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Library General Public
10 * License as published by the Free Software Foundation; either
11 * version 2 of the License, or (at your option) any later version.
12 *
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Library General Public License for more details.
17 *
18 * You should have received a copy of the GNU Library General Public License
19 * along with this library; see the file COPYING.LIB. If not, write to
20 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
21 * Boston, MA 02110-1301, USA.
22 */
23
24#pragma once
25
26#include "AffineTransform.h"
27#include "FloatRect.h"
28#include "RenderSVGModelObject.h"
29
30namespace WebCore {
31
32class RenderImageResource;
33class SVGImageElement;
34
35class RenderSVGImage final : public RenderSVGModelObject {
36 WTF_MAKE_ISO_ALLOCATED(RenderSVGImage);
37public:
38 RenderSVGImage(SVGImageElement&, RenderStyle&&);
39 virtual ~RenderSVGImage();
40
41 SVGImageElement& imageElement() const;
42
43 bool updateImageViewport();
44 void setNeedsBoundariesUpdate() override { m_needsBoundariesUpdate = true; }
45 bool needsBoundariesUpdate() override { return m_needsBoundariesUpdate; }
46 void setNeedsTransformUpdate() override { m_needsTransformUpdate = true; }
47
48 RenderImageResource& imageResource() { return *m_imageResource; }
49 const RenderImageResource& imageResource() const { return *m_imageResource; }
50
51 // Note: Assumes the PaintInfo context has had all local transforms applied.
52 void paintForeground(PaintInfo&);
53
54private:
55 void willBeDestroyed() override;
56
57 void element() const = delete;
58
59 const char* renderName() const override { return "RenderSVGImage"; }
60 bool isSVGImage() const override { return true; }
61 bool canHaveChildren() const override { return false; }
62
63 const AffineTransform& localToParentTransform() const override { return m_localTransform; }
64
65 FloatRect objectBoundingBox() const override { return m_objectBoundingBox; }
66 FloatRect strokeBoundingBox() const override { return m_objectBoundingBox; }
67 FloatRect repaintRectInLocalCoordinates() const override { return m_repaintBoundingBox; }
68
69 void addFocusRingRects(Vector<LayoutRect>&, const LayoutPoint& additionalOffset, const RenderLayerModelObject* paintContainer = 0) override;
70
71 void imageChanged(WrappedImagePtr, const IntRect* = nullptr) override;
72
73 void layout() override;
74 void paint(PaintInfo&, const LayoutPoint&) override;
75
76 void invalidateBufferedForeground();
77
78 bool nodeAtFloatPoint(const HitTestRequest&, HitTestResult&, const FloatPoint& pointInParent, HitTestAction) override;
79
80 AffineTransform localTransform() const override { return m_localTransform; }
81 void calculateImageViewport();
82
83 bool m_needsBoundariesUpdate : 1;
84 bool m_needsTransformUpdate : 1;
85 AffineTransform m_localTransform;
86 FloatRect m_objectBoundingBox;
87 FloatRect m_repaintBoundingBox;
88 FloatRect m_repaintBoundingBoxExcludingShadow;
89 std::unique_ptr<RenderImageResource> m_imageResource;
90 std::unique_ptr<ImageBuffer> m_bufferedForeground;
91};
92
93} // namespace WebCore
94
95SPECIALIZE_TYPE_TRAITS_RENDER_OBJECT(RenderSVGImage, isSVGImage())
96