1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
/*
* Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) 2004, 2005, 2007 Rob Buis <buis@kde.org>
* Copyright (C) 2009 Google, Inc.
* Copyright (C) 2009 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef LayoutSVGViewportContainer_h
#define LayoutSVGViewportContainer_h
#include "core/layout/svg/LayoutSVGContainer.h"
namespace blink {
// This is used for non-root <svg> elements and <marker> elements, neither of which are SVGTransformable
// thus we inherit from LayoutSVGContainer instead of LayoutSVGTransformableContainer
class LayoutSVGViewportContainer final : public LayoutSVGContainer {
public:
explicit LayoutSVGViewportContainer(SVGElement*);
FloatRect viewport() const { return m_viewport; }
bool isLayoutSizeChanged() const { return m_isLayoutSizeChanged; }
bool didTransformToRootUpdate() override { return m_didTransformToRootUpdate; }
void determineIfLayoutSizeChanged() override;
void setNeedsTransformUpdate() override { m_needsTransformUpdate = true; }
void paint(const PaintInfo&, const LayoutPoint&) const override;
const char* name() const override { return "LayoutSVGViewportContainer"; }
private:
bool isOfType(LayoutObjectType type) const override { return type == LayoutObjectSVGViewportContainer || LayoutSVGContainer::isOfType(type); }
AffineTransform viewportTransform() const;
const AffineTransform& localToSVGParentTransform() const override { return m_localToParentTransform; }
void calcViewport() override;
bool calculateLocalTransform() override;
bool pointIsInsideViewportClip(const FloatPoint& pointInParent) override;
FloatRect m_viewport;
mutable AffineTransform m_localToParentTransform;
bool m_didTransformToRootUpdate : 1;
bool m_isLayoutSizeChanged : 1;
bool m_needsTransformUpdate : 1;
};
DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutSVGViewportContainer, isSVGViewportContainer());
} // namespace blink
#endif // LayoutSVGViewportContainer_h
|
