1/*
2 * Copyright (C) 2007 Eric Seidel <eric@webkit.org>
3 * Copyright (C) 2009 Google, Inc.
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Library General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Library General Public License for more details.
14 *
15 * You should have received a copy of the GNU Library General Public License
16 * along with this library; see the file COPYING.LIB. If not, write to
17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
18 * Boston, MA 02110-1301, USA.
19 */
20
21#pragma once
22
23#include "RenderSVGContainer.h"
24#include "SVGGraphicsElement.h"
25
26namespace WebCore {
27
28class SVGGraphicsElement;
29class RenderSVGTransformableContainer final : public RenderSVGContainer {
30 WTF_MAKE_ISO_ALLOCATED(RenderSVGTransformableContainer);
31public:
32 RenderSVGTransformableContainer(SVGGraphicsElement&, RenderStyle&&);
33 SVGGraphicsElement& graphicsElement() { return downcast<SVGGraphicsElement>(RenderSVGContainer::element()); }
34
35 bool isSVGTransformableContainer() const override { return true; }
36 const AffineTransform& localToParentTransform() const override { return m_localTransform; }
37 void setNeedsTransformUpdate() override { m_needsTransformUpdate = true; }
38 bool didTransformToRootUpdate() override { return m_didTransformToRootUpdate; }
39
40private:
41 void element() const = delete;
42 bool calculateLocalTransform() override;
43 AffineTransform localTransform() const override { return m_localTransform; }
44
45 bool m_needsTransformUpdate : 1;
46 bool m_didTransformToRootUpdate : 1;
47 AffineTransform m_localTransform;
48 FloatSize m_lastTranslation;
49};
50
51} // namespace WebCore
52
53SPECIALIZE_TYPE_TRAITS_RENDER_OBJECT(RenderSVGTransformableContainer, isSVGTransformableContainer())
54