mirror of
https://github.com/darlinghq/darling-WebCore.git
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65 lines
2.2 KiB
C++
65 lines
2.2 KiB
C++
/*
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* Copyright (C) 2004, 2005 Nikolas Zimmermann <zimmermann@kde.org>
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* Copyright (C) 2004, 2005, 2007 Rob Buis <buis@kde.org>
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* Copyright (C) Research In Motion Limited 2010. All rights reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#pragma once
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#include "AffineTransform.h"
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#include "ExceptionOr.h"
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namespace WebCore {
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class FloatRect;
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class SVGElement;
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class SVGMatrix;
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class SVGLocatable {
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public:
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virtual ~SVGLocatable() = default;
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// 'SVGLocatable' functions
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virtual SVGElement* nearestViewportElement() const = 0;
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virtual SVGElement* farthestViewportElement() const = 0;
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enum StyleUpdateStrategy { AllowStyleUpdate, DisallowStyleUpdate };
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virtual FloatRect getBBox(StyleUpdateStrategy) = 0;
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virtual AffineTransform getCTM(StyleUpdateStrategy) = 0;
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virtual AffineTransform getScreenCTM(StyleUpdateStrategy) = 0;
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ExceptionOr<Ref<SVGMatrix>> getTransformToElement(SVGElement*, StyleUpdateStrategy = AllowStyleUpdate);
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static SVGElement* nearestViewportElement(const SVGElement*);
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static SVGElement* farthestViewportElement(const SVGElement*);
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enum CTMScope {
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NearestViewportScope, // Used for getCTM()
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ScreenScope // Used for getScreenCTM()
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};
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protected:
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virtual AffineTransform localCoordinateSpaceTransform(SVGLocatable::CTMScope) const { return AffineTransform(); }
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static FloatRect getBBox(SVGElement*, StyleUpdateStrategy);
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static AffineTransform computeCTM(SVGElement*, CTMScope, StyleUpdateStrategy);
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};
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} // namespace WebCore
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