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/*
* Copyright (C) 2007 Rob Buis <buis@kde.org>
*
* 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 SVGViewSpec_h
#define SVGViewSpec_h
#include "core/svg/SVGZoomAndPan.h"
#include "platform/heap/Handle.h"
namespace blink {
class FloatRect;
class SVGPreserveAspectRatio;
class SVGRect;
class SVGSVGElement;
class SVGTransformList;
class SVGViewSpec final : public GarbageCollectedFinalized<SVGViewSpec>,
public SVGZoomAndPan {
public:
static SVGViewSpec* createForElement(SVGSVGElement&);
bool parseViewSpec(const String&);
void reset();
template <typename T>
void inheritViewAttributesFromElement(T&);
SVGRect* viewBox() { return m_viewBox; }
SVGPreserveAspectRatio* preserveAspectRatio() {
return m_preserveAspectRatio;
}
SVGTransformList* transform() { return m_transform; }
DECLARE_VIRTUAL_TRACE();
private:
SVGViewSpec();
template <typename CharType>
bool parseViewSpecInternal(const CharType* ptr, const CharType* end);
void setViewBox(const FloatRect&);
void setPreserveAspectRatio(const SVGPreserveAspectRatio&);
Member<SVGRect> m_viewBox;
Member<SVGPreserveAspectRatio> m_preserveAspectRatio;
Member<SVGTransformList> m_transform;
};
template <typename T>
void SVGViewSpec::inheritViewAttributesFromElement(T& inheritFromElement) {
if (!inheritFromElement.hasEmptyViewBox())
setViewBox(inheritFromElement.viewBox()->currentValue()->value());
if (inheritFromElement.preserveAspectRatio()->isSpecified()) {
setPreserveAspectRatio(
*inheritFromElement.preserveAspectRatio()->currentValue());
}
if (inheritFromElement.hasAttribute(SVGNames::zoomAndPanAttr))
setZoomAndPan(inheritFromElement.zoomAndPan());
}
} // namespace blink
#endif // SVGViewSpec_h
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