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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 THIRD_PARTY_BLINK_RENDERER_CORE_SVG_SVG_VIEW_SPEC_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_SVG_SVG_VIEW_SPEC_H_
#include "third_party/blink/renderer/core/svg/svg_zoom_and_pan.h"
#include "third_party/blink/renderer/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 view_box_; }
SVGPreserveAspectRatio* PreserveAspectRatio() {
return preserve_aspect_ratio_;
}
SVGTransformList* Transform() { return transform_; }
virtual void Trace(blink::Visitor*);
private:
SVGViewSpec();
template <typename CharType>
bool ParseViewSpecInternal(const CharType* ptr, const CharType* end);
void SetViewBox(const FloatRect&);
void SetPreserveAspectRatio(const SVGPreserveAspectRatio&);
Member<SVGRect> view_box_;
Member<SVGPreserveAspectRatio> preserve_aspect_ratio_;
Member<SVGTransformList> transform_;
};
template <typename T>
void SVGViewSpec::InheritViewAttributesFromElement(T& inherit_from_element) {
if (inherit_from_element.HasValidViewBox())
SetViewBox(inherit_from_element.viewBox()->CurrentValue()->Value());
if (inherit_from_element.preserveAspectRatio()->IsSpecified()) {
SetPreserveAspectRatio(
*inherit_from_element.preserveAspectRatio()->CurrentValue());
}
if (inherit_from_element.hasAttribute(SVGNames::zoomAndPanAttr))
setZoomAndPan(inherit_from_element.zoomAndPan());
}
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_SVG_SVG_VIEW_SPEC_H_
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