/*
    Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann@kde.org>
                  2004, 2005, 2006, 2007, 2010 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 SVGFitToViewBox_h
#define SVGFitToViewBox_h

#if ENABLE(SVG)
#include "SVGElement.h"
#include "SVGPreserveAspectRatio.h"

namespace WebCore {

class AffineTransform;

class SVGFitToViewBox {
public:
    SVGFitToViewBox();
    virtual ~SVGFitToViewBox();

    bool parseViewBox(Document*, const UChar*& start, const UChar* end, FloatRect& viewBox, bool validate = true);
    static AffineTransform viewBoxToViewTransform(const FloatRect& viewBoxRect, const SVGPreserveAspectRatio&, float viewWidth, float viewHeight);

    bool parseMappedAttribute(Document*, Attribute*);
    bool isKnownAttribute(const QualifiedName&);

    virtual void setViewBoxBaseValue(SVGAnimatedPropertyTraits<FloatRect>::PassType) = 0;
    virtual void setPreserveAspectRatioBaseValue(SVGAnimatedPropertyTraits<SVGPreserveAspectRatio>::PassType) = 0;

private:
    bool parseViewBox(Document*, const String&, FloatRect&);
};

} // namespace WebCore

#endif // ENABLE(SVG)
#endif // SVGFitToViewBox_h
