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/*
* Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) 2004, 2005, 2006, 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 SVGPreserveAspectRatio_h
#define SVGPreserveAspectRatio_h
#if ENABLE(SVG)
#include "ExceptionCode.h"
#include "SVGPropertyTraits.h"
namespace WebCore {
class AffineTransform;
class FloatRect;
class SVGPreserveAspectRatio {
public:
enum SVGPreserveAspectRatioType {
SVG_PRESERVEASPECTRATIO_UNKNOWN = 0,
SVG_PRESERVEASPECTRATIO_NONE = 1,
SVG_PRESERVEASPECTRATIO_XMINYMIN = 2,
SVG_PRESERVEASPECTRATIO_XMIDYMIN = 3,
SVG_PRESERVEASPECTRATIO_XMAXYMIN = 4,
SVG_PRESERVEASPECTRATIO_XMINYMID = 5,
SVG_PRESERVEASPECTRATIO_XMIDYMID = 6,
SVG_PRESERVEASPECTRATIO_XMAXYMID = 7,
SVG_PRESERVEASPECTRATIO_XMINYMAX = 8,
SVG_PRESERVEASPECTRATIO_XMIDYMAX = 9,
SVG_PRESERVEASPECTRATIO_XMAXYMAX = 10
};
enum SVGMeetOrSliceType {
SVG_MEETORSLICE_UNKNOWN = 0,
SVG_MEETORSLICE_MEET = 1,
SVG_MEETORSLICE_SLICE = 2
};
SVGPreserveAspectRatio();
void setAlign(unsigned short align, ExceptionCode&);
unsigned short align() const { return m_align; }
void setMeetOrSlice(unsigned short, ExceptionCode&);
unsigned short meetOrSlice() const { return m_meetOrSlice; }
void transformRect(FloatRect& destRect, FloatRect& srcRect);
AffineTransform getCTM(double logicX, double logicY,
double logicWidth, double logicHeight,
double physWidth, double physHeight) const;
template<class Consumer>
static bool parsePreserveAspectRatio(Consumer* consumer, const String& value, bool validate = true)
{
bool result = false;
const UChar* begin = value.characters();
const UChar* end = begin + value.length();
consumer->setPreserveAspectRatioBaseValue(parsePreserveAspectRatio(begin, end, validate, result));
return result;
}
// It's recommended to use the method above, only SVGViewSpec needs this parsing method
static SVGPreserveAspectRatio parsePreserveAspectRatio(const UChar*& currParam, const UChar* end, bool validate, bool& result);
String valueAsString() const;
private:
SVGPreserveAspectRatioType m_align;
SVGMeetOrSliceType m_meetOrSlice;
};
template<>
struct SVGPropertyTraits<SVGPreserveAspectRatio> {
static SVGPreserveAspectRatio initialValue() { return SVGPreserveAspectRatio(); }
static String toString(const SVGPreserveAspectRatio& type) { return type.valueAsString(); }
};
} // namespace WebCore
#endif // ENABLE(SVG)
#endif // SVGPreserveAspectRatio_h
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