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/*
* Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) 2004, 2005 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 SVGTransform_h
#define SVGTransform_h
#include "core/svg/properties/SVGProperty.h"
#include "platform/geometry/FloatPoint.h"
#include "platform/transforms/AffineTransform.h"
#include "wtf/text/WTFString.h"
namespace blink {
class FloatSize;
class SVGTransformTearOff;
enum SVGTransformType {
SVG_TRANSFORM_UNKNOWN = 0,
SVG_TRANSFORM_MATRIX = 1,
SVG_TRANSFORM_TRANSLATE = 2,
SVG_TRANSFORM_SCALE = 3,
SVG_TRANSFORM_ROTATE = 4,
SVG_TRANSFORM_SKEWX = 5,
SVG_TRANSFORM_SKEWY = 6
};
class SVGTransform : public SVGPropertyBase {
public:
typedef SVGTransformTearOff TearOffType;
enum ConstructionMode {
ConstructIdentityTransform,
ConstructZeroTransform
};
static PassRefPtrWillBeRawPtr<SVGTransform> create()
{
return adoptRefWillBeNoop(new SVGTransform());
}
static PassRefPtrWillBeRawPtr<SVGTransform> create(SVGTransformType type, ConstructionMode mode = ConstructIdentityTransform)
{
return adoptRefWillBeNoop(new SVGTransform(type, mode));
}
static PassRefPtrWillBeRawPtr<SVGTransform> create(const AffineTransform& affineTransform)
{
return adoptRefWillBeNoop(new SVGTransform(affineTransform));
}
virtual ~SVGTransform();
PassRefPtrWillBeRawPtr<SVGTransform> clone() const;
virtual PassRefPtrWillBeRawPtr<SVGPropertyBase> cloneForAnimation(const String&) const override;
SVGTransformType transformType() const { return m_transformType; }
const AffineTransform& matrix() const { return m_matrix; }
// |onMatrixChange| must be called after modifications via |mutableMatrix|.
AffineTransform* mutableMatrix() { return &m_matrix; }
void onMatrixChange();
float angle() const { return m_angle; }
FloatPoint rotationCenter() const { return m_center; }
void setMatrix(const AffineTransform&);
void setTranslate(float tx, float ty);
void setScale(float sx, float sy);
void setRotate(float angle, float cx, float cy);
void setSkewX(float angle);
void setSkewY(float angle);
// Internal use only (animation system)
FloatPoint translate() const;
FloatSize scale() const;
virtual String valueAsString() const override;
virtual void add(PassRefPtrWillBeRawPtr<SVGPropertyBase>, SVGElement*) override;
virtual void calculateAnimatedValue(SVGAnimationElement*, float percentage, unsigned repeatCount, PassRefPtrWillBeRawPtr<SVGPropertyBase> from, PassRefPtrWillBeRawPtr<SVGPropertyBase> to, PassRefPtrWillBeRawPtr<SVGPropertyBase> toAtEndOfDurationValue, SVGElement* contextElement) override;
virtual float calculateDistance(PassRefPtrWillBeRawPtr<SVGPropertyBase> to, SVGElement* contextElement) override;
static AnimatedPropertyType classType() { return AnimatedTransform; }
private:
SVGTransform();
SVGTransform(SVGTransformType, ConstructionMode);
explicit SVGTransform(const AffineTransform&);
SVGTransform(SVGTransformType, float, const FloatPoint&, const AffineTransform&);
SVGTransformType m_transformType;
float m_angle;
FloatPoint m_center;
AffineTransform m_matrix;
};
} // namespace blink
#endif // SVGTransform_h
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