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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 {
kSvgTransformUnknown = 0,
kSvgTransformMatrix = 1,
kSvgTransformTranslate = 2,
kSvgTransformScale = 3,
kSvgTransformRotate = 4,
kSvgTransformSkewx = 5,
kSvgTransformSkewy = 6
};
class SVGTransform final : public SVGPropertyBase {
public:
typedef SVGTransformTearOff TearOffType;
enum ConstructionMode { ConstructIdentityTransform, ConstructZeroTransform };
static SVGTransform* create() { return new SVGTransform(); }
static SVGTransform* create(
SVGTransformType type,
ConstructionMode mode = ConstructIdentityTransform) {
return new SVGTransform(type, mode);
}
static SVGTransform* create(const AffineTransform& affineTransform) {
return new SVGTransform(affineTransform);
}
~SVGTransform() override;
SVGTransform* clone() const;
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;
String valueAsString() const override;
void add(SVGPropertyBase*, SVGElement*) override;
void calculateAnimatedValue(SVGAnimationElement*,
float percentage,
unsigned repeatCount,
SVGPropertyBase* from,
SVGPropertyBase* to,
SVGPropertyBase* toAtEndOfDurationValue,
SVGElement* contextElement) override;
float calculateDistance(SVGPropertyBase* to,
SVGElement* contextElement) override;
static AnimatedPropertyType classType() { return AnimatedTransform; }
AnimatedPropertyType type() const override { return classType(); }
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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