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      1 /*
      2  * Copyright (C) 2007 Eric Seidel <eric (at) webkit.org>
      3  * Copyright (C) 2008 Apple Inc. All rights reserved.
      4  *
      5  * This library is free software; you can redistribute it and/or
      6  * modify it under the terms of the GNU Library General Public
      7  * License as published by the Free Software Foundation; either
      8  * version 2 of the License, or (at your option) any later version.
      9  *
     10  * This library is distributed in the hope that it will be useful,
     11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     13  * Library General Public License for more details.
     14  *
     15  * You should have received a copy of the GNU Library General Public License
     16  * along with this library; see the file COPYING.LIB.  If not, write to
     17  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     18  * Boston, MA 02110-1301, USA.
     19  */
     20 
     21 #ifndef SVGAnimateMotionElement_h
     22 #define SVGAnimateMotionElement_h
     23 #if ENABLE(SVG_ANIMATION)
     24 #include "AffineTransform.h"
     25 #include "Path.h"
     26 #include "SVGAnimationElement.h"
     27 
     28 namespace WebCore {
     29 
     30 class SVGAnimateMotionElement : public SVGAnimationElement {
     31 public:
     32     static PassRefPtr<SVGAnimateMotionElement> create(const QualifiedName&, Document*);
     33 
     34 private:
     35     SVGAnimateMotionElement(const QualifiedName&, Document*);
     36 
     37     virtual bool hasValidAttributeType() const;
     38 
     39     virtual void parseMappedAttribute(Attribute*);
     40 
     41     virtual void resetToBaseValue(const String&);
     42     virtual bool calculateFromAndToValues(const String& fromString, const String& toString);
     43     virtual bool calculateFromAndByValues(const String& fromString, const String& byString);
     44     virtual void calculateAnimatedValue(float percentage, unsigned repeat, SVGSMILElement* resultElement);
     45     virtual void applyResultsToTarget();
     46     virtual float calculateDistance(const String& fromString, const String& toString);
     47     virtual Path animationPath() const;
     48 
     49     enum RotateMode {
     50         RotateAngle,
     51         RotateAuto,
     52         RotateAutoReverse
     53     };
     54     RotateMode rotateMode() const;
     55 
     56     FloatSize m_animatedTranslation;
     57     float m_animatedAngle;
     58 
     59     // Note: we do not support percentage values for to/from coords as the spec implies we should (opera doesn't either)
     60     FloatPoint m_fromPoint;
     61     float m_fromAngle;
     62     FloatPoint m_toPoint;
     63     float m_toAngle;
     64 
     65     unsigned m_baseIndexInTransformList;
     66 
     67     Path m_path;
     68     Vector<float> m_keyPoints;
     69     float m_angle;
     70 };
     71 
     72 } // namespace WebCore
     73 
     74 #endif // ENABLE(SVG_ANIMATION)
     75 #endif // SVGAnimateMotionElement_h
     76