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      1 /*
      2  * Copyright (C) 2007 Eric Seidel <eric (at) webkit.org>
      3  *
      4  * This library is free software; you can redistribute it and/or
      5  * modify it under the terms of the GNU Library General Public
      6  * License as published by the Free Software Foundation; either
      7  * version 2 of the License, or (at your option) any later version.
      8  *
      9  * This library is distributed in the hope that it will be useful,
     10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     12  * Library General Public License for more details.
     13  *
     14  * You should have received a copy of the GNU Library General Public License
     15  * along with this library; see the file COPYING.LIB.  If not, write to
     16  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     17  * Boston, MA 02110-1301, USA.
     18  */
     19 
     20 #ifndef SVGTransformDistance_h
     21 #define SVGTransformDistance_h
     22 
     23 #include "core/svg/SVGTransform.h"
     24 
     25 namespace blink {
     26 
     27 class AffineTransform;
     28 
     29 class SVGTransformDistance {
     30 public:
     31     SVGTransformDistance();
     32     SVGTransformDistance(PassRefPtr<SVGTransform> fromTransform, PassRefPtr<SVGTransform> toTransform);
     33 
     34     SVGTransformDistance scaledDistance(float scaleFactor) const;
     35     PassRefPtr<SVGTransform> addToSVGTransform(PassRefPtr<SVGTransform>) const;
     36 
     37     static PassRefPtr<SVGTransform> addSVGTransforms(PassRefPtr<SVGTransform>, PassRefPtr<SVGTransform>, unsigned repeatCount = 1);
     38 
     39     float distance() const;
     40 
     41 private:
     42     SVGTransformDistance(SVGTransformType, float angle, float cx, float cy, const AffineTransform&);
     43 
     44     SVGTransformType m_transformType;
     45     float m_angle;
     46     float m_cx;
     47     float m_cy;
     48     AffineTransform m_transform; // for storing scale, translation or matrix transforms
     49 };
     50 }
     51 
     52 #endif // SVGTransformDistance_h
     53