khtml/svg/SVGTransformDistance.h

   1 /*
   2  Copyright (C) 2007 Eric Seidel <eric@webkit.org>
   3
   4  This file is part of the WebKit project
   5
   6  This library is free software; you can redistribute it and/or
   7  modify it under the terms of the GNU Library General Public
   8  License as published by the Free Software Foundation; either
   9  version 2 of the License, or (at your option) any later version.
  10
  11  This library is distributed in the hope that it will be useful,
  12  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  Library General Public License for more details.
  15
  16  You should have received a copy of the GNU Library General Public License
  17  along with this library; see the file COPYING.LIB.  If not, write to
  18  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  19  Boston, MA 02110-1301, USA.
  20  */
  21
  22 #ifndef SVGTransformDistance_h
  23 #define SVGTransformDistance_h
  24 #if ENABLE(SVG)
  25
  26 #include "SVGTransform.h"
  27
  28 namespace WebCore {
  29
  30     class AffineTransform;
  31
  32     class SVGTransformDistance {
  33     public:
  34         SVGTransformDistance();
  35         SVGTransformDistance(const SVGTransform& fromTransform, const SVGTransform& toTransform);
  36
  37         SVGTransformDistance scaledDistance(float scaleFactor) const;
  38         SVGTransform addToSVGTransform(const SVGTransform&) const;
  39         void addSVGTransform(const SVGTransform&, bool absoluteValue = false);
  40
  41         static SVGTransform addSVGTransforms(const SVGTransform&, const SVGTransform&);
  42
  43         bool isZero() const;
  44
  45         float distance() const;
  46     private:
  47         SVGTransformDistance(SVGTransform::SVGTransformType, float angle, float cx, float cy, const AffineTransform&);
  48
  49         SVGTransform::SVGTransformType m_type;
  50         float m_angle;
  51         float m_cx;
  52         float m_cy;
  53         AffineTransform m_transform; // for storing scale, translation or matrix transforms
  54     };
  55 }
  56
  57 #endif // ENABLE(SVG)
  58 #endif // SVGTransformDistance_h