Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2             : /* libcdr
       3             :  * Version: MPL 1.1 / GPLv2+ / LGPLv2+
       4             :  *
       5             :  * The contents of this file are subject to the Mozilla Public License Version
       6             :  * 1.1 (the "License"); you may not use this file except in compliance with
       7             :  * the License or as specified alternatively below. You may obtain a copy of
       8             :  * the License at http://www.mozilla.org/MPL/
       9             :  *
      10             :  * Software distributed under the License is distributed on an "AS IS" basis,
      11             :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      12             :  * for the specific language governing rights and limitations under the
      13             :  * License.
      14             :  *
      15             :  * Major Contributor(s):
      16             :  * Copyright (C) 2012 Fridrich Strba <fridrich.strba@bluewin.ch>
      17             :  *
      18             :  * All Rights Reserved.
      19             :  *
      20             :  * For minor contributions see the git repository.
      21             :  *
      22             :  * Alternatively, the contents of this file may be used under the terms of
      23             :  * either the GNU General Public License Version 2 or later (the "GPLv2+"), or
      24             :  * the GNU Lesser General Public License Version 2 or later (the "LGPLv2+"),
      25             :  * in which case the provisions of the GPLv2+ or the LGPLv2+ are applicable
      26             :  * instead of those above.
      27             :  */
      28             : 
      29             : #ifndef __CDRTRANSFORMS_H__
      30             : #define __CDRTRANSFORMS_H__
      31             : 
      32             : #include <vector>
      33             : #include <math.h>
      34             : 
      35             : namespace libcdr
      36             : {
      37             : class CDRPath;
      38             : 
      39             : class CDRTransform
      40             : {
      41             : public:
      42             :   CDRTransform();
      43             :   CDRTransform(double v0, double v1, double x0, double v3, double v4, double y0);
      44             :   CDRTransform(const CDRTransform &trafo);
      45             : 
      46             :   void applyToPoint(double &x, double &y) const;
      47             :   void applyToArc(double &rx, double &ry, double &rotation, bool &sweep, double &x, double &y) const;
      48             :   double getScaleX() const;
      49             :   double getScaleY() const;
      50             :   double getRotation() const;
      51             :   double getTranslateX() const;
      52             :   double getTranslateY() const;
      53             :   bool getFlipX() const;
      54             :   bool getFlipY() const;
      55             : 
      56             : private:
      57             :   double _getScaleX() const;
      58             :   double _getScaleY() const;
      59             :   double m_v0;
      60             :   double m_v1;
      61             :   double m_x0;
      62             :   double m_v3;
      63             :   double m_v4;
      64             :   double m_y0;
      65             : };
      66             : 
      67           0 : class CDRTransforms
      68             : {
      69             : public:
      70             :   CDRTransforms();
      71             :   CDRTransforms(const CDRTransforms &trafos);
      72             :   ~CDRTransforms();
      73             : 
      74             :   void append(double v0, double v1, double x0, double v3, double v4, double y0);
      75             :   void append(const CDRTransform &trafo);
      76             :   void clear();
      77             :   bool empty() const;
      78             : 
      79             :   void applyToPoint(double &x, double &y) const;
      80             :   void applyToArc(double &rx, double &ry, double &rotation, bool &sweep, double &x, double &y) const;
      81             :   double getScaleX() const;
      82             :   double getScaleY() const;
      83             :   double getRotation() const;
      84             :   double getTranslateX() const;
      85             :   double getTranslateY() const;
      86             :   bool getFlipX() const;
      87             :   bool getFlipY() const;
      88             : 
      89             : private:
      90             :   double _getScaleX() const;
      91             :   double _getScaleY() const;
      92             :   std::vector<CDRTransform> m_trafos;
      93             : };
      94             : 
      95             : } // namespace libcdr
      96             : 
      97             : #endif /* __CDRTRANSFORMS_H__ */
      98             : /* vim:set shiftwidth=2 softtabstop=2 expandtab: */