/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/*

 * This file is part of the libcdr project.

 *

 * This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/.

 */

#ifndef __CDRTRANSFORMS_H__

#define __CDRTRANSFORMS_H__

#include <vector>

#include <librevenge/librevenge.h>

namespace libcdr

{

class CDRTransform

{

public:

  CDRTransform();

  CDRTransform(double v0, double v1, double x0, double v3, double v4, double y0);

  CDRTransform(const CDRTransform &trafo) = default;

  CDRTransform &operator=(const CDRTransform &trafo) = default;

  void applyToPoint(double &x, double &y) const;

  void applyToArc(double &rx, double &ry, double &rotation, bool &sweep, double &endx, double &endy) const;

  double getScaleX() const;

  double getScaleY() const;

  double getTranslateX() const;

  double getTranslateY() const;

  bool getFlipX() const;

  bool getFlipY() const;

  librevenge::RVNGString toString() const;

private:

  double _getScaleX() const;

  double _getScaleY() const;

  double m_v0;

  double m_v1;

  double m_x0;

  double m_v3;

  double m_v4;

  double m_y0;

};

class CDRTransforms

{

public:

  CDRTransforms();

  CDRTransforms(const CDRTransforms &trafos) = default;

  ~CDRTransforms();

  CDRTransforms &operator=(const CDRTransforms &trafo) = default;

  void append(double v0, double v1, double x0, double v3, double v4, double y0);

  void append(const CDRTransform &trafo);

  void clear();

  bool empty() const;

  void applyToPoint(double &x, double &y) const;

  void applyToArc(double &rx, double &ry, double &rotation, bool &sweep, double &x, double &y) const;

  double getScaleX() const;

  double getScaleY() const;

  double getTranslateX() const;

  double getTranslateY() const;

  bool getFlipX() const;

  bool getFlipY() const;

private:

  double _getScaleX() const;

  double _getScaleY() const;

  std::vector<CDRTransform> m_trafos;

};

} // namespace libcdr

#endif /* __CDRTRANSFORMS_H__ */

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