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

/*

 * This file is part of the libfreehand 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 __FHPATH_H__

#define __FHPATH_H__

#include <memory>

#include <vector>

#include <ostream>

#include <librevenge/librevenge.h>

namespace libfreehand

{

struct FHTransform;

class FHPathElement

{

public:

  FHPathElement() {}

  virtual ~FHPathElement() {}

  virtual void writeOut(librevenge::RVNGPropertyListVector &vec) const = 0;

  virtual void writeOut(std::ostream &s) const = 0;

  virtual void transform(const FHTransform &trafo) = 0;

  virtual FHPathElement *clone() = 0;

  virtual void getBoundingBox(double x0, double y0, double &px, double &py, double &qx, double &qy) const = 0;

  virtual double getX() const = 0;

  virtual double getY() const = 0;

};

class FHPath

{

public:

  FHPath() : m_elements(), m_isClosed(false), m_xFormId(0), m_graphicStyleId(0), m_evenOdd(false) {}

  FHPath(const FHPath &path);

  ~FHPath();

  FHPath &operator=(const FHPath &path);

  void appendMoveTo(double x, double y);

  void appendLineTo(double x, double y);

  void appendCubicBezierTo(double x1, double y1, double x2, double y2, double x, double y);

  void appendQuadraticBezierTo(double x1, double y1, double x, double y);

  void appendArcTo(double rx, double ry, double rotation, bool longAngle, bool sweep, double x, double y);

  void appendClosePath();

  void appendPath(const FHPath &path);

  void setXFormId(unsigned xFormId);

  void setGraphicStyleId(unsigned graphicStyleId);

  void setEvenOdd(bool evenOdd);

  void writeOut(librevenge::RVNGPropertyListVector &vec) const;

  std::string getPathString() const;

  void transform(const FHTransform &trafo);

  void getBoundingBox(double x0, double y0, double &xmin, double &ymin, double &xmax, double &ymax) const;

  double getX() const;

  double getY() const;

  void clear();

  bool empty() const;

  bool isClosed() const;

  unsigned getXFormId() const;

  unsigned getGraphicStyleId() const;

  bool getEvenOdd() const;

  void getBoundingBox(double &xmin, double &ymin, double &xmax, double &ymax) const;

private:

  std::vector<std::unique_ptr<FHPathElement>> m_elements;

  bool m_isClosed;

  unsigned m_xFormId;

  unsigned m_graphicStyleId;

  bool m_evenOdd;

};

} // namespace libfreehand

#endif /* __FHPATH_H__ */

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