MWAWGraphicShape.hxx

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/* -*- Mode: C++; c-default-style: "k&r"; indent-tabs-mode: nil; tab-width: 2; c-basic-offset: 2 -*- */

/* libmwaw
* Version: MPL 2.0 / LGPLv2+
*
* The contents of this file are subject to the Mozilla Public License Version
* 2.0 (the "License"); you may not use this file except in compliance with
* the License or as specified alternatively below. You may obtain a copy of
* the License at http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* Major Contributor(s):
* Copyright (C) 2002 William Lachance (wrlach@gmail.com)
* Copyright (C) 2002,2004 Marc Maurer (uwog@uwog.net)
* Copyright (C) 2004-2006 Fridrich Strba (fridrich.strba@bluewin.ch)
* Copyright (C) 2006, 2007 Andrew Ziem
* Copyright (C) 2011, 2012 Alonso Laurent (alonso@loria.fr)
*
*
* All Rights Reserved.
*
* For minor contributions see the git repository.
*
* Alternatively, the contents of this file may be used under the terms of
* the GNU Lesser General Public License Version 2 or later (the "LGPLv2+"),
* in which case the provisions of the LGPLv2+ are applicable
* instead of those above.
*/
#ifndef MWAW_GRAPHIC_SHAPE
#  define MWAW_GRAPHIC_SHAPE
#  include <ostream>
#  include <string>
#  include <vector>

#  include "librevenge/librevenge.h"
#  include "libmwaw_internal.hxx"

class MWAWGraphicStyle;

class MWAWGraphicShape
{
public:
  enum Type { Arc, Circle, Line, Rectangle, Path, Pie, Polygon, ShapeUnknown };
  enum Command { C_Ellipse, C_Polyline, C_Rectangle, C_Path, C_Polygon, C_Bad };
  struct PathData {
    PathData(char type, MWAWVec2f const &x=MWAWVec2f(), MWAWVec2f const &x1=MWAWVec2f(), MWAWVec2f const &x2=MWAWVec2f()):
      m_type(type), m_x(x), m_x1(x1), m_x2(x2), m_r(), m_rotate(0), m_largeAngle(false), m_sweep(false)
    {
    }
    void translate(MWAWVec2f const &delta);
    void scale(MWAWVec2f const &factor);
    void rotate(float angle, MWAWVec2f const &delta);
    bool get(librevenge::RVNGPropertyList &pList, MWAWVec2f const &orig) const;
    friend std::ostream &operator<<(std::ostream &o, PathData const &path);
    int cmp(PathData const &a) const;
    char m_type;
    MWAWVec2f m_x;
    MWAWVec2f m_x1;
    MWAWVec2f m_x2;
    MWAWVec2f m_r;
    float m_rotate;
    bool m_largeAngle;
    bool m_sweep;
  };

  MWAWGraphicShape() : m_type(ShapeUnknown), m_bdBox(), m_formBox(), m_cornerWidth(0,0), m_arcAngles(0,0),
    m_vertices(), m_path(), m_extra("")
  {
  }
  virtual ~MWAWGraphicShape() { }
  static MWAWGraphicShape line(MWAWVec2f const &orign, MWAWVec2f const &dest);
  static MWAWGraphicShape rectangle(MWAWBox2f const &box, MWAWVec2f const &corners=MWAWVec2f(0,0))
  {
    MWAWGraphicShape res;
    res.m_type=Rectangle;
    res.m_bdBox=res.m_formBox=box;
    res.m_cornerWidth=corners;
    return res;
  }
  static MWAWGraphicShape circle(MWAWBox2f const &box)
  {
    MWAWGraphicShape res;
    res.m_type=Circle;
    res.m_bdBox=res.m_formBox=box;
    return res;
  }
  static MWAWGraphicShape arc(MWAWBox2f const &box, MWAWBox2f const &circleBox, MWAWVec2f const &angles)
  {
    MWAWGraphicShape res;
    res.m_type=Arc;
    res.m_bdBox=box;
    res.m_formBox=circleBox;
    res.m_arcAngles=angles;
    return res;
  }
  static MWAWGraphicShape pie(MWAWBox2f const &box, MWAWBox2f const &circleBox, MWAWVec2f const &angles)
  {
    MWAWGraphicShape res;
    res.m_type=Pie;
    res.m_bdBox=box;
    res.m_formBox=circleBox;
    res.m_arcAngles=angles;
    return res;
  }
  static MWAWGraphicShape polygon(MWAWBox2f const &box)
  {
    MWAWGraphicShape res;
    res.m_type=Polygon;
    res.m_bdBox=box;
    return res;
  }
  static MWAWGraphicShape path(MWAWBox2f const &box)
  {
    MWAWGraphicShape res;
    res.m_type=Path;
    res.m_bdBox=box;
    return res;
  }

  void translate(MWAWVec2f const &delta);
  void scale(MWAWVec2f const &factor);
  MWAWGraphicShape rotate(float angle, MWAWVec2f const &center) const;
  Type getType() const
  {
    return m_type;
  }
  MWAWBox2f getBdBox() const
  {
    return m_bdBox;
  }
  MWAWBox2f getBdBox(MWAWGraphicStyle const &style, bool moveToO=false) const;
  Command addTo(MWAWVec2f const &orig, bool asSurface, librevenge::RVNGPropertyList &propList) const;
  friend std::ostream &operator<<(std::ostream &o, MWAWGraphicShape const &sh);
  int cmp(MWAWGraphicShape const &a) const;
protected:
  std::vector<PathData> getPath() const;
public:
  Type m_type;
  MWAWBox2f m_bdBox;
  MWAWBox2f m_formBox;
  MWAWVec2f m_cornerWidth;
  MWAWVec2f m_arcAngles;
  std::vector<MWAWVec2f> m_vertices;
  std::vector<PathData> m_path;
  std::string m_extra;
};
#endif
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