coordinateframe.h

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/****************************************************************************
 * MeshLab                                                           o o     *
 * A versatile mesh processing toolbox                             o     o   *
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 * Copyright(C) 2008                                                \/)\/    *
 * Visual Computing Lab                                            /\/|      *
 * ISTI - Italian National Research Council                           |      *
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 * This program is free software; you can redistribute it and/or modify      *
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 * (at your option) any later version.                                       *
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 * This program is distributed in the hope that it will be useful,           *
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the             *
 * GNU General Public License (http://www.gnu.org/licenses/gpl.txt)          *
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  History
$Log: not supported by cvs2svn $
Revision 1.7  2008/03/14 16:54:34  benedetti
Added doxygen documentation

Revision 1.6  2008/03/02 16:44:18  benedetti
moved ActiveCoordinateFrame to its own files

Revision 1.5  2008/02/22 20:04:02  benedetti
many user interface improvements, cleaned up a little

Revision 1.4  2008/02/17 20:52:53  benedetti
some generalization made

Revision 1.3  2008/02/16 14:12:30  benedetti
first version


****************************************************************************/
#ifndef COORDINATEFRAME_H
#define COORDINATEFRAME_H


#include <vcg/math/similarity.h>
#include <vcg/space/color4.h>

#include <QGLWidget>

namespace vcg {

class CoordinateFrame
{
public:
  // functions:
  CoordinateFrame(float size);

  virtual ~CoordinateFrame() {}

  virtual void Render(QGLWidget* glw,QPainter* p = NULL);
  // data

  Color4b basecolor;

  Color4b xcolor;

  Color4b ycolor;

  Color4b zcolor;

  float size;

  float linewidth;

  QFont font;

  bool drawaxis;

  bool drawlabels;

  bool drawvalues;

  // useful functions:
  static void drawTickedLine(const Point3d &, const Point3d &, float, float,float);
  static float calcSlope(const Point3d &, const Point3d &, float, int , double *, double *, GLint *);
  static float niceRound(float);
};

class MovableCoordinateFrame: public CoordinateFrame
{

public:
  MovableCoordinateFrame(float);

  virtual ~MovableCoordinateFrame(){}

  virtual void Render(QGLWidget* glw,QPainter* p = NULL);

  virtual void Reset(bool reset_position,bool reset_alignment);

  virtual void SetPosition(const Point3f new_position);

  virtual void SetRotation(const Quaternionf rotation);

  virtual Point3f GetPosition();

  virtual Quaternionf GetRotation();

  virtual void GetTransform(Matrix44f &m);

  virtual void Rot(float angle,const Point3f axis);

  virtual void AlignWith(const Point3f primary, const Point3f secondary, const char axis_1, const char axis_2);

protected:
  // data:
  Point3f position;
  Quaternionf rotation;

  // functions:
  virtual void Move(const Similarityf);
  void RotateToAlign(const Point3f, const Point3f);

};

}//namespace
#endif /*COORDINATEFRAME_H*/