vcglib/wrap/gui/trackmode.h

125 lines
4.1 KiB
C++

/****************************************************************************
* VCGLib o o *
* Visual and Computer Graphics Library o o *
* _ O _ *
* Copyright(C) 2004 \/)\/ *
* Visual Computing Lab /\/| *
* ISTI - Italian National Research Council | *
* \ *
* All rights reserved. *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License (http://www.gnu.org/licenses/gpl.txt) *
* for more details. *
* *
****************************************************************************/
/****************************************************************************
History
$Log: not supported by cvs2svn $
Revision 1.8 2004/07/18 06:54:08 cignoni
Added Scaling
Revision 1.7 2004/07/11 22:06:56 cignoni
Added scaling by wheel
Revision 1.6 2004/06/09 14:01:13 cignoni
Heavily restructured. To be completed only rotation works...
Revision 1.5 2004/05/14 03:15:09 ponchio
Redesigned partial version.
Revision 1.4 2004/05/07 12:46:08 cignoni
Restructured and adapted in a better way to opengl
Revision 1.3 2004/04/07 10:54:11 cignoni
Commented out unused parameter names and other minor warning related issues
Revision 1.2 2004/03/25 14:55:25 ponchio
Adding copyright.
****************************************************************************/
#ifndef TRACKMODE_H
#define TRACKMODE_H
#include <vcg/space/line3.h>
#include <vcg/space/plane3.h>
#include <wrap/gui/view.h>
namespace vcg {
class Trackball;
class TrackMode {
public:
virtual ~TrackMode() {}
virtual void Apply(Trackball *trackball, Point3f new_point) = 0;
virtual void Apply(Trackball *trackball, float WheelNotch);
virtual void Draw() {}
protected:
Plane3f GetViewPlane(const View<float> &view, const Point3f &center);
Point3f HitViewPlane(Trackball *trackball, const Point3f &p);
};
/* View space modes */
class SphereMode: public TrackMode {
public:
void Apply(Trackball *trackball, Point3f new_point);
protected:
Point3f Hit(Trackball *trackball, const Point3f &p);
bool HitHyper(Point3f center, float radius, Point3f viewpoint, Plane3f vp, Point3f hitplane, Point3f &hit) ;
};
class CylinderMode: public TrackMode {
public:
CylinderMode(const Line3f &/*line*/, float /*radius = 1*/) {}
void Apply(Trackball * /*trackball*/, Point3f /*new_point*/) {}
protected:
Line3f line;
float radius;
};
class PlaneMode: public TrackMode {
public:
PlaneMode(const Plane3f &pl): plane(pl) {}
void Apply(Trackball *trackball, Point3f new_point);
protected:
Plane3f plane;
};
// Move the object along the Z of the Camera
// complement of the Plane mode
class ZMode: public TrackMode {
public:
void Apply(Trackball *trackball, Point3f new_point);
};
class LineMode: public TrackMode {
public:
LineMode(const Line3f &/*line*/) {}
void Apply(Trackball * /*trackball*/, Point3f /*new_point*/) {}
protected:
Line3f line;
};
class ScaleMode: public TrackMode {
public:
void Apply(Trackball *trackball, Point3f new_point);
};
}//namespace
#endif