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flightgear/utils/fgviewer/Drawable.hxx

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// Copyright (C) 2009 - 2012 Mathias Froehlich
//
// 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 for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#ifndef _fgviewer_Drawable_hxx
#define _fgviewer_Drawable_hxx
#include <string>
#include <list>
#include <osg/GraphicsContext>
#include <simgear/math/SGMath.hxx>
#include <simgear/structure/SGWeakReferenced.hxx>
namespace fgviewer {
class Viewer;
class SlaveCamera;
class Drawable : public SGWeakReferenced {
public:
Drawable(const std::string& name);
virtual ~Drawable();
const std::string& getName() const
{ return _name; }
virtual bool setScreenIdentifier(const std::string& screenIdentifier)
{
if (_graphicsContext.valid())
return false;
_screenIdentifier = screenIdentifier;
return true;
}
const std::string& getScreenIdentifier() const
{ return _screenIdentifier; }
virtual bool setPosition(const SGVec2i& position)
{ _position = position; return true; }
const SGVec2i& getPosition() const
{ return _position; }
virtual bool setSize(const SGVec2i& size)
{ _size = size; return true; }
const SGVec2i& getSize() const
{ return _size; }
virtual bool setOffscreen(bool offscreen)
{
if (_graphicsContext.valid())
return false;
_offscreen = offscreen;
return true;
}
bool getOffscreen() const
{ return _offscreen; }
virtual bool setFullscreen(bool fullscreen)
{ _fullscreen = fullscreen; return true; }
bool getFullscreen() const
{ return _fullscreen; }
osg::GraphicsContext* getGraphicsContext()
{ return _graphicsContext.get(); }
void attachSlaveCamera(SlaveCamera* slaveCamera);
virtual bool resize(int x, int y, int width, int height);
bool realize(Viewer& viewer);
protected:
virtual osg::GraphicsContext* _realizeImplementation(Viewer& viewer);
osg::ref_ptr<osg::GraphicsContext::Traits> _getTraits(Viewer& viewer);
private:
Drawable(const Drawable&);
Drawable& operator=(const Drawable&);
class _ResizedCallback;
/// The immutable name that is used to reference this slave camera.
const std::string _name;
std::string _screenIdentifier;
SGVec2i _position;
SGVec2i _size;
bool _offscreen;
bool _fullscreen;
osg::ref_ptr<osg::GraphicsContext> _graphicsContext;
std::list<SGSharedPtr<SlaveCamera> > _slaveCameraList;
};
} // namespace fgviewer
#endif