1
0
Fork 0
flightgear/src/Instrumentation/od_gauge.hxx
2009-05-18 12:24:16 +02:00

80 lines
2.2 KiB
C++

// Owner Drawn Gauge helper class
//
// Written by Harald JOHNSEN, started May 2005.
//
// Copyright (C) 2005 Harald JOHNSEN - hjohnsen@evc.net
//
// Ported to OSG by Tim Moore - Jun 2007
//
// 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 _OD_GAUGE_HXX
#define _OD_GAUGE_HXX
#include <osg/Camera>
#include <osg/Texture2D>
#include <simgear/structure/subsystem_mgr.hxx>
/**
* Owner Drawn Gauge helper class.
*/
class FGODGauge : public SGSubsystem {
public:
FGODGauge ( SGPropertyNode *node );
FGODGauge();
virtual ~FGODGauge();
virtual void init ();
virtual void update (double dt);
void setSize(int viewSize);
/**
* Say if we can render to a texture.
* @return true if rtt is available
*/
bool serviceable(void);
/**
* Replace an opengl texture name inside the aircraft scene graph.
* This is to replace a static texture by a dynamic one
* @param name texture filename
* @param new_texture dynamic texture to replace the old one
*/
void set_texture(const char * name, osg::Texture2D* new_texture);
/**
* Get the OSG camera for drawing this gauge.
*/
osg::Camera* getCamera() { return camera.get(); }
osg::Texture2D* getTexture() { return texture.get(); }
void setTexture(osg::Texture2D* t) { texture = t; }
// Real initialization function. Bad name.
void allocRT(void);
private:
int textureWH;
bool rtAvailable;
osg::ref_ptr<osg::Camera> camera;
osg::ref_ptr<osg::Texture2D> texture;
};
#endif // _OD_GAUGE_HXX