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//
// libavg - Media Playback Engine.
// Copyright (C) 2003-2014 Ulrich von Zadow
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library 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
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
// Current versions can be found at www.libavg.de
//
#ifndef _OffscreenCanvas_H_
#define _OffscreenCanvas_H_
#include "../api.h"
#include "Canvas.h"
#include "OffscreenCanvasNode.h"
#include "CameraNode.h"
#include "../graphics/FBO.h"
#include <string>
namespace avg {
class AVG_API OffscreenCanvas: public Canvas
{
public:
OffscreenCanvas(Player * pPlayer);
virtual ~OffscreenCanvas();
virtual void setRoot(NodePtr pRootNode);
virtual void initPlayback();
virtual void stopPlayback(bool bIsAbort);
virtual BitmapPtr screenshot() const;
virtual BitmapPtr screenshotIgnoreAlpha() const;
bool getHandleEvents() const;
int getMultiSampleSamples() const;
bool getMipmap() const;
bool getAutoRender() const;
void setAutoRender(bool bAutoRender);
void manualRender(); // This is the render that can be called from python.
std::string getID() const;
bool isRunning() const;
GLTexturePtr getTex() const;
FBOPtr getFBO() const;
void registerCameraNode(CameraNode* pCameraNode);
void unregisterCameraNode();
void updateCameraImage();
bool hasRegisteredCamera() const;
bool isCameraImageAvailable() const;
void addDependentCanvas(CanvasPtr pCanvas);
void removeDependentCanvas(CanvasPtr pCanvas);
const std::vector<CanvasPtr>& getDependentCanvases() const;
unsigned getNumDependentCanvases() const;
static bool isSupported();
static bool isMultisampleSupported();
void dump() const;
protected:
virtual void renderTree();
private:
FBOPtr m_pFBO;
bool m_bUseMipmaps;
std::vector<CanvasPtr> m_pDependentCanvases;
bool m_bIsRendered;
CameraNode* m_pCameraNodeRef;
};
typedef boost::shared_ptr<OffscreenCanvas> OffscreenCanvasPtr;
}
#endif
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