#pragma once

/* osgVisual test. distortionNG, experimental.
*
*  Permission is hereby granted, free of charge, to any person obtaining a copy
*  of this software and associated documentation files (the "Software"), to deal
*  in the Software without restriction, including without limitation the rights
*  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
*  copies of the Software, and to permit persons to whom the Software is
*  furnished to do so, subject to the following conditions:
*
*  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
*  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
*  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
*  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
*  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
*  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
*  THE SOFTWARE.
*/

#include <osgViewer/Viewer>
#include<osg/Referenced>
#include "DistortionSet.h"

#include <string>

class extViewer : public osgViewer::Viewer
{
public:
        extViewer();

        extViewer(osg::ArgumentParser& arguments);

        extViewer(const osgViewer::Viewer& viewer, const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY);

        virtual ~extViewer();

		/** Convenience method for projection on curved screens using a slave camera rendering scene and a second camera doing distortion correction to present on a nonplaner display.*/
        void setUpViewForManualDistortion(osgViewer::DistortionSet* distSet, unsigned int screenNum=0, const osg::Matrixd& projectorMatrix = osg::Matrixd());
		//void setUpViewForManualDistortion(unsigned int rows, unsigned int colums, std::string intensityMap="");


		void setUpIntensityMapBlending(osgViewer::DistortionSet* distSet, unsigned int screenNum=0);

		/**
		 * \brief This functions loads the specified blendmap and configures the viewer for blending.
		 * !This function does not perform any distortion it just configures the viewer for simple viewing with an intensity map.
		 * 
		 * @param intensityMap  : Filename of the intensitymap to use for blending
		 */ 
		void setUpIntensityMapBlending(std::string intensityMap);

		osgViewer::DistortionSet* getDistortionSet()	{return _distortionSet;}
		void setDistortionSet(osgViewer::DistortionSet* ds) {_distortionSet = ds;}

private:
		osg::ref_ptr<osgViewer::DistortionSet> _distortionSet;
};