#include "extViewer.h"

extViewer::extViewer() : Viewer()
{

}

extViewer::extViewer(osg::ArgumentParser& arguments) : Viewer(arguments)
{

}

extViewer::extViewer(const osgViewer::Viewer& viewer, const osg::CopyOp& copyop) : Viewer(viewer, copyop)
{

}

extViewer::~extViewer()
{

}

void extViewer::setUpViewForDistortion()
{
    OSG_INFO<<"View::setUpViewForDistortion"<<std::endl;
    osg::GraphicsContext::WindowingSystemInterface* wsi = osg::GraphicsContext::getWindowingSystemInterface();
    if (!wsi)
    {
        OSG_NOTICE<<"Error, no WindowSystemInterface available, cannot create windows."<<std::endl;
        return;
    }

    osg::GraphicsContext::ScreenIdentifier si;
    si.readDISPLAY();

    // displayNum has not been set so reset it to 0.
    if (si.displayNum<0) si.displayNum = 0;

    si.screenNum = screenNum;

    unsigned int width, height;
    wsi->getScreenResolution(si, width, height);

	   
	osg::ref_ptr<osg::GraphicsContext::Traits> traits = new osg::GraphicsContext::Traits;
    traits->hostName = si.hostName;
    traits->displayNum = si.displayNum;
    traits->screenNum = si.screenNum;
    traits->x = 0;
    traits->y = 0;
    traits->width = width;
    traits->height = height;
    traits->windowDecoration = false;
    traits->doubleBuffer = true;
    traits->sharedContext = 0;


    osg::ref_ptr<osg::GraphicsContext> gc = osg::GraphicsContext::createGraphicsContext(traits.get());
    if (!gc)
    {
        OSG_NOTICE<<"GraphicsWindow has not been created successfully."<<std::endl;
        return;
    }
}