121 lines
4.1 KiB
C++
121 lines
4.1 KiB
C++
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
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*
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* This library is open source and may be redistributed and/or modified under
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* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
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* (at your option) any later version. The full license is in LICENSE file
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* included with this distribution, and on the openscenegraph.org website.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* OpenSceneGraph Public License for more details.
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*/
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#include <osgViewer/config/SingleWindow>
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#include <osgViewer/Renderer>
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#include <osgViewer/View>
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#include <osgViewer/GraphicsWindow>
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#include <osgViewer/Keystone>
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#include <osg/TextureRectangle>
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#include <osg/Texture1D>
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#include <osg/TexMat>
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#include <osg/Stencil>
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#include <osg/PolygonStipple>
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#include <osg/io_utils>
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using namespace osgViewer;
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void SingleWindow::configure(osgViewer::View& view) const
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{
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osg::GraphicsContext::WindowingSystemInterface* wsi = osg::GraphicsContext::getWindowingSystemInterface();
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if (!wsi)
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{
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OSG_NOTICE<<"SingleWindow::configure() : Error, no WindowSystemInterface available, cannot create windows."<<std::endl;
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return;
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}
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osg::DisplaySettings* ds = getActiveDisplaySetting(view);
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osg::ref_ptr<osg::GraphicsContext::Traits> traits = new osg::GraphicsContext::Traits(ds);
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traits->readDISPLAY();
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if (traits->displayNum<0) traits->displayNum = 0;
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traits->screenNum = _screenNum;
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traits->x = _x;
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traits->y = _y;
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traits->width = _width;
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traits->height = _height;
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traits->windowDecoration = _windowDecoration;
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traits->overrideRedirect = _overrideRedirect;
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traits->doubleBuffer = true;
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traits->sharedContext = 0;
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if (traits->width<=0 || traits->height<=0 )
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{
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osg::GraphicsContext::ScreenIdentifier si;
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si.readDISPLAY();
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// displayNum has not been set so reset it to 0.
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if (si.displayNum<0) si.displayNum = 0;
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si.screenNum = _screenNum;
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unsigned int width, height;
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wsi->getScreenResolution(si, width, height);
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if (traits->width<=0) traits->width = width;
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if (traits->height<=0) traits->height = height;
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}
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osg::ref_ptr<osg::GraphicsContext> gc = osg::GraphicsContext::createGraphicsContext(traits.get());
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view.getCamera()->setGraphicsContext(gc.get());
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osgViewer::GraphicsWindow* gw = dynamic_cast<osgViewer::GraphicsWindow*>(gc.get());
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if (gw)
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{
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OSG_INFO<<"View::setUpViewOnSingleScreen - GraphicsWindow has been created successfully."<<std::endl;
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gw->getEventQueue()->getCurrentEventState()->setWindowRectangle(traits->x, traits->y, traits->width, traits->height );
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}
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else
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{
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OSG_NOTICE<<" GraphicsWindow has not been created successfully."<<std::endl;
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}
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double fovy, aspectRatio, zNear, zFar;
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view.getCamera()->getProjectionMatrixAsPerspective(fovy, aspectRatio, zNear, zFar);
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double newAspectRatio = double(traits->width) / double(traits->height);
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double aspectRatioChange = newAspectRatio / aspectRatio;
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if (aspectRatioChange != 1.0)
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{
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view.getCamera()->getProjectionMatrix() *= osg::Matrix::scale(1.0/aspectRatioChange,1.0,1.0);
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}
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view.getCamera()->setViewport(new osg::Viewport(0, 0, traits->width, traits->height));
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GLenum buffer = traits->doubleBuffer ? GL_BACK : GL_FRONT;
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view.getCamera()->setDrawBuffer(buffer);
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view.getCamera()->setReadBuffer(buffer);
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OSG_NOTICE<<"Here"<<std::endl;
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if (ds->getKeystoneHint())
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{
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if (ds->getKeystoneHint() && !ds->getKeystoneFileNames().empty())
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{
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osgViewer::Keystone::loadKeystoneFiles(ds);
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}
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if (ds->getKeystones().empty()) ds->getKeystones().push_back(new Keystone);
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view.assignStereoOrKeystoneToCamera(view.getCamera(), ds);
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}
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else if (ds->getStereo() && ds->getUseSceneViewForStereoHint())
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{
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view.assignStereoOrKeystoneToCamera(view.getCamera(), ds);
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}
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}
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