139 lines
4.4 KiB
C++
139 lines
4.4 KiB
C++
/* OpenSceneGraph example, osgcompositeviewer.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include <iostream>
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#include <osg/Notify>
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#include <osg/io_utils>
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#include <osg/ArgumentParser>
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#include <osgDB/WriteFile>
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#include <osgGA/TrackballManipulator>
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#include <osgGA/StateSetManipulator>
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#include <osgViewer/Viewer>
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#include <osgViewer/ViewerEventHandlers>
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#include <osgWidget/Browser>
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#include <QtWebKit/QWebSettings>
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#include <QtWebKit/QtWebKit>
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#include <QtGui/QGraphicsScene>
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#include <QtGui/QGraphicsView>
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#include <QtGui/QApplication>
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#include <QtGui/QPainter>
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#include <QtGui/QtEvents>
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#include <osgQt/QGraphicsViewAdapter>
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#include <osgQt/QWebViewImage>
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// Thread that runs the viewer's frame loop as we can't run Qt in the background...
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class ViewerFrameThread : public OpenThreads::Thread
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{
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public:
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ViewerFrameThread(osgViewer::ViewerBase* viewerBase, bool doQApplicationExit):
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_viewerBase(viewerBase),
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_doQApplicationExit(doQApplicationExit) {}
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~ViewerFrameThread()
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{
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cancel();
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while(isRunning())
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{
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OpenThreads::Thread::YieldCurrentThread();
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}
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}
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int cancel()
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{
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_viewerBase->setDone(true);
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return 0;
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}
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void run()
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{
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int result = _viewerBase->run();
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if (_doQApplicationExit) QApplication::exit(result);
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}
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osg::ref_ptr<osgViewer::ViewerBase> _viewerBase;
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bool _doQApplicationExit;
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};
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int main(int argc, char **argv)
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{
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// Qt requires that we construct the global QApplication before creating any widgets.
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QApplication app(argc, argv);
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// use an ArgumentParser object to manage the program arguments.
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osg::ArgumentParser arguments(&argc,argv);
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bool useFrameLoopThread = true;
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if (arguments.read("--no-frame-thread")) useFrameLoopThread = false;
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osg::ref_ptr<osgQt::QWebViewImage> image = new osgQt::QWebViewImage;
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if (arguments.argc()>1) image->navigateTo((arguments[1]));
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else image->navigateTo("http://www.youtube.com/");
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osgWidget::GeometryHints hints(osg::Vec3(0.0f,0.0f,0.0f),
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osg::Vec3(1.0f,0.0f,0.0f),
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osg::Vec3(0.0f,0.0f,1.0f),
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osg::Vec4(1.0f,1.0f,1.0f,1.0f),
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osgWidget::GeometryHints::RESIZE_HEIGHT_TO_MAINTAINCE_ASPECT_RATIO);
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osg::ref_ptr<osgWidget::Browser> browser = new osgWidget::Browser;
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browser->assign(image.get(), hints);
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// image->focusBrowser(true);
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osg::ref_ptr<osgViewer::Viewer> viewer = new osgViewer::Viewer(arguments);
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viewer->setSceneData(browser.get());
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viewer->setCameraManipulator(new osgGA::TrackballManipulator());
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viewer->addEventHandler(new osgViewer::StatsHandler);
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viewer->addEventHandler(new osgViewer::WindowSizeHandler);
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if (useFrameLoopThread)
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{
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// create a thread to run the viewer's frame loop
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ViewerFrameThread viewerThread(viewer.get(), true);
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viewerThread.startThread();
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// now start the standard Qt event loop, then exists when the viewerThead sends the QApplication::exit() signal.
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return QApplication::exec();
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}
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else
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{
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// run the frame loop, interleaving Qt and the main OSG frame loop
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while(!viewer->done())
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{
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// process Qt events - this handles both events and paints the browser image
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QCoreApplication::processEvents(QEventLoop::AllEvents, 100);
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viewer->frame();
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}
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return 0;
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}
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}
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