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/**
* @file
* @author 2012-2013 Stefan Radomski (stefan.radomski@cs.tu-darmstadt.de)
* @copyright Simplified BSD
*
* @cond
* This program is free software: you can redistribute it and/or modify
* it under the terms of the FreeBSD license as published by the FreeBSD
* project.
*
* This program 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.
*
* You should have received a copy of the FreeBSD license along with this
* program. If not, see <http://www.opensource.org/licenses/bsd-license>.
* @endcond
*/
#include "CompositeDisplay.h"
#if 0
#ifdef MACOSX
USE_GRAPICSWINDOW_IMPLEMENTATION(Cocoa)
#else
USE_GRAPHICSWINDOW()
#endif
#endif
CompositeDisplay::CompositeDisplay(unsigned int x,
unsigned int y,
unsigned int width,
unsigned int height,
int screenId) {
_waitForViewOp = false;
unsigned int tWidth = 0;
unsigned int tHeight = 0;
getResolution(tWidth, tHeight, screenId);
osg::ref_ptr<osg::GraphicsContext::Traits> traits = new osg::GraphicsContext::Traits;
traits->doubleBuffer = true;
traits->sharedContext = 0;
traits->screenNum = screenId;
if (width == 0 || height == 0 || (width == tWidth && height == tHeight)) {
// fullscreen
traits->windowDecoration = false;
traits->width = tWidth;
traits->height = tHeight;
traits->x = 0;
traits->y = 0;
} else {
// Start with given resolution
traits->windowDecoration = true;
traits->x = x;
traits->y = y;
traits->width = width;
traits->height = height;
}
_gc = osg::GraphicsContext::createGraphicsContext(traits.get());
if (_gc.valid()) {
_gc->setClearColor(osg::Vec4f(1.0f,1.0f,1.0f,1.0f));
_gc->setClearMask(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
}
_width = traits->width;
_height = traits->height;
setRunMaxFrameRate(30);
// setRunFrameScheme(osgViewer::ViewerBase::ON_DEMAND);
setThreadingModel(osgViewer::Viewer::AutomaticSelection);
}
CompositeDisplay::~CompositeDisplay() {}
void CompositeDisplay::frame(double simulationTime) {
tthread::lock_guard<tthread::recursive_mutex> lock(_mutex);
CompositeViewer::frame();
}
bool CompositeDisplay::checkNeedToDoFrame() {
return CompositeViewer::checkNeedToDoFrame();
}
void CompositeDisplay::addView(const std::string& name, osg::Viewport* v, osgViewer::View* view) {
tthread::lock_guard<tthread::recursive_mutex> lock(_mutex);
_viewports[name] = v;
_views[name] = view;
_views[name]->setName(name);
_views[name]->getCamera()->setName(name);
_views[name]->setCameraManipulator(new osgGA::TrackballManipulator);
// add the state manipulator
osg::ref_ptr<osgGA::StateSetManipulator> statesetManipulator = new osgGA::StateSetManipulator;
statesetManipulator->setStateSet(_views[name]->getCamera()->getOrCreateStateSet());
_views[name]->addEventHandler( statesetManipulator.get() );
_views[name]->addEventHandler( new osgViewer::StatsHandler );
_views[name]->addEventHandler( new osgViewer::HelpHandler );
_views[name]->addEventHandler( new osgViewer::WindowSizeHandler );
_views[name]->addEventHandler( new osgViewer::ThreadingHandler );
_views[name]->getCamera()->setViewport(v);
// set graphic context
_views[name]->getCamera()->setGraphicsContext(_gc.get());
CompositeViewer::addView(_views[name]);
}
void CompositeDisplay::moveView(const std::string& name, osg::Viewport* v) {
tthread::lock_guard<tthread::recursive_mutex> lock(_mutex);
const osg::GraphicsContext::Traits* traits = _gc->getTraits();
osg::Viewport* absoluteVp = new osg::Viewport(v->x() * (traits->width/100.0),
v->y() * (traits->height/100.0),
v->width() * (traits->width/100.0),
v->height() * (traits->height/100.0));
_views[name]->getCamera()->setViewport(absoluteVp);
}
void CompositeDisplay::removeView(const std::string& name) {
tthread::lock_guard<tthread::recursive_mutex> lock(_mutex);
_views[name]->getCamera()->setGraphicsContext(NULL);
_views[name]->getCamera()->setViewport(NULL);
CompositeViewer::removeView(_views[name]);
if (_views.find(name) != _views.end()) {
_views.erase(name);
}
if (_viewports.find(name) != _viewports.end())
_viewports.erase(name);
}
osg::GraphicsContext::WindowingSystemInterface* CompositeDisplay::wsi = NULL;
void CompositeDisplay::getResolution(unsigned int& width, unsigned int& height, int screenId) {
if (!wsi)
wsi = osg::GraphicsContext::getWindowingSystemInterface();
if (wsi) {
wsi->getScreenResolution(osg::GraphicsContext::ScreenIdentifier(screenId), width, height);
} else {
width = 800;
height = 600;
}
}
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