FGFS-4.1/OpenSceneGraph
4
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Added osgViewer::View::setUpViewInWindow(...) method and command line option into

Browse Source 
osgViewer::Viewer to allow you to specify the window dimentions and screen for
the window on startup.
This commit is contained in:
Robert Osfield
2007-06-13 10:38:40 +00:00
parent 8246a6018d
commit a9a55de053
4 changed files with 80 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

61
src/osgViewer/View.cpp
View File

@@ -272,7 +272,8 @@ void View::setUpViewAcrossAllScreens()
traits->sharedContext = 0;
traits->sampleBuffers = ds->getMultiSamples();
traits->samples = ds->getNumMultiSamples();
if (ds->getStereo() && (ds->getStereoMode() == osg::DisplaySettings::QUAD_BUFFER)) {
if (ds->getStereo() && (ds->getStereoMode() == osg::DisplaySettings::QUAD_BUFFER))
{
traits->quadBufferStereo = true;
}
osg::ref_ptr<osg::GraphicsContext> gc = osg::GraphicsContext::createGraphicsContext(traits.get());
@@ -392,6 +393,61 @@ void View::setUpViewAcrossAllScreens()
assignSceneDataToCameras();
}
void View::setUpViewInWindow(int x, int y, int width, int height, unsigned int screenNum)
{
osg::DisplaySettings* ds = _displaySettings.valid() ? _displaySettings.get() : osg::DisplaySettings::instance();
osg::ref_ptr<osg::GraphicsContext::Traits> traits = new osg::GraphicsContext::Traits;
traits->screenNum = screenNum;
traits->x = x;
traits->y = y;
traits->width = width;
traits->height = height;
traits->alpha = ds->getMinimumNumAlphaBits();
traits->stencil = ds->getMinimumNumStencilBits();
traits->windowDecoration = true;
traits->doubleBuffer = true;
traits->sharedContext = 0;
traits->sampleBuffers = ds->getMultiSamples();
traits->samples = ds->getNumMultiSamples();
if (ds->getStereo() && (ds->getStereoMode() == osg::DisplaySettings::QUAD_BUFFER))
{
traits->quadBufferStereo = true;
}
osg::ref_ptr<osg::GraphicsContext> gc = osg::GraphicsContext::createGraphicsContext(traits.get());
_camera->setGraphicsContext(gc.get());
osgViewer::GraphicsWindow* gw = dynamic_cast<osgViewer::GraphicsWindow*>(gc.get());
if (gw)
{
osg::notify(osg::INFO)<<"View::setUpViewOnSingleScreen - GraphicsWindow has been created successfully."<<std::endl;
gw->getEventQueue()->getCurrentEventState()->setWindowRectangle(x, y, width, height );
}
else
{
osg::notify(osg::NOTICE)<<" GraphicsWindow has not been created successfully."<<std::endl;
}
double fovy, aspectRatio, zNear, zFar;
_camera->getProjectionMatrixAsPerspective(fovy, aspectRatio, zNear, zFar);
double newAspectRatio = double(traits->width) / double(traits->height);
double aspectRatioChange = newAspectRatio / aspectRatio;
if (aspectRatioChange != 1.0)
{
_camera->getProjectionMatrix() *= osg::Matrix::scale(1.0/aspectRatioChange,1.0,1.0);
}
_camera->setViewport(new osg::Viewport(0, 0, traits->width, traits->height));
GLenum buffer = traits->doubleBuffer ? GL_BACK : GL_FRONT;
_camera->setDrawBuffer(buffer);
_camera->setReadBuffer(buffer);
}
void View::setUpViewOnSingleScreen(unsigned int screenNum)
{
osg::GraphicsContext::WindowingSystemInterface* wsi = osg::GraphicsContext::getWindowingSystemInterface();
@@ -419,7 +475,8 @@ void View::setUpViewOnSingleScreen(unsigned int screenNum)
traits->sharedContext = 0;
traits->sampleBuffers = ds->getMultiSamples();
traits->samples = ds->getNumMultiSamples();
if (ds->getStereo() && (ds->getStereoMode() == osg::DisplaySettings::QUAD_BUFFER)) {
if (ds->getStereo() && (ds->getStereoMode() == osg::DisplaySettings::QUAD_BUFFER))
{
traits->quadBufferStereo = true;
}