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

Added support to slideshow3D for -s commandline option allow the size of

Browse Source 
the display to be specified.

Also implementaited some code for display position and speed info in
osgProducer::Viewer, not fully implemented yet.
This commit is contained in:
Robert Osfield
2003-11-04 16:38:10 +00:00
parent 8ed0f3ea95
commit 54a8ea33ce
9 changed files with 137 additions and 27 deletions
Download Patch File Download Diff File Expand all files Collapse all files

27
examples/slideshow3D/slideshow3D.cpp
View File

@@ -87,7 +87,8 @@ int main( int argc, char **argv )
arguments.getApplicationUsage()->setCommandLineUsage(arguments.getApplicationName()+" [options] filename ...");
arguments.getApplicationUsage()->addCommandLineOption("-h or --help","Display this information");
arguments.getApplicationUsage()->addCommandLineOption("-a","Turn auto stepping on by default");
arguments.getApplicationUsage()->addCommandLineOption("-d <float>","Time delay in seconds between layers/slides");
arguments.getApplicationUsage()->addCommandLineOption("-d <float>","Time duration in seconds between layers/slides");
arguments.getApplicationUsage()->addCommandLineOption("-s <float> <float> <float>","width, height, distance and of the screen away from the viewer");
// construct the viewer.
@@ -112,6 +113,9 @@ int main( int argc, char **argv )
bool autoSteppingActive = false;
while (arguments.read("-a")) autoSteppingActive = true;
// register the slide event handler - which moves the presentation from slide to slide, layer to layer.
SlideEventHandler* seh = new SlideEventHandler;
@@ -124,6 +128,17 @@ int main( int argc, char **argv )
PointsEventHandler* peh = new PointsEventHandler;
viewer.getEventHandlerList().push_front(peh);
float width, height, distance;
bool sizesSpecified = false;
while (arguments.read("-s", width, height, distance))
{
sizesSpecified = true;
osg::DisplaySettings::instance()->setScreenDistance(distance);
osg::DisplaySettings::instance()->setScreenHeight(height);
osg::DisplaySettings::instance()->setScreenWidth(width);
}
// get details on keyboard and mouse bindings used by the viewer.
viewer.getUsage(*arguments.getApplicationUsage());
@@ -135,7 +150,7 @@ int main( int argc, char **argv )
}
// any option left unread are converted into errors to write out later.
arguments.reportRemainingOptionsAsUnrecognized();
//arguments.reportRemainingOptionsAsUnrecognized();
// report any errors if they have occured when parsing the program aguments.
if (arguments.errors())
@@ -179,6 +194,14 @@ int main( int argc, char **argv )
// create the windows and run the threads.
viewer.realize();
if (sizesSpecified)
{
double vfov = osg::RadiansToDegrees(atan2(height/2.0,distance)*2.0);
double hfov = osg::RadiansToDegrees(atan2(width/2.0,distance)*2.0);
viewer.setLensPerspective( hfov, vfov, 0.1, 1000.0);
}
// set all the sceneview's up so that their left and right add cull masks are set up.
for(osgProducer::OsgCameraGroup::SceneHandlerList::iterator itr=viewer.getSceneHandlerList().begin();
itr!=viewer.getSceneHandlerList().end();