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

Added support for conrolling point size into slideshow3D.

Browse Source
This commit is contained in:
Robert Osfield
2003-09-14 22:11:16 +00:00
parent 02bde1b175
commit a54537558c
5 changed files with 152 additions and 16 deletions
Download Patch File Download Diff File Expand all files Collapse all files

30
examples/slideshow3D/slideshow3D.cpp
View File

@@ -1,12 +1,13 @@
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2003 Robert Osfield
*
* This application is open source and may be redistributed and/or modified
* freely and without restriction, both in commericial and non commericial applications,
* as long as this copyright notice is maintained.
*
* This application is distributed in the hope that it will be useful,
* This library is open source and may be redistributed and/or modified under
* the terms of the GNU Public License (GPL) version 1.0 or
* (at your option) any later version.
*
* This library 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.
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* OpenSceneGraph Public License for more details.
*/
#include <osgDB/ReadFile>
@@ -14,6 +15,7 @@
#include <osgProducer/Viewer>
#include "SlideEventHandler.h"
#include "PointsEventHandler.h"
extern osg::Node* createDefaultPresentation();
@@ -25,7 +27,7 @@ int main( int argc, char **argv )
// set up the usage document, in case we need to print out how to use this program.
arguments.getApplicationUsage()->setApplicationName(arguments.getApplicationName());
arguments.getApplicationUsage()->setDescription(arguments.getApplicationName()+" is the standard OpenSceneGraph example which loads and visualises 3d models.");
arguments.getApplicationUsage()->setDescription(arguments.getApplicationName()+" is the application for presenting 3D interactive slide shows.");
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");
@@ -38,9 +40,6 @@ int main( int argc, char **argv )
// set up the value with sensible default event handlers.
viewer.setUpViewer(osgProducer::Viewer::STANDARD_SETTINGS);
// get details on keyboard and mouse bindings used by the viewer.
viewer.getUsage(*arguments.getApplicationUsage());
// read any time delay argument.
float timeDelayBetweenSlides = 1.5f;
while (arguments.read("-d",timeDelayBetweenSlides)) {}
@@ -55,6 +54,13 @@ int main( int argc, char **argv )
seh->setAutoSteppingActive(autoSteppingActive);
seh->setTimeDelayBetweenSlides(timeDelayBetweenSlides);
// register the handler for modifying the point size
PointsEventHandler* peh = new PointsEventHandler;
viewer.getEventHandlerList().push_front(peh);
// get details on keyboard and mouse bindings used by the viewer.
viewer.getUsage(*arguments.getApplicationUsage());
// if user request help write it out to cout.
if (arguments.read("-h") || arguments.read("--help"))
{
@@ -106,6 +112,10 @@ int main( int argc, char **argv )
// set the scene to render
viewer.setSceneData(loadedModel.get());
// pass the global stateset to the point event handler so that it can
// alter the point size of all points in the scene.
peh->setStateSet(viewer.getGlobalStateSet());
// create the windows and run the threads.
viewer.realize();