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From Cedric Pinson, "here an update of osgmovie example with the following features:

Browse Source 
- play and pause now stop and play all streams given in the command line
(not only the first)
- add key + - to increase decrease the speed of all streams
- add key o to display all stream frame rate
"
This commit is contained in:
Robert Osfield 2009-11-20 10:54:39 +00:00
parent 7552954ef3
commit e15006b194
1 changed files with 47 additions and 10 deletions
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57
examples/osgmovie/osgmovie.cpp
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@ -43,7 +43,7 @@ class MovieEventHandler : public osgGA::GUIEventHandler
{
public:
MovieEventHandler():_playToggle(true),_trackMouse(false) {}
MovieEventHandler():_trackMouse(false) {}
void setMouseTracking(bool track) { _trackMouse = track; }
bool getMouseTracking() const { return _trackMouse; }
@ -116,7 +116,6 @@ protected:
};
bool _playToggle;
bool _trackMouse;
ImageStreamList _imageStreamList;
@ -211,17 +210,16 @@ bool MovieEventHandler::handle(const osgGA::GUIEventAdapter& ea,osgGA::GUIAction
itr!=_imageStreamList.end();
++itr)
{
_playToggle = !_playToggle;
if ( _playToggle )
osg::ImageStream::StreamStatus playToggle = (*itr)->getStatus();
if (playToggle != osg::ImageStream::PLAYING)
{
// playing, so pause
std::cout<<"Play"<<std::endl;
std::cout<< (*itr).get() << " Play"<<std::endl;
(*itr)->play();
}
else
{
// playing, so pause
std::cout<<"Pause"<<std::endl;
std::cout<< (*itr).get() << " Pause"<<std::endl;
(*itr)->pause();
}
}
@ -233,7 +231,7 @@ bool MovieEventHandler::handle(const osgGA::GUIEventAdapter& ea,osgGA::GUIAction
itr!=_imageStreamList.end();
++itr)
{
std::cout<<"Restart"<<std::endl;
std::cout<< (*itr).get() << " Restart"<<std::endl;
(*itr)->rewind();
(*itr)->play();
}
@ -247,17 +245,53 @@ bool MovieEventHandler::handle(const osgGA::GUIEventAdapter& ea,osgGA::GUIAction
{
if ( (*itr)->getLoopingMode() == osg::ImageStream::LOOPING)
{
std::cout<<"Toggle Looping Off"<<std::endl;
std::cout<< (*itr).get() << " Toggle Looping Off"<<std::endl;
(*itr)->setLoopingMode( osg::ImageStream::NO_LOOPING );
}
else
{
std::cout<<"Toggle Looping On"<<std::endl;
std::cout<< (*itr).get() << " Toggle Looping On"<<std::endl;
(*itr)->setLoopingMode( osg::ImageStream::LOOPING );
}
}
return true;
}
else if (ea.getKey()=='+')
{
for(ImageStreamList::iterator itr=_imageStreamList.begin();
itr!=_imageStreamList.end();
++itr)
{
double tm = (*itr)->getTimeMultiplier();
tm += 0.1;
(*itr)->setTimeMultiplier(tm);
std::cout << (*itr).get() << " Increase speed rate "<< (*itr)->getTimeMultiplier() << std::endl;
}
return true;
}
else if (ea.getKey()=='-')
{
for(ImageStreamList::iterator itr=_imageStreamList.begin();
itr!=_imageStreamList.end();
++itr)
{
double tm = (*itr)->getTimeMultiplier();
tm -= 0.1;
(*itr)->setTimeMultiplier(tm);
std::cout << (*itr).get() << " Decrease speed rate "<< (*itr)->getTimeMultiplier() << std::endl;
}
return true;
}
else if (ea.getKey()=='o')
{
for(ImageStreamList::iterator itr=_imageStreamList.begin();
itr!=_imageStreamList.end();
++itr)
{
std::cout<< (*itr).get() << " Frame rate "<< (*itr)->getFrameRate() <<std::endl;
}
return true;
}
return false;
}
@ -272,6 +306,9 @@ void MovieEventHandler::getUsage(osg::ApplicationUsage& usage) const
usage.addKeyboardMouseBinding("p","Play/Pause movie");
usage.addKeyboardMouseBinding("r","Restart movie");
usage.addKeyboardMouseBinding("l","Toggle looping of movie");
usage.addKeyboardMouseBinding("+","Increase speed of movie");
usage.addKeyboardMouseBinding("-","Decrease speed of movie");
usage.addKeyboardMouseBinding("o","Display frame rate of movie");
}