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From Jean-Sebastien Guay, "Changes attached so that the CaptureOperation is passed in the constructor of the ScreenCaptureHandler (default 0 = default CaptureOperation). This way, you can do:

Browse Source 
viewer.addEventHandler(new osgViewer::ScreenCaptureHandler(
   new osgViewer::WriteToFileCaptureOperation("filename", "jpg")));

and the filename will be what you want. The WriteToFileCaptureOperation will add the context ID and the file number (if in SEQUENTIAL_NUMBER mode) to the file name.

(The attached also clarifies some notify messages, and corrects the comment when adding the handler in osgviewer.cpp)

I also remembered, the current architecture could allow a different CaptureOperation for each context, but currently the API only allows setting one CaptureOperation for all contexts. This could be improved if need be.

"
This commit is contained in:
Robert Osfield 2008-07-21 21:28:48 +00:00
parent 5e80c3856f
commit cad2f6d4fc
3 changed files with 49 additions and 85 deletions
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2
applications/osgviewer/osgviewer.cpp
View File

@ -123,7 +123,7 @@ int main(int argc, char** argv)
// add the LOD Scale handler // add the LOD Scale handler
viewer.addEventHandler(new osgViewer::LODScaleHandler); viewer.addEventHandler(new osgViewer::LODScaleHandler);
// add the LOD Scale handler // add the screen capture handler
viewer.addEventHandler(new osgViewer::ScreenCaptureHandler); viewer.addEventHandler(new osgViewer::ScreenCaptureHandler);
// load the data // load the data

8
include/osgViewer/ViewerEventHandlers
View File

@ -355,6 +355,7 @@ class OSGVIEWER_EXPORT WindowCaptureCallback : public osg::Camera::DrawCallback
void updateTimings(osg::Timer_t tick_start, void updateTimings(osg::Timer_t tick_start,
osg::Timer_t tick_afterReadPixels, osg::Timer_t tick_afterReadPixels,
osg::Timer_t tick_afterMemCpy, osg::Timer_t tick_afterMemCpy,
osg::Timer_t tick_afterCaptureOperation,
unsigned int dataSize); unsigned int dataSize);
void read(); void read();
@ -384,8 +385,10 @@ class OSGVIEWER_EXPORT WindowCaptureCallback : public osg::Camera::DrawCallback
unsigned int _reportTimingFrequency; unsigned int _reportTimingFrequency;
unsigned int _numTimeValuesRecorded; unsigned int _numTimeValuesRecorded;
double _timeForReadPixels; double _timeForReadPixels;
double _timeForFullCopy;
double _timeForMemCpy; double _timeForMemCpy;
double _timeForCaptureOperation;
double _timeForFullCopy;
double _timeForFullCopyAndOperation;
osg::Timer_t _previousFrameTick; osg::Timer_t _previousFrameTick;
osg::ref_ptr<CaptureOperation> _captureOperation; osg::ref_ptr<CaptureOperation> _captureOperation;
@ -411,13 +414,14 @@ class OSGVIEWER_EXPORT WindowCaptureCallback : public osg::Camera::DrawCallback
mutable OpenThreads::Mutex _mutex; mutable OpenThreads::Mutex _mutex;
mutable ContextDataMap _contextDataMap; mutable ContextDataMap _contextDataMap;
osg::ref_ptr<CaptureOperation> _defaultCaptureOperation;
}; };
/** Event handler that will capture the screen on key press. */ /** Event handler that will capture the screen on key press. */
class OSGVIEWER_EXPORT ScreenCaptureHandler : public osgGA::GUIEventHandler class OSGVIEWER_EXPORT ScreenCaptureHandler : public osgGA::GUIEventHandler
{ {
public: public:
ScreenCaptureHandler(); ScreenCaptureHandler(CaptureOperation* defaultOperation = 0);
void setKeyEventTakeScreenShot(int key) { _keyEventTakeScreenShot = key; } void setKeyEventTakeScreenShot(int key) { _keyEventTakeScreenShot = key; }
int getKeyEventTakeScreenShot() const { return _keyEventTakeScreenShot; } int getKeyEventTakeScreenShot() const { return _keyEventTakeScreenShot; }

124
src/osgViewer/ScreenCaptureHandler.cpp
View File

@ -50,7 +50,7 @@ void WriteToFileCaptureOperation::operator () (const osg::Image& image, const un
osgDB::writeImageFile(image, filename.str()); osgDB::writeImageFile(image, filename.str());
osg::notify(osg::INFO)<<"Taking a screenshot, saved as '"<<filename.str()<<"'"<<std::endl; osg::notify(osg::INFO)<<"ScreenCaptureHandler: Taking a screenshot, saved as '"<<filename.str()<<"'"<<std::endl;
if (_savePolicy == SEQUENTIAL_NUMBER) if (_savePolicy == SEQUENTIAL_NUMBER)
{ {
@ -87,12 +87,12 @@ WindowCaptureCallback::ContextData::ContextData(osg::GraphicsContext* gc, Mode m
{ {
if (gc->getTraits()->alpha) if (gc->getTraits()->alpha)
{ {
osg::notify(level)<<"Select GL_RGBA read back format"<<std::endl; osg::notify(level)<<"ScreenCaptureHandler: Selected GL_RGBA read back format"<<std::endl;
_pixelFormat = GL_RGBA; _pixelFormat = GL_RGBA;
} }
else else
{ {
osg::notify(level)<<"Select GL_RGB read back format"<<std::endl; osg::notify(level)<<"ScreenCaptureHandler: Selected GL_RGB read back format"<<std::endl;
_pixelFormat = GL_RGB; _pixelFormat = GL_RGB;
} }
} }
@ -108,19 +108,19 @@ WindowCaptureCallback::ContextData::ContextData(osg::GraphicsContext* gc, Mode m
switch(_mode) switch(_mode)
{ {
case(READ_PIXELS): case(READ_PIXELS):
osg::notify(level)<<"Reading window using glReadPixels, without PixelBufferObject."<<std::endl; osg::notify(level)<<"ScreenCaptureHandler: Reading window using glReadPixels, without PixelBufferObject."<<std::endl;
break; break;
case(SINGLE_PBO): case(SINGLE_PBO):
osg::notify(level)<<"Reading window using glReadPixels, with a single PixelBufferObject."<<std::endl; osg::notify(level)<<"ScreenCaptureHandler: Reading window using glReadPixels, with a single PixelBufferObject."<<std::endl;
_pboBuffer.push_back(0); _pboBuffer.push_back(0);
break; break;
case(DOUBLE_PBO): case(DOUBLE_PBO):
osg::notify(level)<<"Reading window using glReadPixels, with a double buffer PixelBufferObject."<<std::endl; osg::notify(level)<<"ScreenCaptureHandler: Reading window using glReadPixels, with a double buffer PixelBufferObject."<<std::endl;
_pboBuffer.push_back(0); _pboBuffer.push_back(0);
_pboBuffer.push_back(0); _pboBuffer.push_back(0);
break; break;
case(TRIPLE_PBO): case(TRIPLE_PBO):
osg::notify(level)<<"Reading window using glReadPixels, with a triple buffer PixelBufferObject."<<std::endl; osg::notify(level)<<"ScreenCaptureHandler: Reading window using glReadPixels, with a triple buffer PixelBufferObject."<<std::endl;
_pboBuffer.push_back(0); _pboBuffer.push_back(0);
_pboBuffer.push_back(0); _pboBuffer.push_back(0);
_pboBuffer.push_back(0); _pboBuffer.push_back(0);
@ -142,58 +142,15 @@ void WindowCaptureCallback::ContextData::getSize(osg::GraphicsContext* gc, int&
void WindowCaptureCallback::ContextData::updateTimings(osg::Timer_t tick_start, void WindowCaptureCallback::ContextData::updateTimings(osg::Timer_t tick_start,
osg::Timer_t tick_afterReadPixels, osg::Timer_t tick_afterReadPixels,
osg::Timer_t tick_afterMemCpy, osg::Timer_t tick_afterMemCpy,
osg::Timer_t tick_afterCaptureOperation,
unsigned int dataSize) unsigned int dataSize)
{ {
/*
if (!_reportTimingFrequency) return;
double timeForReadPixels = osg::Timer::instance()->delta_s(tick_start, tick_afterReadPixels);
double timeForFullCopy = osg::Timer::instance()->delta_s(tick_start, tick_afterMemCpy);
double timeForMemCpy = osg::Timer::instance()->delta_s(tick_afterReadPixels, tick_afterMemCpy);
_timeForReadPixels += timeForReadPixels;
_timeForFullCopy += timeForFullCopy;
_timeForMemCpy += timeForMemCpy;
++_numTimeValuesRecorded;
if (_numTimeValuesRecorded==_reportTimingFrequency)
{
timeForReadPixels = _timeForReadPixels/double(_numTimeValuesRecorded);
timeForFullCopy = _timeForFullCopy/double(_numTimeValuesRecorded);
timeForMemCpy = _timeForMemCpy/double(_numTimeValuesRecorded);
double averageFrameTime = osg::Timer::instance()->delta_s(_previousFrameTick, tick_afterMemCpy)/double(_numTimeValuesRecorded);
double fps = 1.0/averageFrameTime;
_previousFrameTick = tick_afterMemCpy;
_timeForReadPixels = 0.0;
_timeForFullCopy = 0.0;
_timeForMemCpy = 0.0;
_numTimeValuesRecorded = 0;
double numMPixels = double(_width * _height) / 1000000.0;
double numMb = double(dataSize) / (1024*1024);
int prec = osg::notify(osg::NOTICE).precision(5);
if (timeForMemCpy==0.0)
{
osg::notify(osg::NOTICE)<<"fps = "<<fps<<", full frame copy = "<<timeForFullCopy*1000.0f<<"ms rate = "<<numMPixels / timeForFullCopy<<" Mpixel/sec, copy speed = "<<numMb / timeForFullCopy<<" Mb/sec"<<std::endl;
}
else
{
osg::notify(osg::NOTICE)<<"fps = "<<fps<<", full frame copy = "<<timeForFullCopy*1000.0f<<"ms rate = "<<numMPixels / timeForFullCopy<<" Mpixel/sec, "<<numMb / timeForFullCopy<< " Mb/sec "<<
"time for memcpy = "<<timeForMemCpy*1000.0<<"ms memcpy speed = "<<numMb / timeForMemCpy<<" Mb/sec"<<std::endl;
}
osg::notify(osg::NOTICE).precision(prec);
}
*/
_timeForReadPixels = osg::Timer::instance()->delta_s(tick_start, tick_afterReadPixels); _timeForReadPixels = osg::Timer::instance()->delta_s(tick_start, tick_afterReadPixels);
_timeForFullCopy = osg::Timer::instance()->delta_s(tick_start, tick_afterMemCpy);
_timeForMemCpy = osg::Timer::instance()->delta_s(tick_afterReadPixels, tick_afterMemCpy); _timeForMemCpy = osg::Timer::instance()->delta_s(tick_afterReadPixels, tick_afterMemCpy);
_timeForCaptureOperation = osg::Timer::instance()->delta_s(tick_afterMemCpy, tick_afterCaptureOperation);
_timeForFullCopy = osg::Timer::instance()->delta_s(tick_start, tick_afterMemCpy);
_timeForFullCopyAndOperation = osg::Timer::instance()->delta_s(tick_start, tick_afterCaptureOperation);
} }
void WindowCaptureCallback::ContextData::read() void WindowCaptureCallback::ContextData::read()
@ -220,8 +177,6 @@ void WindowCaptureCallback::ContextData::read()
void WindowCaptureCallback::ContextData::readPixels() void WindowCaptureCallback::ContextData::readPixels()
{ {
// std::cout<<"readPixels("<<_fileName<<" image "<<_currentImageIndex<<" "<<_currentPboIndex<<std::endl;
unsigned int nextImageIndex = (_currentImageIndex+1)%_imageBuffer.size(); unsigned int nextImageIndex = (_currentImageIndex+1)%_imageBuffer.size();
unsigned int nextPboIndex = _pboBuffer.empty() ? 0 : (_currentPboIndex+1)%_pboBuffer.size(); unsigned int nextPboIndex = _pboBuffer.empty() ? 0 : (_currentPboIndex+1)%_pboBuffer.size();
@ -245,21 +200,20 @@ void WindowCaptureCallback::ContextData::readPixels()
osg::Timer_t tick_afterReadPixels = osg::Timer::instance()->tick(); osg::Timer_t tick_afterReadPixels = osg::Timer::instance()->tick();
updateTimings(tick_start, tick_afterReadPixels, tick_afterReadPixels, image->getTotalSizeInBytes());
if (_captureOperation.valid()) if (_captureOperation.valid())
{ {
(*_captureOperation)(*image, _index); (*_captureOperation)(*image, _index);
} }
osg::Timer_t tick_afterCaptureOperation = osg::Timer::instance()->tick();
updateTimings(tick_start, tick_afterReadPixels, tick_afterReadPixels, tick_afterCaptureOperation, image->getTotalSizeInBytes());
_currentImageIndex = nextImageIndex; _currentImageIndex = nextImageIndex;
_currentPboIndex = nextPboIndex; _currentPboIndex = nextPboIndex;
} }
void WindowCaptureCallback::ContextData::singlePBO(osg::BufferObject::Extensions* ext) void WindowCaptureCallback::ContextData::singlePBO(osg::BufferObject::Extensions* ext)
{ {
// std::cout<<"singelPBO( "<<_fileName<<" image "<<_currentImageIndex<<" "<<_currentPboIndex<<std::endl;
unsigned int nextImageIndex = (_currentImageIndex+1)%_imageBuffer.size(); unsigned int nextImageIndex = (_currentImageIndex+1)%_imageBuffer.size();
int width=0, height=0; int width=0, height=0;
@ -277,12 +231,12 @@ void WindowCaptureCallback::ContextData::singlePBO(osg::BufferObject::Extensions
if (image->s() != _width || if (image->s() != _width ||
image->t() != _height) image->t() != _height)
{ {
//osg::notify(osg::NOTICE)<<"Allocating image "<<std::endl; //osg::notify(osg::NOTICE)<<"ScreenCaptureHandler: Allocating image "<<std::endl;
image->allocateImage(_width, _height, 1, _pixelFormat, _type); image->allocateImage(_width, _height, 1, _pixelFormat, _type);
if (pbo!=0) if (pbo!=0)
{ {
//osg::notify(osg::NOTICE)<<"deleting pbo "<<pbo<<std::endl; //osg::notify(osg::NOTICE)<<"ScreenCaptureHandler: deleting pbo "<<pbo<<std::endl;
ext->glDeleteBuffers (1, &pbo); ext->glDeleteBuffers (1, &pbo);
pbo = 0; pbo = 0;
} }
@ -295,7 +249,7 @@ void WindowCaptureCallback::ContextData::singlePBO(osg::BufferObject::Extensions
ext->glBindBuffer(GL_PIXEL_PACK_BUFFER_ARB, pbo); ext->glBindBuffer(GL_PIXEL_PACK_BUFFER_ARB, pbo);
ext->glBufferData(GL_PIXEL_PACK_BUFFER_ARB, image->getTotalSizeInBytes(), 0, GL_STREAM_READ); ext->glBufferData(GL_PIXEL_PACK_BUFFER_ARB, image->getTotalSizeInBytes(), 0, GL_STREAM_READ);
//osg::notify(osg::NOTICE)<<"Generating pbo "<<pbo<<std::endl; //osg::notify(osg::NOTICE)<<"ScreenCaptureHandler: Generating pbo "<<pbo<<std::endl;
} }
else else
{ {
@ -322,20 +276,19 @@ void WindowCaptureCallback::ContextData::singlePBO(osg::BufferObject::Extensions
osg::Timer_t tick_afterMemCpy = osg::Timer::instance()->tick(); osg::Timer_t tick_afterMemCpy = osg::Timer::instance()->tick();
updateTimings(tick_start, tick_afterReadPixels, tick_afterMemCpy, image->getTotalSizeInBytes());
if (_captureOperation.valid()) if (_captureOperation.valid())
{ {
(*_captureOperation)(*image, _index); (*_captureOperation)(*image, _index);
} }
osg::Timer_t tick_afterCaptureOperation = osg::Timer::instance()->tick();
updateTimings(tick_start, tick_afterReadPixels, tick_afterMemCpy, tick_afterCaptureOperation, image->getTotalSizeInBytes());
_currentImageIndex = nextImageIndex; _currentImageIndex = nextImageIndex;
} }
void WindowCaptureCallback::ContextData::multiPBO(osg::BufferObject::Extensions* ext) void WindowCaptureCallback::ContextData::multiPBO(osg::BufferObject::Extensions* ext)
{ {
// std::cout<<"multiPBO( "<<_fileName<<" image "<<_currentImageIndex<<" "<<_currentPboIndex<<std::endl;
unsigned int nextImageIndex = (_currentImageIndex+1)%_imageBuffer.size(); unsigned int nextImageIndex = (_currentImageIndex+1)%_imageBuffer.size();
unsigned int nextPboIndex = (_currentPboIndex+1)%_pboBuffer.size(); unsigned int nextPboIndex = (_currentPboIndex+1)%_pboBuffer.size();
@ -355,19 +308,19 @@ void WindowCaptureCallback::ContextData::multiPBO(osg::BufferObject::Extensions*
if (image->s() != _width || if (image->s() != _width ||
image->t() != _height) image->t() != _height)
{ {
//osg::notify(osg::NOTICE)<<"Allocating image "<<std::endl; //osg::notify(osg::NOTICE)<<"ScreenCaptureHandler: Allocating image "<<std::endl;
image->allocateImage(_width, _height, 1, _pixelFormat, _type); image->allocateImage(_width, _height, 1, _pixelFormat, _type);
if (read_pbo!=0) if (read_pbo!=0)
{ {
//osg::notify(osg::NOTICE)<<"deleting pbo "<<read_pbo<<std::endl; //osg::notify(osg::NOTICE)<<"ScreenCaptureHandler: deleting pbo "<<read_pbo<<std::endl;
ext->glDeleteBuffers (1, &read_pbo); ext->glDeleteBuffers (1, &read_pbo);
read_pbo = 0; read_pbo = 0;
} }
if (copy_pbo!=0) if (copy_pbo!=0)
{ {
//osg::notify(osg::NOTICE)<<"deleting pbo "<<copy_pbo<<std::endl; //osg::notify(osg::NOTICE)<<"ScreenCaptureHandler: deleting pbo "<<copy_pbo<<std::endl;
ext->glDeleteBuffers (1, &copy_pbo); ext->glDeleteBuffers (1, &copy_pbo);
copy_pbo = 0; copy_pbo = 0;
} }
@ -381,7 +334,7 @@ void WindowCaptureCallback::ContextData::multiPBO(osg::BufferObject::Extensions*
ext->glBindBuffer(GL_PIXEL_PACK_BUFFER_ARB, copy_pbo); ext->glBindBuffer(GL_PIXEL_PACK_BUFFER_ARB, copy_pbo);
ext->glBufferData(GL_PIXEL_PACK_BUFFER_ARB, image->getTotalSizeInBytes(), 0, GL_STREAM_READ); ext->glBufferData(GL_PIXEL_PACK_BUFFER_ARB, image->getTotalSizeInBytes(), 0, GL_STREAM_READ);
//osg::notify(osg::NOTICE)<<"Generating pbo "<<read_pbo<<std::endl; //osg::notify(osg::NOTICE)<<"ScreenCaptureHandler: Generating pbo "<<read_pbo<<std::endl;
} }
if (read_pbo==0) if (read_pbo==0)
@ -390,7 +343,7 @@ void WindowCaptureCallback::ContextData::multiPBO(osg::BufferObject::Extensions*
ext->glBindBuffer(GL_PIXEL_PACK_BUFFER_ARB, read_pbo); ext->glBindBuffer(GL_PIXEL_PACK_BUFFER_ARB, read_pbo);
ext->glBufferData(GL_PIXEL_PACK_BUFFER_ARB, image->getTotalSizeInBytes(), 0, GL_STREAM_READ); ext->glBufferData(GL_PIXEL_PACK_BUFFER_ARB, image->getTotalSizeInBytes(), 0, GL_STREAM_READ);
//osg::notify(osg::NOTICE)<<"Generating pbo "<<read_pbo<<std::endl; //osg::notify(osg::NOTICE)<<"ScreenCaptureHandler: Generating pbo "<<read_pbo<<std::endl;
} }
else else
{ {
@ -428,7 +381,7 @@ void WindowCaptureCallback::ContextData::multiPBO(osg::BufferObject::Extensions*
osg::Timer_t tick_afterMemCpy = osg::Timer::instance()->tick(); osg::Timer_t tick_afterMemCpy = osg::Timer::instance()->tick();
updateTimings(tick_start, tick_afterReadPixels, tick_afterMemCpy, image->getTotalSizeInBytes()); updateTimings(tick_start, tick_afterReadPixels, tick_afterMemCpy, tick_afterMemCpy, image->getTotalSizeInBytes());
_currentImageIndex = nextImageIndex; _currentImageIndex = nextImageIndex;
_currentPboIndex = nextPboIndex; _currentPboIndex = nextPboIndex;
@ -444,10 +397,8 @@ WindowCaptureCallback::WindowCaptureCallback(Mode mode, FramePosition position,
WindowCaptureCallback::ContextData* WindowCaptureCallback::createContextData(osg::GraphicsContext* gc) const WindowCaptureCallback::ContextData* WindowCaptureCallback::createContextData(osg::GraphicsContext* gc) const
{ {
std::stringstream filename;
filename << "screen_shot_"<<_contextDataMap.size();
WindowCaptureCallback::ContextData* cd = new WindowCaptureCallback::ContextData(gc, _mode, _readBuffer); WindowCaptureCallback::ContextData* cd = new WindowCaptureCallback::ContextData(gc, _mode, _readBuffer);
cd->_captureOperation = new WriteToFileCaptureOperation(filename.str(), "jpg", WriteToFileCaptureOperation::SEQUENTIAL_NUMBER); cd->_captureOperation = _defaultCaptureOperation;
return cd; return cd;
} }
@ -462,6 +413,8 @@ WindowCaptureCallback::ContextData* WindowCaptureCallback::getContextData(osg::G
void WindowCaptureCallback::setCaptureOperation(CaptureOperation* operation) void WindowCaptureCallback::setCaptureOperation(CaptureOperation* operation)
{ {
_defaultCaptureOperation = operation;
// Set the capture operation for each ContextData. // Set the capture operation for each ContextData.
for (ContextDataMap::iterator it = _contextDataMap.begin(); it != _contextDataMap.end(); ++it) for (ContextDataMap::iterator it = _contextDataMap.begin(); it != _contextDataMap.end(); ++it)
{ {
@ -486,14 +439,17 @@ void WindowCaptureCallback::operator () (osg::RenderInfo& renderInfo) const
renderInfo.getCurrentCamera()->setFinalDrawCallback(0); renderInfo.getCurrentCamera()->setFinalDrawCallback(0);
int prec = osg::notify(osg::INFO).precision(5); int prec = osg::notify(osg::INFO).precision(5);
osg::notify(osg::INFO)<<"Took a screenshot in " << (cd->_timeForFullCopy*1000.0f) << "ms" << std::endl; osg::notify(osg::INFO) << "ScreenCaptureHandler: "
<< "copy=" << (cd->_timeForFullCopy*1000.0f) << "ms, "
<< "operation=" << (cd->_timeForCaptureOperation*1000.0f) << "ms, "
<< "total=" << (cd->_timeForFullCopyAndOperation*1000.0f) << std::endl;
osg::notify(osg::INFO).precision(prec); osg::notify(osg::INFO).precision(prec);
cd->_timeForFullCopy = 0; cd->_timeForFullCopy = 0;
} }
ScreenCaptureHandler::ScreenCaptureHandler() ScreenCaptureHandler::ScreenCaptureHandler(CaptureOperation* defaultOperation)
: _keyEventTakeScreenShot('c'), : _keyEventTakeScreenShot('c'),
_callback(new WindowCaptureCallback( _callback(new WindowCaptureCallback(
WindowCaptureCallback::READ_PIXELS, WindowCaptureCallback::READ_PIXELS,
@ -502,6 +458,10 @@ ScreenCaptureHandler::ScreenCaptureHandler()
// WindowCaptureCallback::TRIPLE_PBO, // WindowCaptureCallback::TRIPLE_PBO,
WindowCaptureCallback::END_FRAME, GL_BACK)) WindowCaptureCallback::END_FRAME, GL_BACK))
{ {
if (defaultOperation)
setCaptureOperation(defaultOperation);
else
setCaptureOperation(new WriteToFileCaptureOperation("screen_shot", "jpg"));
} }
void ScreenCaptureHandler::addCallbackToViewer(osgViewer::ViewerBase& viewer) void ScreenCaptureHandler::addCallbackToViewer(osgViewer::ViewerBase& viewer)
@ -551,13 +511,13 @@ void ScreenCaptureHandler::addCallbackToViewer(osgViewer::ViewerBase& viewer)
if (firstCamera) if (firstCamera)
{ {
//osg::notify(osg::NOTICE)<<"First camera "<<firstCamera<<std::endl; //osg::notify(osg::NOTICE)<<"ScreenCaptureHandler: First camera "<<firstCamera<<std::endl;
firstCamera->setInitialDrawCallback(_callback.get()); firstCamera->setInitialDrawCallback(_callback.get());
} }
else else
{ {
osg::notify(osg::NOTICE)<<"No camera found"<<std::endl; osg::notify(osg::NOTICE)<<"ScreenCaptureHandler: No camera found"<<std::endl;
} }
} }
} }
@ -599,13 +559,13 @@ void ScreenCaptureHandler::addCallbackToViewer(osgViewer::ViewerBase& viewer)
if (lastCamera) if (lastCamera)
{ {
//osg::notify(osg::NOTICE)<<"Last camera "<<lastCamera<<std::endl; //osg::notify(osg::NOTICE)<<"ScreenCaptureHandler: Last camera "<<lastCamera<<std::endl;
lastCamera->setFinalDrawCallback(_callback.get()); lastCamera->setFinalDrawCallback(_callback.get());
} }
else else
{ {
osg::notify(osg::NOTICE)<<"No camera found"<<std::endl; osg::notify(osg::NOTICE)<<"ScreenCaptureHandler: No camera found"<<std::endl;
} }
} }
} }