/**
* Compute only curve from selection data (averages,histograms buffer and selection buffer)
* @param clipSrc source of the plugin
* @param time current time
* @param renderScale current renderScale
*/
void OverlayData::computeCurveFromSelectionData( OFX::Clip* clipSrc, const OfxTime time, const OfxPointD& renderScale)
{
_isComputing = true;
resetCurvesFromSelectionData();
if( ! clipSrc->isConnected() )
{
_isComputing = false;
return;
}
boost::scoped_ptr<OFX::Image> src( clipSrc->fetchImage(_currentTime, clipSrc->getCanonicalRod(_currentTime)) ); //scoped pointer of current source clip
// Compatibility tests
if( !src.get() ) // source isn't accessible
{
_isComputing = false;
std::cout << "src is not accessible" << std::endl;
return;
}
if( src->getRowBytes() == 0 )//if source is wrong
{
BOOST_THROW_EXCEPTION( exception::WrongRowBytes() );
}
OfxRectI srcPixelRod = clipSrc->getPixelRod( _currentTime, renderScale ); //get current RoD
if( (clipSrc->getPixelDepth() != OFX::eBitDepthFloat) ||
(!clipSrc->getPixelComponents()) )
{
BOOST_THROW_EXCEPTION( exception::Unsupported() << exception::user() + "Can't compute histogram data with the actual input clip format." );
return;
}
if( srcPixelRod != src->getBounds() )
{
// the host does bad things !
// remove overlay... but do not crash.
TUTTLE_COUT_WARNING( "Image RoD and image bounds are not the same (rod=" << srcPixelRod << " , bounds:" << src->getBounds() << ")." );
return;
}
// Compute if source is OK
SView srcView = tuttle::plugin::getView<SView>( src.get(), srcPixelRod ); // get current view from source clip
OfxPointI imgSize;
imgSize.x = srcView.width();
imgSize.y = srcView.height();
if( isImageSizeModified( imgSize ) )
{
clearAll( imgSize );
}
//Compute histogram buffer
Pixel_compute_histograms funct( _imgBool,_curveFromSelection, true); //functor declaration
terry::algorithm::transform_pixels( srcView, funct ); //(USED functor reference)
this->correctHistogramBufferData(_curveFromSelection); //correct Histogram data to make up for discretization (average)
}
/*
* Copy RGB channels of the clip source into a buffer
*/
int CloudPointData::generateAllPointsVBOData(SView srcView)
{
//compute buffer size
int size = (int)(srcView.height()*srcView.width()); //return size : full image here
//copy full image into buffer
Pixel_copy funct( _imgCopy ); //functor declaration
//treatment
terry::algorithm::transform_pixels( srcView, funct ); //transform pixel did with functor reference
return size;
}
/*
* Copy discretization RGB channels of the clip source into a buffer
*/
int CloudPointData::generateDiscretizedVBOData(SView srcView, const int& discretizationStep )
{
//compute buffer size
int size = (int)(srcView.height()*srcView.width()); //return size : full image here
//Create and use functor to get discretize data (functor with template)
Pixel_copy_discretization<SPixel> funct(_imgCopy,discretizationStep); //functor declaration
terry::algorithm::transform_pixels( srcView, funct); //with functor reference
funct.convertSetDataToVectorData(); //copy functor data to _imgCopy data
size = _imgCopy.size(); //change size
return size;
}
/**
* Update selection areas buffer to selection histograms overlay
* @param args needed to have current time
*/
void OverlayData::computeHistogramBufferData( HistogramBufferData& data, SView& srcView, const OfxTime time, const bool isSelection)
{
data._step = _vNbStep; //prepare HistogramBuffer structure
BOOST_ASSERT( _imgBool.shape()[0] == _size.y );
BOOST_ASSERT( _imgBool.shape()[1] == _size.x );
BOOST_ASSERT( srcView.width() == _size.x );
BOOST_ASSERT( srcView.height() == _size.y );
Pixel_compute_histograms funct( _imgBool, data, isSelection ); //functor declaration
terry::algorithm::transform_pixels( srcView, funct ); //(USED functor reference)
//boost::gil::for_each_pixel(srcView, funct); (NOT USED)
this->correctHistogramBufferData(data); //correct Histogram data to make up for discretization (average)
}
/**
* Compute full data (averages,histograms buffer and selection buffer)
* @param clipSrc source of the plugin
* @param time current time
* @param renderScale current renderScale
*/
void OverlayData::computeFullData( OFX::Clip* clipSrc, const OfxTime time, const OfxPointD& renderScale, const bool selectionOnly )
{
_isComputing = true;
resetHistogramData();
resetHistogramSelectionData();
if( ! clipSrc->isConnected() )
{
_isComputing = false;
return;
}
//TUTTLE_TCOUT_INFOS;
//TUTTLE_TCOUT_VAR( "computeHistogramBufferData - fetchImage " << time );
boost::scoped_ptr<OFX::Image> src( clipSrc->fetchImage(time, clipSrc->getCanonicalRod(time)) ); //scoped pointer of current source clip
//TUTTLE_TCOUT_INFOS;
//TUTTLE_TCOUT_VAR( clipSrc->getPixelRod(time, renderScale) );
//TUTTLE_TCOUT_VAR( clipSrc->getCanonicalRod(time, renderScale) );
// Compatibility tests
if( !src.get() ) // source isn't accessible
{
_isComputing = false;
std::cout << "src is not accessible" << std::endl;
return;
}
// TUTTLE_TCOUT_VAR( src->getBounds() );
// TUTTLE_TCOUT_VAR( src->getRegionOfDefinition() );
if( src->getRowBytes() == 0 )//if source is wrong
{
BOOST_THROW_EXCEPTION( exception::WrongRowBytes() );
}
OfxRectI srcPixelRod = clipSrc->getPixelRod( time, renderScale ); //get current RoD
if( (clipSrc->getPixelDepth() != OFX::eBitDepthFloat) ||
(!clipSrc->getPixelComponents()) )
{
BOOST_THROW_EXCEPTION( exception::Unsupported() << exception::user() + "Can't compute histogram data with the actual input clip format." );
return;
}
// TUTTLE_TCOUT_INFOS;
// BOOST_ASSERT( srcPixelRod == src->getBounds() );
if( srcPixelRod != src->getBounds() )
{
// the host does bad things !
// remove overlay... but do not crash.
TUTTLE_COUT_WARNING( "Image RoD and image bounds are not the same (rod=" << srcPixelRod << " , bounds:" << src->getBounds() << ")." );
return;
}
// BOOST_ASSERT( srcPixelRod.x1 == src->getBounds().x1 );
// BOOST_ASSERT( srcPixelRod.y1 == src->getBounds().y1 );
// BOOST_ASSERT( srcPixelRod.x2 == src->getBounds().x2 );
// BOOST_ASSERT( srcPixelRod.y2 == src->getBounds().y2 );
// Compute if source is OK
SView srcView = tuttle::plugin::getView<SView>( src.get(), srcPixelRod ); // get current view from source clip
OfxPointI imgSize;
imgSize.x = srcView.width();
imgSize.y = srcView.height();
// TUTTLE_TCOUT_INFOS;
if( isImageSizeModified( imgSize ) )
{
//TUTTLE_TCOUT_INFOS;
clearAll( imgSize );
}
//TUTTLE_TCOUT_INFOS;
//Compute histogram buffer
this->computeHistogramBufferData( _data, srcView, time);
//TUTTLE_TCOUT_INFOS;
//Compute selection histogram buffer
this->computeHistogramBufferData( _selectionData, srcView, time, true );
//TUTTLE_TCOUT_INFOS;
//Compute averages
this->computeAverages();
_isComputing = false;
_currentTime = time;
//TUTTLE_TCOUT_INFOS;
}