HistogramKeyerProcess.tcc

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#include "HistogramKeyerAlgorithm.hpp"

#include <terry/algorithm/transform_pixels_progress.hpp>

namespace tuttle {
namespace plugin {
namespace histogramKeyer {

template<class View>
HistogramKeyerProcess<View>::HistogramKeyerProcess( HistogramKeyerPlugin& effect )
: ImageGilFilterProcessor<View>( effect, eImageOrientationIndependant )
, _plugin( effect )
{
}

template<class View>
void HistogramKeyerProcess<View>::setup( const OFX::RenderArguments& args )
{
        ImageGilFilterProcessor<View>::setup( args );
        _params = _plugin.getProcessParams( args.time, args.renderScale );

}

/**
 * @brief Function called by rendering thread each time a process must be done.
 * @param[in] procWindowRoW  Processing window
 */
template<class View>
void HistogramKeyerProcess<View>::multiThreadProcessImages( const OfxRectI& procWindowRoW )
{
        // this->_renderArgs.time
    OfxRectI procWindowOutput = this->translateRoWToOutputClipCoordinates( procWindowRoW );
        const OfxRectI procWindowSrc = translateRegion( procWindowRoW, this->_srcPixelRod );
        
        OfxPointI procWindowSize = { procWindowRoW.x2 - procWindowRoW.x1,
                                                             procWindowRoW.y2 - procWindowRoW.y1 };
        View src = subimage_view( this->_srcView, procWindowSrc.x1, procWindowSrc.y1,
                                                                          procWindowSize.x, procWindowSize.y );
        View dst = subimage_view( this->_dstView, procWindowOutput.x1, procWindowOutput.y1,
                                                                          procWindowSize.x, procWindowSize.y );
        
    //Create and initialize functor 
        Compute_alpha_pixel funct;
    funct._params = _params;
        funct._isOutputBW = (_params._paramOutputSetting->getValue() == 1); // is output black and white (or alpha channel)
        //this function is chose because of functor reference and not copy
    terry::algorithm::transform_pixels_progress(src,dst,funct,*this);
}

}
}
}