BitDepthProcess.tcc

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#include "BitDepthPlugin.hpp"
#include "BitDepthDefinitions.hpp"

#include <terry/globals.hpp>
#include <tuttle/plugin/exceptions.hpp>


namespace tuttle {
namespace plugin {
namespace bitDepth {

template<class SView, class DView>
BitDepthProcess<SView, DView>::BitDepthProcess( BitDepthPlugin& instance )
        : ImageGilProcessor<DView>( instance, eImageOrientationIndependant )
        , _plugin( instance )
{
        _clipSrc = _plugin.fetchClip( kOfxImageEffectSimpleSourceClipName );
}

template<class SView, class DView>
void BitDepthProcess<SView, DView>::setup( const OFX::RenderArguments& args )
{
        ImageGilProcessor<DView>::setup( args );

        // source view
        _src.reset( _clipSrc->fetchImage( args.time ) );
        if( ! _src.get() )
                BOOST_THROW_EXCEPTION( exception::ImageNotReady() );
        if( _src->getRowDistanceBytes() == 0 )
                BOOST_THROW_EXCEPTION( exception::WrongRowBytes() );
        _srcView = ImageGilProcessor<DView>::template getCustomView<SView>( _src.get(), _clipSrc->getPixelRod( args.time ) );
        
        if( OFX::getImageEffectHostDescription()->hostName == "uk.co.thefoundry.nuke" )
        {
                // bug in nuke, getRegionOfDefinition() on OFX::Image returns bounds
                _srcPixelRod   = _clipSrc->getPixelRod( args.time, args.renderScale );
        }
        else
        {
                _srcPixelRod = _src->getRegionOfDefinition();
        }
}

/**
 * @brief Function called by rendering thread each time a process must be done.
 * @param[in] procWindowRoW  Processing window in RoW
 */
template<class SView, class DView>
void BitDepthProcess<SView, DView>::multiThreadProcessImages( const OfxRectI& procWindowRoW )
{
        using namespace boost::gil;
        OfxRectI procWindowOutput = this->translateRoWToOutputClipCoordinates( procWindowRoW );
        OfxPointI procWindowSize  = {
                procWindowRoW.x2 - procWindowRoW.x1,
                procWindowRoW.y2 - procWindowRoW.y1
        };

        SView src = subimage_view( this->_srcView, procWindowOutput.x1, procWindowOutput.y1,
                                   procWindowSize.x,
                                   procWindowSize.y );
        DView dst = subimage_view( this->_dstView, procWindowOutput.x1, procWindowOutput.y1,
                                   procWindowSize.x,
                                   procWindowSize.y );

        copy_and_convert_pixels( src, dst );
}

}
}
}