ResizeProcess.tcc

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#include <tuttle/plugin/ofxToGil/rect.hpp>
#include <terry/sampler/resample_progress.hpp>
#include <terry/geometry/affine.hpp>

namespace tuttle {
namespace plugin {
namespace resize {

template<class View>
ResizeProcess<View>::ResizeProcess( ResizePlugin &effect )
: ImageGilFilterProcessor<View>( effect, eImageOrientationFromBottomToTop )
, _plugin( effect )
{
        this->setNoMultiThreading();
}

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

/**
 * @brief Function called by rendering thread each time a process must be done.
 * @param[in] procWindowRoW  Processing window
 */
template<class View>
void ResizeProcess<View>::multiThreadProcessImages( const OfxRectI& procWindow )
{
        using namespace terry;
        using namespace terry::sampler;

        const terry::Rect<std::ssize_t> procWin = ofxToGil(procWindow);

        const double src_width  = std::max<double>(this->_srcView.width () -1,1);
        const double src_height = std::max<double>(this->_srcView.height() -1,1);
        const double dst_width  = std::max<double>(this->_dstView.width () -1,1);
        const double dst_height = std::max<double>(this->_dstView.height() -1,1);

        //TUTTLE_LOG_INFO("\E[1;31mResize Position = " << -( _params._centerPoint.x - dst_width * 0.5) << "x" << -( _params._centerPoint.y - dst_height * 0.5) << "\E[0;0m");

        const EParamFilterOutOfImage outOfImageProcess = static_cast<EParamFilterOutOfImage>(_params._samplerProcessParams._outOfImageProcess);

        matrix3x2<double> mat;

#ifndef TUTTLE_PRODUCTION
        if( _params._changeCenter )
        {
                mat =   matrix3x2<double>::get_translate( -( _params._centerPoint.x - dst_width * 0.5) , -( _params._centerPoint.y - dst_height * 0.5) ) *
                        matrix3x2<double>::get_translate( - dst_width * 0.5, - dst_height * 0.5 ) *
                        matrix3x2<double>::get_scale    ( (src_width + 1) / (dst_width + 1 ), (src_height + 1) / (dst_height + 1) ) *
                        matrix3x2<double>::get_translate( src_width * 0.5 , src_height * 0.5 )
                        ;
        }
        else
#endif
        {
                mat =   matrix3x2<double>::get_translate( - dst_width * 0.5, - dst_height * 0.5 ) *
                        matrix3x2<double>::get_scale    ( (src_width + 1) / (dst_width + 1 ), (src_height + 1) / (dst_height + 1) ) *
                        matrix3x2<double>::get_translate( src_width * 0.5 , src_height * 0.5 )
                        ;
        }

        switch( _params._samplerProcessParams._filter )
        {
                case eParamFilterNearest        : resample_pixels_progress< ::terry::sampler::nearest_neighbor_sampler >( this->_srcView, this->_dstView, mat, procWin, outOfImageProcess, this->getOfxProgress() ); break;
                case eParamFilterBilinear       : resample_pixels_progress< ::terry::sampler::bilinear_sampler >( this->_srcView, this->_dstView, mat, procWin, outOfImageProcess, this->getOfxProgress() ); break;
                case eParamFilterBC :
                {
                        bc_sampler BCsampler( _params._samplerProcessParams._paramB, _params._samplerProcessParams._paramC );
                        resample_pixels_progress( this->_srcView, this->_dstView, mat, procWin, outOfImageProcess, this->getOfxProgress(), BCsampler );
                        break;
                }
                case eParamFilterBicubic  : resample_pixels_progress< bicubic_sampler   >( this->_srcView, this->_dstView, mat, procWin, outOfImageProcess, this->getOfxProgress() ); break;
                case eParamFilterCatrom   : resample_pixels_progress< catrom_sampler    >( this->_srcView, this->_dstView, mat, procWin, outOfImageProcess, this->getOfxProgress() ); break;
                case eParamFilterKeys     : resample_pixels_progress< keys_sampler      >( this->_srcView, this->_dstView, mat, procWin, outOfImageProcess, this->getOfxProgress() ); break;
                case eParamFilterSimon    : resample_pixels_progress< simon_sampler     >( this->_srcView, this->_dstView, mat, procWin, outOfImageProcess, this->getOfxProgress() ); break;
                case eParamFilterRifman   : resample_pixels_progress< rifman_sampler    >( this->_srcView, this->_dstView, mat, procWin, outOfImageProcess, this->getOfxProgress() ); break;
                case eParamFilterMitchell : resample_pixels_progress< mitchell_sampler  >( this->_srcView, this->_dstView, mat, procWin, outOfImageProcess, this->getOfxProgress() ); break;
                case eParamFilterParzen   : resample_pixels_progress< parzen_sampler    >( this->_srcView, this->_dstView, mat, procWin, outOfImageProcess, this->getOfxProgress() ); break;
                case eParamFilterGaussian :
                {
                        gaussian_sampler gaussianSampler ( _params._samplerProcessParams._filterSize, _params._samplerProcessParams._filterSigma );
                        resample_pixels_progress( this->_srcView, this->_dstView, mat, procWin, outOfImageProcess, this->getOfxProgress(), gaussianSampler );
                        break;
                }
                case eParamFilterLanczos  :
                {
                        lanczos_sampler lanczosSampler ( _params._samplerProcessParams._filterSize, _params._samplerProcessParams._filterSharpen );
                        resample_pixels_progress( this->_srcView, this->_dstView, mat, procWin, outOfImageProcess, this->getOfxProgress(), lanczosSampler );
                        break;
                }
                case eParamFilterLanczos3       : resample_pixels_progress< lanczos3_sampler            >( this->_srcView, this->_dstView, mat, procWin, outOfImageProcess, this->getOfxProgress()      ); break;
                case eParamFilterLanczos4       : resample_pixels_progress< lanczos4_sampler            >( this->_srcView, this->_dstView, mat, procWin, outOfImageProcess, this->getOfxProgress()      ); break;
                case eParamFilterLanczos6       : resample_pixels_progress< lanczos6_sampler            >( this->_srcView, this->_dstView, mat, procWin, outOfImageProcess, this->getOfxProgress()      ); break;
                case eParamFilterLanczos12      : resample_pixels_progress< lanczos12_sampler           >( this->_srcView, this->_dstView, mat, procWin, outOfImageProcess, this->getOfxProgress()      ); break;
        }
}

}
}
}