SwscalePlugin.hpp

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#ifndef _TUTTLE_PLUGIN_SWSCALE_PLUGIN_HPP_
#define _TUTTLE_PLUGIN_SWSCALE_PLUGIN_HPP_

#include "SwscaleDefinitions.hpp"

#include <tuttle/plugin/ImageEffectGilPlugin.hpp>
#include <libav/LibAV.hpp>

namespace tuttle {
namespace plugin {
namespace swscale {

struct SwscaleProcessParams
{
        EParamFilter _filter;
        int _sws_filter;
};

/**
 * @brief Swscale plugin
 */
class SwscalePlugin : public ImageEffectGilPlugin
{
public:
        typedef float Scalar;
        typedef boost::gil::point2<double> Point2;

public:
        SwscalePlugin( OfxImageEffectHandle handle );

public:
        SwscaleProcessParams getProcessParams( const OfxPointD& renderScale = OFX::kNoRenderScale ) const;

        void updateVisibleTools();

        void changedParam          ( const OFX::InstanceChangedArgs &args, const std::string &paramName );

        bool getRegionOfDefinition ( const OFX::RegionOfDefinitionArguments& args, OfxRectD& rod );
//      void getRegionsOfInterest  ( const OFX::RegionsOfInterestArguments& args, OFX::RegionOfInterestSetter& rois );
        bool isIdentity            ( const OFX::RenderArguments& args, OFX::Clip*& identityClip, double& identityTime );

        void render                ( const OFX::RenderArguments &args );

private:
        bool isIdentity() const;
        
public:
        OFX::ChoiceParam*       _paramMode;

        OFX::ChoiceParam*       _paramFormat;

        OFX::Int2DParam*        _paramSize;
        OFX::IntParam*          _paramSizeWidth;
        OFX::IntParam*          _paramSizeHeight;
        OFX::BooleanParam*      _paramSizeKeepRatio;
        OFX::ChoiceParam*       _paramSizeOrientation;
        
        OFX::Double2DParam*     _paramScale;
        
        OFX::ChoiceParam*       _paramFilter;

};

}
}
}

#endif