TuttleOFX/libraries/tuttle/src/tuttle/plugin/interact/ParamPoint.hpp

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#ifndef _TUTTLE_PLUGIN_PARAMPOINT_HPP_
#define _TUTTLE_PLUGIN_PARAMPOINT_HPP_

#include "Frame.hpp"
#include "InteractInfos.hpp"
#include "InteractObject.hpp"
#include "PointInteract.hpp"
#include "interact.hpp"
#include <tuttle/plugin/ofxToGil/point.hpp>
#include <tuttle/plugin/numeric/coordinateSystem.hpp>

#include <ofxsParam.h>

namespace tuttle {
namespace plugin {
namespace interact {

template<class TFrame, ECoordinateSystem coord>
class ParamPoint : public PointInteract
{
public:
        ParamPoint( const InteractInfos& infos, OFX::Double2DParam* param, const TFrame& frame )
                : PointInteract( infos )
                , _param( *param )
                , _frame( frame )
        {}

        virtual ~ParamPoint() {}

protected:
        OFX::Double2DParam& _param;
        const TFrame _frame;

public:
        Point2 getPoint() const
        {
                if( _frame.isEnabled() )
                {
                        OfxRectD rod = _frame.getFrame( this->getTime() );
                        Point2 rodSize( rod.x2 - rod.x1, rod.y2 - rod.y1 );
                        Point2 p = pointConvertCoordinateSystem<coord, eCoordinateSystemXY>( ofxToGil( _param.getValue() ), rodSize );
                        p += Point2( rod.x1, rod.y1 );
                        return p;
                }
                return Point2( 0, 0 );
        }

        void setPoint( const Scalar x, const Scalar y )
        {
                if( _frame.isEnabled() )
                {
                        OfxRectD rod = _frame.getFrame( this->getTime() );
                        Point2 rodSize( rod.x2 - rod.x1, rod.y2 - rod.y1 );
                        Point2 p( x - rod.x1, y - rod.y1 );
                        p = pointConvertCoordinateSystem<eCoordinateSystemXY, coord>( p, rodSize );
                        _param.setValue( p.x, p.y );
                        return;
                }
                _param.setValue( 0, 0 );
        }

};

}
}
}

#endif