HistogramOverlay.hpp

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#ifndef _TUTTLE_PLUGIN_HISTOGRAMOVERLAY_HPP_
#define _TUTTLE_PLUGIN_HISTOGRAMOVERLAY_HPP_

#include "HistogramPlugin.hpp"
#include "RGBOverlay.hpp"
#include "HSLOverlay.hpp"

#include <tuttle/plugin/global.hpp>
#include <tuttle/plugin/interact/interact.hpp>
#include <tuttle/plugin/interact/InteractInfos.hpp>
#include <tuttle/plugin/ImageEffectGilPlugin.hpp>

#include <ofxsImageEffect.h>
#include <ofxsInteract.h>

namespace tuttle {
namespace plugin {
namespace histogram {

class HistogramOverlay : public OFX::OverlayInteract
{
        typedef double Scalar;
        typedef OfxRGBColourF Color;
        
public: 
        /*Class arguments*/
        HistogramPlugin* _plugin;                       //plugin reference
        interact::InteractInfos _infos;                         
        
        bool _penDown;                                                  //is mouse under selection
        bool _keyDown;                                                  //is key under selection
        OfxPointI _origin;                                              //begin of the current selection
        OfxPointI _end;                                                 //end of the current selection
        OfxPointI _squareBegin;                                 //begin of square selection
        OfxPointI _squareEnd;                                   //end of square selection                       
        
        bool _isFirstTime;                                              //temporary
        
        /* temporary when Nuke doesn't support parametric parameter overlay */
        HSLOverlay _hslParam;
        RGBOverlay _rgbParam;

        /*Creator*/
        HistogramOverlay( OfxInteractHandle handle, OFX::ImageEffect* effect );
        ~HistogramOverlay();
        
        bool draw( const OFX::DrawArgs& args ); //draw all of the component (main display)
        
        /*Mouse management*/
        bool penDown( const OFX::PenArgs& args );       //mouse/pen is clicking down
        bool penUp( const OFX::PenArgs& args );         //mouse/pen is releasing
        bool penMotion( const OFX::PenArgs& args );     //mouse/pen is under motion
        
        /*Keyboard management*/
        bool keyDown( const OFX::KeyArgs& args );       //Ctrl key is pressing down
        bool keyUp( const OFX::KeyArgs& args );         //Ctrl key is releasing 
        
        /*Selection help (display)*/
        void displaySelectedAreas( const OfxPointI& fullImgSize, const OfxPointI& imgSize, const OfxRectI& pixelRoD);   //display the selected areas (texture)
        void displaySelectionZone();    //display the current selection zone (white square)
        
        /*Get overlay data*/
        OverlayData& getOverlayData();
private:
        void drawWarning(const Ofx3DPointD& centerPoint, const double ratio);           //draw a warning signal
};

class RGBParamOverlayDescriptor : public OFX::ParamInteractDescriptor
{
public:
        OFX::Interact* createInstance( OfxInteractHandle handle, OFX::ImageEffect* effect )
        {
                //return new RGBOverlay( handle, effect ); (when Nuke overlay works)
                return NULL; //temporary
        }
};

class HSLParamOverlayDescriptor : public OFX::ParamInteractDescriptor
{
public:
        OFX::Interact* createInstance( OfxInteractHandle handle, OFX::ImageEffect* effect )
        {
                //return new HSLOverlay( handle, effect ); (when Nuke overlay works)
                return NULL; //temporary
        }
};

class HistogramOverlayDescriptor : public OFX::EffectOverlayDescriptor
{
public:
        OFX::Interact* createInstance( OfxInteractHandle handle, OFX::ImageEffect* effect )
        {
                return new HistogramOverlay( handle, effect );
        }
};

}
}
}

#endif