ColorCubeViewerOverlay.hpp

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#ifndef _TUTTLE_PLUGIN_COLOR_CUBE_VIEWER_OVERLAY_HPP
#define _TUTTLE_PLUGIN_COLOR_CUBE_VIEWER_OVERLAY_HPP

#include "ColorCubeViewerPlugin.hpp"
#include "SelectionAverage.hpp"
#include "GeodesicForm.hpp"
#include "MatrixManipulation.hpp"

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

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

namespace tuttle {
namespace plugin {
namespace colorCubeViewer {
        
class ColorCubeViewerOverlay:public OFX::OverlayInteract
{
public:
        /*Class arguments*/
        ColorCubeViewerPlugin* _plugin;                         //plugin reference
        interact::InteractInfos _infos;                         
        
        OfxPointI _origin;                                                      //origin (point of pen down)
        OfxPointI _end;                                                         //end (point of pen up)
        
        bool _isPenDown;                                                        //mouse management (is mouse clicked)
        bool _isCtrlKeyDown;                                            //keyboard management (s Ctrl key pressed)
        
        double _rotateX;                                                        //rotation on X axis (mouse)
        double _rotateY;                                                        //rotation on Y axis (mouse)
        double _rotateXForm;                                            //rotation on X (center is geodesic form)
        double _rotateYForm;                                            //rotation on Y (center is geodesic form)
        
        Matrix4 _modelViewMatrix;                                       //Model matrix used to do transformations
        
public:
        /*Constructor/Destructor*/
        ColorCubeViewerOverlay(OfxInteractHandle handle,OFX::ImageEffect* effect);
        virtual ~ColorCubeViewerOverlay();
        
        
        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 

private:        
        /*OpenGL scene*/
        void prepareOpenGLScene(const OFX::DrawArgs& args);                                                     //prepare the frustrum and projection settings and initialize first VBO
        void drawAxes();                                                                                                                        //draw X, Y and Z axes on screen
        void updateModelView(const Ofx3DPointD& rotationCenter);                                        //update modelView with (by adding a new transformation)
        void drawWarning(const Ofx3DPointD& centerPoint, const double ratio);           //draw a warning sign on the openGL scene
        
        /*Get overlay data*/
        CloudPointData& getData();
};

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

}
}
}

#endif