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ViewListenerWithCircles.h

Go to the documentation of this file.

#ifndef Impala_Visualization_ViewListenerWithCircles_h
#define Impala_Visualization_ViewListenerWithCircles_h

#include "Visualization/View.h"
#include "Core/Geometry/PointZList.h"

namespace Impala
{
namespace Visualization
{


class ViewListenerWithCircles : public OglGui::ViewListener
{
public:

    // elements in list denote centre of circles, in image coordinates
    // so view should contain an image!
    ViewListenerWithCircles(Core::Geometry::PointZList* pList, int radius,
                            ULONG color = oglRED, bool fill = true)
    {
        mPList = pList;
        mRadius = radius;
        mColor = color;
        mFill = fill;
    }

    virtual void
    OnDrawView(OglGui::View* view)
    {
        if (mPList->size() == 0)
            return;

        OGLIMAGE* oglIm = view->GetOGLIMAGE();
        if (!oglIm)
            return;

        OGC ogc;
        OGCSave(&ogc);
        glPushMatrix();

        viewSys.View2DImageTransform(view->GetOGLVIEW2D());
        if (mFill)
            SetSolidFillColor(mColor);
        else
            SetSolidLineColor(mColor);
        SetLineWidth(1);
        for (Core::Geometry::PointZListCI p=mPList->begin() ; p!=mPList->end() ; p++)
        {
            if (mFill)
                FillCircle(p->mX, oglIm->h - p->mY, mRadius);
            else
                DrawCircle(p->mX, oglIm->h - p->mY, mRadius);
        }
        glPopMatrix();
        OGCRestore(&ogc);
    }

private:

    Core::Geometry::PointZList* mPList;
    int                         mRadius;
    ULONG                       mColor;
    bool                        mFill;

};

} // namespace Visualization
} // namespace Impala

#endif

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