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ViewListenerCircles.h

Go to the documentation of this file.

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// Author: Richard van Balen
#ifndef Impala_Application_TagsLife_ViewListenerCircles_h
#define Impala_Application_TagsLife_ViewListenerCircles_h

#include "OglGui/View.h"

namespace Impala {
namespace Application {
namespace TagsLife {

class ViewListenerCircles : public OglGui::ViewListener
{
public:
    ViewListenerCircles()
    {
        mColor = oglRED;
    }

    struct CircleInfo {
        CircleInfo(int cX, int cY, int cR)
        {
            x = cX; y = cY; r = cR;
        }
        int x;
        int y;
        int r;
    };

    void Color(ULONG col)
    {
        mColor = col;
    }

    void AddCircle(int x, int y, int r)
    {
        CircleInfo c(x,y,r);
        mCircles.push_back(c);
    }

    void Clear()
    {
        mCircles.clear();
    }

    virtual void
    OnDrawView(OglGui::View* view)
    {
        OGLIMAGE* oglIm = view->GetOGLIMAGE();
        if (!oglIm)
            return;

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

        viewSys.View2DImageTransform(view->GetOGLVIEW2D());
        SetSolidLineColor(mColor);
        SetLineWidth(1);
        for (int i=0; i<mCircles.size(); i++)
            DrawCircle(mCircles[i].x, mCircles[i].y, mCircles[i].r);

        glPopMatrix();
        OGCRestore(&ogc);
    }

private:
    std::vector<CircleInfo> mCircles;
    ULONG                   mColor;
};

} // namespace TagsLife
} // namespace Application
} // namespace Impala

#endif

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