void MGImage::DrawHexagon ( UChar_t *  buf, int  w, int  h, Float_t  x, Float_t  y, Float_t  r, UChar_t  col, Int_t  style = 1  )

static

Definition at line 324 of file MGImage.cc.

References DrawLine(), and i.

Referenced by DisableSyncMode(), and FilterLed::DrawHexagon().

{
    const Int_t np = 6;

    const Double_t dy[np+1] = { .5   , 0.    , -.5   , -.5   , 0.    ,  .5   , .5    };
    const Double_t dx[np+1] = { .2886,  .5772,  .2886, -.2886, -.5772, -.2886, .2886 };

    //
    //  calculate the positions of the pixel corners
    //
    Double_t x[np+1], y[np+1];
    for (Int_t i=0; i<np+1; i++)
    {
        x[i] = px + dx[i]*d;
        y[i] = py + dy[i]*d;
    }

    for (int i=0; i<6; i++)
        DrawLine(buf, w, h, x[i], y[i], x[i+1], y[i+1], col, style);
}

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