import ch.psi.pshell.imaging.RendererMode as RendererMode
TIMEOUT = 20000

#center_x=1044
#center_y=1019
#diameter_cover=1800
#rotation_degrees=0.0
#scale_x=0.3
#scale_y=0.3


renderer = show_panel(img)
w = SwingUtils.getWindow(renderer)

try:
    renderer.setMode(RendererMode.Fit)
    renderer.clearOverlays()
    w.setSize(800,800)
    w.setLocationRelativeTo(App.getInstance().getMainFrame())
    
    
    overlay = Overlays.Text(renderer.getPenErrorText(), "", Font("Verdana", Font.PLAIN, 24), Point(20, 20))
    overlay.setFixed(True)
    overlay.setAnchor(Overlay.ANCHOR_VIEWPORT_TOP_LEFT)
    renderer.addOverlay(overlay)
    
    overlay.update("Click on the upper marker...")
    upper = renderer.waitClick(TIMEOUT)
    overlay.update("Click on the bottom marker...")
    bottom = renderer.waitClick(TIMEOUT)
    overlay.update("Click on the left marker...")
    left = renderer.waitClick(TIMEOUT)
    overlay.update("Click on the right marker...")
    right = renderer.waitClick(TIMEOUT)
    
    
    center_x = int((upper.x+ bottom.x)/2)
    center_y = int((left.y + right.y)/2)
    diam_x = abs (left.x - right.x)
    diam_y = abs (upper.y - bottom.y)
    diameter_cover = int (diam_x + diam_y)/2
    
    cover_detection.config.center_x = center_x
    cover_detection.config.center_y = center_y
    cover_detection.config.diameter_cover = diameter_cover
    
    scale_x = COVER_SIZE_MM / diam_x
    scale_y = COVER_SIZE_MM / diam_y
    #r = math.atan(-float(right.y-center_y) / (right.x - center_x))
    #rotation_degrees = math.degrees(r)
    rotation_degrees = 0.0 #Rotating image instead
    
    cover_detection.config.scale_x = scale_x
    cover_detection.config.scale_y = scale_y
    cover_detection.config.rotation_degrees = rotation_degrees
    cover_detection.config.save()
    
    show_message("Success calibrating the camera")
finally:
    w.dispose()