OptionalfillOptionaloutImage to which the resulting image has to be put.
OptionalstrokeCircle border color - An array of numerical values, one for each channel of the image. If less values are defined than there are channels in the image, the remaining channels will be set to 0.
Circle fill color - An array of numerical values, one for each channel of the image. If less values are defined than there are channels in the image, the remaining channels will be set to 0.