Writes text directly to the root-window (the desktop).
The horizontal position of the top left of the text area (in pixels).
The vertical position of the top left of the text area (in pixels).
The horizontal size of the text area (in pixels).
The vertical size of the plotting area (in pixels).
The colour to draw the text in.
The font to display the text with.
Draw a background colour behind the text. Note that the background is only behind the text not the whole area allocated to text.
Colour to draw behind the text. This only applies if the background_colour option is turned on.