-color s_color

Specifies the color for the rectangle as a character string (such as blue) or in the hexadecimal representation of the color preceded by a pound sign (#). A list of colors and their hexadecimal equivalents can be found on http://eies.njit.edu/~walsh/rgb.html.

-fillColor s_color

Specifies the color for the interior of the rectangle as a character string (such as blue) or in the hexadecimal representation of the color preceded by a pound sign (#).

Default: No fill

-lineWidth i_pixel

Specifies the width (in pixels) of the line.

Default: 1

-opacity i_opacity

Specifies the opacity for rectangle fill. Valid values are 0 (transparent) through 255 (opaque). If -fillColor is not given, the -color setting is used for the fill.

Default: 255 (opaque) when -fillColor is given.

-rect {f_xlo f_ylo f_xhi f_yhi}

Specifies the bounding box coordinates for the rectangle.

-text s_text

Specifies text to fit in the rectangle. If this argument is given, -fillColor and -opacity are ignored.

Default: No text is included.