Function: colcur( )

Syntax

colcur ({<cursor> {,<crosshair>}})

Type

numeric

Returns

The color components of a point pixel in graphic window read via an interactive mouse operation. 3 values are returned, red, green and blue, all in the range 0 through 100.

Parameters

<cursor>
The cursor to use during the mouse operation. If omitted or null, the "Maltese cross" cursor is used, unless crosshair is specified in which case only the large crosshairs are used.
<crosshair>
A boolean value indicating whether the large crosshairs are to be used. The default value is 0.

Examples

Use the default cursor.

numeric rgb[3] = colcur

Use a "hand" cursor.

numeric rgb[] = colcur(hand)

Use the large crosshairs.

numeric rgb[] = colcur(null,1)