getcolor opens a dialog to show colors of the current or default colormap

## Syntax

                c = getcolor()
                c = getcolor(title)
                c = getcolor(title, cini)

## Arguments

title

  string, dialog title.

cini

  initial selected color index. Default value is 1.

c

  index of the selected color, or [] if the selection is canceled.

## Description

`getcolor` opens a window displaying the palette of the current colormap, or of the default one if no graphical figure exists. The user can click on a color to show its index and its RGB values in the bottom bar. `getcolor` returns the index of the selected color, or [] if the "Cancel" button has been clicked or the window has been closed.

## Examples

    c = getcolor();

    c = getcolor("Title foo", color("red")); // preselects the red

    c = getcolor("Please choose a color");

    --> c = getcolor("Please choose a color")
     c  =
       28.

## See also

- uigetcolor
- color_list
- color
- colormap