colormap-randomize!
Synopsis
(colormap-randomize! colormap)
Parameters
- colormap
Description
Side Effects
Each pixel of the supplied colormap is replaced by a random value.
Return Value
The resulting colormap is returned.
Example
> (define c (colormap-create 1024 768))
c
> (colormap-randomize! c)
#<colormap orow:-1 ocol:-1 xres:-1 yres:-1 w:1024 h:768>
> (colormap-writepng c "colormap-randomize.png")
ok
>
The resulting colormap displays as follows:
