colormap-hmirror!
Synopsis
(colormap-hmirror! colormap)
Parameters
- colormap
Description
This procedure mirrors the colormap destructively and horizontally thus exchanging right and left like a RL-mirror.
Side Effects
The colormap is modified.
Return Value
The mirrored colormap is returned.
Example
> (define image (colormap-readjpg "horses.jpg"))
image
> (colormap-writejpg (colormap-hmirror! image) "horses-hmirrored.jpg")
ok
>
The input image displays as follows (horses.jpg, JPG, 2400x1600):
The horizontally mirrored image looks like this:
