Invalid pixels have transparency set to 100% yet they are not black. These pixels are inverting background color if used on cursors. They should not be present in normal images.
1005
Invert
1006
Invert color of each pixel (subtract its color from white).
1007
Invert colors
1008
Italic
1009
Item
1010
Items
1011
Iterations
1012
Iterations:
1013
JPEG Image
Obrázok JPEG
1014
JPEG XL Image
1015
JPEG XL image files
1016
JPEG image files
1017
JavaScript that will be executed. Refer to the manual (http://wiki.rw-designer.com/Operation_JScript) to learn about scripting.
1018
Julia set
1019
Keep original
1020
Key combination used to activating this operation (only valid if used in main menu).