Edit Menu For Image Editor
Undo
Cancel the previous operation.
Redo
Reassert the previous canceled operation.
Cut
Put the selected area in clipboard and fill the selected area with background color.
Copy
Put the selected area in clipboard. The selected area will not be changed.
Paste
Replace the selected area with clipboard content or just insert the clipboard content when no area is selected.
Fill
Fill the selected area with foreground color. When no area is selected, the whole image will be filled.
Clear
Fill the selected area with background color. When no area is selected, the whole image will be filled.
Select All
Select the whole image.