The images may be rotated to the left or right by 90 degrees or flipped vertically or horizontally.

Rotate to right	Ctrl+RightArrow
Rotate to left	Ctrl+LeftArrow
Right image rotate to right	Ctrl+Shift+RightArrow
Left image rotate to left	Ctrl+Shift+LeftArrow
Horizontal flip (Left)	Ctrl+UpArrow
Horizontal flip (Right)	Ctrl+DownArrow
Vertical flip (Left)	Ctrl+Alt+UpArrow
Vertical flip (Right)	Ctrl+Alt+DownArrow