Several tools are provided to manipulate the orientation of images.
This flips the image horizontally. The left and right sides are swapped.
This flips the image vertically. The top and bottom are swapped.
This rotates the image clockwise.
This rotates the image counter-clockwise.
The rotations offered in the edit mode act on the image in memory.
They are not direct file operations. For jpeg images, these means they
are not lossless operations - the image will degrade slightly when it
it is re-encoded and saved. However,