Image Editor Flip feature

Must have feature for blender’s image editor is missing!
We need Flip X Y feature.
Please! Add it!
Who agree put a sign like


Design task for UV/Image Editor is talking about addition of gizmos to manipulate view.
They are not there, yet.

The ones seen on design pictures are related to panning and zooming.
So, I added to comment to suggest addition of one or several gizmos to flip and rotate canvas.