In full screen, click on edit icon
in Control Bar, select Rotate in the popup menu. A
"Rotate" dialog will show up. You can rotate the image in any angle with a small preview window. Press and hold down
"Hold down to preview" button will show you the result in the original image. You can click ¡°OK¡± or ¡°Cancel¡± to finalize the process.
Please note that, track bars that are used to change parameters are Mouse Wheel
Support.