The Transform submenu of the Layer menu contains commands which flip or rotate the selected layers of the image.
You can access this submenu from the main menu through Layer → Transform.
The Transform submenu contains the following commands:
第 7.46 节 “Flip Horizontally”
第 7.47 节 “Flip Vertically”
第 7.48 节 “Rotate 90° clockwise”
第 7.49 节 “Rotate 90° counter-clockwise”
第 7.50 节 “Rotate 180°”
第 7.51 节 “Arbitrary Rotation”
第 7.52 节 “Offset”
