1、Maximize: Zoom the picture to the maximum.
   2、Zoom in to the design area: zoom the target to the visual range of the canvas.

   3、Lateral maximization: The target is enlarged horizontally.
   4、Height maximization: The target is enlarged vertically.
   5、Horizontal mirroring: The target is flipped horizontally.
   6、Vertical mirroring: The target is flipped vertically.
   7、Center horizontally: The target canvas base should be centered horizontally.
   8、The overall center: The target is based on the canvas, with the canvas center as the vertical and horizontal center.
   9、Rotate 45 degrees clockwise: Click the target button to rotate 45 degrees clockwise.
   10、Copy: After selecting the target, click the button to copy the currently selected target on the canvas.
   11、Zoom in: Zoom in on the target alone.
   12、Reduce: Reduce the target on a single machine.
   13、Move forward one layer: After selecting the target, click the button alone. The target is moved forward one layer on the canvas.
   14、Shift back one layer: Click the target, the button alone. The target is moved backward one layer on the canvas.