You can see a toolbox-like icon at the top. Click it to display the toolbar.

1: a tool for selecting a specific shape area of a picture.

2. Magic wand (equivalent to the magic wand in photoshop)

3, 4: Graffiti pen

5. 10, 1 1, 12: 5 Insert a graph, 10 Insert a line,1/set the border (line) color,1.

6. 12: 6 Insert text, 12 set font, font size, font color, etc.

7: Create a signature (the old preview version may not have it, this is the function of the new version)

8: Adjust the color

9: Set the picture size

The functions of 1, 2, 7 and 8 will be introduced in detail below.