You can select the trimming area with drag & drop.
Trimming:
Rectangle
Square
Circle
Draw
Trimming
whole:
32dots
64dots
picture/whole:
24/32
26/32
28/32
30/32
32/32
background:
🟨
🟩
⬜
🟥
🟦
🟪
🟧
Frame:
🟨
🟩
⬜
🟥
🟦
🟪
🟧
Redraw