reference / pictures
crop
A new picture of the part of a picture inside a box, in pixels from its top left: crop photo at 10 20 size 100 80. The part outside the picture is left out.
photo = load "landscape.png"image photo at 10 10 width 180part = crop photo at 80 20 size 70 70image part at 210 10 width 170
How to write it
crop picture at number number size number number
Gives a picture.