crop overscan

set cut_paste_input [stack 0]
version 13.0 v5
push $cut_paste_input
Crop {
 box {{(root.width*overscan/100/2)*-1} {(root.height*overscan/100/2)*-1} {root.width+(root.width*overscan/100/2)} {root.height+(root.height*overscan/100/2)}}
 name Crop_Overscan
 selected true
 xpos -477
 ypos -287
 addUserKnob {20 Overscan_tab l Overscan}
 addUserKnob {7 overscan l "overscan %" R 0 50}
 overscan 10
}