Canvas Tools Crop
From PanelForge 8 Documentation
The Canvas 'Crop' Tool allows interactive adjustment of the Cavas size.
Press and drag the cursor on the corner and edge handles to resize the Canvas.
Press and drag the cursor in the Crop area to move the Canvas crop area.
Settings
Offset & Size
Specify the new 'Croppped' Canvas area using exact pixel values.
Delete Cropped Pixels
Discard pixels that lie outside the new Canvas crop area.