Heliodor:
---------
input: 		5/24/5/5	(left/top/right/bottom)
max_input: 	0/24/0/1

min_width:	81
min_height:	0

calculated from quads:
left:		-7
top:		-31
right:		90
bottom:		10
->resulting output extents: 7/31/9/10

Emerald:
-------
input: 		6/26/6/6
max_input: 	0/26/0/0

min_width:	0
min_height:	0

left:		0
top:		-26
right:		0
bottom:		0
-> resulting output: 0/26/0/0 (smaller than input!)