NUM	FORMAT	WIDTH	HEIGHT	PIXELS	SIZE	ALPHA	FILENAME
1	gif	16	16	256 	953 	-	test/ok/gif
2	jpeg	16	16	256 	354 	-	test/ok/jpg
3	jpeg	16	16	256 	  9k	-	test/ok/jpg_exif
4	png	16	16	256 	403 	X	test/ok/png
5	pnm	16	16	256 	269 	-	test/ok/pnm
6	png	16	16	256 	403 	X	test/ok/recursive/png
