NUM	FORMAT	WIDTH	HEIGHT	PIXELS	SIZE(bytes)	ALPHA	FILENAME
1	pnm	16	16	256	269		-	test/ok/pnm
2	png	16	16	256	403		X	test/ok/png
3	jpeg	16	16	256	354		-	test/ok/jpg
4	gif	16	16	256	953		-	test/ok/gif