FILE METADATA

size	name	type
4	"DVF "	char[4]
1	Major version	ubyte
1	Minor version	ubyte

###FILE HEADER

size	name	type
2	Layer count	ushort
2	Resolution X	ushort
2	Resolution Y	ushort

LAYER HEADER

size	name	type
2	ID	ushort
256	Name	char[256]
1	Component count	ubyte
1	Component type	ubyte
2	Position X	short
2	Position Y	short
2	Width	ushort
2	Height	ushort
2	Mask ID	ushort

LAYER

size	name	type
8	Size of data( in bytes )	ulong
Size of data	data	Component type