int minX = (int)readSBits( bitSize ); int maxX = (int)readSBits( bitSize ); int minY = (int)readSBits( bitSize ); int maxY = (int)readSBits( bitSize );
int minX = readSBits( bitSize ); int maxX = readSBits( bitSize ); int minY = readSBits( bitSize ); int maxY = readSBits( bitSize );
	private boolean checkSwf() throws IOException {		//get rid of the last byte of the signature, the byte of the version and 4 bytes of the size		byte[] a = new byte[6];		if (read(a) != a.length) {			return false;		}		format = FORMAT_SWF;		int bitSize = (int)readUBits( 5 );		int minX = (int)readSBits( bitSize );		int maxX = (int)readSBits( bitSize );		int minY = (int)readSBits( bitSize );		int maxY = (int)readSBits( bitSize );		width = maxX/20; //cause we're in twips		height = maxY/20;  //cause we're in twips		setPhysicalWidthDpi(72);		setPhysicalHeightDpi(72);		return (width > 0 && height > 0);	}