## S3 method for class 'default}(filename, width=480, height=480, res=144, type="jpeg", ...)':
jpeg2undefined
- filename{The name of the file to be produced.}
- width, height{The width and height (in pixels) of the result image.}
- res{The resolution of the image.}
- type{The output type. See
dev2bitmap for details.}
 - ...{Additional arguments passed to
bitmap().}Returns nothing. 
[object Object]
device