Converting hex data to image
Shyam Parimal Katti
spk265 at nyu.edu
Thu Nov 14 17:22:58 EST 2013
Perfect. Thank you @Ben and @Tim
On Thu, Nov 14, 2013 at 4:29 PM, Ben Finney <ben+python at benfinney.id.au>wrote:
> Ben Finney <ben+python at benfinney.id.au> writes:
>
> > To turn a byte string into a file-like object for use with PIL, extract
> > the byte string as ‘image_data’, use the standard library ‘io.StringIO’
> > class <URL:http://docs.python.org/3/library/io.html#io.StringIO>, then
> > create a new ‘PIL.Image’ object by reading from that pseudo-file::
>
> My apologies, I showed the wrong usage. This should work::
>
> import io
>
> import PIL
>
> photo_data = # … get the byte string from wherever it is …
> photo_infile = io.StringIO(photo_data)
> photo_image = PIL.Image.open(photo_infile)
>
> That is, ‘PIL.Image.frombytes’ allows you to read the bytes from a byte
> string, but requires you to also specify metadata about the image data
> (format, pixel mode, size), whereas ‘PIL.Image.open’ reads the data from
> a file-like object and parses all the metadata. So you usually want to
> use the latter, as shown here.
>
> --
> \ “People's Front To Reunite Gondwanaland: Stop the Laurasian |
> `\ Separatist Movement!” —wiredog, http://kuro5hin.org/ |
> _o__) |
> Ben Finney
>
> --
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>
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