[PYTHON IMAGE-SIG] Selective reads with PIL

Joel Shprentz shprentz@bdm.com
Thu, 11 Jul 1996 21:29:44 -0400

>> Similar problems arise with other multi-resolution formats and with
>> formats that encode multiple images in one file.
>To handle multiple resolutions, the next release (0.2, early August)
>includes "draft" and "thumbnail" methods that can be used to speed up
>decoding where possible.  This currently includes JPEG (1/2, 1/4, 1/8)
>and PCD (192x128 and 256x384).
>To handle multiple images, seek() and tell() methods will be
>implemented (e.g. TIFF, animated GIF).

I recommend that the draft() and thumbnail() methods be augmented with a
method the reports the resolutions available and another method that
selects one of these resolutions.  This would parallel your tell() and
seek() methods for handling multiple images.
Joel Shprentz              (202) 863-3487
BDM Federal, Inc.          shprentz@bdm.com
1501 BDM Way
McLean, VA 22102

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