Predicting Thumbnail Sizes from PIL
crosseyedpenguin at cox.net
Sun Sep 11 15:05:09 CEST 2005
I need to calculate the thumbnail sizes PILL will produce from an image.
In most cases I can divide and round by adding .5, but PIL seems to
round differently on odd sized images.
For example, I want to reduce an 800x816 image to have a maximum size of
697. (697/816) * 800 = 683.33, so my rounding results in 683. But PIL
produces an image of 684x697.
Is there an easy rule that will always work -- like adding .67 instead
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