ASP.NET ImageResizer not resizing GIFs and PNGs -

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i had imageresizer set years in app , serving/resizing jpgs fine (i use presets) today wanted resize spacer.gif , did not anything. tried spacer.png , doesn't touch (no resize, image rendered @ 1x1 pixels).

what going on here?

as covered in basic usage, imageresizer not upscale default. need specify ?scale=both&width=200 upscale tiny images.

this unlikely have image format (namely gif/png).


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