Re: Should ReadGIFImage() call DecodeImage() when pinged?

> should call DecodeImage() when an image is pinged

You could skip this call if you knew the GIF only contained
one image but
it is required for multi-frame GIF images to assist in
skipping to the next
frame in the image.  Its still light-weight because the
pixels are being
streamed which consumes the image width resources rather
than placing
the pixel in the pixel cache which consumes the image area
in resources.
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