the sample image I posted is 1 bit per pixel,

D'oh! That explains a lot.

I downloaded the zip. Double clicked it, which gave me a 'view' inside it. I then double clicked the image, which loaded it into my default image viewer; I then saved it to disk from there. (As a 24bpp png!)

With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'
Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority". The enemy of (IT) success is complexity.
In the absence of evidence, opinion is indistinguishable from prejudice.

In reply to Re^9: Why this code is so slow if run in thread? by BrowserUk
in thread Why this code is so slow if run in thread? by vr

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