I wrote:
> Also, presumably this solution will threshold the grayscale image at 128
> (assuming an 8-bit grayscale), so you might want to apply a thresholding
> LookupOp to (a copy of) the original grayscale image before rendering it
> into the bitmap, if you need a different threshold.
No, when you draw a pixmap into a bitmap, it's dithered automatically;
there's no thresholding. So if you *did* want to have thresholding, you'd
need to do the LookupOp yourself..
> Question: will setting the KEY_DITHERING rendering hint make any
difference
> to the way pixmaps are drawn into bitmaps?
Answer: None whatsoever in 1.2.1; the result is always dithered (though not
with a nice error-diffusion algorithm, in Windows at least).
Cheers,
Pete
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