Re: [pointerevents] Consider adding API to get predicted points

This appears to be extremely important for painting applications.

 a comparison of OneNote (which uses Windows' predicted points API) 
and Edge, which doesn't expose predicted points.

Sorry for the terrible resolution video.

Based on some rough frame counting, OneNote has an effective 
end-to-end latency of 2 frames, whereas Edge has an effective 
end-to-end latency of about 4 frames.

Much of this is due to OneNote using predicted points.

After each of the short strokes at the beginning of the video, you can
 see the error prediction introduces, as OneNote draws the stroke a 
bit too long, and then shortens it soon after. Edge doesn't have this 
error, but has much more latency when drawing long lines.

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Received on Wednesday, 23 March 2016 15:59:06 UTC