Zoom centered on mouse position about ivy HOT 6 CLOSED

+1 to this, big time.

On a mac, I'd actually want to pan around with vert and horizontal mouse wheel (actually a 2-finger drag) and handle zoom with a pinch gesture, but that's something I could hack in later.

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Another note: canvas% does have on-event that will trigger when there's mouse activity.

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So how accurate is this supposed to be? With the default zoom level and window size, the following image gives difficult-to-predict results. For instance, load image, place pointer on his thumb tip, and zoom in and out. You'll see it's a lot better than it was before; it's centered on the right general vicinity, but it doesn't stay centered on the place you're pointing at.

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I see what you mean. I think it's because the image is small enough to still be considered centered for a few clicks of the wheel before the horizontal scrollbar is enabled. That being said, the same behavior is observed while using Eye of MATE --- where it doesn't center the viewable portions of the image on the mouse until the scrollbars are enabled.

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Try zooming in so you have both bars, place the pointer on a landmark, and
then zoom in some more. Still isn't quite centered.
On Jun 10, 2016 2:42 PM, "Lehi Toskin" [email protected] wrote:

I see what you mean. I think it's because the image is small enough to
still be considered y-axis-centered for a few clicks of the wheel before
the horizontal scrollbar is enabled.

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Quite tricky... I've tried a few different things but they just seem to make it less accurate.

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