[Feature] Drag to zoom

[bo0tzz]

Discussed in #1712

^{Originally posted by bo0tzz February 9, 2023}

The feature

Double tap on an image, then drag up and down to zoom in and out. Recording: https://put.bo0tzz.me/screen-20230209-231407.mp4

Platform

• Server
• Web
• Mobile

[martyfuhry]

flutter/flutter#109573 This PR added something called TapAndDragGestureRecognizer, which hasn't made its way into stable yet (I don't think). But once it does... I think it may be the correct Gesture Recognizer to use to scale the image like this.

[stephen304]

It looks like the current version of flutter being used in immich now (3.24.5 tagged last month) has those commits, so maybe this is possible now?