Unable to use zoom function on flash sites
Zoom function works, but not on flash sites. Windows 10 64 bit, Firefox 47.0.1 with latest flash addon.
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Does your system have an UltraHD display?
The Flash plugin does not scale correctly with higher-than-HD displays. This is a longstanding issue... for example, from about two years ago: Playback controls on YouTube and other video players are tiny (Yoga Pro 2 at 3200 x 1800).
Since Flash is something of a legacy product now, I don't think that Adobe is going to fix this, although, you never know...
For another thread last year, I discovered possible workarounds for other Adobe software, but I didn't find anyone applying this idea to the Flash player plugin or, if appropriate, to Firefox's plugin-container.exe process, so I don't hold out a lot of hope:
- https://forums.adobe.com/message/6042335#6042335 (post #76)
- http://www.danantonielli.com/adobe-app-scaling-on-high-dpi-displays-fix/
Another recent thread discussing that possibility: Windows 10 scaling problem