docs: document device scaling issue (#19387)

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Richard Townsend 2019-08-08 21:59:44 +01:00 committed by Shelley Vohr
parent da29ce355f
commit 58840f39bb

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@ -48,3 +48,12 @@ would run `npm run test -- -g ipc`.
1. Push the Windows key and search for _Manage optional features_.
1. Click _Add a feature_.
1. Select _Japanese Supplemental Fonts_ and click _Install_.
Some tests which rely on precise pixel measurements may not work correctly on
devices with Hi-DPI screen settings due to floating point precision errors.
To run these tests correctly, make sure the device is set to 100% scaling.
To configure display scaling:
1. Push the Windows key and search for _Display settings_.
1. Under _Scale and layout_, make sure that the device is set to 100%.