FS#6057 - Win8.1 UI scaling affects resolution
I have a 4k resolution display and use the ui scaling feature of win8.1.
When i have openttd running in window mode and set the resolution to 1920x1200 it is not 1920x1200 big. It is more or less 2880pixel wide.
I have set the ui scaling to 150% which fits perfectly with the resolution issue.
From other games i do except the following behaviour: Ignore UI scaling from Win8.1 or apply it only to the hud.
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