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gabdube / native-windows-gui

A light windows GUI toolkit for rust
https://gabdube.github.io/native-windows-gui/
MIT License
1.96k stars 127 forks source link

Fix HiDPI issues related to image loading #235

Open gyk opened 2 years ago

gyk commented 2 years ago

When working on some HiDPI application, I find I have to manually scale the size attribute of nwg_resource for loading Bitmaps/Icons/ImageLists properly. This PR tries to fix it.

gyk commented 2 years ago

Update: In case GetDeviceCaps returns 0, USER_DEFAULT_SCREEN_DPI should be used for DPI instead, as does in https://github.com/microsoft/PowerToys/blob/v0.53.3/src/modules/fancyzones/FancyZonesLib/util.cpp#L130. Otherwise logical_to_physical will panic.