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On Wayland, add support for fractional scaling

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This adds support for the fractional scaling on Wayland via the
wp-fractional-scale protocol.

Co-authored-by: Julian Orth <ju.orth@gmail.com>
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Kirill Chibisov 2023-01-20 00:02:16 +03:00 • committed by GitHub
parent 1886949efe
commit de782504ab
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14 changed files with 361 additions and 66 deletions
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src/window.rs
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@ -486,6 +486,7 @@ impl Window {
/// ## Platform-specific
///
/// - **X11:** This respects Xft.dpi, and can be overridden using the `WINIT_X11_SCALE_FACTOR` environment variable.
/// - **Wayland:** Uses the wp-fractional-scale protocol if available. Falls back to integer-scale factors otherwise.
/// - **Android:** Always returns 1.0.
/// - **iOS:** Can only be called on the main thread. Returns the underlying `UIView`'s
/// [`contentScaleFactor`].