From c9696ca687446d78de374a828183de0a5e4bace3 Mon Sep 17 00:00:00 2001
From: Héctor Ramón Jiménez <hector0193@gmail.com>
Date: Fri, 19 Jun 2020 19:17:05 +0200
Subject: Add `scale_factor` to `Application` and `Sandbox`
---
glutin/src/application.rs | 18 +++++++++++++++++-
1 file changed, 17 insertions(+), 1 deletion(-)
(limited to 'glutin/src/application.rs')
diff --git a/glutin/src/application.rs b/glutin/src/application.rs
index 63d41573..bcdd9e33 100644
--- a/glutin/src/application.rs
+++ b/glutin/src/application.rs
@@ -48,6 +48,7 @@ pub fn run<A, E, C>(
let mut title = application.title();
let mut mode = application.mode();
let mut background_color = application.background_color();
+ let mut scale_factor = application.scale_factor();
let context = {
let builder = settings.window.into_builder(
@@ -75,7 +76,7 @@ pub fn run<A, E, C>(
let physical_size = context.window().inner_size();
let mut viewport = Viewport::with_physical_size(
Size::new(physical_size.width, physical_size.height),
- context.window().scale_factor(),
+ context.window().scale_factor() * scale_factor,
);
let mut resized = false;
@@ -142,6 +143,20 @@ pub fn run<A, E, C>(
// Update background color
background_color = program.background_color();
+
+ // Update scale factor
+ let new_scale_factor = program.scale_factor();
+
+ if scale_factor != new_scale_factor {
+ let size = context.window().inner_size();
+
+ viewport = Viewport::with_physical_size(
+ Size::new(size.width, size.height),
+ context.window().scale_factor() * new_scale_factor,
+ );
+
+ scale_factor = new_scale_factor;
+ }
}
context.window().request_redraw();
@@ -195,6 +210,7 @@ pub fn run<A, E, C>(
application::handle_window_event(
&window_event,
context.window(),
+ scale_factor,
control_flow,
&mut modifiers,
&mut viewport,
--
cgit