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Add scale_factor to Application and Sandbox

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This commit is contained in:
Héctor Ramón Jiménez 2020-06-19 19:17:05 +02:00
parent d19c02035f
commit c9696ca687
4 changed files with 93 additions and 5 deletions
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18
glutin/src/application.rs
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@ -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,