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Merge pull request #371 from myfreeweb/window-alpha

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Add custom window background/clear color (incl. transparency) support, fixes #272
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Héctor Ramón 2020-06-01 22:01:28 +02:00 • committed by GitHub
commit 2ba9598f80
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6 changed files with 49 additions and 9 deletions
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7
glow/src/settings.rs
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@ -1,10 +1,11 @@
//! Configure a renderer.
pub use iced_graphics::Antialiasing;
pub use iced_native::Color;
/// The settings of a [`Renderer`].
///
/// [`Renderer`]: ../struct.Renderer.html
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
#[derive(Debug, Clone, Copy, PartialEq)]
pub struct Settings {
/// The bytes of the font that will be used by default.
///
@ -13,6 +14,9 @@ pub struct Settings {
/// The antialiasing strategy that will be used for triangle primitives.
pub antialiasing: Option<Antialiasing>,
/// The color that will be used to clear the window surface.
pub background_color: Color,
}
impl Default for Settings {
@ -20,6 +24,7 @@ impl Default for Settings {
Settings {
default_font: None,
antialiasing: None,
background_color: Color::WHITE,
}
}
}

7
glow/src/window/compositor.rs
View file

@ -21,7 +21,12 @@ impl iced_graphics::window::GLCompositor for Compositor {
) -> (Self, Self::Renderer) {
let gl = glow::Context::from_loader_function(loader_function);
gl.clear_color(1.0, 1.0, 1.0, 1.0);
gl.clear_color(
settings.background_color.r,
settings.background_color.g,
settings.background_color.b,
settings.background_color.a,
);
// Enable auto-conversion from/to sRGB
gl.enable(glow::FRAMEBUFFER_SRGB);