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//! Configure your application.
use crate::window;
use crate::{Font, Pixels};
use std::borrow::Cow;
/// The settings of an iced [`Program`].
///
/// [`Program`]: crate::Program
#[derive(Debug, Clone)]
pub struct Settings<Flags = ()> {
/// The identifier of the application.
///
/// If provided, this identifier may be used to identify the application or
/// communicate with it through the windowing system.
pub id: Option<String>,
/// The window settings.
///
/// They will be ignored on the Web.
pub window: window::Settings,
/// The data needed to initialize the [`Program`].
///
/// [`Program`]: crate::Program
pub flags: Flags,
/// The fonts to load on boot.
pub fonts: Vec<Cow<'static, [u8]>>,
/// The default [`Font`] to be used.
///
/// By default, it uses [`Family::SansSerif`](crate::font::Family::SansSerif).
pub default_font: Font,
/// The text size that will be used by default.
///
/// The default value is `16.0`.
pub default_text_size: Pixels,
/// If set to true, the renderer will try to perform antialiasing for some
/// primitives.
///
/// Enabling it can produce a smoother result in some widgets, like the
/// [`Canvas`], at a performance cost.
///
/// By default, it is disabled.
///
/// [`Canvas`]: crate::widget::Canvas
pub antialiasing: bool,
}
impl<Flags> Settings<Flags> {
/// Initialize [`Program`] settings using the given data.
///
/// [`Program`]: crate::Program
pub fn with_flags(flags: Flags) -> Self {
let default_settings = Settings::<()>::default();
Self {
flags,
id: default_settings.id,
window: default_settings.window,
fonts: default_settings.fonts,
default_font: default_settings.default_font,
default_text_size: default_settings.default_text_size,
antialiasing: default_settings.antialiasing,
}
}
}
impl<Flags> Default for Settings<Flags>
where
Flags: Default,
{
fn default() -> Self {
Self {
id: None,
window: window::Settings::default(),
flags: Default::default(),
fonts: Vec::new(),
default_font: Font::default(),
default_text_size: Pixels(16.0),
antialiasing: false,
}
}
}
impl<Flags> From<Settings<Flags>> for iced_winit::Settings<Flags> {
fn from(settings: Settings<Flags>) -> iced_winit::Settings<Flags> {
iced_winit::Settings {
id: settings.id,
window: settings.window,
flags: settings.flags,
fonts: settings.fonts,
}
}
}
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