58 lines
1.4 KiB
Rust
58 lines
1.4 KiB
Rust
use crate::MouseCursor;
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use raw_window_handle::HasRawWindowHandle;
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/// A renderer that can target windows.
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pub trait Windowed: super::Renderer + Sized {
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/// The settings of the renderer.
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type Settings: Default;
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/// The type of target.
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type Target: Target<Renderer = Self>;
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/// Creates a new [`Windowed`] renderer.
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///
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/// [`Windowed`]: trait.Windowed.html
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fn new(settings: Self::Settings) -> Self;
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/// Performs the drawing operations described in the output on the given
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/// target.
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///
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/// The overlay can be a bunch of debug text logs. It should be rendered on
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/// top of the GUI on most scenarios.
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fn draw<T: AsRef<str>>(
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&mut self,
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output: &Self::Output,
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overlay: &[T],
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target: &mut Self::Target,
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) -> MouseCursor;
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}
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/// A rendering target.
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pub trait Target {
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/// The renderer of this target.
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type Renderer;
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/// Creates a new rendering [`Target`] from the given window handle, width,
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/// height and dpi factor.
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///
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/// [`Target`]: trait.Target.html
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fn new<W: HasRawWindowHandle>(
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window: &W,
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width: u16,
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height: u16,
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dpi: f32,
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renderer: &Self::Renderer,
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) -> Self;
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/// Resizes the current [`Target`].
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///
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/// [`Target`]: trait.Target.html
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fn resize(
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&mut self,
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width: u16,
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height: u16,
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dpi: f32,
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renderer: &Self::Renderer,
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);
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}
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