mirui 0.5.0

A lightweight, no_std ECS-driven UI framework for embedded, desktop, and WebAssembly
Documentation 
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pub mod framebuf;
#[cfg(feature = "sdl")]
pub mod sdl;

use crate::types::{CoordTransform, Fixed, Rect};

/// Display information
pub struct DisplayInfo {
    pub width: u16,
    pub height: u16,
    pub scale: Fixed,
    pub format: crate::draw::texture::ColorFormat,
}

impl DisplayInfo {
    pub fn transform(&self) -> CoordTransform {
        CoordTransform::new(self.width, self.height, self.scale)
    }
}

/// Input event from the platform
#[derive(Clone, Debug)]
pub enum InputEvent {
    Touch { x: Fixed, y: Fixed },
    TouchMove { x: Fixed, y: Fixed },
    Release { x: Fixed, y: Fixed },
    Key { code: u32, pressed: bool },
    Quit,
}

/// Platform backend trait — abstracts display + input
pub trait Backend {
    /// Get display info
    fn display_info(&self) -> DisplayInfo;

    /// Get a mutable reference to the framebuffer (RGBA8888)
    fn framebuffer(&mut self) -> &mut [u8];

    /// Flush a region of the framebuffer to the display
    fn flush(&mut self, area: &Rect);

    /// Poll for input events (non-blocking, returns None when no events)
    fn poll_event(&mut self) -> Option<InputEvent>;

    /// Full screen rect helper
    fn screen_rect(&self) -> Rect {
        let info = self.display_info();
        Rect::new(0, 0, info.width, info.height)
    }
}