79 lines
1.7 KiB
Rust
79 lines
1.7 KiB
Rust
use embedded_graphics::{pixelcolor::Rgb888, prelude::*, primitives::Rectangle};
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use linfb::{Framebuffer, shape::Color};
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use crate::rgba::Rgba;
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pub struct Screen {
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framebuffer: Framebuffer,
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width: u32,
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height: u32,
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}
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impl Screen {
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pub fn new() -> Self {
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let framebuffer = Framebuffer::open()
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.expect("Failed to open framebuffer");
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let width = framebuffer.screen_info.xres;
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let height = framebuffer.screen_info.yres;
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Self {
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framebuffer,
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width,
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height
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}
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}
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pub fn width(&self) -> u32 {
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self.width
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}
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pub fn height(&self) -> u32 {
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self.height
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}
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}
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impl Dimensions for Screen {
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fn bounding_box(&self) -> Rectangle {
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Rectangle::new(
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Point::new(0, 0),
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Size::new(self.width, self.height),
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)
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}
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}
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impl DrawTarget for Screen {
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type Color = Rgba<Rgb888>;
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type Error = Box<dyn std::error::Error>;
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fn draw_iter<I>(&mut self, pixels: I) -> Result<(), Self::Error>
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where
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I: IntoIterator<Item = embedded_graphics::Pixel<Self::Color>>,
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{
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let width = self.bounding_box().size.width;
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let height = self.bounding_box().size.height;
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for p in pixels {
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let x = p.0.x as u32;
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let y = p.0.y as u32;
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let color = Color {
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red: p.1.r(),
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green: p.1.g(),
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blue: p.1.b(),
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alpha: p.1.a(),
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};
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if !(0..width).contains(&x) || !(0..height).contains(&y) {
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continue;
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}
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self.framebuffer.set_pixel(x, y, color);
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}
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self.framebuffer.flush();
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Ok(())
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}
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}
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