not working

libk/src/std/application/frame.rs

@@ -1,19 +1,40 @@
+use crate::{drivers::io::framebuffer::colour::Colour, std::maths::geometry::Vec2};
+
 use super::{
     render::{ColouredChar, RenderError},
-    window::Window,
+    window::{self, Window},
 };
-use alloc::vec::Vec;
+use alloc::{vec, vec::Vec};
 
 pub struct Frame<'f> {
-    data: Vec<Vec<ColouredChar>>,
+    data: Vec<Vec<Colour>>,
     window: &'f Window,
 }
 
-impl Frame<'_> {
+impl<'a> Frame<'a> {
+    pub fn new(window: &'a Window) -> Self {
+        Self {
+            data: vec![vec![Colour::Black; window.dimensions().x()]; window.dimensions().y()],
+            window,
+        }
+    }
+
     pub fn render(&self) -> Result<(), RenderError> {
-        let data: Vec<&[ColouredChar]> = self.data.iter().map(|v| v.as_slice()).collect::<Vec<_>>();
+        let data: Vec<&[Colour]> = self.data.iter().map(|v| v.as_slice()).collect::<Vec<_>>();
         self.window
             .render(data.as_slice())
             .map_err(|_| RenderError::Generic)
     }
+
+    pub fn write_pixel(&mut self, x: usize, y: usize, color: Colour) -> Result<(), RenderError> {
+        if x >= self.window.dimensions().x() || y >= self.window.dimensions().y() {
+            return Err(RenderError::Generic);
+        }
+        self.data[y][x] = color;
+        Ok(())
+    }
+
+    pub const fn dimensions(&self) -> Vec2<usize> {
+        self.window.dimensions()
+    }
 }

libk/src/std/application/window.rs

@@ -1,6 +1,12 @@
-use crate::{prelude::*, std::maths::geometry::Vec2};
+use limine::framebuffer;
 
-use super::render::{ColouredChar, RenderError};
+use crate::{
+    drivers::io::framebuffer::{colour::Colour, display::FRAMEBUFFER_WRITER},
+    prelude::*,
+    std::maths::geometry::Vec2,
+};
+
+use super::render::RenderError;
 
 pub struct Window {
     dimensions: Vec2<usize>,
@@ -21,8 +27,12 @@ impl Window {
         }
     }
 
-    pub fn render(&self, _data: &[&[ColouredChar]]) -> Result<(), RenderError> {
-        todo!();
+    pub fn render(&self, _data: &[&[Colour]]) -> Result<(), RenderError> {
+        // TODO: error handling!! the kernel should return an error in some cases
+        if let Some(fb) = FRAMEBUFFER_WRITER.lock().as_mut() {
+            fb.render_frame(_data);
+        }
+        Ok(())
     }
 
     pub const fn is_bordered(&self) -> bool {