merge commit. probably broken tbh

libk/src/std/application/frame.rs

@@ -0,0 +1,19 @@
+use super::{
+    render::{ColouredChar, RenderError},
+    window::Window,
+};
+use alloc::vec::Vec;
+
+pub struct Frame<'f> {
+    data: Vec<Vec<ColouredChar>>,
+    window: &'f Window,
+}
+
+impl Frame<'_> {
+    pub fn render(&self) -> Result<(), RenderError> {
+        let data: Vec<&[ColouredChar]> = self.data.iter().map(|v| v.as_slice()).collect::<Vec<_>>();
+        self.window
+            .render(data.as_slice())
+            .map_err(|_| RenderError::Generic)
+    }
+}

libk/src/std/application/render.rs

@@ -0,0 +1,23 @@
+use core::fmt::Display;
+
+use crate::drivers::io::framebuffer::colour::Colour;
+
+#[derive(Clone, Copy, Debug, PartialEq, Eq)]
+pub enum RenderError {
+    Generic,
+}
+
+impl Display for RenderError {
+    fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
+        match self {
+            Self::Generic => write!(f, "Generic render error"),
+        }
+    }
+}
+
+impl core::error::Error for RenderError {}
+
+pub struct ColouredChar {
+    ch: u8,
+    colour: Colour,
+}

libk/src/std/application/window.rs

@@ -1,5 +1,7 @@
 use crate::{prelude::*, std::maths::geometry::Vec2};
 
+use super::render::{ColouredChar, RenderError};
+
 pub struct Window {
     dimensions: Vec2<usize>,
     position: Vec2<usize>,
@@ -19,6 +21,10 @@ impl Window {
         }
     }
 
+    pub fn render(&self, _data: &[&[ColouredChar]]) -> Result<(), RenderError> {
+        todo!();
+    }
+
     pub const fn is_bordered(&self) -> bool {
         self.bordered
     }
@@ -78,3 +84,9 @@ impl Drop for Window {
         }
     }
 }
+
+impl Default for Window {
+    fn default() -> Self {
+        Self::new()
+    }
+}