ported ming-os graphics to linux framebuffer

src/fs.rs

@@ -0,0 +1,52 @@
+use std::fs::read_dir;
+use std::path::Path;
+
+use bmp_rust::bmp::BMP;
+
+pub fn get_font_char(dir: &str, c: char) -> Option<(char, Vec<Vec<u8>>, u8)> {
+  let mut font: Vec<(char, Vec<Vec<u8>>, u8)> = Vec::new();
+  for entry in read_dir(dir).unwrap() {
+    let path = entry.unwrap().path();
+    let path_chars: Vec<char> = path.file_name().unwrap().to_str().unwrap().to_string().chars().collect();
+    if path_chars[0] == c {
+      let mut ch: Vec<Vec<u8>> = Vec::new();
+      if !path.is_dir() {
+        let b = BMP::new_from_file(&path.clone().into_os_string().into_string().unwrap());
+        let dib_header = b.get_dib_header().unwrap();
+        let width = dib_header.width as usize;
+        let height = dib_header.height as usize;
+        for y in 0..height {
+          let mut row = Vec::new();
+          for x in 0..width {
+            let pixel_color = b.get_color_of_px(x, y).unwrap();
+            //if black, true
+            row.push(pixel_color[3]); //push alpha channel
+          }
+          ch.push(row);
+        }
+        return Some((path_chars[0], ch, path_chars[1].to_digit(10).unwrap() as u8));
+      }
+    }
+  }
+  None
+}
+
+//the Vec<u8> should be [u8; 3] but thats a job for another day
+pub fn get_bmp(path: &str) -> Vec<Vec<Vec<u8>>> {
+  let mut bmp: Vec<Vec<Vec<u8>>> = Vec::new();
+  let b = BMP::new_from_file(path);
+  let dib_header = b.get_dib_header().unwrap();
+  let width = dib_header.width as usize;
+  let height = dib_header.height as usize;
+  for y in 0..height {
+    let mut row = Vec::new();
+    for x in 0..width {
+      let pixel_color = b.get_color_of_px(x, y).unwrap();
+      //if black, true
+      row.push(vec![pixel_color[0], pixel_color[1], pixel_color[2]]); //push alpha channel
+    }
+    bmp.push(row);
+  }
+  bmp
+}
+