feat: start work on matrix module

dot-matrix/src/main.rs

@@ -72,9 +72,27 @@ fn build_ui(app: &gtk::Application) {
     let font_5x7: Font = Font::new("5x7");
     let char_bitmap = font_5x7.get_char_bitmap(1).unwrap();
 
-    insert_matrix_at(&mut dot_matrix, &insert_matrix, 0, 0);
+    // insert_matrix_at(&mut dot_matrix, &insert_matrix, 0, 0);
-    insert_matrix_at(&mut dot_matrix, &insert_matrix, 0, 6);
+    // insert_matrix_at(&mut dot_matrix, &insert_matrix, 0, 6);
-    insert_matrix_at(&mut dot_matrix, &char_bitmap, 0, 12);
+    // insert_matrix_at(&mut dot_matrix, &char_bitmap, 0, 12);
+
+    let thing = String::from("i");
+    let ascii_values: &Vec<u8> = &thing.chars().map(|c| c as u8).collect();
+
+    let mut col_offset = 0;
+
+    for ch in ascii_values {
+        insert_matrix_at(
+            &mut dot_matrix,
+            &font_5x7.get_char_bitmap(*ch as u64).unwrap(),
+            0,
+            col_offset * 6,
+        );
+
+        col_offset = col_offset + 1;
+    }
+
+    println!("{:?}", ascii_values);
 
     drawing_area.set_draw_func(move |_area, cr, width, height| {
         draw_dot_matrix(cr, width, height, &dot_matrix);

dot-matrix/src/matrix/mod.rs

@@ -0,0 +1,3 @@
+mod matrix;
+
+pub use matrix::Matrix;