feat: render fixed time

src/main.rs

@@ -12,6 +12,8 @@ use crossterm::{
     terminal::{self, ClearType},
 };
 
+mod symbols;
+
 fn main() -> io::Result<()> {
     let mut stdout = io::stdout();
 
@@ -61,17 +63,47 @@ fn main() -> io::Result<()> {
 }
 
 fn render_frame() -> io::Result<()> {
-    let mut stdout = io::stdout();
     let (width, height) = terminal::size()?;
 
-    // Render red X at middle of screen
+    // Display centered 16:20 in white
-    queue!(
+    let text_width = 6 + 7 + 6 + 7 + 6;
-        stdout,
+    let text_height = 5;
-        cursor::MoveTo(width / 2, height / 2),
+    let color = Color::White;
-        style::SetForegroundColor(Color::Red)
-    )?;
 
-    write!(stdout, "X")?;
+    let x = width / 2 - text_width / 2;
+    let y = height / 2 - text_height / 2;
+
+    draw_symbol('1', x - 0 + 0 * 7, y, color)?;
+    draw_symbol('6', x - 0 + 1 * 7, y, color)?;
+    draw_symbol(':', x - 1 + 2 * 7, y, color)?;
+    draw_symbol('2', x - 2 + 3 * 7, y, color)?;
+    draw_symbol('0', x - 2 + 4 * 7, y, color)?;
+
+    return Ok(());
+}
+
+fn draw_symbol(symbol: char, x: u16, y: u16, color: Color) -> io::Result<()> {
+    let mut stdout = io::stdout();
+
+    let data = symbols::symbol_to_render_data(symbol);
+
+    for oy in 0..data.len() {
+        for ox in 0..data[oy].len() {
+            if data[oy][ox] {
+                let cx = ox as u16;
+                let cy = oy as u16;
+
+                // Render cursor at position by setting background color and using space
+                queue!(
+                    stdout,
+                    cursor::MoveTo(x + cx, y + cy),
+                    style::SetBackgroundColor(color)
+                )?;
+                write!(stdout, " ")?;
+                queue!(stdout, style::ResetColor)?;
+            }
+        }
+    }
 
     return Ok(());
 }

src/symbols.rs

@@ -0,0 +1,160 @@
+pub fn symbol_to_render_data(ch: char) -> [[bool; 6]; 5] {
+    match ch {
+        '1' => ONE,
+        '2' => TWO,
+        '3' => THREE,
+        '4' => FOUR,
+        '5' => FIVE,
+        '6' => SIX,
+        '7' => SEVEN,
+        '8' => EIGHT,
+        '9' => NINE,
+        '0' => ZERO,
+        ':' => DIV,
+        '-' => DASH,
+        ' ' => SPACE,
+        'A' => A,
+        'P' => P,
+        'M' => M,
+        _ => ERR,
+    }
+}
+
+const O: bool = false;
+const X: bool = true;
+
+const ONE: [[bool; 6]; 5] = [
+    [O, O, O, O, X, X],
+    [O, O, O, O, X, X],
+    [O, O, O, O, X, X],
+    [O, O, O, O, X, X],
+    [O, O, O, O, X, X],
+];
+
+const TWO: [[bool; 6]; 5] = [
+    [X, X, X, X, X, X],
+    [O, O, O, O, X, X],
+    [X, X, X, X, X, X],
+    [X, X, O, O, O, O],
+    [X, X, X, X, X, X],
+];
+
+const THREE: [[bool; 6]; 5] = [
+    [X, X, X, X, X, X],
+    [O, O, O, O, X, X],
+    [X, X, X, X, X, X],
+    [O, O, O, O, X, X],
+    [X, X, X, X, X, X],
+];
+
+const FOUR: [[bool; 6]; 5] = [
+    [X, X, O, O, X, X],
+    [X, X, O, O, X, X],
+    [X, X, X, X, X, X],
+    [O, O, O, O, X, X],
+    [O, O, O, O, X, X],
+];
+
+const FIVE: [[bool; 6]; 5] = [
+    [X, X, X, X, X, X],
+    [X, X, O, O, O, O],
+    [X, X, X, X, X, X],
+    [O, O, O, O, X, X],
+    [X, X, X, X, X, X],
+];
+
+const SIX: [[bool; 6]; 5] = [
+    [X, X, X, X, X, X],
+    [X, X, O, O, O, O],
+    [X, X, X, X, X, X],
+    [X, X, O, O, X, X],
+    [X, X, X, X, X, X],
+];
+
+const SEVEN: [[bool; 6]; 5] = [
+    [X, X, X, X, X, X],
+    [O, O, O, O, X, X],
+    [O, O, O, O, X, X],
+    [O, O, O, O, X, X],
+    [O, O, O, O, X, X],
+];
+
+const EIGHT: [[bool; 6]; 5] = [
+    [X, X, X, X, X, X],
+    [X, X, O, O, X, X],
+    [X, X, X, X, X, X],
+    [X, X, O, O, X, X],
+    [X, X, X, X, X, X],
+];
+
+const NINE: [[bool; 6]; 5] = [
+    [X, X, X, X, X, X],
+    [X, X, O, O, X, X],
+    [X, X, X, X, X, X],
+    [O, O, O, O, X, X],
+    [X, X, X, X, X, X],
+];
+
+const ZERO: [[bool; 6]; 5] = [
+    [X, X, X, X, X, X],
+    [X, X, O, O, X, X],
+    [X, X, O, O, X, X],
+    [X, X, O, O, X, X],
+    [X, X, X, X, X, X],
+];
+
+const DIV: [[bool; 6]; 5] = [
+    [O, O, O, O, O, O],
+    [O, O, X, X, O, O],
+    [O, O, O, O, O, O],
+    [O, O, X, X, O, O],
+    [O, O, O, O, O, O],
+];
+
+const DASH: [[bool; 6]; 5] = [
+    [O, O, O, O, O, O],
+    [O, O, O, O, O, O],
+    [O, X, X, X, X, O],
+    [O, O, O, O, O, O],
+    [O, O, O, O, O, O],
+];
+
+const ERR: [[bool; 6]; 5] = [
+    [X, X, X, X, X, X],
+    [X, X, O, O, O, O],
+    [X, X, X, X, X, X],
+    [X, X, O, O, O, O],
+    [X, X, X, X, X, X],
+];
+
+const SPACE: [[bool; 6]; 5] = [
+    [O, O, O, O, O, O],
+    [O, O, O, O, O, O],
+    [O, O, O, O, O, O],
+    [O, O, O, O, O, O],
+    [O, O, O, O, O, O],
+];
+
+const A: [[bool; 6]; 5] = [
+    [X, X, X, X, X, X],
+    [X, X, O, O, X, X],
+    [X, X, X, X, X, X],
+    [X, X, O, O, X, X],
+    [X, X, O, O, X, X],
+];
+
+const P: [[bool; 6]; 5] = [
+    [X, X, X, X, X, X],
+    [X, X, O, O, X, X],
+    [X, X, X, X, X, X],
+    [X, X, O, O, O, O],
+    [X, X, O, O, O, O],
+];
+
+const M: [[bool; 6]; 5] = [
+    [X, X, X, X, X, X],
+    [X, X, O, X, O, X],
+    [X, X, O, X, O, X],
+    [X, X, O, X, O, X],
+    [X, X, O, X, O, X],
+];