Implemented an actual timetable layout with u8g2 fonts

Cargo.toml

@@ -36,6 +36,7 @@ embedded-svc = "0.28.1"
 untis = {path = "../untis-test/untis-rs"}
 chrono = "0.4.41"
 embedded-layout = "0.4.2"
+u8g2-fonts = { version = "0.5.2", features = ["embedded_graphics_textstyle"] }
 
 # --- Optional Embassy Integration ---
 # esp-idf-svc = { version = "0.51", features = ["critical-section", "embassy-time-driver", "embassy-sync"] }

src/main.rs

@@ -1,7 +1,7 @@
 use std::borrow::Cow;
 use std::str::FromStr;
 
-use chrono::{Datelike, Days, NaiveTime};
+use chrono::{format::Fixed, Datelike, Days, NaiveTime};
 use embedded_graphics::{
     mono_font::{MonoTextStyle, MonoTextStyleBuilder},
     prelude::{Dimensions, Point},
@@ -22,9 +22,9 @@ use esp_idf_svc::{
     nvs::EspDefaultNvsPartition,
     wifi::Configuration,
 };
-use esp_idf_sys::time;
+use u8g2_fonts::U8g2TextStyle;
 use untis::{Date, Lesson};
-use embedded_layout::{layout::linear::LinearLayout, prelude::*};
+use embedded_layout::{layout::linear::{FixedMargin, LinearLayout}, prelude::*};
 
 type Timetable = [[Option<Lesson>;8]; 5];
 
@@ -139,26 +139,35 @@ fn draw_text(display: &mut epd_waveshare::epd7in5_v2::Display7in5, text: &str, x
 fn draw_layout(display: &mut epd_waveshare::epd7in5_v2::Display7in5, timetable: &Timetable){
     let display_area = display.bounding_box();
 
-    let text_style = MonoTextStyle::new(&embedded_graphics::mono_font::ascii::FONT_6X9, Color::White);
+    let margin = FixedMargin(10);
+    // let text_style = MonoTextStyle::new(&embedded_graphics::mono_font::ascii::FONT_10X20, Color::White);
+    let text_style = U8g2TextStyle::new(u8g2_fonts::fonts::u8g2_font_inr21_mf, Color::White);
+    let empty_str = String::from(" ");
 
-    let empty_str = String::new();
+    let mut texts = timetable.iter().map(|day| day.iter().map(|l| {
-
-    let mut texts = timetable[0].iter().map(|l| {
         if let Some(l) = l{
             Some(l.subjects.first().unwrap().name.as_str())
         }else{
             None
         }
     }).map(|s|{
-        Text::new(s.unwrap_or_else(|| &empty_str), Point::zero(), text_style)
+        Text::new(s.unwrap_or_else(|| &empty_str), Point::zero(), &text_style)
-    }).collect::<Vec<_>>();
+    }).collect::<Vec<_>>()).collect::<Vec<_>>();
 
-    let vg = Views::new(&mut texts);
+    let mut columns = texts.iter_mut().map(|day| 
+        LinearLayout::vertical(Views::new(day))
+            .align_to(&display_area, horizontal::Center, vertical::Top)
+            .with_spacing(margin)
+            .arrange()
+    ).collect::<Vec<_>>();
 
-    LinearLayout::vertical(vg)
+    let columns = Views::new(&mut columns);
-        .with_alignment(horizontal::Center)
+
+    LinearLayout::horizontal(columns)
+        .with_alignment(vertical::Center)
+        .with_spacing(margin)
         .arrange()
-        .align_to(&display_area, horizontal::Center, vertical::Center)
+        .align_to(&display_area, horizontal::Center, vertical::Top)
         .draw(display)
         .unwrap();
 }