screen: Show lane types

src/screen.rs

@@ -23,6 +23,10 @@ where
     prev_state: ScreenState,
     hb_state: bool,
     gnss_hb_state: bool,
+
+    // assets
+    #[cfg(feature = "spat")]
+    bike_image: tinytga::Tga<'static, pixelcolor::Rgb565>,
 }
 
 #[derive(Debug, Default, PartialEq, Eq)]
@@ -94,12 +98,19 @@ where
     const BIG_HEIGHT_THLD: u16 = 172;
 
     pub fn new(target: D, display_size: DisplaySize) -> Self {
+        #[cfg(feature = "spat")]
+        let data = include_bytes!("../graphics/Sinnbild_Radfahrer_StVO_1992-25px-white.tga");
+        #[cfg(feature = "spat")]
+        let bike_image = tinytga::Tga::from_slice(data).expect("Failed to parse TGA image");
+
         Self {
             target,
             size: display_size,
             prev_state: ScreenState::Uninitialized,
             hb_state: false,
             gnss_hb_state: false,
+            #[cfg(feature = "spat")]
+            bike_image,
         }
     }
 
@@ -307,7 +318,7 @@ where
             // clear everything if number of signals has changed
             self.clear();
         } else {
-            // only clear maneuver and timing area otherwise
+            // only clear maneuver and timing area otherwise (lane type will clear itself)
             let sig_total_height = 67 + if is_big_height { 20 } else { 0 };
             primitives::Rectangle::new(
                 geometry::Point::new(0, 105 + self.size.offset_top),
@@ -355,7 +366,38 @@ where
             .into_styled(style)
             .draw(&mut self.target)?;
 
-            // TODO: draw lane type?
+            // mark bike lanes which are not a vehicle lane, too
+            let lane_symbol_y_pos = 75;
+            if sig.usages.contains(&applogic::v2x::map::UsageType::Vehicle) {
+                // clear area
+                primitives::Rectangle::new(
+                    geometry::Point::new(
+                        centerline - (45 / 2),
+                        lane_symbol_y_pos + self.size.offset_top,
+                    ),
+                    geometry::Size::new(45, 25),
+                )
+                .into_styled(Self::BK_STYLE)
+                .draw(&mut self.target)?;
+            } else if sig.usages.contains(&applogic::v2x::map::UsageType::Bike) {
+                // bike symbol (45x25px)
+                embedded_graphics::image::Image::new(
+                    &self.bike_image,
+                    geometry::Point::new(
+                        centerline - (45 / 2) + 1,
+                        lane_symbol_y_pos + self.size.offset_top,
+                    ),
+                )
+                .draw(&mut self.target)?;
+            } else {
+                text::Text::with_alignment(
+                    "?",
+                    geometry::Point::new(centerline, lane_symbol_y_pos + 24 + self.size.offset_top),
+                    Self::DEFAULT_TEXT_STYLE,
+                    text::Alignment::Center,
+                )
+                .draw(&mut self.target)?;
+            };
 
             // draw maneuver
             text::Text::with_alignment(
@@ -434,6 +476,13 @@ where
 
         // draw welcome text
         let centerline = i32::from(self.size.width) / 2;
+
+        embedded_graphics::image::Image::new(
+            &self.bike_image,
+            geometry::Point::new(centerline - (45 / 2) + 1, 75 + self.size.offset_top),
+        )
+        .draw(&mut self.target)?;
+
         text::Text::with_alignment(
             "C-ITS Signal Phase\nWaiting for GNSS...",
             geometry::Point::new(centerline, 130 + self.size.offset_top),