egui: hide layers marked as hidden

src/bin/topola-egui/app.rs

@@ -204,6 +204,7 @@ impl eframe::App for App {
             self.shared_data.clone(),
             &self.invoker,
             &mut self.overlay,
+            &self.layers,
         );
 
         if ctx.input(|i| i.key_pressed(egui::Key::Escape)) {

src/bin/topola-egui/layers.rs

@@ -1,7 +1,7 @@
 use topola::board::{mesadata::MesadataTrait, Board};
 
 pub struct Layers {
-    visible: Box<[bool]>,
+    pub visible: Box<[bool]>,
 }
 
 impl Layers {

src/bin/topola-egui/viewport.rs

@@ -15,6 +15,7 @@ use topola::{
 
 use crate::{
     app::{execute, SharedData},
+    layers::Layers,
     overlay::Overlay,
     painter::Painter,
     top::Top,
@@ -38,6 +39,7 @@ impl Viewport {
         shared_data: Arc<Mutex<SharedData>>,
         maybe_invoker: &Option<Arc<Mutex<Invoker<DsnMesadata>>>>,
         maybe_overlay: &mut Option<Overlay>,
+        maybe_layers: &Option<Layers>,
     ) {
         egui::CentralPanel::default().show(ctx, |ui| {
             egui::Frame::canvas(ui.style()).show(ui, |ui| {
@@ -106,6 +108,8 @@ impl Viewport {
                     ) {
                         let board = invoker.autorouter().board();
 
+                        if let Some(layers) = maybe_layers {
+                            if layers.visible[1] {
                                 for primitive in board.layout().drawing().layer_primitive_nodes(1) {
                                     let shape = primitive.primitive(board.layout().drawing()).shape();
 
@@ -132,7 +136,9 @@ impl Viewport {
                                     };
                                     painter.paint_polygon(&board.layout().zone(zone).shape().polygon, color)
                                 }
+                            }
 
+                            if layers.visible[0] {
                                 for primitive in board.layout().drawing().layer_primitive_nodes(0) {
                                     let shape = primitive.primitive(board.layout().drawing()).shape();
 
@@ -159,6 +165,8 @@ impl Viewport {
                                     };
                                     painter.paint_polygon(&board.layout().zone(zone).shape().polygon, color)
                                 }
+                            }
+                        }
 
                         if top.show_ratsnest {
                             for edge in overlay.ratsnest().graph().edge_references() {