From f4a8bee711abbe04aec7ab176464410306f023e1 Mon Sep 17 00:00:00 2001
From: Mikolaj Wielgus <wielgusmikolaj@gmail.com>
Date: Tue, 10 Mar 2026 01:48:11 +0100
Subject: [PATCH] feat(topola-egui): Implement import of circular pads

---
 Cargo.toml                   |  2 +-
 topola-egui/src/displayer.rs |  8 ++++
 topola-egui/src/viewport.rs  |  2 +-
 topola/src/lib.rs            |  1 +
 topola/src/specctra.rs       | 80 ++++++++++++++++++++++++++++++++++--
 5 files changed, 87 insertions(+), 6 deletions(-)

diff --git a/Cargo.toml b/Cargo.toml
index 71e2dd8..314395e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -9,7 +9,7 @@ resolver = "2"
 
 [workspace.dependencies]
 derive-getters = "0.5"
-derive_more = { version = "2.1", features = ["from"] }
+derive_more = { version = "2.1", features = ["add", "constructor", "from", "into"] }
 serde = { version = "1", features = ["derive", "rc"] }
 thiserror = "2.0"
 undoredo = { version = "0.8", features = ["stable-vec"] }
diff --git a/topola-egui/src/displayer.rs b/topola-egui/src/displayer.rs
index 0414ef7..b051bcc 100644
--- a/topola-egui/src/displayer.rs
+++ b/topola-egui/src/displayer.rs
@@ -45,5 +45,13 @@ impl Displayer {
                 .collect::<Vec<_>>(),
             egui::Stroke::new(5.0 / viewport.scale_factor(), egui::Color32::WHITE),
         );
+
+        for (_, joint) in workspace.board.layout().joints().collection() {
+            ui.painter().circle_filled(
+                egui::Pos2::new(joint.position[0] as f32, joint.position[1] as f32),
+                joint.radius as f32,
+                egui::Color32::RED,
+            );
+        }
     }
 }
diff --git a/topola-egui/src/viewport.rs b/topola-egui/src/viewport.rs
index ad65713..a7f1088 100644
--- a/topola-egui/src/viewport.rs
+++ b/topola-egui/src/viewport.rs
@@ -26,7 +26,7 @@ impl Viewport {
             let mut scene_rect = self.scene_rect.clone();
 
             egui::Scene::new()
-                .zoom_range(0.0001..=10000.0)
+                .zoom_range(0.00001..=10000.0)
                 .show(ui, &mut scene_rect, |ui| {
                     if let Some(ref workspace) = workspace {
                         let mut displayer = Displayer::new();
diff --git a/topola/src/lib.rs b/topola/src/lib.rs
index 072bb67..8e19d70 100644
--- a/topola/src/lib.rs
+++ b/topola/src/lib.rs
@@ -4,6 +4,7 @@
 
 mod board;
 mod layout;
+mod math;
 mod navmesher;
 mod specctra;
 
diff --git a/topola/src/specctra.rs b/topola/src/specctra.rs
index c03afad..5a661c0 100644
--- a/topola/src/specctra.rs
+++ b/topola/src/specctra.rs
@@ -2,13 +2,16 @@
 //
 // SPDX-License-Identifier: MIT OR Apache-2.0
 
-use specctra::structure::DsnFile;
+use specctra::{
+    math::PointWithRotation,
+    structure::{DsnFile, Shape},
+};
 
-use crate::board::Board;
+use crate::{board::Board, layout::Joint, math::Vector2};
 
 impl Board {
     pub fn from_specctra(dsn: DsnFile) -> Self {
-        Board::new(
+        let mut board = Board::new(
             dsn.pcb
                 .structure
                 .boundary
@@ -17,6 +20,75 @@ impl Board {
                 .into_iter()
                 .map(|p| [p.x as i64, p.y as i64])
                 .collect(),
-        )
+        );
+
+        // add pins from components
+        for component in &dsn.pcb.placement.components {
+            let image = dsn
+                .pcb
+                .library
+                .images
+                .iter()
+                .find(|image| image.name == component.name)
+                .unwrap();
+
+            for place in &component.places {
+                /*let place_side_is_front = place.side == "front";
+                let get_layer = |board: &Board, name: &str| {
+                    Self::layer(board, &dsn.pcb.structure.layers, name, place_side_is_front)
+                };*/
+
+                for pin in &image.pins {
+                    let padstack = dsn.pcb.library.find_padstack_by_name(&pin.name).unwrap();
+
+                    for shape in padstack.shapes.iter() {
+                        match shape {
+                            Shape::Circle(circle) => Self::place_circle(
+                                &mut board,
+                                place.point_with_rotation(),
+                                pin.point_with_rotation(),
+                                (circle.diameter / 2.0) as u64,
+                                false,
+                            ),
+                            _ => (),
+                        }
+                    }
+                }
+            }
+        }
+
+        board
+    }
+
+    pub fn place_circle(
+        board: &mut Board,
+        place: PointWithRotation,
+        pin: PointWithRotation,
+        radius: u64,
+        flip: bool,
+    ) {
+        let pos = Self::pos(place, pin, 0.0, 0.0, flip);
+
+        board.add_joint(Joint {
+            position: [pos.x, pos.y],
+            layer: 0,
+            radius,
+        });
+    }
+
+    fn pos(
+        place: PointWithRotation,
+        pin: PointWithRotation,
+        x: f64,
+        y: f64,
+        flip: bool,
+    ) -> Vector2<i64> {
+        let pos = (Vector2::new(x, y) + Vector2::new(pin.pos.x(), pin.pos.y()))
+            .rotate_around_point_degrees(pin.rot, Vector2::new(pin.pos.x(), pin.pos.y()));
+        let pos = (Vector2::new(place.pos.x(), place.pos.y())
+            + flip.then_some(Vector2::new(-pos.x, pos.y)).unwrap_or(pos))
+        .rotate_around_point_degrees(place.rot, Vector2::new(place.pos.x(), place.pos.y()));
+
+        Vector2::new(pos.x as i64, pos.y as i64)
     }
 }