From a3cbcb1b0be1fdc5cfea4225b9df375ad89b96ef Mon Sep 17 00:00:00 2001
From: Thea Flowers <thea@winterbloom.com>
Date: Sat, 28 Oct 2023 21:52:03 -0400
Subject: [PATCH] Copy schematic sheet pin's position during painting to avoid
 repeated modifications. Fixes #19.

---
 src/kicad/common.ts              | 8 ++++++++
 src/viewers/schematic/painter.ts | 2 +-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/kicad/common.ts b/src/kicad/common.ts
index d888f5e7..89842a11 100644
--- a/src/kicad/common.ts
+++ b/src/kicad/common.ts
@@ -88,6 +88,14 @@ export class At {
             this.unlocked = parsed.unlocked ?? this.unlocked;
         }
     }
+
+    copy() {
+        const at = new At();
+        at.position = this.position.copy();
+        at.rotation = this.rotation;
+        at.unlocked = this.unlocked;
+        return at;
+    }
 }
 
 export const PaperSize = {
diff --git a/src/viewers/schematic/painter.ts b/src/viewers/schematic/painter.ts
index c3d2be62..47672a1e 100644
--- a/src/viewers/schematic/painter.ts
+++ b/src/viewers/schematic/painter.ts
@@ -551,7 +551,7 @@ class SchematicSheetPainter extends SchematicItemPainter {
         if (layer.name == LayerNames.label) {
             for (const pin of ss.pins) {
                 const label = new schematic_items.HierarchicalLabel();
-                label.at = pin.at;
+                label.at = pin.at.copy();
                 label.effects = pin.effects;
                 label.text = pin.name;
                 label.shape = pin.shape;