From 64f825465de9fa30c4dfe2707067efdb96110db8 Mon Sep 17 00:00:00 2001
From: Elizabeth Hunt <me@liz.coffee>
Date: Thu, 23 Oct 2025 21:59:37 -0700
Subject: Init

---
 .../liz/abstractionengine/ui/PCBBackground.kt      | 85 ++++++++++++++++++++++
 1 file changed, 85 insertions(+)
 create mode 100644 composeApp/src/commonMain/kotlin/coffee/liz/abstractionengine/ui/PCBBackground.kt

(limited to 'composeApp/src/commonMain/kotlin/coffee/liz/abstractionengine/ui/PCBBackground.kt')

diff --git a/composeApp/src/commonMain/kotlin/coffee/liz/abstractionengine/ui/PCBBackground.kt b/composeApp/src/commonMain/kotlin/coffee/liz/abstractionengine/ui/PCBBackground.kt
new file mode 100644
index 0000000..be35a1a
--- /dev/null
+++ b/composeApp/src/commonMain/kotlin/coffee/liz/abstractionengine/ui/PCBBackground.kt
@@ -0,0 +1,85 @@
+package coffee.liz.abstractionengine.ui
+
+import androidx.compose.foundation.Canvas
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.geometry.Offset
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.graphics.PathEffect
+
+@Composable
+fun PCBBackground(modifier: Modifier = Modifier) {
+    val pcbGreen = Color(0xFF0D5F0D)
+    val traceColor = Color(0xFF1A7F1A)
+    val padColor = Color(0xFFD4AF37)
+
+    Canvas(modifier = modifier.fillMaxSize().background(pcbGreen)) {
+        val width = size.width
+        val height = size.height
+
+        // Draw circuit traces (horizontal and vertical lines)
+        val pathEffect = PathEffect.dashPathEffect(floatArrayOf(10f, 5f), 0f)
+
+        // Horizontal traces
+        for (i in 0..15) {
+            val y = (i * height / 15)
+            drawLine(
+                color = traceColor,
+                start = Offset(0f, y),
+                end = Offset(width, y),
+                strokeWidth = 2f,
+                pathEffect = pathEffect
+            )
+        }
+
+        // Vertical traces
+        for (i in 0..10) {
+            val x = (i * width / 10)
+            drawLine(
+                color = traceColor,
+                start = Offset(x, 0f),
+                end = Offset(x, height),
+                strokeWidth = 2f,
+                pathEffect = pathEffect
+            )
+        }
+
+        // Draw pads/components (small circles at intersections)
+        for (i in 0..10 step 2) {
+            for (j in 0..15 step 3) {
+                val x = i * width / 10
+                val y = j * height / 15
+                drawCircle(
+                    color = padColor,
+                    radius = 4f,
+                    center = Offset(x, y)
+                )
+            }
+        }
+
+        // Draw some resistor-like rectangles
+        for (i in 1..9 step 4) {
+            val x = i * width / 10
+            val y = height / 2
+            drawRect(
+                color = Color(0xFF2A4A2A),
+                topLeft = Offset(x - 15f, y - 8f),
+                size = androidx.compose.ui.geometry.Size(30f, 16f)
+            )
+            // Resistor contacts
+            drawCircle(
+                color = padColor,
+                radius = 3f,
+                center = Offset(x - 15f, y)
+            )
+            drawCircle(
+                color = padColor,
+                radius = 3f,
+                center = Offset(x + 15f, y)
+            )
+        }
+    }
+}
-- 
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