From 0c841ec4e9a05fb0229830ecfeb12ef4e2d56d76 Mon Sep 17 00:00:00 2001
From: XANTRONIX Industrial <xan@xantronix.com>
Date: Mon, 31 Mar 2025 18:08:21 -0400
Subject: [PATCH] Implement draw.py to draw rounded rectangles

---
 lib/xmet/draw.py | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 lib/xmet/draw.py

diff --git a/lib/xmet/draw.py b/lib/xmet/draw.py
new file mode 100644
index 0000000..a13d15c
--- /dev/null
+++ b/lib/xmet/draw.py
@@ -0,0 +1,29 @@
+import math
+import cairo
+
+def draw_rounded_rect(cr: cairo.Context,
+                      x: float,
+                      y: float,
+                      width: float,
+                      height: float,
+                      radius: float):
+    rect_width  = width  - 2 * radius
+    rect_height = height - 2 * radius
+
+    # Upper right
+    cr.arc(x + radius + rect_width, y + radius, radius,
+           -math.pi / 2, 0)
+
+    # Lower right
+    cr.arc(x + radius + rect_width, y + radius + rect_height, radius,
+           0, math.pi / 2)
+
+    # Lower left
+    cr.arc(x + radius, y + radius + rect_height, radius,
+           math.pi / 2, math.pi)
+
+    # Upper right
+    cr.arc(x + radius, y + radius, radius,
+           math.pi, math.pi * 1.5)
+
+    cr.line_to(x + radius + rect_width, y)