Implement draw.py to draw rounded rectangles

2025-03-31 18:08:21 -04:00 · 2025-03-31 18:08:21 -04:00 · 0c841ec4e9
commit 0c841ec4e9
parent 0d1489d641
1 changed files with 29 additions and 0 deletions
--- a/lib/xmet/draw.py
+++ 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)