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-rw-r--r--libs/canvas/types.cc4
1 files changed, 2 insertions, 2 deletions
diff --git a/libs/canvas/types.cc b/libs/canvas/types.cc
index 7d7a495df5..9d8ed05622 100644
--- a/libs/canvas/types.cc
+++ b/libs/canvas/types.cc
@@ -95,8 +95,8 @@ Rect
Rect::expand (Distance amount) const
{
Rect r;
- r.x0 = x0 - amount;
- r.y0 = y0 - amount;
+ r.x0 = max (0.0, x0 - amount);
+ r.y0 = max (0.0, y0 - amount);
r.x1 = safe_add (x1, amount);
r.y1 = safe_add (y1, amount);
return r;