include alpha-delta computation in HSV::delta()

2014-12-05 09:00:36 -05:00 · 2014-12-05 09:00:36 -05:00 · 207fd04587
commit 207fd04587
parent d0a18a8c35
1 changed files with 1 additions and 0 deletions
--- a/libs/canvas/colors.cc
+++ b/libs/canvas/colors.cc
@ -376,6 +376,7 @@ HSV::delta (const HSV& other) const
 		d.s = s - other.s;
 		d.v = v - other.v;
 	}
+	d.a = a - other.a;
 	/* do not clamp - we are returning a delta */
 	return d;
 }