Fix crash when draw 0 alpha on 0 alpha

2026-02-10 18:05:41 +08:00 · 2023-06-13 18:06:40 +03:00
parent 2d07e41ccf
commit ae2ab76803
1 changed files with 3 additions and 0 deletions
--- a/DesktopEditor/agg-2.4/include/agg_pixfmt_rgba.h
+++ b/DesktopEditor/agg-2.4/include/agg_pixfmt_rgba.h
@ -189,6 +189,9 @@ namespace agg
 										 unsigned alpha,
 										 unsigned cover=0)
 		{
+			if (0 == alpha)
+				return;
+
 			calc_type r = p[Order::R];
 			calc_type g = p[Order::G];
 			calc_type b = p[Order::B];