From 4dc016050c38b20c4b5075b534af8a77854c356d Mon Sep 17 00:00:00 2001
From: Martijn Versteegh <martijn@aaltjegron.nl>
Date: Thu, 22 Nov 2018 14:38:58 +0100
Subject: [PATCH] Fix color2int alpha handling (libgd alpha is 0-127)

---
 Image.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Image.cpp b/Image.cpp
index c84df37..c305456 100644
--- a/Image.cpp
+++ b/Image.cpp
@@ -19,7 +19,7 @@
 
 static inline int color2int(Color c)
 {
-	u8 a = 255 - c.a;
+	u8 a = (255 - c.a) * gdAlphaMax / 255;
 	return (a << 24) | (c.r << 16) | (c.g << 8) | c.b;
 }