From 4382c2f0888975f1c50a9fd3380e6d543e3f8664 Mon Sep 17 00:00:00 2001
From: Ari Lemmetti <ari.lemmetti@gmail.com>
Date: Thu, 15 Jan 2015 15:36:40 +0200
Subject: [PATCH] Added missing -1 to PIXEL_MAX macro

---
 src/global.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/global.h b/src/global.h
index 773d2560..f50cb1da 100644
--- a/src/global.h
+++ b/src/global.h
@@ -44,7 +44,7 @@
 
 #define BIT_DEPTH 8
 #define PIXEL_MIN 0
-#define PIXEL_MAX (1 << BIT_DEPTH)
+#define PIXEL_MAX ((1 << BIT_DEPTH) - 1)
 
 #if BIT_DEPTH == 8
 typedef uint8_t pixel;