From 05b2cc0e1e9b4ffb160f0edee947d793213bedc5 Mon Sep 17 00:00:00 2001
From: Matthias Schiffer <mschiffer@universe-factory.net>
Date: Tue, 3 Feb 2015 13:59:57 +0100
Subject: PNG: fix mipmapping of grayscale images

---
 src/PNG.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/PNG.cpp b/src/PNG.cpp
index 6f83fc5..9edf88c 100644
--- a/src/PNG.cpp
+++ b/src/PNG.cpp
@@ -139,7 +139,7 @@ static void readScaled(uint8_t *data, size_t offset_w, size_t offset_h, const ch
 }
 
 void mipmap(const char *output, size_t width, size_t height, bool colored, const char *nw, const char *ne, const char *sw, const char *se) {
-	uint8_t data[4*width*height];
+	uint8_t data[(colored ? 4 : 2)*width*height];
 	std::memset(data, 0, sizeof(data));
 
 	readScaled(data, 0, 0, nw, width, height, colored);
-- 
cgit v1.2.3