From f98b7ce1edeb68cd73b4e4b8a288d66d0ed9fa97 Mon Sep 17 00:00:00 2001
From: Alex Szpakowski <slime73@gmail.com>
Date: Sun, 18 Dec 2016 00:09:11 -0400
Subject: [PATCH] Fix ImageData:paste.

--HG--
branch : minor
---
 src/modules/image/ImageData.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/modules/image/ImageData.cpp b/src/modules/image/ImageData.cpp
index 60c222511..7b21d8e3a 100644
--- a/src/modules/image/ImageData.cpp
+++ b/src/modules/image/ImageData.cpp
@@ -160,7 +160,11 @@ void ImageData::paste(ImageData *src, int dx, int dy, int sx, int sy, int sw, in
 	{
 		// Otherwise, copy each row individually.
 		for (int i = 0; i < sh; i++)
-			memcpy(d + dx + (i + dy) * getWidth(), s + (sx + (i + sy) * src->getWidth()) * pixelsize, pixelsize * sw);
+		{
+			const uint8 *rowsrc = s + (sx + (i + sy) * src->getWidth()) * pixelsize;
+			uint8 *rowdst = d + (dx + (i + dy) * getWidth()) * pixelsize;
+			memcpy(rowdst, rowsrc, pixelsize * sw);
+		}
 	}
 }