From 5f32a2c3b60a2ad08de417a01a56074134d573d9 Mon Sep 17 00:00:00 2001
From: Max Horn
Date: Tue, 8 Nov 2005 22:15:49 +0000
Subject: Fix for ScummEngine::drawStripToScreen: do nothing if height is
 negative

svn-id: r19519
---
 scumm/gfx.cpp | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'scumm')

diff --git a/scumm/gfx.cpp b/scumm/gfx.cpp
index 761cd5982b..f56562d8cd 100644
--- a/scumm/gfx.cpp
+++ b/scumm/gfx.cpp
@@ -534,6 +534,9 @@ void ScummEngine::drawStripToScreen(VirtScreen *vs, int x, int width, int top, i
 	int y = vs->topline + top - _screenTop;
 	int height = bottom - top;
 	
+	if (height <= 0)
+		return;
+	
 	// Compute screen etc. buffer pointers
 	const byte *src = vs->getPixels(x, top);
 	byte *dst = _compositeBuf + x + y * _screenWidth;
-- 
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