From 24df295328dc118bd1dcf03abaf9c68c665a7ab6 Mon Sep 17 00:00:00 2001
From: md5
Date: Thu, 10 Mar 2011 21:50:06 +0200
Subject: SCI: Made some checks inside unditherBitmap() more understandable

---
 engines/sci/graphics/view.cpp | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

(limited to 'engines/sci/graphics/view.cpp')

diff --git a/engines/sci/graphics/view.cpp b/engines/sci/graphics/view.cpp
index e637159174..402a69dc04 100644
--- a/engines/sci/graphics/view.cpp
+++ b/engines/sci/graphics/view.cpp
@@ -593,12 +593,8 @@ void GfxView::unditherBitmap(byte *bitmapPtr, int16 width, int16 height, byte cl
 	if (!ditheredPicColors)
 		return;
 
-	// Makes no sense to process bitmaps that are 3 pixels wide or less
-	if (width <= 3)
-		return;
-
-	// We need at least 2 pixel lines
-	if (height < 2)
+	// We need at least a 4x2 bitmap for this algorithm to work
+	if (width < 4 || height < 2)
 		return;
 
 	// If EGA mapping is used for this view, dont do undithering as well
-- 
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