From 31180e79813f5e654a7b2ca7d740074d8e99d1d2 Mon Sep 17 00:00:00 2001
From: Johannes Schickel
Date: Fri, 16 Nov 2007 23:39:14 +0000
Subject: Added assert for bit depth in Surface::move.

svn-id: r29522
---
 graphics/surface.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/graphics/surface.cpp b/graphics/surface.cpp
index 290bef6263..bc815c360f 100644
--- a/graphics/surface.cpp
+++ b/graphics/surface.cpp
@@ -163,6 +163,9 @@ void Surface::frameRect(const Common::Rect &r, uint32 color) {
 // to support 16bpp (or marked as just working for 8bpp
 // surfaces).
 void Surface::move(int dx, int dy, int height) {
+	// This function currently just works with 8bpp surfaces
+	assert(bytesPerPixel == 1);
+
 	// Short circuit check - do we have to do anything anyway?
 	if ((dx == 0 && dy == 0) || height <= 0)
 		return;
-- 
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