From 0bb6f3497d0f011458823b369f6d6cb84a914c36 Mon Sep 17 00:00:00 2001
From: Nicolas Bacca
Date: Mon, 21 Jul 2003 12:50:20 +0000
Subject: Fix 774982

svn-id: r9107
---
 backends/wince/wince.cpp | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

(limited to 'backends/wince')

diff --git a/backends/wince/wince.cpp b/backends/wince/wince.cpp
index 100a339ba4..ab12d86559 100644
--- a/backends/wince/wince.cpp
+++ b/backends/wince/wince.cpp
@@ -1445,6 +1445,26 @@ void OSystem_WINCE3::copy_rect(const byte *buf, int pitch, int x, int y, int w,
 	if (!hide_cursor && _mouse_drawn)
 		undraw_mouse();
 
+	/* Clip */
+	if (x < 0) {
+		w += x;
+		buf -= x;
+		x = 0;
+	}
+	if (y < 0) {
+		h += y;
+		buf -= y * pitch;
+		y = 0;
+	}
+	if (w > _screenWidth - x)
+		w = _screenWidth - x;
+
+	if (h > _screenHeight - y)
+		h = _screenHeight - y;
+
+	if (w <= 0 || h <= 0)
+		return;
+
 	AddDirtyRect(x, y, w, h);
 
 	if (x == 0 && y == 0 && w == _screenWidth && h == _screenHeight) {
-- 
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