From: Holger Schemel <info@artsoft.org>
Date: Sat, 19 Mar 2016 21:18:18 +0000 (+0100)
Subject: fixed bug with drawing masked borders for off-screen viewports
X-Git-Tag: 4.0.0.0-rc1~43
X-Git-Url: https://git.artsoft.org/?a=commitdiff_plain;h=aafc5189b2b9550dd03dfcc7213e28bec2bca63b;p=rocksndiamonds.git

fixed bug with drawing masked borders for off-screen viewports
---

diff --git a/src/tools.c b/src/tools.c
index f1aa666e..2a36ee41 100644
--- a/src/tools.c
+++ b/src/tools.c
@@ -293,6 +293,9 @@ static void DrawMaskedBorderExt_Rect(int x, int y, int width, int height,
 {
   Bitmap *bitmap = getGlobalBorderBitmapFromGameStatus();
 
+  if (x == -1 && y == -1)
+    return;
+
   if (blit_to_screen)
     BlitToScreenMasked(bitmap, x, y, width, height, x, y);
   else