[Scummvm-cvs-logs] CVS: scummvm/backends/sdl sdl-common.cpp,1.45,1.45.2.1

[Max Horn]

Update of /cvsroot/scummvm/scummvm/backends/sdl
In directory sc8-pr-cvs1:/tmp/cvs-serv28983

Modified Files:
      Tag: branch-0-4-0
	sdl-common.cpp 
Log Message:
applied fix from trunk

Index: sdl-common.cpp
===================================================================
RCS file: /cvsroot/scummvm/scummvm/backends/sdl/sdl-common.cpp,v
retrieving revision 1.45
retrieving revision 1.45.2.1
diff -u -d -r1.45 -r1.45.2.1
--- sdl-common.cpp	1 May 2003 12:42:46 -0000	1.45
+++ sdl-common.cpp	18 May 2003 19:34:06 -0000	1.45.2.1
@@ -225,8 +225,9 @@
 			copy_rect((byte *)_screen->pixels + _screenWidth * (y - dy), _screenWidth, 0, y, _screenWidth, 1);
 	} else if (dy < 0) {
 		// move up - copy from top to bottom
+		dy = -dy;
 		for (y = dy; y < height; y++)
-			copy_rect((byte *)_screen->pixels + _screenWidth * (y - dy), _screenWidth, 0, y, _screenWidth, 1);
+			copy_rect((byte *)_screen->pixels + _screenWidth * y, _screenWidth, 0, y - dy, _screenWidth, 1);
 	}
 
 	// horizontal movement
@@ -236,8 +237,9 @@
 			copy_rect((byte *)_screen->pixels + x - dx, _screenWidth, x, 0, 1, height);
 	} else if (dx < 0)  {
 		// move left - copy from left to right
+		dx = -dx;
 		for (x = dx; x < _screenWidth; x++)
-			copy_rect((byte *)_screen->pixels + x - dx, _screenWidth, x, 0, 1, height);
+			copy_rect((byte *)_screen->pixels + x, _screenWidth, x - dx, 0, 1, height);
 	}
 }