From 903569cab8ae8bc850a989fb57c69e6fd873dd08 Mon Sep 17 00:00:00 2001
From: Daniel
Date: Fri, 26 Apr 2019 05:23:19 +0100
Subject: GRAPHICS: Fix ManagedSurface dirty rects when drawing lines

Fixes an invalidRect assert when drawing lines which don't go from top-left to bottom-right.
---
 graphics/managed_surface.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'graphics/managed_surface.h')

diff --git a/graphics/managed_surface.h b/graphics/managed_surface.h
index a7cf70f857..a11d05c557 100644
--- a/graphics/managed_surface.h
+++ b/graphics/managed_surface.h
@@ -317,7 +317,7 @@ public:
 	 */
 	void drawLine(int x0, int y0, int x1, int y1, uint32 color) {
 		_innerSurface.drawLine(x0, y0, x1, y1, color);
-		addDirtyRect(Common::Rect(x0, y0, x1, y1));
+		addDirtyRect(Common::Rect(MIN(x0, x1), MIN(y0, y1), MAX(x0, x1), MAX(y0, y1)));
 	}
 
 	/**
@@ -325,7 +325,7 @@ public:
 	 */
 	void drawThickLine(int x0, int y0, int x1, int y1, int penX, int penY, uint32 color) {
 		_innerSurface.drawThickLine(x0, y0, x1, y1, penX, penY, color);
-		addDirtyRect(Common::Rect(x0, y0, x1 + penX, y1 + penY));
+		addDirtyRect(Common::Rect(MIN(x0, x1 + penX), MIN(y0, y1 + penY), MAX(x0, x1 + penX), MAX(y0, y1 + penY)));
 	}
 
 	/**
-- 
cgit v1.2.3