From f887cf0f055482d19aa0e69efc24d51a3482cd07 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?G=C3=A9=20van=20Geldorp?= <ge@gse.nl>
Date: Thu, 23 Jun 2005 17:54:22 +0000
Subject: [PATCH] Don't draw 0-width HLine

svn path=/trunk/; revision=16247
---
 reactos/subsys/win32k/eng/lineto.c | 20 +++++++++++---------
 1 file changed, 11 insertions(+), 9 deletions(-)

diff --git a/reactos/subsys/win32k/eng/lineto.c b/reactos/subsys/win32k/eng/lineto.c
index 0e7e9538739..671e2539f35 100644
--- a/reactos/subsys/win32k/eng/lineto.c
+++ b/reactos/subsys/win32k/eng/lineto.c
@@ -418,16 +418,18 @@ EngLineTo(SURFOBJ *DestObj,
 	  EnumMore = CLIPOBJ_bEnum(Clip, (ULONG) sizeof(RectEnum), (PVOID) &RectEnum);
 	  for (i = 0; i < RectEnum.c && RectEnum.arcl[i].top + Translate.y <= y1; i++)
 	    {
-	      if (y1 < RectEnum.arcl[i].bottom + Translate.y &&
-	          RectEnum.arcl[i].left + Translate.x <= hx + deltax &&
-	          hx < RectEnum.arcl[i].right + Translate.x)
-		{
-		  DibFunctionsForBitmapFormat[OutputObj->iBitmapFormat].DIB_HLine(
+              if (y1 < RectEnum.arcl[i].bottom + Translate.y &&
+                  RectEnum.arcl[i].left + Translate.x <= hx + deltax &&
+                  hx < RectEnum.arcl[i].right + Translate.x &&
+                  max(hx, RectEnum.arcl[i].left + Translate.x) <
+                  min(hx + deltax, RectEnum.arcl[i].right + Translate.x))
+                {
+                  DibFunctionsForBitmapFormat[OutputObj->iBitmapFormat].DIB_HLine(
                                        OutputObj,
-		                       max(hx, RectEnum.arcl[i].left + Translate.x),
-		                       min(hx + deltax, RectEnum.arcl[i].right + Translate.x),
-		                       y1, Pixel);
-		}
+                                       max(hx, RectEnum.arcl[i].left + Translate.x),
+                                       min(hx + deltax, RectEnum.arcl[i].right + Translate.x),
+                                       y1, Pixel);
+               	}
 	    }
 	}
       while (EnumMore);