From f976cddcbac02d2e58a92990e59ffe621e035890 Mon Sep 17 00:00:00 2001
From: frosch <frosch@openttd.org>
Date: Thu, 5 May 2011 20:20:52 +0000
Subject: [PATCH] (svn r22426) -Fix (r22291): Drawing vertical and horizontal
 lines of width 1 missed drawing the first pixel.

---
 src/blitter/base.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/blitter/base.cpp b/src/blitter/base.cpp
index 1e6afdad51..cbaea29f9f 100644
--- a/src/blitter/base.cpp
+++ b/src/blitter/base.cpp
@@ -63,7 +63,7 @@ void Blitter::DrawLine(void *video, int x, int y, int x2, int y2, int screen_wid
 			frac_low += dx;
 			y_low -= stepy;
 		}
-		while (frac_high - dx / 2 > 0) {
+		while (frac_high - dx / 2 >= 0) {
 			frac_high -= dx;
 			y_high += stepy;
 		}
@@ -97,7 +97,7 @@ void Blitter::DrawLine(void *video, int x, int y, int x2, int y2, int screen_wid
 			frac_low += dy;
 			x_low -= stepx;
 		}
-		while (frac_high - dy / 2 > 0) {
+		while (frac_high - dy / 2 >= 0) {
 			frac_high -= dy;
 			x_high += stepx;
 		}