From 2dee56a1366749deac1e0f78080ffcd60c5295a2 Mon Sep 17 00:00:00 2001
From: g_j_m <g_j_m@c8812cc2-4d05-0410-92ff-de0c093fc19c>
Date: Wed, 23 Mar 2005 01:05:02 +0000
Subject: [PATCH] Bug fix for X11 zoom bug fix (zoom in enough and lines would
 disappear from the screen when they shouldn't of).

git-svn-id: http://svn.osgeo.org/qgis/trunk@3007 c8812cc2-4d05-0410-92ff-de0c093fc19c
---
 src/qgsmaptopixel.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/qgsmaptopixel.cpp b/src/qgsmaptopixel.cpp
index 47d150ae187..6d8ed24e28b 100644
--- a/src/qgsmaptopixel.cpp
+++ b/src/qgsmaptopixel.cpp
@@ -268,7 +268,8 @@ bool QgsMapToPixel::trimLine(const QgsPoint& from, const QgsPoint& to,
     }
     // If the line hasn't been trimmed yet, it is entirely outside the
     // boundary, so tell the calling code.
-    return false;
+    if (!toDone && !fromDone)
+      return false;
   }
   else
   {
@@ -278,7 +279,7 @@ bool QgsMapToPixel::trimLine(const QgsPoint& from, const QgsPoint& to,
   }
 
   // Too verbose for QGISDEBUG, but handy sometimes.
-  /*
+  /*  
   std::cerr << "Point 1 trimmed from " << from.x() << ", " << from.y() 
 	    << " to " << tFrom.x() << ", " << tFrom.y() << '\n'
 	    << "Point 2 trimmed from " << to.x() << ", " << to.y()