From 351ef57494f19d3a4a4a00b0528bcc2bbcc1a82b Mon Sep 17 00:00:00 2001
From: dgp <dgp@users.sourceforge.net>
Date: Fri, 10 Jun 2011 17:18:58 +0000
Subject: [Bug 3175610]: Incomplete refresh of line items.

---
 ChangeLog            | 5 +++++
 generic/tkCanvLine.c | 7 +++++--
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 6584204..a6495e1 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2011-06-10  Don Porter  <dgp@users.sourceforge.net>
+
+	* generic/tkCanvLine.c: [Bug 3175610] Incomplete refresh of line item.
+	Backport of 2011-03-03 trunk commit from Alexandre Ferrieux.
+
 2011-06-06  Don Porter  <dgp@users.sourceforge.net>
 
 	* generic/tkConsole.c:	Restore proper NUL output to the [console].
diff --git a/generic/tkCanvLine.c b/generic/tkCanvLine.c
index 0a08922..747e42c 100644
--- a/generic/tkCanvLine.c
+++ b/generic/tkCanvLine.c
@@ -1031,9 +1031,12 @@ LineInsert(canvas, itemPtr, beforeThis, obj)
     for(i=beforeThis; i<length; i++) {
 	new[i+objc] = linePtr->coordPtr[i];
     }
-    if(linePtr->coordPtr) ckfree((char *)linePtr->coordPtr);
+    if (linePtr->coordPtr) {
+	ckfree((char *) linePtr->coordPtr);
+    }
     linePtr->coordPtr = new;
-    linePtr->numPoints = (length + objc)/2;
+    length += objc;
+    linePtr->numPoints = length / 2;
 
     if ((length>3) && (state != TK_STATE_HIDDEN)) {
 	/*
-- 
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