From 996aa5aa5d6fca18e46c0f25c7f25589a1d85003 Mon Sep 17 00:00:00 2001
From: hobbs <hobbs>
Date: Sun, 11 May 2003 00:57:09 +0000
Subject: 	* generic/tkCanvPoly.c (PolygonToPostscript): 	*
 tests/canvPs.test: correct crash when generating postscript for 	a
 single-line polygon (point) with no color. [Bug #734498] (wilm)

---
 ChangeLog            |  6 ++++++
 generic/tkCanvPoly.c |  9 ++++++---
 tests/canvPs.test    | 22 ++++++++--------------
 3 files changed, 20 insertions(+), 17 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 21a7b87..3f23e28 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2003-05-10  Jeff Hobbs  <jeffh@ActiveState.com>
+
+	* generic/tkCanvPoly.c (PolygonToPostscript):
+	* tests/canvPs.test: correct crash when generating postscript for
+	a single-line polygon (point) with no color. [Bug #734498] (wilm)
+
 2003-04-30  Jeff Hobbs  <jeffh@ActiveState.com>
 
 	* macosx/tkMacOSXButton.c (TkpDisplayButton): correct typo for
diff --git a/generic/tkCanvPoly.c b/generic/tkCanvPoly.c
index 5058b9f..2b5f036 100644
--- a/generic/tkCanvPoly.c
+++ b/generic/tkCanvPoly.c
@@ -10,7 +10,7 @@
  * See the file "license.terms" for information on usage and redistribution
  * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
  *
- * RCS: @(#) $Id: tkCanvPoly.c,v 1.10 2003/02/09 07:48:22 hobbs Exp $
+ * RCS: @(#) $Id: tkCanvPoly.c,v 1.10.2.1 2003/05/11 00:57:09 hobbs Exp $
  */
 
 #include <stdio.h>
@@ -1852,13 +1852,16 @@ PolygonToPostscript(interp, canvas, itemPtr, prepass)
     }
     if (polyPtr->numPoints==2) {
 	char string[128];
+	if (color == NULL) {
+	    return TCL_OK;
+	}
+
 	sprintf(string, "%.15g %.15g translate %.15g %.15g",
 		polyPtr->coordPtr[0], Tk_CanvasPsY(canvas, polyPtr->coordPtr[1]),
 		width/2.0, width/2.0);
 	Tcl_AppendResult(interp, "matrix currentmatrix\n",string,
 		" scale 1 0 moveto 0 0 1 0 360 arc\nsetmatrix\n", (char *) NULL);
-	if (Tk_CanvasPsColor(interp, canvas, color)
-		!= TCL_OK) {
+	if (Tk_CanvasPsColor(interp, canvas, color) != TCL_OK) {
 	    return TCL_ERROR;
 	}
 	if (stipple != None) {
diff --git a/tests/canvPs.test b/tests/canvPs.test
index 8ab93a0..cc0f39b 100644
--- a/tests/canvPs.test
+++ b/tests/canvPs.test
@@ -6,7 +6,7 @@
 # Copyright (c) 1998-1999 by Scriptics Corporation.
 # All rights reserved.
 #
-# RCS: @(#) $Id: canvPs.test,v 1.5 2002/10/10 07:25:24 hobbs Exp $
+# RCS: @(#) $Id: canvPs.test,v 1.5.2.1 2003/05/11 00:57:10 hobbs Exp $
 
 package require tcltest 2.1
 namespace import -force tcltest::configure
@@ -124,22 +124,16 @@ test canvPs-3.2 {test ps generation with an embedded window not mapped} {} {
     file exists bar.ps
 } 1
 
+test canvPs-4.1 {test ps generation with single-point uncolored poly, bug 734498} {} {
+    destroy .c
+    pack [canvas .c]
+    .c create poly 10 20 10 20
+    catch {.c postscript}
+} 0
+
 # cleanup
 removeFile foo.ps
 removeFile bar.ps
 deleteWindows
 ::tcltest::cleanupTests
 return
-
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-- 
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