From afba4c2a2d43049585e8b2b26f6369d716e5fd89 Mon Sep 17 00:00:00 2001
From: Yegor Kozlov <yegor@apache.org>
Date: Sun, 25 Nov 2012 11:53:50 +0000
Subject: [PATCH] Bugzilla 54188 - Avoid NPE in PPT2PNG

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1413339 13f79535-47bb-0310-9956-ffa450edef68
---
 src/documentation/content/xdocs/status.xml           |  1 +
 .../src/org/apache/poi/hslf/model/Freeform.java      |  5 +++++
 .../org/apache/poi/hslf/model/TestFreeform.java      | 12 ++++++++++++
 3 files changed, 18 insertions(+)

diff --git a/src/documentation/content/xdocs/status.xml b/src/documentation/content/xdocs/status.xml
index f4ae431eee..cd23b88fed 100644
--- a/src/documentation/content/xdocs/status.xml
+++ b/src/documentation/content/xdocs/status.xml
@@ -34,6 +34,7 @@
 
     <changes>
         <release version="3.9-beta1" date="2012-??-??">
+          <action dev="poi-developers" type="fix">54188 - Avoid NPE in PPT2PNG</action>
           <action dev="poi-developers" type="fix">52628 - Replace System.err info messages with a POILogger</action>
           <action dev="poi-developers" type="fix">54137 - improved performance of DataFormatter with Fractions</action>
           <action dev="poi-developers" type="fix">54099 - Ensure that CTHMerge and CTTcBorders go to poi-ooxml-schemas jar</action>
diff --git a/src/scratchpad/src/org/apache/poi/hslf/model/Freeform.java b/src/scratchpad/src/org/apache/poi/hslf/model/Freeform.java
index 97c818e519..10c468ced7 100644
--- a/src/scratchpad/src/org/apache/poi/hslf/model/Freeform.java
+++ b/src/scratchpad/src/org/apache/poi/hslf/model/Freeform.java
@@ -244,6 +244,11 @@ public final class Freeform extends AutoShape {
 
     public java.awt.Shape getOutline(){
         GeneralPath path =  getPath();
+        if(path == null) {
+            // return empty path if either GEOMETRY__VERTICES or GEOMETRY__SEGMENTINFO is missing, see Bugzilla 54188
+            return new GeneralPath();
+        }
+
         Rectangle2D anchor = getAnchor2D();
         Rectangle2D bounds = path.getBounds2D();
         AffineTransform at = new AffineTransform();
diff --git a/src/scratchpad/testcases/org/apache/poi/hslf/model/TestFreeform.java b/src/scratchpad/testcases/org/apache/poi/hslf/model/TestFreeform.java
index 73e31e5755..6ff4870386 100644
--- a/src/scratchpad/testcases/org/apache/poi/hslf/model/TestFreeform.java
+++ b/src/scratchpad/testcases/org/apache/poi/hslf/model/TestFreeform.java
@@ -71,4 +71,16 @@ public final class TestFreeform extends TestCase {
         java.awt.Shape path2 = p.getOutline();
         assertTrue(new Area(path1).equals(new Area(path2)));
    }
+
+    /**
+     * Avoid NPE in  Freeform.getOutline() if either GEOMETRY__VERTICES or
+     * GEOMETRY__SEGMENTINFO is missing, see Bugzilla 54188
+     */
+    public void test54188() {
+
+        Freeform p = new Freeform();
+        GeneralPath path = (GeneralPath)p.getOutline();
+        GeneralPath emptyPath = new GeneralPath();
+        assertEquals(emptyPath.getBounds2D(), path.getBounds2D());
+    }
 }
-- 
2.39.5