From f89c2115397625fc9194f676eb7e0feb9a03ee95 Mon Sep 17 00:00:00 2001
From: Yegor Kozlov <yegor@apache.org>
Date: Thu, 24 May 2007 12:09:34 +0000
Subject: [PATCH] fixed bug 42484: NullPointerException from
 ShapeGroup.getAnchor()

git-svn-id: https://svn.apache.org/repos/asf/jakarta/poi/trunk@541281 13f79535-47bb-0310-9956-ffa450edef68
---
 .../org/apache/poi/hslf/model/ShapeGroup.java | 18 +++++++++++++++
 .../apache/poi/hslf/usermodel/TestBugs.java   | 23 +++++++++++++++++++
 2 files changed, 41 insertions(+)

diff --git a/src/scratchpad/src/org/apache/poi/hslf/model/ShapeGroup.java b/src/scratchpad/src/org/apache/poi/hslf/model/ShapeGroup.java
index 8519e88af3..caea86ae6e 100644
--- a/src/scratchpad/src/org/apache/poi/hslf/model/ShapeGroup.java
+++ b/src/scratchpad/src/org/apache/poi/hslf/model/ShapeGroup.java
@@ -179,4 +179,22 @@ public class ShapeGroup extends Shape{
         }
     }
 
+    /**
+     * Returns the anchor (the bounding box rectangle) of this shape group.
+     * All coordinates are expressed in points (72 dpi).
+     *
+     * @return the anchor of this shape group
+     */
+    public java.awt.Rectangle getAnchor(){
+        EscherContainerRecord groupInfoContainer = (EscherContainerRecord)_escherContainer.getChild(0);
+        EscherSpgrRecord spgr = (EscherSpgrRecord)getEscherChild(groupInfoContainer, EscherSpgrRecord.RECORD_ID);
+        java.awt.Rectangle anchor=null;
+
+        anchor = new java.awt.Rectangle();
+        anchor.x = spgr.getRectX1()*POINT_DPI/MASTER_DPI;
+        anchor.y = spgr.getRectY1()*POINT_DPI/MASTER_DPI;
+        anchor.width = (spgr.getRectX2() - spgr.getRectX1())*POINT_DPI/MASTER_DPI;
+        anchor.height = (spgr.getRectY2() - spgr.getRectY1())*POINT_DPI/MASTER_DPI;
+        return anchor;
+    }
 }
diff --git a/src/scratchpad/testcases/org/apache/poi/hslf/usermodel/TestBugs.java b/src/scratchpad/testcases/org/apache/poi/hslf/usermodel/TestBugs.java
index 89f97959d7..21540fb5e1 100644
--- a/src/scratchpad/testcases/org/apache/poi/hslf/usermodel/TestBugs.java
+++ b/src/scratchpad/testcases/org/apache/poi/hslf/usermodel/TestBugs.java
@@ -140,4 +140,27 @@ public class TestBugs extends TestCase {
         }
     }
 
+    /**
+     * Bug 42484: NullPointerException from ShapeGroup.getAnchor()
+     */
+    public void test42484 () throws Exception {
+        FileInputStream is = new FileInputStream(new File(cwd, "42485.ppt")); //test file is the same as for bug 42485
+        HSLFSlideShow hslf = new HSLFSlideShow(is);
+        is.close();
+
+        SlideShow ppt = new SlideShow(hslf);
+        Shape[] shape = ppt.getSlides()[0].getShapes();
+        for (int i = 0; i < shape.length; i++) {
+            if(shape[i] instanceof ShapeGroup){
+                ShapeGroup  group = (ShapeGroup)shape[i];
+                assertNotNull(group.getAnchor());
+                Shape[] sh = group.getShapes();
+                for (int j = 0; j < sh.length; j++) {
+                    assertNotNull(sh[j].getAnchor());
+                }
+            }
+        }
+        assertTrue("No Exceptions while reading file", true);
+    }
+
 }
-- 
2.39.5