@@ -, +, @@ 
- useful information when resizing anchors.
- simply moved some code from XSLFPictureShape to XSLFPictureData
  and cache the values there.
---
 .../apache/poi/xslf/usermodel/XSLFPictureData.java |   34 ++++++++++++++++++++
 .../poi/xslf/usermodel/XSLFPictureShape.java       |   25 +++++++-------
 2 files changed, 47 insertions(+), 12 deletions(-)
--- a/src/ooxml/java/org/apache/poi/xslf/usermodel/XSLFPictureData.java	
+++ a/src/ooxml/java/org/apache/poi/xslf/usermodel/XSLFPictureData.java	
@@ -19,9 +19,12 @@ 
 
 package org.apache.poi.xslf.usermodel;
 
+import java.awt.Dimension;
+import java.awt.image.BufferedImage;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
+import javax.imageio.ImageIO;
 
 import org.apache.poi.POIXMLDocumentPart;
 import org.apache.poi.POIXMLException;
@@ -37,6 +40,9 @@ import org.apache.poi.util.IOUtils;
 @Beta
 public final class XSLFPictureData extends POIXMLDocumentPart implements PictureData {
     private Long checksum = null;
+
+    // original image dimensions (for formats supported by BufferedImage)
+    private Dimension _origSize = null;
     private int index = -1;
 
     /**
@@ -115,6 +121,32 @@ public final class XSLFPictureData extends POIXMLDocumentPart implements Picture
     }
 
     /**
+     * Return the original image dimensions
+     * (for formats supported by BufferedImage).
+     *
+     * Will return a Dimension with zero width/height if the format unsupported.
+     */
+    public Dimension getPictureDimension()
+    {
+        if (_origSize == null)
+        {
+            try
+            {
+                BufferedImage img = ImageIO.read(getInputStream());
+                _origSize = new Dimension(img.getWidth(), img.getHeight());
+            }
+            catch (Exception failed)
+            {
+                // failed to get information, set as zero size
+                _origSize = new Dimension();
+            }
+        }
+
+        return _origSize;
+    }
+
+
+    /**
      * *PictureData objects store the actual content in the part directly without keeping a
      * copy like all others therefore we need to handle them differently.
      */
@@ -134,6 +166,8 @@ public final class XSLFPictureData extends POIXMLDocumentPart implements Picture
         os.close();
         // recalculate now since we already have the data bytes available anyhow
         checksum = IOUtils.calculateChecksum(data);
+
+        _origSize = null; // need to recalculate image size
     }
 
     @Override
--- a/src/ooxml/java/org/apache/poi/xslf/usermodel/XSLFPictureShape.java	
+++ a/src/ooxml/java/org/apache/poi/xslf/usermodel/XSLFPictureShape.java	
@@ -19,12 +19,10 @@ 
 
 package org.apache.poi.xslf.usermodel;
 
+import java.awt.Dimension;
 import java.awt.Insets;
-import java.awt.geom.Rectangle2D;
-import java.awt.image.BufferedImage;
+import java.awt.Rectangle;
 import java.net.URI;
-
-import javax.imageio.ImageIO;
 import javax.xml.namespace.QName;
 
 import org.apache.poi.POIXMLException;
@@ -86,20 +84,23 @@ public class XSLFPictureShape extends XSLFSimpleShape implements PictureShape {
 
     /**
      * Resize this picture to the default size.
+     *
      * For PNG and JPEG resizes the image to 100%,
-     * for other types sets the default size of 200x200 pixels.
+     * for other types sets the default size to 200x200 pixels.
      */
     public void resize() {
-        try {
-            BufferedImage img = ImageIO.read(getPictureData().getInputStream());
-            setAnchor(new Rectangle2D.Double(0, 0, img.getWidth(), img.getHeight()));
+        Dimension dim = getPictureData().getPictureDimension();
+        if (dim.width > 0 && dim.height > 0)
+        {
+            setAnchor(new Rectangle(0, 0, dim.width, dim.height));
         }
-        catch (Exception e) {
-            //default size is 200x200
-            setAnchor(new java.awt.Rectangle(50, 50, 200, 200));
+        else
+        {
+            // unsupported/unknown formats
+            setAnchor(new Rectangle(50, 50, 200, 200));
         }
     }
-    
+
     /**
      * Is this an internal picture (image data included within
      *  the PowerPoint file), or an external linked picture
--