fixed wrong namespace when inserting images in xwpf, added an example how to insert pictures

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1293747 13f79535-47bb-0310-9956-ffa450edef68

src/examples/src/org/apache/poi/xwpf/usermodel/SimpleImages.java

@@ -0,0 +1,74 @@
+/*
+ *  ====================================================================
+ *    Licensed to the Apache Software Foundation (ASF) under one or more
+ *    contributor license agreements.  See the NOTICE file distributed with
+ *    this work for additional information regarding copyright ownership.
+ *    The ASF licenses this file to You under the Apache License, Version 2.0
+ *    (the "License"); you may not use this file except in compliance with
+ *    the License.  You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *    Unless required by applicable law or agreed to in writing, software
+ *    distributed under the License is distributed on an "AS IS" BASIS,
+ *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *    See the License for the specific language governing permissions and
+ *    limitations under the License.
+ * ====================================================================
+ */
+package org.apache.poi.xwpf.usermodel;
+
+import org.apache.poi.util.Units;
+import org.openxmlformats.schemas.wordprocessingml.x2006.main.*;
+
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.math.BigInteger;
+import java.util.List;
+
+/**
+ * Demonstrates how to add pictures in a .docx document
+ *
+ * @author Yegor Kozlov
+ */
+public class SimpleImages {
+
+    public static void main(String[] args) throws Exception {
+        XWPFDocument doc = new XWPFDocument();
+        XWPFParagraph p = doc.createParagraph();
+
+        XWPFRun r = p.createRun();
+
+        for(String imgFile : args) {
+            int format;
+
+            if(imgFile.endsWith(".emf")) format = XWPFDocument.PICTURE_TYPE_EMF;
+            else if(imgFile.endsWith(".wmf")) format = XWPFDocument.PICTURE_TYPE_WMF;
+            else if(imgFile.endsWith(".pict")) format = XWPFDocument.PICTURE_TYPE_PICT;
+            else if(imgFile.endsWith(".jpeg") || imgFile.endsWith(".jpg")) format = XWPFDocument.PICTURE_TYPE_JPEG;
+            else if(imgFile.endsWith(".png")) format = XWPFDocument.PICTURE_TYPE_PNG;
+            else if(imgFile.endsWith(".dib")) format = XWPFDocument.PICTURE_TYPE_DIB;
+            else if(imgFile.endsWith(".gif")) format = XWPFDocument.PICTURE_TYPE_GIF;
+            else if(imgFile.endsWith(".tiff")) format = XWPFDocument.PICTURE_TYPE_TIFF;
+            else if(imgFile.endsWith(".eps")) format = XWPFDocument.PICTURE_TYPE_EPS;
+            else if(imgFile.endsWith(".bmp")) format = XWPFDocument.PICTURE_TYPE_BMP;
+            else if(imgFile.endsWith(".wpg")) format = XWPFDocument.PICTURE_TYPE_WPG;
+            else {
+                System.err.println("Unsupported picture: " + imgFile +
+                        ". Expected emf|wmf|pict|jpeg|png|dib|gif|tiff|eps|bmp|wpg");
+                continue;
+            }
+
+            r.setText(imgFile);
+            r.addBreak();
+            r.addPicture(new FileInputStream(imgFile), format, imgFile, Units.toEMU(200), Units.toEMU(200)); // 200x200 pixels
+            r.addBreak(BreakType.PAGE);
+        }
+
+        FileOutputStream out = new FileOutputStream("images.docx");
+        doc.write(out);
+        out.close();
+    }
+
+
+}

src/ooxml/java/org/apache/poi/xwpf/usermodel/XWPFRun.java

@@ -655,9 +655,10 @@ public class XWPFRun {
      *  
      * @param pictureData The raw picture data
      * @param pictureType The type of the picture, eg {@link Document#PICTURE_TYPE_JPEG}
-     * @throws IOException 
+     * @param image width in EMUs. To convert to / from points use {@link org.apache.poi.util.Units}
-     * @throws org.apache.poi.openxml4j.exceptions.InvalidFormatException 
+     * @param image height in EMUs. To convert to / from points use {@link org.apache.poi.util.Units}
-     * @throws IOException 
+     * @throws org.apache.poi.openxml4j.exceptions.InvalidFormatException
+     * @throws IOException
      */
     public XWPFPicture addPicture(InputStream pictureData, int pictureType, String filename, int width, int height)
     throws InvalidFormatException, IOException {
@@ -676,7 +677,7 @@ public class XWPFRun {
             // (We need full control of what goes where and as what)
             String xml = 
                 "<a:graphic xmlns:a=\"" + CTGraphicalObject.type.getName().getNamespaceURI() + "\">" +
-                "<a:graphicData uri=\"" + CTGraphicalObject.type.getName().getNamespaceURI() + "\">" +
+                "<a:graphicData uri=\"" + CTPicture.type.getName().getNamespaceURI() + "\">" +
                 "<pic:pic xmlns:pic=\"" + CTPicture.type.getName().getNamespaceURI() + "\" />" +
                 "</a:graphicData>" +
                 "</a:graphic>";