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/*
 *  ====================================================================
 *    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.examples;

import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;

import org.apache.poi.openxml4j.exceptions.InvalidFormatException;
import org.apache.poi.util.Units;
import org.apache.poi.xwpf.usermodel.BreakType;
import org.apache.poi.xwpf.usermodel.XWPFDocument;
import org.apache.poi.xwpf.usermodel.XWPFParagraph;
import org.apache.poi.xwpf.usermodel.XWPFRun;

/**
 * Demonstrates how to add pictures in a .docx document
 */
public class SimpleImages {

    public static void main(String[] args) throws IOException, InvalidFormatException {
        try (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();
                try (FileInputStream is = new FileInputStream(imgFile)) {
                    r.addPicture(is, format, imgFile, Units.toEMU(200), Units.toEMU(200)); // 200x200 pixels
                }
                r.addBreak(BreakType.PAGE);
            }

            try (FileOutputStream out = new FileOutputStream("images.docx")) {
                doc.write(out);
            }
        }
    }


}