a couple of HSLF examples
git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@650130 13f79535-47bb-0310-9956-ffa450edef68
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Yegor Kozlov
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/* ====================================================================
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Licensed to the Apache Software Foundation (ASF) under one or more
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contributor license agreements. See the NOTICE file distributed with
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this work for additional information regarding copyright ownership.
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The ASF licenses this file to You under the Apache License, Version 2.0
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(the "License"); you may not use this file except in compliance with
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the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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==================================================================== */
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package org.apache.poi.hslf.examples;
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import org.apache.poi.hslf.usermodel.*;
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import org.apache.poi.hslf.model.*;
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import org.apache.poi.hssf.usermodel.HSSFWorkbook;
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import org.apache.poi.hwpf.HWPFDocument;
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import org.apache.poi.hwpf.usermodel.Range;
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import org.apache.poi.hwpf.usermodel.Paragraph;
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import java.io.*;
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/**
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* Demonstrates how you can extract misc embedded data from a ppt file
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*
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* @author Yegor Kozlov
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*/
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public class DataExtraction {
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public static void main(String args[]) throws Exception {
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if (args.length == 0) {
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usage();
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return;
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}
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FileInputStream is = new FileInputStream(args[0]);
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SlideShow ppt = new SlideShow(is);
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is.close();
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//extract all sound files embedded in this presentation
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SoundData[] sound = ppt.getSoundData();
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for (int i = 0; i < sound.length; i++) {
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String type = sound[i].getSoundType(); //*.wav
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String name = sound[i].getSoundName(); //typically file name
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byte[] data = sound[i].getData(); //raw bytes
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//save the sound on disk
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FileOutputStream out = new FileOutputStream(name + type);
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out.write(data);
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out.close();
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}
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//extract embedded OLE documents
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Slide[] slide = ppt.getSlides();
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for (int i = 0; i < slide.length; i++) {
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Shape[] shape = slide[i].getShapes();
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for (int j = 0; j < shape.length; j++) {
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if (shape[j] instanceof OLEShape) {
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OLEShape ole = (OLEShape) shape[j];
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ObjectData data = ole.getObjectData();
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String name = ole.getInstanceName();
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if ("Worksheet".equals(name)) {
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//save xls on disk
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FileOutputStream out = new FileOutputStream(name + "-("+(j)+").xls");
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InputStream dis = data.getData();
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byte[] chunk = new byte[2048];
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int count;
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while ((count = dis.read(chunk)) >= 0) {
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out.write(chunk,0,count);
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}
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is.close();
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out.close();
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} else if ("Document".equals(name)) {
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HWPFDocument doc = new HWPFDocument(data.getData());
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//read the word document
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Range r = doc.getRange();
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for(int k = 0; k < r.numParagraphs(); k++) {
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Paragraph p = r.getParagraph(k);
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System.out.println(p.text());
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}
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//save on disk
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FileOutputStream out = new FileOutputStream(name + "-("+(j)+").doc");
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doc.write(out);
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out.close();
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} else {
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System.err.println("Processing " + name);
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}
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}
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}
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}
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//Pictures
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for (int i = 0; i < slide.length; i++) {
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Shape[] shape = slide[i].getShapes();
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for (int j = 0; j < shape.length; j++) {
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if (shape[j] instanceof Picture) {
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Picture p = (Picture) shape[j];
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PictureData data = p.getPictureData();
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String name = p.getPictureName();
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int type = data.getType();
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String ext;
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switch (type) {
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case Picture.JPEG:
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ext = ".jpg";
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break;
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case Picture.PNG:
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ext = ".png";
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break;
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case Picture.WMF:
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ext = ".wmf";
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break;
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case Picture.EMF:
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ext = ".emf";
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break;
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case Picture.PICT:
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ext = ".pict";
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break;
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case Picture.DIB:
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ext = ".dib";
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break;
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default:
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continue;
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}
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FileOutputStream out = new FileOutputStream("pict-" + j + ext);
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out.write(data.getData());
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out.close();
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}
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}
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}
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}
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private static void usage(){
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System.out.println("Usage: DataExtraction ppt");
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}
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}
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@ -0,0 +1,80 @@
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/* ====================================================================
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Licensed to the Apache Software Foundation (ASF) under one or more
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contributor license agreements. See the NOTICE file distributed with
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this work for additional information regarding copyright ownership.
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The ASF licenses this file to You under the Apache License, Version 2.0
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(the "License"); you may not use this file except in compliance with
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the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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==================================================================== */
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package org.apache.poi.hslf.examples;
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import org.apache.poi.hslf.usermodel.SlideShow;
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import org.apache.poi.hslf.model.*;
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import java.awt.*;
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import java.io.FileOutputStream;
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import java.io.FileInputStream;
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/**
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* Demonstrates how to draw into a slide using the HSLF Graphics2D driver.
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*
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* @author Yegor Kozlov
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*/
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public class Graphics2DDemo {
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/**
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* A simple bar chart demo
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*/
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public static void main(String[] args) throws Exception {
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SlideShow ppt = new SlideShow();
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//bar chart data. The first value is the bar color, the second is the width
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Object[] def = new Object[]{
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Color.yellow, new Integer(40),
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Color.green, new Integer(60),
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Color.gray, new Integer(30),
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Color.red, new Integer(80),
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};
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Slide slide = ppt.createSlide();
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ShapeGroup group = new ShapeGroup();
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//define position of the drawing in the slide
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Rectangle bounds = new java.awt.Rectangle(200, 100, 350, 300);
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group.setAnchor(bounds);
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group.setCoordinates(new java.awt.Rectangle(0, 0, 100, 100));
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slide.addShape(group);
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Graphics2D graphics = new PPGraphics2D(group);
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//draw a simple bar graph
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int x = 10, y = 10;
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graphics.setFont(new Font("Arial", Font.BOLD, 10));
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for (int i = 0, idx = 1; i < def.length; i+=2, idx++) {
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graphics.setColor(Color.black);
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int width = ((Integer)def[i+1]).intValue();
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graphics.drawString("Q" + idx, x-5, y+10);
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graphics.drawString(width + "%", x + width+3, y + 10);
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graphics.setColor((Color)def[i]);
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graphics.fill(new Rectangle(x, y, width, 10));
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y += 15;
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}
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graphics.setColor(Color.black);
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graphics.setFont(new Font("Arial", Font.BOLD, 14));
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graphics.draw(group.getCoordinates());
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graphics.drawString("Performance", x + 30, y + 10);
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FileOutputStream out = new FileOutputStream("hslf-graphics.ppt");
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ppt.write(out);
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out.close();
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}
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}
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