a couple of HSLF examples

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@650130 13f79535-47bb-0310-9956-ffa450edef68

2 files changed, 228 insertions, 0 deletions

diff --git a/src/scratchpad/examples/src/org/apache/poi/hslf/examples/DataExtraction.java b/src/scratchpad/examples/src/org/apache/poi/hslf/examples/DataExtraction.java
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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.hslf.examples;

+

+import org.apache.poi.hslf.usermodel.*;

+import org.apache.poi.hslf.model.*;

+import org.apache.poi.hssf.usermodel.HSSFWorkbook;

+import org.apache.poi.hwpf.HWPFDocument;

+import org.apache.poi.hwpf.usermodel.Range;

+import org.apache.poi.hwpf.usermodel.Paragraph;

+

+import java.io.*;

+

+/**

+ * Demonstrates how you can extract misc embedded data from a ppt file

+ *

+ * @author Yegor Kozlov

+ */

+public class DataExtraction {

+

+    public static void main(String args[]) throws Exception {

+

+        if (args.length == 0) {

+            usage();

+            return;

+        }

+

+        FileInputStream is = new FileInputStream(args[0]);

+        SlideShow ppt = new SlideShow(is);

+        is.close();

+

+        //extract all sound files embedded in this presentation

+        SoundData[] sound = ppt.getSoundData();

+        for (int i = 0; i < sound.length; i++) {

+            String type = sound[i].getSoundType();  //*.wav

+            String name = sound[i].getSoundName();  //typically file name

+            byte[] data = sound[i].getData();       //raw bytes

+

+            //save the sound  on disk

+            FileOutputStream out = new FileOutputStream(name + type);

+            out.write(data);

+            out.close();

+        }

+

+        //extract embedded OLE documents

+        Slide[] slide = ppt.getSlides();

+        for (int i = 0; i < slide.length; i++) {

+            Shape[] shape = slide[i].getShapes();

+            for (int j = 0; j < shape.length; j++) {

+                if (shape[j] instanceof OLEShape) {

+                    OLEShape ole = (OLEShape) shape[j];

+                    ObjectData data = ole.getObjectData();

+                    String name = ole.getInstanceName();

+                    if ("Worksheet".equals(name)) {

+

+                        //save xls on disk

+                        FileOutputStream out = new FileOutputStream(name + "-("+(j)+").xls");

+                        InputStream dis = data.getData();

+                        byte[] chunk = new byte[2048];

+                        int count;

+                        while ((count = dis.read(chunk)) >= 0) {

+                          out.write(chunk,0,count);

+                        }

+                        is.close();

+                        out.close();

+                    } else if ("Document".equals(name)) {

+                        HWPFDocument doc = new HWPFDocument(data.getData());

+                        //read the word document

+                        Range r = doc.getRange();    	

+                        for(int k = 0; k < r.numParagraphs(); k++) {

+                            Paragraph p = r.getParagraph(k);

+                            System.out.println(p.text());

+                         }

+

+                        //save on disk

+                        FileOutputStream out = new FileOutputStream(name + "-("+(j)+").doc");

+                        doc.write(out);

+                        out.close();

+                     }  else {

+                        System.err.println("Processing " + name);

+                    }

+                }

+

+            }

+        }

+

+        //Pictures

+        for (int i = 0; i < slide.length; i++) {

+            Shape[] shape = slide[i].getShapes();

+            for (int j = 0; j < shape.length; j++) {

+                if (shape[j] instanceof Picture) {

+                    Picture p = (Picture) shape[j];

+                    PictureData data = p.getPictureData();

+                    String name = p.getPictureName();

+                    int type = data.getType();

+                    String ext;

+                    switch (type) {

+                        case Picture.JPEG:

+                            ext = ".jpg";

+                            break;

+                        case Picture.PNG:

+                            ext = ".png";

+                            break;

+                        case Picture.WMF:

+                            ext = ".wmf";

+                            break;

+                        case Picture.EMF:

+                            ext = ".emf";

+                            break;

+                        case Picture.PICT:

+                            ext = ".pict";

+                            break;

+                        case Picture.DIB:

+                            ext = ".dib";

+                            break;

+                        default:

+                            continue;

+                    }

+                    FileOutputStream out = new FileOutputStream("pict-" + j + ext);

+                    out.write(data.getData());

+                    out.close();

+                }

+

+            }

+        }

+

+    }

+

+    private static void usage(){

+        System.out.println("Usage: DataExtraction  ppt");

+    }

+}

diff --git a/src/scratchpad/examples/src/org/apache/poi/hslf/examples/Graphics2DDemo.java b/src/scratchpad/examples/src/org/apache/poi/hslf/examples/Graphics2DDemo.java
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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.hslf.examples;

+

+import org.apache.poi.hslf.usermodel.SlideShow;

+import org.apache.poi.hslf.model.*;

+

+import java.awt.*;

+import java.io.FileOutputStream;

+import java.io.FileInputStream;

+

+/**

+ * Demonstrates how to draw into a slide using the HSLF Graphics2D driver.

+ *

+ * @author Yegor Kozlov

+ */

+public class Graphics2DDemo {

+

+    /**

+     * A simple bar chart demo

+     */

+    public static void main(String[] args) throws Exception {

+        SlideShow ppt = new SlideShow();

+

+        //bar chart data. The first value is the bar color, the second is the width

+        Object[] def = new Object[]{

+            Color.yellow, new Integer(40),

+            Color.green, new Integer(60),

+            Color.gray, new Integer(30),

+            Color.red, new Integer(80),

+        };

+

+        Slide slide = ppt.createSlide();

+

+        ShapeGroup group = new ShapeGroup();

+        //define position of the drawing in the slide

+        Rectangle bounds = new java.awt.Rectangle(200, 100, 350, 300);

+        group.setAnchor(bounds);

+        group.setCoordinates(new java.awt.Rectangle(0, 0, 100, 100));

+        slide.addShape(group);

+        Graphics2D graphics = new PPGraphics2D(group);

+

+        //draw a simple bar graph

+        int x = 10, y = 10;

+        graphics.setFont(new Font("Arial", Font.BOLD, 10));

+        for (int i = 0, idx = 1; i < def.length; i+=2, idx++) {

+            graphics.setColor(Color.black);

+            int width = ((Integer)def[i+1]).intValue();

+            graphics.drawString("Q" + idx, x-5, y+10);

+            graphics.drawString(width + "%", x + width+3, y + 10);

+            graphics.setColor((Color)def[i]);

+            graphics.fill(new Rectangle(x, y, width, 10));

+            y += 15;

+        }

+        graphics.setColor(Color.black);

+        graphics.setFont(new Font("Arial", Font.BOLD, 14));

+        graphics.draw(group.getCoordinates());

+        graphics.drawString("Performance", x + 30, y + 10);

+

+        FileOutputStream out = new FileOutputStream("hslf-graphics.ppt");

+        ppt.write(out);

+        out.close();

+    }

+

+}