1. POI-HSLF Java API To Access Microsoft PowerPoint Format Files Yegor Kozlov yegor - apache - org

2. What is HSLF? HorribleSLideshowFormat is the POI Project's pure Java implementation of the Powerpoint '97(-2007) file format. POI sub-project since 2005

3. HSLF in a Nutshell HSLF provides a way to read, create and modify MS PowerPoint presentations Pure Java API - you don't need PowerPoint to read and write *.ppt files Comprehensive support of PowerPoint objects –Rich text –Tables –Shapes –Pictures –Master slides Access to low level data structures

4. Note This presentation was created using POI HSLF The source code is available at http://people.apache.org/~yegor/apachecon_eu08/

5. HSLF in Action - 1 Data Extraction Text from slides and notes Images Shapes and their properties (type, position in the slide, color, font, etc.)

6. HSLF in Action - 2 Creating a simple presentation from scratch SlideShow ppt = new SlideShow(); Slide slide = ppt.createSlide(); TextBox box2 = new TextBox(); box2.setHorizontalAlignment(TextBox.AlignCenter); box2.setVerticalAlignment(TextBox.AnchorMiddle); box2.getTextRun().setText("Java Code"); box2.getFill().setForegroundColor(new Color(187, 224, 227)); box2.setLineColor(Color.black); box2.setLineWidth(0.75); box2.setAnchor(new Rectangle(66, 243, 170, 170)); slide.addShape(box2); TextBox box3 = new TextBox(); box3.setHorizontalAlignment(TextBox.AlignCenter); box3.setVerticalAlignment(TextBox.AnchorMiddle); box3.getTextRun().setText("*.ppt file"); box3.setLineWidth(0.75); box3.setLineColor(Color.black); box3.getFill().setForegroundColor(new Color(187, 224, 227)); box3.setAnchor(new Rectangle(473, 243, 170, 170)); slide.addShape(box3); AutoShape box4 = new AutoShape(ShapeTypes.Arrow); box4.getFill().setForegroundColor(new Color(187, 224, 227)); box4.setLineWidth(0.75); box4.setLineColor(Color.black); box4.setAnchor(new Rectangle(253, 288, 198, 85)); slide.addShape(box4); FileOutputStream out = new FileOutputStream("hslf-demo.ppt"); ppt.write(out); out.close();

7. Java Code*.ppt file

8. Wait, there is more! Rich text Tables Pictures (JPEG, PNG, BMP, WMF, PICT) Comprehensive formatting features

9. HSLF in Action - 3 PPGraphics2D: PowerPoint Graphics2D driver //bar chart data. The first value is the bar color, the second is the width Object[] def = new Object[]{ Color.yellow, new Integer(100), Color.green, new Integer(150), Color.gray, new Integer(75), Color.red, new Integer(200), }; SlideShow ppt = new SlideShow(); 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); slide.addShape(group); Graphics2D graphics = new PPGraphics2D(group); //draw a simple bar graph int x = bounds.x + 50, y = bounds.y + 50; 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-20, y+20); graphics.drawString(width + "%", x + width + 10, y + 20); graphics.setColor((Color)def[i]); graphics.fill(new Rectangle(x, y, width, 30)); y += 40; } graphics.setColor(Color.black); graphics.setFont(new Font("Arial", Font.BOLD, 14)); graphics.draw(bounds); graphics.drawString("Performance", x + 70, y + 40); FileOutputStream out = new FileOutputStream("hslf-demo.ppt"); ppt.write(out); out.close();

10. Q1100% Q2150% Q375% Q4200% Performance

11. HSLF Development Plans Support for more PowerPoint functionality Rendering slides into java.awt.Graphics2D –A way to export slides into images or other formats Integration with Apache FOP - Formatting Objects Processor –Transformation of XSL-FO into PPT –PPT2PDF transcoder

12. Questions? http://poi.apache.org/hslf/ http://people.apache.org/~yegor