Presentation ppt = new Presentation();
ppt.loadFromFile("input.pptx");
List bytes = ppt.saveToSVGZ();
for (int i = 0; i < bytes.size(); i++) {
FileOutputStream fileOutputStream = new FileOutputStream("slide" + i + ".svgz");
fileOutputStream.write(bytes.get(i));
fileOutputStream.flush();
fileOutputStream.close();
}

Presentation ppt = new Presentation();
ppt.loadFromFile("input.pptx");
List bytes = ppt.saveToSVG(0, 36);
for (int i = 0; i < bytes.size(); i++) {
FileOutputStream fileOutputStream = new FileOutputStream("slide" + (i + 1) + ".svg");
fileOutputStream.write(bytes.get(i));
fileOutputStream.flush();
fileOutputStream.close();
}

ppt.saveToFile(2,5,outputFile, FileFormat.PDF);

Presentation ppt = new Presentation();
ppt.loadFromFile("input.pptx");
//saveToOneSVG(int startSlide,int endSlide)
//startSlide:Start slide index endSlide:End slide index
byte[] bytes = ppt.saveToOneSVG(10,13);
FileOutputStream fos = new FileOutputStream(new File("result.svg"));
fos.write(bytes);
fos.flush();
fos.close();

Presentation ppt = new Presentation();
ppt.loadFromFile(inputFile);
IAutoShape shape = (IAutoShape)ppt.getSlides().get(0).getShapes().get(0);
ArrayList points = shape.getPoints();
String text1 = "point count：" + " " + points.size() + "\r
";
FileWriter writer1 = new FileWriter(outputFile, true);
writer1.append(text1);
writer1.close();
for (int i = 0; i < points.size(); i++)
{
    String text2 = "point" + i + " " + points.get(i) + "\r
";
    FileWriter writer2 = new FileWriter(outputFile, true);
    writer2.append(text2);
    writer2.close();
}

Presentation ppt = new Presentation();
ppt.loadFromFile(inputFile);
ITable table = (ITable) ppt.getSlides().get(0).getShapes().get(0);
table.getColumnsList().get(2).adjustColumnByTextWidth();
ppt.saveToFile(outputFile, FileFormat.AUTO);

IAutoShape autoShape=iSlide.getShapes().appendShape(ShapeType.ROUND_CORNER_RECTANGLE,new Rectangle2D.Float(50,50,150,150));
IAutoShape autoShape1=iSlide.getShapes().appendShape(ShapeType.ONE_ROUND_CORNER_RECTANGLE,new Rectangle2D.Float(250,50,150,150));
IAutoShape autoShape2=iSlide.getShapes().appendShape(ShapeType.ONE_SNIP_ONE_ROUND_CORNER_RECTANGLE,new Rectangle2D.Float(450,50,150,150));
IAutoShape autoShape3=iSlide.getShapes().appendShape(ShapeType.TWO_DIAGONAL_ROUND_CORNER_RECTANGLE,new Rectangle2D.Float(50,250,150,150));
IAutoShape autoShape4=iSlide.getShapes().appendShape(ShapeType.TWO_SAMESIDE_ROUND_CORNER_RECTANGLE,new Rectangle2D.Float(250,250,150,150));
autoShape.setRoundRadius(autoShape.getWidth()/3);
autoShape1.setRoundRadius(autoShape1.getWidth()/3);
autoShape2.setRoundRadius(autoShape2.getWidth()/3);
autoShape3.setRoundRadius(autoShape3.getWidth()/3);
autoShape4.setRoundRadius(autoShape4.getWidth()/3);

Presentation presentation = new Presentation();
presentation.loadFromFile(intputFile);
//get custom layouts
ILayout iLayout = presentation.getMasters().get(0).getLayouts().get(1);
//append new slide
presentation.getSlides().append(iLayout);
//insert new slide
presentation.getSlides().insert(0, iLayout);
presentation.saveToFile(outputFile, FileFormat.PPTX_2016);
presentation.dispose();

ppt.getSlides().get(0).getShapes().appendSmartArt(50, 50, 250, 250, SmartArtLayoutType.PICTURE_ORGANIZATION_CHART);
ppt.getSlides().append().getShapes().appendSmartArt(50, 50, 250, 250, SmartArtLayoutType.NAME_AND_TITLE_ORGANIZATION_CHART);

Presentation presentation = new Presentation();
presentation.loadFromFile("sample.dps", FileFormat.DPS);
presentation.saveToFile("result.dpt", FileFormat.DPT);