import com.spire.presentation.FileFormat;
import com.spire.presentation.IAutoShape;
import com.spire.presentation.Presentation;
import com.spire.presentation.ShapeType;
import com.spire.presentation.drawing.FillFormatType;

import java.awt.geom.Rectangle2D;

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

        //create a Presentation object
        Presentation ppt = new Presentation();
        
        //add a shape to the first slide
        IAutoShape shape = ppt.getSlides().get(0).getShapes().appendShape(ShapeType.RECTANGLE, new Rectangle2D.Float(50, 50, 400, 100));
        shape.getFill().setFillType(FillFormatType.NONE);

        //clear the default paragraph
        shape.getTextFrame().getParagraphs().clear();

        //define html string
        String htmlString = "<ul>" +
                            "<li style=\"color:blue\">Spire.Presentation for Java</li>" +
                            "<li style=\"color:green\">Spire.PDF for Java</li>" +
                            "<li style=\"color:gray\">Spire.Doc for Java</li>" +
                            "<li style=\"color:red\">Spire.Barcode for Java</li>" +
                            "</ul>";

        //insert html string in the shape
        shape.getTextFrame().getParagraphs().addFromHtml(htmlString);

        //save to file
        ppt.saveToFile("output/InsertHtml.pptx", FileFormat.PPTX_2013);
    }
}

import com.spire.presentation.*;
import com.spire.presentation.drawing.FillFormatType;

import javax.imageio.ImageIO;
import java.awt.*;
import java.awt.geom.Rectangle2D;
import java.awt.image.BufferedImage;
import java.io.File;

public class AddBullets {
    public static void main(String[] args) throws Exception {
        //Create a Presentation instance
        Presentation ppt = new Presentation();

        //Get the first slide
        ISlide slide = ppt.getSlides().get(0);

        Rectangle2D rect = new Rectangle2D.Double(50, 70, 300, 200);
        //Append a shape to the slide and set shape style
        IAutoShape shape = slide.getShapes().appendShape(ShapeType.RECTANGLE, rect);
        shape.getShapeStyle().getLineColor().setColor(Color.white);
        shape.getFill().setFillType(FillFormatType.NONE);

        //Clear the default paragragh
        shape.getTextFrame().getParagraphs().clear();

        String[] str = new String[] {"Item 1", "Item 2", "Item 3" ,"Item 4", "Item 5", "Item 6","Item 7", "Item 8", "Item 9" };

        //Add a numbered bulleted list
        for(int i = 0; i < 3; i ++)
        {
            ParagraphEx paragraph = new ParagraphEx();
            shape.getTextFrame().getParagraphs().append(paragraph);
            paragraph.setText(str[i]);
            paragraph.getTextRanges().get(0).getFill().setFillType(FillFormatType.SOLID);
            paragraph.getTextRanges().get(0).getFill().getSolidColor().setColor(Color.black);
            paragraph.setBulletType(TextBulletType.NUMBERED);
            paragraph.setBulletStyle(NumberedBulletStyle.BULLET_ROMAN_LC_PERIOD);
        }

        //Add a symbol bulleted list
        for(int j = 3; j < 6; j ++)
        {
            ParagraphEx paragraph = new ParagraphEx();
            shape.getTextFrame().getParagraphs().append(paragraph);
            paragraph.setText(str[j]);
            paragraph.getTextRanges().get(0).getFill().setFillType(FillFormatType.SOLID);
            paragraph.getTextRanges().get(0).getFill().getSolidColor().setColor(Color.black);
            paragraph.setBulletType(TextBulletType.SYMBOL);
        }

        //Add a custom bulleted list with picture
        for(int k = 6; k < str.length; k ++)
        {
            ParagraphEx paragraph = new ParagraphEx();
            shape.getTextFrame().getParagraphs().append(paragraph);
            paragraph.setText(str[k]);
            paragraph.getTextRanges().get(0).getFill().setFillType(FillFormatType.SOLID);
            paragraph.getTextRanges().get(0).getFill().getSolidColor().setColor(Color.black);
            paragraph.setBulletType(TextBulletType.PICTURE);
            BufferedImage image = ImageIO.read(new File("timg.jpg"));
            paragraph.getBulletPicture().setEmbedImage(ppt.getImages().append(image));
        }

        //Save the document
        ppt.saveToFile("AddBullets.pptx", FileFormat.PPTX_2013);
    }
}

import com.spire.presentation.*;

import java.io.FileWriter;

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

        //Create a Presentation instance
        Presentation ppt = new Presentation();
        //Load the PowerPoint document
        ppt.loadFromFile("Input.pptx");

        StringBuilder buffer = new StringBuilder();

        //Loop through the slides in the document and extract text
        for (Object slide : ppt.getSlides()) {
            for (Object shape : ((ISlide) slide).getShapes()) {
                if (shape instanceof IAutoShape) {
                    for (Object tp : ((IAutoShape) shape).getTextFrame().getParagraphs()) {
                        buffer.append(((ParagraphEx) tp).getText());
                    }
                }
            }
        }
        //Save text
        FileWriter writer = new FileWriter("ExtractText.txt");
        writer.write(buffer.toString());
        writer.flush();
        writer.close();
    }
}