Extract Images in PowerPoint PPT in Java

readme.md

Learn how to extract images from PowerPoint PPT presentations in Java: https://blog.aspose.com/2022/01/13/extract-images-from-ppt-in-java/

extract-ppt-background-images.java

// Load the presentation
Presentation pres = new Presentation("presentation.pptx");

com.aspose.slides.IPPImage img = null;
com.aspose.slides.IPPImage backImage = null;

String ImagePath = "BackImage_";
int slideIndex = 0;
String imageType = "";
for (int i = 0; i < pres.getSlides().size(); i++) {
  slideIndex++;

  // Access slide
  ISlide sl = pres.getSlides().get_Item(i);

  // Check if background is filled with picture
  if (sl.getBackground().getFillFormat().getFillType() == FillType.Picture) {
    // Get the background image
    backImage = sl.getBackground().getFillFormat().getPictureFillFormat().getPicture().getImage();

    // Save picture
    BufferedImage image = backImage.getSystemImage();
    imageType = backImage.getContentType();
    imageType = imageType.substring(imageType.indexOf("/") + 1, imageType.length());

    try {
      ImageIO.write(image, imageType,
          new File(ImagePath + "Slide_" + slideIndex + "." + imageType.toString()));
    } catch (IOException ex) {
      // read exception message
    }
  } else {
    // check if slide layout has image background
    if (sl.getLayoutSlide().getBackground().getFillFormat().getFillType() == FillType.Picture) {

      // Get the background image
      backImage = sl.getLayoutSlide().getBackground().getFillFormat().getPictureFillFormat().getPicture()
          .getImage();

      // Save image
      BufferedImage image = backImage.getSystemImage();
      imageType = backImage.getContentType();
      imageType = imageType.substring(imageType.indexOf("/") + 1, imageType.length());

      try {
        ImageIO.write(image, imageType,
            new File(ImagePath + "LayoutSlide_" + slideIndex + "." + imageType.toString()));
      } catch (IOException ex) {
        // read exception message
      }
    }
  }
}

extract-ppt-images.java

// Load the presentation
Presentation pres = new Presentation("presentation.pptx");

int imageIndex = 1;
String imageType = "";
String imagePath = "Image_";

// Loop through images
for (IPPImage image : pres.getImages()) {
  // Get image type
  imageType = image.getContentType();
  imageType = imageType.substring(imageType.indexOf("/") + 1, imageType.length());

  // Save image
  try {
    ImageIO.write(image.getSystemImage(), imageType, new File(imagePath + imageIndex + "." + imageType.toString()));
  } catch (IOException ex) {
    System.out.println(ex.getMessage());
  }
  imageIndex++;
}

extract-ppt-shape-images.java

// Load the presentation
Presentation pres = new Presentation("presentation.pptx");

com.aspose.slides.IPPImage img = null;
int slideIndex = 0;
String imageType = "";
boolean isImageFound = false;

// Loop through slides
for (int i = 0; i < pres.getSlides().size(); i++) {
  slideIndex++;

  // Access slide
  ISlide sl = pres.getSlides().get_Item(i);

  for (int j = 0; j < sl.getShapes().size(); j++) {
    // Access the shape
    IShape sh = sl.getShapes().get_Item(j);

    // Check if it is an auto shape
    if (sh instanceof IAutoShape) {
      IAutoShape ashp = (IAutoShape) sh;
      if (ashp.getFillFormat().getFillType() == FillType.Picture) {
        img = ashp.getFillFormat().getPictureFillFormat().getPicture().getImage();
        imageType = img.getContentType();
        imageType = imageType.substring(0, imageType.indexOf("/") + 1);
        isImageFound = true;
      }
    }

    // If shape is a picture frame
    else if (sh instanceof IPictureFrame) {
      IPictureFrame pf = (IPictureFrame) sh;
      img = pf.getPictureFormat().getPicture().getImage();
      imageType = img.getContentType();
      imageType = imageType.substring(imageType.indexOf("/") + 1, imageType.length());
      isImageFound = true;
    }

    // Set the desired picture format
    if (isImageFound) {
      try {
        ImageIO.write(img.getSystemImage(), imageType,
            new File("Slide_" + slideIndex + "_Shape_" + j + "." + imageType));
      } catch (IOException ex) {
        // Exception
      }
    }
    isImageFound = false;
  }
}