Convert PUB to Image Programmatically in Java | PUB to JPG | PUB to PNG | PUB to TIFF

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PUB-to-JPG.java

// Load input PUB file
IPubParser parser = PubFactory.createParser("Test.pub");
Document doc = parser.parse();

// Convert PUB to PDF file
PubFactory.createPdfConverter().convertToPdf(doc, "Test.pdf");

// Load the PDF file
Document document = new Document("Test.pdf");
facades.PdfFileInfo info = new facades.PdfFileInfo(document);
for (Page page : document.getPages())
{
    // Get page dimensions from the PDF document
    int width = (int) info.getPageWidth(page.getNumber());
    int height = (int) (info.getPageHeight(page.getNumber()));

    // Set resolution for the output image
    devices.Resolution resolution = new devices.Resolution(300); 
    
    // Create JPEG device with specified Width and Height
    devices.JpegDevice jpegDevice = new devices.JpegDevice(width, height , resolution);

    // Convert PUB to JPG image
    jpegDevice.process(page, "Page" + page.getNumber() + ".jpg");
}

PUB-to-PNG.java

// Load input PUB file
IPubParser parser = PubFactory.createParser("Test.pub");
Document doc = parser.parse();

// Convert PUB to PDF file
PubFactory.createPdfConverter().convertToPdf(doc, "Test.pdf");

Document document = new Document("Test.pdf");
facades.PdfFileInfo info = new facades.PdfFileInfo(document);
for (Page page : document.getPages())
{
    // Get page dimensions from the PDF document
    int width = (int) info.getPageWidth(page.getNumber());
    int height = (int) (info.getPageHeight(page.getNumber()));

    // Create PNG device with specified Width and Height
    devices.PngDevice pngDevice = new devices.PngDevice(width, height);

    // Convert PUB to PNG image
    pngDevice.process(page, "Page" + page.getNumber() + ".png");
}

PUB-to-TIFF.java

// Load input PUB file
IPubParser parser = PubFactory.createParser("Test.pub");
Document doc = parser.parse();

// Convert PUB to PDF file
PubFactory.createPdfConverter().convertToPdf(doc, "Test.pdf");

Document document = new Document("Test.pdf");
facades.PdfFileInfo info = new facades.PdfFileInfo(document);

// Get page dimensions from the PDF document
int width = (int) info.getPageWidth((int)(1));
int height = (int) info.getPageHeight((int)(1));

devices.Resolution resolution = new devices.Resolution(300); 

devices.TiffSettings settings = new devices.TiffSettings();
settings.setCompression(devices.CompressionType.None);
settings.setDepth(devices.ColorDepth.Default);

// Create TIFF device with specified Width and Height
devices.TiffDevice tiffDevice = new devices.TiffDevice(width, height , resolution, settings);

// Convert PUB to TIFF image
tiffDevice.process(document, "Output.tiff");