Manipulate PDF pages

final PdfManipulator pdf = new PdfManipulator();
pdf.loadDocument(new File("inputFile.pdf"));
pdf.addPage(1, PaperSize.A4_LANDSCAPE);
pdf.apply();
pdf.writeDocument(new File("outputFile.pdf"));

final PdfManipulator pdf = new PdfManipulator();
pdf.loadDocument(new File("inputFile.pdf"));
pdf.copyPage(1, 2);
pdf.apply();
pdf.writeDocument(new File("outputFile.pdf"));

final PdfManipulator pdf = new PdfManipulator();
pdf.loadDocument(new File("inputFile.pdf"));
pdf.removePage(1);
pdf.apply();
pdf.writeDocument(new File("outputFile.pdf"));

final PdfManipulator pdf = new PdfManipulator();
pdf.loadDocument(new File("inputFile.pdf"));
pdf.scalePage(1, 0.5f, 0.5f);
pdf.apply();
pdf.writeDocument(new File("outputFile.pdf"));

final PdfManipulator pdf = new PdfManipulator();
pdf.loadDocument(new File("inputFile.pdf"));
// Arrange pages 1-10 in a 2x2 grid using as many pages as necessary.
pdf.nUp(new PageRanges(1, 10), 2, 2);
// Arrange pages 1-10 in a 2x2 grid using as many pages as necessary with a scaling factor of one half.
pdf.nUp(new PageRanges(1, 10), 2, 2, 0.5f);
pdf.apply();
pdf.writeDocument(new File("outputFile.pdf"));

final PdfManipulator pdf = new PdfManipulator();
pdf.loadDocument(new File("inputFile.pdf"));
final Annotation[] annotations = new Annotation[2];
// Text box annotation with size 12 TimesNewRoman font red color and center aligned text.
annotations[0] = new FreeText(new float[] {400, 600, 500, 700}, "hello!", new float[] {1.0f, 0.0f, 0.0f}, BaseFont.TimesRoman, 12, Quadding.CENTRED);
// Hyperlink annotation with blue color.
annotations[1] = new Link(new float[] {200, 600, 300, 700}, new float[] {0.0f, 0.0f, 1.0f}, "https://idrsolutions.com/");
pdf.addAnnotation(1, annotations);
pdf.apply();
pdf.writeDocument(new File("outputFile.pdf"));

final PdfManipulator pdf = new PdfManipulator();
pdf.loadDocument(new File("inputFile.pdf"));
final BufferedImage img = new BufferedImage();
pdf.addImage(1, img, new float[] {0, 0, 100, 100});
pdf.apply();
pdf.writeDocument(new File("outputFile.pdf"));

final PdfManipulator pdf = new PdfManipulator();
pdf.loadDocument(new File("inputFile.pdf"));
pdf.addText(1, "Hello World", 10, 10, BaseFont.HelveticaBold, 12, 1, 0.3f, 0.2f);
pdf.apply();
pdf.writeDocument(new File("outputFile.pdf"));