package com.aspose.pdf.examples.AsposePdfExamples.Annotations; import com.aspose.pdf.AnnotationFlags; import com.aspose.pdf.AnnotationState; import com.aspose.pdf.Border; import com.aspose.pdf.Dash; import com.aspose.pdf.DefaultAppearance; import com.aspose.pdf.Document; import com.aspose.pdf.FreeTextAnnotation; import com.aspose.pdf.Rectangle; import com.aspose.pdf.TextAnnotation; import com.aspose.pdf.TextIcon; public class AddAnnotationToPDF { public static void main(String[] args) { addAnnotationToPDF(); invisibleAnnotation(); } public static void addAnnotationToPDF() { // Open the source PDF document Document pdfDocument = new Document("input.pdf"); // Create annotation TextAnnotation textAnnotation = new TextAnnotation(pdfDocument.getPages().get_Item(1), new Rectangle(200, 400, 400, 600)); // Set annotation title textAnnotation.setTitle("Sample Annotation Title"); // Set annotation subject textAnnotation.setSubject("Sample Subject"); textAnnotation.setState(AnnotationState.Accepted); // Specify the annotation contents textAnnotation.setContents("Sample contents for the annotation"); textAnnotation.setOpen(true); textAnnotation.setIcon(TextIcon.Key); Border border = new Border(textAnnotation); border.setWidth(5); border.setDash(new Dash(1, 1)); textAnnotation.setBorder(border); textAnnotation.setRect(new Rectangle(200, 400, 400, 600)); // Add annotation in the annotations collection of the page pdfDocument.getPages().get_Item(1).getAnnotations().add(textAnnotation); // Save the output file pdfDocument.save("output.pdf"); } public static void invisibleAnnotation() { Document doc = new Document(); doc.getPages().add(); FreeTextAnnotation annotation = new FreeTextAnnotation(doc.getPages().get_Item(1), new Rectangle(50, 600, 250, 650), new DefaultAppearance("Helvetica", 16, java.awt.Color.RED)); annotation.setContents("ABCDEFG"); annotation.getCharacteristics().setBorder(java.awt.Color.RED); annotation.setFlags(AnnotationFlags.Print | AnnotationFlags.NoView); doc.getPages().get_Item(1).getAnnotations().add(annotation); doc.save("Invisible_Annotation.pdf"); } }