Java Tutorial/PDF/Annotation
Add Annotation
import java.io.FileOutputStream;
import java.util.HashMap;
import java.util.List;
import com.lowagie.text.PageSize;
import com.lowagie.text.Rectangle;
import com.lowagie.text.pdf.BaseFont;
import com.lowagie.text.pdf.PdfAnnotation;
import com.lowagie.text.pdf.PdfContentByte;
import com.lowagie.text.pdf.PdfReader;
import com.lowagie.text.pdf.PdfStamper;
import com.lowagie.text.pdf.SimpleBookmark;
public class MainClass {
public static void main(String[] args) throws Exception {
BaseFont bf = BaseFont.createFont(BaseFont.HELVETICA, BaseFont.WINANSI, BaseFont.NOT_EMBEDDED);
PdfReader reader = new PdfReader("test.pdf");
PdfStamper stamper = new PdfStamper(reader, new FileOutputStream("my.pdf"));
stamper.insertPage(1, PageSize.A4);
PdfContentByte cb = stamper.getOverContent(1);
cb.beginText();
cb.setFontAndSize(bf, 18);
cb.setTextMatrix(36, 770);
cb.showText("Inserted Title Page");
cb.endText();
stamper.addAnnotation(PdfAnnotation.createText(stamper.getWriter(), new Rectangle(30f, 750f,
80f, 800f), "inserted page", "This page is the title page.", true, null), 1);
stamper.close();
}
}
Annotated Images
import java.io.FileOutputStream;
import com.lowagie.text.Annotation;
import com.lowagie.text.Document;
import com.lowagie.text.Image;
import com.lowagie.text.PageSize;
import com.lowagie.text.pdf.PdfWriter;
public class MainClass {
public static void main(String[] args) throws Exception {
Document document = new Document(PageSize.A4, 50, 50, 50, 50);
PdfWriter.getInstance(document, new FileOutputStream("2.pdf"));
document.open();
Image gif = Image.getInstance("Logo.gif");
gif.setAnnotation(new Annotation(0, 0, 0, 0, "http://www.jexp.ru"));
gif.setAbsolutePosition(30f, 750f);
document.add(gif);
Image jpeg = Image.getInstance("dog.jpg");
jpeg.setAnnotation(new Annotation("picture", "dog", 0, 0,
0, 0));
jpeg.setAbsolutePosition(120f, 550f);
document.add(jpeg);
document.close();
}
}
PdfAnnotation and Javascript
import java.io.FileOutputStream;
import com.lowagie.text.Chunk;
import com.lowagie.text.Document;
import com.lowagie.text.Rectangle;
import com.lowagie.text.pdf.PdfAction;
import com.lowagie.text.pdf.PdfAnnotation;
import com.lowagie.text.pdf.PdfWriter;
public class MainClass {
public static void main(String[] args) throws Exception {
Document document = new Document();
PdfWriter writer = PdfWriter
.getInstance(document, new FileOutputStream("2.pdf"));
document.open();
PdfAnnotation text = PdfAnnotation.createText(writer, new Rectangle(200f, 250f, 300f, 350f),
"Fox", "The fox is quick", true, "Comment");
PdfAnnotation javascript = new PdfAnnotation(writer, 200f, 550f, 300f, 650f, PdfAction
.javaScript("app.alert("hi");\r", writer));
Chunk fox = new Chunk("test").setAnnotation(text);
Chunk dog = new Chunk("javascript").setAnnotation(javascript);
document.add(fox);
document.add(dog);
document.close();
}
}
Text Annotations
import java.io.FileOutputStream;
import com.lowagie.text.Document;
import com.lowagie.text.Rectangle;
import com.lowagie.text.pdf.PdfAnnotation;
import com.lowagie.text.pdf.PdfWriter;
public class MainClass {
public static void main(String[] args) throws Exception {
Document document = new Document();
PdfWriter writer = PdfWriter
.getInstance(document, new FileOutputStream("2.pdf"));
document.open();
writer.addAnnotation(PdfAnnotation.createText(writer, new Rectangle(50, 780, 70, 800),
"Comment", "This is a Comment", false, "Comment"));
writer.addAnnotation(PdfAnnotation.createText(writer, new Rectangle(100, 780, 120, 800),
"Help", "This is a Help ", true, "Help"));
document.close();
}
}