Java Tutorial/PDF/Template

add Template

import java.io.FileOutputStream;
import com.lowagie.text.Document;
import com.lowagie.text.PageSize;
import com.lowagie.text.pdf.PdfContentByte;
import com.lowagie.text.pdf.PdfImportedPage;
import com.lowagie.text.pdf.PdfReader;
import com.lowagie.text.pdf.PdfWriter;
public class MainClass {
  public static void main(String[] args) throws Exception {
    Document document = new Document(PageSize.A4);
    PdfReader reader = new PdfReader("1.pdf");
    PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream("my.pdf"));
    document.open();
    PdfContentByte cb = writer.getDirectContent();
    PdfImportedPage page = writer.getImportedPage(reader, 1);
    cb.addTemplate(page, -0.5f, 0f, 0f, -0.5f, PageSize.A4.width() / 2, PageSize.A4.height());
    document.close();
  }
}

Create a template

import java.io.FileOutputStream;
import com.lowagie.text.Document;
import com.lowagie.text.Image;
import com.lowagie.text.PageSize;
import com.lowagie.text.pdf.PdfContentByte;
import com.lowagie.text.pdf.PdfTemplate;
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();
    Image img = Image.getInstance("dog.jpg");
    float w = img.scaledWidth();
    float h = img.scaledHeight();
    PdfContentByte cb = writer.getDirectContent();
    PdfTemplate t1 = cb.createTemplate(w / 2, h / 2);
    t1.addImage(img, w, 0, 0, h, 0, -h / 2);
    cb.addTemplate(t1, 36, PageSize.A4.height() - 36 - h / 2);
    document.close();
  }
}