Java Tutorial/PDF/PDF Page

Материал из Java эксперт
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Add a new page

import java.awt.Color;
import java.io.FileOutputStream;
import com.lowagie.text.Chunk;
import com.lowagie.text.Document;
import com.lowagie.text.Font;
import com.lowagie.text.FontFactory;
import com.lowagie.text.Paragraph;
import com.lowagie.text.pdf.PdfWriter;
public class MainClass {
  public static void main(String[] args) throws Exception {
    Document document = new Document();
    PdfWriter writerA = PdfWriter.getInstance(document, new FileOutputStream("2.pdf"));
    PdfWriter writerB = PdfWriter.getInstance(document, new FileOutputStream("3.pdf"));
    document.open();
    Font font = FontFactory.getFont(FontFactory.HELVETICA, 12, Font.UNDERLINE, new Color(0, 0, 255));
    Paragraph p1 = new Paragraph("1");
    Chunk chunk = new Chunk(" 2", font);
    chunk.setRemoteGoto("dog.pdf", "2");
    p1.add(chunk);
    Paragraph p2 = new Paragraph("test");
    writerB.pause();
    document.add(p1);
    writerB.resume();
    document.add(p2);
    writerA.resume();
    writerB.pause();
    document.newPage();
    document.add(new Paragraph("page 2"));
    document.newPage();
    document.add(new Paragraph("page 3"));
    writerB.resume();
    document.close();
  }
}





Import pages as an Image

import java.io.FileOutputStream;
import com.lowagie.text.Document;
import com.lowagie.text.Image;
import com.lowagie.text.PageSize;
import com.lowagie.text.Paragraph;
import com.lowagie.text.Rectangle;
import com.lowagie.text.pdf.GrayColor;
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("HelloWorldToImport.pdf");
    PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream(
        "HelloWorldImportedPages.pdf"));
    document.open();
    document.add(new Paragraph("This is page 1:"));
    PdfImportedPage page = writer.getImportedPage(reader, 1);
    Image image = Image.getInstance(page);
    image.scalePercent(15f);
    image.setBorder(Rectangle.BOX);
    image.setBorderWidth(3f);
    image.setBorderColor(new GrayColor(0.5f));
    document.add(image);
    document.add(new Paragraph("This is page 2:"));
    page = writer.getImportedPage(reader, 2);
    image = Image.getInstance(page);
    image.scalePercent(15f);
    image.setBorder(Rectangle.BOX);
    image.setBorderWidth(3f);
    image.setBorderColor(new GrayColor(0.5f));
    document.add(image);
    document.add(new Paragraph("This is page 3:"));
    page = writer.getImportedPage(reader, 4);
    image = Image.getInstance(page);
    image.scalePercent(15f);
    image.setBorder(Rectangle.BOX);
    image.setBorderWidth(3f);
    image.setBorderColor(new GrayColor(0.5f));
    document.add(image);
    System.out.println("Tampered? " + reader.isTampered());
    document.close();
  }
}