chap1004.java

来自「java编程java编程java编程java编程java编程java编程java」· Java 代码 · 共 84 行

/*
 * $Id: Chap1004.java,v 1.5 2002/02/28 09:08:57 blowagie Exp $
 * $Name:  $
 *
 * This code is free software. It may only be copied or modified
 * if you include the following copyright notice:
 *
 * --> Copyright 2001 by Bruno Lowagie <--
 *
 * This code is part of the 'iText Tutorial'.
 * You can find the complete tutorial at the following address:
 * http://www.lowagie.com/iText/tutorial/
 *
 * This code is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 *
 * [e-mail]
 */

import java.io.FileOutputStream;
import java.io.IOException;

import com.lowagie.text.*;
import com.lowagie.text.pdf.BaseFont;
import com.lowagie.text.pdf.PdfWriter;
import com.lowagie.text.pdf.PdfContentByte;
import com.lowagie.text.pdf.PdfTemplate;

public class Chap1004 {
    
    public static void main(String[] args) {
        
        System.out.println("Chapter 10 example 4: Templates");
        
        // step 1: creation of a document-object
        Document document = new Document();
        
        try {
            
            // step 2:
            // we create a writer that listens to the document
            // and directs a PDF-stream to a file
            PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream("Chap1004.pdf"));
            
            // step 3: we open the document
            document.open();
            
            // step 4: we grab the ContentByte and do some stuff with it
            PdfContentByte cb = writer.getDirectContent();
            
            // we create a PdfTemplate
            PdfTemplate template = cb.createTemplate(50, 50);
            BaseFont bf = BaseFont.createFont(BaseFont.HELVETICA, BaseFont.CP1252, BaseFont.NOT_EMBEDDED);
            // we add a number of pages
            int i;
            for (i = 1; i < 5; i++) {
                String text = "Page " + writer.getPageNumber() + " of ";
                float len = bf.getWidthPoint(text, 12);
                cb.beginText();
                cb.setFontAndSize(bf, 12);
                cb.setTextMatrix(280, 40);
                cb.showText(text);
                cb.endText();
                cb.addTemplate(template, 280 + len, 40);
                document.newPage();
            }
            template.beginText();
            template.setFontAndSize(bf, 12);
            template.showText(String.valueOf(writer.getPageNumber() - 1));
            template.endText();
        }
        catch(DocumentException de) {
            System.err.println(de.getMessage());
        }
        catch(IOException ioe) {
            System.err.println(ioe.getMessage());
        }
        
        // step 5: we close the document
        document.close();
    }
}