This page (revision-1) was last changed on 04-Jun-2012 22:51 by JensKapitza 

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Version Date Modified Size Author Changes ... Change note
1 04-Jun-2012 22:51 5 KB JensKapitza PDFbox

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PDFBoxResizePageAndAddTitleAndHeader
PDFBoxResizePageAndAddTitleAndHeader

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PDFBox zum pdf bearbeiten ignoriere hier alle Exceptions abgeändert aus zwei anderen Beispielen aus dem SVN



{{{
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements.  See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License.  You may obtain a copy of the License at
*
*      http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.pdfbox.examples.pdmodel;

import java.awt.Color;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
import java.awt.image.BufferedImage;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.util.List;

import javax.imageio.ImageIO;

import org.apache.pdfbox.exceptions.COSVisitorException;
import org.apache.pdfbox.pdmodel.PDDocument;
import org.apache.pdfbox.pdmodel.PDPage;
import org.apache.pdfbox.pdmodel.common.PDRectangle;
import org.apache.pdfbox.pdmodel.edit.PDPageContentStream;
import org.apache.pdfbox.pdmodel.font.PDFont;
import org.apache.pdfbox.pdmodel.font.PDType1Font;
import org.apache.pdfbox.pdmodel.graphics.xobject.PDJpeg;

public class AddMessageToEachPage {

   public void doIt(String file, String header, String outfile)
   throws IOException, COSVisitorException {

PDDocument doc = PDDocument.load(file);
List<?> allPages = doc.getDocumentCatalog().getAllPages();
PDFont font = PDType1Font.HELVETICA_BOLD;
float fontSize = 12.0f;

//

// doc.addPage(page);
//
PDPage pagex = new PDPage(PDPage.PAGE_SIZE_A4);

BufferedImage image = new BufferedImage((int) pagex.getMediaBox()
.getWidth(), 100, BufferedImage.TYPE_INT_RGB);
Graphics2D g = image.createGraphics();
g.setColor(Color.red);
g.setBackground(Color.white);
g.setFont(g.getFont().deriveFont(50f));
g.clearRect(0, 0, image.getWidth(), image.getHeight());
g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, // Anti-alias!
RenderingHints.VALUE_ANTIALIAS_OFF);

g.drawString("Hallo PDFBox", 100, 100);
g.dispose();

ByteArrayOutputStream bos = new ByteArrayOutputStream();
ImageIO.write(image, "jpeg", bos);

PDJpeg ximage = new PDJpeg(doc, new ByteArrayInputStream(
bos.toByteArray()));

PDPageContentStream contentStream1 = new PDPageContentStream(doc, pagex);

contentStream1.beginText();
contentStream1.setFont(font, 12);
contentStream1.moveTextPositionByAmount(100, 700);
contentStream1.drawString("Hello World !!!");
contentStream1.endText();

contentStream1.drawImage(ximage, 20, 20);
contentStream1.close();

// zur richtigen ausgabe (reihenfolge)
PDDocument dx = new PDDocument();
dx.addPage(pagex);

for (int i = 0; i < allPages.size(); i++) {
   PDPage page = (PDPage) allPages.get(i);
   PDRectangle pageSize = page.findMediaBox();
   PDRectangle x = new PDRectangle(pageSize.getWidth(),
   pageSize.getHeight() + fontSize);
   // hier wird die seite vergrößert um nichts zu übermalen
   page.setMediaBox(x);

   float stringWidth = font.getStringWidth(header) * fontSize / 1000f;
   // calculate to center of the page
   int rotation = page.findRotation();
   boolean rotate = rotation == 90 || rotation == 270;
   float pageWidth = rotate ? pageSize.getHeight() : pageSize
   .getWidth();
   float pageHeight = rotate ? pageSize.getWidth() : pageSize
   .getHeight();
   double centeredXPosition = rotate ? pageHeight / 2f
   : (pageWidth - stringWidth) / 2f;
   double centeredYPosition = rotate ? (pageWidth - stringWidth) / 2f
   : pageHeight / 2f;
   // append the content to the existing stream
   PDPageContentStream contentStream = new PDPageContentStream(doc,
   page, true, true, true);
   contentStream.beginText();
   // set font and font size
   contentStream.setFont(font, fontSize);
   // set text color to red
   contentStream.setNonStrokingColor(255, 0, 0);
   if (rotate) {
// rotate the text according to the page rotation
contentStream.setTextRotation(Math.PI / 2, centeredXPosition,
centeredYPosition);
   } else {
contentStream.setTextTranslation(0, pageHeight);
   }
   contentStream.drawString(header);
   contentStream.endText();
   contentStream.close();

   // import nicht addpage
   // da die sachen aus einem anderem PDF stammen
   dx.importPage(page);
}

// doc.getDocumentCatalog().getAllPages().add(0, pagex);
dx.save(outfile);
dx.close();
doc.close();
   }

   public static void main(String[] args) {
AddMessageToEachPage app = new AddMessageToEachPage();
try {
   app.doIt("store.pdf", "Was ein cooler Header", "m2e.pdf");
} catch (Exception e) {
   e.printStackTrace();
}
   }

}


}}}
This page (revision-1) was last changed on 04-Jun-2012 22:51 by JensKapitza  Top