/*
* 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.image.BufferedImage;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import javax.imageio.ImageIO;
import org.apache.pdfbox.exceptions.COSVisitorException;
import org.apache.pdfbox.io.RandomAccessFile;
import org.apache.pdfbox.pdmodel.PDDocument;
import org.apache.pdfbox.pdmodel.PDPage;
import org.apache.pdfbox.pdmodel.edit.PDPageContentStream;
import org.apache.pdfbox.pdmodel.graphics.xobject.PDCcitt;
import org.apache.pdfbox.pdmodel.graphics.xobject.PDJpeg;
import org.apache.pdfbox.pdmodel.graphics.xobject.PDPixelMap;
import org.apache.pdfbox.pdmodel.graphics.xobject.PDXObjectImage;
/**
* This is an example that creates a simple document.
*
* The example is taken from the pdf file format specification.
*
* @author <a href="mailto:ben@benlitchfield.com">Ben Litchfield</a>
* @version $Revision: 1.7 $
*/
public class ImageToPDF
{
/**
* create the second sample document from the PDF file format specification.
*
* @param file The file to write the PDF to.
* @param image The filename of the image to put in the PDF.
*
* @throws IOException If there is an error writing the data.
* @throws COSVisitorException If there is an error writing the PDF.
*/
public void createPDFFromImage( String file, String image) throws IOException, COSVisitorException
{
// the document
PDDocument doc = null;
try
{
doc = new PDDocument();
PDPage page = new PDPage();
doc.addPage( page );
PDXObjectImage ximage = null;
if( image.toLowerCase().endsWith( ".jpg" ) )
{
ximage = new PDJpeg(doc, new FileInputStream( image ) );
}
else if (image.toLowerCase().endsWith(".tif") || image.toLowerCase().endsWith(".tiff"))
{
ximage = new PDCcitt(doc, new RandomAccessFile(new File(image),"r"));
}
else
{
BufferedImage awtImage = ImageIO.read( new File( image ) );
ximage = new PDPixelMap(doc, awtImage);
}
PDPageContentStream contentStream = new PDPageContentStream(doc, page);
//contentStream.drawImage(ximage, 20, 20 );
// better method inspired by http://stackoverflow.com/a/22318681/535646
float scale = 1f; // reduce this value if the image is too large
contentStream.drawXObject(ximage, 20, 20, ximage.getWidth()*scale, ximage.getHeight()*scale);
contentStream.close();
doc.save( file );
}
finally
{
if( doc != null )
{
doc.close();
}
}
}
/**
* This will create a PDF document with a single image on it.
* <br />
* see usage() for commandline
*
* @param args Command line arguments.
*/
public static void main(String[] args)
{
ImageToPDF app = new ImageToPDF();
try
{
if( args.length != 2 )
{
app.usage();
}
else
{
app.createPDFFromImage( args[0], args[1] );
}
}
catch (Exception e)
{
e.printStackTrace();
}
}
/**
* This will print out a message telling how to use this example.
*/
private void usage()
{
System.err.println( "usage: " + this.getClass().getName() + " <output-file> <image>" );
}
}