/*
* $Id$
*
* This code is part of the 'iText Tutorial'.
* You can find the complete tutorial at the following address:
* http://itextdocs.lowagie.com/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.
*
* itext-questions@lists.sourceforge.net
*/
package com.lowagie.examples.objects.images;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.RandomAccessFile;
import com.lowagie.text.LwgDocument;
import com.lowagie.text.DocumentException;
import com.lowagie.text.LwgImage;
import com.lowagie.text.pdf.PdfWriter;
/**
* Using raw data to construct an LwgImage object.
*/
public class RawData {
/**
* Raw data.
* @param args no arguments needed
*/
public static void main(String[] args) {
System.out.println("bytes[] / raw image");
// step 1: creation of a document-object
LwgDocument document = new LwgDocument();
try {
// step 2:
// we create a writer that listens to the document
// and directs a PDF-stream to a file
PdfWriter.getInstance(document, new FileOutputStream("rawdata.pdf"));
// step 3: we open the document
document.open();
// step 4: we add content (example by Paulo Soares)
// creation a jpeg passed as an array of bytes to the LwgImage
RandomAccessFile rf = new RandomAccessFile("otsoe.jpg", "r");
int size = (int)rf.length();
byte imext[] = new byte[size];
rf.readFully(imext);
rf.close();
LwgImage img1 = LwgImage.getInstance(imext);
img1.setAbsolutePosition(50, 500);
document.add(img1);
// creation of an image of 100 x 100 pixels (x 3 bytes for the Red, Green and Blue value)
byte data[] = new byte[100*100*3];
for (int k = 0; k < 100; ++k) {
for (int j = 0; j < 300; j += 3) {
data[k * 300 + j] = (byte)(255 * Math.sin(j * .5 * Math.PI / 300));
data[k * 300 + j + 1] = (byte)(256 - j * 256 / 300);
data[k * 300 + j + 2] = (byte)(255 * Math.cos(k * .5 * Math.PI / 100));
}
}
LwgImage img2 = LwgImage.getInstance(100, 100, 3, 8, data);
img2.setAbsolutePosition(200, 200);
document.add(img2);
}
catch(DocumentException de) {
System.err.println(de.getMessage());
}
catch(IOException ioe) {
System.err.println(ioe.getMessage());
}
// step 5: we close the document
document.close();
}
}