/*
* $Id$
*
* 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 com.lowagie.text.LwgDocument;
import com.lowagie.text.LwgImage;
import com.lowagie.text.LwgPageSize;
import com.lowagie.text.Paragraph;
import com.lowagie.text.pdf.PdfContentByte;
import com.lowagie.text.pdf.PdfWriter;
/**
* Applying a mask to an LwgImage.
*/
public class ImageMasks {
/**
* Applying masks to images.
* @param args no arguments needed
*/
public static void main(String[] args) {
System.out.println("masked images");
LwgDocument document = new LwgDocument(LwgPageSize.A4, 50, 50, 50, 50);
try {
PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream("maskedImages.pdf"));
document.open();
Paragraph p = new Paragraph("Some text behind a masked image.");
document.add(p);
document.add(p);
document.add(p);
document.add(p);
document.add(p);
document.add(p);
document.add(p);
document.add(p);
document.add(p);
document.add(p);
document.add(p);
document.add(p);
document.add(p);
document.add(p);
document.add(p);
document.add(p);
document.add(p);
document.add(p);
document.add(p);
document.add(p);
document.add(p);
document.add(p);
document.add(p);
document.add(p);
document.add(p);
PdfContentByte cb = writer.getDirectContent();
byte maskr[] = {(byte)0x3c, (byte)0x7e, (byte)0xe7, (byte)0xc3, (byte)0xc3, (byte)0xe7, (byte)0x7e, (byte)0x3c};
LwgImage mask = LwgImage.getInstance(8, 8, 1, 1, maskr);
mask.makeMask();
mask.setInverted(true);
LwgImage image = LwgImage.getInstance("otsoe.jpg");
image.setImageMask(mask);
image.setAbsolutePosition(60, 550);
// explicit masking
cb.addImage(image);
// stencil masking
cb.setRGBColorFill(255, 0, 0);
cb.addImage(mask, mask.getScaledWidth() * 8, 0, 0, mask.getScaledHeight() * 8, 100, 450);
cb.setRGBColorFill(0, 255, 0);
cb.addImage(mask, mask.getScaledWidth() * 8, 0, 0, mask.getScaledHeight() * 8, 100, 400);
cb.setRGBColorFill(0, 0, 255);
cb.addImage(mask, mask.getScaledWidth() * 8, 0, 0, mask.getScaledHeight() * 8, 100, 350);
document.close();
}
catch (Exception de) {
de.printStackTrace();
}
}
}