Tiling images

Tags: imagestilingclippingiText 7

This example was written in answer to the question How to show an image with large dimensions across multiple pages?

Files: 
/*
 
    This file is part of the iText (R) project.
    Copyright (c) 1998-2016 iText Group NV
 
*/
 
/**
 * This code sample was written by Bruno Lowagie in answer to this question:
 * http://stackoverflow.com/questions/26859473/how-to-show-an-image-with-large-dimensions-across-multiple-pages-in-itextpdf
 */
package com.itextpdf.samples.sandbox.images;
 
import com.itextpdf.io.image.ImageData;
import com.itextpdf.io.image.ImageDataFactory;
import com.itextpdf.kernel.geom.PageSize;
import com.itextpdf.kernel.pdf.PdfDocument;
import com.itextpdf.kernel.pdf.PdfWriter;
import com.itextpdf.kernel.pdf.canvas.PdfCanvas;
import com.itextpdf.samples.GenericTest;
import com.itextpdf.test.annotations.type.SampleTest;
import org.junit.experimental.categories.Category;
 
import java.io.File;
 
@Category(SampleTest.class)
public class TiledImage extends GenericTest {
    public static final String DEST = "./target/test/resources/sandbox/images/tiled_image.pdf";
    public static final String IMAGE = "./src/test/resources/img/bruno_ingeborg.jpg";
 
    public static void main(String[] args) throws Exception {
        File file = new File(DEST);
        file.getParentFile().mkdirs();
        new TiledImage().manipulatePdf(DEST);
    }
 
    @Override
    protected void manipulatePdf(String dest) throws Exception {
        ImageData image = ImageDataFactory.create(IMAGE);
        float width = image.getWidth();
        float height = image.getHeight();
        PageSize pageSize = new PageSize(width / 2, height / 2);
 
        PdfDocument pdfDoc = new PdfDocument(new PdfWriter(dest));
        pdfDoc.setDefaultPageSize(pageSize);
 
        PdfCanvas canvas;
        canvas = new PdfCanvas(pdfDoc.addNewPage().newContentStreamBefore(),
                pdfDoc.getLastPage().getResources(), pdfDoc);
        canvas.addImage(image, width, 0, 0, height, 0, -height / 2, false);
        canvas = new PdfCanvas(pdfDoc.addNewPage().newContentStreamBefore(),
                pdfDoc.getLastPage().getResources(), pdfDoc);
        canvas.addImage(image, width, 0, 0, height, 0, 0, false);
        canvas = new PdfCanvas(pdfDoc.addNewPage().newContentStreamBefore(),
                pdfDoc.getLastPage().getResources(), pdfDoc);
        canvas.addImage(image, width, 0, 0, height, -width / 2, -height / 2, false);
        canvas = new PdfCanvas(pdfDoc.addNewPage().newContentStreamBefore(),
                pdfDoc.getLastPage().getResources(), pdfDoc);
        canvas.addImage(image, width, 0, 0, height, -width / 2, 0, false);
 
        pdfDoc.close();
    }
}
File nameRaw URLUpdated
TiledImage.javaTiledImage.java2016-08-15 1:32 pm
Resources: 
File nameRaw URLUpdated
bruno_ingeborg.jpgbruno_ingeborg.jpg2016-08-12 1:33 pm
Results: 
File nameRaw URLUpdated
cmp_tiled_image.pdfcmp_tiled_image.pdf2016-08-15 1:34 pm