This example was written in response to questions such as:
MakeA3Booklet.java
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/*
This file is part of the iText (R) project.
Copyright (c) 1998-2019 iText Group NV
Authors: iText Software.
For more information, please contact iText Software at this address:
sales@itextpdf.com
*/
/**
* Example written by Bruno Lowagie in answer to a question on StackOverflow:
* http://stackoverflow.com/questions/34019298
*/
package com.itextpdf.samples.sandbox.merge;
import com.itextpdf.kernel.geom.PageSize;
import com.itextpdf.kernel.pdf.PdfDocument;
import com.itextpdf.kernel.pdf.PdfReader;
import com.itextpdf.kernel.pdf.PdfWriter;
import com.itextpdf.kernel.pdf.canvas.PdfCanvas;
import com.itextpdf.kernel.pdf.xobject.PdfFormXObject;
import com.itextpdf.samples.GenericTest;
import com.itextpdf.test.annotations.type.SampleTest;
import org.junit.experimental.categories.Category;
import java.io.File;
import java.io.IOException;
@Category(SampleTest.class)
public class MakeA3Booklet extends GenericTest {
public static final String DEST = "./target/test/resources/sandbox/merge/make_a3_booklet.pdf";
public static final String SRC = "./src/test/resources/pdfs/primes.pdf";
public static void main(String[] args) throws IOException {
File file = new File(DEST);
file.getParentFile().mkdirs();
new MakeA3Booklet().manipulatePdf(DEST);
}
public void manipulatePdf(String dest) throws IOException {
PdfDocument srcDoc = new PdfDocument(new PdfReader(SRC));
PdfDocument pdfDoc = new PdfDocument(new PdfWriter(dest));
// Note that it is not necessary to create new PageSize object,
// but for testing reasons (connected to parallelization) we call constructor here
pdfDoc.setDefaultPageSize(new PageSize(PageSize.A3).rotate());
PdfCanvas canvas = new PdfCanvas(pdfDoc.addNewPage());
float a4_width = PageSize.A4.getWidth();
int n = srcDoc.getNumberOfPages();
int p = 0;
PdfFormXObject page;
while (p++ < n) {
page = srcDoc.getPage(p).copyAsFormXObject(pdfDoc);
if (p % 2 == 1) {
canvas.addXObject(page, 0, 0);
} else {
canvas.addXObject(page, a4_width, 0);
canvas = new PdfCanvas(pdfDoc.addNewPage());
}
}
pdfDoc.close();
srcDoc.close();
}
}
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/*
This file is part of the iText (R) project.
Copyright (c) 1998-2019 iText Group NV
Authors: iText Software.
For more information, please contact iText Software at this address:
sales@itextpdf.com
*/
/**
* Example written by Bruno Lowagie in answer to a question on StackOverflow:
* http://stackoverflow.com/questions/34432502
*/
package com.itextpdf.samples.sandbox.merge;
import com.itextpdf.kernel.geom.AffineTransform;
import com.itextpdf.kernel.geom.PageSize;
import com.itextpdf.kernel.pdf.PdfDocument;
import com.itextpdf.kernel.pdf.PdfReader;
import com.itextpdf.kernel.pdf.PdfWriter;
import com.itextpdf.kernel.pdf.canvas.PdfCanvas;
import com.itextpdf.kernel.pdf.xobject.PdfFormXObject;
import com.itextpdf.samples.GenericTest;
import com.itextpdf.test.annotations.type.SampleTest;
import org.junit.experimental.categories.Category;
import java.io.File;
import java.io.IOException;
@Category(SampleTest.class)
public class MakeBooklet extends GenericTest {
public static final String DEST = "./target/test/resources/sandbox/merge/make_booklet.pdf";
public static final String SRC = "./src/test/resources/pdfs/primes.pdf";
public static void main(String[] args) throws IOException {
File file = new File(DEST);
file.getParentFile().mkdirs();
new MakeBooklet().manipulatePdf(DEST);
}
public void addPage(PdfCanvas canvas, PdfDocument srcDoc, PdfDocument pdfDoc, int p, float x) throws IOException {
if (p > srcDoc.getNumberOfPages()) {
return;
}
PdfFormXObject page = srcDoc.getPage(p).copyAsFormXObject(pdfDoc);
canvas.addXObject(page, x, 0);
}
public void manipulatePdf(String dest) throws IOException {
PdfDocument srcDoc = new PdfDocument(new PdfReader(SRC));
PdfDocument pdfDoc = new PdfDocument(new PdfWriter(dest));
float a4_width = PageSize.A4.getWidth();
float a4_height = PageSize.A4.getHeight();
PageSize pagesize = new PageSize(a4_width * 4, a4_height * 2);
pdfDoc.setDefaultPageSize(pagesize);
PdfCanvas canvas = new PdfCanvas(pdfDoc.addNewPage());
int n = srcDoc.getNumberOfPages();
int p = 1;
while ((p - 1) / 16 <= n / 16) {
addPage(canvas, srcDoc, pdfDoc, p + 3, 0);
addPage(canvas, srcDoc, pdfDoc, p + 12, a4_width);
addPage(canvas, srcDoc, pdfDoc, p + 15, a4_width * 2);
addPage(canvas, srcDoc, pdfDoc, p, a4_width * 3);
AffineTransform at = AffineTransform.getRotateInstance((float) -Math.PI);
at.concatenate(AffineTransform.getTranslateInstance(0, -a4_height * 2));
canvas.saveState();
canvas.concatMatrix(at);
addPage(canvas, srcDoc, pdfDoc, p + 4, -a4_width);
addPage(canvas, srcDoc, pdfDoc, p + 11, -a4_width * 2);
addPage(canvas, srcDoc, pdfDoc, p + 8, -a4_width * 3);
addPage(canvas, srcDoc, pdfDoc, p + 7, -a4_width * 4);
canvas.restoreState();
canvas = new PdfCanvas(pdfDoc.addNewPage());
addPage(canvas, srcDoc, pdfDoc, p + 1, 0);
addPage(canvas, srcDoc, pdfDoc, p + 14, a4_width);
addPage(canvas, srcDoc, pdfDoc, p + 13, a4_width * 2);
addPage(canvas, srcDoc, pdfDoc, p + 2, a4_width * 3);
canvas.saveState();
canvas.concatMatrix(at);
addPage(canvas, srcDoc, pdfDoc, p + 6, -a4_width);
addPage(canvas, srcDoc, pdfDoc, p + 9, -a4_width * 2);
addPage(canvas, srcDoc, pdfDoc, p + 10, -a4_width * 3);
addPage(canvas, srcDoc, pdfDoc, p + 5, -a4_width * 4);
canvas.restoreState();
if ((p - 1) / 16 < n / 16) {
canvas = new PdfCanvas(pdfDoc.addNewPage());
}
p += 16;
}
pdfDoc.close();
srcDoc.close();
}
}
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/*
This file is part of the iText (R) project.
Copyright (c) 1998-2019 iText Group NV
Authors: iText Software.
For more information, please contact iText Software at this address:
sales@itextpdf.com
*/
/**
* Example written by Bruno Lowagie in answer to a question on StackOverflow:
* http://stackoverflow.com/questions/34432502
*/
package com.itextpdf.samples.sandbox.merge;
import com.itextpdf.kernel.geom.PageSize;
import com.itextpdf.kernel.pdf.PdfDocument;
import com.itextpdf.kernel.pdf.PdfReader;
import com.itextpdf.kernel.pdf.PdfWriter;
import com.itextpdf.kernel.pdf.canvas.PdfCanvas;
import com.itextpdf.kernel.pdf.xobject.PdfFormXObject;
import com.itextpdf.samples.GenericTest;
import com.itextpdf.test.annotations.type.SampleTest;
import org.junit.experimental.categories.Category;
import java.io.File;
import java.io.IOException;
@Category(SampleTest.class)
public class MakeBookletA3 extends GenericTest {
public static final String DEST = "./target/test/resources/sandbox/merge/make_booklet_a3.pdf";
public static final String SRC = "./src/test/resources/pdfs/primes.pdf";
public static void main(String[] args) throws IOException {
File file = new File(DEST);
file.getParentFile().mkdirs();
new MakeBookletA3().manipulatePdf(DEST);
}
public void addPage(PdfCanvas canvas, PdfDocument srcDoc, PdfDocument pdfDoc, int p, float x) throws IOException {
if (p > srcDoc.getNumberOfPages()) {
return;
}
PdfFormXObject page = srcDoc.getPage(p).copyAsFormXObject(pdfDoc);
canvas.addXObject(page, x, 0);
}
public void manipulatePdf(String dest) throws IOException {
PdfDocument srcDoc = new PdfDocument(new PdfReader(SRC));
PdfDocument pdfDoc = new PdfDocument(new PdfWriter(dest));
PageSize pageSize = new PageSize(
PageSize.A4.getWidth() * 2,
PageSize.A4.getHeight());
pdfDoc.setDefaultPageSize(pageSize);
PdfCanvas canvas = new PdfCanvas(pdfDoc.addNewPage());
float a4_width = PageSize.A4.getWidth();
int n = srcDoc.getNumberOfPages();
int p = 1;
while ((p - 1) / 4 <= n / 4) {
addPage(canvas, srcDoc, pdfDoc, p + 3, 0);
addPage(canvas, srcDoc, pdfDoc, p, a4_width);
canvas = new PdfCanvas(pdfDoc.addNewPage());
addPage(canvas, srcDoc, pdfDoc, p + 1, 0);
addPage(canvas, srcDoc, pdfDoc, p + 2, a4_width);
if ((p - 1) / 4 < n / 4) {
canvas = new PdfCanvas(pdfDoc.addNewPage());
}
p += 4;
}
pdfDoc.close();
srcDoc.close();
}
}