/*
* $Id$
*
* 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.directcontent.coordinates;
import java.awt.geom.AffineTransform;
import java.io.FileOutputStream;
import java.io.IOException;
import com.lowagie.text.LwgDocument;
import com.lowagie.text.DocumentException;
import com.lowagie.text.LwgPageSize;
import com.lowagie.text.pdf.BaseFont;
import com.lowagie.text.pdf.PdfContentByte;
import com.lowagie.text.pdf.PdfTemplate;
import com.lowagie.text.pdf.PdfWriter;
/**
* Uses the AffineTransform class to change the transformation matrix.
*/
public class AffineTransformation {
/**
* Changes the transformation matrix with AffineTransform.
* @param args no arguments needed here
*/
public static void main(String[] args) {
System.out.println("Affine Transformation");
// step 1: creation of a document-object
LwgDocument document = new LwgDocument(LwgPageSize.A4);
try {
// step 2: creation of the writer
PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream("affinetransformation.pdf"));
// step 3: we open the document
document.open();
// step 4:
PdfContentByte cb = writer.getDirectContent();
cb.transform(AffineTransform.getScaleInstance(1.2, 0.75));
// we create a PdfTemplate
PdfTemplate template = cb.createTemplate(25, 25);
// we add some crosses to visualize the coordinates
template.moveTo(13, 0);
template.lineTo(13, 25);
template.moveTo(0, 13);
template.lineTo(50, 13);
template.stroke();
template.sanityCheck();
// we add the template on different positions
cb.addTemplate(template, 216 - 13, 720 - 13);
cb.addTemplate(template, 360 - 13, 360 - 13);
cb.addTemplate(template, 360 - 13, 504 - 13);
cb.addTemplate(template, 72 - 13, 144 - 13);
cb.addTemplate(template, 144 - 13, 288 - 13);
cb.moveTo(216, 720);
cb.lineTo(360, 360);
cb.lineTo(360, 504);
cb.lineTo(72, 144);
cb.lineTo(144, 288);
cb.stroke();
BaseFont bf = BaseFont.createFont(BaseFont.HELVETICA, BaseFont.CP1252, BaseFont.NOT_EMBEDDED);
cb.beginText();
cb.setFontAndSize(bf, 12);
cb.showTextAligned(PdfContentByte.ALIGN_CENTER, "(3\" * 1.2, 10\" * .75)", 216 + 25, 720 + 5, 0);
cb.showTextAligned(PdfContentByte.ALIGN_CENTER, "(5\" * 1.2, 5\" * .75)", 360 + 25, 360 + 5, 0);
cb.showTextAligned(PdfContentByte.ALIGN_CENTER, "(5\" * 1.2, 7\" * .75)", 360 + 25, 504 + 5, 0);
cb.showTextAligned(PdfContentByte.ALIGN_CENTER, "(1\" * 1.2, 2\" * .75)", 72 + 25, 144 + 5, 0);
cb.showTextAligned(PdfContentByte.ALIGN_CENTER, "(2\" * 1.2, 4\" * .75)", 144 + 25, 288 + 5, 0);
cb.endText();
cb.sanityCheck();
}
catch(DocumentException de) {
System.err.println(de.getMessage());
}
catch(IOException ioe) {
System.err.println(ioe.getMessage());
}
// step 5: we close the document
document.close();
}
}