/* * $Id: BarcodeEANSUPP.java 5075 2012-02-27 16:36:18Z blowagie $ * * This file is part of the iText (R) project. * Copyright (c) 1998-2012 1T3XT BVBA * Authors: Bruno Lowagie, Paulo Soares, et al. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License version 3 * as published by the Free Software Foundation with the addition of the * following permission added to Section 15 as permitted in Section 7(a): * FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY 1T3XT, * 1T3XT DISCLAIMS THE WARRANTY OF NON INFRINGEMENT OF THIRD PARTY RIGHTS. * * This program 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. * See the GNU Affero General Public License for more details. * You should have received a copy of the GNU Affero General Public License * along with this program; if not, see http://www.gnu.org/licenses or write to * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, * Boston, MA, 02110-1301 USA, or download the license from the following URL: * http://itextpdf.com/terms-of-use/ * * The interactive user interfaces in modified source and object code versions * of this program must display Appropriate Legal Notices, as required under * Section 5 of the GNU Affero General Public License. * * In accordance with Section 7(b) of the GNU Affero General Public License, * a covered work must retain the producer line in every PDF that is created * or manipulated using iText. * * You can be released from the requirements of the license by purchasing * a commercial license. Buying such a license is mandatory as soon as you * develop commercial activities involving the iText software without * disclosing the source code of your own applications. * These activities include: offering paid services to customers as an ASP, * serving PDFs on the fly in a web application, shipping iText with a closed * source product. * * For more information, please contact iText Software Corp. at this * address: sales@itextpdf.com */ package com.lowagie.text.pdf; import com.lowagie.text.error_messages.MessageLocalization; import com.lowagie.text.Rectangle; import com.lowagie.text.BaseColor; /** This class takes 2 barcodes, an EAN/UPC and a supplemental * and creates a single barcode with both combined in the * expected layout. The UPC/EAN should have a positive text * baseline and the supplemental a negative one (in the supplemental * the text is on the top of the barcode.

* The default parameters are: * 

 *n = 8; // horizontal distance between the two barcodes
 *
* * @author Paulo Soares */ public class BarcodeEANSUPP extends Barcode{ /** The barcode with the EAN/UPC. */ protected Barcode ean; /** The barcode with the supplemental. */ protected Barcode supp; /** Creates new combined barcode. * @param ean the EAN/UPC barcode * @param supp the supplemental barcode */ public BarcodeEANSUPP(Barcode ean, Barcode supp) { n = 8; // horizontal distance between the two barcodes this.ean = ean; this.supp = supp; } /** Gets the maximum area that the barcode and the text, if * any, will occupy. The lower left corner is always (0, 0). * @return the size the barcode occupies. */ public Rectangle getBarcodeSize() { Rectangle rect = ean.getBarcodeSize(); rect.setRight(rect.getWidth() + supp.getBarcodeSize().getWidth() + n); return rect; } /** Places the barcode in a PdfContentByte. The * barcode is always placed at coordinates (0, 0). Use the * translation matrix to move it elsewhere.

* The bars and text are written in the following colors:

*

* * * * * * * * * * * * * * * * * * * * * * * * * *

barColor

textColor

Result

null

null

bars and text painted with current fill color

barColor

null

bars and text painted with barColor

null

textColor

bars painted with current color
text painted with textColor

barColor

textColor

bars painted with barColor
text painted with textColor

* @param cb the PdfContentByte where the barcode will be placed * @param barColor the color of the bars. It can be null * @param textColor the color of the text. It can be null * @return the dimensions the barcode occupies */ public Rectangle placeBarcode(PdfContentByte cb, BaseColor barColor, BaseColor textColor) { if (supp.getFont() != null) supp.setBarHeight(ean.getBarHeight() + supp.getBaseline() - supp.getFont().getFontDescriptor(BaseFont.CAPHEIGHT, supp.getSize())); else supp.setBarHeight(ean.getBarHeight()); Rectangle eanR = ean.getBarcodeSize(); cb.saveState(); ean.placeBarcode(cb, barColor, textColor); cb.restoreState(); cb.saveState(); cb.concatCTM(1, 0, 0, 1, eanR.getWidth() + n, eanR.getHeight() - ean.getBarHeight()); supp.placeBarcode(cb, barColor, textColor); cb.restoreState(); return getBarcodeSize(); } // AWT related methods (remove this if you port to Android / GAE) /** Creates a java.awt.Image. This image only * contains the bars without any text. * @param foreground the color of the bars * @param background the color of the background * @return the image */ public java.awt.Image createAwtImage(java.awt.Color foreground, java.awt.Color background) { throw new UnsupportedOperationException(MessageLocalization.getComposedMessage("the.two.barcodes.must.be.composed.externally")); } }