aboutsummaryrefslogtreecommitdiff
path: root/src/main/java/com/lowagie/text/pdf/BarcodeEANSUPP.java
diff options
context:
space:
mode:
Diffstat (limited to 'src/main/java/com/lowagie/text/pdf/BarcodeEANSUPP.java')
-rw-r--r--src/main/java/com/lowagie/text/pdf/BarcodeEANSUPP.java153
1 files changed, 153 insertions, 0 deletions
diff --git a/src/main/java/com/lowagie/text/pdf/BarcodeEANSUPP.java b/src/main/java/com/lowagie/text/pdf/BarcodeEANSUPP.java
new file mode 100644
index 0000000..7e0d794
--- /dev/null
+++ b/src/main/java/com/lowagie/text/pdf/BarcodeEANSUPP.java
@@ -0,0 +1,153 @@
+/*
+ * Copyright 2002 by Paulo Soares.
+ *
+ * The contents of this file are subject to the Mozilla Public License Version 1.1
+ * (the "License"); you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the License.
+ *
+ * The Original Code is 'iText, a free JAVA-PDF library'.
+ *
+ * The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
+ * the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
+ * All Rights Reserved.
+ * Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
+ * are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
+ *
+ * Contributor(s): all the names of the contributors are added in the source code
+ * where applicable.
+ *
+ * Alternatively, the contents of this file may be used under the terms of the
+ * LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the
+ * provisions of LGPL are applicable instead of those above. If you wish to
+ * allow use of your version of this file only under the terms of the LGPL
+ * License and not to allow others to use your version of this file under
+ * the MPL, indicate your decision by deleting the provisions above and
+ * replace them with the notice and other provisions required by the LGPL.
+ * If you do not delete the provisions above, a recipient may use your version
+ * of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
+ *
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of the MPL as stated above or under the terms of the GNU
+ * Library General Public License as published by the Free Software Foundation;
+ * either version 2 of the License, or any later version.
+ *
+ * This library 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 Library general Public License for more
+ * details.
+ *
+ * If you didn't download this code from the following link, you should check if
+ * you aren't using an obsolete version:
+ * http://www.lowagie.com/iText/
+ */
+package com.lowagie.text.pdf;
+import com.lowagie.text.Rectangle;
+import java.awt.Color;
+
+/** 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.<p>
+ * The default parameters are:
+ * <pre>
+ *n = 8; // horizontal distance between the two barcodes
+ * </pre>
+ *
+ * @author Paulo Soares (psoares@consiste.pt)
+ */
+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.width() + supp.getBarcodeSize().width() + n);
+ return rect;
+ }
+
+ /** Places the barcode in a <CODE>PdfContentByte</CODE>. The
+ * barcode is always placed at coodinates (0, 0). Use the
+ * translation matrix to move it elsewhere.<p>
+ * The bars and text are written in the following colors:<p>
+ * <P><TABLE BORDER=1>
+ * <TR>
+ * <TH><P><CODE>barColor</CODE></TH>
+ * <TH><P><CODE>textColor</CODE></TH>
+ * <TH><P>Result</TH>
+ * </TR>
+ * <TR>
+ * <TD><P><CODE>null</CODE></TD>
+ * <TD><P><CODE>null</CODE></TD>
+ * <TD><P>bars and text painted with current fill color</TD>
+ * </TR>
+ * <TR>
+ * <TD><P><CODE>barColor</CODE></TD>
+ * <TD><P><CODE>null</CODE></TD>
+ * <TD><P>bars and text painted with <CODE>barColor</CODE></TD>
+ * </TR>
+ * <TR>
+ * <TD><P><CODE>null</CODE></TD>
+ * <TD><P><CODE>textColor</CODE></TD>
+ * <TD><P>bars painted with current color<br>text painted with <CODE>textColor</CODE></TD>
+ * </TR>
+ * <TR>
+ * <TD><P><CODE>barColor</CODE></TD>
+ * <TD><P><CODE>textColor</CODE></TD>
+ * <TD><P>bars painted with <CODE>barColor</CODE><br>text painted with <CODE>textColor</CODE></TD>
+ * </TR>
+ * </TABLE>
+ * @param cb the <CODE>PdfContentByte</CODE> where the barcode will be placed
+ * @param barColor the color of the bars. It can be <CODE>null</CODE>
+ * @param textColor the color of the text. It can be <CODE>null</CODE>
+ * @return the dimensions the barcode occupies
+ */
+ public Rectangle placeBarcode(PdfContentByte cb, Color barColor, Color 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.width() + n, eanR.height() - ean.getBarHeight());
+ supp.placeBarcode(cb, barColor, textColor);
+ cb.restoreState();
+ return getBarcodeSize();
+ }
+
+ /** Creates a <CODE>java.awt.Image</CODE>. 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(Color foreground, Color background) {
+ throw new UnsupportedOperationException("The two barcodes must be composed externally.");
+ }
+}