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Diffstat (limited to 'src/main/java/com/lowagie/text/pdf/BarcodeCodabar.java')
| -rw-r--r-- | src/main/java/com/lowagie/text/pdf/BarcodeCodabar.java | 345 |
1 files changed, 0 insertions, 345 deletions
diff --git a/src/main/java/com/lowagie/text/pdf/BarcodeCodabar.java b/src/main/java/com/lowagie/text/pdf/BarcodeCodabar.java deleted file mode 100644 index 7b9537c..0000000 --- a/src/main/java/com/lowagie/text/pdf/BarcodeCodabar.java +++ /dev/null @@ -1,345 +0,0 @@ -/*
- * $Id: BarcodeCodabar.java,v 1.14 2006/02/09 18:07:56 psoares33 Exp $
- *
- * Copyright 2002-2006 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.ExceptionConverter;
-import com.lowagie.text.Element;
-import com.lowagie.text.Rectangle;
-import java.awt.Color;
-import java.awt.Image;
-import java.awt.Canvas;
-import java.awt.image.MemoryImageSource;
-
-/** Implements the code codabar. The default parameters are:
- * <pre>
- *x = 0.8f;
- *n = 2;
- *font = BaseFont.createFont("Helvetica", "winansi", false);
- *size = 8;
- *baseline = size;
- *barHeight = size * 3;
- *textAlignment = Element.ALIGN_CENTER;
- *generateChecksum = false;
- *checksumText = false;
- *startStopText = false;
- * </pre>
- *
- * @author Paulo Soares (psoares@consiste.pt)
- */
-public class BarcodeCodabar extends Barcode{
-
- /** The bars to generate the code.
- */
- static byte BARS[][] =
- {
- {0,0,0,0,0,1,1}, // 0
- {0,0,0,0,1,1,0}, // 1
- {0,0,0,1,0,0,1}, // 2
- {1,1,0,0,0,0,0}, // 3
- {0,0,1,0,0,1,0}, // 4
- {1,0,0,0,0,1,0}, // 5
- {0,1,0,0,0,0,1}, // 6
- {0,1,0,0,1,0,0}, // 7
- {0,1,1,0,0,0,0}, // 8
- {1,0,0,1,0,0,0}, // 9
- {0,0,0,1,1,0,0}, // -
- {0,0,1,1,0,0,0}, // $
- {1,0,0,0,1,0,1}, // :
- {1,0,1,0,0,0,1}, // /
- {1,0,1,0,1,0,0}, // .
- {0,0,1,0,1,0,1}, // +
- {0,0,1,1,0,1,0}, // a
- {0,1,0,1,0,0,1}, // b
- {0,0,0,1,0,1,1}, // c
- {0,0,0,1,1,1,0} // d
- };
-
- /** The index chars to <CODE>BARS</CODE>.
- */
- static String CHARS = "0123456789-$:/.+ABCD";
-
- static final int START_STOP_IDX = 16;
- /** Creates a new BarcodeCodabar.
- */
- public BarcodeCodabar() {
- try {
- x = 0.8f;
- n = 2;
- font = BaseFont.createFont("Helvetica", "winansi", false);
- size = 8;
- baseline = size;
- barHeight = size * 3;
- textAlignment = Element.ALIGN_CENTER;
- generateChecksum = false;
- checksumText = false;
- startStopText = false;
- codeType = CODABAR;
- }
- catch (Exception e) {
- throw new ExceptionConverter(e);
- }
- }
-
- /** Creates the bars.
- * @param text the text to create the bars
- * @return the bars
- */
- public static byte[] getBarsCodabar(String text) {
- text = text.toUpperCase();
- int len = text.length();
- if (len < 2)
- throw new IllegalArgumentException("Codabar must have at least a start and stop character.");
- if (CHARS.indexOf(text.charAt(0)) < START_STOP_IDX || CHARS.indexOf(text.charAt(len - 1)) < START_STOP_IDX)
- throw new IllegalArgumentException("Codabar must have one of 'ABCD' as start/stop character.");
- byte bars[] = new byte[text.length() * 8 - 1];
- for (int k = 0; k < len; ++k) {
- int idx = CHARS.indexOf(text.charAt(k));
- if (idx >= START_STOP_IDX && k > 0 && k < len - 1)
- throw new IllegalArgumentException("In codabar, start/stop characters are only allowed at the extremes.");
- if (idx < 0)
- throw new IllegalArgumentException("The character '" + text.charAt(k) + "' is illegal in codabar.");
- System.arraycopy(BARS[idx], 0, bars, k * 8, 7);
- }
- return bars;
- }
-
- public static String calculateChecksum(String code) {
- if (code.length() < 2)
- return code;
- String text = code.toUpperCase();
- int sum = 0;
- int len = text.length();
- for (int k = 0; k < len; ++k)
- sum += CHARS.indexOf(text.charAt(k));
- sum = (sum + 15) / 16 * 16 - sum;
- return code.substring(0, len - 1) + CHARS.charAt(sum) + code.substring(len - 1);
- }
-
- /** 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() {
- float fontX = 0;
- float fontY = 0;
- String text = code;
- if (generateChecksum && checksumText)
- text = calculateChecksum(code);
- if (!startStopText)
- text = text.substring(1, text.length() - 1);
- if (font != null) {
- if (baseline > 0)
- fontY = baseline - font.getFontDescriptor(BaseFont.DESCENT, size);
- else
- fontY = -baseline + size;
- fontX = font.getWidthPoint(altText != null ? altText : text, size);
- }
- text = code;
- if (generateChecksum)
- text = calculateChecksum(code);
- byte bars[] = getBarsCodabar(text);
- int wide = 0;
- for (int k = 0; k < bars.length; ++k) {
- wide += (int)bars[k];
- }
- int narrow = bars.length - wide;
- float fullWidth = x * (narrow + wide * n);
- fullWidth = Math.max(fullWidth, fontX);
- float fullHeight = barHeight + fontY;
- return new Rectangle(fullWidth, fullHeight);
- }
-
- /** 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) {
- String fullCode = code;
- if (generateChecksum && checksumText)
- fullCode = calculateChecksum(code);
- if (!startStopText)
- fullCode = fullCode.substring(1, fullCode.length() - 1);
- float fontX = 0;
- if (font != null) {
- fontX = font.getWidthPoint(fullCode = altText != null ? altText : fullCode, size);
- }
- byte bars[] = getBarsCodabar(generateChecksum ? calculateChecksum(code) : code);
- int wide = 0;
- for (int k = 0; k < bars.length; ++k) {
- wide += (int)bars[k];
- }
- int narrow = bars.length - wide;
- float fullWidth = x * (narrow + wide * n);
- float barStartX = 0;
- float textStartX = 0;
- switch (textAlignment) {
- case Element.ALIGN_LEFT:
- break;
- case Element.ALIGN_RIGHT:
- if (fontX > fullWidth)
- barStartX = fontX - fullWidth;
- else
- textStartX = fullWidth - fontX;
- break;
- default:
- if (fontX > fullWidth)
- barStartX = (fontX - fullWidth) / 2;
- else
- textStartX = (fullWidth - fontX) / 2;
- break;
- }
- float barStartY = 0;
- float textStartY = 0;
- if (font != null) {
- if (baseline <= 0)
- textStartY = barHeight - baseline;
- else {
- textStartY = -font.getFontDescriptor(BaseFont.DESCENT, size);
- barStartY = textStartY + baseline;
- }
- }
- boolean print = true;
- if (barColor != null)
- cb.setColorFill(barColor);
- for (int k = 0; k < bars.length; ++k) {
- float w = (bars[k] == 0 ? x : x * n);
- if (print)
- cb.rectangle(barStartX, barStartY, w - inkSpreading, barHeight);
- print = !print;
- barStartX += w;
- }
- cb.fill();
- if (font != null) {
- if (textColor != null)
- cb.setColorFill(textColor);
- cb.beginText();
- cb.setFontAndSize(font, size);
- cb.setTextMatrix(textStartX, textStartY);
- cb.showText(fullCode);
- cb.endText();
- }
- 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) {
- int f = foreground.getRGB();
- int g = background.getRGB();
- Canvas canvas = new Canvas();
-
- String fullCode = code;
- if (generateChecksum && checksumText)
- fullCode = calculateChecksum(code);
- if (!startStopText)
- fullCode = fullCode.substring(1, fullCode.length() - 1);
- byte bars[] = getBarsCodabar(generateChecksum ? calculateChecksum(code) : code);
- int wide = 0;
- for (int k = 0; k < bars.length; ++k) {
- wide += (int)bars[k];
- }
- int narrow = bars.length - wide;
- int fullWidth = narrow + wide * (int)n;
- boolean print = true;
- int ptr = 0;
- int height = (int)barHeight;
- int pix[] = new int[fullWidth * height];
- for (int k = 0; k < bars.length; ++k) {
- int w = (bars[k] == 0 ? 1 : (int)n);
- int c = g;
- if (print)
- c = f;
- print = !print;
- for (int j = 0; j < w; ++j)
- pix[ptr++] = c;
- }
- for (int k = fullWidth; k < pix.length; k += fullWidth) {
- System.arraycopy(pix, 0, pix, k, fullWidth);
- }
- Image img = canvas.createImage(new MemoryImageSource(fullWidth, height, pix, 0, fullWidth));
-
- return img;
- }
-}
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