diff options
Diffstat (limited to 'src/main/java/com/lowagie/text/pdf/Barcode128.java')
| -rw-r--r-- | src/main/java/com/lowagie/text/pdf/Barcode128.java | 825 |
1 files changed, 825 insertions, 0 deletions
diff --git a/src/main/java/com/lowagie/text/pdf/Barcode128.java b/src/main/java/com/lowagie/text/pdf/Barcode128.java new file mode 100644 index 0000000..f9fb656 --- /dev/null +++ b/src/main/java/com/lowagie/text/pdf/Barcode128.java @@ -0,0 +1,825 @@ +/*
+ * $Id: Barcode128.java,v 1.18 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.Rectangle;
+import com.lowagie.text.Element;
+import com.lowagie.text.ExceptionConverter;
+import java.awt.Color;
+import java.awt.Image;
+import java.awt.Canvas;
+import java.awt.image.MemoryImageSource;
+
+/**
+ * Implements the code 128 and UCC/EAN-128. Other symbologies are allowed in raw mode.<p>
+ * The code types allowed are:<br>
+ * <ul>
+ * <li><b>CODE128</b> - plain barcode 128.
+ * <li><b>CODE128_UCC</b> - support for UCC/EAN-128 with a full list of AI.
+ * <li><b>CODE128_RAW</b> - raw mode. The code attribute has the actual codes from 0
+ * to 105 followed by '\uffff' and the human readable text.
+ * </ul>
+ * The default parameters are:
+ * <pre>
+ * x = 0.8f;
+ * font = BaseFont.createFont("Helvetica", "winansi", false);
+ * size = 8;
+ * baseline = size;
+ * barHeight = size * 3;
+ * textAlignment = Element.ALIGN_CENTER;
+ * codeType = CODE128;
+ * </pre>
+ * @author Paulo Soares (psoares@consiste.pt)
+ */
+public class Barcode128 extends Barcode{
+
+ /** The bars to generate the code.
+ */
+ static byte BARS[][] =
+ {
+ {2, 1, 2, 2, 2, 2},
+ {2, 2, 2, 1, 2, 2},
+ {2, 2, 2, 2, 2, 1},
+ {1, 2, 1, 2, 2, 3},
+ {1, 2, 1, 3, 2, 2},
+ {1, 3, 1, 2, 2, 2},
+ {1, 2, 2, 2, 1, 3},
+ {1, 2, 2, 3, 1, 2},
+ {1, 3, 2, 2, 1, 2},
+ {2, 2, 1, 2, 1, 3},
+ {2, 2, 1, 3, 1, 2},
+ {2, 3, 1, 2, 1, 2},
+ {1, 1, 2, 2, 3, 2},
+ {1, 2, 2, 1, 3, 2},
+ {1, 2, 2, 2, 3, 1},
+ {1, 1, 3, 2, 2, 2},
+ {1, 2, 3, 1, 2, 2},
+ {1, 2, 3, 2, 2, 1},
+ {2, 2, 3, 2, 1, 1},
+ {2, 2, 1, 1, 3, 2},
+ {2, 2, 1, 2, 3, 1},
+ {2, 1, 3, 2, 1, 2},
+ {2, 2, 3, 1, 1, 2},
+ {3, 1, 2, 1, 3, 1},
+ {3, 1, 1, 2, 2, 2},
+ {3, 2, 1, 1, 2, 2},
+ {3, 2, 1, 2, 2, 1},
+ {3, 1, 2, 2, 1, 2},
+ {3, 2, 2, 1, 1, 2},
+ {3, 2, 2, 2, 1, 1},
+ {2, 1, 2, 1, 2, 3},
+ {2, 1, 2, 3, 2, 1},
+ {2, 3, 2, 1, 2, 1},
+ {1, 1, 1, 3, 2, 3},
+ {1, 3, 1, 1, 2, 3},
+ {1, 3, 1, 3, 2, 1},
+ {1, 1, 2, 3, 1, 3},
+ {1, 3, 2, 1, 1, 3},
+ {1, 3, 2, 3, 1, 1},
+ {2, 1, 1, 3, 1, 3},
+ {2, 3, 1, 1, 1, 3},
+ {2, 3, 1, 3, 1, 1},
+ {1, 1, 2, 1, 3, 3},
+ {1, 1, 2, 3, 3, 1},
+ {1, 3, 2, 1, 3, 1},
+ {1, 1, 3, 1, 2, 3},
+ {1, 1, 3, 3, 2, 1},
+ {1, 3, 3, 1, 2, 1},
+ {3, 1, 3, 1, 2, 1},
+ {2, 1, 1, 3, 3, 1},
+ {2, 3, 1, 1, 3, 1},
+ {2, 1, 3, 1, 1, 3},
+ {2, 1, 3, 3, 1, 1},
+ {2, 1, 3, 1, 3, 1},
+ {3, 1, 1, 1, 2, 3},
+ {3, 1, 1, 3, 2, 1},
+ {3, 3, 1, 1, 2, 1},
+ {3, 1, 2, 1, 1, 3},
+ {3, 1, 2, 3, 1, 1},
+ {3, 3, 2, 1, 1, 1},
+ {3, 1, 4, 1, 1, 1},
+ {2, 2, 1, 4, 1, 1},
+ {4, 3, 1, 1, 1, 1},
+ {1, 1, 1, 2, 2, 4},
+ {1, 1, 1, 4, 2, 2},
+ {1, 2, 1, 1, 2, 4},
+ {1, 2, 1, 4, 2, 1},
+ {1, 4, 1, 1, 2, 2},
+ {1, 4, 1, 2, 2, 1},
+ {1, 1, 2, 2, 1, 4},
+ {1, 1, 2, 4, 1, 2},
+ {1, 2, 2, 1, 1, 4},
+ {1, 2, 2, 4, 1, 1},
+ {1, 4, 2, 1, 1, 2},
+ {1, 4, 2, 2, 1, 1},
+ {2, 4, 1, 2, 1, 1},
+ {2, 2, 1, 1, 1, 4},
+ {4, 1, 3, 1, 1, 1},
+ {2, 4, 1, 1, 1, 2},
+ {1, 3, 4, 1, 1, 1},
+ {1, 1, 1, 2, 4, 2},
+ {1, 2, 1, 1, 4, 2},
+ {1, 2, 1, 2, 4, 1},
+ {1, 1, 4, 2, 1, 2},
+ {1, 2, 4, 1, 1, 2},
+ {1, 2, 4, 2, 1, 1},
+ {4, 1, 1, 2, 1, 2},
+ {4, 2, 1, 1, 1, 2},
+ {4, 2, 1, 2, 1, 1},
+ {2, 1, 2, 1, 4, 1},
+ {2, 1, 4, 1, 2, 1},
+ {4, 1, 2, 1, 2, 1},
+ {1, 1, 1, 1, 4, 3},
+ {1, 1, 1, 3, 4, 1},
+ {1, 3, 1, 1, 4, 1},
+ {1, 1, 4, 1, 1, 3},
+ {1, 1, 4, 3, 1, 1},
+ {4, 1, 1, 1, 1, 3},
+ {4, 1, 1, 3, 1, 1},
+ {1, 1, 3, 1, 4, 1},
+ {1, 1, 4, 1, 3, 1},
+ {3, 1, 1, 1, 4, 1},
+ {4, 1, 1, 1, 3, 1},
+ {2, 1, 1, 4, 1, 2},
+ {2, 1, 1, 2, 1, 4},
+ {2, 1, 1, 2, 3, 2}
+ };
+
+ /** The stop bars.
+ */
+ static byte BARS_STOP[] = {2, 3, 3, 1, 1, 1, 2};
+ /** The charset code change.
+ */
+ public static final char CODE_AB_TO_C = 99;
+ /** The charset code change.
+ */
+ public static final char CODE_AC_TO_B = 100;
+ /** The charset code change.
+ */
+ public static final char CODE_BC_TO_A = 101;
+ /** The code for UCC/EAN-128.
+ */
+ public static final char FNC1_INDEX = 102;
+ /** The start code.
+ */
+ public static final char START_A = 103;
+ /** The start code.
+ */
+ public static final char START_B = 104;
+ /** The start code.
+ */
+ public static final char START_C = 105;
+
+ public static final char FNC1 = '\u00ca';
+ public static final char DEL = '\u00c3';
+ public static final char FNC3 = '\u00c4';
+ public static final char FNC2 = '\u00c5';
+ public static final char SHIFT = '\u00c6';
+ public static final char CODE_C = '\u00c7';
+ public static final char CODE_A = '\u00c8';
+ public static final char FNC4 = '\u00c8';
+ public static final char STARTA = '\u00cb';
+ public static final char STARTB = '\u00cc';
+ public static final char STARTC = '\u00cd';
+
+ private static final IntHashtable ais = new IntHashtable();
+ /** Creates new Barcode128 */
+ public Barcode128() {
+ try {
+ x = 0.8f;
+ font = BaseFont.createFont("Helvetica", "winansi", false);
+ size = 8;
+ baseline = size;
+ barHeight = size * 3;
+ textAlignment = Element.ALIGN_CENTER;
+ codeType = CODE128;
+ }
+ catch (Exception e) {
+ throw new ExceptionConverter(e);
+ }
+ }
+
+ /**
+ * Removes the FNC1 codes in the text.
+ * @param code the text to clean
+ * @return the cleaned text
+ */
+ public static String removeFNC1(String code) {
+ int len = code.length();
+ StringBuffer buf = new StringBuffer(len);
+ for (int k = 0; k < len; ++k) {
+ char c = code.charAt(k);
+ if (c >= 32 && c <= 126)
+ buf.append(c);
+ }
+ return buf.toString();
+ }
+
+ /**
+ * Gets the human readable text of a sequence of AI.
+ * @param code the text
+ * @return the human readable text
+ */
+ public static String getHumanReadableUCCEAN(String code) {
+ StringBuffer buf = new StringBuffer();
+ String fnc1 = String.valueOf(FNC1);
+ try {
+ while (true) {
+ if (code.startsWith(fnc1)) {
+ code = code.substring(1);
+ continue;
+ }
+ int n = 0;
+ int idlen = 0;
+ for (int k = 2; k < 5; ++k) {
+ if (code.length() < k)
+ break;
+ if ((n = ais.get(Integer.parseInt(code.substring(0, k)))) != 0) {
+ idlen = k;
+ break;
+ }
+ }
+ if (idlen == 0)
+ break;
+ buf.append('(').append(code.substring(0, idlen)).append(')');
+ code = code.substring(idlen);
+ if (n > 0) {
+ n -= idlen;
+ if (code.length() <= n)
+ break;
+ buf.append(removeFNC1(code.substring(0, n)));
+ code = code.substring(n);
+ }
+ else {
+ int idx = code.indexOf(FNC1);
+ if (idx < 0)
+ break;
+ buf.append(code.substring(0,idx));
+ code = code.substring(idx + 1);
+ }
+ }
+ }
+ catch (Exception e) {
+ //empty
+ }
+ buf.append(removeFNC1(code));
+ return buf.toString();
+ }
+
+ /** Returns <CODE>true</CODE> if the next <CODE>numDigits</CODE>
+ * starting from index <CODE>textIndex</CODE> are numeric skipping any FNC1.
+ * @param text the text to check
+ * @param textIndex where to check from
+ * @param numDigits the number of digits to check
+ * @return the check result
+ */
+ static boolean isNextDigits(String text, int textIndex, int numDigits) {
+ int len = text.length();
+ while (textIndex < len && numDigits > 0) {
+ if (text.charAt(textIndex) == FNC1) {
+ ++textIndex;
+ continue;
+ }
+ int n = Math.min(2, numDigits);
+ if (textIndex + n > len)
+ return false;
+ while (n-- > 0) {
+ char c = text.charAt(textIndex++);
+ if (c < '0' || c > '9')
+ return false;
+ --numDigits;
+ }
+ }
+ return numDigits == 0;
+ }
+
+ /** Packs the digits for charset C also considering FNC1. It assumes that all the parameters
+ * are valid.
+ * @param text the text to pack
+ * @param textIndex where to pack from
+ * @param numDigits the number of digits to pack. It is always an even number
+ * @return the packed digits, two digits per character
+ */
+ static String getPackedRawDigits(String text, int textIndex, int numDigits) {
+ String out = "";
+ int start = textIndex;
+ while (numDigits > 0) {
+ if (text.charAt(textIndex) == FNC1) {
+ out += FNC1_INDEX;
+ ++textIndex;
+ continue;
+ }
+ numDigits -= 2;
+ int c1 = text.charAt(textIndex++) - '0';
+ int c2 = text.charAt(textIndex++) - '0';
+ out += (char)(c1 * 10 + c2);
+ }
+ return (char)(textIndex - start) + out;
+ }
+
+ /** Converts the human readable text to the characters needed to
+ * create a barcode. Some optimization is done to get the shortest code.
+ * @param text the text to convert
+ * @param ucc <CODE>true</CODE> if it is an UCC/EAN-128. In this case
+ * the character FNC1 is added
+ * @return the code ready to be fed to getBarsCode128Raw()
+ */
+ public static String getRawText(String text, boolean ucc) {
+ String out = "";
+ int tLen = text.length();
+ if (tLen == 0) {
+ out += START_B;
+ if (ucc)
+ out += FNC1_INDEX;
+ return out;
+ }
+ int c = 0;
+ for (int k = 0; k < tLen; ++k) {
+ c = text.charAt(k);
+ if (c > 127 && c != FNC1)
+ throw new RuntimeException("There are illegal characters for barcode 128 in '" + text + "'.");
+ }
+ c = text.charAt(0);
+ char currentCode = START_B;
+ int index = 0;
+ if (isNextDigits(text, index, 2)) {
+ currentCode = START_C;
+ out += currentCode;
+ if (ucc)
+ out += FNC1_INDEX;
+ String out2 = getPackedRawDigits(text, index, 2);
+ index += (int)out2.charAt(0);
+ out += out2.substring(1);
+ }
+ else if (c < ' ') {
+ currentCode = START_A;
+ out += currentCode;
+ if (ucc)
+ out += FNC1_INDEX;
+ out += (char)(c + 64);
+ ++index;
+ }
+ else {
+ out += currentCode;
+ if (ucc)
+ out += FNC1_INDEX;
+ if (c == FNC1)
+ out += FNC1_INDEX;
+ else
+ out += (char)(c - ' ');
+ ++index;
+ }
+ while (index < tLen) {
+ switch (currentCode) {
+ case START_A:
+ {
+ if (isNextDigits(text, index, 4)) {
+ currentCode = START_C;
+ out += CODE_AB_TO_C;
+ String out2 = getPackedRawDigits(text, index, 4);
+ index += (int)out2.charAt(0);
+ out += out2.substring(1);
+ }
+ else {
+ c = text.charAt(index++);
+ if (c == FNC1)
+ out += FNC1_INDEX;
+ else if (c > '_') {
+ currentCode = START_B;
+ out += CODE_AC_TO_B;
+ out += (char)(c - ' ');
+ }
+ else if (c < ' ')
+ out += (char)(c + 64);
+ else
+ out += (char)(c - ' ');
+ }
+ }
+ break;
+ case START_B:
+ {
+ if (isNextDigits(text, index, 4)) {
+ currentCode = START_C;
+ out += CODE_AB_TO_C;
+ String out2 = getPackedRawDigits(text, index, 4);
+ index += (int)out2.charAt(0);
+ out += out2.substring(1);
+ }
+ else {
+ c = text.charAt(index++);
+ if (c == FNC1)
+ out += FNC1_INDEX;
+ else if (c < ' ') {
+ currentCode = START_A;
+ out += CODE_BC_TO_A;
+ out += (char)(c + 64);
+ }
+ else {
+ out += (char)(c - ' ');
+ }
+ }
+ }
+ break;
+ case START_C:
+ {
+ if (isNextDigits(text, index, 2)) {
+ String out2 = getPackedRawDigits(text, index, 2);
+ index += (int)out2.charAt(0);
+ out += out2.substring(1);
+ }
+ else {
+ c = text.charAt(index++);
+ if (c == FNC1)
+ out += FNC1_INDEX;
+ else if (c < ' ') {
+ currentCode = START_A;
+ out += CODE_BC_TO_A;
+ out += (char)(c + 64);
+ }
+ else {
+ currentCode = START_B;
+ out += CODE_AC_TO_B;
+ out += (char)(c - ' ');
+ }
+ }
+ }
+ break;
+ }
+ }
+ return out;
+ }
+
+ /** Generates the bars. The input has the actual barcodes, not
+ * the human readable text.
+ * @param text the barcode
+ * @return the bars
+ */
+ public static byte[] getBarsCode128Raw(String text) {
+ int idx = text.indexOf('\uffff');
+ if (idx >= 0)
+ text = text.substring(0, idx);
+ int chk = text.charAt(0);
+ for (int k = 1; k < text.length(); ++k)
+ chk += k * text.charAt(k);
+ chk = chk % 103;
+ text += (char)chk;
+ byte bars[] = new byte[(text.length() + 1) * 6 + 7];
+ int k;
+ for (k = 0; k < text.length(); ++k)
+ System.arraycopy(BARS[text.charAt(k)], 0, bars, k * 6, 6);
+ System.arraycopy(BARS_STOP, 0, bars, k * 6, 7);
+ return bars;
+ }
+
+ /** 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 fullCode;
+ if (font != null) {
+ if (baseline > 0)
+ fontY = baseline - font.getFontDescriptor(BaseFont.DESCENT, size);
+ else
+ fontY = -baseline + size;
+ if (codeType == CODE128_RAW) {
+ int idx = code.indexOf('\uffff');
+ if (idx < 0)
+ fullCode = "";
+ else
+ fullCode = code.substring(idx + 1);
+ }
+ else if (codeType == CODE128_UCC)
+ fullCode = getHumanReadableUCCEAN(code);
+ else
+ fullCode = removeFNC1(code);
+ fontX = font.getWidthPoint(altText != null ? altText : fullCode, size);
+ }
+ if (codeType == CODE128_RAW) {
+ int idx = code.indexOf('\uffff');
+ if (idx >= 0)
+ fullCode = code.substring(0, idx);
+ else
+ fullCode = code;
+ }
+ else {
+ fullCode = getRawText(code, codeType == CODE128_UCC);
+ }
+ int len = fullCode.length();
+ float fullWidth = (len + 2) * 11 * x + 2 * x;
+ 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;
+ if (codeType == CODE128_RAW) {
+ int idx = code.indexOf('\uffff');
+ if (idx < 0)
+ fullCode = "";
+ else
+ fullCode = code.substring(idx + 1);
+ }
+ else if (codeType == CODE128_UCC)
+ fullCode = getHumanReadableUCCEAN(code);
+ else
+ fullCode = removeFNC1(code);
+ float fontX = 0;
+ if (font != null) {
+ fontX = font.getWidthPoint(fullCode = altText != null ? altText : fullCode, size);
+ }
+ String bCode;
+ if (codeType == CODE128_RAW) {
+ int idx = code.indexOf('\uffff');
+ if (idx >= 0)
+ bCode = code.substring(0, idx);
+ else
+ bCode = code;
+ }
+ else {
+ bCode = getRawText(code, codeType == CODE128_UCC);
+ }
+ int len = bCode.length();
+ float fullWidth = (len + 2) * 11 * x + 2 * x;
+ 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;
+ }
+ }
+ byte bars[] = getBarsCode128Raw(bCode);
+ boolean print = true;
+ if (barColor != null)
+ cb.setColorFill(barColor);
+ for (int k = 0; k < bars.length; ++k) {
+ float w = bars[k] * x;
+ 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 bCode;
+ if (codeType == CODE128_RAW) {
+ int idx = code.indexOf('\uffff');
+ if (idx >= 0)
+ bCode = code.substring(0, idx);
+ else
+ bCode = code;
+ }
+ else {
+ bCode = getRawText(code, codeType == CODE128_UCC);
+ }
+ int len = bCode.length();
+ int fullWidth = (len + 2) * 11 + 2;
+ byte bars[] = getBarsCode128Raw(bCode);
+
+ 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];
+ 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;
+ }
+
+ /**
+ * Sets the code to generate. If it's an UCC code and starts with '(' it will
+ * be split by the AI. This code in UCC mode is valid:
+ * <p>
+ * <code>(01)00000090311314(10)ABC123(15)060916</code>
+ * @param code the code to generate
+ */
+ public void setCode(String code) {
+ if (getCodeType() == Barcode128.CODE128_UCC && code.startsWith("(")) {
+ int idx = 0;
+ String ret = "";
+ while (idx >= 0) {
+ int end = code.indexOf(')', idx);
+ if (end < 0)
+ throw new IllegalArgumentException("Badly formed UCC string: " + code);
+ String sai = code.substring(idx + 1, end);
+ if (sai.length() < 2)
+ throw new IllegalArgumentException("AI too short: (" + sai + ")");
+ int ai = Integer.parseInt(sai);
+ int len = ais.get(ai);
+ if (len == 0)
+ throw new IllegalArgumentException("AI not found: (" + sai + ")");
+ sai = String.valueOf(ai);
+ if (sai.length() == 1)
+ sai = "0" + sai;
+ idx = code.indexOf('(', end);
+ int next = (idx < 0 ? code.length() : idx);
+ ret += sai + code.substring(end + 1, next);
+ if (len < 0) {
+ if (idx >= 0)
+ ret += FNC1;
+ }
+ else if (next - end - 1 + sai.length() != len)
+ throw new IllegalArgumentException("Invalid AI length: (" + sai + ")");
+ }
+ super.setCode(ret);
+ }
+ else
+ super.setCode(code);
+ }
+
+ static {
+ ais.put(0, 20);
+ ais.put(1, 16);
+ ais.put(2, 16);
+ ais.put(10, -1);
+ ais.put(11, 9);
+ ais.put(12, 8);
+ ais.put(13, 8);
+ ais.put(15, 8);
+ ais.put(17, 8);
+ ais.put(20, 4);
+ ais.put(21, -1);
+ ais.put(22, -1);
+ ais.put(23, -1);
+ ais.put(240, -1);
+ ais.put(241, -1);
+ ais.put(250, -1);
+ ais.put(251, -1);
+ ais.put(252, -1);
+ ais.put(30, -1);
+ for (int k = 3100; k < 3700; ++k)
+ ais.put(k, 10);
+ ais.put(37, -1);
+ for (int k = 3900; k < 3940; ++k)
+ ais.put(k, -1);
+ ais.put(400, -1);
+ ais.put(401, -1);
+ ais.put(402, 20);
+ ais.put(403, -1);
+ for (int k = 410; k < 416; ++k)
+ ais.put(k, 16);
+ ais.put(420, -1);
+ ais.put(421, -1);
+ ais.put(422, 6);
+ ais.put(423, -1);
+ ais.put(424, 6);
+ ais.put(425, 6);
+ ais.put(426, 6);
+ ais.put(7001, 17);
+ ais.put(7002, -1);
+ for (int k = 7030; k < 704; ++k)
+ ais.put(k, -1);
+ ais.put(8001, 18);
+ ais.put(8002, -1);
+ ais.put(8003, -1);
+ ais.put(8004, -1);
+ ais.put(8005, 10);
+ ais.put(8006, 22);
+ ais.put(8007, -1);
+ ais.put(8008, -1);
+ ais.put(8018, 22);
+ ais.put(8020, -1);
+ ais.put(8100, 10);
+ ais.put(8101, 14);
+ ais.put(8102, 6);
+ for (int k = 90; k < 100; ++k)
+ ais.put(k, -1);
+ }
+}
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