Java tutorial
/* * * Copyright 2003 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 java.awt.Canvas; import java.awt.Color; import java.awt.image.MemoryImageSource; import java.util.ArrayList; import com.lowagie.text.BadElementException; import com.lowagie.text.Image; import com.lowagie.text.pdf.codec.CCITTG4Encoder; /** Generates the 2D barcode PDF417. Supports dimensioning auto-sizing, fixed * and variable sizes, automatic and manual error levels, raw codeword input, * codeword size optimization and bitmap inversion. The output can * be a CCITT G4 <CODE>Image</CODE> or a raw bitmap. * @author Paulo Soares (psoares@consiste.pt) */ public class BarcodePDF417 { /** Auto-size is made based on <CODE>aspectRatio</CODE> and <CODE>yHeight</CODE>. */ public static final int PDF417_USE_ASPECT_RATIO = 0; /** The size of the barcode will be at least <CODE>codeColumns*codeRows</CODE>. */ public static final int PDF417_FIXED_RECTANGLE = 1; /** The size will be at least <CODE>codeColumns</CODE> * with a variable number of <CODE>codeRows</CODE>. */ public static final int PDF417_FIXED_COLUMNS = 2; /** The size will be at least <CODE>codeRows</CODE> * with a variable number of <CODE>codeColumns</CODE>. */ public static final int PDF417_FIXED_ROWS = 4; /** The error level correction is set automatically according * to ISO 15438 recommendations. */ public static final int PDF417_AUTO_ERROR_LEVEL = 0; /** The error level correction is set by the user. It can be 0 to 8. */ public static final int PDF417_USE_ERROR_LEVEL = 16; /** * One single binary segment is used */ public static final int PDF417_FORCE_BINARY = 32; /** No <CODE>text</CODE> interpretation is done and the content of <CODE>codewords</CODE> * is used directly. */ public static final int PDF417_USE_RAW_CODEWORDS = 64; /** Inverts the output bits of the raw bitmap that is normally * bit one for black. It has only effect for the raw bitmap. */ public static final int PDF417_INVERT_BITMAP = 128; /** Use Macro PDF417 Encoding * @see #setMacroFileId(String) * @see #setMacroSegmentId(int) * @see #setMacroSegmentCount(int) */ public static final int PDF417_USE_MACRO = 256; private int macroSegmentCount = 0; private int macroSegmentId = -1; private String macroFileId; private int macroIndex; protected int bitPtr; protected int cwPtr; protected SegmentList segmentList; /** Creates a new <CODE>BarcodePDF417</CODE> with the default settings. */ public BarcodePDF417() { setDefaultParameters(); } /** * Sets the segment id for macro PDF417 encoding * @param id the id (starting at 0) * @see #setMacroSegmentCount(int) */ public void setMacroSegmentId(int id) { this.macroSegmentId = id; } /** * Sets the segment count for macro PDF417 encoding * @param cnt the number of macro segments * @see #setMacroSegmentId(int) */ public void setMacroSegmentCount(int cnt) { this.macroSegmentCount = cnt; } /** * Sets the File ID for macro PDF417 encoding * @param id the file id */ public void setMacroFileId(String id) { this.macroFileId = id; } protected boolean checkSegmentType(Segment segment, char type) { if (segment == null) return false; return segment.type == type; } protected int getSegmentLength(Segment segment) { if (segment == null) return 0; return segment.end - segment.start; } /** Set the default settings that correspond to <CODE>PDF417_USE_ASPECT_RATIO</CODE> * and <CODE>PDF417_AUTO_ERROR_LEVEL</CODE>. */ public void setDefaultParameters() { options = 0; outBits = null; text = new byte[0]; yHeight = 3; aspectRatio = 0.5f; } protected void outCodeword17(int codeword) { int bytePtr = bitPtr / 8; int bit = bitPtr - bytePtr * 8; outBits[bytePtr++] |= codeword >> (9 + bit); outBits[bytePtr++] |= codeword >> (1 + bit); codeword <<= 8; outBits[bytePtr] |= codeword >> (1 + bit); bitPtr += 17; } protected void outCodeword18(int codeword) { int bytePtr = bitPtr / 8; int bit = bitPtr - bytePtr * 8; outBits[bytePtr++] |= codeword >> (10 + bit); outBits[bytePtr++] |= codeword >> (2 + bit); codeword <<= 8; outBits[bytePtr] |= codeword >> (2 + bit); if (bit == 7) outBits[++bytePtr] |= 0x80; bitPtr += 18; } protected void outCodeword(int codeword) { outCodeword17(codeword); } protected void outStopPattern() { outCodeword18(STOP_PATTERN); } protected void outStartPattern() { outCodeword17(START_PATTERN); } protected void outPaintCode() { int codePtr = 0; bitColumns = START_CODE_SIZE * (codeColumns + 3) + STOP_SIZE; int lenBits = ((bitColumns - 1) / 8 + 1) * codeRows; outBits = new byte[lenBits]; for (int row = 0; row < codeRows; ++row) { bitPtr = ((bitColumns - 1) / 8 + 1) * 8 * row; int rowMod = row % 3; int cluster[] = CLUSTERS[rowMod]; outStartPattern(); int edge = 0; switch (rowMod) { case 0: edge = 30 * (row / 3) + ((codeRows - 1) / 3); break; case 1: edge = 30 * (row / 3) + errorLevel * 3 + ((codeRows - 1) % 3); break; default: edge = 30 * (row / 3) + codeColumns - 1; break; } outCodeword(cluster[edge]); for (int column = 0; column < codeColumns; ++column) { outCodeword(cluster[codewords[codePtr++]]); } switch (rowMod) { case 0: edge = 30 * (row / 3) + codeColumns - 1; break; case 1: edge = 30 * (row / 3) + ((codeRows - 1) / 3); break; default: edge = 30 * (row / 3) + errorLevel * 3 + ((codeRows - 1) % 3); break; } outCodeword(cluster[edge]); outStopPattern(); } if ((options & PDF417_INVERT_BITMAP) != 0) { for (int k = 0; k < outBits.length; ++k) outBits[k] ^= 0xff; } } protected void calculateErrorCorrection(int dest) { if (errorLevel < 0 || errorLevel > 8) errorLevel = 0; int A[] = ERROR_LEVEL[errorLevel]; int Alength = 2 << errorLevel; for (int k = 0; k < Alength; ++k) codewords[dest + k] = 0; int lastE = Alength - 1; for (int k = 0; k < lenCodewords; ++k) { int t1 = codewords[k] + codewords[dest]; for (int e = 0; e <= lastE; ++e) { int t2 = (t1 * A[lastE - e]) % MOD; int t3 = MOD - t2; codewords[dest + e] = ((e == lastE ? 0 : codewords[dest + e + 1]) + t3) % MOD; } } for (int k = 0; k < Alength; ++k) codewords[dest + k] = (MOD - codewords[dest + k]) % MOD; } private static int getTextTypeAndValue(byte[] input, int maxLength, int idx) { if (idx >= maxLength) return 0; char c = (char) (input[idx] & 0xff); if (c >= 'A' && c <= 'Z') return (ALPHA + c - 'A'); if (c >= 'a' && c <= 'z') return (LOWER + c - 'a'); if (c == ' ') return (ALPHA + LOWER + MIXED + SPACE); int ms = MIXED_SET.indexOf(c); int ps = PUNCTUATION_SET.indexOf(c); if (ms < 0 && ps < 0) return (ISBYTE + c); if (ms == ps) return (MIXED + PUNCTUATION + ms); if (ms >= 0) return (MIXED + ms); return (PUNCTUATION + ps); } protected int getTextTypeAndValue(int maxLength, int idx) { return getTextTypeAndValue(text, maxLength, idx); } private void textCompaction(byte[] input, int start, int length) { int dest[] = new int[ABSOLUTE_MAX_TEXT_SIZE * 2]; int mode = ALPHA; int ptr = 0; int fullBytes = 0; int v = 0; int k; int size; length += start; for (k = start; k < length; ++k) { v = getTextTypeAndValue(input, length, k); if ((v & mode) != 0) { dest[ptr++] = v & 0xff; continue; } if ((v & ISBYTE) != 0) { if ((ptr & 1) != 0) { //add a padding word dest[ptr++] = PAL; mode = (mode & PUNCTUATION) != 0 ? ALPHA : mode; } dest[ptr++] = BYTESHIFT; dest[ptr++] = v & 0xff; fullBytes += 2; continue; } switch (mode) { case ALPHA: if ((v & LOWER) != 0) { dest[ptr++] = LL; dest[ptr++] = v & 0xff; mode = LOWER; } else if ((v & MIXED) != 0) { dest[ptr++] = ML; dest[ptr++] = v & 0xff; mode = MIXED; } else if ((getTextTypeAndValue(input, length, k + 1) & getTextTypeAndValue(input, length, k + 2) & PUNCTUATION) != 0) { dest[ptr++] = ML; dest[ptr++] = PL; dest[ptr++] = v & 0xff; mode = PUNCTUATION; } else { dest[ptr++] = PS; dest[ptr++] = v & 0xff; } break; case LOWER: if ((v & ALPHA) != 0) { if ((getTextTypeAndValue(input, length, k + 1) & getTextTypeAndValue(input, length, k + 2) & ALPHA) != 0) { dest[ptr++] = ML; dest[ptr++] = AL; mode = ALPHA; } else { dest[ptr++] = AS; } dest[ptr++] = v & 0xff; } else if ((v & MIXED) != 0) { dest[ptr++] = ML; dest[ptr++] = v & 0xff; mode = MIXED; } else if ((getTextTypeAndValue(input, length, k + 1) & getTextTypeAndValue(input, length, k + 2) & PUNCTUATION) != 0) { dest[ptr++] = ML; dest[ptr++] = PL; dest[ptr++] = v & 0xff; mode = PUNCTUATION; } else { dest[ptr++] = PS; dest[ptr++] = v & 0xff; } break; case MIXED: if ((v & LOWER) != 0) { dest[ptr++] = LL; dest[ptr++] = v & 0xff; mode = LOWER; } else if ((v & ALPHA) != 0) { dest[ptr++] = AL; dest[ptr++] = v & 0xff; mode = ALPHA; } else if ((getTextTypeAndValue(input, length, k + 1) & getTextTypeAndValue(input, length, k + 2) & PUNCTUATION) != 0) { dest[ptr++] = PL; dest[ptr++] = v & 0xff; mode = PUNCTUATION; } else { dest[ptr++] = PS; dest[ptr++] = v & 0xff; } break; case PUNCTUATION: dest[ptr++] = PAL; mode = ALPHA; --k; break; } } if ((ptr & 1) != 0) dest[ptr++] = PS; size = (ptr + fullBytes) / 2; if (size + cwPtr > MAX_DATA_CODEWORDS) { throw new IndexOutOfBoundsException("The text is too big."); } length = ptr; ptr = 0; while (ptr < length) { v = dest[ptr++]; if (v >= 30) { codewords[cwPtr++] = v; codewords[cwPtr++] = dest[ptr++]; } else codewords[cwPtr++] = v * 30 + dest[ptr++]; } } protected void textCompaction(int start, int length) { textCompaction(text, start, length); } protected void basicNumberCompaction(int start, int length) { basicNumberCompaction(text, start, length); } private void basicNumberCompaction(byte[] input, int start, int length) { int ret = cwPtr; int retLast = length / 3; int ni, k; cwPtr += retLast + 1; for (k = 0; k <= retLast; ++k) codewords[ret + k] = 0; codewords[ret + retLast] = 1; length += start; for (ni = start; ni < length; ++ni) { // multiply by 10 for (k = retLast; k >= 0; --k) codewords[ret + k] *= 10; // add the digit codewords[ret + retLast] += input[ni] - '0'; // propagate carry for (k = retLast; k > 0; --k) { codewords[ret + k - 1] += codewords[ret + k] / 900; codewords[ret + k] %= 900; } } } private void numberCompaction(byte[] input, int start, int length) { int full = (length / 44) * 15; int size = length % 44; int k; if (size == 0) size = full; else size = full + size / 3 + 1; if (size + cwPtr > MAX_DATA_CODEWORDS) { throw new IndexOutOfBoundsException("The text is too big."); } length += start; for (k = start; k < length; k += 44) { size = length - k < 44 ? length - k : 44; basicNumberCompaction(input, k, size); } } protected void numberCompaction(int start, int length) { numberCompaction(text, start, length); } protected void byteCompaction6(int start) { int length = 6; int ret = cwPtr; int retLast = 4; int ni, k; cwPtr += retLast + 1; for (k = 0; k <= retLast; ++k) codewords[ret + k] = 0; length += start; for (ni = start; ni < length; ++ni) { // multiply by 256 for (k = retLast; k >= 0; --k) codewords[ret + k] *= 256; // add the digit codewords[ret + retLast] += text[ni] & 0xff; // propagate carry for (k = retLast; k > 0; --k) { codewords[ret + k - 1] += codewords[ret + k] / 900; codewords[ret + k] %= 900; } } } void byteCompaction(int start, int length) { int k, j; int size = (length / 6) * 5 + (length % 6); if (size + cwPtr > MAX_DATA_CODEWORDS) { throw new IndexOutOfBoundsException("The text is too big."); } length += start; for (k = start; k < length; k += 6) { size = length - k < 44 ? length - k : 6; if (size < 6) { for (j = 0; j < size; ++j) codewords[cwPtr++] = text[k + j] & 0xff; } else { byteCompaction6(k); } } } void breakString() { int textLength = text.length; int lastP = 0; int startN = 0; int nd = 0; char c = 0; int k, j; boolean lastTxt, txt; Segment v; Segment vp; Segment vn; if ((options & PDF417_FORCE_BINARY) != 0) { segmentList.add('B', 0, textLength); return; } for (k = 0; k < textLength; ++k) { c = (char) (text[k] & 0xff); if (c >= '0' && c <= '9') { if (nd == 0) startN = k; ++nd; continue; } if (nd >= 13) { if (lastP != startN) { c = (char) (text[lastP] & 0xff); lastTxt = (c >= ' ' && c < 127) || c == '\r' || c == '\n' || c == '\t'; for (j = lastP; j < startN; ++j) { c = (char) (text[j] & 0xff); txt = (c >= ' ' && c < 127) || c == '\r' || c == '\n' || c == '\t'; if (txt != lastTxt) { segmentList.add(lastTxt ? 'T' : 'B', lastP, j); lastP = j; lastTxt = txt; } } segmentList.add(lastTxt ? 'T' : 'B', lastP, startN); } segmentList.add('N', startN, k); lastP = k; } nd = 0; } if (nd < 13) startN = textLength; if (lastP != startN) { c = (char) (text[lastP] & 0xff); lastTxt = (c >= ' ' && c < 127) || c == '\r' || c == '\n' || c == '\t'; for (j = lastP; j < startN; ++j) { c = (char) (text[j] & 0xff); txt = (c >= ' ' && c < 127) || c == '\r' || c == '\n' || c == '\t'; if (txt != lastTxt) { segmentList.add(lastTxt ? 'T' : 'B', lastP, j); lastP = j; lastTxt = txt; } } segmentList.add(lastTxt ? 'T' : 'B', lastP, startN); } if (nd >= 13) segmentList.add('N', startN, textLength); //optimize //merge short binary for (k = 0; k < segmentList.size(); ++k) { v = segmentList.get(k); vp = segmentList.get(k - 1); vn = segmentList.get(k + 1); if (checkSegmentType(v, 'B') && getSegmentLength(v) == 1) { if (checkSegmentType(vp, 'T') && checkSegmentType(vn, 'T') && getSegmentLength(vp) + getSegmentLength(vn) >= 3) { vp.end = vn.end; segmentList.remove(k); segmentList.remove(k); k = -1; continue; } } } //merge text sections for (k = 0; k < segmentList.size(); ++k) { v = segmentList.get(k); vp = segmentList.get(k - 1); vn = segmentList.get(k + 1); if (checkSegmentType(v, 'T') && getSegmentLength(v) >= 5) { boolean redo = false; if ((checkSegmentType(vp, 'B') && getSegmentLength(vp) == 1) || checkSegmentType(vp, 'T')) { redo = true; v.start = vp.start; segmentList.remove(k - 1); --k; } if ((checkSegmentType(vn, 'B') && getSegmentLength(vn) == 1) || checkSegmentType(vn, 'T')) { redo = true; v.end = vn.end; segmentList.remove(k + 1); } if (redo) { k = -1; continue; } } } //merge binary sections for (k = 0; k < segmentList.size(); ++k) { v = segmentList.get(k); vp = segmentList.get(k - 1); vn = segmentList.get(k + 1); if (checkSegmentType(v, 'B')) { boolean redo = false; if ((checkSegmentType(vp, 'T') && getSegmentLength(vp) < 5) || checkSegmentType(vp, 'B')) { redo = true; v.start = vp.start; segmentList.remove(k - 1); --k; } if ((checkSegmentType(vn, 'T') && getSegmentLength(vn) < 5) || checkSegmentType(vn, 'B')) { redo = true; v.end = vn.end; segmentList.remove(k + 1); } if (redo) { k = -1; continue; } } } // check if all numbers if (segmentList.size() == 1 && (v = segmentList.get(0)).type == 'T' && getSegmentLength(v) >= 8) { for (k = v.start; k < v.end; ++k) { c = (char) (text[k] & 0xff); if (c < '0' || c > '9') break; } if (k == v.end) v.type = 'N'; } } protected void assemble() { int k; if (segmentList.size() == 0) return; cwPtr = 1; for (k = 0; k < segmentList.size(); ++k) { Segment v = segmentList.get(k); switch (v.type) { case 'T': if (k != 0) codewords[cwPtr++] = TEXT_MODE; textCompaction(v.start, getSegmentLength(v)); break; case 'N': codewords[cwPtr++] = NUMERIC_MODE; numberCompaction(v.start, getSegmentLength(v)); break; case 'B': codewords[cwPtr++] = (getSegmentLength(v) % 6) != 0 ? BYTE_MODE : BYTE_MODE_6; byteCompaction(v.start, getSegmentLength(v)); break; } } if ((options & PDF417_USE_MACRO) != 0) { macroCodes(); } } private void macroCodes() { if (macroSegmentId < 0) { throw new IllegalStateException("macroSegmentId must be >=0"); } if (macroSegmentId >= macroSegmentCount) { throw new IllegalStateException("macroSegmentId must be < macroSemgentCount"); } if (macroSegmentCount < 1) { throw new IllegalStateException("macroSemgentCount must be > 0"); } macroIndex = cwPtr; codewords[cwPtr++] = MACRO_SEGMENT_ID; append(macroSegmentId, 5); if (macroFileId != null) { append(macroFileId); } if (macroSegmentId >= macroSegmentCount - 1) { codewords[cwPtr++] = MACRO_LAST_SEGMENT; } } private void append(int in, int len) { StringBuffer sb = new StringBuffer(len + 1); sb.append(Integer.toString(in)); for (int i = sb.length(); i < len; i++) { sb.insert(0, "0"); } byte[] bytes = PdfEncodings.convertToBytes(sb.toString(), "cp437"); numberCompaction(bytes, 0, bytes.length); } private void append(String s) { byte[] bytes = PdfEncodings.convertToBytes(s, "cp437"); textCompaction(bytes, 0, bytes.length); } protected static int maxPossibleErrorLevel(int remain) { int level = 8; int size = 512; while (level > 0) { if (remain >= size) return level; --level; size >>= 1; } return 0; } protected void dumpList() { if (segmentList.size() == 0) return; for (int k = 0; k < segmentList.size(); ++k) { Segment v = segmentList.get(k); int len = getSegmentLength(v); char c[] = new char[len]; for (int j = 0; j < len; ++j) { c[j] = (char) (text[v.start + j] & 0xff); if (c[j] == '\r') c[j] = '\n'; } StringBuffer sb = new StringBuffer(); sb.append(v.type); sb.append(c); System.out.println(sb.toString()); } } protected int getMaxSquare() { if (codeColumns > 21) { codeColumns = 29; codeRows = 32; } else { codeColumns = 16; codeRows = 58; } return MAX_DATA_CODEWORDS + 2; } /** Paints the barcode. If no exception was thrown a valid barcode is available. */ public void paintCode() { int maxErr, lenErr, tot, pad; if ((options & PDF417_USE_RAW_CODEWORDS) != 0) { if (lenCodewords > MAX_DATA_CODEWORDS || lenCodewords < 1 || lenCodewords != codewords[0]) { throw new IllegalArgumentException("Invalid codeword size."); } } else { if (text == null) throw new NullPointerException("Text cannot be null."); if (text.length > ABSOLUTE_MAX_TEXT_SIZE) { throw new IndexOutOfBoundsException("The text is too big."); } segmentList = new SegmentList(); breakString(); //dumpList(); assemble(); segmentList = null; codewords[0] = lenCodewords = cwPtr; } maxErr = maxPossibleErrorLevel(MAX_DATA_CODEWORDS + 2 - lenCodewords); if ((options & PDF417_USE_ERROR_LEVEL) == 0) { if (lenCodewords < 41) errorLevel = 2; else if (lenCodewords < 161) errorLevel = 3; else if (lenCodewords < 321) errorLevel = 4; else errorLevel = 5; } if (errorLevel < 0) errorLevel = 0; else if (errorLevel > maxErr) errorLevel = maxErr; if (codeColumns < 1) codeColumns = 1; else if (codeColumns > 30) codeColumns = 30; if (codeRows < 3) codeRows = 3; else if (codeRows > 90) codeRows = 90; lenErr = 2 << errorLevel; boolean fixedColumn = (options & PDF417_FIXED_ROWS) == 0; boolean skipRowColAdjust = false; tot = lenCodewords + lenErr; if ((options & PDF417_FIXED_RECTANGLE) != 0) { tot = codeColumns * codeRows; if (tot > MAX_DATA_CODEWORDS + 2) { tot = getMaxSquare(); } if (tot < lenCodewords + lenErr) tot = lenCodewords + lenErr; else skipRowColAdjust = true; } else if ((options & (PDF417_FIXED_COLUMNS | PDF417_FIXED_ROWS)) == 0) { double c, b; fixedColumn = true; if (aspectRatio < 0.001) aspectRatio = 0.001f; else if (aspectRatio > 1000) aspectRatio = 1000; b = 73 * aspectRatio - 4; c = (-b + Math.sqrt(b * b + 4 * 17 * aspectRatio * (lenCodewords + lenErr) * yHeight)) / (2 * 17 * aspectRatio); codeColumns = (int) (c + 0.5); if (codeColumns < 1) codeColumns = 1; else if (codeColumns > 30) codeColumns = 30; } if (!skipRowColAdjust) { if (fixedColumn) { codeRows = (tot - 1) / codeColumns + 1; if (codeRows < 3) codeRows = 3; else if (codeRows > 90) { codeRows = 90; codeColumns = (tot - 1) / 90 + 1; } } else { codeColumns = (tot - 1) / codeRows + 1; if (codeColumns > 30) { codeColumns = 30; codeRows = (tot - 1) / 30 + 1; } } tot = codeRows * codeColumns; } if (tot > MAX_DATA_CODEWORDS + 2) { tot = getMaxSquare(); } errorLevel = maxPossibleErrorLevel(tot - lenCodewords); lenErr = 2 << errorLevel; pad = tot - lenErr - lenCodewords; if ((options & PDF417_USE_MACRO) != 0) { // the padding comes before the control block System.arraycopy(codewords, macroIndex, codewords, macroIndex + pad, pad); cwPtr = lenCodewords + pad; while (pad-- != 0) codewords[macroIndex++] = TEXT_MODE; } else { cwPtr = lenCodewords; while (pad-- != 0) codewords[cwPtr++] = TEXT_MODE; } codewords[0] = lenCodewords = cwPtr; calculateErrorCorrection(lenCodewords); lenCodewords = tot; outPaintCode(); } /** Gets an <CODE>Image</CODE> with the barcode. The image will have to be * scaled in the Y direction by <CODE>yHeight</CODE>for the barcode * to have the right printing aspect. * @return the barcode <CODE>Image</CODE> * @throws BadElementException on error */ public Image getImage() throws BadElementException { paintCode(); byte g4[] = CCITTG4Encoder.compress(outBits, bitColumns, codeRows); return Image.getInstance(bitColumns, codeRows, false, Image.CCITTG4, (options & PDF417_INVERT_BITMAP) == 0 ? 0 : Image.CCITT_BLACKIS1, g4, null); } /** Creates a <CODE>java.awt.Image</CODE>. * @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(); paintCode(); int h = (int) yHeight; int pix[] = new int[bitColumns * codeRows * h]; int stride = (bitColumns + 7) / 8; int ptr = 0; for (int k = 0; k < codeRows; ++k) { int p = k * stride; for (int j = 0; j < bitColumns; ++j) { int b = outBits[p + (j / 8)] & 0xff; b <<= j % 8; pix[ptr++] = (b & 0x80) == 0 ? g : f; } for (int j = 1; j < h; ++j) { System.arraycopy(pix, ptr - bitColumns, pix, ptr + bitColumns * (j - 1), bitColumns); } ptr += bitColumns * (h - 1); } java.awt.Image img = canvas .createImage(new MemoryImageSource(bitColumns, codeRows * h, pix, 0, bitColumns)); return img; } /** Gets the raw image bits of the barcode. The image will have to * be scaled in the Y direction by <CODE>yHeight</CODE>. * @return The raw barcode image */ public byte[] getOutBits() { return this.outBits; } /** Gets the number of X pixels of <CODE>outBits</CODE>. * @return the number of X pixels of <CODE>outBits</CODE> */ public int getBitColumns() { return this.bitColumns; } /** Gets the number of Y pixels of <CODE>outBits</CODE>. * It is also the number of rows in the barcode. * @return the number of Y pixels of <CODE>outBits</CODE> */ public int getCodeRows() { return this.codeRows; } /** Sets the number of barcode rows. This number may be changed * to keep the barcode valid. * @param codeRows the number of barcode rows */ public void setCodeRows(int codeRows) { this.codeRows = codeRows; } /** Gets the number of barcode data columns. * @return he number of barcode data columns */ public int getCodeColumns() { return this.codeColumns; } /** Sets the number of barcode data columns. * This number may be changed to keep the barcode valid. * @param codeColumns the number of barcode data columns */ public void setCodeColumns(int codeColumns) { this.codeColumns = codeColumns; } /** Gets the codeword array. This array is always 928 elements long. * It can be written to if the option <CODE>PDF417_USE_RAW_CODEWORDS</CODE> * is set. * @return the codeword array */ public int[] getCodewords() { return this.codewords; } /** Gets the length of the codewords. * @return the length of the codewords */ public int getLenCodewords() { return this.lenCodewords; } /** Sets the length of the codewords. * @param lenCodewords the length of the codewords */ public void setLenCodewords(int lenCodewords) { this.lenCodewords = lenCodewords; } /** Gets the error level correction used for the barcode. It may different * from the previously set value. * @return the error level correction used for the barcode */ public int getErrorLevel() { return this.errorLevel; } /** Sets the error level correction for the barcode. * @param errorLevel the error level correction for the barcode */ public void setErrorLevel(int errorLevel) { this.errorLevel = errorLevel; } /** Gets the bytes that form the barcode. This bytes should * be interpreted in the codepage Cp437. * @return the bytes that form the barcode */ public byte[] getText() { return this.text; } /** Sets the bytes that form the barcode. This bytes should * be interpreted in the codepage Cp437. * @param text the bytes that form the barcode */ public void setText(byte[] text) { this.text = text; } /** Sets the text that will form the barcode. This text is converted * to bytes using the encoding Cp437. * @param s the text that will form the barcode */ public void setText(String s) { this.text = PdfEncodings.convertToBytes(s, "cp437"); } /** Gets the options to generate the barcode. * @return the options to generate the barcode */ public int getOptions() { return this.options; } /** Sets the options to generate the barcode. This can be all * the <CODE>PDF417_*</CODE> constants. * @param options the options to generate the barcode */ public void setOptions(int options) { this.options = options; } /** Gets the barcode aspect ratio. * @return the barcode aspect ratio */ public float getAspectRatio() { return this.aspectRatio; } /** Sets the barcode aspect ratio. A ratio or 0.5 will make the * barcode width twice as large as the height. * @param aspectRatio the barcode aspect ratio */ public void setAspectRatio(float aspectRatio) { this.aspectRatio = aspectRatio; } /** Gets the Y pixel height relative to X. * @return the Y pixel height relative to X */ public float getYHeight() { return this.yHeight; } /** Sets the Y pixel height relative to X. It is usually 3. * @param yHeight the Y pixel height relative to X */ public void setYHeight(float yHeight) { this.yHeight = yHeight; } protected static final int START_PATTERN = 0x1fea8; protected static final int STOP_PATTERN = 0x3fa29; protected static final int START_CODE_SIZE = 17; protected static final int STOP_SIZE = 18; protected static final int MOD = 929; protected static final int ALPHA = 0x10000; protected static final int LOWER = 0x20000; protected static final int MIXED = 0x40000; protected static final int PUNCTUATION = 0x80000; protected static final int ISBYTE = 0x100000; protected static final int BYTESHIFT = 913; protected static final int PL = 25; protected static final int LL = 27; protected static final int AS = 27; protected static final int ML = 28; protected static final int AL = 28; protected static final int PS = 29; protected static final int PAL = 29; protected static final int SPACE = 26; protected static final int TEXT_MODE = 900; protected static final int BYTE_MODE_6 = 924; protected static final int BYTE_MODE = 901; protected static final int NUMERIC_MODE = 902; protected static final int ABSOLUTE_MAX_TEXT_SIZE = 5420; protected static final int MAX_DATA_CODEWORDS = 926; protected static final int MACRO_SEGMENT_ID = 928; protected static final int MACRO_LAST_SEGMENT = 922; private static final String MIXED_SET = "0123456789&\r\t,:#-.$/+%*=^"; private static final String PUNCTUATION_SET = ";<>@[\\]_`~!\r\t,:\n-.$/\"|*()?{}'"; private static final int CLUSTERS[][] = { { 0x1d5c0, 0x1eaf0, 0x1f57c, 0x1d4e0, 0x1ea78, 0x1f53e, 0x1a8c0, 0x1d470, 0x1a860, 0x15040, 0x1a830, 0x15020, 0x1adc0, 0x1d6f0, 0x1eb7c, 0x1ace0, 0x1d678, 0x1eb3e, 0x158c0, 0x1ac70, 0x15860, 0x15dc0, 0x1aef0, 0x1d77c, 0x15ce0, 0x1ae78, 0x1d73e, 0x15c70, 0x1ae3c, 0x15ef0, 0x1af7c, 0x15e78, 0x1af3e, 0x15f7c, 0x1f5fa, 0x1d2e0, 0x1e978, 0x1f4be, 0x1a4c0, 0x1d270, 0x1e93c, 0x1a460, 0x1d238, 0x14840, 0x1a430, 0x1d21c, 0x14820, 0x1a418, 0x14810, 0x1a6e0, 0x1d378, 0x1e9be, 0x14cc0, 0x1a670, 0x1d33c, 0x14c60, 0x1a638, 0x1d31e, 0x14c30, 0x1a61c, 0x14ee0, 0x1a778, 0x1d3be, 0x14e70, 0x1a73c, 0x14e38, 0x1a71e, 0x14f78, 0x1a7be, 0x14f3c, 0x14f1e, 0x1a2c0, 0x1d170, 0x1e8bc, 0x1a260, 0x1d138, 0x1e89e, 0x14440, 0x1a230, 0x1d11c, 0x14420, 0x1a218, 0x14410, 0x14408, 0x146c0, 0x1a370, 0x1d1bc, 0x14660, 0x1a338, 0x1d19e, 0x14630, 0x1a31c, 0x14618, 0x1460c, 0x14770, 0x1a3bc, 0x14738, 0x1a39e, 0x1471c, 0x147bc, 0x1a160, 0x1d0b8, 0x1e85e, 0x14240, 0x1a130, 0x1d09c, 0x14220, 0x1a118, 0x1d08e, 0x14210, 0x1a10c, 0x14208, 0x1a106, 0x14360, 0x1a1b8, 0x1d0de, 0x14330, 0x1a19c, 0x14318, 0x1a18e, 0x1430c, 0x14306, 0x1a1de, 0x1438e, 0x14140, 0x1a0b0, 0x1d05c, 0x14120, 0x1a098, 0x1d04e, 0x14110, 0x1a08c, 0x14108, 0x1a086, 0x14104, 0x141b0, 0x14198, 0x1418c, 0x140a0, 0x1d02e, 0x1a04c, 0x1a046, 0x14082, 0x1cae0, 0x1e578, 0x1f2be, 0x194c0, 0x1ca70, 0x1e53c, 0x19460, 0x1ca38, 0x1e51e, 0x12840, 0x19430, 0x12820, 0x196e0, 0x1cb78, 0x1e5be, 0x12cc0, 0x19670, 0x1cb3c, 0x12c60, 0x19638, 0x12c30, 0x12c18, 0x12ee0, 0x19778, 0x1cbbe, 0x12e70, 0x1973c, 0x12e38, 0x12e1c, 0x12f78, 0x197be, 0x12f3c, 0x12fbe, 0x1dac0, 0x1ed70, 0x1f6bc, 0x1da60, 0x1ed38, 0x1f69e, 0x1b440, 0x1da30, 0x1ed1c, 0x1b420, 0x1da18, 0x1ed0e, 0x1b410, 0x1da0c, 0x192c0, 0x1c970, 0x1e4bc, 0x1b6c0, 0x19260, 0x1c938, 0x1e49e, 0x1b660, 0x1db38, 0x1ed9e, 0x16c40, 0x12420, 0x19218, 0x1c90e, 0x16c20, 0x1b618, 0x16c10, 0x126c0, 0x19370, 0x1c9bc, 0x16ec0, 0x12660, 0x19338, 0x1c99e, 0x16e60, 0x1b738, 0x1db9e, 0x16e30, 0x12618, 0x16e18, 0x12770, 0x193bc, 0x16f70, 0x12738, 0x1939e, 0x16f38, 0x1b79e, 0x16f1c, 0x127bc, 0x16fbc, 0x1279e, 0x16f9e, 0x1d960, 0x1ecb8, 0x1f65e, 0x1b240, 0x1d930, 0x1ec9c, 0x1b220, 0x1d918, 0x1ec8e, 0x1b210, 0x1d90c, 0x1b208, 0x1b204, 0x19160, 0x1c8b8, 0x1e45e, 0x1b360, 0x19130, 0x1c89c, 0x16640, 0x12220, 0x1d99c, 0x1c88e, 0x16620, 0x12210, 0x1910c, 0x16610, 0x1b30c, 0x19106, 0x12204, 0x12360, 0x191b8, 0x1c8de, 0x16760, 0x12330, 0x1919c, 0x16730, 0x1b39c, 0x1918e, 0x16718, 0x1230c, 0x12306, 0x123b8, 0x191de, 0x167b8, 0x1239c, 0x1679c, 0x1238e, 0x1678e, 0x167de, 0x1b140, 0x1d8b0, 0x1ec5c, 0x1b120, 0x1d898, 0x1ec4e, 0x1b110, 0x1d88c, 0x1b108, 0x1d886, 0x1b104, 0x1b102, 0x12140, 0x190b0, 0x1c85c, 0x16340, 0x12120, 0x19098, 0x1c84e, 0x16320, 0x1b198, 0x1d8ce, 0x16310, 0x12108, 0x19086, 0x16308, 0x1b186, 0x16304, 0x121b0, 0x190dc, 0x163b0, 0x12198, 0x190ce, 0x16398, 0x1b1ce, 0x1638c, 0x12186, 0x16386, 0x163dc, 0x163ce, 0x1b0a0, 0x1d858, 0x1ec2e, 0x1b090, 0x1d84c, 0x1b088, 0x1d846, 0x1b084, 0x1b082, 0x120a0, 0x19058, 0x1c82e, 0x161a0, 0x12090, 0x1904c, 0x16190, 0x1b0cc, 0x19046, 0x16188, 0x12084, 0x16184, 0x12082, 0x120d8, 0x161d8, 0x161cc, 0x161c6, 0x1d82c, 0x1d826, 0x1b042, 0x1902c, 0x12048, 0x160c8, 0x160c4, 0x160c2, 0x18ac0, 0x1c570, 0x1e2bc, 0x18a60, 0x1c538, 0x11440, 0x18a30, 0x1c51c, 0x11420, 0x18a18, 0x11410, 0x11408, 0x116c0, 0x18b70, 0x1c5bc, 0x11660, 0x18b38, 0x1c59e, 0x11630, 0x18b1c, 0x11618, 0x1160c, 0x11770, 0x18bbc, 0x11738, 0x18b9e, 0x1171c, 0x117bc, 0x1179e, 0x1cd60, 0x1e6b8, 0x1f35e, 0x19a40, 0x1cd30, 0x1e69c, 0x19a20, 0x1cd18, 0x1e68e, 0x19a10, 0x1cd0c, 0x19a08, 0x1cd06, 0x18960, 0x1c4b8, 0x1e25e, 0x19b60, 0x18930, 0x1c49c, 0x13640, 0x11220, 0x1cd9c, 0x1c48e, 0x13620, 0x19b18, 0x1890c, 0x13610, 0x11208, 0x13608, 0x11360, 0x189b8, 0x1c4de, 0x13760, 0x11330, 0x1cdde, 0x13730, 0x19b9c, 0x1898e, 0x13718, 0x1130c, 0x1370c, 0x113b8, 0x189de, 0x137b8, 0x1139c, 0x1379c, 0x1138e, 0x113de, 0x137de, 0x1dd40, 0x1eeb0, 0x1f75c, 0x1dd20, 0x1ee98, 0x1f74e, 0x1dd10, 0x1ee8c, 0x1dd08, 0x1ee86, 0x1dd04, 0x19940, 0x1ccb0, 0x1e65c, 0x1bb40, 0x19920, 0x1eedc, 0x1e64e, 0x1bb20, 0x1dd98, 0x1eece, 0x1bb10, 0x19908, 0x1cc86, 0x1bb08, 0x1dd86, 0x19902, 0x11140, 0x188b0, 0x1c45c, 0x13340, 0x11120, 0x18898, 0x1c44e, 0x17740, 0x13320, 0x19998, 0x1ccce, 0x17720, 0x1bb98, 0x1ddce, 0x18886, 0x17710, 0x13308, 0x19986, 0x17708, 0x11102, 0x111b0, 0x188dc, 0x133b0, 0x11198, 0x188ce, 0x177b0, 0x13398, 0x199ce, 0x17798, 0x1bbce, 0x11186, 0x13386, 0x111dc, 0x133dc, 0x111ce, 0x177dc, 0x133ce, 0x1dca0, 0x1ee58, 0x1f72e, 0x1dc90, 0x1ee4c, 0x1dc88, 0x1ee46, 0x1dc84, 0x1dc82, 0x198a0, 0x1cc58, 0x1e62e, 0x1b9a0, 0x19890, 0x1ee6e, 0x1b990, 0x1dccc, 0x1cc46, 0x1b988, 0x19884, 0x1b984, 0x19882, 0x1b982, 0x110a0, 0x18858, 0x1c42e, 0x131a0, 0x11090, 0x1884c, 0x173a0, 0x13190, 0x198cc, 0x18846, 0x17390, 0x1b9cc, 0x11084, 0x17388, 0x13184, 0x11082, 0x13182, 0x110d8, 0x1886e, 0x131d8, 0x110cc, 0x173d8, 0x131cc, 0x110c6, 0x173cc, 0x131c6, 0x110ee, 0x173ee, 0x1dc50, 0x1ee2c, 0x1dc48, 0x1ee26, 0x1dc44, 0x1dc42, 0x19850, 0x1cc2c, 0x1b8d0, 0x19848, 0x1cc26, 0x1b8c8, 0x1dc66, 0x1b8c4, 0x19842, 0x1b8c2, 0x11050, 0x1882c, 0x130d0, 0x11048, 0x18826, 0x171d0, 0x130c8, 0x19866, 0x171c8, 0x1b8e6, 0x11042, 0x171c4, 0x130c2, 0x171c2, 0x130ec, 0x171ec, 0x171e6, 0x1ee16, 0x1dc22, 0x1cc16, 0x19824, 0x19822, 0x11028, 0x13068, 0x170e8, 0x11022, 0x13062, 0x18560, 0x10a40, 0x18530, 0x10a20, 0x18518, 0x1c28e, 0x10a10, 0x1850c, 0x10a08, 0x18506, 0x10b60, 0x185b8, 0x1c2de, 0x10b30, 0x1859c, 0x10b18, 0x1858e, 0x10b0c, 0x10b06, 0x10bb8, 0x185de, 0x10b9c, 0x10b8e, 0x10bde, 0x18d40, 0x1c6b0, 0x1e35c, 0x18d20, 0x1c698, 0x18d10, 0x1c68c, 0x18d08, 0x1c686, 0x18d04, 0x10940, 0x184b0, 0x1c25c, 0x11b40, 0x10920, 0x1c6dc, 0x1c24e, 0x11b20, 0x18d98, 0x1c6ce, 0x11b10, 0x10908, 0x18486, 0x11b08, 0x18d86, 0x10902, 0x109b0, 0x184dc, 0x11bb0, 0x10998, 0x184ce, 0x11b98, 0x18dce, 0x11b8c, 0x10986, 0x109dc, 0x11bdc, 0x109ce, 0x11bce, 0x1cea0, 0x1e758, 0x1f3ae, 0x1ce90, 0x1e74c, 0x1ce88, 0x1e746, 0x1ce84, 0x1ce82, 0x18ca0, 0x1c658, 0x19da0, 0x18c90, 0x1c64c, 0x19d90, 0x1cecc, 0x1c646, 0x19d88, 0x18c84, 0x19d84, 0x18c82, 0x19d82, 0x108a0, 0x18458, 0x119a0, 0x10890, 0x1c66e, 0x13ba0, 0x11990, 0x18ccc, 0x18446, 0x13b90, 0x19dcc, 0x10884, 0x13b88, 0x11984, 0x10882, 0x11982, 0x108d8, 0x1846e, 0x119d8, 0x108cc, 0x13bd8, 0x119cc, 0x108c6, 0x13bcc, 0x119c6, 0x108ee, 0x119ee, 0x13bee, 0x1ef50, 0x1f7ac, 0x1ef48, 0x1f7a6, 0x1ef44, 0x1ef42, 0x1ce50, 0x1e72c, 0x1ded0, 0x1ef6c, 0x1e726, 0x1dec8, 0x1ef66, 0x1dec4, 0x1ce42, 0x1dec2, 0x18c50, 0x1c62c, 0x19cd0, 0x18c48, 0x1c626, 0x1bdd0, 0x19cc8, 0x1ce66, 0x1bdc8, 0x1dee6, 0x18c42, 0x1bdc4, 0x19cc2, 0x1bdc2, 0x10850, 0x1842c, 0x118d0, 0x10848, 0x18426, 0x139d0, 0x118c8, 0x18c66, 0x17bd0, 0x139c8, 0x19ce6, 0x10842, 0x17bc8, 0x1bde6, 0x118c2, 0x17bc4, 0x1086c, 0x118ec, 0x10866, 0x139ec, 0x118e6, 0x17bec, 0x139e6, 0x17be6, 0x1ef28, 0x1f796, 0x1ef24, 0x1ef22, 0x1ce28, 0x1e716, 0x1de68, 0x1ef36, 0x1de64, 0x1ce22, 0x1de62, 0x18c28, 0x1c616, 0x19c68, 0x18c24, 0x1bce8, 0x19c64, 0x18c22, 0x1bce4, 0x19c62, 0x1bce2, 0x10828, 0x18416, 0x11868, 0x18c36, 0x138e8, 0x11864, 0x10822, 0x179e8, 0x138e4, 0x11862, 0x179e4, 0x138e2, 0x179e2, 0x11876, 0x179f6, 0x1ef12, 0x1de34, 0x1de32, 0x19c34, 0x1bc74, 0x1bc72, 0x11834, 0x13874, 0x178f4, 0x178f2, 0x10540, 0x10520, 0x18298, 0x10510, 0x10508, 0x10504, 0x105b0, 0x10598, 0x1058c, 0x10586, 0x105dc, 0x105ce, 0x186a0, 0x18690, 0x1c34c, 0x18688, 0x1c346, 0x18684, 0x18682, 0x104a0, 0x18258, 0x10da0, 0x186d8, 0x1824c, 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0x16c78, 0x1243c, 0x16c3c, 0x1241e, 0x16c1e, 0x1f934, 0x126f8, 0x1937e, 0x1fb74, 0x1f932, 0x16ef8, 0x1267c, 0x1fb72, 0x16e7c, 0x1263e, 0x16e3e, 0x1f274, 0x1277e, 0x1f6f4, 0x1f272, 0x16f7e, 0x1f6f2, 0x1e4f4, 0x1edf4, 0x1e4f2, 0x1edf2, 0x1c9f4, 0x1dbf4, 0x1c9f2, 0x1dbf2, 0x193f4, 0x193f2, 0x165c0, 0x1b2f0, 0x1d97c, 0x164e0, 0x1b278, 0x1d93e, 0x16470, 0x1b23c, 0x16438, 0x1b21e, 0x1641c, 0x1640e, 0x122f0, 0x1917c, 0x166f0, 0x12278, 0x1913e, 0x16678, 0x1b33e, 0x1663c, 0x1221e, 0x1661e, 0x1f91a, 0x1237c, 0x1fb3a, 0x1677c, 0x1233e, 0x1673e, 0x1f23a, 0x1f67a, 0x1e47a, 0x1ecfa, 0x1c8fa, 0x1d9fa, 0x191fa, 0x162e0, 0x1b178, 0x1d8be, 0x16270, 0x1b13c, 0x16238, 0x1b11e, 0x1621c, 0x1620e, 0x12178, 0x190be, 0x16378, 0x1213c, 0x1633c, 0x1211e, 0x1631e, 0x121be, 0x163be, 0x16170, 0x1b0bc, 0x16138, 0x1b09e, 0x1611c, 0x1610e, 0x120bc, 0x161bc, 0x1209e, 0x1619e, 0x160b8, 0x1b05e, 0x1609c, 0x1608e, 0x1205e, 0x160de, 0x1605c, 0x1604e, 0x115e0, 0x18af8, 0x1c57e, 0x114f0, 0x18a7c, 0x11478, 0x18a3e, 0x1143c, 0x1141e, 0x1f8b4, 0x116f8, 0x18b7e, 0x1f8b2, 0x1167c, 0x1163e, 0x1f174, 0x1177e, 0x1f172, 0x1e2f4, 0x1e2f2, 0x1c5f4, 0x1c5f2, 0x18bf4, 0x18bf2, 0x135c0, 0x19af0, 0x1cd7c, 0x134e0, 0x19a78, 0x1cd3e, 0x13470, 0x19a3c, 0x13438, 0x19a1e, 0x1341c, 0x1340e, 0x112f0, 0x1897c, 0x136f0, 0x11278, 0x1893e, 0x13678, 0x19b3e, 0x1363c, 0x1121e, 0x1361e, 0x1f89a, 0x1137c, 0x1f9ba, 0x1377c, 0x1133e, 0x1373e, 0x1f13a, 0x1f37a, 0x1e27a, 0x1e6fa, 0x1c4fa, 0x1cdfa, 0x189fa, 0x1bae0, 0x1dd78, 0x1eebe, 0x174c0, 0x1ba70, 0x1dd3c, 0x17460, 0x1ba38, 0x1dd1e, 0x17430, 0x1ba1c, 0x17418, 0x1ba0e, 0x1740c, 0x132e0, 0x19978, 0x1ccbe, 0x176e0, 0x13270, 0x1993c, 0x17670, 0x1bb3c, 0x1991e, 0x17638, 0x1321c, 0x1761c, 0x1320e, 0x1760e, 0x11178, 0x188be, 0x13378, 0x1113c, 0x17778, 0x1333c, 0x1111e, 0x1773c, 0x1331e, 0x1771e, 0x111be, 0x133be, 0x177be, 0x172c0, 0x1b970, 0x1dcbc, 0x17260, 0x1b938, 0x1dc9e, 0x17230, 0x1b91c, 0x17218, 0x1b90e, 0x1720c, 0x17206, 0x13170, 0x198bc, 0x17370, 0x13138, 0x1989e, 0x17338, 0x1b99e, 0x1731c, 0x1310e, 0x1730e, 0x110bc, 0x131bc, 0x1109e, 0x173bc, 0x1319e, 0x1739e, 0x17160, 0x1b8b8, 0x1dc5e, 0x17130, 0x1b89c, 0x17118, 0x1b88e, 0x1710c, 0x17106, 0x130b8, 0x1985e, 0x171b8, 0x1309c, 0x1719c, 0x1308e, 0x1718e, 0x1105e, 0x130de, 0x171de, 0x170b0, 0x1b85c, 0x17098, 0x1b84e, 0x1708c, 0x17086, 0x1305c, 0x170dc, 0x1304e, 0x170ce, 0x17058, 0x1b82e, 0x1704c, 0x17046, 0x1302e, 0x1706e, 0x1702c, 0x17026, 0x10af0, 0x1857c, 0x10a78, 0x1853e, 0x10a3c, 0x10a1e, 0x10b7c, 0x10b3e, 0x1f0ba, 0x1e17a, 0x1c2fa, 0x185fa, 0x11ae0, 0x18d78, 0x1c6be, 0x11a70, 0x18d3c, 0x11a38, 0x18d1e, 0x11a1c, 0x11a0e, 0x10978, 0x184be, 0x11b78, 0x1093c, 0x11b3c, 0x1091e, 0x11b1e, 0x109be, 0x11bbe, 0x13ac0, 0x19d70, 0x1cebc, 0x13a60, 0x19d38, 0x1ce9e, 0x13a30, 0x19d1c, 0x13a18, 0x19d0e, 0x13a0c, 0x13a06, 0x11970, 0x18cbc, 0x13b70, 0x11938, 0x18c9e, 0x13b38, 0x1191c, 0x13b1c, 0x1190e, 0x13b0e, 0x108bc, 0x119bc, 0x1089e, 0x13bbc, 0x1199e, 0x13b9e, 0x1bd60, 0x1deb8, 0x1ef5e, 0x17a40, 0x1bd30, 0x1de9c, 0x17a20, 0x1bd18, 0x1de8e, 0x17a10, 0x1bd0c, 0x17a08, 0x1bd06, 0x17a04, 0x13960, 0x19cb8, 0x1ce5e, 0x17b60, 0x13930, 0x19c9c, 0x17b30, 0x1bd9c, 0x19c8e, 0x17b18, 0x1390c, 0x17b0c, 0x13906, 0x17b06, 0x118b8, 0x18c5e, 0x139b8, 0x1189c, 0x17bb8, 0x1399c, 0x1188e, 0x17b9c, 0x1398e, 0x17b8e, 0x1085e, 0x118de, 0x139de, 0x17bde, 0x17940, 0x1bcb0, 0x1de5c, 0x17920, 0x1bc98, 0x1de4e, 0x17910, 0x1bc8c, 0x17908, 0x1bc86, 0x17904, 0x17902, 0x138b0, 0x19c5c, 0x179b0, 0x13898, 0x19c4e, 0x17998, 0x1bcce, 0x1798c, 0x13886, 0x17986, 0x1185c, 0x138dc, 0x1184e, 0x179dc, 0x138ce, 0x179ce, 0x178a0, 0x1bc58, 0x1de2e, 0x17890, 0x1bc4c, 0x17888, 0x1bc46, 0x17884, 0x17882, 0x13858, 0x19c2e, 0x178d8, 0x1384c, 0x178cc, 0x13846, 0x178c6, 0x1182e, 0x1386e, 0x178ee, 0x17850, 0x1bc2c, 0x17848, 0x1bc26, 0x17844, 0x17842, 0x1382c, 0x1786c, 0x13826, 0x17866, 0x17828, 0x1bc16, 0x17824, 0x17822, 0x13816, 0x17836, 0x10578, 0x182be, 0x1053c, 0x1051e, 0x105be, 0x10d70, 0x186bc, 0x10d38, 0x1869e, 0x10d1c, 0x10d0e, 0x104bc, 0x10dbc, 0x1049e, 0x10d9e, 0x11d60, 0x18eb8, 0x1c75e, 0x11d30, 0x18e9c, 0x11d18, 0x18e8e, 0x11d0c, 0x11d06, 0x10cb8, 0x1865e, 0x11db8, 0x10c9c, 0x11d9c, 0x10c8e, 0x11d8e, 0x1045e, 0x10cde, 0x11dde, 0x13d40, 0x19eb0, 0x1cf5c, 0x13d20, 0x19e98, 0x1cf4e, 0x13d10, 0x19e8c, 0x13d08, 0x19e86, 0x13d04, 0x13d02, 0x11cb0, 0x18e5c, 0x13db0, 0x11c98, 0x18e4e, 0x13d98, 0x19ece, 0x13d8c, 0x11c86, 0x13d86, 0x10c5c, 0x11cdc, 0x10c4e, 0x13ddc, 0x11cce, 0x13dce, 0x1bea0, 0x1df58, 0x1efae, 0x1be90, 0x1df4c, 0x1be88, 0x1df46, 0x1be84, 0x1be82, 0x13ca0, 0x19e58, 0x1cf2e, 0x17da0, 0x13c90, 0x19e4c, 0x17d90, 0x1becc, 0x19e46, 0x17d88, 0x13c84, 0x17d84, 0x13c82, 0x17d82, 0x11c58, 0x18e2e, 0x13cd8, 0x11c4c, 0x17dd8, 0x13ccc, 0x11c46, 0x17dcc, 0x13cc6, 0x17dc6, 0x10c2e, 0x11c6e, 0x13cee, 0x17dee, 0x1be50, 0x1df2c, 0x1be48, 0x1df26, 0x1be44, 0x1be42, 0x13c50, 0x19e2c, 0x17cd0, 0x13c48, 0x19e26, 0x17cc8, 0x1be66, 0x17cc4, 0x13c42, 0x17cc2, 0x11c2c, 0x13c6c, 0x11c26, 0x17cec, 0x13c66, 0x17ce6, 0x1be28, 0x1df16, 0x1be24, 0x1be22, 0x13c28, 0x19e16, 0x17c68, 0x13c24, 0x17c64, 0x13c22, 0x17c62, 0x11c16, 0x13c36, 0x17c76, 0x1be14, 0x1be12, 0x13c14, 0x17c34, 0x13c12, 0x17c32, 0x102bc, 0x1029e, 0x106b8, 0x1835e, 0x1069c, 0x1068e, 0x1025e, 0x106de, 0x10eb0, 0x1875c, 0x10e98, 0x1874e, 0x10e8c, 0x10e86, 0x1065c, 0x10edc, 0x1064e, 0x10ece, 0x11ea0, 0x18f58, 0x1c7ae, 0x11e90, 0x18f4c, 0x11e88, 0x18f46, 0x11e84, 0x11e82, 0x10e58, 0x1872e, 0x11ed8, 0x18f6e, 0x11ecc, 0x10e46, 0x11ec6, 0x1062e, 0x10e6e, 0x11eee, 0x19f50, 0x1cfac, 0x19f48, 0x1cfa6, 0x19f44, 0x19f42, 0x11e50, 0x18f2c, 0x13ed0, 0x19f6c, 0x18f26, 0x13ec8, 0x11e44, 0x13ec4, 0x11e42, 0x13ec2, 0x10e2c, 0x11e6c, 0x10e26, 0x13eec, 0x11e66, 0x13ee6, 0x1dfa8, 0x1efd6, 0x1dfa4, 0x1dfa2, 0x19f28, 0x1cf96, 0x1bf68, 0x19f24, 0x1bf64, 0x19f22, 0x1bf62, 0x11e28, 0x18f16, 0x13e68, 0x11e24, 0x17ee8, 0x13e64, 0x11e22, 0x17ee4, 0x13e62, 0x17ee2, 0x10e16, 0x11e36, 0x13e76, 0x17ef6, 0x1df94, 0x1df92, 0x19f14, 0x1bf34, 0x19f12, 0x1bf32, 0x11e14, 0x13e34, 0x11e12, 0x17e74, 0x13e32, 0x17e72, 0x1df8a, 0x19f0a, 0x1bf1a, 0x11e0a, 0x13e1a, 0x17e3a, 0x1035c, 0x1034e, 0x10758, 0x183ae, 0x1074c, 0x10746, 0x1032e, 0x1076e, 0x10f50, 0x187ac, 0x10f48, 0x187a6, 0x10f44, 0x10f42, 0x1072c, 0x10f6c, 0x10726, 0x10f66, 0x18fa8, 0x1c7d6, 0x18fa4, 0x18fa2, 0x10f28, 0x18796, 0x11f68, 0x18fb6, 0x11f64, 0x10f22, 0x11f62, 0x10716, 0x10f36, 0x11f76, 0x1cfd4, 0x1cfd2, 0x18f94, 0x19fb4, 0x18f92, 0x19fb2, 0x10f14, 0x11f34, 0x10f12, 0x13f74, 0x11f32, 0x13f72, 0x1cfca, 0x18f8a, 0x19f9a, 0x10f0a, 0x11f1a, 0x13f3a, 0x103ac, 0x103a6, 0x107a8, 0x183d6, 0x107a4, 0x107a2, 0x10396, 0x107b6, 0x187d4, 0x187d2, 0x10794, 0x10fb4, 0x10792, 0x10fb2, 0x1c7ea } }; private static final int ERROR_LEVEL[][] = { { 27, 917 }, { 522, 568, 723, 809 }, { 237, 308, 436, 284, 646, 653, 428, 379 }, { 274, 562, 232, 755, 599, 524, 801, 132, 295, 116, 442, 428, 295, 42, 176, 65 }, { 361, 575, 922, 525, 176, 586, 640, 321, 536, 742, 677, 742, 687, 284, 193, 517, 273, 494, 263, 147, 593, 800, 571, 320, 803, 133, 231, 390, 685, 330, 63, 410 }, { 539, 422, 6, 93, 862, 771, 453, 106, 610, 287, 107, 505, 733, 877, 381, 612, 723, 476, 462, 172, 430, 609, 858, 822, 543, 376, 511, 400, 672, 762, 283, 184, 440, 35, 519, 31, 460, 594, 225, 535, 517, 352, 605, 158, 651, 201, 488, 502, 648, 733, 717, 83, 404, 97, 280, 771, 840, 629, 4, 381, 843, 623, 264, 543 }, { 521, 310, 864, 547, 858, 580, 296, 379, 53, 779, 897, 444, 400, 925, 749, 415, 822, 93, 217, 208, 928, 244, 583, 620, 246, 148, 447, 631, 292, 908, 490, 704, 516, 258, 457, 907, 594, 723, 674, 292, 272, 96, 684, 432, 686, 606, 860, 569, 193, 219, 129, 186, 236, 287, 192, 775, 278, 173, 40, 379, 712, 463, 646, 776, 171, 491, 297, 763, 156, 732, 95, 270, 447, 90, 507, 48, 228, 821, 808, 898, 784, 663, 627, 378, 382, 262, 380, 602, 754, 336, 89, 614, 87, 432, 670, 616, 157, 374, 242, 726, 600, 269, 375, 898, 845, 454, 354, 130, 814, 587, 804, 34, 211, 330, 539, 297, 827, 865, 37, 517, 834, 315, 550, 86, 801, 4, 108, 539 }, { 524, 894, 75, 766, 882, 857, 74, 204, 82, 586, 708, 250, 905, 786, 138, 720, 858, 194, 311, 913, 275, 190, 375, 850, 438, 733, 194, 280, 201, 280, 828, 757, 710, 814, 919, 89, 68, 569, 11, 204, 796, 605, 540, 913, 801, 700, 799, 137, 439, 418, 592, 668, 353, 859, 370, 694, 325, 240, 216, 257, 284, 549, 209, 884, 315, 70, 329, 793, 490, 274, 877, 162, 749, 812, 684, 461, 334, 376, 849, 521, 307, 291, 803, 712, 19, 358, 399, 908, 103, 511, 51, 8, 517, 225, 289, 470, 637, 731, 66, 255, 917, 269, 463, 830, 730, 433, 848, 585, 136, 538, 906, 90, 2, 290, 743, 199, 655, 903, 329, 49, 802, 580, 355, 588, 188, 462, 10, 134, 628, 320, 479, 130, 739, 71, 263, 318, 374, 601, 192, 605, 142, 673, 687, 234, 722, 384, 177, 752, 607, 640, 455, 193, 689, 707, 805, 641, 48, 60, 732, 621, 895, 544, 261, 852, 655, 309, 697, 755, 756, 60, 231, 773, 434, 421, 726, 528, 503, 118, 49, 795, 32, 144, 500, 238, 836, 394, 280, 566, 319, 9, 647, 550, 73, 914, 342, 126, 32, 681, 331, 792, 620, 60, 609, 441, 180, 791, 893, 754, 605, 383, 228, 749, 760, 213, 54, 297, 134, 54, 834, 299, 922, 191, 910, 532, 609, 829, 189, 20, 167, 29, 872, 449, 83, 402, 41, 656, 505, 579, 481, 173, 404, 251, 688, 95, 497, 555, 642, 543, 307, 159, 924, 558, 648, 55, 497, 10 }, { 352, 77, 373, 504, 35, 599, 428, 207, 409, 574, 118, 498, 285, 380, 350, 492, 197, 265, 920, 155, 914, 299, 229, 643, 294, 871, 306, 88, 87, 193, 352, 781, 846, 75, 327, 520, 435, 543, 203, 666, 249, 346, 781, 621, 640, 268, 794, 534, 539, 781, 408, 390, 644, 102, 476, 499, 290, 632, 545, 37, 858, 916, 552, 41, 542, 289, 122, 272, 383, 800, 485, 98, 752, 472, 761, 107, 784, 860, 658, 741, 290, 204, 681, 407, 855, 85, 99, 62, 482, 180, 20, 297, 451, 593, 913, 142, 808, 684, 287, 536, 561, 76, 653, 899, 729, 567, 744, 390, 513, 192, 516, 258, 240, 518, 794, 395, 768, 848, 51, 610, 384, 168, 190, 826, 328, 596, 786, 303, 570, 381, 415, 641, 156, 237, 151, 429, 531, 207, 676, 710, 89, 168, 304, 402, 40, 708, 575, 162, 864, 229, 65, 861, 841, 512, 164, 477, 221, 92, 358, 785, 288, 357, 850, 836, 827, 736, 707, 94, 8, 494, 114, 521, 2, 499, 851, 543, 152, 729, 771, 95, 248, 361, 578, 323, 856, 797, 289, 51, 684, 466, 533, 820, 669, 45, 902, 452, 167, 342, 244, 173, 35, 463, 651, 51, 699, 591, 452, 578, 37, 124, 298, 332, 552, 43, 427, 119, 662, 777, 475, 850, 764, 364, 578, 911, 283, 711, 472, 420, 245, 288, 594, 394, 511, 327, 589, 777, 699, 688, 43, 408, 842, 383, 721, 521, 560, 644, 714, 559, 62, 145, 873, 663, 713, 159, 672, 729, 624, 59, 193, 417, 158, 209, 563, 564, 343, 693, 109, 608, 563, 365, 181, 772, 677, 310, 248, 353, 708, 410, 579, 870, 617, 841, 632, 860, 289, 536, 35, 777, 618, 586, 424, 833, 77, 597, 346, 269, 757, 632, 695, 751, 331, 247, 184, 45, 787, 680, 18, 66, 407, 369, 54, 492, 228, 613, 830, 922, 437, 519, 644, 905, 789, 420, 305, 441, 207, 300, 892, 827, 141, 537, 381, 662, 513, 56, 252, 341, 242, 797, 838, 837, 720, 224, 307, 631, 61, 87, 560, 310, 756, 665, 397, 808, 851, 309, 473, 795, 378, 31, 647, 915, 459, 806, 590, 731, 425, 216, 548, 249, 321, 881, 699, 535, 673, 782, 210, 815, 905, 303, 843, 922, 281, 73, 469, 791, 660, 162, 498, 308, 155, 422, 907, 817, 187, 62, 16, 425, 535, 336, 286, 437, 375, 273, 610, 296, 183, 923, 116, 667, 751, 353, 62, 366, 691, 379, 687, 842, 37, 357, 720, 742, 330, 5, 39, 923, 311, 424, 242, 749, 321, 54, 669, 316, 342, 299, 534, 105, 667, 488, 640, 672, 576, 540, 316, 486, 721, 610, 46, 656, 447, 171, 616, 464, 190, 531, 297, 321, 762, 752, 533, 175, 134, 14, 381, 433, 717, 45, 111, 20, 596, 284, 736, 138, 646, 411, 877, 669, 141, 919, 45, 780, 407, 164, 332, 899, 165, 726, 600, 325, 498, 655, 357, 752, 768, 223, 849, 647, 63, 310, 863, 251, 366, 304, 282, 738, 675, 410, 389, 244, 31, 121, 303, 263 } }; /** Holds value of property outBits. */ private byte[] outBits; /** Holds value of property bitColumns. */ private int bitColumns; /** Holds value of property codeRows. */ private int codeRows; /** Holds value of property codeColumns. */ private int codeColumns; /** Holds value of property codewords. */ private int[] codewords = new int[MAX_DATA_CODEWORDS + 2]; /** Holds value of property lenCodewords. */ private int lenCodewords; /** Holds value of property errorLevel. */ private int errorLevel; /** Holds value of property text. */ private byte[] text; /** Holds value of property options. */ private int options; /** Holds value of property aspectRatio. */ private float aspectRatio; /** Holds value of property yHeight. */ private float yHeight; protected static class Segment { public char type; public int start; public int end; public Segment(char type, int start, int end) { this.type = type; this.start = start; this.end = end; } } protected static class SegmentList { protected ArrayList list = new ArrayList(); public void add(char type, int start, int end) { list.add(new Segment(type, start, end)); } public Segment get(int idx) { if (idx < 0 || idx >= list.size()) return null; return (Segment) list.get(idx); } public void remove(int idx) { if (idx < 0 || idx >= list.size()) return; list.remove(idx); } public int size() { return list.size(); } } }