1<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> 2<!-- NewPage --> 3<html lang="en"> 4<head> 5<!-- Generated by javadoc --> 6<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 7<title>Code39Reader (ZXing 3.5.1 API)</title> 8<link rel="stylesheet" type="text/css" href="../../../../stylesheet.css" title="Style"> 9<script type="text/javascript" src="../../../../script.js"></script> 10</head> 11<body> 12<script type="text/javascript"><!-- 13 try { 14 if (location.href.indexOf('is-external=true') == -1) { 15 parent.document.title="Code39Reader (ZXing 3.5.1 API)"; 16 } 17 } 18 catch(err) { 19 } 20//--> 21var methods = {"i0":10}; 22var tabs = {65535:["t0","All Methods"],2:["t2","Instance Methods"],8:["t4","Concrete Methods"]}; 23var altColor = "altColor"; 24var rowColor = "rowColor"; 25var tableTab = "tableTab"; 26var activeTableTab = "activeTableTab"; 27</script> 28<noscript> 29<div>JavaScript is disabled on your browser.</div> 30</noscript> 31<!-- ========= START OF TOP NAVBAR ======= --> 32<div class="topNav"><a name="navbar.top"> 33<!-- --> 34</a> 35<div class="skipNav"><a href="#skip.navbar.top" title="Skip navigation links">Skip navigation links</a></div> 36<a name="navbar.top.firstrow"> 37<!-- --> 38</a> 39<ul class="navList" title="Navigation"> 40<li><a href="../../../../overview-summary.html">Overview</a></li> 41<li><a href="package-summary.html">Package</a></li> 42<li class="navBarCell1Rev">Class</li> 43<li><a href="class-use/Code39Reader.html">Use</a></li> 44<li><a href="package-tree.html">Tree</a></li> 45<li><a href="../../../../deprecated-list.html">Deprecated</a></li> 46<li><a href="../../../../index-all.html">Index</a></li> 47<li><a href="../../../../help-doc.html">Help</a></li> 48</ul> 49</div> 50<div class="subNav"> 51<ul class="navList"> 52<li><a href="../../../../com/google/zxing/oned/Code128Writer.html" title="class in com.google.zxing.oned"><span class="typeNameLink">Prev Class</span></a></li> 53<li><a href="../../../../com/google/zxing/oned/Code39Writer.html" title="class in com.google.zxing.oned"><span class="typeNameLink">Next Class</span></a></li> 54</ul> 55<ul class="navList"> 56<li><a href="../../../../index.html?com/google/zxing/oned/Code39Reader.html" target="_top">Frames</a></li> 57<li><a href="Code39Reader.html" target="_top">No Frames</a></li> 58</ul> 59<ul class="navList" id="allclasses_navbar_top"> 60<li><a href="../../../../allclasses-noframe.html">All Classes</a></li> 61</ul> 62<div> 63<script type="text/javascript"><!-- 64 allClassesLink = document.getElementById("allclasses_navbar_top"); 65 if(window==top) { 66 allClassesLink.style.display = "block"; 67 } 68 else { 69 allClassesLink.style.display = "none"; 70 } 71 //--> 72</script> 73</div> 74<div> 75<ul class="subNavList"> 76<li>Summary: </li> 77<li>Nested | </li> 78<li>Field | </li> 79<li><a href="#constructor.summary">Constr</a> | </li> 80<li><a href="#method.summary">Method</a></li> 81</ul> 82<ul class="subNavList"> 83<li>Detail: </li> 84<li>Field | </li> 85<li><a href="#constructor.detail">Constr</a> | </li> 86<li><a href="#method.detail">Method</a></li> 87</ul> 88</div> 89<a name="skip.navbar.top"> 90<!-- --> 91</a></div> 92<!-- ========= END OF TOP NAVBAR ========= --> 93<!-- ======== START OF CLASS DATA ======== --> 94<div class="header"> 95<div class="subTitle">com.google.zxing.oned</div> 96<h2 title="Class Code39Reader" class="title">Class Code39Reader</h2> 97</div> 98<div class="contentContainer"> 99<ul class="inheritance"> 100<li><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li> 101<li> 102<ul class="inheritance"> 103<li><a href="../../../../com/google/zxing/oned/OneDReader.html" title="class in com.google.zxing.oned">com.google.zxing.oned.OneDReader</a></li> 104<li> 105<ul class="inheritance"> 106<li>com.google.zxing.oned.Code39Reader</li> 107</ul> 108</li> 109</ul> 110</li> 111</ul> 112<div class="description"> 113<ul class="blockList"> 114<li class="blockList"> 115<dl> 116<dt>All Implemented Interfaces:</dt> 117<dd><a href="../../../../com/google/zxing/Reader.html" title="interface in com.google.zxing">Reader</a></dd> 118</dl> 119<hr> 120<br> 121<pre>public final class <span class="typeNameLabel">Code39Reader</span> 122extends <a href="../../../../com/google/zxing/oned/OneDReader.html" title="class in com.google.zxing.oned">OneDReader</a></pre> 123<div class="block"><p>Decodes Code 39 barcodes. Supports "Full ASCII Code 39" if USE_CODE_39_EXTENDED_MODE is set.</p></div> 124<dl> 125<dt><span class="simpleTagLabel">Author:</span></dt> 126<dd>Sean Owen</dd> 127<dt><span class="seeLabel">See Also:</span></dt> 128<dd><a href="../../../../com/google/zxing/oned/Code93Reader.html" title="class in com.google.zxing.oned"><code>Code93Reader</code></a></dd> 129</dl> 130</li> 131</ul> 132</div> 133<div class="summary"> 134<ul class="blockList"> 135<li class="blockList"> 136<!-- ======== CONSTRUCTOR SUMMARY ======== --> 137<ul class="blockList"> 138<li class="blockList"><a name="constructor.summary"> 139<!-- --> 140</a> 141<h3>Constructor Summary</h3> 142<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Constructor Summary table, listing constructors, and an explanation"> 143<caption><span>Constructors</span><span class="tabEnd"> </span></caption> 144<tr> 145<th class="colOne" scope="col">Constructor and Description</th> 146</tr> 147<tr class="altColor"> 148<td class="colOne"><code><span class="memberNameLink"><a href="../../../../com/google/zxing/oned/Code39Reader.html#Code39Reader--">Code39Reader</a></span>()</code> 149<div class="block">Creates a reader that assumes all encoded data is data, and does not treat the final 150 character as a check digit.</div> 151</td> 152</tr> 153<tr class="rowColor"> 154<td class="colOne"><code><span class="memberNameLink"><a href="../../../../com/google/zxing/oned/Code39Reader.html#Code39Reader-boolean-">Code39Reader</a></span>(boolean usingCheckDigit)</code> 155<div class="block">Creates a reader that can be configured to check the last character as a check digit.</div> 156</td> 157</tr> 158<tr class="altColor"> 159<td class="colOne"><code><span class="memberNameLink"><a href="../../../../com/google/zxing/oned/Code39Reader.html#Code39Reader-boolean-boolean-">Code39Reader</a></span>(boolean usingCheckDigit, 160 boolean extendedMode)</code> 161<div class="block">Creates a reader that can be configured to check the last character as a check digit, 162 or optionally attempt to decode "extended Code 39" sequences that are used to encode 163 the full ASCII character set.</div> 164</td> 165</tr> 166</table> 167</li> 168</ul> 169<!-- ========== METHOD SUMMARY =========== --> 170<ul class="blockList"> 171<li class="blockList"><a name="method.summary"> 172<!-- --> 173</a> 174<h3>Method Summary</h3> 175<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation"> 176<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span></caption> 177<tr> 178<th class="colFirst" scope="col">Modifier and Type</th> 179<th class="colLast" scope="col">Method and Description</th> 180</tr> 181<tr id="i0" class="altColor"> 182<td class="colFirst"><code><a href="../../../../com/google/zxing/Result.html" title="class in com.google.zxing">Result</a></code></td> 183<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/google/zxing/oned/Code39Reader.html#decodeRow-int-com.google.zxing.common.BitArray-java.util.Map-">decodeRow</a></span>(int rowNumber, 184 <a href="../../../../com/google/zxing/common/BitArray.html" title="class in com.google.zxing.common">BitArray</a> row, 185 <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="../../../../com/google/zxing/DecodeHintType.html" title="enum in com.google.zxing">DecodeHintType</a>,?> hints)</code> 186<div class="block">Attempts to decode a one-dimensional barcode format given a single row of 187 an image.</div> 188</td> 189</tr> 190</table> 191<ul class="blockList"> 192<li class="blockList"><a name="methods.inherited.from.class.com.google.zxing.oned.OneDReader"> 193<!-- --> 194</a> 195<h3>Methods inherited from class com.google.zxing.oned.<a href="../../../../com/google/zxing/oned/OneDReader.html" title="class in com.google.zxing.oned">OneDReader</a></h3> 196<code><a href="../../../../com/google/zxing/oned/OneDReader.html#decode-com.google.zxing.BinaryBitmap-">decode</a>, <a href="../../../../com/google/zxing/oned/OneDReader.html#decode-com.google.zxing.BinaryBitmap-java.util.Map-">decode</a>, <a href="../../../../com/google/zxing/oned/OneDReader.html#patternMatchVariance-int:A-int:A-float-">patternMatchVariance</a>, <a href="../../../../com/google/zxing/oned/OneDReader.html#recordPattern-com.google.zxing.common.BitArray-int-int:A-">recordPattern</a>, <a href="../../../../com/google/zxing/oned/OneDReader.html#recordPatternInReverse-com.google.zxing.common.BitArray-int-int:A-">recordPatternInReverse</a>, <a href="../../../../com/google/zxing/oned/OneDReader.html#reset--">reset</a></code></li> 197</ul> 198<ul class="blockList"> 199<li class="blockList"><a name="methods.inherited.from.class.java.lang.Object"> 200<!-- --> 201</a> 202<h3>Methods inherited from class java.lang.<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3> 203<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li> 204</ul> 205</li> 206</ul> 207</li> 208</ul> 209</div> 210<div class="details"> 211<ul class="blockList"> 212<li class="blockList"> 213<!-- ========= CONSTRUCTOR DETAIL ======== --> 214<ul class="blockList"> 215<li class="blockList"><a name="constructor.detail"> 216<!-- --> 217</a> 218<h3>Constructor Detail</h3> 219<a name="Code39Reader--"> 220<!-- --> 221</a> 222<ul class="blockList"> 223<li class="blockList"> 224<h4>Code39Reader</h4> 225<pre>public Code39Reader()</pre> 226<div class="block">Creates a reader that assumes all encoded data is data, and does not treat the final 227 character as a check digit. It will not decoded "extended Code 39" sequences.</div> 228</li> 229</ul> 230<a name="Code39Reader-boolean-"> 231<!-- --> 232</a> 233<ul class="blockList"> 234<li class="blockList"> 235<h4>Code39Reader</h4> 236<pre>public Code39Reader(boolean usingCheckDigit)</pre> 237<div class="block">Creates a reader that can be configured to check the last character as a check digit. 238 It will not decoded "extended Code 39" sequences.</div> 239<dl> 240<dt><span class="paramLabel">Parameters:</span></dt> 241<dd><code>usingCheckDigit</code> - if true, treat the last data character as a check digit, not 242 data, and verify that the checksum passes.</dd> 243</dl> 244</li> 245</ul> 246<a name="Code39Reader-boolean-boolean-"> 247<!-- --> 248</a> 249<ul class="blockListLast"> 250<li class="blockList"> 251<h4>Code39Reader</h4> 252<pre>public Code39Reader(boolean usingCheckDigit, 253 boolean extendedMode)</pre> 254<div class="block">Creates a reader that can be configured to check the last character as a check digit, 255 or optionally attempt to decode "extended Code 39" sequences that are used to encode 256 the full ASCII character set.</div> 257<dl> 258<dt><span class="paramLabel">Parameters:</span></dt> 259<dd><code>usingCheckDigit</code> - if true, treat the last data character as a check digit, not 260 data, and verify that the checksum passes.</dd> 261<dd><code>extendedMode</code> - if true, will attempt to decode extended Code 39 sequences in the 262 text.</dd> 263</dl> 264</li> 265</ul> 266</li> 267</ul> 268<!-- ============ METHOD DETAIL ========== --> 269<ul class="blockList"> 270<li class="blockList"><a name="method.detail"> 271<!-- --> 272</a> 273<h3>Method Detail</h3> 274<a name="decodeRow-int-com.google.zxing.common.BitArray-java.util.Map-"> 275<!-- --> 276</a> 277<ul class="blockListLast"> 278<li class="blockList"> 279<h4>decodeRow</h4> 280<pre>public <a href="../../../../com/google/zxing/Result.html" title="class in com.google.zxing">Result</a> decodeRow(int rowNumber, 281 <a href="../../../../com/google/zxing/common/BitArray.html" title="class in com.google.zxing.common">BitArray</a> row, 282 <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="../../../../com/google/zxing/DecodeHintType.html" title="enum in com.google.zxing">DecodeHintType</a>,?> hints) 283 throws <a href="../../../../com/google/zxing/NotFoundException.html" title="class in com.google.zxing">NotFoundException</a>, 284 <a href="../../../../com/google/zxing/ChecksumException.html" title="class in com.google.zxing">ChecksumException</a>, 285 <a href="../../../../com/google/zxing/FormatException.html" title="class in com.google.zxing">FormatException</a></pre> 286<div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../com/google/zxing/oned/OneDReader.html#decodeRow-int-com.google.zxing.common.BitArray-java.util.Map-">OneDReader</a></code></span></div> 287<div class="block"><p>Attempts to decode a one-dimensional barcode format given a single row of 288 an image.</p></div> 289<dl> 290<dt><span class="overrideSpecifyLabel">Specified by:</span></dt> 291<dd><code><a href="../../../../com/google/zxing/oned/OneDReader.html#decodeRow-int-com.google.zxing.common.BitArray-java.util.Map-">decodeRow</a></code> in class <code><a href="../../../../com/google/zxing/oned/OneDReader.html" title="class in com.google.zxing.oned">OneDReader</a></code></dd> 292<dt><span class="paramLabel">Parameters:</span></dt> 293<dd><code>rowNumber</code> - row number from top of the row</dd> 294<dd><code>row</code> - the black/white pixel data of the row</dd> 295<dd><code>hints</code> - decode hints</dd> 296<dt><span class="returnLabel">Returns:</span></dt> 297<dd><a href="../../../../com/google/zxing/Result.html" title="class in com.google.zxing"><code>Result</code></a> containing encoded string and start/end of barcode</dd> 298<dt><span class="throwsLabel">Throws:</span></dt> 299<dd><code><a href="../../../../com/google/zxing/NotFoundException.html" title="class in com.google.zxing">NotFoundException</a></code> - if no potential barcode is found</dd> 300<dd><code><a href="../../../../com/google/zxing/ChecksumException.html" title="class in com.google.zxing">ChecksumException</a></code> - if a potential barcode is found but does not pass its checksum</dd> 301<dd><code><a href="../../../../com/google/zxing/FormatException.html" title="class in com.google.zxing">FormatException</a></code> - if a potential barcode is found but format is invalid</dd> 302</dl> 303</li> 304</ul> 305</li> 306</ul> 307</li> 308</ul> 309</div> 310</div> 311<!-- ========= END OF CLASS DATA ========= --> 312<!-- ======= START OF BOTTOM NAVBAR ====== --> 313<div class="bottomNav"><a name="navbar.bottom"> 314<!-- --> 315</a> 316<div class="skipNav"><a href="#skip.navbar.bottom" title="Skip navigation links">Skip navigation links</a></div> 317<a name="navbar.bottom.firstrow"> 318<!-- --> 319</a> 320<ul class="navList" title="Navigation"> 321<li><a href="../../../../overview-summary.html">Overview</a></li> 322<li><a href="package-summary.html">Package</a></li> 323<li class="navBarCell1Rev">Class</li> 324<li><a href="class-use/Code39Reader.html">Use</a></li> 325<li><a href="package-tree.html">Tree</a></li> 326<li><a href="../../../../deprecated-list.html">Deprecated</a></li> 327<li><a href="../../../../index-all.html">Index</a></li> 328<li><a href="../../../../help-doc.html">Help</a></li> 329</ul> 330</div> 331<div class="subNav"> 332<ul class="navList"> 333<li><a href="../../../../com/google/zxing/oned/Code128Writer.html" title="class in com.google.zxing.oned"><span class="typeNameLink">Prev Class</span></a></li> 334<li><a href="../../../../com/google/zxing/oned/Code39Writer.html" title="class in com.google.zxing.oned"><span class="typeNameLink">Next Class</span></a></li> 335</ul> 336<ul class="navList"> 337<li><a href="../../../../index.html?com/google/zxing/oned/Code39Reader.html" target="_top">Frames</a></li> 338<li><a href="Code39Reader.html" target="_top">No Frames</a></li> 339</ul> 340<ul class="navList" id="allclasses_navbar_bottom"> 341<li><a href="../../../../allclasses-noframe.html">All Classes</a></li> 342</ul> 343<div> 344<script type="text/javascript"><!-- 345 allClassesLink = document.getElementById("allclasses_navbar_bottom"); 346 if(window==top) { 347 allClassesLink.style.display = "block"; 348 } 349 else { 350 allClassesLink.style.display = "none"; 351 } 352 //--> 353</script> 354</div> 355<div> 356<ul class="subNavList"> 357<li>Summary: </li> 358<li>Nested | </li> 359<li>Field | </li> 360<li><a href="#constructor.summary">Constr</a> | </li> 361<li><a href="#method.summary">Method</a></li> 362</ul> 363<ul class="subNavList"> 364<li>Detail: </li> 365<li>Field | </li> 366<li><a href="#constructor.detail">Constr</a> | </li> 367<li><a href="#method.detail">Method</a></li> 368</ul> 369</div> 370<a name="skip.navbar.bottom"> 371<!-- --> 372</a></div> 373<!-- ======== END OF BOTTOM NAVBAR ======= --> 374<p class="legalCopy"><small>Copyright © 2007–2022. 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