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chillerlan-QRCode-Detector-FinderPatternFinder.html

chillerlan-QRCode-Detector-FinderPatternFinder.html 87 KB
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  28.     <h1 class="phpdocumentor-title"><a href="" class="phpdocumentor-title__link">Documentation</a></h1>
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    46. 

  46.                         <li class="phpdocumentor-topnav__menu-item -menu">
    47. 

  47.                 <a href="https://php-qrcode.readthedocs.io">
    48. 

  48.                     <span>
    49. 

  49.                                                                         User Manual
    50. 

  50.                     </span>
    51. 

  51.                 </a>
    52. 

  52.             </li>
    53. 

  53.                                 <li class="phpdocumentor-topnav__menu-item -social">
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  54.                 <a href="https://github.com/chillerlan/php-qrcode">
    55. 

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  56.                                                                         <i class="fab fa-github"></i>
    57. 

  57.                                                 
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    61. 

  61.                     <li class="phpdocumentor-topnav__menu-item -social">
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  64.                                                                         <i class="fas fa-envelope-open-text"></i>
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    81. 

  81.             <h2 class="phpdocumentor-sidebar__category-header">Namespaces</h2>
    82. 

  82.                                     <h4 class="phpdocumentor-sidebar__root-namespace">
    83. 

  83.     <a href="namespaces/chillerlan.html" class="">chillerlan</a>
    84. 

  84. </h4>
    85. 

  85.     <ul class="phpdocumentor-list">
    86. 

  86.                     <li>
    87. 

  87.                 <a href="namespaces/chillerlan-qrcode.html" class="">QRCode</a>
    88. 

  88.                 
    89. 

  89.             </li>
    90. 

  90.                     <li>
    91. 

  91.                 <a href="namespaces/chillerlan-qrcodetest.html" class="">QRCodeTest</a>
    92. 

  92.                 
    93. 

  93.             </li>
    94. 

  94.             </ul>
    95. 

  95. 

  96.                                     <h4 class="phpdocumentor-sidebar__root-namespace">
    97. 

  97.     <a href="namespaces/output.html" class="">Output</a>
    98. 

  98. </h4>
    99. 

  99. 

  100.                         </section>
    101. 

  101.                 <section class="phpdocumentor-sidebar__category -packages">
    102. 

  102.             <h2 class="phpdocumentor-sidebar__category-header">Packages</h2>
    103. 

  103.                                     <h4 class="phpdocumentor-sidebar__root-namespace">
    104. 

  104.     <a href="packages/Application.html" class="">Application</a>
    105. 

  105. </h4>
    106. 

  106. 

  107.                         </section>
    108. 

  108.             
    109. 

  109.     <section class="phpdocumentor-sidebar__category -reports">
    110. 

  110.         <h2 class="phpdocumentor-sidebar__category-header">Reports</h2>
    111. 

  111.                 <h3 class="phpdocumentor-sidebar__root-package"><a href="reports/deprecated.html">Deprecated</a></h3>
    112. 

  112.         <h3 class="phpdocumentor-sidebar__root-package"><a href="reports/errors.html">Errors</a></h3>
    113. 

  113.         <h3 class="phpdocumentor-sidebar__root-package"><a href="reports/markers.html">Markers</a></h3>
    114. 

  114.     </section>
    115. 

  115. 

  116.     <section class="phpdocumentor-sidebar__category -indices">
    117. 

  117.         <h2 class="phpdocumentor-sidebar__category-header">Indices</h2>
    118. 

  118.         <h3 class="phpdocumentor-sidebar__root-package"><a href="indices/files.html">Files</a></h3>
    119. 

  119.     </section>
    120. 

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    121. 

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    123. 

  123.                                 <section>
    124. 

  124.                                         <ul class="phpdocumentor-breadcrumbs">
    125. 

  125.             <li class="phpdocumentor-breadcrumb"><a href="namespaces/chillerlan.html">chillerlan</a></li>
    126. 

  126.             <li class="phpdocumentor-breadcrumb"><a href="namespaces/chillerlan-qrcode.html">QRCode</a></li>
    127. 

  127.             <li class="phpdocumentor-breadcrumb"><a href="namespaces/chillerlan-qrcode-detector.html">Detector</a></li>
    128. 

  128.     </ul>
    129. 

  129. 

  130.     <article class="phpdocumentor-element -class">
    131. 

  131.         <h2 class="phpdocumentor-content__title">
    132. 

  132.     FinderPatternFinder
    133. 

  133. 

  134.     
    135. 

  135.             <div class="phpdocumentor-element__package">
    136. 

  136.             in package
    137. 

  137.             <ul class="phpdocumentor-breadcrumbs">
    138. 

  138.                                     <li class="phpdocumentor-breadcrumb"><a href="packages/Application.html">Application</a></li>
    139. 

  139.                             </ul>
    140. 

  140.         </div>
    141. 

  141.     
    142. 

  142.     
    143. 

  143.     </h2>
    144. 

  144. 

  145. <div class="phpdocumentor-label-line">
    146. 

  146. 

  147.     <div class="phpdocumentor-label phpdocumentor-label--success"><span>Final</span><span>Yes</span></div>
    148. 

  148. 

  149. 

  150. </div>
    151. 

  151. 

  152.         <aside class="phpdocumentor-element-found-in">
    153. 

  153.     <abbr class="phpdocumentor-element-found-in__file" title="src/Detector/FinderPatternFinder.php"><a href="files/src-detector-finderpatternfinder.html"><abbr title="src/Detector/FinderPatternFinder.php">FinderPatternFinder.php</abbr></a></abbr>
    154. 

  154.     :
    155. 

  155.     <span class="phpdocumentor-element-found-in__line">28</span>
    156. 

  156. 

  157.     </aside>
    158. 

  158. 

  159.             <p class="phpdocumentor-summary">This class attempts to find finder patterns in a QR Code. Finder patterns are the square
    160. 

  160. markers at three corners of a QR Code.</p>
    161. 

  161. 

  162.     <section class="phpdocumentor-description"><p>This class is thread-safe but not reentrant. Each thread must allocate its own object.</p>
    163. 

  163. </section>
    164. 

  164. 

  165. 

  166.     <h5 class="phpdocumentor-tag-list__heading" id="tags">
    167. 

  167.         Tags
    168. 

  168.         <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#tags" class="headerlink"><i class="fas fa-link"></i></a>
    169. 

  169. 

  170.     </h5>
    171. 

  171.     <dl class="phpdocumentor-tag-list">
    172. 

  172.                                     <dt class="phpdocumentor-tag-list__entry">
    173. 

  173.                     <span class="phpdocumentor-tag__name">author</span>
    174. 

  174.                 </dt>
    175. 

  175.                 <dd class="phpdocumentor-tag-list__definition">
    176. 

  176.                                                                                 
    177. 

  177.                                                  <section class="phpdocumentor-description"><p>Sean Owen</p>
    178. 

  178. </section>
    179. 

  179. 

  180.                                     </dd>
    181. 

  181.                                             </dl>
    182. 

  182. 

  183. 

  184. 

  185. 

  186. 

  187. <h3 id="toc">
    188. 

  188.     Table of Contents
    189. 

  189.     <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#toc" class="headerlink"><i class="fas fa-link"></i></a>
    190. 

  190. 

  191. </h3>
    192. 

  192. 

  193. 

  194. 

  195. 

  196. 

  197. 

  198. 

  199. <h4 id="toc-constants">
    200. 

  200.     Constants
    201. 

  201.     <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#toc-constants" class="headerlink"><i class="fas fa-link"></i></a>
    202. 

  202. 

  203. </h4>
    204. 

  204. <dl class="phpdocumentor-table-of-contents">
    205. 

  205.             <dt class="phpdocumentor-table-of-contents__entry -constant -private">
    206. 

  206.     <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#constant_CENTER_QUORUM">CENTER_QUORUM</a>
    207. 

  207.     <span>
    208. 

  208.         &nbsp;= 2                            </span>
    209. 

  209. </dt>
    210. 

  210. 

  211.             <dt class="phpdocumentor-table-of-contents__entry -constant -private">
    212. 

  212.     <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#constant_MAX_MODULES">MAX_MODULES</a>
    213. 

  213.     <span>
    214. 

  214.         &nbsp;= 177                            </span>
    215. 

  215. </dt>
    216. 

  216. 

  217.             <dt class="phpdocumentor-table-of-contents__entry -constant -private">
    218. 

  218.     <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#constant_MIN_SKIP">MIN_SKIP</a>
    219. 

  219.     <span>
    220. 

  220.         &nbsp;= 2                            </span>
    221. 

  221. </dt>
    222. 

  222. 

  223.     </dl>
    224. 

  224. 

  225. 

  226. <h4 id="toc-properties">
    227. 

  227.     Properties
    228. 

  228.     <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#toc-properties" class="headerlink"><i class="fas fa-link"></i></a>
    229. 

  229. 

  230. </h4>
    231. 

  231. <dl class="phpdocumentor-table-of-contents">
    232. 

  232.             <dt class="phpdocumentor-table-of-contents__entry -property -private">
    233. 

  233.     <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#property_hasSkipped">$hasSkipped</a>
    234. 

  234.     <span>
    235. 

  235.                         &nbsp;: bool            </span>
    236. 

  236. </dt>
    237. 

  237. 

  238.             <dt class="phpdocumentor-table-of-contents__entry -property -private">
    239. 

  239.     <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#property_matrix">$matrix</a>
    240. 

  240.     <span>
    241. 

  241.                         &nbsp;: <a href="classes/chillerlan-QRCode-Decoder-BitMatrix.html"><abbr title="\chillerlan\QRCode\Decoder\BitMatrix">BitMatrix</abbr></a>            </span>
    242. 

  242. </dt>
    243. 

  243. 

  244.             <dt class="phpdocumentor-table-of-contents__entry -property -private">
    245. 

  245.     <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#property_possibleCenters">$possibleCenters</a>
    246. 

  246.     <span>
    247. 

  247.                         &nbsp;: array&lt;string|int, <a href="classes/chillerlan-QRCode-Detector-FinderPattern.html"><abbr title="\chillerlan\QRCode\Detector\FinderPattern">FinderPattern</abbr></a>&gt;            </span>
    248. 

  248. </dt>
    249. 

  249. 

  250.     </dl>
    251. 

  251. 

  252. <h4 id="toc-methods">
    253. 

  253.     Methods
    254. 

  254.     <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#toc-methods" class="headerlink"><i class="fas fa-link"></i></a>
    255. 

  255. 

  256. </h4>
    257. 

  257. <dl class="phpdocumentor-table-of-contents">
    258. 

  258.             <dt class="phpdocumentor-table-of-contents__entry -method -public">
    259. 

  259.     <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method___construct">__construct()</a>
    260. 

  260.     <span>
    261. 

  261.                                 &nbsp;: mixed    </span>
    262. 

  262. </dt>
    263. 

  263. <dd>Creates a finder that will search the image for three finder patterns.</dd>
    264. 

  264. 

  265.             <dt class="phpdocumentor-table-of-contents__entry -method -public">
    266. 

  266.     <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_find">find()</a>
    267. 

  267.     <span>
    268. 

  268.                                 &nbsp;: array&lt;string|int, <a href="classes/chillerlan-QRCode-Detector-FinderPattern.html"><abbr title="\chillerlan\QRCode\Detector\FinderPattern">FinderPattern</abbr></a>&gt;    </span>
    269. 

  269. </dt>
    270. 

  270. 

  271.             <dt class="phpdocumentor-table-of-contents__entry -method -private">
    272. 

  272.     <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_centerFromEnd">centerFromEnd()</a>
    273. 

  273.     <span>
    274. 

  274.                                 &nbsp;: float    </span>
    275. 

  275. </dt>
    276. 

  276. <dd>Given a count of black/white/black/white/black pixels just seen and an end position,
    277. 

  277. figures the location of the center of this run.</dd>
    278. 

  278. 

  279.             <dt class="phpdocumentor-table-of-contents__entry -method -private">
    280. 

  280.     <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_crossCheckDiagonal">crossCheckDiagonal()</a>
    281. 

  281.     <span>
    282. 

  282.                                 &nbsp;: bool    </span>
    283. 

  283. </dt>
    284. 

  284. <dd>After a vertical and horizontal scan finds a potential finder pattern, this method
    285. 

  285. &quot;cross-cross-cross-checks&quot; by scanning down diagonally through the center of the possible
    286. 

  286. finder pattern to see if the same proportion is detected.</dd>
    287. 

  287. 

  288.             <dt class="phpdocumentor-table-of-contents__entry -method -private">
    289. 

  289.     <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_crossCheckHorizontal">crossCheckHorizontal()</a>
    290. 

  290.     <span>
    291. 

  291.                                 &nbsp;: float|null    </span>
    292. 

  292. </dt>
    293. 

  293. <dd>Like #crossCheckVertical(int, int, int, int), and in fact is basically identical,
    294. 

  294. except it reads horizontally instead of vertically. This is used to cross-cross
    295. 

  295. check a vertical cross-check and locate the real center of the alignment pattern.</dd>
    296. 

  296. 

  297.             <dt class="phpdocumentor-table-of-contents__entry -method -private">
    298. 

  298.     <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_crossCheckVertical">crossCheckVertical()</a>
    299. 

  299.     <span>
    300. 

  300.                                 &nbsp;: float|null    </span>
    301. 

  301. </dt>
    302. 

  302. <dd>After a horizontal scan finds a potential finder pattern, this method
    303. 

  303. &quot;cross-checks&quot; by scanning down vertically through the center of the possible
    304. 

  304. finder pattern to see if the same proportion is detected.</dd>
    305. 

  305. 

  306.             <dt class="phpdocumentor-table-of-contents__entry -method -private">
    307. 

  307.     <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_crossProductZ">crossProductZ()</a>
    308. 

  308.     <span>
    309. 

  309.                                 &nbsp;: float    </span>
    310. 

  310. </dt>
    311. 

  311. <dd>Returns the z component of the cross product between vectors BC and BA.</dd>
    312. 

  312. 

  313.             <dt class="phpdocumentor-table-of-contents__entry -method -private">
    314. 

  314.     <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_doShiftCounts2">doShiftCounts2()</a>
    315. 

  315.     <span>
    316. 

  316.                                 &nbsp;: array&lt;string|int, int&gt;    </span>
    317. 

  317. </dt>
    318. 

  318. 

  319.             <dt class="phpdocumentor-table-of-contents__entry -method -private">
    320. 

  320.     <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_findRowSkip">findRowSkip()</a>
    321. 

  321.     <span>
    322. 

  322.                                 &nbsp;: int    </span>
    323. 

  323. </dt>
    324. 

  324. 

  325.             <dt class="phpdocumentor-table-of-contents__entry -method -private">
    326. 

  326.     <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_foundPatternCross">foundPatternCross()</a>
    327. 

  327.     <span>
    328. 

  328.                                 &nbsp;: bool    </span>
    329. 

  329. </dt>
    330. 

  330. 

  331.             <dt class="phpdocumentor-table-of-contents__entry -method -private">
    332. 

  332.     <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_foundPatternDiagonal">foundPatternDiagonal()</a>
    333. 

  333.     <span>
    334. 

  334.                                 &nbsp;: bool    </span>
    335. 

  335. </dt>
    336. 

  336. 

  337.             <dt class="phpdocumentor-table-of-contents__entry -method -private">
    338. 

  338.     <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_foundPatternVariance">foundPatternVariance()</a>
    339. 

  339.     <span>
    340. 

  340.                                 &nbsp;: bool    </span>
    341. 

  341. </dt>
    342. 

  342. 

  343.             <dt class="phpdocumentor-table-of-contents__entry -method -private">
    344. 

  344.     <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_getCrossCheckStateCount">getCrossCheckStateCount()</a>
    345. 

  345.     <span>
    346. 

  346.                                 &nbsp;: array&lt;string|int, int&gt;    </span>
    347. 

  347. </dt>
    348. 

  348. 

  349.             <dt class="phpdocumentor-table-of-contents__entry -method -private">
    350. 

  350.     <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_handlePossibleCenter">handlePossibleCenter()</a>
    351. 

  351.     <span>
    352. 

  352.                                 &nbsp;: bool    </span>
    353. 

  353. </dt>
    354. 

  354. <dd>This is called when a horizontal scan finds a possible alignment pattern. It will
    355. 

  355. cross-check with a vertical scan, and if successful, will, ah, cross-cross-check
    356. 

  356. with another horizontal scan. This is needed primarily to locate the real horizontal
    357. 

  357. center of the pattern in cases of extreme skew.</dd>
    358. 

  358. 

  359.             <dt class="phpdocumentor-table-of-contents__entry -method -private">
    360. 

  360.     <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_haveMultiplyConfirmedCenters">haveMultiplyConfirmedCenters()</a>
    361. 

  361.     <span>
    362. 

  362.                                 &nbsp;: bool    </span>
    363. 

  363. </dt>
    364. 

  364. 

  365.             <dt class="phpdocumentor-table-of-contents__entry -method -private">
    366. 

  366.     <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_orderBestPatterns">orderBestPatterns()</a>
    367. 

  367.     <span>
    368. 

  368.                                 &nbsp;: array&lt;string|int, <a href="classes/chillerlan-QRCode-Detector-FinderPattern.html"><abbr title="\chillerlan\QRCode\Detector\FinderPattern">FinderPattern</abbr></a>&gt;    </span>
    369. 

  369. </dt>
    370. 

  370. <dd>Orders an array of three ResultPoints in an order [A,B,C] such that AB is less than AC
    371. 

  371. and BC is less than AC, and the angle between BC and BA is less than 180 degrees.</dd>
    372. 

  372. 

  373.             <dt class="phpdocumentor-table-of-contents__entry -method -private">
    374. 

  374.     <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_selectBestPatterns">selectBestPatterns()</a>
    375. 

  375.     <span>
    376. 

  376.                                 &nbsp;: array&lt;string|int, <a href="classes/chillerlan-QRCode-Detector-FinderPattern.html"><abbr title="\chillerlan\QRCode\Detector\FinderPattern">FinderPattern</abbr></a>&gt;    </span>
    377. 

  377. </dt>
    378. 

  378. 

  379.     </dl>
    380. 

  380. 

  381. 

  382. 

  383.         
    384. 

  384.     <section class="phpdocumentor-constants">
    385. 

  385.         <h3 class="phpdocumentor-elements__header" id="constants">
    386. 

  386.             Constants
    387. 

  387.             <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#constants" class="headerlink"><i class="fas fa-link"></i></a>
    388. 

  388. 

  389.         </h3>
    390. 

  390.                     <article class="phpdocumentor-element -constant -private ">
    391. 

  391.     <h4 class="phpdocumentor-element__name" id="constant_CENTER_QUORUM">
    392. 

  392.         CENTER_QUORUM
    393. 

  393.         <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#constant_CENTER_QUORUM" class="headerlink"><i class="fas fa-link"></i></a>
    394. 

  394. 

  395.     </h4>
    396. 

  396. 

  397.     <aside class="phpdocumentor-element-found-in">
    398. 

  398.     <abbr class="phpdocumentor-element-found-in__file" title="src/Detector/FinderPatternFinder.php"><a href="files/src-detector-finderpatternfinder.html"><abbr title="src/Detector/FinderPatternFinder.php">FinderPatternFinder.php</abbr></a></abbr>
    399. 

  399.     :
    400. 

  400.     <span class="phpdocumentor-element-found-in__line">32</span>
    401. 

  401. 

  402.     </aside>
    403. 

  403. 

  404.     
    405. 

  405.     <code class="phpdocumentor-signature phpdocumentor-code ">
    406. 

  406.     <span class="phpdocumentor-signature__visibility">private</span>
    407. 

  407.         <span class="phpdocumentor-signature__type">mixed</span>
    408. 

  408.     <span class="phpdocumentor-signature__name">CENTER_QUORUM</span>
    409. 

  409.     = <span class="phpdocumentor-signature__default-value">2</span>
    410. 

  410. </code>
    411. 

  411. 

  412. 

  413.     
    414. 

  414.     
    415. 

  415.     
    416. 

  416. 

  417.     
    418. 

  418. 

  419. </article>
    420. 

  420.                     <article class="phpdocumentor-element -constant -private ">
    421. 

  421.     <h4 class="phpdocumentor-element__name" id="constant_MAX_MODULES">
    422. 

  422.         MAX_MODULES
    423. 

  423.         <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#constant_MAX_MODULES" class="headerlink"><i class="fas fa-link"></i></a>
    424. 

  424. 

  425.     </h4>
    426. 

  426. 

  427.     <aside class="phpdocumentor-element-found-in">
    428. 

  428.     <abbr class="phpdocumentor-element-found-in__file" title="src/Detector/FinderPatternFinder.php"><a href="files/src-detector-finderpatternfinder.html"><abbr title="src/Detector/FinderPatternFinder.php">FinderPatternFinder.php</abbr></a></abbr>
    429. 

  429.     :
    430. 

  430.     <span class="phpdocumentor-element-found-in__line">31</span>
    431. 

  431. 

  432.     </aside>
    433. 

  433. 

  434.     
    435. 

  435.     <code class="phpdocumentor-signature phpdocumentor-code ">
    436. 

  436.     <span class="phpdocumentor-signature__visibility">private</span>
    437. 

  437.         <span class="phpdocumentor-signature__type">mixed</span>
    438. 

  438.     <span class="phpdocumentor-signature__name">MAX_MODULES</span>
    439. 

  439.     = <span class="phpdocumentor-signature__default-value">177</span>
    440. 

  440. </code>
    441. 

  441. 

  442. 

  443.     
    444. 

  444.     
    445. 

  445.     
    446. 

  446. 

  447.     
    448. 

  448. 

  449. </article>
    450. 

  450.                     <article class="phpdocumentor-element -constant -private ">
    451. 

  451.     <h4 class="phpdocumentor-element__name" id="constant_MIN_SKIP">
    452. 

  452.         MIN_SKIP
    453. 

  453.         <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#constant_MIN_SKIP" class="headerlink"><i class="fas fa-link"></i></a>
    454. 

  454. 

  455.     </h4>
    456. 

  456. 

  457.     <aside class="phpdocumentor-element-found-in">
    458. 

  458.     <abbr class="phpdocumentor-element-found-in__file" title="src/Detector/FinderPatternFinder.php"><a href="files/src-detector-finderpatternfinder.html"><abbr title="src/Detector/FinderPatternFinder.php">FinderPatternFinder.php</abbr></a></abbr>
    459. 

  459.     :
    460. 

  460.     <span class="phpdocumentor-element-found-in__line">30</span>
    461. 

  461. 

  462.     </aside>
    463. 

  463. 

  464.     
    465. 

  465.     <code class="phpdocumentor-signature phpdocumentor-code ">
    466. 

  466.     <span class="phpdocumentor-signature__visibility">private</span>
    467. 

  467.         <span class="phpdocumentor-signature__type">mixed</span>
    468. 

  468.     <span class="phpdocumentor-signature__name">MIN_SKIP</span>
    469. 

  469.     = <span class="phpdocumentor-signature__default-value">2</span>
    470. 

  470. </code>
    471. 

  471. 

  472. 

  473.     
    474. 

  474.     
    475. 

  475.     
    476. 

  476. 

  477.     
    478. 

  478. 

  479. </article>
    480. 

  480.             </section>
    481. 

  481. 

  482.         
    483. 

  483.     <section class="phpdocumentor-properties">
    484. 

  484.         <h3 class="phpdocumentor-elements__header" id="properties">
    485. 

  485.             Properties
    486. 

  486.             <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#properties" class="headerlink"><i class="fas fa-link"></i></a>
    487. 

  487. 

  488.         </h3>
    489. 

  489.                     <article
    490. 

  490.         class="
    491. 

  491.             phpdocumentor-element
    492. 

  492.             -property
    493. 

  493.             -private
    494. 

  494.                                                         "
    495. 

  495. >
    496. 

  496.     <h4 class="phpdocumentor-element__name" id="property_hasSkipped">
    497. 

  497.         $hasSkipped
    498. 

  498.         <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#property_hasSkipped" class="headerlink"><i class="fas fa-link"></i></a>
    499. 

  499. 

  500.         <span class="phpdocumentor-element__modifiers">
    501. 

  501.                                 </span>
    502. 

  502.     </h4>
    503. 

  503.     <aside class="phpdocumentor-element-found-in">
    504. 

  504.     <abbr class="phpdocumentor-element-found-in__file" title="src/Detector/FinderPatternFinder.php"><a href="files/src-detector-finderpatternfinder.html"><abbr title="src/Detector/FinderPatternFinder.php">FinderPatternFinder.php</abbr></a></abbr>
    505. 

  505.     :
    506. 

  506.     <span class="phpdocumentor-element-found-in__line">36</span>
    507. 

  507. 

  508.     </aside>
    509. 

  509. 

  510.     
    511. 

  511.     <code class="phpdocumentor-code phpdocumentor-signature ">
    512. 

  512.     <span class="phpdocumentor-signature__visibility">private</span>
    513. 

  513.         <span class="phpdocumentor-signature__type">bool</span>
    514. 

  514.     <span class="phpdocumentor-signature__name">$hasSkipped</span>
    515. 

  515.      = <span class="phpdocumentor-signature__default-value">false</span></code>
    516. 

  516. 

  517.     
    518. 

  518.     
    519. 

  519.     
    520. 

  520. 

  521.     
    522. 

  522. 

  523. </article>
    524. 

  524.                     <article
    525. 

  525.         class="
    526. 

  526.             phpdocumentor-element
    527. 

  527.             -property
    528. 

  528.             -private
    529. 

  529.                                                         "
    530. 

  530. >
    531. 

  531.     <h4 class="phpdocumentor-element__name" id="property_matrix">
    532. 

  532.         $matrix
    533. 

  533.         <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#property_matrix" class="headerlink"><i class="fas fa-link"></i></a>
    534. 

  534. 

  535.         <span class="phpdocumentor-element__modifiers">
    536. 

  536.                                 </span>
    537. 

  537.     </h4>
    538. 

  538.     <aside class="phpdocumentor-element-found-in">
    539. 

  539.     <abbr class="phpdocumentor-element-found-in__file" title="src/Detector/FinderPatternFinder.php"><a href="files/src-detector-finderpatternfinder.html"><abbr title="src/Detector/FinderPatternFinder.php">FinderPatternFinder.php</abbr></a></abbr>
    540. 

  540.     :
    541. 

  541.     <span class="phpdocumentor-element-found-in__line">33</span>
    542. 

  542. 

  543.     </aside>
    544. 

  544. 

  545.     
    546. 

  546.     <code class="phpdocumentor-code phpdocumentor-signature ">
    547. 

  547.     <span class="phpdocumentor-signature__visibility">private</span>
    548. 

  548.         <span class="phpdocumentor-signature__type"><a href="classes/chillerlan-QRCode-Decoder-BitMatrix.html"><abbr title="\chillerlan\QRCode\Decoder\BitMatrix">BitMatrix</abbr></a></span>
    549. 

  549.     <span class="phpdocumentor-signature__name">$matrix</span>
    550. 

  550.     </code>
    551. 

  551. 

  552.     
    553. 

  553.     
    554. 

  554.     
    555. 

  555. 

  556.     
    557. 

  557. 

  558. </article>
    559. 

  559.                     <article
    560. 

  560.         class="
    561. 

  561.             phpdocumentor-element
    562. 

  562.             -property
    563. 

  563.             -private
    564. 

  564.                                                         "
    565. 

  565. >
    566. 

  566.     <h4 class="phpdocumentor-element__name" id="property_possibleCenters">
    567. 

  567.         $possibleCenters
    568. 

  568.         <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#property_possibleCenters" class="headerlink"><i class="fas fa-link"></i></a>
    569. 

  569. 

  570.         <span class="phpdocumentor-element__modifiers">
    571. 

  571.                                 </span>
    572. 

  572.     </h4>
    573. 

  573.     <aside class="phpdocumentor-element-found-in">
    574. 

  574.     <abbr class="phpdocumentor-element-found-in__file" title="src/Detector/FinderPatternFinder.php"><a href="files/src-detector-finderpatternfinder.html"><abbr title="src/Detector/FinderPatternFinder.php">FinderPatternFinder.php</abbr></a></abbr>
    575. 

  575.     :
    576. 

  576.     <span class="phpdocumentor-element-found-in__line">35</span>
    577. 

  577. 

  578.     </aside>
    579. 

  579. 

  580.     
    581. 

  581.     <code class="phpdocumentor-code phpdocumentor-signature ">
    582. 

  582.     <span class="phpdocumentor-signature__visibility">private</span>
    583. 

  583.         <span class="phpdocumentor-signature__type">array&lt;string|int, <a href="classes/chillerlan-QRCode-Detector-FinderPattern.html"><abbr title="\chillerlan\QRCode\Detector\FinderPattern">FinderPattern</abbr></a>&gt;</span>
    584. 

  584.     <span class="phpdocumentor-signature__name">$possibleCenters</span>
    585. 

  585.     </code>
    586. 

  586. 

  587.     
    588. 

  588.     
    589. 

  589.     
    590. 

  590. 

  591.     
    592. 

  592. 

  593. </article>
    594. 

  594.             </section>
    595. 

  595. 

  596.             <section class="phpdocumentor-methods">
    597. 

  597.         <h3 class="phpdocumentor-elements__header" id="methods">
    598. 

  598.             Methods
    599. 

  599.             <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#methods" class="headerlink"><i class="fas fa-link"></i></a>
    600. 

  600. 

  601.         </h3>
    602. 

  602.                     <article
    603. 

  603.         class="phpdocumentor-element
    604. 

  604.             -method
    605. 

  605.             -public
    606. 

  606.                                                         "
    607. 

  607. >
    608. 

  608.     <h4 class="phpdocumentor-element__name" id="method___construct">
    609. 

  609.         __construct()
    610. 

  610.         <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method___construct" class="headerlink"><i class="fas fa-link"></i></a>
    611. 

  611. 

  612.     </h4>
    613. 

  613.     <aside class="phpdocumentor-element-found-in">
    614. 

  614.     <abbr class="phpdocumentor-element-found-in__file" title="src/Detector/FinderPatternFinder.php"><a href="files/src-detector-finderpatternfinder.html"><abbr title="src/Detector/FinderPatternFinder.php">FinderPatternFinder.php</abbr></a></abbr>
    615. 

  615.     :
    616. 

  616.     <span class="phpdocumentor-element-found-in__line">43</span>
    617. 

  617. 

  618.     </aside>
    619. 

  619. 

  620.         <p class="phpdocumentor-summary">Creates a finder that will search the image for three finder patterns.</p>
    621. 

  621. 

  622.     <code class="phpdocumentor-code phpdocumentor-signature ">
    623. 

  623.     <span class="phpdocumentor-signature__visibility">public</span>
    624. 

  624.                     <span class="phpdocumentor-signature__name">__construct</span><span>(</span><span class="phpdocumentor-signature__argument"><span class="phpdocumentor-signature__argument__return-type"><a href="classes/chillerlan-QRCode-Decoder-BitMatrix.html"><abbr title="\chillerlan\QRCode\Decoder\BitMatrix">BitMatrix</abbr></a>&nbsp;</span><span class="phpdocumentor-signature__argument__name">$matrix</span></span><span>)</span><span> : </span><span class="phpdocumentor-signature__response_type">mixed</span></code>
    625. 

  625. 

  626.     <div class="phpdocumentor-label-line">
    627. 

  627.         </div>
    628. 

  628.     
    629. 

  629.         <h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
    630. 

  630.     <dl class="phpdocumentor-argument-list">
    631. 

  631.                     <dt class="phpdocumentor-argument-list__entry">
    632. 

  632.                 <span class="phpdocumentor-signature__argument__name">$matrix</span>
    633. 

  633.                 : <span class="phpdocumentor-signature__argument__return-type"><a href="classes/chillerlan-QRCode-Decoder-BitMatrix.html"><abbr title="\chillerlan\QRCode\Decoder\BitMatrix">BitMatrix</abbr></a></span>
    634. 

  634.                             </dt>
    635. 

  635.             <dd class="phpdocumentor-argument-list__definition">
    636. 

  636.                     <section class="phpdocumentor-description"><p>image to search</p>
    637. 

  637. </section>
    638. 

  638. 

  639.             </dd>
    640. 

  640.             </dl>
    641. 

  641. 

  642.     
    643. 

  643. 

  644.     
    645. 

  645. 

  646.     
    647. 

  647. </article>
    648. 

  648.                     <article
    649. 

  649.         class="phpdocumentor-element
    650. 

  650.             -method
    651. 

  651.             -public
    652. 

  652.                                                         "
    653. 

  653. >
    654. 

  654.     <h4 class="phpdocumentor-element__name" id="method_find">
    655. 

  655.         find()
    656. 

  656.         <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_find" class="headerlink"><i class="fas fa-link"></i></a>
    657. 

  657. 

  658.     </h4>
    659. 

  659.     <aside class="phpdocumentor-element-found-in">
    660. 

  660.     <abbr class="phpdocumentor-element-found-in__file" title="src/Detector/FinderPatternFinder.php"><a href="files/src-detector-finderpatternfinder.html"><abbr title="src/Detector/FinderPatternFinder.php">FinderPatternFinder.php</abbr></a></abbr>
    661. 

  661.     :
    662. 

  662.     <span class="phpdocumentor-element-found-in__line">51</span>
    663. 

  663. 

  664.     </aside>
    665. 

  665. 

  666.     
    667. 

  667.     <code class="phpdocumentor-code phpdocumentor-signature ">
    668. 

  668.     <span class="phpdocumentor-signature__visibility">public</span>
    669. 

  669.                     <span class="phpdocumentor-signature__name">find</span><span>(</span><span>)</span><span> : </span><span class="phpdocumentor-signature__response_type">array&lt;string|int, <a href="classes/chillerlan-QRCode-Detector-FinderPattern.html"><abbr title="\chillerlan\QRCode\Detector\FinderPattern">FinderPattern</abbr></a>&gt;</span></code>
    670. 

  670. 

  671.     <div class="phpdocumentor-label-line">
    672. 

  672.         </div>
    673. 

  673.     
    674. 

  674.     
    675. 

  675.     
    676. 

  676. 

  677.     
    678. 

  678. 

  679.             <section>
    680. 

  680.         <h5 class="phpdocumentor-return-value__heading">Return values</h5>
    681. 

  681.         <span class="phpdocumentor-signature__response_type">array&lt;string|int, <a href="classes/chillerlan-QRCode-Detector-FinderPattern.html"><abbr title="\chillerlan\QRCode\Detector\FinderPattern">FinderPattern</abbr></a>&gt;</span>
    682. 

  682.             </section>
    683. 

  683. 

  684. </article>
    685. 

  685.                     <article
    686. 

  686.         class="phpdocumentor-element
    687. 

  687.             -method
    688. 

  688.             -private
    689. 

  689.                                                         "
    690. 

  690. >
    691. 

  691.     <h4 class="phpdocumentor-element__name" id="method_centerFromEnd">
    692. 

  692.         centerFromEnd()
    693. 

  693.         <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_centerFromEnd" class="headerlink"><i class="fas fa-link"></i></a>
    694. 

  694. 

  695.     </h4>
    696. 

  696.     <aside class="phpdocumentor-element-found-in">
    697. 

  697.     <abbr class="phpdocumentor-element-found-in__file" title="src/Detector/FinderPatternFinder.php"><a href="files/src-detector-finderpatternfinder.html"><abbr title="src/Detector/FinderPatternFinder.php">FinderPatternFinder.php</abbr></a></abbr>
    698. 

  698.     :
    699. 

  699.     <span class="phpdocumentor-element-found-in__line">190</span>
    700. 

  700. 

  701.     </aside>
    702. 

  702. 

  703.         <p class="phpdocumentor-summary">Given a count of black/white/black/white/black pixels just seen and an end position,
    704. 

  704. figures the location of the center of this run.</p>
    705. 

  705. 

  706.     <code class="phpdocumentor-code phpdocumentor-signature ">
    707. 

  707.     <span class="phpdocumentor-signature__visibility">private</span>
    708. 

  708.                     <span class="phpdocumentor-signature__name">centerFromEnd</span><span>(</span><span class="phpdocumentor-signature__argument"><span class="phpdocumentor-signature__argument__return-type">array&lt;string|int, int&gt;&nbsp;</span><span class="phpdocumentor-signature__argument__name">$stateCount</span></span><span class="phpdocumentor-signature__argument"><span>, </span><span class="phpdocumentor-signature__argument__return-type">int&nbsp;</span><span class="phpdocumentor-signature__argument__name">$end</span></span><span>)</span><span> : </span><span class="phpdocumentor-signature__response_type">float</span></code>
    709. 

  709. 

  710.     <div class="phpdocumentor-label-line">
    711. 

  711.         </div>
    712. 

  712.     
    713. 

  713.         <h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
    714. 

  714.     <dl class="phpdocumentor-argument-list">
    715. 

  715.                     <dt class="phpdocumentor-argument-list__entry">
    716. 

  716.                 <span class="phpdocumentor-signature__argument__name">$stateCount</span>
    717. 

  717.                 : <span class="phpdocumentor-signature__argument__return-type">array&lt;string|int, int&gt;</span>
    718. 

  718.                             </dt>
    719. 

  719.             <dd class="phpdocumentor-argument-list__definition">
    720. 

  720.                 
    721. 

  721.             </dd>
    722. 

  722.                     <dt class="phpdocumentor-argument-list__entry">
    723. 

  723.                 <span class="phpdocumentor-signature__argument__name">$end</span>
    724. 

  724.                 : <span class="phpdocumentor-signature__argument__return-type">int</span>
    725. 

  725.                             </dt>
    726. 

  726.             <dd class="phpdocumentor-argument-list__definition">
    727. 

  727.                 
    728. 

  728.             </dd>
    729. 

  729.             </dl>
    730. 

  730. 

  731.     
    732. 

  732. 

  733.     
    734. 

  734. 

  735.             <section>
    736. 

  736.         <h5 class="phpdocumentor-return-value__heading">Return values</h5>
    737. 

  737.         <span class="phpdocumentor-signature__response_type">float</span>
    738. 

  738.             </section>
    739. 

  739. 

  740. </article>
    741. 

  741.                     <article
    742. 

  742.         class="phpdocumentor-element
    743. 

  743.             -method
    744. 

  744.             -private
    745. 

  745.                                                         "
    746. 

  746. >
    747. 

  747.     <h4 class="phpdocumentor-element__name" id="method_crossCheckDiagonal">
    748. 

  748.         crossCheckDiagonal()
    749. 

  749.         <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_crossCheckDiagonal" class="headerlink"><i class="fas fa-link"></i></a>
    750. 

  750. 

  751.     </h4>
    752. 

  752.     <aside class="phpdocumentor-element-found-in">
    753. 

  753.     <abbr class="phpdocumentor-element-found-in__file" title="src/Detector/FinderPatternFinder.php"><a href="files/src-detector-finderpatternfinder.html"><abbr title="src/Detector/FinderPatternFinder.php">FinderPatternFinder.php</abbr></a></abbr>
    754. 

  754.     :
    755. 

  755.     <span class="phpdocumentor-element-found-in__line">254</span>
    756. 

  756. 

  757.     </aside>
    758. 

  758. 

  759.         <p class="phpdocumentor-summary">After a vertical and horizontal scan finds a potential finder pattern, this method
    760. 

  760. &quot;cross-cross-cross-checks&quot; by scanning down diagonally through the center of the possible
    761. 

  761. finder pattern to see if the same proportion is detected.</p>
    762. 

  762. 

  763.     <code class="phpdocumentor-code phpdocumentor-signature ">
    764. 

  764.     <span class="phpdocumentor-signature__visibility">private</span>
    765. 

  765.                     <span class="phpdocumentor-signature__name">crossCheckDiagonal</span><span>(</span><span class="phpdocumentor-signature__argument"><span class="phpdocumentor-signature__argument__return-type">int&nbsp;</span><span class="phpdocumentor-signature__argument__name">$centerI</span></span><span class="phpdocumentor-signature__argument"><span>, </span><span class="phpdocumentor-signature__argument__return-type">int&nbsp;</span><span class="phpdocumentor-signature__argument__name">$centerJ</span></span><span>)</span><span> : </span><span class="phpdocumentor-signature__response_type">bool</span></code>
    766. 

  766. 

  767.     <div class="phpdocumentor-label-line">
    768. 

  768.         </div>
    769. 

  769.     
    770. 

  770.         <h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
    771. 

  771.     <dl class="phpdocumentor-argument-list">
    772. 

  772.                     <dt class="phpdocumentor-argument-list__entry">
    773. 

  773.                 <span class="phpdocumentor-signature__argument__name">$centerI</span>
    774. 

  774.                 : <span class="phpdocumentor-signature__argument__return-type">int</span>
    775. 

  775.                             </dt>
    776. 

  776.             <dd class="phpdocumentor-argument-list__definition">
    777. 

  777.                     <section class="phpdocumentor-description"><p>row where a finder pattern was detected</p>
    778. 

  778. </section>
    779. 

  779. 

  780.             </dd>
    781. 

  781.                     <dt class="phpdocumentor-argument-list__entry">
    782. 

  782.                 <span class="phpdocumentor-signature__argument__name">$centerJ</span>
    783. 

  783.                 : <span class="phpdocumentor-signature__argument__return-type">int</span>
    784. 

  784.                             </dt>
    785. 

  785.             <dd class="phpdocumentor-argument-list__definition">
    786. 

  786.                     <section class="phpdocumentor-description"><p>center of the section that appears to cross a finder pattern</p>
    787. 

  787. </section>
    788. 

  788. 

  789.             </dd>
    790. 

  790.             </dl>
    791. 

  791. 

  792.     
    793. 

  793. 

  794.     
    795. 

  795. 

  796.             <section>
    797. 

  797.         <h5 class="phpdocumentor-return-value__heading">Return values</h5>
    798. 

  798.         <span class="phpdocumentor-signature__response_type">bool</span>
    799. 

  799.                     &mdash;
    800. 

  800.                 <section class="phpdocumentor-description"><p>true if proportions are withing expected limits</p>
    801. 

  801. </section>
    802. 

  802. 

  803.             </section>
    804. 

  804. 

  805. </article>
    806. 

  806.                     <article
    807. 

  807.         class="phpdocumentor-element
    808. 

  808.             -method
    809. 

  809.             -private
    810. 

  810.                                                         "
    811. 

  811. >
    812. 

  812.     <h4 class="phpdocumentor-element__name" id="method_crossCheckHorizontal">
    813. 

  813.         crossCheckHorizontal()
    814. 

  814.         <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_crossCheckHorizontal" class="headerlink"><i class="fas fa-link"></i></a>
    815. 

  815. 

  816.     </h4>
    817. 

  817.     <aside class="phpdocumentor-element-found-in">
    818. 

  818.     <abbr class="phpdocumentor-element-found-in__file" title="src/Detector/FinderPatternFinder.php"><a href="files/src-detector-finderpatternfinder.html"><abbr title="src/Detector/FinderPatternFinder.php">FinderPatternFinder.php</abbr></a></abbr>
    819. 

  819.     :
    820. 

  820.     <span class="phpdocumentor-element-found-in__line">417</span>
    821. 

  821. 

  822.     </aside>
    823. 

  823. 

  824.         <p class="phpdocumentor-summary">Like #crossCheckVertical(int, int, int, int), and in fact is basically identical,
    825. 

  825. except it reads horizontally instead of vertically. This is used to cross-cross
    826. 

  826. check a vertical cross-check and locate the real center of the alignment pattern.</p>
    827. 

  827. 

  828.     <code class="phpdocumentor-code phpdocumentor-signature ">
    829. 

  829.     <span class="phpdocumentor-signature__visibility">private</span>
    830. 

  830.                     <span class="phpdocumentor-signature__name">crossCheckHorizontal</span><span>(</span><span class="phpdocumentor-signature__argument"><span class="phpdocumentor-signature__argument__return-type">int&nbsp;</span><span class="phpdocumentor-signature__argument__name">$startJ</span></span><span class="phpdocumentor-signature__argument"><span>, </span><span class="phpdocumentor-signature__argument__return-type">int&nbsp;</span><span class="phpdocumentor-signature__argument__name">$centerI</span></span><span class="phpdocumentor-signature__argument"><span>, </span><span class="phpdocumentor-signature__argument__return-type">int&nbsp;</span><span class="phpdocumentor-signature__argument__name">$maxCount</span></span><span class="phpdocumentor-signature__argument"><span>, </span><span class="phpdocumentor-signature__argument__return-type">int&nbsp;</span><span class="phpdocumentor-signature__argument__name">$originalStateCountTotal</span></span><span>)</span><span> : </span><span class="phpdocumentor-signature__response_type">float|null</span></code>
    831. 

  831. 

  832.     <div class="phpdocumentor-label-line">
    833. 

  833.         </div>
    834. 

  834.     
    835. 

  835.         <h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
    836. 

  836.     <dl class="phpdocumentor-argument-list">
    837. 

  837.                     <dt class="phpdocumentor-argument-list__entry">
    838. 

  838.                 <span class="phpdocumentor-signature__argument__name">$startJ</span>
    839. 

  839.                 : <span class="phpdocumentor-signature__argument__return-type">int</span>
    840. 

  840.                             </dt>
    841. 

  841.             <dd class="phpdocumentor-argument-list__definition">
    842. 

  842.                 
    843. 

  843.             </dd>
    844. 

  844.                     <dt class="phpdocumentor-argument-list__entry">
    845. 

  845.                 <span class="phpdocumentor-signature__argument__name">$centerI</span>
    846. 

  846.                 : <span class="phpdocumentor-signature__argument__return-type">int</span>
    847. 

  847.                             </dt>
    848. 

  848.             <dd class="phpdocumentor-argument-list__definition">
    849. 

  849.                 
    850. 

  850.             </dd>
    851. 

  851.                     <dt class="phpdocumentor-argument-list__entry">
    852. 

  852.                 <span class="phpdocumentor-signature__argument__name">$maxCount</span>
    853. 

  853.                 : <span class="phpdocumentor-signature__argument__return-type">int</span>
    854. 

  854.                             </dt>
    855. 

  855.             <dd class="phpdocumentor-argument-list__definition">
    856. 

  856.                 
    857. 

  857.             </dd>
    858. 

  858.                     <dt class="phpdocumentor-argument-list__entry">
    859. 

  859.                 <span class="phpdocumentor-signature__argument__name">$originalStateCountTotal</span>
    860. 

  860.                 : <span class="phpdocumentor-signature__argument__return-type">int</span>
    861. 

  861.                             </dt>
    862. 

  862.             <dd class="phpdocumentor-argument-list__definition">
    863. 

  863.                 
    864. 

  864.             </dd>
    865. 

  865.             </dl>
    866. 

  866. 

  867.     
    868. 

  868.     <h5 class="phpdocumentor-tag-list__heading" id="tags">
    869. 

  869.         Tags
    870. 

  870.         <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_crossCheckHorizontal#tags" class="headerlink"><i class="fas fa-link"></i></a>
    871. 

  871. 

  872.     </h5>
    873. 

  873.     <dl class="phpdocumentor-tag-list">
    874. 

  874.                                     <dt class="phpdocumentor-tag-list__entry">
    875. 

  875.                     <span class="phpdocumentor-tag__name">noinspection</span>
    876. 

  876.                 </dt>
    877. 

  877.                 <dd class="phpdocumentor-tag-list__definition">
    878. 

  878.                                                                                 
    879. 

  879.                                                  <section class="phpdocumentor-description"><p>DuplicatedCode</p>
    880. 

  880. </section>
    881. 

  881. 

  882.                                     </dd>
    883. 

  883.                                             </dl>
    884. 

  884. 

  885.     
    886. 

  886. 

  887.             <section>
    888. 

  888.         <h5 class="phpdocumentor-return-value__heading">Return values</h5>
    889. 

  889.         <span class="phpdocumentor-signature__response_type">float|null</span>
    890. 

  890.             </section>
    891. 

  891. 

  892. </article>
    893. 

  893.                     <article
    894. 

  894.         class="phpdocumentor-element
    895. 

  895.             -method
    896. 

  896.             -private
    897. 

  897.                                                         "
    898. 

  898. >
    899. 

  899.     <h4 class="phpdocumentor-element__name" id="method_crossCheckVertical">
    900. 

  900.         crossCheckVertical()
    901. 

  901.         <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_crossCheckVertical" class="headerlink"><i class="fas fa-link"></i></a>
    902. 

  902. 

  903.     </h4>
    904. 

  904.     <aside class="phpdocumentor-element-found-in">
    905. 

  905.     <abbr class="phpdocumentor-element-found-in__file" title="src/Detector/FinderPatternFinder.php"><a href="files/src-detector-finderpatternfinder.html"><abbr title="src/Detector/FinderPatternFinder.php">FinderPatternFinder.php</abbr></a></abbr>
    906. 

  906.     :
    907. 

  907.     <span class="phpdocumentor-element-found-in__line">333</span>
    908. 

  908. 

  909.     </aside>
    910. 

  910. 

  911.         <p class="phpdocumentor-summary">After a horizontal scan finds a potential finder pattern, this method
    912. 

  912. &quot;cross-checks&quot; by scanning down vertically through the center of the possible
    913. 

  913. finder pattern to see if the same proportion is detected.</p>
    914. 

  914. 

  915.     <code class="phpdocumentor-code phpdocumentor-signature ">
    916. 

  916.     <span class="phpdocumentor-signature__visibility">private</span>
    917. 

  917.                     <span class="phpdocumentor-signature__name">crossCheckVertical</span><span>(</span><span class="phpdocumentor-signature__argument"><span class="phpdocumentor-signature__argument__return-type">int&nbsp;</span><span class="phpdocumentor-signature__argument__name">$startI</span></span><span class="phpdocumentor-signature__argument"><span>, </span><span class="phpdocumentor-signature__argument__return-type">int&nbsp;</span><span class="phpdocumentor-signature__argument__name">$centerJ</span></span><span class="phpdocumentor-signature__argument"><span>, </span><span class="phpdocumentor-signature__argument__return-type">int&nbsp;</span><span class="phpdocumentor-signature__argument__name">$maxCount</span></span><span class="phpdocumentor-signature__argument"><span>, </span><span class="phpdocumentor-signature__argument__return-type">int&nbsp;</span><span class="phpdocumentor-signature__argument__name">$originalStateCountTotal</span></span><span>)</span><span> : </span><span class="phpdocumentor-signature__response_type">float|null</span></code>
    918. 

  918. 

  919.     <div class="phpdocumentor-label-line">
    920. 

  920.         </div>
    921. 

  921.     
    922. 

  922.         <h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
    923. 

  923.     <dl class="phpdocumentor-argument-list">
    924. 

  924.                     <dt class="phpdocumentor-argument-list__entry">
    925. 

  925.                 <span class="phpdocumentor-signature__argument__name">$startI</span>
    926. 

  926.                 : <span class="phpdocumentor-signature__argument__return-type">int</span>
    927. 

  927.                             </dt>
    928. 

  928.             <dd class="phpdocumentor-argument-list__definition">
    929. 

  929.                     <section class="phpdocumentor-description"><p>row where a finder pattern was detected</p>
    930. 

  930. </section>
    931. 

  931. 

  932.             </dd>
    933. 

  933.                     <dt class="phpdocumentor-argument-list__entry">
    934. 

  934.                 <span class="phpdocumentor-signature__argument__name">$centerJ</span>
    935. 

  935.                 : <span class="phpdocumentor-signature__argument__return-type">int</span>
    936. 

  936.                             </dt>
    937. 

  937.             <dd class="phpdocumentor-argument-list__definition">
    938. 

  938.                     <section class="phpdocumentor-description"><p>center of the section that appears to cross a finder pattern</p>
    939. 

  939. </section>
    940. 

  940. 

  941.             </dd>
    942. 

  942.                     <dt class="phpdocumentor-argument-list__entry">
    943. 

  943.                 <span class="phpdocumentor-signature__argument__name">$maxCount</span>
    944. 

  944.                 : <span class="phpdocumentor-signature__argument__return-type">int</span>
    945. 

  945.                             </dt>
    946. 

  946.             <dd class="phpdocumentor-argument-list__definition">
    947. 

  947.                     <section class="phpdocumentor-description"><p>maximum reasonable number of modules that should be
    948. 

  948. observed in any reading state, based on the results of the horizontal scan</p>
    949. 

  949. </section>
    950. 

  950. 

  951.             </dd>
    952. 

  952.                     <dt class="phpdocumentor-argument-list__entry">
    953. 

  953.                 <span class="phpdocumentor-signature__argument__name">$originalStateCountTotal</span>
    954. 

  954.                 : <span class="phpdocumentor-signature__argument__return-type">int</span>
    955. 

  955.                             </dt>
    956. 

  956.             <dd class="phpdocumentor-argument-list__definition">
    957. 

  957.                 
    958. 

  958.             </dd>
    959. 

  959.             </dl>
    960. 

  960. 

  961.     
    962. 

  962.     <h5 class="phpdocumentor-tag-list__heading" id="tags">
    963. 

  963.         Tags
    964. 

  964.         <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_crossCheckVertical#tags" class="headerlink"><i class="fas fa-link"></i></a>
    965. 

  965. 

  966.     </h5>
    967. 

  967.     <dl class="phpdocumentor-tag-list">
    968. 

  968.                                     <dt class="phpdocumentor-tag-list__entry">
    969. 

  969.                     <span class="phpdocumentor-tag__name">noinspection</span>
    970. 

  970.                 </dt>
    971. 

  971.                 <dd class="phpdocumentor-tag-list__definition">
    972. 

  972.                                                                                 
    973. 

  973.                                                  <section class="phpdocumentor-description"><p>DuplicatedCode</p>
    974. 

  974. </section>
    975. 

  975. 

  976.                                     </dd>
    977. 

  977.                                             </dl>
    978. 

  978. 

  979.     
    980. 

  980. 

  981.             <section>
    982. 

  982.         <h5 class="phpdocumentor-return-value__heading">Return values</h5>
    983. 

  983.         <span class="phpdocumentor-signature__response_type">float|null</span>
    984. 

  984.                     &mdash;
    985. 

  985.                 <section class="phpdocumentor-description"><p>vertical center of finder pattern, or null if not found</p>
    986. 

  986. </section>
    987. 

  987. 

  988.             </section>
    989. 

  989. 

  990. </article>
    991. 

  991.                     <article
    992. 

  992.         class="phpdocumentor-element
    993. 

  993.             -method
    994. 

  994.             -private
    995. 

  995.                                                         "
    996. 

  996. >
    997. 

  997.     <h4 class="phpdocumentor-element__name" id="method_crossProductZ">
    998. 

  998.         crossProductZ()
    999. 

  999.         <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_crossProductZ" class="headerlink"><i class="fas fa-link"></i></a>
    1000. 

  1000. 

  1001.     </h4>
    1002. 

  1002.     <aside class="phpdocumentor-element-found-in">
    1003. 

  1003.     <abbr class="phpdocumentor-element-found-in__file" title="src/Detector/FinderPatternFinder.php"><a href="files/src-detector-finderpatternfinder.html"><abbr title="src/Detector/FinderPatternFinder.php">FinderPatternFinder.php</abbr></a></abbr>
    1004. 

  1004.     :
    1005. 

  1005.     <span class="phpdocumentor-element-found-in__line">763</span>
    1006. 

  1006. 

  1007.     </aside>
    1008. 

  1008. 

  1009.         <p class="phpdocumentor-summary">Returns the z component of the cross product between vectors BC and BA.</p>
    1010. 

  1010. 

  1011.     <code class="phpdocumentor-code phpdocumentor-signature ">
    1012. 

  1012.     <span class="phpdocumentor-signature__visibility">private</span>
    1013. 

  1013.                     <span class="phpdocumentor-signature__name">crossProductZ</span><span>(</span><span class="phpdocumentor-signature__argument"><span class="phpdocumentor-signature__argument__return-type"><a href="classes/chillerlan-QRCode-Detector-FinderPattern.html"><abbr title="\chillerlan\QRCode\Detector\FinderPattern">FinderPattern</abbr></a>&nbsp;</span><span class="phpdocumentor-signature__argument__name">$pointA</span></span><span class="phpdocumentor-signature__argument"><span>, </span><span class="phpdocumentor-signature__argument__return-type"><a href="classes/chillerlan-QRCode-Detector-FinderPattern.html"><abbr title="\chillerlan\QRCode\Detector\FinderPattern">FinderPattern</abbr></a>&nbsp;</span><span class="phpdocumentor-signature__argument__name">$pointB</span></span><span class="phpdocumentor-signature__argument"><span>, </span><span class="phpdocumentor-signature__argument__return-type"><a href="classes/chillerlan-QRCode-Detector-FinderPattern.html"><abbr title="\chillerlan\QRCode\Detector\FinderPattern">FinderPattern</abbr></a>&nbsp;</span><span class="phpdocumentor-signature__argument__name">$pointC</span></span><span>)</span><span> : </span><span class="phpdocumentor-signature__response_type">float</span></code>
    1014. 

  1014. 

  1015.     <div class="phpdocumentor-label-line">
    1016. 

  1016.         </div>
    1017. 

  1017.     
    1018. 

  1018.         <h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
    1019. 

  1019.     <dl class="phpdocumentor-argument-list">
    1020. 

  1020.                     <dt class="phpdocumentor-argument-list__entry">
    1021. 

  1021.                 <span class="phpdocumentor-signature__argument__name">$pointA</span>
    1022. 

  1022.                 : <span class="phpdocumentor-signature__argument__return-type"><a href="classes/chillerlan-QRCode-Detector-FinderPattern.html"><abbr title="\chillerlan\QRCode\Detector\FinderPattern">FinderPattern</abbr></a></span>
    1023. 

  1023.                             </dt>
    1024. 

  1024.             <dd class="phpdocumentor-argument-list__definition">
    1025. 

  1025.                 
    1026. 

  1026.             </dd>
    1027. 

  1027.                     <dt class="phpdocumentor-argument-list__entry">
    1028. 

  1028.                 <span class="phpdocumentor-signature__argument__name">$pointB</span>
    1029. 

  1029.                 : <span class="phpdocumentor-signature__argument__return-type"><a href="classes/chillerlan-QRCode-Detector-FinderPattern.html"><abbr title="\chillerlan\QRCode\Detector\FinderPattern">FinderPattern</abbr></a></span>
    1030. 

  1030.                             </dt>
    1031. 

  1031.             <dd class="phpdocumentor-argument-list__definition">
    1032. 

  1032.                 
    1033. 

  1033.             </dd>
    1034. 

  1034.                     <dt class="phpdocumentor-argument-list__entry">
    1035. 

  1035.                 <span class="phpdocumentor-signature__argument__name">$pointC</span>
    1036. 

  1036.                 : <span class="phpdocumentor-signature__argument__return-type"><a href="classes/chillerlan-QRCode-Detector-FinderPattern.html"><abbr title="\chillerlan\QRCode\Detector\FinderPattern">FinderPattern</abbr></a></span>
    1037. 

  1037.                             </dt>
    1038. 

  1038.             <dd class="phpdocumentor-argument-list__definition">
    1039. 

  1039.                 
    1040. 

  1040.             </dd>
    1041. 

  1041.             </dl>
    1042. 

  1042. 

  1043.     
    1044. 

  1044. 

  1045.     
    1046. 

  1046. 

  1047.             <section>
    1048. 

  1048.         <h5 class="phpdocumentor-return-value__heading">Return values</h5>
    1049. 

  1049.         <span class="phpdocumentor-signature__response_type">float</span>
    1050. 

  1050.             </section>
    1051. 

  1051. 

  1052. </article>
    1053. 

  1053.                     <article
    1054. 

  1054.         class="phpdocumentor-element
    1055. 

  1055.             -method
    1056. 

  1056.             -private
    1057. 

  1057.                                                         "
    1058. 

  1058. >
    1059. 

  1059.     <h4 class="phpdocumentor-element__name" id="method_doShiftCounts2">
    1060. 

  1060.         doShiftCounts2()
    1061. 

  1061.         <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_doShiftCounts2" class="headerlink"><i class="fas fa-link"></i></a>
    1062. 

  1062. 

  1063.     </h4>
    1064. 

  1064.     <aside class="phpdocumentor-element-found-in">
    1065. 

  1065.     <abbr class="phpdocumentor-element-found-in__file" title="src/Detector/FinderPatternFinder.php"><a href="files/src-detector-finderpatternfinder.html"><abbr title="src/Detector/FinderPatternFinder.php">FinderPatternFinder.php</abbr></a></abbr>
    1066. 

  1066.     :
    1067. 

  1067.     <span class="phpdocumentor-element-found-in__line">174</span>
    1068. 

  1068. 

  1069.     </aside>
    1070. 

  1070. 

  1071.     
    1072. 

  1072.     <code class="phpdocumentor-code phpdocumentor-signature ">
    1073. 

  1073.     <span class="phpdocumentor-signature__visibility">private</span>
    1074. 

  1074.                     <span class="phpdocumentor-signature__name">doShiftCounts2</span><span>(</span><span class="phpdocumentor-signature__argument"><span class="phpdocumentor-signature__argument__return-type">array&lt;string|int, int&gt;&nbsp;</span><span class="phpdocumentor-signature__argument__name">$stateCount</span></span><span>)</span><span> : </span><span class="phpdocumentor-signature__response_type">array&lt;string|int, int&gt;</span></code>
    1075. 

  1075. 

  1076.     <div class="phpdocumentor-label-line">
    1077. 

  1077.         </div>
    1078. 

  1078.     
    1079. 

  1079.         <h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
    1080. 

  1080.     <dl class="phpdocumentor-argument-list">
    1081. 

  1081.                     <dt class="phpdocumentor-argument-list__entry">
    1082. 

  1082.                 <span class="phpdocumentor-signature__argument__name">$stateCount</span>
    1083. 

  1083.                 : <span class="phpdocumentor-signature__argument__return-type">array&lt;string|int, int&gt;</span>
    1084. 

  1084.                             </dt>
    1085. 

  1085.             <dd class="phpdocumentor-argument-list__definition">
    1086. 

  1086.                 
    1087. 

  1087.             </dd>
    1088. 

  1088.             </dl>
    1089. 

  1089. 

  1090.     
    1091. 

  1091. 

  1092.     
    1093. 

  1093. 

  1094.             <section>
    1095. 

  1095.         <h5 class="phpdocumentor-return-value__heading">Return values</h5>
    1096. 

  1096.         <span class="phpdocumentor-signature__response_type">array&lt;string|int, int&gt;</span>
    1097. 

  1097.             </section>
    1098. 

  1098. 

  1099. </article>
    1100. 

  1100.                     <article
    1101. 

  1101.         class="phpdocumentor-element
    1102. 

  1102.             -method
    1103. 

  1103.             -private
    1104. 

  1104.                                                         "
    1105. 

  1105. >
    1106. 

  1106.     <h4 class="phpdocumentor-element__name" id="method_findRowSkip">
    1107. 

  1107.         findRowSkip()
    1108. 

  1108.         <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_findRowSkip" class="headerlink"><i class="fas fa-link"></i></a>
    1109. 

  1109. 

  1110.     </h4>
    1111. 

  1111.     <aside class="phpdocumentor-element-found-in">
    1112. 

  1112.     <abbr class="phpdocumentor-element-found-in__file" title="src/Detector/FinderPatternFinder.php"><a href="files/src-detector-finderpatternfinder.html"><abbr title="src/Detector/FinderPatternFinder.php">FinderPatternFinder.php</abbr></a></abbr>
    1113. 

  1113.     :
    1114. 

  1114.     <span class="phpdocumentor-element-found-in__line">553</span>
    1115. 

  1115. 

  1116.     </aside>
    1117. 

  1117. 

  1118.     
    1119. 

  1119.     <code class="phpdocumentor-code phpdocumentor-signature ">
    1120. 

  1120.     <span class="phpdocumentor-signature__visibility">private</span>
    1121. 

  1121.                     <span class="phpdocumentor-signature__name">findRowSkip</span><span>(</span><span>)</span><span> : </span><span class="phpdocumentor-signature__response_type">int</span></code>
    1122. 

  1122. 

  1123.     <div class="phpdocumentor-label-line">
    1124. 

  1124.         </div>
    1125. 

  1125.     
    1126. 

  1126.     
    1127. 

  1127.     
    1128. 

  1128. 

  1129.     
    1130. 

  1130. 

  1131.             <section>
    1132. 

  1132.         <h5 class="phpdocumentor-return-value__heading">Return values</h5>
    1133. 

  1133.         <span class="phpdocumentor-signature__response_type">int</span>
    1134. 

  1134.                     &mdash;
    1135. 

  1135.                 <section class="phpdocumentor-description"><p>number of rows we could safely skip during scanning, based on the first
    1136. 

  1136. two finder patterns that have been located. In some cases their position will
    1137. 

  1137. allow us to infer that the third pattern must lie below a certain point farther
    1138. 

  1138. down in the image.</p>
    1139. 

  1139. </section>
    1140. 

  1140. 

  1141.             </section>
    1142. 

  1142. 

  1143. </article>
    1144. 

  1144.                     <article
    1145. 

  1145.         class="phpdocumentor-element
    1146. 

  1146.             -method
    1147. 

  1147.             -private
    1148. 

  1148.                                                         "
    1149. 

  1149. >
    1150. 

  1150.     <h4 class="phpdocumentor-element__name" id="method_foundPatternCross">
    1151. 

  1151.         foundPatternCross()
    1152. 

  1152.         <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_foundPatternCross" class="headerlink"><i class="fas fa-link"></i></a>
    1153. 

  1153. 

  1154.     </h4>
    1155. 

  1155.     <aside class="phpdocumentor-element-found-in">
    1156. 

  1156.     <abbr class="phpdocumentor-element-found-in__file" title="src/Detector/FinderPatternFinder.php"><a href="files/src-detector-finderpatternfinder.html"><abbr title="src/Detector/FinderPatternFinder.php">FinderPatternFinder.php</abbr></a></abbr>
    1157. 

  1157.     :
    1158. 

  1158.     <span class="phpdocumentor-element-found-in__line">197</span>
    1159. 

  1159. 

  1160.     </aside>
    1161. 

  1161. 

  1162.     
    1163. 

  1163.     <code class="phpdocumentor-code phpdocumentor-signature ">
    1164. 

  1164.     <span class="phpdocumentor-signature__visibility">private</span>
    1165. 

  1165.                     <span class="phpdocumentor-signature__name">foundPatternCross</span><span>(</span><span class="phpdocumentor-signature__argument"><span class="phpdocumentor-signature__argument__return-type">array&lt;string|int, int&gt;&nbsp;</span><span class="phpdocumentor-signature__argument__name">$stateCount</span></span><span>)</span><span> : </span><span class="phpdocumentor-signature__response_type">bool</span></code>
    1166. 

  1166. 

  1167.     <div class="phpdocumentor-label-line">
    1168. 

  1168.         </div>
    1169. 

  1169.     
    1170. 

  1170.         <h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
    1171. 

  1171.     <dl class="phpdocumentor-argument-list">
    1172. 

  1172.                     <dt class="phpdocumentor-argument-list__entry">
    1173. 

  1173.                 <span class="phpdocumentor-signature__argument__name">$stateCount</span>
    1174. 

  1174.                 : <span class="phpdocumentor-signature__argument__return-type">array&lt;string|int, int&gt;</span>
    1175. 

  1175.                             </dt>
    1176. 

  1176.             <dd class="phpdocumentor-argument-list__definition">
    1177. 

  1177.                 
    1178. 

  1178.             </dd>
    1179. 

  1179.             </dl>
    1180. 

  1180. 

  1181.     
    1182. 

  1182. 

  1183.     
    1184. 

  1184. 

  1185.             <section>
    1186. 

  1186.         <h5 class="phpdocumentor-return-value__heading">Return values</h5>
    1187. 

  1187.         <span class="phpdocumentor-signature__response_type">bool</span>
    1188. 

  1188.             </section>
    1189. 

  1189. 

  1190. </article>
    1191. 

  1191.                     <article
    1192. 

  1192.         class="phpdocumentor-element
    1193. 

  1193.             -method
    1194. 

  1194.             -private
    1195. 

  1195.                                                         "
    1196. 

  1196. >
    1197. 

  1197.     <h4 class="phpdocumentor-element__name" id="method_foundPatternDiagonal">
    1198. 

  1198.         foundPatternDiagonal()
    1199. 

  1199.         <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_foundPatternDiagonal" class="headerlink"><i class="fas fa-link"></i></a>
    1200. 

  1200. 

  1201.     </h4>
    1202. 

  1202.     <aside class="phpdocumentor-element-found-in">
    1203. 

  1203.     <abbr class="phpdocumentor-element-found-in__file" title="src/Detector/FinderPatternFinder.php"><a href="files/src-detector-finderpatternfinder.html"><abbr title="src/Detector/FinderPatternFinder.php">FinderPatternFinder.php</abbr></a></abbr>
    1204. 

  1204.     :
    1205. 

  1205.     <span class="phpdocumentor-element-found-in__line">205</span>
    1206. 

  1206. 

  1207.     </aside>
    1208. 

  1208. 

  1209.     
    1210. 

  1210.     <code class="phpdocumentor-code phpdocumentor-signature ">
    1211. 

  1211.     <span class="phpdocumentor-signature__visibility">private</span>
    1212. 

  1212.                     <span class="phpdocumentor-signature__name">foundPatternDiagonal</span><span>(</span><span class="phpdocumentor-signature__argument"><span class="phpdocumentor-signature__argument__return-type">array&lt;string|int, int&gt;&nbsp;</span><span class="phpdocumentor-signature__argument__name">$stateCount</span></span><span>)</span><span> : </span><span class="phpdocumentor-signature__response_type">bool</span></code>
    1213. 

  1213. 

  1214.     <div class="phpdocumentor-label-line">
    1215. 

  1215.         </div>
    1216. 

  1216.     
    1217. 

  1217.         <h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
    1218. 

  1218.     <dl class="phpdocumentor-argument-list">
    1219. 

  1219.                     <dt class="phpdocumentor-argument-list__entry">
    1220. 

  1220.                 <span class="phpdocumentor-signature__argument__name">$stateCount</span>
    1221. 

  1221.                 : <span class="phpdocumentor-signature__argument__return-type">array&lt;string|int, int&gt;</span>
    1222. 

  1222.                             </dt>
    1223. 

  1223.             <dd class="phpdocumentor-argument-list__definition">
    1224. 

  1224.                 
    1225. 

  1225.             </dd>
    1226. 

  1226.             </dl>
    1227. 

  1227. 

  1228.     
    1229. 

  1229. 

  1230.     
    1231. 

  1231. 

  1232.             <section>
    1233. 

  1233.         <h5 class="phpdocumentor-return-value__heading">Return values</h5>
    1234. 

  1234.         <span class="phpdocumentor-signature__response_type">bool</span>
    1235. 

  1235.             </section>
    1236. 

  1236. 

  1237. </article>
    1238. 

  1238.                     <article
    1239. 

  1239.         class="phpdocumentor-element
    1240. 

  1240.             -method
    1241. 

  1241.             -private
    1242. 

  1242.                                                         "
    1243. 

  1243. >
    1244. 

  1244.     <h4 class="phpdocumentor-element__name" id="method_foundPatternVariance">
    1245. 

  1245.         foundPatternVariance()
    1246. 

  1246.         <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_foundPatternVariance" class="headerlink"><i class="fas fa-link"></i></a>
    1247. 

  1247. 

  1248.     </h4>
    1249. 

  1249.     <aside class="phpdocumentor-element-found-in">
    1250. 

  1250.     <abbr class="phpdocumentor-element-found-in__file" title="src/Detector/FinderPatternFinder.php"><a href="files/src-detector-finderpatternfinder.html"><abbr title="src/Detector/FinderPatternFinder.php">FinderPatternFinder.php</abbr></a></abbr>
    1251. 

  1251.     :
    1252. 

  1252.     <span class="phpdocumentor-element-found-in__line">216</span>
    1253. 

  1253. 

  1254.     </aside>
    1255. 

  1255. 

  1256.     
    1257. 

  1257.     <code class="phpdocumentor-code phpdocumentor-signature ">
    1258. 

  1258.     <span class="phpdocumentor-signature__visibility">private</span>
    1259. 

  1259.                     <span class="phpdocumentor-signature__name">foundPatternVariance</span><span>(</span><span class="phpdocumentor-signature__argument"><span class="phpdocumentor-signature__argument__return-type">array&lt;string|int, int&gt;&nbsp;</span><span class="phpdocumentor-signature__argument__name">$stateCount</span></span><span class="phpdocumentor-signature__argument"><span>, </span><span class="phpdocumentor-signature__argument__return-type">float&nbsp;</span><span class="phpdocumentor-signature__argument__name">$variance</span></span><span>)</span><span> : </span><span class="phpdocumentor-signature__response_type">bool</span></code>
    1260. 

  1260. 

  1261.     <div class="phpdocumentor-label-line">
    1262. 

  1262.         </div>
    1263. 

  1263.     
    1264. 

  1264.         <h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
    1265. 

  1265.     <dl class="phpdocumentor-argument-list">
    1266. 

  1266.                     <dt class="phpdocumentor-argument-list__entry">
    1267. 

  1267.                 <span class="phpdocumentor-signature__argument__name">$stateCount</span>
    1268. 

  1268.                 : <span class="phpdocumentor-signature__argument__return-type">array&lt;string|int, int&gt;</span>
    1269. 

  1269.                             </dt>
    1270. 

  1270.             <dd class="phpdocumentor-argument-list__definition">
    1271. 

  1271.                     <section class="phpdocumentor-description"><p>count of black/white/black/white/black pixels just read</p>
    1272. 

  1272. </section>
    1273. 

  1273. 

  1274.             </dd>
    1275. 

  1275.                     <dt class="phpdocumentor-argument-list__entry">
    1276. 

  1276.                 <span class="phpdocumentor-signature__argument__name">$variance</span>
    1277. 

  1277.                 : <span class="phpdocumentor-signature__argument__return-type">float</span>
    1278. 

  1278.                             </dt>
    1279. 

  1279.             <dd class="phpdocumentor-argument-list__definition">
    1280. 

  1280.                 
    1281. 

  1281.             </dd>
    1282. 

  1282.             </dl>
    1283. 

  1283. 

  1284.     
    1285. 

  1285. 

  1286.     
    1287. 

  1287. 

  1288.             <section>
    1289. 

  1289.         <h5 class="phpdocumentor-return-value__heading">Return values</h5>
    1290. 

  1290.         <span class="phpdocumentor-signature__response_type">bool</span>
    1291. 

  1291.                     &mdash;
    1292. 

  1292.                 <section class="phpdocumentor-description"><p>true if the proportions of the counts is close enough to the 1/1/3/1/1 ratios
    1293. 

  1293. used by finder patterns to be considered a match</p>
    1294. 

  1294. </section>
    1295. 

  1295. 

  1296.             </section>
    1297. 

  1297. 

  1298. </article>
    1299. 

  1299.                     <article
    1300. 

  1300.         class="phpdocumentor-element
    1301. 

  1301.             -method
    1302. 

  1302.             -private
    1303. 

  1303.                                                         "
    1304. 

  1304. >
    1305. 

  1305.     <h4 class="phpdocumentor-element__name" id="method_getCrossCheckStateCount">
    1306. 

  1306.         getCrossCheckStateCount()
    1307. 

  1307.         <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_getCrossCheckStateCount" class="headerlink"><i class="fas fa-link"></i></a>
    1308. 

  1308. 

  1309.     </h4>
    1310. 

  1310.     <aside class="phpdocumentor-element-found-in">
    1311. 

  1311.     <abbr class="phpdocumentor-element-found-in__file" title="src/Detector/FinderPatternFinder.php"><a href="files/src-detector-finderpatternfinder.html"><abbr title="src/Detector/FinderPatternFinder.php">FinderPatternFinder.php</abbr></a></abbr>
    1312. 

  1312.     :
    1313. 

  1313.     <span class="phpdocumentor-element-found-in__line">165</span>
    1314. 

  1314. 

  1315.     </aside>
    1316. 

  1316. 

  1317.     
    1318. 

  1318.     <code class="phpdocumentor-code phpdocumentor-signature ">
    1319. 

  1319.     <span class="phpdocumentor-signature__visibility">private</span>
    1320. 

  1320.                     <span class="phpdocumentor-signature__name">getCrossCheckStateCount</span><span>(</span><span>)</span><span> : </span><span class="phpdocumentor-signature__response_type">array&lt;string|int, int&gt;</span></code>
    1321. 

  1321. 

  1322.     <div class="phpdocumentor-label-line">
    1323. 

  1323.         </div>
    1324. 

  1324.     
    1325. 

  1325.     
    1326. 

  1326.     
    1327. 

  1327. 

  1328.     
    1329. 

  1329. 

  1330.             <section>
    1331. 

  1331.         <h5 class="phpdocumentor-return-value__heading">Return values</h5>
    1332. 

  1332.         <span class="phpdocumentor-signature__response_type">array&lt;string|int, int&gt;</span>
    1333. 

  1333.             </section>
    1334. 

  1334. 

  1335. </article>
    1336. 

  1336.                     <article
    1337. 

  1337.         class="phpdocumentor-element
    1338. 

  1338.             -method
    1339. 

  1339.             -private
    1340. 

  1340.                                                         "
    1341. 

  1341. >
    1342. 

  1342.     <h4 class="phpdocumentor-element__name" id="method_handlePossibleCenter">
    1343. 

  1343.         handlePossibleCenter()
    1344. 

  1344.         <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_handlePossibleCenter" class="headerlink"><i class="fas fa-link"></i></a>
    1345. 

  1345. 

  1346.     </h4>
    1347. 

  1347.     <aside class="phpdocumentor-element-found-in">
    1348. 

  1348.     <abbr class="phpdocumentor-element-found-in__file" title="src/Detector/FinderPatternFinder.php"><a href="files/src-detector-finderpatternfinder.html"><abbr title="src/Detector/FinderPatternFinder.php">FinderPatternFinder.php</abbr></a></abbr>
    1349. 

  1349.     :
    1350. 

  1350.     <span class="phpdocumentor-element-found-in__line">510</span>
    1351. 

  1351. 

  1352.     </aside>
    1353. 

  1353. 

  1354.         <p class="phpdocumentor-summary">This is called when a horizontal scan finds a possible alignment pattern. It will
    1355. 

  1355. cross-check with a vertical scan, and if successful, will, ah, cross-cross-check
    1356. 

  1356. with another horizontal scan. This is needed primarily to locate the real horizontal
    1357. 

  1357. center of the pattern in cases of extreme skew.</p>
    1358. 

  1358. 

  1359.     <code class="phpdocumentor-code phpdocumentor-signature ">
    1360. 

  1360.     <span class="phpdocumentor-signature__visibility">private</span>
    1361. 

  1361.                     <span class="phpdocumentor-signature__name">handlePossibleCenter</span><span>(</span><span class="phpdocumentor-signature__argument"><span class="phpdocumentor-signature__argument__return-type">array&lt;string|int, int&gt;&nbsp;</span><span class="phpdocumentor-signature__argument__name">$stateCount</span></span><span class="phpdocumentor-signature__argument"><span>, </span><span class="phpdocumentor-signature__argument__return-type">int&nbsp;</span><span class="phpdocumentor-signature__argument__name">$i</span></span><span class="phpdocumentor-signature__argument"><span>, </span><span class="phpdocumentor-signature__argument__return-type">int&nbsp;</span><span class="phpdocumentor-signature__argument__name">$j</span></span><span>)</span><span> : </span><span class="phpdocumentor-signature__response_type">bool</span></code>
    1362. 

  1362. 

  1363.     <div class="phpdocumentor-label-line">
    1364. 

  1364.         </div>
    1365. 

  1365.         <section class="phpdocumentor-description"><p>And then we cross-cross-cross check with another diagonal scan.</p>
    1366. 

  1366. <p>If that succeeds the finder pattern location is added to a list that tracks
    1367. 

  1367. the number of times each location has been nearly-matched as a finder pattern.
    1368. 

  1368. Each additional find is more evidence that the location is in fact a finder
    1369. 

  1369. pattern center</p>
    1370. 

  1370. </section>
    1371. 

  1371. 

  1372.         <h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
    1373. 

  1373.     <dl class="phpdocumentor-argument-list">
    1374. 

  1374.                     <dt class="phpdocumentor-argument-list__entry">
    1375. 

  1375.                 <span class="phpdocumentor-signature__argument__name">$stateCount</span>
    1376. 

  1376.                 : <span class="phpdocumentor-signature__argument__return-type">array&lt;string|int, int&gt;</span>
    1377. 

  1377.                             </dt>
    1378. 

  1378.             <dd class="phpdocumentor-argument-list__definition">
    1379. 

  1379.                     <section class="phpdocumentor-description"><p>reading state module counts from horizontal scan</p>
    1380. 

  1380. </section>
    1381. 

  1381. 

  1382.             </dd>
    1383. 

  1383.                     <dt class="phpdocumentor-argument-list__entry">
    1384. 

  1384.                 <span class="phpdocumentor-signature__argument__name">$i</span>
    1385. 

  1385.                 : <span class="phpdocumentor-signature__argument__return-type">int</span>
    1386. 

  1386.                             </dt>
    1387. 

  1387.             <dd class="phpdocumentor-argument-list__definition">
    1388. 

  1388.                     <section class="phpdocumentor-description"><p>row where finder pattern may be found</p>
    1389. 

  1389. </section>
    1390. 

  1390. 

  1391.             </dd>
    1392. 

  1392.                     <dt class="phpdocumentor-argument-list__entry">
    1393. 

  1393.                 <span class="phpdocumentor-signature__argument__name">$j</span>
    1394. 

  1394.                 : <span class="phpdocumentor-signature__argument__return-type">int</span>
    1395. 

  1395.                             </dt>
    1396. 

  1396.             <dd class="phpdocumentor-argument-list__definition">
    1397. 

  1397.                     <section class="phpdocumentor-description"><p>end of possible finder pattern in row</p>
    1398. 

  1398. </section>
    1399. 

  1399. 

  1400.             </dd>
    1401. 

  1401.             </dl>
    1402. 

  1402. 

  1403.     
    1404. 

  1404. 

  1405.     
    1406. 

  1406. 

  1407.             <section>
    1408. 

  1408.         <h5 class="phpdocumentor-return-value__heading">Return values</h5>
    1409. 

  1409.         <span class="phpdocumentor-signature__response_type">bool</span>
    1410. 

  1410.                     &mdash;
    1411. 

  1411.                 <section class="phpdocumentor-description"><p>if a finder pattern candidate was found this time</p>
    1412. 

  1412. </section>
    1413. 

  1413. 

  1414.             </section>
    1415. 

  1415. 

  1416. </article>
    1417. 

  1417.                     <article
    1418. 

  1418.         class="phpdocumentor-element
    1419. 

  1419.             -method
    1420. 

  1420.             -private
    1421. 

  1421.                                                         "
    1422. 

  1422. >
    1423. 

  1423.     <h4 class="phpdocumentor-element__name" id="method_haveMultiplyConfirmedCenters">
    1424. 

  1424.         haveMultiplyConfirmedCenters()
    1425. 

  1425.         <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_haveMultiplyConfirmedCenters" class="headerlink"><i class="fas fa-link"></i></a>
    1426. 

  1426. 

  1427.     </h4>
    1428. 

  1428.     <aside class="phpdocumentor-element-found-in">
    1429. 

  1429.     <abbr class="phpdocumentor-element-found-in__file" title="src/Detector/FinderPatternFinder.php"><a href="files/src-detector-finderpatternfinder.html"><abbr title="src/Detector/FinderPatternFinder.php">FinderPatternFinder.php</abbr></a></abbr>
    1430. 

  1430.     :
    1431. 

  1431.     <span class="phpdocumentor-element-found-in__line">591</span>
    1432. 

  1432. 

  1433.     </aside>
    1434. 

  1434. 

  1435.     
    1436. 

  1436.     <code class="phpdocumentor-code phpdocumentor-signature ">
    1437. 

  1437.     <span class="phpdocumentor-signature__visibility">private</span>
    1438. 

  1438.                     <span class="phpdocumentor-signature__name">haveMultiplyConfirmedCenters</span><span>(</span><span>)</span><span> : </span><span class="phpdocumentor-signature__response_type">bool</span></code>
    1439. 

  1439. 

  1440.     <div class="phpdocumentor-label-line">
    1441. 

  1441.         </div>
    1442. 

  1442.     
    1443. 

  1443.     
    1444. 

  1444.     
    1445. 

  1445. 

  1446.     
    1447. 

  1447. 

  1448.             <section>
    1449. 

  1449.         <h5 class="phpdocumentor-return-value__heading">Return values</h5>
    1450. 

  1450.         <span class="phpdocumentor-signature__response_type">bool</span>
    1451. 

  1451.                     &mdash;
    1452. 

  1452.                 <section class="phpdocumentor-description"><p>true if we have found at least 3 finder patterns that have been detected
    1453. 

  1453. at least #CENTER_QUORUM times each, and, the estimated module size of the
    1454. 

  1454. candidates is &quot;pretty similar&quot;</p>
    1455. 

  1455. </section>
    1456. 

  1456. 

  1457.             </section>
    1458. 

  1458. 

  1459. </article>
    1460. 

  1460.                     <article
    1461. 

  1461.         class="phpdocumentor-element
    1462. 

  1462.             -method
    1463. 

  1463.             -private
    1464. 

  1464.                                                         "
    1465. 

  1465. >
    1466. 

  1466.     <h4 class="phpdocumentor-element__name" id="method_orderBestPatterns">
    1467. 

  1467.         orderBestPatterns()
    1468. 

  1468.         <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_orderBestPatterns" class="headerlink"><i class="fas fa-link"></i></a>
    1469. 

  1469. 

  1470.     </h4>
    1471. 

  1471.     <aside class="phpdocumentor-element-found-in">
    1472. 

  1472.     <abbr class="phpdocumentor-element-found-in__file" title="src/Detector/FinderPatternFinder.php"><a href="files/src-detector-finderpatternfinder.html"><abbr title="src/Detector/FinderPatternFinder.php">FinderPatternFinder.php</abbr></a></abbr>
    1473. 

  1473.     :
    1474. 

  1474.     <span class="phpdocumentor-element-found-in__line">729</span>
    1475. 

  1475. 

  1476.     </aside>
    1477. 

  1477. 

  1478.         <p class="phpdocumentor-summary">Orders an array of three ResultPoints in an order [A,B,C] such that AB is less than AC
    1479. 

  1479. and BC is less than AC, and the angle between BC and BA is less than 180 degrees.</p>
    1480. 

  1480. 

  1481.     <code class="phpdocumentor-code phpdocumentor-signature ">
    1482. 

  1482.     <span class="phpdocumentor-signature__visibility">private</span>
    1483. 

  1483.                     <span class="phpdocumentor-signature__name">orderBestPatterns</span><span>(</span><span class="phpdocumentor-signature__argument"><span class="phpdocumentor-signature__argument__return-type">array&lt;string|int, <a href="classes/chillerlan-QRCode-Detector-FinderPattern.html"><abbr title="\chillerlan\QRCode\Detector\FinderPattern">FinderPattern</abbr></a>&gt;&nbsp;</span><span class="phpdocumentor-signature__argument__name">$patterns</span></span><span>)</span><span> : </span><span class="phpdocumentor-signature__response_type">array&lt;string|int, <a href="classes/chillerlan-QRCode-Detector-FinderPattern.html"><abbr title="\chillerlan\QRCode\Detector\FinderPattern">FinderPattern</abbr></a>&gt;</span></code>
    1484. 

  1484. 

  1485.     <div class="phpdocumentor-label-line">
    1486. 

  1486.         </div>
    1487. 

  1487.     
    1488. 

  1488.         <h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
    1489. 

  1489.     <dl class="phpdocumentor-argument-list">
    1490. 

  1490.                     <dt class="phpdocumentor-argument-list__entry">
    1491. 

  1491.                 <span class="phpdocumentor-signature__argument__name">$patterns</span>
    1492. 

  1492.                 : <span class="phpdocumentor-signature__argument__return-type">array&lt;string|int, <a href="classes/chillerlan-QRCode-Detector-FinderPattern.html"><abbr title="\chillerlan\QRCode\Detector\FinderPattern">FinderPattern</abbr></a>&gt;</span>
    1493. 

  1493.                             </dt>
    1494. 

  1494.             <dd class="phpdocumentor-argument-list__definition">
    1495. 

  1495.                     <section class="phpdocumentor-description"><p>array of three FinderPattern to order</p>
    1496. 

  1496. </section>
    1497. 

  1497. 

  1498.             </dd>
    1499. 

  1499.             </dl>
    1500. 

  1500. 

  1501.     
    1502. 

  1502. 

  1503.     
    1504. 

  1504. 

  1505.             <section>
    1506. 

  1506.         <h5 class="phpdocumentor-return-value__heading">Return values</h5>
    1507. 

  1507.         <span class="phpdocumentor-signature__response_type">array&lt;string|int, <a href="classes/chillerlan-QRCode-Detector-FinderPattern.html"><abbr title="\chillerlan\QRCode\Detector\FinderPattern">FinderPattern</abbr></a>&gt;</span>
    1508. 

  1508.             </section>
    1509. 

  1509. 

  1510. </article>
    1511. 

  1511.                     <article
    1512. 

  1512.         class="phpdocumentor-element
    1513. 

  1513.             -method
    1514. 

  1514.             -private
    1515. 

  1515.                                                         "
    1516. 

  1516. >
    1517. 

  1517.     <h4 class="phpdocumentor-element__name" id="method_selectBestPatterns">
    1518. 

  1518.         selectBestPatterns()
    1519. 

  1519.         <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_selectBestPatterns" class="headerlink"><i class="fas fa-link"></i></a>
    1520. 

  1520. 

  1521.     </h4>
    1522. 

  1522.     <aside class="phpdocumentor-element-found-in">
    1523. 

  1523.     <abbr class="phpdocumentor-element-found-in__file" title="src/Detector/FinderPatternFinder.php"><a href="files/src-detector-finderpatternfinder.html"><abbr title="src/Detector/FinderPatternFinder.php">FinderPatternFinder.php</abbr></a></abbr>
    1524. 

  1524.     :
    1525. 

  1525.     <span class="phpdocumentor-element-found-in__line">626</span>
    1526. 

  1526. 

  1527.     </aside>
    1528. 

  1528. 

  1529.     
    1530. 

  1530.     <code class="phpdocumentor-code phpdocumentor-signature ">
    1531. 

  1531.     <span class="phpdocumentor-signature__visibility">private</span>
    1532. 

  1532.                     <span class="phpdocumentor-signature__name">selectBestPatterns</span><span>(</span><span>)</span><span> : </span><span class="phpdocumentor-signature__response_type">array&lt;string|int, <a href="classes/chillerlan-QRCode-Detector-FinderPattern.html"><abbr title="\chillerlan\QRCode\Detector\FinderPattern">FinderPattern</abbr></a>&gt;</span></code>
    1533. 

  1533. 

  1534.     <div class="phpdocumentor-label-line">
    1535. 

  1535.         </div>
    1536. 

  1536.     
    1537. 

  1537.     
    1538. 

  1538.     
    1539. 

  1539.     <h5 class="phpdocumentor-tag-list__heading" id="tags">
    1540. 

  1540.         Tags
    1541. 

  1541.         <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_selectBestPatterns#tags" class="headerlink"><i class="fas fa-link"></i></a>
    1542. 

  1542. 

  1543.     </h5>
    1544. 

  1544.     <dl class="phpdocumentor-tag-list">
    1545. 

  1545.                                     <dt class="phpdocumentor-tag-list__entry">
    1546. 

  1546.                     <span class="phpdocumentor-tag__name">throws</span>
    1547. 

  1547.                 </dt>
    1548. 

  1548.                 <dd class="phpdocumentor-tag-list__definition">
    1549. 

  1549.                                                                 <span class="phpdocumentor-tag-link"><a href="classes/chillerlan-QRCode-Detector-QRCodeDetectorException.html"><abbr title="\chillerlan\QRCode\Detector\QRCodeDetectorException">QRCodeDetectorException</abbr></a></span>
    1550. 

  1550.                                                             
    1551. 

  1551.                                                  <section class="phpdocumentor-description"><p>if 3 such finder patterns do not exist</p>
    1552. 

  1552. </section>
    1553. 

  1553. 

  1554.                                     </dd>
    1555. 

  1555.                                             </dl>
    1556. 

  1556. 

  1557.     
    1558. 

  1558. 

  1559.             <section>
    1560. 

  1560.         <h5 class="phpdocumentor-return-value__heading">Return values</h5>
    1561. 

  1561.         <span class="phpdocumentor-signature__response_type">array&lt;string|int, <a href="classes/chillerlan-QRCode-Detector-FinderPattern.html"><abbr title="\chillerlan\QRCode\Detector\FinderPattern">FinderPattern</abbr></a>&gt;</span>
    1562. 

  1562.                     &mdash;
    1563. 

  1563.                 <section class="phpdocumentor-description"><p>the 3 best FinderPatterns from our list of candidates. The &quot;best&quot; are
    1564. 

  1564. those that have been detected at least #CENTER_QUORUM times, and whose module
    1565. 

  1565. size differs from the average among those patterns the least</p>
    1566. 

  1566. </section>
    1567. 

  1567. 

  1568.             </section>
    1569. 

  1569. 

  1570. </article>
    1571. 

  1571.             </section>
    1572. 

  1572. 

  1573.         <div class="phpdocumentor-modal" id="source-view">
    1574. 

  1574.     <div class="phpdocumentor-modal-bg" data-exit-button></div>
    1575. 

  1575.     <div class="phpdocumentor-modal-container">
    1576. 

  1576.         <div class="phpdocumentor-modal-content">
    1577. 

  1577.             <pre style="max-height: 500px; overflow-y: scroll" data-src="files/src/Detector/FinderPatternFinder.php.txt" class="language-php line-numbers linkable-line-numbers"></pre>
    1578. 

  1578.         </div>
    1579. 

  1579.         <button data-exit-button class="phpdocumentor-modal__close">&times;</button>
    1580. 

  1580.     </div>
    1581. 

  1581. </div>
    1582. 

  1582. 

  1583.     <script type="text/javascript">
    1584. 

  1584.         (function () {
    1585. 

  1585.             function loadExternalCodeSnippet(el, url, line) {
    1586. 

  1586.                 Array.prototype.slice.call(el.querySelectorAll('pre[data-src]')).forEach((pre) => {
    1587. 

  1587.                     const src = url || pre.getAttribute('data-src').replace(/\\/g, '/');
    1588. 

  1588.                     const language = 'php';
    1589. 

  1589. 

  1590.                     const code = document.createElement('code');
    1591. 

  1591.                     code.className = 'language-' + language;
    1592. 

  1592.                     pre.textContent = '';
    1593. 

  1593.                     pre.setAttribute('data-line', line)
    1594. 

  1594.                     code.textContent = 'Loading…';
    1595. 

  1595.                     pre.appendChild(code);
    1596. 

  1596. 

  1597.                     var xhr = new XMLHttpRequest();
    1598. 

  1598. 

  1599.                     xhr.open('GET', src, true);
    1600. 

  1600. 

  1601.                     xhr.onreadystatechange = function () {
    1602. 

  1602.                         if (xhr.readyState !== 4) {
    1603. 

  1603.                             return;
    1604. 

  1604.                         }
    1605. 

  1605. 

  1606.                         if (xhr.status < 400 && xhr.responseText) {
    1607. 

  1607.                             code.textContent = xhr.responseText;
    1608. 

  1608.                             Prism.highlightElement(code);
    1609. 

  1609.                             return;
    1610. 

  1610.                         }
    1611. 

  1611. 

  1612.                         if (xhr.status === 404) {
    1613. 

  1613.                             code.textContent = '✖ Error: File could not be found';
    1614. 

  1614.                             return;
    1615. 

  1615.                         }
    1616. 

  1616. 

  1617.                         if (xhr.status >= 400) {
    1618. 

  1618.                             code.textContent = '✖ Error ' + xhr.status + ' while fetching file: ' + xhr.statusText;
    1619. 

  1619.                             return;
    1620. 

  1620.                         }
    1621. 

  1621. 

  1622.                         code.textContent = '✖ Error: An unknown error occurred';
    1623. 

  1623.                     };
    1624. 

  1624. 

  1625.                     xhr.send(null);
    1626. 

  1626.                 });
    1627. 

  1627.             }
    1628. 

  1628. 

  1629.             const modalButtons = document.querySelectorAll("[data-modal]");
    1630. 

  1630.             const openedAsLocalFile = window.location.protocol === 'file:';
    1631. 

  1631.             if (modalButtons.length > 0 && openedAsLocalFile) {
    1632. 

  1632.                 console.warn(
    1633. 

  1633.                     'Viewing the source code is unavailable because you are opening this page from the file:// scheme; ' +
    1634. 

  1634.                     'browsers block XHR requests when a page is opened this way'
    1635. 

  1635.                 );
    1636. 

  1636.             }
    1637. 

  1637. 

  1638.             modalButtons.forEach(function (trigger) {
    1639. 

  1639.                 if (openedAsLocalFile) {
    1640. 

  1640.                     trigger.setAttribute("hidden", "hidden");
    1641. 

  1641.                 }
    1642. 

  1642. 

  1643.                 trigger.addEventListener("click", function (event) {
    1644. 

  1644.                     event.preventDefault();
    1645. 

  1645.                     const modal = document.getElementById(trigger.dataset.modal);
    1646. 

  1646.                     if (!modal) {
    1647. 

  1647.                         console.error(`Modal with id "${trigger.dataset.modal}" could not be found`);
    1648. 

  1648.                         return;
    1649. 

  1649.                     }
    1650. 

  1650.                     modal.classList.add("phpdocumentor-modal__open");
    1651. 

  1651. 

  1652.                     loadExternalCodeSnippet(modal, trigger.dataset.src || null, trigger.dataset.line)
    1653. 

  1653.                     const exits = modal.querySelectorAll("[data-exit-button]");
    1654. 

  1654.                     exits.forEach(function (exit) {
    1655. 

  1655.                         exit.addEventListener("click", function (event) {
    1656. 

  1656.                             event.preventDefault();
    1657. 

  1657.                             modal.classList.remove("phpdocumentor-modal__open");
    1658. 

  1658.                         });
    1659. 

  1659.                     });
    1660. 

  1660.                 });
    1661. 

  1661.             });
    1662. 

  1662.         })();
    1663. 

  1663.     </script>
    1664. 

  1664. 

  1665.     </article>
    1666. 

  1666.                                 </section>
    1667. 

  1667.                 <section class="phpdocumentor-on-this-page__sidebar">
    1668. 

  1668.                                 
    1669. 

  1669.     <section class="phpdocumentor-on-this-page__content">
    1670. 

  1670.         <strong class="phpdocumentor-on-this-page__title">On this page</strong>
    1671. 

  1671. 

  1672.         <ul class="phpdocumentor-list -clean">
    1673. 

  1673.             <li class="phpdocumentor-on-this-page-section__title">Table Of Contents</li>
    1674. 

  1674.             <li>
    1675. 

  1675.                 <ul class="phpdocumentor-list -clean">
    1676. 

  1676.                                         <li><a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#toc-constants">Constants</a></li>
    1677. 

  1677.                                                             <li><a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#toc-properties">Properties</a></li>
    1678. 

  1678.                                                             <li><a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#toc-methods">Methods</a></li>
    1679. 

  1679.                                     </ul>
    1680. 

  1680.             </li>
    1681. 

  1681.                             <li class="phpdocumentor-on-this-page-section__title">Constants</li>
    1682. 

  1682.                 <li>
    1683. 

  1683.                     <ul class="phpdocumentor-list -clean">
    1684. 

  1684.                                                     <li><a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#constant_CENTER_QUORUM">CENTER_QUORUM</a></li>
    1685. 

  1685.                                                     <li><a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#constant_MAX_MODULES">MAX_MODULES</a></li>
    1686. 

  1686.                                                     <li><a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#constant_MIN_SKIP">MIN_SKIP</a></li>
    1687. 

  1687.                                             </ul>
    1688. 

  1688.                 </li>
    1689. 

  1689.             
    1690. 

  1690.                             <li class="phpdocumentor-on-this-page-section__title">Properties</li>
    1691. 

  1691.                 <li>
    1692. 

  1692.                     <ul class="phpdocumentor-list -clean">
    1693. 

  1693.                                                     <li><a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#property_hasSkipped">$hasSkipped<a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html"></li>
    1694. 

  1694.                                                     <li><a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#property_matrix">$matrix<a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html"></li>
    1695. 

  1695.                                                     <li><a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#property_possibleCenters">$possibleCenters<a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html"></li>
    1696. 

  1696.                                             </ul>
    1697. 

  1697.                 </li>
    1698. 

  1698.             
    1699. 

  1699.                         <li class="phpdocumentor-on-this-page-section__title">Methods</li>
    1700. 

  1700.             <li>
    1701. 

  1701.                 <ul class="phpdocumentor-list -clean">
    1702. 

  1702.                                             <li><a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method___construct">__construct()</a></li>
    1703. 

  1703.                                             <li><a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_find">find()</a></li>
    1704. 

  1704.                                             <li><a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_centerFromEnd">centerFromEnd()</a></li>
    1705. 

  1705.                                             <li><a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_crossCheckDiagonal">crossCheckDiagonal()</a></li>
    1706. 

  1706.                                             <li><a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_crossCheckHorizontal">crossCheckHorizontal()</a></li>
    1707. 

  1707.                                             <li><a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_crossCheckVertical">crossCheckVertical()</a></li>
    1708. 

  1708.                                             <li><a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_crossProductZ">crossProductZ()</a></li>
    1709. 

  1709.                                             <li><a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_doShiftCounts2">doShiftCounts2()</a></li>
    1710. 

  1710.                                             <li><a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_findRowSkip">findRowSkip()</a></li>
    1711. 

  1711.                                             <li><a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_foundPatternCross">foundPatternCross()</a></li>
    1712. 

  1712.                                             <li><a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_foundPatternDiagonal">foundPatternDiagonal()</a></li>
    1713. 

  1713.                                             <li><a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_foundPatternVariance">foundPatternVariance()</a></li>
    1714. 

  1714.                                             <li><a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_getCrossCheckStateCount">getCrossCheckStateCount()</a></li>
    1715. 

  1715.                                             <li><a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_handlePossibleCenter">handlePossibleCenter()</a></li>
    1716. 

  1716.                                             <li><a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_haveMultiplyConfirmedCenters">haveMultiplyConfirmedCenters()</a></li>
    1717. 

  1717.                                             <li><a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_orderBestPatterns">orderBestPatterns()</a></li>
    1718. 

  1718.                                             <li><a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_selectBestPatterns">selectBestPatterns()</a></li>
    1719. 

  1719.                                     </ul>
    1720. 

  1720.             </li>
    1721. 

  1721.                     </ul>
    1722. 

  1722.     </section>
    1723. 

  1723. 

  1724.                 </section>
    1725. 

  1725.                             </div>
    1726. 

  1726.             <section data-search-results class="phpdocumentor-search-results phpdocumentor-search-results--hidden">
    1727. 

  1727.     <section class="phpdocumentor-search-results__dialog">
    1728. 

  1728.         <header class="phpdocumentor-search-results__header">
    1729. 

  1729.             <h2 class="phpdocumentor-search-results__title">Search results</h2>
    1730. 

  1730.             <button class="phpdocumentor-search-results__close"><i class="fas fa-times"></i></button>
    1731. 

  1731.         </header>
    1732. 

  1732.         <section class="phpdocumentor-search-results__body">
    1733. 

  1733.             <ul class="phpdocumentor-search-results__entries"></ul>
    1734. 

  1734.         </section>
    1735. 

  1735.     </section>
    1736. 

  1736. </section>
    1737. 

  1737.         </div>
    1738. 

  1738.         <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#top" class="phpdocumentor-back-to-top"><i class="fas fa-chevron-circle-up"></i></a>
    1739. 

  1739. 

  1740.     </main>
    1741. 

  1741. 

  1742.     <script>
    1743. 

  1743.         cssVars({});
    1744. 

  1744.     </script>
    1745. 

  1745.     <script src="https://cdn.jsdelivr.net/npm/prismjs@1.23.0/prism.min.js"></script>
    1746. 

  1746.     <script src="https://cdn.jsdelivr.net/npm/prismjs@1.23.0/plugins/autoloader/prism-autoloader.min.js"></script>
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    1749. 

  1749. </body>
    1750. 

  1750. </html>
    1751.