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chillerlan-QRCode-Detector-FinderPatternFinder.html

chillerlan-QRCode-Detector-FinderPatternFinder.html 88 KB
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  25.     </head>
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  26. <body id="top">
    27. 

  27.     <header class="phpdocumentor-header phpdocumentor-section">
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  28.     <h1 class="phpdocumentor-title"><a href="" class="phpdocumentor-title__link">Documentation</a></h1>
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    38. 

  38.             <line x1="12.4892" y1="12.2727" x2="19.1559" y2="18.9393" stroke="currentColor" stroke-width="3"/>
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  45.     <ul class="phpdocumentor-topnav__menu">
    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">
    54. 

  54.                 <a href="https://github.com/chillerlan/php-qrcode">
    55. 

  55.                     <span>
    56. 

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

  57.                                                 
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  59.                 </a>
    60. 

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    61. 

  61.                     <li class="phpdocumentor-topnav__menu-item -social">
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  62.                 <a href="https://github.com/chillerlan/php-qrcode/discussions">
    63. 

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    64. 

  64.                                                                         <i class="fas fa-envelope-open-text"></i>
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  65.                                                 
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    80. 

  80.                     <section class="phpdocumentor-sidebar__category -namespaces">
    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.                         </section>
    97. 

  97.                 <section class="phpdocumentor-sidebar__category -packages">
    98. 

  98.             <h2 class="phpdocumentor-sidebar__category-header">Packages</h2>
    99. 

  99.                                     <h4 class="phpdocumentor-sidebar__root-namespace">
    100. 

  100.     <a href="packages/Application.html" class="">Application</a>
    101. 

  101. </h4>
    102. 

  102. 

  103.                         </section>
    104. 

  104.             
    105. 

  105.     <section class="phpdocumentor-sidebar__category -reports">
    106. 

  106.         <h2 class="phpdocumentor-sidebar__category-header">Reports</h2>
    107. 

  107.                 <h3 class="phpdocumentor-sidebar__root-package"><a href="reports/deprecated.html">Deprecated</a></h3>
    108. 

  108.         <h3 class="phpdocumentor-sidebar__root-package"><a href="reports/errors.html">Errors</a></h3>
    109. 

  109.         <h3 class="phpdocumentor-sidebar__root-package"><a href="reports/markers.html">Markers</a></h3>
    110. 

  110.     </section>
    111. 

  111. 

  112.     <section class="phpdocumentor-sidebar__category -indices">
    113. 

  113.         <h2 class="phpdocumentor-sidebar__category-header">Indices</h2>
    114. 

  114.         <h3 class="phpdocumentor-sidebar__root-package"><a href="indices/files.html">Files</a></h3>
    115. 

  115.     </section>
    116. 

  116. </aside>
    117. 

  117. 

  118.             <div class="phpdocumentor-column -nine phpdocumentor-content">
    119. 

  119.                                 <section>
    120. 

  120.                                         <ul class="phpdocumentor-breadcrumbs">
    121. 

  121.             <li class="phpdocumentor-breadcrumb"><a href="namespaces/chillerlan.html">chillerlan</a></li>
    122. 

  122.             <li class="phpdocumentor-breadcrumb"><a href="namespaces/chillerlan-qrcode.html">QRCode</a></li>
    123. 

  123.             <li class="phpdocumentor-breadcrumb"><a href="namespaces/chillerlan-qrcode-detector.html">Detector</a></li>
    124. 

  124.     </ul>
    125. 

  125. 

  126.     <article class="phpdocumentor-element -class">
    127. 

  127.         <h2 class="phpdocumentor-content__title">
    128. 

  128.     FinderPatternFinder
    129. 

  129. 

  130.     
    131. 

  131.             <div class="phpdocumentor-element__package">
    132. 

  132.             in package
    133. 

  133.             <ul class="phpdocumentor-breadcrumbs">
    134. 

  134.                                     <li class="phpdocumentor-breadcrumb"><a href="packages/Application.html">Application</a></li>
    135. 

  135.                             </ul>
    136. 

  136.         </div>
    137. 

  137.     
    138. 

  138.     
    139. 

  139.     </h2>
    140. 

  140. 

  141. <div class="phpdocumentor-label-line">
    142. 

  142. 

  143.     <div class="phpdocumentor-label phpdocumentor-label--success"><span>Final</span><span>Yes</span></div>
    144. 

  144. 

  145. 

  146. </div>
    147. 

  147. 

  148.         <aside class="phpdocumentor-element-found-in">
    149. 

  149.     <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>
    150. 

  150.     :
    151. 

  151.     <span class="phpdocumentor-element-found-in__line">27</span>
    152. 

  152. 

  153.     </aside>
    154. 

  154. 

  155.             <p class="phpdocumentor-summary">This class attempts to find finder patterns in a QR Code. Finder patterns are the square
    156. 

  156. markers at three corners of a QR Code.</p>
    157. 

  157. 

  158. 

  159.     <section class="phpdocumentor-description"><p>This class is thread-safe but not reentrant. Each thread must allocate its own object.</p>
    160. 

  160. </section>
    161. 

  161. 

  162. 

  163.     <h5 class="phpdocumentor-tag-list__heading" id="tags">
    164. 

  164.         Tags
    165. 

  165.         <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#tags" class="headerlink"><i class="fas fa-link"></i></a>
    166. 

  166. 

  167.     </h5>
    168. 

  168.     <dl class="phpdocumentor-tag-list">
    169. 

  169.                                     <dt class="phpdocumentor-tag-list__entry">
    170. 

  170.                     <span class="phpdocumentor-tag__name">author</span>
    171. 

  171.                 </dt>
    172. 

  172.                 <dd class="phpdocumentor-tag-list__definition">
    173. 

  173.                                                                                 
    174. 

  174.                                                  <section class="phpdocumentor-description"><p>Sean Owen</p>
    175. 

  175. </section>
    176. 

  176. 

  177.                                     </dd>
    178. 

  178.                                             </dl>
    179. 

  179. 

  180. 

  181. 

  182. 

  183. 

  184. <h3 id="toc">
    185. 

  185.     Table of Contents
    186. 

  186.     <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#toc" class="headerlink"><i class="fas fa-link"></i></a>
    187. 

  187. 

  188. </h3>
    189. 

  189. 

  190. 

  191. 

  192. 

  193. 

  194. 

  195. 

  196. <h4 id="toc-constants">
    197. 

  197.     Constants
    198. 

  198.     <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#toc-constants" class="headerlink"><i class="fas fa-link"></i></a>
    199. 

  199. 

  200. </h4>
    201. 

  201. <dl class="phpdocumentor-table-of-contents">
    202. 

  202.             <dt class="phpdocumentor-table-of-contents__entry -constant -private">
    203. 

  203.     <a class="" href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#constant_CENTER_QUORUM">CENTER_QUORUM</a>
    204. 

  204.     <span>
    205. 

  205.         &nbsp;= 2                            </span>
    206. 

  206. </dt>
    207. 

  207. 

  208.             <dt class="phpdocumentor-table-of-contents__entry -constant -private">
    209. 

  209.     <a class="" href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#constant_MAX_MODULES">MAX_MODULES</a>
    210. 

  210.     <span>
    211. 

  211.         &nbsp;= 177                            </span>
    212. 

  212. </dt>
    213. 

  213. 

  214.             <dt class="phpdocumentor-table-of-contents__entry -constant -private">
    215. 

  215.     <a class="" href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#constant_MIN_SKIP">MIN_SKIP</a>
    216. 

  216.     <span>
    217. 

  217.         &nbsp;= 2                            </span>
    218. 

  218. </dt>
    219. 

  219. 

  220.     </dl>
    221. 

  221. 

  222. 

  223. <h4 id="toc-properties">
    224. 

  224.     Properties
    225. 

  225.     <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#toc-properties" class="headerlink"><i class="fas fa-link"></i></a>
    226. 

  226. 

  227. </h4>
    228. 

  228. <dl class="phpdocumentor-table-of-contents">
    229. 

  229.             <dt class="phpdocumentor-table-of-contents__entry -property -private">
    230. 

  230.     <a class="" href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#property_hasSkipped">$hasSkipped</a>
    231. 

  231.     <span>
    232. 

  232.                         &nbsp;: bool            </span>
    233. 

  233. </dt>
    234. 

  234. 

  235.             <dt class="phpdocumentor-table-of-contents__entry -property -private">
    236. 

  236.     <a class="" href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#property_matrix">$matrix</a>
    237. 

  237.     <span>
    238. 

  238.                         &nbsp;: <a href="classes/chillerlan-QRCode-Decoder-BitMatrix.html"><abbr title="\chillerlan\QRCode\Decoder\BitMatrix">BitMatrix</abbr></a>            </span>
    239. 

  239. </dt>
    240. 

  240. 

  241.             <dt class="phpdocumentor-table-of-contents__entry -property -private">
    242. 

  242.     <a class="" href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#property_possibleCenters">$possibleCenters</a>
    243. 

  243.     <span>
    244. 

  244.                         &nbsp;: array&lt;string|int, <a href="classes/chillerlan-QRCode-Detector-FinderPattern.html"><abbr title="\chillerlan\QRCode\Detector\FinderPattern">FinderPattern</abbr></a>&gt;            </span>
    245. 

  245. </dt>
    246. 

  246. 

  247.     </dl>
    248. 

  248. 

  249. <h4 id="toc-methods">
    250. 

  250.     Methods
    251. 

  251.     <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#toc-methods" class="headerlink"><i class="fas fa-link"></i></a>
    252. 

  252. 

  253. </h4>
    254. 

  254. <dl class="phpdocumentor-table-of-contents">
    255. 

  255.             <dt class="phpdocumentor-table-of-contents__entry -method -public">
    256. 

  256.     <a class="" href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method___construct">__construct()</a>
    257. 

  257.     <span>
    258. 

  258.                                 &nbsp;: mixed    </span>
    259. 

  259. </dt>
    260. 

  260. <dd>Creates a finder that will search the image for three finder patterns.</dd>
    261. 

  261. 

  262.             <dt class="phpdocumentor-table-of-contents__entry -method -public">
    263. 

  263.     <a class="" href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_find">find()</a>
    264. 

  264.     <span>
    265. 

  265.                                 &nbsp;: array&lt;string|int, <a href="classes/chillerlan-QRCode-Detector-FinderPattern.html"><abbr title="\chillerlan\QRCode\Detector\FinderPattern">FinderPattern</abbr></a>&gt;    </span>
    266. 

  266. </dt>
    267. 

  267. 

  268.             <dt class="phpdocumentor-table-of-contents__entry -method -private">
    269. 

  269.     <a class="" href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_centerFromEnd">centerFromEnd()</a>
    270. 

  270.     <span>
    271. 

  271.                                 &nbsp;: float    </span>
    272. 

  272. </dt>
    273. 

  273. <dd>Given a count of black/white/black/white/black pixels just seen and an end position,
    274. 

  274. figures the location of the center of this run.</dd>
    275. 

  275. 

  276.             <dt class="phpdocumentor-table-of-contents__entry -method -private">
    277. 

  277.     <a class="" href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_crossCheckDiagonal">crossCheckDiagonal()</a>
    278. 

  278.     <span>
    279. 

  279.                                 &nbsp;: bool    </span>
    280. 

  280. </dt>
    281. 

  281. <dd>After a vertical and horizontal scan finds a potential finder pattern, this method
    282. 

  282. &quot;cross-cross-cross-checks&quot; by scanning down diagonally through the center of the possible
    283. 

  283. finder pattern to see if the same proportion is detected.</dd>
    284. 

  284. 

  285.             <dt class="phpdocumentor-table-of-contents__entry -method -private">
    286. 

  286.     <a class="" href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_crossCheckHorizontal">crossCheckHorizontal()</a>
    287. 

  287.     <span>
    288. 

  288.                                 &nbsp;: float|null    </span>
    289. 

  289. </dt>
    290. 

  290. <dd>Like #crossCheckVertical(int, int, int, int), and in fact is basically identical,
    291. 

  291. except it reads horizontally instead of vertically. This is used to cross-cross
    292. 

  292. check a vertical cross-check and locate the real center of the alignment pattern.</dd>
    293. 

  293. 

  294.             <dt class="phpdocumentor-table-of-contents__entry -method -private">
    295. 

  295.     <a class="" href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_crossCheckVertical">crossCheckVertical()</a>
    296. 

  296.     <span>
    297. 

  297.                                 &nbsp;: float|null    </span>
    298. 

  298. </dt>
    299. 

  299. <dd>After a horizontal scan finds a potential finder pattern, this method
    300. 

  300. &quot;cross-checks&quot; by scanning down vertically through the center of the possible
    301. 

  301. finder pattern to see if the same proportion is detected.</dd>
    302. 

  302. 

  303.             <dt class="phpdocumentor-table-of-contents__entry -method -private">
    304. 

  304.     <a class="" href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_crossProductZ">crossProductZ()</a>
    305. 

  305.     <span>
    306. 

  306.                                 &nbsp;: float    </span>
    307. 

  307. </dt>
    308. 

  308. <dd>Returns the z component of the cross product between vectors BC and BA.</dd>
    309. 

  309. 

  310.             <dt class="phpdocumentor-table-of-contents__entry -method -private">
    311. 

  311.     <a class="" href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_doShiftCounts2">doShiftCounts2()</a>
    312. 

  312.     <span>
    313. 

  313.                                 &nbsp;: array&lt;string|int, int&gt;    </span>
    314. 

  314. </dt>
    315. 

  315. 

  316.             <dt class="phpdocumentor-table-of-contents__entry -method -private">
    317. 

  317.     <a class="" href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_findRowSkip">findRowSkip()</a>
    318. 

  318.     <span>
    319. 

  319.                                 &nbsp;: int    </span>
    320. 

  320. </dt>
    321. 

  321. 

  322.             <dt class="phpdocumentor-table-of-contents__entry -method -private">
    323. 

  323.     <a class="" href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_foundPatternCross">foundPatternCross()</a>
    324. 

  324.     <span>
    325. 

  325.                                 &nbsp;: bool    </span>
    326. 

  326. </dt>
    327. 

  327. 

  328.             <dt class="phpdocumentor-table-of-contents__entry -method -private">
    329. 

  329.     <a class="" href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_foundPatternDiagonal">foundPatternDiagonal()</a>
    330. 

  330.     <span>
    331. 

  331.                                 &nbsp;: bool    </span>
    332. 

  332. </dt>
    333. 

  333. 

  334.             <dt class="phpdocumentor-table-of-contents__entry -method -private">
    335. 

  335.     <a class="" href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_foundPatternVariance">foundPatternVariance()</a>
    336. 

  336.     <span>
    337. 

  337.                                 &nbsp;: bool    </span>
    338. 

  338. </dt>
    339. 

  339. 

  340.             <dt class="phpdocumentor-table-of-contents__entry -method -private">
    341. 

  341.     <a class="" href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_getCrossCheckStateCount">getCrossCheckStateCount()</a>
    342. 

  342.     <span>
    343. 

  343.                                 &nbsp;: array&lt;string|int, int&gt;    </span>
    344. 

  344. </dt>
    345. 

  345. 

  346.             <dt class="phpdocumentor-table-of-contents__entry -method -private">
    347. 

  347.     <a class="" href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_handlePossibleCenter">handlePossibleCenter()</a>
    348. 

  348.     <span>
    349. 

  349.                                 &nbsp;: bool    </span>
    350. 

  350. </dt>
    351. 

  351. <dd>This is called when a horizontal scan finds a possible alignment pattern. It will
    352. 

  352. cross-check with a vertical scan, and if successful, will, ah, cross-cross-check
    353. 

  353. with another horizontal scan. This is needed primarily to locate the real horizontal
    354. 

  354. center of the pattern in cases of extreme skew.</dd>
    355. 

  355. 

  356.             <dt class="phpdocumentor-table-of-contents__entry -method -private">
    357. 

  357.     <a class="" href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_haveMultiplyConfirmedCenters">haveMultiplyConfirmedCenters()</a>
    358. 

  358.     <span>
    359. 

  359.                                 &nbsp;: bool    </span>
    360. 

  360. </dt>
    361. 

  361. 

  362.             <dt class="phpdocumentor-table-of-contents__entry -method -private">
    363. 

  363.     <a class="" href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_orderBestPatterns">orderBestPatterns()</a>
    364. 

  364.     <span>
    365. 

  365.                                 &nbsp;: array&lt;string|int, <a href="classes/chillerlan-QRCode-Detector-FinderPattern.html"><abbr title="\chillerlan\QRCode\Detector\FinderPattern">FinderPattern</abbr></a>&gt;    </span>
    366. 

  366. </dt>
    367. 

  367. <dd>Orders an array of three ResultPoints in an order [A,B,C] such that AB is less than AC
    368. 

  368. and BC is less than AC, and the angle between BC and BA is less than 180 degrees.</dd>
    369. 

  369. 

  370.             <dt class="phpdocumentor-table-of-contents__entry -method -private">
    371. 

  371.     <a class="" href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_selectBestPatterns">selectBestPatterns()</a>
    372. 

  372.     <span>
    373. 

  373.                                 &nbsp;: array&lt;string|int, <a href="classes/chillerlan-QRCode-Detector-FinderPattern.html"><abbr title="\chillerlan\QRCode\Detector\FinderPattern">FinderPattern</abbr></a>&gt;    </span>
    374. 

  374. </dt>
    375. 

  375. 

  376.     </dl>
    377. 

  377. 

  378. 

  379. 

  380.         
    381. 

  381.     <section class="phpdocumentor-constants">
    382. 

  382.         <h3 class="phpdocumentor-elements__header" id="constants">
    383. 

  383.             Constants
    384. 

  384.             <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#constants" class="headerlink"><i class="fas fa-link"></i></a>
    385. 

  385. 

  386.         </h3>
    387. 

  387.                     <article class="phpdocumentor-element -constant -private ">
    388. 

  388.     <h4 class="phpdocumentor-element__name" id="constant_CENTER_QUORUM">
    389. 

  389.         CENTER_QUORUM
    390. 

  390.         <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#constant_CENTER_QUORUM" class="headerlink"><i class="fas fa-link"></i></a>
    391. 

  391. 

  392.     </h4>
    393. 

  393. 

  394.     <aside class="phpdocumentor-element-found-in">
    395. 

  395.     <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>
    396. 

  396.     :
    397. 

  397.     <span class="phpdocumentor-element-found-in__line">31</span>
    398. 

  398. 

  399.     </aside>
    400. 

  400. 

  401.     
    402. 

  402.     
    403. 

  403.     <code class="phpdocumentor-signature phpdocumentor-code ">
    404. 

  404.     <span class="phpdocumentor-signature__visibility">private</span>
    405. 

  405.         <span class="phpdocumentor-signature__type">mixed</span>
    406. 

  406.     <span class="phpdocumentor-signature__name">CENTER_QUORUM</span>
    407. 

  407.     = <span class="phpdocumentor-signature__default-value">2</span>
    408. 

  408. </code>
    409. 

  409. 

  410. 

  411.     
    412. 

  412.     
    413. 

  413.     
    414. 

  414. 

  415.     
    416. 

  416. 

  417. </article>
    418. 

  418.                     <article class="phpdocumentor-element -constant -private ">
    419. 

  419.     <h4 class="phpdocumentor-element__name" id="constant_MAX_MODULES">
    420. 

  420.         MAX_MODULES
    421. 

  421.         <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#constant_MAX_MODULES" class="headerlink"><i class="fas fa-link"></i></a>
    422. 

  422. 

  423.     </h4>
    424. 

  424. 

  425.     <aside class="phpdocumentor-element-found-in">
    426. 

  426.     <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>
    427. 

  427.     :
    428. 

  428.     <span class="phpdocumentor-element-found-in__line">30</span>
    429. 

  429. 

  430.     </aside>
    431. 

  431. 

  432.     
    433. 

  433.     
    434. 

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

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

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

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

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

  439. </code>
    440. 

  440. 

  441. 

  442.     
    443. 

  443.     
    444. 

  444.     
    445. 

  445. 

  446.     
    447. 

  447. 

  448. </article>
    449. 

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

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

  451.         MIN_SKIP
    452. 

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

  453. 

  454.     </h4>
    455. 

  455. 

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

  457.     <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>
    458. 

  458.     :
    459. 

  459.     <span class="phpdocumentor-element-found-in__line">29</span>
    460. 

  460. 

  461.     </aside>
    462. 

  462. 

  463.     
    464. 

  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">35</span>
    507. 

  507. 

  508.     </aside>
    509. 

  509. 

  510.     
    511. 

  511.     
    512. 

  512.     <code class="phpdocumentor-code phpdocumentor-signature ">
    513. 

  513.         <span class="phpdocumentor-signature__visibility">private</span>
    514. 

  514.             <span class="phpdocumentor-signature__type">bool</span>
    515. 

  515.     <span class="phpdocumentor-signature__name">$hasSkipped</span>
    516. 

  516.      = <span class="phpdocumentor-signature__default-value">false</span></code>
    517. 

  517. 

  518.     
    519. 

  519.     
    520. 

  520.     
    521. 

  521. 

  522.     
    523. 

  523. 

  524.     
    525. 

  525. 

  526. </article>
    527. 

  527.                     <article
    528. 

  528.         class="
    529. 

  529.             phpdocumentor-element
    530. 

  530.             -property
    531. 

  531.             -private
    532. 

  532.                                                                     "
    533. 

  533. >
    534. 

  534.     <h4 class="phpdocumentor-element__name" id="property_matrix">
    535. 

  535.         $matrix
    536. 

  536.         <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#property_matrix" class="headerlink"><i class="fas fa-link"></i></a>
    537. 

  537. 

  538.         <span class="phpdocumentor-element__modifiers">
    539. 

  539.                                             </span>
    540. 

  540.     </h4>
    541. 

  541.     <aside class="phpdocumentor-element-found-in">
    542. 

  542.     <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>
    543. 

  543.     :
    544. 

  544.     <span class="phpdocumentor-element-found-in__line">32</span>
    545. 

  545. 

  546.     </aside>
    547. 

  547. 

  548.     
    549. 

  549.     
    550. 

  550.     <code class="phpdocumentor-code phpdocumentor-signature ">
    551. 

  551.         <span class="phpdocumentor-signature__visibility">private</span>
    552. 

  552.             <span class="phpdocumentor-signature__type"><a href="classes/chillerlan-QRCode-Decoder-BitMatrix.html"><abbr title="\chillerlan\QRCode\Decoder\BitMatrix">BitMatrix</abbr></a></span>
    553. 

  553.     <span class="phpdocumentor-signature__name">$matrix</span>
    554. 

  554.     </code>
    555. 

  555. 

  556.     
    557. 

  557.     
    558. 

  558.     
    559. 

  559. 

  560.     
    561. 

  561. 

  562.     
    563. 

  563. 

  564. </article>
    565. 

  565.                     <article
    566. 

  566.         class="
    567. 

  567.             phpdocumentor-element
    568. 

  568.             -property
    569. 

  569.             -private
    570. 

  570.                                                                     "
    571. 

  571. >
    572. 

  572.     <h4 class="phpdocumentor-element__name" id="property_possibleCenters">
    573. 

  573.         $possibleCenters
    574. 

  574.         <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#property_possibleCenters" class="headerlink"><i class="fas fa-link"></i></a>
    575. 

  575. 

  576.         <span class="phpdocumentor-element__modifiers">
    577. 

  577.                                             </span>
    578. 

  578.     </h4>
    579. 

  579.     <aside class="phpdocumentor-element-found-in">
    580. 

  580.     <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>
    581. 

  581.     :
    582. 

  582.     <span class="phpdocumentor-element-found-in__line">34</span>
    583. 

  583. 

  584.     </aside>
    585. 

  585. 

  586.     
    587. 

  587.     
    588. 

  588.     <code class="phpdocumentor-code phpdocumentor-signature ">
    589. 

  589.         <span class="phpdocumentor-signature__visibility">private</span>
    590. 

  590.             <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>
    591. 

  591.     <span class="phpdocumentor-signature__name">$possibleCenters</span>
    592. 

  592.     </code>
    593. 

  593. 

  594.     
    595. 

  595.     
    596. 

  596.     
    597. 

  597. 

  598.     
    599. 

  599. 

  600.     
    601. 

  601. 

  602. </article>
    603. 

  603.             </section>
    604. 

  604. 

  605.             <section class="phpdocumentor-methods">
    606. 

  606.         <h3 class="phpdocumentor-elements__header" id="methods">
    607. 

  607.             Methods
    608. 

  608.             <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#methods" class="headerlink"><i class="fas fa-link"></i></a>
    609. 

  609. 

  610.         </h3>
    611. 

  611.                     <article
    612. 

  612.         class="phpdocumentor-element
    613. 

  613.             -method
    614. 

  614.             -public
    615. 

  615.                                                         "
    616. 

  616. >
    617. 

  617.     <h4 class="phpdocumentor-element__name" id="method___construct">
    618. 

  618.         __construct()
    619. 

  619.         <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method___construct" class="headerlink"><i class="fas fa-link"></i></a>
    620. 

  620. 

  621.     </h4>
    622. 

  622.     <aside class="phpdocumentor-element-found-in">
    623. 

  623.     <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>
    624. 

  624.     :
    625. 

  625.     <span class="phpdocumentor-element-found-in__line">42</span>
    626. 

  626. 

  627.     </aside>
    628. 

  628. 

  629.         <p class="phpdocumentor-summary">Creates a finder that will search the image for three finder patterns.</p>
    630. 

  630. 

  631.     <code class="phpdocumentor-code phpdocumentor-signature ">
    632. 

  632.     <span class="phpdocumentor-signature__visibility">public</span>
    633. 

  633.                     <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>
    634. 

  634. 

  635.     <div class="phpdocumentor-label-line">
    636. 

  636.         </div>
    637. 

  637.     
    638. 

  638.     
    639. 

  639.         <h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
    640. 

  640.     <dl class="phpdocumentor-argument-list">
    641. 

  641.                     <dt class="phpdocumentor-argument-list__entry">
    642. 

  642.                 <span class="phpdocumentor-signature__argument__name">$matrix</span>
    643. 

  643.                 : <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>
    644. 

  644.                             </dt>
    645. 

  645.             <dd class="phpdocumentor-argument-list__definition">
    646. 

  646.                     <section class="phpdocumentor-description"><p>image to search</p>
    647. 

  647. </section>
    648. 

  648. 

  649.             </dd>
    650. 

  650.             </dl>
    651. 

  651. 

  652.     
    653. 

  653. 

  654.     
    655. 

  655. 

  656.     
    657. 

  657. </article>
    658. 

  658.                     <article
    659. 

  659.         class="phpdocumentor-element
    660. 

  660.             -method
    661. 

  661.             -public
    662. 

  662.                                                         "
    663. 

  663. >
    664. 

  664.     <h4 class="phpdocumentor-element__name" id="method_find">
    665. 

  665.         find()
    666. 

  666.         <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_find" class="headerlink"><i class="fas fa-link"></i></a>
    667. 

  667. 

  668.     </h4>
    669. 

  669.     <aside class="phpdocumentor-element-found-in">
    670. 

  670.     <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>
    671. 

  671.     :
    672. 

  672.     <span class="phpdocumentor-element-found-in__line">50</span>
    673. 

  673. 

  674.     </aside>
    675. 

  675. 

  676.     
    677. 

  677.     <code class="phpdocumentor-code phpdocumentor-signature ">
    678. 

  678.     <span class="phpdocumentor-signature__visibility">public</span>
    679. 

  679.                     <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>
    680. 

  680. 

  681.     <div class="phpdocumentor-label-line">
    682. 

  682.         </div>
    683. 

  683.     
    684. 

  684.     
    685. 

  685.     
    686. 

  686.     
    687. 

  687. 

  688.     
    689. 

  689. 

  690.             <section>
    691. 

  691.         <h5 class="phpdocumentor-return-value__heading">Return values</h5>
    692. 

  692.         <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>
    693. 

  693.             </section>
    694. 

  694. 

  695. </article>
    696. 

  696.                     <article
    697. 

  697.         class="phpdocumentor-element
    698. 

  698.             -method
    699. 

  699.             -private
    700. 

  700.                                                         "
    701. 

  701. >
    702. 

  702.     <h4 class="phpdocumentor-element__name" id="method_centerFromEnd">
    703. 

  703.         centerFromEnd()
    704. 

  704.         <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_centerFromEnd" class="headerlink"><i class="fas fa-link"></i></a>
    705. 

  705. 

  706.     </h4>
    707. 

  707.     <aside class="phpdocumentor-element-found-in">
    708. 

  708.     <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>
    709. 

  709.     :
    710. 

  710.     <span class="phpdocumentor-element-found-in__line">189</span>
    711. 

  711. 

  712.     </aside>
    713. 

  713. 

  714.         <p class="phpdocumentor-summary">Given a count of black/white/black/white/black pixels just seen and an end position,
    715. 

  715. figures the location of the center of this run.</p>
    716. 

  716. 

  717.     <code class="phpdocumentor-code phpdocumentor-signature ">
    718. 

  718.     <span class="phpdocumentor-signature__visibility">private</span>
    719. 

  719.                     <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>
    720. 

  720. 

  721.     <div class="phpdocumentor-label-line">
    722. 

  722.         </div>
    723. 

  723.     
    724. 

  724.     
    725. 

  725.         <h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
    726. 

  726.     <dl class="phpdocumentor-argument-list">
    727. 

  727.                     <dt class="phpdocumentor-argument-list__entry">
    728. 

  728.                 <span class="phpdocumentor-signature__argument__name">$stateCount</span>
    729. 

  729.                 : <span class="phpdocumentor-signature__argument__return-type">array&lt;string|int, int&gt;</span>
    730. 

  730.                             </dt>
    731. 

  731.             <dd class="phpdocumentor-argument-list__definition">
    732. 

  732.                 
    733. 

  733.             </dd>
    734. 

  734.                     <dt class="phpdocumentor-argument-list__entry">
    735. 

  735.                 <span class="phpdocumentor-signature__argument__name">$end</span>
    736. 

  736.                 : <span class="phpdocumentor-signature__argument__return-type">int</span>
    737. 

  737.                             </dt>
    738. 

  738.             <dd class="phpdocumentor-argument-list__definition">
    739. 

  739.                 
    740. 

  740.             </dd>
    741. 

  741.             </dl>
    742. 

  742. 

  743.     
    744. 

  744. 

  745.     
    746. 

  746. 

  747.             <section>
    748. 

  748.         <h5 class="phpdocumentor-return-value__heading">Return values</h5>
    749. 

  749.         <span class="phpdocumentor-signature__response_type">float</span>
    750. 

  750.             </section>
    751. 

  751. 

  752. </article>
    753. 

  753.                     <article
    754. 

  754.         class="phpdocumentor-element
    755. 

  755.             -method
    756. 

  756.             -private
    757. 

  757.                                                         "
    758. 

  758. >
    759. 

  759.     <h4 class="phpdocumentor-element__name" id="method_crossCheckDiagonal">
    760. 

  760.         crossCheckDiagonal()
    761. 

  761.         <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_crossCheckDiagonal" class="headerlink"><i class="fas fa-link"></i></a>
    762. 

  762. 

  763.     </h4>
    764. 

  764.     <aside class="phpdocumentor-element-found-in">
    765. 

  765.     <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>
    766. 

  766.     :
    767. 

  767.     <span class="phpdocumentor-element-found-in__line">253</span>
    768. 

  768. 

  769.     </aside>
    770. 

  770. 

  771.         <p class="phpdocumentor-summary">After a vertical and horizontal scan finds a potential finder pattern, this method
    772. 

  772. &quot;cross-cross-cross-checks&quot; by scanning down diagonally through the center of the possible
    773. 

  773. finder pattern to see if the same proportion is detected.</p>
    774. 

  774. 

  775.     <code class="phpdocumentor-code phpdocumentor-signature ">
    776. 

  776.     <span class="phpdocumentor-signature__visibility">private</span>
    777. 

  777.                     <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>
    778. 

  778. 

  779.     <div class="phpdocumentor-label-line">
    780. 

  780.         </div>
    781. 

  781.     
    782. 

  782.     
    783. 

  783.         <h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
    784. 

  784.     <dl class="phpdocumentor-argument-list">
    785. 

  785.                     <dt class="phpdocumentor-argument-list__entry">
    786. 

  786.                 <span class="phpdocumentor-signature__argument__name">$centerI</span>
    787. 

  787.                 : <span class="phpdocumentor-signature__argument__return-type">int</span>
    788. 

  788.                             </dt>
    789. 

  789.             <dd class="phpdocumentor-argument-list__definition">
    790. 

  790.                     <section class="phpdocumentor-description"><p>row where a finder pattern was detected</p>
    791. 

  791. </section>
    792. 

  792. 

  793.             </dd>
    794. 

  794.                     <dt class="phpdocumentor-argument-list__entry">
    795. 

  795.                 <span class="phpdocumentor-signature__argument__name">$centerJ</span>
    796. 

  796.                 : <span class="phpdocumentor-signature__argument__return-type">int</span>
    797. 

  797.                             </dt>
    798. 

  798.             <dd class="phpdocumentor-argument-list__definition">
    799. 

  799.                     <section class="phpdocumentor-description"><p>center of the section that appears to cross a finder pattern</p>
    800. 

  800. </section>
    801. 

  801. 

  802.             </dd>
    803. 

  803.             </dl>
    804. 

  804. 

  805.     
    806. 

  806. 

  807.     
    808. 

  808. 

  809.             <section>
    810. 

  810.         <h5 class="phpdocumentor-return-value__heading">Return values</h5>
    811. 

  811.         <span class="phpdocumentor-signature__response_type">bool</span>
    812. 

  812.                     &mdash;
    813. 

  813.                 <section class="phpdocumentor-description"><p>true if proportions are withing expected limits</p>
    814. 

  814. </section>
    815. 

  815. 

  816.             </section>
    817. 

  817. 

  818. </article>
    819. 

  819.                     <article
    820. 

  820.         class="phpdocumentor-element
    821. 

  821.             -method
    822. 

  822.             -private
    823. 

  823.                                                         "
    824. 

  824. >
    825. 

  825.     <h4 class="phpdocumentor-element__name" id="method_crossCheckHorizontal">
    826. 

  826.         crossCheckHorizontal()
    827. 

  827.         <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_crossCheckHorizontal" class="headerlink"><i class="fas fa-link"></i></a>
    828. 

  828. 

  829.     </h4>
    830. 

  830.     <aside class="phpdocumentor-element-found-in">
    831. 

  831.     <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>
    832. 

  832.     :
    833. 

  833.     <span class="phpdocumentor-element-found-in__line">420</span>
    834. 

  834. 

  835.     </aside>
    836. 

  836. 

  837.         <p class="phpdocumentor-summary">Like #crossCheckVertical(int, int, int, int), and in fact is basically identical,
    838. 

  838. except it reads horizontally instead of vertically. This is used to cross-cross
    839. 

  839. check a vertical cross-check and locate the real center of the alignment pattern.</p>
    840. 

  840. 

  841.     <code class="phpdocumentor-code phpdocumentor-signature ">
    842. 

  842.     <span class="phpdocumentor-signature__visibility">private</span>
    843. 

  843.                     <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>
    844. 

  844. 

  845.     <div class="phpdocumentor-label-line">
    846. 

  846.         </div>
    847. 

  847.     
    848. 

  848.     
    849. 

  849.         <h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
    850. 

  850.     <dl class="phpdocumentor-argument-list">
    851. 

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

  852.                 <span class="phpdocumentor-signature__argument__name">$startJ</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">$centerI</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.                     <dt class="phpdocumentor-argument-list__entry">
    866. 

  866.                 <span class="phpdocumentor-signature__argument__name">$maxCount</span>
    867. 

  867.                 : <span class="phpdocumentor-signature__argument__return-type">int</span>
    868. 

  868.                             </dt>
    869. 

  869.             <dd class="phpdocumentor-argument-list__definition">
    870. 

  870.                 
    871. 

  871.             </dd>
    872. 

  872.                     <dt class="phpdocumentor-argument-list__entry">
    873. 

  873.                 <span class="phpdocumentor-signature__argument__name">$originalStateCountTotal</span>
    874. 

  874.                 : <span class="phpdocumentor-signature__argument__return-type">int</span>
    875. 

  875.                             </dt>
    876. 

  876.             <dd class="phpdocumentor-argument-list__definition">
    877. 

  877.                 
    878. 

  878.             </dd>
    879. 

  879.             </dl>
    880. 

  880. 

  881.     
    882. 

  882.     <h5 class="phpdocumentor-tag-list__heading" id="tags">
    883. 

  883.         Tags
    884. 

  884.         <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_crossCheckHorizontal#tags" class="headerlink"><i class="fas fa-link"></i></a>
    885. 

  885. 

  886.     </h5>
    887. 

  887.     <dl class="phpdocumentor-tag-list">
    888. 

  888.                                     <dt class="phpdocumentor-tag-list__entry">
    889. 

  889.                     <span class="phpdocumentor-tag__name">noinspection</span>
    890. 

  890.                 </dt>
    891. 

  891.                 <dd class="phpdocumentor-tag-list__definition">
    892. 

  892.                                                                                 
    893. 

  893.                                                  <section class="phpdocumentor-description"><p>DuplicatedCode</p>
    894. 

  894. </section>
    895. 

  895. 

  896.                                     </dd>
    897. 

  897.                                             </dl>
    898. 

  898. 

  899.     
    900. 

  900. 

  901.             <section>
    902. 

  902.         <h5 class="phpdocumentor-return-value__heading">Return values</h5>
    903. 

  903.         <span class="phpdocumentor-signature__response_type">float|null</span>
    904. 

  904.             </section>
    905. 

  905. 

  906. </article>
    907. 

  907.                     <article
    908. 

  908.         class="phpdocumentor-element
    909. 

  909.             -method
    910. 

  910.             -private
    911. 

  911.                                                         "
    912. 

  912. >
    913. 

  913.     <h4 class="phpdocumentor-element__name" id="method_crossCheckVertical">
    914. 

  914.         crossCheckVertical()
    915. 

  915.         <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_crossCheckVertical" class="headerlink"><i class="fas fa-link"></i></a>
    916. 

  916. 

  917.     </h4>
    918. 

  918.     <aside class="phpdocumentor-element-found-in">
    919. 

  919.     <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>
    920. 

  920.     :
    921. 

  921.     <span class="phpdocumentor-element-found-in__line">336</span>
    922. 

  922. 

  923.     </aside>
    924. 

  924. 

  925.         <p class="phpdocumentor-summary">After a horizontal scan finds a potential finder pattern, this method
    926. 

  926. &quot;cross-checks&quot; by scanning down vertically through the center of the possible
    927. 

  927. finder pattern to see if the same proportion is detected.</p>
    928. 

  928. 

  929.     <code class="phpdocumentor-code phpdocumentor-signature ">
    930. 

  930.     <span class="phpdocumentor-signature__visibility">private</span>
    931. 

  931.                     <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>
    932. 

  932. 

  933.     <div class="phpdocumentor-label-line">
    934. 

  934.         </div>
    935. 

  935.     
    936. 

  936.         <section class="phpdocumentor-description"><p>$startI   row where a finder pattern was detected
    937. 

  937. $centerJ  center of the section that appears to cross a finder pattern
    938. 

  938. $maxCount maximum reasonable number of modules that should be
    939. 

  939. observed in any reading state, based on the results of the horizontal scan
    940. 

  940. $originalStateCountTotal</p>
    941. 

  941. <p>returns vertical center of finder pattern, or null if not found</p>
    942. 

  942. </section>
    943. 

  943. 

  944.         <h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
    945. 

  945.     <dl class="phpdocumentor-argument-list">
    946. 

  946.                     <dt class="phpdocumentor-argument-list__entry">
    947. 

  947.                 <span class="phpdocumentor-signature__argument__name">$startI</span>
    948. 

  948.                 : <span class="phpdocumentor-signature__argument__return-type">int</span>
    949. 

  949.                             </dt>
    950. 

  950.             <dd class="phpdocumentor-argument-list__definition">
    951. 

  951.                 
    952. 

  952.             </dd>
    953. 

  953.                     <dt class="phpdocumentor-argument-list__entry">
    954. 

  954.                 <span class="phpdocumentor-signature__argument__name">$centerJ</span>
    955. 

  955.                 : <span class="phpdocumentor-signature__argument__return-type">int</span>
    956. 

  956.                             </dt>
    957. 

  957.             <dd class="phpdocumentor-argument-list__definition">
    958. 

  958.                 
    959. 

  959.             </dd>
    960. 

  960.                     <dt class="phpdocumentor-argument-list__entry">
    961. 

  961.                 <span class="phpdocumentor-signature__argument__name">$maxCount</span>
    962. 

  962.                 : <span class="phpdocumentor-signature__argument__return-type">int</span>
    963. 

  963.                             </dt>
    964. 

  964.             <dd class="phpdocumentor-argument-list__definition">
    965. 

  965.                 
    966. 

  966.             </dd>
    967. 

  967.                     <dt class="phpdocumentor-argument-list__entry">
    968. 

  968.                 <span class="phpdocumentor-signature__argument__name">$originalStateCountTotal</span>
    969. 

  969.                 : <span class="phpdocumentor-signature__argument__return-type">int</span>
    970. 

  970.                             </dt>
    971. 

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

  972.                 
    973. 

  973.             </dd>
    974. 

  974.             </dl>
    975. 

  975. 

  976.     
    977. 

  977.     <h5 class="phpdocumentor-tag-list__heading" id="tags">
    978. 

  978.         Tags
    979. 

  979.         <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_crossCheckVertical#tags" class="headerlink"><i class="fas fa-link"></i></a>
    980. 

  980. 

  981.     </h5>
    982. 

  982.     <dl class="phpdocumentor-tag-list">
    983. 

  983.                                     <dt class="phpdocumentor-tag-list__entry">
    984. 

  984.                     <span class="phpdocumentor-tag__name">noinspection</span>
    985. 

  985.                 </dt>
    986. 

  986.                 <dd class="phpdocumentor-tag-list__definition">
    987. 

  987.                                                                                 
    988. 

  988.                                                  <section class="phpdocumentor-description"><p>DuplicatedCode</p>
    989. 

  989. </section>
    990. 

  990. 

  991.                                     </dd>
    992. 

  992.                                             </dl>
    993. 

  993. 

  994.     
    995. 

  995. 

  996.             <section>
    997. 

  997.         <h5 class="phpdocumentor-return-value__heading">Return values</h5>
    998. 

  998.         <span class="phpdocumentor-signature__response_type">float|null</span>
    999. 

  999.             </section>
    1000. 

  1000. 

  1001. </article>
    1002. 

  1002.                     <article
    1003. 

  1003.         class="phpdocumentor-element
    1004. 

  1004.             -method
    1005. 

  1005.             -private
    1006. 

  1006.                                                         "
    1007. 

  1007. >
    1008. 

  1008.     <h4 class="phpdocumentor-element__name" id="method_crossProductZ">
    1009. 

  1009.         crossProductZ()
    1010. 

  1010.         <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_crossProductZ" class="headerlink"><i class="fas fa-link"></i></a>
    1011. 

  1011. 

  1012.     </h4>
    1013. 

  1013.     <aside class="phpdocumentor-element-found-in">
    1014. 

  1014.     <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>
    1015. 

  1015.     :
    1016. 

  1016.     <span class="phpdocumentor-element-found-in__line">766</span>
    1017. 

  1017. 

  1018.     </aside>
    1019. 

  1019. 

  1020.         <p class="phpdocumentor-summary">Returns the z component of the cross product between vectors BC and BA.</p>
    1021. 

  1021. 

  1022.     <code class="phpdocumentor-code phpdocumentor-signature ">
    1023. 

  1023.     <span class="phpdocumentor-signature__visibility">private</span>
    1024. 

  1024.                     <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>
    1025. 

  1025. 

  1026.     <div class="phpdocumentor-label-line">
    1027. 

  1027.         </div>
    1028. 

  1028.     
    1029. 

  1029.     
    1030. 

  1030.         <h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
    1031. 

  1031.     <dl class="phpdocumentor-argument-list">
    1032. 

  1032.                     <dt class="phpdocumentor-argument-list__entry">
    1033. 

  1033.                 <span class="phpdocumentor-signature__argument__name">$pointA</span>
    1034. 

  1034.                 : <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>
    1035. 

  1035.                             </dt>
    1036. 

  1036.             <dd class="phpdocumentor-argument-list__definition">
    1037. 

  1037.                 
    1038. 

  1038.             </dd>
    1039. 

  1039.                     <dt class="phpdocumentor-argument-list__entry">
    1040. 

  1040.                 <span class="phpdocumentor-signature__argument__name">$pointB</span>
    1041. 

  1041.                 : <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>
    1042. 

  1042.                             </dt>
    1043. 

  1043.             <dd class="phpdocumentor-argument-list__definition">
    1044. 

  1044.                 
    1045. 

  1045.             </dd>
    1046. 

  1046.                     <dt class="phpdocumentor-argument-list__entry">
    1047. 

  1047.                 <span class="phpdocumentor-signature__argument__name">$pointC</span>
    1048. 

  1048.                 : <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>
    1049. 

  1049.                             </dt>
    1050. 

  1050.             <dd class="phpdocumentor-argument-list__definition">
    1051. 

  1051.                 
    1052. 

  1052.             </dd>
    1053. 

  1053.             </dl>
    1054. 

  1054. 

  1055.     
    1056. 

  1056. 

  1057.     
    1058. 

  1058. 

  1059.             <section>
    1060. 

  1060.         <h5 class="phpdocumentor-return-value__heading">Return values</h5>
    1061. 

  1061.         <span class="phpdocumentor-signature__response_type">float</span>
    1062. 

  1062.             </section>
    1063. 

  1063. 

  1064. </article>
    1065. 

  1065.                     <article
    1066. 

  1066.         class="phpdocumentor-element
    1067. 

  1067.             -method
    1068. 

  1068.             -private
    1069. 

  1069.                                                         "
    1070. 

  1070. >
    1071. 

  1071.     <h4 class="phpdocumentor-element__name" id="method_doShiftCounts2">
    1072. 

  1072.         doShiftCounts2()
    1073. 

  1073.         <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_doShiftCounts2" class="headerlink"><i class="fas fa-link"></i></a>
    1074. 

  1074. 

  1075.     </h4>
    1076. 

  1076.     <aside class="phpdocumentor-element-found-in">
    1077. 

  1077.     <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>
    1078. 

  1078.     :
    1079. 

  1079.     <span class="phpdocumentor-element-found-in__line">173</span>
    1080. 

  1080. 

  1081.     </aside>
    1082. 

  1082. 

  1083.     
    1084. 

  1084.     <code class="phpdocumentor-code phpdocumentor-signature ">
    1085. 

  1085.     <span class="phpdocumentor-signature__visibility">private</span>
    1086. 

  1086.                     <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>
    1087. 

  1087. 

  1088.     <div class="phpdocumentor-label-line">
    1089. 

  1089.         </div>
    1090. 

  1090.     
    1091. 

  1091.     
    1092. 

  1092.         <h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
    1093. 

  1093.     <dl class="phpdocumentor-argument-list">
    1094. 

  1094.                     <dt class="phpdocumentor-argument-list__entry">
    1095. 

  1095.                 <span class="phpdocumentor-signature__argument__name">$stateCount</span>
    1096. 

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

  1097.                             </dt>
    1098. 

  1098.             <dd class="phpdocumentor-argument-list__definition">
    1099. 

  1099.                 
    1100. 

  1100.             </dd>
    1101. 

  1101.             </dl>
    1102. 

  1102. 

  1103.     
    1104. 

  1104. 

  1105.     
    1106. 

  1106. 

  1107.             <section>
    1108. 

  1108.         <h5 class="phpdocumentor-return-value__heading">Return values</h5>
    1109. 

  1109.         <span class="phpdocumentor-signature__response_type">array&lt;string|int, int&gt;</span>
    1110. 

  1110.             </section>
    1111. 

  1111. 

  1112. </article>
    1113. 

  1113.                     <article
    1114. 

  1114.         class="phpdocumentor-element
    1115. 

  1115.             -method
    1116. 

  1116.             -private
    1117. 

  1117.                                                         "
    1118. 

  1118. >
    1119. 

  1119.     <h4 class="phpdocumentor-element__name" id="method_findRowSkip">
    1120. 

  1120.         findRowSkip()
    1121. 

  1121.         <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_findRowSkip" class="headerlink"><i class="fas fa-link"></i></a>
    1122. 

  1122. 

  1123.     </h4>
    1124. 

  1124.     <aside class="phpdocumentor-element-found-in">
    1125. 

  1125.     <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>
    1126. 

  1126.     :
    1127. 

  1127.     <span class="phpdocumentor-element-found-in__line">556</span>
    1128. 

  1128. 

  1129.     </aside>
    1130. 

  1130. 

  1131.     
    1132. 

  1132.     <code class="phpdocumentor-code phpdocumentor-signature ">
    1133. 

  1133.     <span class="phpdocumentor-signature__visibility">private</span>
    1134. 

  1134.                     <span class="phpdocumentor-signature__name">findRowSkip</span><span>(</span><span>)</span><span> : </span><span class="phpdocumentor-signature__response_type">int</span></code>
    1135. 

  1135. 

  1136.     <div class="phpdocumentor-label-line">
    1137. 

  1137.         </div>
    1138. 

  1138.     
    1139. 

  1139.     
    1140. 

  1140.     
    1141. 

  1141.     
    1142. 

  1142. 

  1143.     
    1144. 

  1144. 

  1145.             <section>
    1146. 

  1146.         <h5 class="phpdocumentor-return-value__heading">Return values</h5>
    1147. 

  1147.         <span class="phpdocumentor-signature__response_type">int</span>
    1148. 

  1148.                     &mdash;
    1149. 

  1149.                 <section class="phpdocumentor-description"><p>number of rows we could safely skip during scanning, based on the first
    1150. 

  1150. two finder patterns that have been located. In some cases their position will
    1151. 

  1151. allow us to infer that the third pattern must lie below a certain point farther
    1152. 

  1152. down in the image.</p>
    1153. 

  1153. </section>
    1154. 

  1154. 

  1155.             </section>
    1156. 

  1156. 

  1157. </article>
    1158. 

  1158.                     <article
    1159. 

  1159.         class="phpdocumentor-element
    1160. 

  1160.             -method
    1161. 

  1161.             -private
    1162. 

  1162.                                                         "
    1163. 

  1163. >
    1164. 

  1164.     <h4 class="phpdocumentor-element__name" id="method_foundPatternCross">
    1165. 

  1165.         foundPatternCross()
    1166. 

  1166.         <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_foundPatternCross" class="headerlink"><i class="fas fa-link"></i></a>
    1167. 

  1167. 

  1168.     </h4>
    1169. 

  1169.     <aside class="phpdocumentor-element-found-in">
    1170. 

  1170.     <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>
    1171. 

  1171.     :
    1172. 

  1172.     <span class="phpdocumentor-element-found-in__line">196</span>
    1173. 

  1173. 

  1174.     </aside>
    1175. 

  1175. 

  1176.     
    1177. 

  1177.     <code class="phpdocumentor-code phpdocumentor-signature ">
    1178. 

  1178.     <span class="phpdocumentor-signature__visibility">private</span>
    1179. 

  1179.                     <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>
    1180. 

  1180. 

  1181.     <div class="phpdocumentor-label-line">
    1182. 

  1182.         </div>
    1183. 

  1183.     
    1184. 

  1184.     
    1185. 

  1185.         <h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
    1186. 

  1186.     <dl class="phpdocumentor-argument-list">
    1187. 

  1187.                     <dt class="phpdocumentor-argument-list__entry">
    1188. 

  1188.                 <span class="phpdocumentor-signature__argument__name">$stateCount</span>
    1189. 

  1189.                 : <span class="phpdocumentor-signature__argument__return-type">array&lt;string|int, int&gt;</span>
    1190. 

  1190.                             </dt>
    1191. 

  1191.             <dd class="phpdocumentor-argument-list__definition">
    1192. 

  1192.                 
    1193. 

  1193.             </dd>
    1194. 

  1194.             </dl>
    1195. 

  1195. 

  1196.     
    1197. 

  1197. 

  1198.     
    1199. 

  1199. 

  1200.             <section>
    1201. 

  1201.         <h5 class="phpdocumentor-return-value__heading">Return values</h5>
    1202. 

  1202.         <span class="phpdocumentor-signature__response_type">bool</span>
    1203. 

  1203.             </section>
    1204. 

  1204. 

  1205. </article>
    1206. 

  1206.                     <article
    1207. 

  1207.         class="phpdocumentor-element
    1208. 

  1208.             -method
    1209. 

  1209.             -private
    1210. 

  1210.                                                         "
    1211. 

  1211. >
    1212. 

  1212.     <h4 class="phpdocumentor-element__name" id="method_foundPatternDiagonal">
    1213. 

  1213.         foundPatternDiagonal()
    1214. 

  1214.         <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_foundPatternDiagonal" class="headerlink"><i class="fas fa-link"></i></a>
    1215. 

  1215. 

  1216.     </h4>
    1217. 

  1217.     <aside class="phpdocumentor-element-found-in">
    1218. 

  1218.     <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>
    1219. 

  1219.     :
    1220. 

  1220.     <span class="phpdocumentor-element-found-in__line">204</span>
    1221. 

  1221. 

  1222.     </aside>
    1223. 

  1223. 

  1224.     
    1225. 

  1225.     <code class="phpdocumentor-code phpdocumentor-signature ">
    1226. 

  1226.     <span class="phpdocumentor-signature__visibility">private</span>
    1227. 

  1227.                     <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>
    1228. 

  1228. 

  1229.     <div class="phpdocumentor-label-line">
    1230. 

  1230.         </div>
    1231. 

  1231.     
    1232. 

  1232.     
    1233. 

  1233.         <h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
    1234. 

  1234.     <dl class="phpdocumentor-argument-list">
    1235. 

  1235.                     <dt class="phpdocumentor-argument-list__entry">
    1236. 

  1236.                 <span class="phpdocumentor-signature__argument__name">$stateCount</span>
    1237. 

  1237.                 : <span class="phpdocumentor-signature__argument__return-type">array&lt;string|int, int&gt;</span>
    1238. 

  1238.                             </dt>
    1239. 

  1239.             <dd class="phpdocumentor-argument-list__definition">
    1240. 

  1240.                 
    1241. 

  1241.             </dd>
    1242. 

  1242.             </dl>
    1243. 

  1243. 

  1244.     
    1245. 

  1245. 

  1246.     
    1247. 

  1247. 

  1248.             <section>
    1249. 

  1249.         <h5 class="phpdocumentor-return-value__heading">Return values</h5>
    1250. 

  1250.         <span class="phpdocumentor-signature__response_type">bool</span>
    1251. 

  1251.             </section>
    1252. 

  1252. 

  1253. </article>
    1254. 

  1254.                     <article
    1255. 

  1255.         class="phpdocumentor-element
    1256. 

  1256.             -method
    1257. 

  1257.             -private
    1258. 

  1258.                                                         "
    1259. 

  1259. >
    1260. 

  1260.     <h4 class="phpdocumentor-element__name" id="method_foundPatternVariance">
    1261. 

  1261.         foundPatternVariance()
    1262. 

  1262.         <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_foundPatternVariance" class="headerlink"><i class="fas fa-link"></i></a>
    1263. 

  1263. 

  1264.     </h4>
    1265. 

  1265.     <aside class="phpdocumentor-element-found-in">
    1266. 

  1266.     <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>
    1267. 

  1267.     :
    1268. 

  1268.     <span class="phpdocumentor-element-found-in__line">215</span>
    1269. 

  1269. 

  1270.     </aside>
    1271. 

  1271. 

  1272.     
    1273. 

  1273.     <code class="phpdocumentor-code phpdocumentor-signature ">
    1274. 

  1274.     <span class="phpdocumentor-signature__visibility">private</span>
    1275. 

  1275.                     <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>
    1276. 

  1276. 

  1277.     <div class="phpdocumentor-label-line">
    1278. 

  1278.         </div>
    1279. 

  1279.     
    1280. 

  1280.     
    1281. 

  1281.         <h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
    1282. 

  1282.     <dl class="phpdocumentor-argument-list">
    1283. 

  1283.                     <dt class="phpdocumentor-argument-list__entry">
    1284. 

  1284.                 <span class="phpdocumentor-signature__argument__name">$stateCount</span>
    1285. 

  1285.                 : <span class="phpdocumentor-signature__argument__return-type">array&lt;string|int, int&gt;</span>
    1286. 

  1286.                             </dt>
    1287. 

  1287.             <dd class="phpdocumentor-argument-list__definition">
    1288. 

  1288.                     <section class="phpdocumentor-description"><p>count of black/white/black/white/black pixels just read</p>
    1289. 

  1289. </section>
    1290. 

  1290. 

  1291.             </dd>
    1292. 

  1292.                     <dt class="phpdocumentor-argument-list__entry">
    1293. 

  1293.                 <span class="phpdocumentor-signature__argument__name">$variance</span>
    1294. 

  1294.                 : <span class="phpdocumentor-signature__argument__return-type">float</span>
    1295. 

  1295.                             </dt>
    1296. 

  1296.             <dd class="phpdocumentor-argument-list__definition">
    1297. 

  1297.                 
    1298. 

  1298.             </dd>
    1299. 

  1299.             </dl>
    1300. 

  1300. 

  1301.     
    1302. 

  1302. 

  1303.     
    1304. 

  1304. 

  1305.             <section>
    1306. 

  1306.         <h5 class="phpdocumentor-return-value__heading">Return values</h5>
    1307. 

  1307.         <span class="phpdocumentor-signature__response_type">bool</span>
    1308. 

  1308.                     &mdash;
    1309. 

  1309.                 <section class="phpdocumentor-description"><p>true if the proportions of the counts is close enough to the 1/1/3/1/1 ratios
    1310. 

  1310. used by finder patterns to be considered a match</p>
    1311. 

  1311. </section>
    1312. 

  1312. 

  1313.             </section>
    1314. 

  1314. 

  1315. </article>
    1316. 

  1316.                     <article
    1317. 

  1317.         class="phpdocumentor-element
    1318. 

  1318.             -method
    1319. 

  1319.             -private
    1320. 

  1320.                                                         "
    1321. 

  1321. >
    1322. 

  1322.     <h4 class="phpdocumentor-element__name" id="method_getCrossCheckStateCount">
    1323. 

  1323.         getCrossCheckStateCount()
    1324. 

  1324.         <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_getCrossCheckStateCount" class="headerlink"><i class="fas fa-link"></i></a>
    1325. 

  1325. 

  1326.     </h4>
    1327. 

  1327.     <aside class="phpdocumentor-element-found-in">
    1328. 

  1328.     <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>
    1329. 

  1329.     :
    1330. 

  1330.     <span class="phpdocumentor-element-found-in__line">164</span>
    1331. 

  1331. 

  1332.     </aside>
    1333. 

  1333. 

  1334.     
    1335. 

  1335.     <code class="phpdocumentor-code phpdocumentor-signature ">
    1336. 

  1336.     <span class="phpdocumentor-signature__visibility">private</span>
    1337. 

  1337.                     <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>
    1338. 

  1338. 

  1339.     <div class="phpdocumentor-label-line">
    1340. 

  1340.         </div>
    1341. 

  1341.     
    1342. 

  1342.     
    1343. 

  1343.     
    1344. 

  1344.     
    1345. 

  1345. 

  1346.     
    1347. 

  1347. 

  1348.             <section>
    1349. 

  1349.         <h5 class="phpdocumentor-return-value__heading">Return values</h5>
    1350. 

  1350.         <span class="phpdocumentor-signature__response_type">array&lt;string|int, int&gt;</span>
    1351. 

  1351.             </section>
    1352. 

  1352. 

  1353. </article>
    1354. 

  1354.                     <article
    1355. 

  1355.         class="phpdocumentor-element
    1356. 

  1356.             -method
    1357. 

  1357.             -private
    1358. 

  1358.                                                         "
    1359. 

  1359. >
    1360. 

  1360.     <h4 class="phpdocumentor-element__name" id="method_handlePossibleCenter">
    1361. 

  1361.         handlePossibleCenter()
    1362. 

  1362.         <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_handlePossibleCenter" class="headerlink"><i class="fas fa-link"></i></a>
    1363. 

  1363. 

  1364.     </h4>
    1365. 

  1365.     <aside class="phpdocumentor-element-found-in">
    1366. 

  1366.     <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>
    1367. 

  1367.     :
    1368. 

  1368.     <span class="phpdocumentor-element-found-in__line">513</span>
    1369. 

  1369. 

  1370.     </aside>
    1371. 

  1371. 

  1372.         <p class="phpdocumentor-summary">This is called when a horizontal scan finds a possible alignment pattern. It will
    1373. 

  1373. cross-check with a vertical scan, and if successful, will, ah, cross-cross-check
    1374. 

  1374. with another horizontal scan. This is needed primarily to locate the real horizontal
    1375. 

  1375. center of the pattern in cases of extreme skew.</p>
    1376. 

  1376. 

  1377.     <code class="phpdocumentor-code phpdocumentor-signature ">
    1378. 

  1378.     <span class="phpdocumentor-signature__visibility">private</span>
    1379. 

  1379.                     <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>
    1380. 

  1380. 

  1381.     <div class="phpdocumentor-label-line">
    1382. 

  1382.         </div>
    1383. 

  1383.     
    1384. 

  1384.         <section class="phpdocumentor-description"><p>And then we cross-cross-cross check with another diagonal scan.</p>
    1385. 

  1385. <p>If that succeeds the finder pattern location is added to a list that tracks
    1386. 

  1386. the number of times each location has been nearly-matched as a finder pattern.
    1387. 

  1387. Each additional find is more evidence that the location is in fact a finder
    1388. 

  1388. pattern center</p>
    1389. 

  1389. </section>
    1390. 

  1390. 

  1391.         <h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
    1392. 

  1392.     <dl class="phpdocumentor-argument-list">
    1393. 

  1393.                     <dt class="phpdocumentor-argument-list__entry">
    1394. 

  1394.                 <span class="phpdocumentor-signature__argument__name">$stateCount</span>
    1395. 

  1395.                 : <span class="phpdocumentor-signature__argument__return-type">array&lt;string|int, int&gt;</span>
    1396. 

  1396.                             </dt>
    1397. 

  1397.             <dd class="phpdocumentor-argument-list__definition">
    1398. 

  1398.                     <section class="phpdocumentor-description"><p>reading state module counts from horizontal scan</p>
    1399. 

  1399. </section>
    1400. 

  1400. 

  1401.             </dd>
    1402. 

  1402.                     <dt class="phpdocumentor-argument-list__entry">
    1403. 

  1403.                 <span class="phpdocumentor-signature__argument__name">$i</span>
    1404. 

  1404.                 : <span class="phpdocumentor-signature__argument__return-type">int</span>
    1405. 

  1405.                             </dt>
    1406. 

  1406.             <dd class="phpdocumentor-argument-list__definition">
    1407. 

  1407.                     <section class="phpdocumentor-description"><p>row where finder pattern may be found</p>
    1408. 

  1408. </section>
    1409. 

  1409. 

  1410.             </dd>
    1411. 

  1411.                     <dt class="phpdocumentor-argument-list__entry">
    1412. 

  1412.                 <span class="phpdocumentor-signature__argument__name">$j</span>
    1413. 

  1413.                 : <span class="phpdocumentor-signature__argument__return-type">int</span>
    1414. 

  1414.                             </dt>
    1415. 

  1415.             <dd class="phpdocumentor-argument-list__definition">
    1416. 

  1416.                     <section class="phpdocumentor-description"><p>end of possible finder pattern in row</p>
    1417. 

  1417. </section>
    1418. 

  1418. 

  1419.             </dd>
    1420. 

  1420.             </dl>
    1421. 

  1421. 

  1422.     
    1423. 

  1423. 

  1424.     
    1425. 

  1425. 

  1426.             <section>
    1427. 

  1427.         <h5 class="phpdocumentor-return-value__heading">Return values</h5>
    1428. 

  1428.         <span class="phpdocumentor-signature__response_type">bool</span>
    1429. 

  1429.                     &mdash;
    1430. 

  1430.                 <section class="phpdocumentor-description"><p>if a finder pattern candidate was found this time</p>
    1431. 

  1431. </section>
    1432. 

  1432. 

  1433.             </section>
    1434. 

  1434. 

  1435. </article>
    1436. 

  1436.                     <article
    1437. 

  1437.         class="phpdocumentor-element
    1438. 

  1438.             -method
    1439. 

  1439.             -private
    1440. 

  1440.                                                         "
    1441. 

  1441. >
    1442. 

  1442.     <h4 class="phpdocumentor-element__name" id="method_haveMultiplyConfirmedCenters">
    1443. 

  1443.         haveMultiplyConfirmedCenters()
    1444. 

  1444.         <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_haveMultiplyConfirmedCenters" class="headerlink"><i class="fas fa-link"></i></a>
    1445. 

  1445. 

  1446.     </h4>
    1447. 

  1447.     <aside class="phpdocumentor-element-found-in">
    1448. 

  1448.     <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>
    1449. 

  1449.     :
    1450. 

  1450.     <span class="phpdocumentor-element-found-in__line">594</span>
    1451. 

  1451. 

  1452.     </aside>
    1453. 

  1453. 

  1454.     
    1455. 

  1455.     <code class="phpdocumentor-code phpdocumentor-signature ">
    1456. 

  1456.     <span class="phpdocumentor-signature__visibility">private</span>
    1457. 

  1457.                     <span class="phpdocumentor-signature__name">haveMultiplyConfirmedCenters</span><span>(</span><span>)</span><span> : </span><span class="phpdocumentor-signature__response_type">bool</span></code>
    1458. 

  1458. 

  1459.     <div class="phpdocumentor-label-line">
    1460. 

  1460.         </div>
    1461. 

  1461.     
    1462. 

  1462.     
    1463. 

  1463.     
    1464. 

  1464.     
    1465. 

  1465. 

  1466.     
    1467. 

  1467. 

  1468.             <section>
    1469. 

  1469.         <h5 class="phpdocumentor-return-value__heading">Return values</h5>
    1470. 

  1470.         <span class="phpdocumentor-signature__response_type">bool</span>
    1471. 

  1471.                     &mdash;
    1472. 

  1472.                 <section class="phpdocumentor-description"><p>true if we have found at least 3 finder patterns that have been detected
    1473. 

  1473. at least #CENTER_QUORUM times each, and, the estimated module size of the
    1474. 

  1474. candidates is &quot;pretty similar&quot;</p>
    1475. 

  1475. </section>
    1476. 

  1476. 

  1477.             </section>
    1478. 

  1478. 

  1479. </article>
    1480. 

  1480.                     <article
    1481. 

  1481.         class="phpdocumentor-element
    1482. 

  1482.             -method
    1483. 

  1483.             -private
    1484. 

  1484.                                                         "
    1485. 

  1485. >
    1486. 

  1486.     <h4 class="phpdocumentor-element__name" id="method_orderBestPatterns">
    1487. 

  1487.         orderBestPatterns()
    1488. 

  1488.         <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_orderBestPatterns" class="headerlink"><i class="fas fa-link"></i></a>
    1489. 

  1489. 

  1490.     </h4>
    1491. 

  1491.     <aside class="phpdocumentor-element-found-in">
    1492. 

  1492.     <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>
    1493. 

  1493.     :
    1494. 

  1494.     <span class="phpdocumentor-element-found-in__line">732</span>
    1495. 

  1495. 

  1496.     </aside>
    1497. 

  1497. 

  1498.         <p class="phpdocumentor-summary">Orders an array of three ResultPoints in an order [A,B,C] such that AB is less than AC
    1499. 

  1499. and BC is less than AC, and the angle between BC and BA is less than 180 degrees.</p>
    1500. 

  1500. 

  1501.     <code class="phpdocumentor-code phpdocumentor-signature ">
    1502. 

  1502.     <span class="phpdocumentor-signature__visibility">private</span>
    1503. 

  1503.                     <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>
    1504. 

  1504. 

  1505.     <div class="phpdocumentor-label-line">
    1506. 

  1506.         </div>
    1507. 

  1507.     
    1508. 

  1508.     
    1509. 

  1509.         <h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
    1510. 

  1510.     <dl class="phpdocumentor-argument-list">
    1511. 

  1511.                     <dt class="phpdocumentor-argument-list__entry">
    1512. 

  1512.                 <span class="phpdocumentor-signature__argument__name">$patterns</span>
    1513. 

  1513.                 : <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>
    1514. 

  1514.                             </dt>
    1515. 

  1515.             <dd class="phpdocumentor-argument-list__definition">
    1516. 

  1516.                     <section class="phpdocumentor-description"><p>array of three FinderPattern to order</p>
    1517. 

  1517. </section>
    1518. 

  1518. 

  1519.             </dd>
    1520. 

  1520.             </dl>
    1521. 

  1521. 

  1522.     
    1523. 

  1523. 

  1524.     
    1525. 

  1525. 

  1526.             <section>
    1527. 

  1527.         <h5 class="phpdocumentor-return-value__heading">Return values</h5>
    1528. 

  1528.         <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>
    1529. 

  1529.             </section>
    1530. 

  1530. 

  1531. </article>
    1532. 

  1532.                     <article
    1533. 

  1533.         class="phpdocumentor-element
    1534. 

  1534.             -method
    1535. 

  1535.             -private
    1536. 

  1536.                                                         "
    1537. 

  1537. >
    1538. 

  1538.     <h4 class="phpdocumentor-element__name" id="method_selectBestPatterns">
    1539. 

  1539.         selectBestPatterns()
    1540. 

  1540.         <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_selectBestPatterns" class="headerlink"><i class="fas fa-link"></i></a>
    1541. 

  1541. 

  1542.     </h4>
    1543. 

  1543.     <aside class="phpdocumentor-element-found-in">
    1544. 

  1544.     <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>
    1545. 

  1545.     :
    1546. 

  1546.     <span class="phpdocumentor-element-found-in__line">629</span>
    1547. 

  1547. 

  1548.     </aside>
    1549. 

  1549. 

  1550.     
    1551. 

  1551.     <code class="phpdocumentor-code phpdocumentor-signature ">
    1552. 

  1552.     <span class="phpdocumentor-signature__visibility">private</span>
    1553. 

  1553.                     <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>
    1554. 

  1554. 

  1555.     <div class="phpdocumentor-label-line">
    1556. 

  1556.         </div>
    1557. 

  1557.     
    1558. 

  1558.     
    1559. 

  1559.     
    1560. 

  1560.     
    1561. 

  1561.     <h5 class="phpdocumentor-tag-list__heading" id="tags">
    1562. 

  1562.         Tags
    1563. 

  1563.         <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_selectBestPatterns#tags" class="headerlink"><i class="fas fa-link"></i></a>
    1564. 

  1564. 

  1565.     </h5>
    1566. 

  1566.     <dl class="phpdocumentor-tag-list">
    1567. 

  1567.                                     <dt class="phpdocumentor-tag-list__entry">
    1568. 

  1568.                     <span class="phpdocumentor-tag__name">throws</span>
    1569. 

  1569.                 </dt>
    1570. 

  1570.                 <dd class="phpdocumentor-tag-list__definition">
    1571. 

  1571.                                                                 <span class="phpdocumentor-tag-link"><a href="classes/chillerlan-QRCode-Detector-QRCodeDetectorException.html"><abbr title="\chillerlan\QRCode\Detector\QRCodeDetectorException">QRCodeDetectorException</abbr></a></span>
    1572. 

  1572.                                                             
    1573. 

  1573.                                                  <section class="phpdocumentor-description"><p>if 3 such finder patterns do not exist</p>
    1574. 

  1574. </section>
    1575. 

  1575. 

  1576.                                     </dd>
    1577. 

  1577.                                             </dl>
    1578. 

  1578. 

  1579.     
    1580. 

  1580. 

  1581.             <section>
    1582. 

  1582.         <h5 class="phpdocumentor-return-value__heading">Return values</h5>
    1583. 

  1583.         <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>
    1584. 

  1584.                     &mdash;
    1585. 

  1585.                 <section class="phpdocumentor-description"><p>the 3 best FinderPatterns from our list of candidates. The &quot;best&quot; are
    1586. 

  1586. those that have been detected at least #CENTER_QUORUM times, and whose module
    1587. 

  1587. size differs from the average among those patterns the least</p>
    1588. 

  1588. </section>
    1589. 

  1589. 

  1590.             </section>
    1591. 

  1591. 

  1592. </article>
    1593. 

  1593.             </section>
    1594. 

  1594. 

  1595.         <div class="phpdocumentor-modal" id="source-view">
    1596. 

  1596.     <div class="phpdocumentor-modal-bg" data-exit-button></div>
    1597. 

  1597.     <div class="phpdocumentor-modal-container">
    1598. 

  1598.         <div class="phpdocumentor-modal-content">
    1599. 

  1599.             <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>
    1600. 

  1600.         </div>
    1601. 

  1601.         <button data-exit-button class="phpdocumentor-modal__close">&times;</button>
    1602. 

  1602.     </div>
    1603. 

  1603. </div>
    1604. 

  1604. 

  1605.     <script type="text/javascript">
    1606. 

  1606.         (function () {
    1607. 

  1607.             function loadExternalCodeSnippet(el, url, line) {
    1608. 

  1608.                 Array.prototype.slice.call(el.querySelectorAll('pre[data-src]')).forEach((pre) => {
    1609. 

  1609.                     const src = url || pre.getAttribute('data-src').replace(/\\/g, '/');
    1610. 

  1610.                     const language = 'php';
    1611. 

  1611. 

  1612.                     const code = document.createElement('code');
    1613. 

  1613.                     code.className = 'language-' + language;
    1614. 

  1614.                     pre.textContent = '';
    1615. 

  1615.                     pre.setAttribute('data-line', line)
    1616. 

  1616.                     code.textContent = 'Loading…';
    1617. 

  1617.                     pre.appendChild(code);
    1618. 

  1618. 

  1619.                     var xhr = new XMLHttpRequest();
    1620. 

  1620. 

  1621.                     xhr.open('GET', src, true);
    1622. 

  1622. 

  1623.                     xhr.onreadystatechange = function () {
    1624. 

  1624.                         if (xhr.readyState !== 4) {
    1625. 

  1625.                             return;
    1626. 

  1626.                         }
    1627. 

  1627. 

  1628.                         if (xhr.status < 400 && xhr.responseText) {
    1629. 

  1629.                             code.textContent = xhr.responseText;
    1630. 

  1630.                             Prism.highlightElement(code);
    1631. 

  1631.                             d=document.getElementsByClassName("line-numbers");
    1632. 

  1632.                             d[0].scrollTop = d[0].children[1].offsetTop;
    1633. 

  1633.                             return;
    1634. 

  1634.                         }
    1635. 

  1635. 

  1636.                         if (xhr.status === 404) {
    1637. 

  1637.                             code.textContent = '✖ Error: File could not be found';
    1638. 

  1638.                             return;
    1639. 

  1639.                         }
    1640. 

  1640. 

  1641.                         if (xhr.status >= 400) {
    1642. 

  1642.                             code.textContent = '✖ Error ' + xhr.status + ' while fetching file: ' + xhr.statusText;
    1643. 

  1643.                             return;
    1644. 

  1644.                         }
    1645. 

  1645. 

  1646.                         code.textContent = '✖ Error: An unknown error occurred';
    1647. 

  1647.                     };
    1648. 

  1648. 

  1649.                     xhr.send(null);
    1650. 

  1650.                 });
    1651. 

  1651.             }
    1652. 

  1652. 

  1653.             const modalButtons = document.querySelectorAll("[data-modal]");
    1654. 

  1654.             const openedAsLocalFile = window.location.protocol === 'file:';
    1655. 

  1655.             if (modalButtons.length > 0 && openedAsLocalFile) {
    1656. 

  1656.                 console.warn(
    1657. 

  1657.                     'Viewing the source code is unavailable because you are opening this page from the file:// scheme; ' +
    1658. 

  1658.                     'browsers block XHR requests when a page is opened this way'
    1659. 

  1659.                 );
    1660. 

  1660.             }
    1661. 

  1661. 

  1662.             modalButtons.forEach(function (trigger) {
    1663. 

  1663.                 if (openedAsLocalFile) {
    1664. 

  1664.                     trigger.setAttribute("hidden", "hidden");
    1665. 

  1665.                 }
    1666. 

  1666. 

  1667.                 trigger.addEventListener("click", function (event) {
    1668. 

  1668.                     event.preventDefault();
    1669. 

  1669.                     const modal = document.getElementById(trigger.dataset.modal);
    1670. 

  1670.                     if (!modal) {
    1671. 

  1671.                         console.error(`Modal with id "${trigger.dataset.modal}" could not be found`);
    1672. 

  1672.                         return;
    1673. 

  1673.                     }
    1674. 

  1674.                     modal.classList.add("phpdocumentor-modal__open");
    1675. 

  1675. 

  1676.                     loadExternalCodeSnippet(modal, trigger.dataset.src || null, trigger.dataset.line)
    1677. 

  1677.                     const exits = modal.querySelectorAll("[data-exit-button]");
    1678. 

  1678.                     exits.forEach(function (exit) {
    1679. 

  1679.                         exit.addEventListener("click", function (event) {
    1680. 

  1680.                             event.preventDefault();
    1681. 

  1681.                             modal.classList.remove("phpdocumentor-modal__open");
    1682. 

  1682.                         });
    1683. 

  1683.                     });
    1684. 

  1684.                 });
    1685. 

  1685.             });
    1686. 

  1686.         })();
    1687. 

  1687.     </script>
    1688. 

  1688. 

  1689.     </article>
    1690. 

  1690.                                 </section>
    1691. 

  1691.                 <section class="phpdocumentor-on-this-page__sidebar">
    1692. 

  1692.                                 
    1693. 

  1693.     <section class="phpdocumentor-on-this-page__content">
    1694. 

  1694.         <strong class="phpdocumentor-on-this-page__title">On this page</strong>
    1695. 

  1695. 

  1696.         <ul class="phpdocumentor-list -clean">
    1697. 

  1697.             <li class="phpdocumentor-on-this-page-section__title">Table Of Contents</li>
    1698. 

  1698.             <li>
    1699. 

  1699.                 <ul class="phpdocumentor-list -clean">
    1700. 

  1700.                                         <li><a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#toc-constants">Constants</a></li>
    1701. 

  1701.                                                             <li><a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#toc-properties">Properties</a></li>
    1702. 

  1702.                                                             <li><a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#toc-methods">Methods</a></li>
    1703. 

  1703.                                     </ul>
    1704. 

  1704.             </li>
    1705. 

  1705.                             <li class="phpdocumentor-on-this-page-section__title">Constants</li>
    1706. 

  1706.                 <li>
    1707. 

  1707.                     <ul class="phpdocumentor-list -clean">
    1708. 

  1708.                                                     <li class=""><a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#constant_CENTER_QUORUM">CENTER_QUORUM</a></li>
    1709. 

  1709.                                                     <li class=""><a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#constant_MAX_MODULES">MAX_MODULES</a></li>
    1710. 

  1710.                                                     <li class=""><a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#constant_MIN_SKIP">MIN_SKIP</a></li>
    1711. 

  1711.                                             </ul>
    1712. 

  1712.                 </li>
    1713. 

  1713.             
    1714. 

  1714.                             <li class="phpdocumentor-on-this-page-section__title">Properties</li>
    1715. 

  1715.                 <li>
    1716. 

  1716.                     <ul class="phpdocumentor-list -clean">
    1717. 

  1717.                                                     <li class=""><a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#property_hasSkipped">$hasSkipped</a></li>
    1718. 

  1718.                                                     <li class=""><a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#property_matrix">$matrix</a></li>
    1719. 

  1719.                                                     <li class=""><a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#property_possibleCenters">$possibleCenters</a></li>
    1720. 

  1720.                                             </ul>
    1721. 

  1721.                 </li>
    1722. 

  1722.             
    1723. 

  1723.                         <li class="phpdocumentor-on-this-page-section__title">Methods</li>
    1724. 

  1724.             <li>
    1725. 

  1725.                 <ul class="phpdocumentor-list -clean">
    1726. 

  1726.                                             <li class=""><a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method___construct">__construct()</a></li>
    1727. 

  1727.                                             <li class=""><a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_find">find()</a></li>
    1728. 

  1728.                                             <li class=""><a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_centerFromEnd">centerFromEnd()</a></li>
    1729. 

  1729.                                             <li class=""><a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_crossCheckDiagonal">crossCheckDiagonal()</a></li>
    1730. 

  1730.                                             <li class=""><a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_crossCheckHorizontal">crossCheckHorizontal()</a></li>
    1731. 

  1731.                                             <li class=""><a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_crossCheckVertical">crossCheckVertical()</a></li>
    1732. 

  1732.                                             <li class=""><a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_crossProductZ">crossProductZ()</a></li>
    1733. 

  1733.                                             <li class=""><a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_doShiftCounts2">doShiftCounts2()</a></li>
    1734. 

  1734.                                             <li class=""><a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_findRowSkip">findRowSkip()</a></li>
    1735. 

  1735.                                             <li class=""><a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_foundPatternCross">foundPatternCross()</a></li>
    1736. 

  1736.                                             <li class=""><a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_foundPatternDiagonal">foundPatternDiagonal()</a></li>
    1737. 

  1737.                                             <li class=""><a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_foundPatternVariance">foundPatternVariance()</a></li>
    1738. 

  1738.                                             <li class=""><a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_getCrossCheckStateCount">getCrossCheckStateCount()</a></li>
    1739. 

  1739.                                             <li class=""><a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_handlePossibleCenter">handlePossibleCenter()</a></li>
    1740. 

  1740.                                             <li class=""><a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_haveMultiplyConfirmedCenters">haveMultiplyConfirmedCenters()</a></li>
    1741. 

  1741.                                             <li class=""><a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_orderBestPatterns">orderBestPatterns()</a></li>
    1742. 

  1742.                                             <li class=""><a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#method_selectBestPatterns">selectBestPatterns()</a></li>
    1743. 

  1743.                                     </ul>
    1744. 

  1744.             </li>
    1745. 

  1745.                     </ul>
    1746. 

  1746.     </section>
    1747. 

  1747. 

  1748.                 </section>
    1749. 

  1749.                             </div>
    1750. 

  1750.             <section data-search-results class="phpdocumentor-search-results phpdocumentor-search-results--hidden">
    1751. 

  1751.     <section class="phpdocumentor-search-results__dialog">
    1752. 

  1752.         <header class="phpdocumentor-search-results__header">
    1753. 

  1753.             <h2 class="phpdocumentor-search-results__title">Search results</h2>
    1754. 

  1754.             <button class="phpdocumentor-search-results__close"><i class="fas fa-times"></i></button>
    1755. 

  1755.         </header>
    1756. 

  1756.         <section class="phpdocumentor-search-results__body">
    1757. 

  1757.             <ul class="phpdocumentor-search-results__entries"></ul>
    1758. 

  1758.         </section>
    1759. 

  1759.     </section>
    1760. 

  1760. </section>
    1761. 

  1761.         </div>
    1762. 

  1762.         <a href="classes/chillerlan-QRCode-Detector-FinderPatternFinder.html#top" class="phpdocumentor-back-to-top"><i class="fas fa-chevron-circle-up"></i></a>
    1763. 

  1763. 

  1764.     </main>
    1765. 

  1765. 

  1766.     <script>
    1767. 

  1767.         cssVars({});
    1768. 

  1768.     </script>
    1769. 

  1769.     <script src="https://cdn.jsdelivr.net/npm/prismjs@1.23.0/prism.min.js"></script>
    1770. 

  1770.     <script src="https://cdn.jsdelivr.net/npm/prismjs@1.23.0/plugins/autoloader/prism-autoloader.min.js"></script>
    1771. 

  1771.     <script src="https://cdn.jsdelivr.net/npm/prismjs@1.23.0/plugins/line-numbers/prism-line-numbers.min.js"></script>
    1772. 

  1772.     <script src="https://cdn.jsdelivr.net/npm/prismjs@1.23.0/plugins/line-highlight/prism-line-highlight.min.js"></script>
    1773. 

  1773. </body>
    1774. 

  1774. </html>
    1775.