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QRCodeEncoder.html

QRCodeEncoder.html 23 KB
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  7. <title>QRCodeEncoder (OpenCV 4.8.0 Java documentation)</title>
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  103. <div class="header">
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  104. <div class="subTitle">org.opencv.objdetect</div>
    105. 

  105. <h2 title="Class QRCodeEncoder" class="title">Class QRCodeEncoder</h2>
    106. 

  106. </div>
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  107. <div class="contentContainer">
    108. 

  108. <ul class="inheritance">
    109. 

  109. <li>java.lang.Object</li>
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  110. <li>
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  111. <ul class="inheritance">
    112. 

  112. <li>org.opencv.objdetect.QRCodeEncoder</li>
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  121. <pre>public class <span class="typeNameLabel">QRCodeEncoder</span>
    122. 

  122. extends java.lang.Object</pre>
    123. 

  123. <div class="block">Groups the object candidate rectangles.
    124. 

  124.      rectList  Input/output vector of rectangles. Output vector includes retained and grouped rectangles. (The Python list is not modified in place.)
    125. 

  125.      weights Input/output vector of weights of rectangles. Output vector includes weights of retained and grouped rectangles. (The Python list is not modified in place.)
    126. 

  126.      groupThreshold Minimum possible number of rectangles minus 1. The threshold is used in a group of rectangles to retain it.
    127. 

  127.      eps Relative difference between sides of the rectangles to merge them into a group.</div>
    128. 

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  139. <h3>Field Summary</h3>
    140. 

  140. <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Field Summary table, listing fields, and an explanation">
    141. 

  141. <caption><span>Fields</span><span class="tabEnd">&nbsp;</span></caption>
    142. 

  142. <tr>
    143. 

  143. <th class="colFirst" scope="col">Modifier and Type</th>
    144. 

  144. <th class="colLast" scope="col">Field and Description</th>
    145. 

  145. </tr>
    146. 

  146. <tr class="altColor">
    147. 

  147. <td class="colFirst"><code>static int</code></td>
    148. 

  148. <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/objdetect/QRCodeEncoder.html#CORRECT_LEVEL_H">CORRECT_LEVEL_H</a></span></code>&nbsp;</td>
    149. 

  149. </tr>
    150. 

  150. <tr class="rowColor">
    151. 

  151. <td class="colFirst"><code>static int</code></td>
    152. 

  152. <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/objdetect/QRCodeEncoder.html#CORRECT_LEVEL_L">CORRECT_LEVEL_L</a></span></code>&nbsp;</td>
    153. 

  153. </tr>
    154. 

  154. <tr class="altColor">
    155. 

  155. <td class="colFirst"><code>static int</code></td>
    156. 

  156. <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/objdetect/QRCodeEncoder.html#CORRECT_LEVEL_M">CORRECT_LEVEL_M</a></span></code>&nbsp;</td>
    157. 

  157. </tr>
    158. 

  158. <tr class="rowColor">
    159. 

  159. <td class="colFirst"><code>static int</code></td>
    160. 

  160. <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/objdetect/QRCodeEncoder.html#CORRECT_LEVEL_Q">CORRECT_LEVEL_Q</a></span></code>&nbsp;</td>
    161. 

  161. </tr>
    162. 

  162. <tr class="altColor">
    163. 

  163. <td class="colFirst"><code>static int</code></td>
    164. 

  164. <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/objdetect/QRCodeEncoder.html#ECI_UTF8">ECI_UTF8</a></span></code>&nbsp;</td>
    165. 

  165. </tr>
    166. 

  166. <tr class="rowColor">
    167. 

  167. <td class="colFirst"><code>static int</code></td>
    168. 

  168. <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/objdetect/QRCodeEncoder.html#MODE_ALPHANUMERIC">MODE_ALPHANUMERIC</a></span></code>&nbsp;</td>
    169. 

  169. </tr>
    170. 

  170. <tr class="altColor">
    171. 

  171. <td class="colFirst"><code>static int</code></td>
    172. 

  172. <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/objdetect/QRCodeEncoder.html#MODE_AUTO">MODE_AUTO</a></span></code>&nbsp;</td>
    173. 

  173. </tr>
    174. 

  174. <tr class="rowColor">
    175. 

  175. <td class="colFirst"><code>static int</code></td>
    176. 

  176. <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/objdetect/QRCodeEncoder.html#MODE_BYTE">MODE_BYTE</a></span></code>&nbsp;</td>
    177. 

  177. </tr>
    178. 

  178. <tr class="altColor">
    179. 

  179. <td class="colFirst"><code>static int</code></td>
    180. 

  180. <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/objdetect/QRCodeEncoder.html#MODE_ECI">MODE_ECI</a></span></code>&nbsp;</td>
    181. 

  181. </tr>
    182. 

  182. <tr class="rowColor">
    183. 

  183. <td class="colFirst"><code>static int</code></td>
    184. 

  184. <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/objdetect/QRCodeEncoder.html#MODE_KANJI">MODE_KANJI</a></span></code>&nbsp;</td>
    185. 

  185. </tr>
    186. 

  186. <tr class="altColor">
    187. 

  187. <td class="colFirst"><code>static int</code></td>
    188. 

  188. <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/objdetect/QRCodeEncoder.html#MODE_NUMERIC">MODE_NUMERIC</a></span></code>&nbsp;</td>
    189. 

  189. </tr>
    190. 

  190. <tr class="rowColor">
    191. 

  191. <td class="colFirst"><code>static int</code></td>
    192. 

  192. <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/objdetect/QRCodeEncoder.html#MODE_STRUCTURED_APPEND">MODE_STRUCTURED_APPEND</a></span></code>&nbsp;</td>
    193. 

  193. </tr>
    194. 

  194. </table>
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  202. <h3>Method Summary</h3>
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    204. 

  204. <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
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  206. <th class="colFirst" scope="col">Modifier and Type</th>
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  207. <th class="colLast" scope="col">Method and Description</th>
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  208. </tr>
    209. 

  209. <tr id="i0" class="altColor">
    210. 

  210. <td class="colFirst"><code>static <a href="../../../org/opencv/objdetect/QRCodeEncoder.html" title="class in org.opencv.objdetect">QRCodeEncoder</a></code></td>
    211. 

  211. <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/objdetect/QRCodeEncoder.html#Z:Z__fromPtr__-long-">__fromPtr__</a></span>(long&nbsp;addr)</code>&nbsp;</td>
    212. 

  212. </tr>
    213. 

  213. <tr id="i1" class="rowColor">
    214. 

  214. <td class="colFirst"><code>static <a href="../../../org/opencv/objdetect/QRCodeEncoder.html" title="class in org.opencv.objdetect">QRCodeEncoder</a></code></td>
    215. 

  215. <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/objdetect/QRCodeEncoder.html#create--">create</a></span>()</code>
    216. 

  216. <div class="block">Constructor</div>
    217. 

  217. </td>
    218. 

  218. </tr>
    219. 

  219. <tr id="i2" class="altColor">
    220. 

  220. <td class="colFirst"><code>static <a href="../../../org/opencv/objdetect/QRCodeEncoder.html" title="class in org.opencv.objdetect">QRCodeEncoder</a></code></td>
    221. 

  221. <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/objdetect/QRCodeEncoder.html#create-org.opencv.objdetect.QRCodeEncoder_Params-">create</a></span>(<a href="../../../org/opencv/objdetect/QRCodeEncoder_Params.html" title="class in org.opencv.objdetect">QRCodeEncoder_Params</a>&nbsp;parameters)</code>
    222. 

  222. <div class="block">Constructor</div>
    223. 

  223. </td>
    224. 

  224. </tr>
    225. 

  225. <tr id="i3" class="rowColor">
    226. 

  226. <td class="colFirst"><code>void</code></td>
    227. 

  227. <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/objdetect/QRCodeEncoder.html#encode-java.lang.String-org.opencv.core.Mat-">encode</a></span>(java.lang.String&nbsp;encoded_info,
    228. 

  228.       <a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>&nbsp;qrcode)</code>
    229. 

  229. <div class="block">Generates QR code from input string.</div>
    230. 

  230. </td>
    231. 

  231. </tr>
    232. 

  232. <tr id="i4" class="altColor">
    233. 

  233. <td class="colFirst"><code>void</code></td>
    234. 

  234. <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/objdetect/QRCodeEncoder.html#encodeStructuredAppend-java.lang.String-java.util.List-">encodeStructuredAppend</a></span>(java.lang.String&nbsp;encoded_info,
    235. 

  235.                       java.util.List&lt;<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>&gt;&nbsp;qrcodes)</code>
    236. 

  236. <div class="block">Generates QR code from input string in Structured Append mode.</div>
    237. 

  237. </td>
    238. 

  238. </tr>
    239. 

  239. <tr id="i5" class="rowColor">
    240. 

  240. <td class="colFirst"><code>long</code></td>
    241. 

  241. <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/objdetect/QRCodeEncoder.html#getNativeObjAddr--">getNativeObjAddr</a></span>()</code>&nbsp;</td>
    242. 

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  247. </a>
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  248. <h3>Methods inherited from class&nbsp;java.lang.Object</h3>
    249. 

  249. <code>equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
    250. 

  250. </ul>
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  251. </li>
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  264. <h3>Field Detail</h3>
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  270. <h4>CORRECT_LEVEL_H</h4>
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  271. <pre>public static final&nbsp;int CORRECT_LEVEL_H</pre>
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  272. <dl>
    273. 

  273. <dt><span class="seeLabel">See Also:</span></dt>
    274. 

  274. <dd><a href="../../../constant-values.html#org.opencv.objdetect.QRCodeEncoder.CORRECT_LEVEL_H">Constant Field Values</a></dd>
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  283. <h4>CORRECT_LEVEL_L</h4>
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  284. <pre>public static final&nbsp;int CORRECT_LEVEL_L</pre>
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  285. <dl>
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  286. <dt><span class="seeLabel">See Also:</span></dt>
    287. 

  287. <dd><a href="../../../constant-values.html#org.opencv.objdetect.QRCodeEncoder.CORRECT_LEVEL_L">Constant Field Values</a></dd>
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  297. <pre>public static final&nbsp;int CORRECT_LEVEL_M</pre>
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  298. <dl>
    299. 

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  460. <dl>
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  461. <dt><span class="paramLabel">Parameters:</span></dt>
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  462. <dd><code>parameters</code> - QR code encoder parameters QRCodeEncoder::Params</dd>
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  475.                    <a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>&nbsp;qrcode)</pre>
    476. 

  476. <div class="block">Generates QR code from input string.</div>
    477. 

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  478. <dt><span class="paramLabel">Parameters:</span></dt>
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  479. <dd><code>encoded_info</code> - Input string to encode.</dd>
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  480. <dd><code>qrcode</code> - Generated QR code.</dd>
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  490. <pre>public&nbsp;void&nbsp;encodeStructuredAppend(java.lang.String&nbsp;encoded_info,
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  491.                                    java.util.List&lt;<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>&gt;&nbsp;qrcodes)</pre>
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  492. <div class="block">Generates QR code from input string in Structured Append mode. The encoded message is splitting over a number of QR codes.</div>
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