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  1. <!DOCTYPE html>

  2. <html lang="en">

  3. <head>

  4.     <meta charset="utf-8">

  5.     <title>JSDoc: Module: StackBlur</title>

  6. 

  7.     <script src="scripts/prettify/prettify.js"> </script>

  8.     <script src="scripts/prettify/lang-css.js"> </script>

  9.     <!--[if lt IE 9]>

  10.       <script src="//html5shiv.googlecode.com/svn/trunk/html5.js"></script>

  11.     <![endif]-->

  12.     <link type="text/css" rel="stylesheet" href="styles/prettify-tomorrow.css">

  13.     <link type="text/css" rel="stylesheet" href="styles/jsdoc-default.css">

  14. </head>

  15. 

  16. <body>

  17. 

  18. <div id="main">

  19. 

  20.     <h1 class="page-title">Module: StackBlur</h1>

  21. 

  22.     

  23. 

  24. 

  25. 

  26. 

  27. <section>

  28. 

  29. <header>

  30.     

  31.         

  32.             

  33.         

  34.     

  35. </header>

  36. 

  37. <article>

  38.     <div class="container-overview">

  39.     

  40.         

  41.             <div class="description"><p>StackBlur - a fast almost Gaussian Blur For Canvas</p>

  42. <p>In case you find this class useful - especially in commercial projects -

  43. I am not totally unhappy for a small donation to my PayPal account

  44. <a href="mailto:mario@quasimondo.de">mario@quasimondo.de</a></p>

  45. <p>Or support me on flattr:

  46. <a href="https://flattr.com/thing/72791/StackBlur-a-fast-almost-Gaussian-Blur-Effect-for-CanvasJavascript">https://flattr.com/thing/72791/StackBlur-a-fast-almost-Gaussian-Blur-Effect-for-CanvasJavascript</a></p></div>

  47.         

  48. 

  49.         

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  61. 

  62. 

  63. 

  64. 

  65. 

  66. <dl class="details">

  67. 

  68.     

  69.     <dt class="tag-version">Version:</dt>

  70.     <dd class="tag-version"><ul class="dummy"><li>0.5</li></ul></dd>

  71.     

  72. 

  73.     

  74. 

  75.     

  76. 

  77.     

  78. 

  79.     

  80. 

  81.     

  82. 

  83.     

  84. 

  85.     

  86. 

  87.     

  88.     <dt class="tag-author">Author:</dt>

  89.     <dd class="tag-author">

  90.         <ul>

  91.             <li>Mario Klingemann

  92. Contact: mario@quasimondo.com

  93. Website: <a href="http://www.quasimondo.com/StackBlurForCanvas/StackBlurDemo.html">http://www.quasimondo.com/StackBlurForCanvas/StackBlurDemo.html</a>

  94. Twitter: @quasimondo</li>

  95.         </ul>

  96.     </dd>

  97.     

  98. 

  99.     

  100.     <dt class="tag-copyright">Copyright:</dt>

  101.     <dd class="tag-copyright"><ul class="dummy"><li>(c) 2010 Mario Klingemann

  102. 

  103. Permission is hereby granted, free of charge, to any person

  104. obtaining a copy of this software and associated documentation

  105. files (the "Software"), to deal in the Software without

  106. restriction, including without limitation the rights to use,

  107. copy, modify, merge, publish, distribute, sublicense, and/or sell

  108. copies of the Software, and to permit persons to whom the

  109. Software is furnished to do so, subject to the following

  110. conditions:

  111. 

  112. The above copyright notice and this permission notice shall be

  113. included in all copies or substantial portions of the Software.

  114. 

  115. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,

  116. EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES

  117. OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND

  118. NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT

  119. HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,

  120. WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING

  121. FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR

  122. OTHER DEALINGS IN THE SOFTWARE.</li></ul></dd>

  123.     

  124. 

  125.     

  126. 

  127.     

  128. 

  129.     

  130.     <dt class="tag-source">Source:</dt>

  131.     <dd class="tag-source"><ul class="dummy"><li>

  132.         <a href="stackblur.js.html">stackblur.js</a>, <a href="stackblur.js.html#line1">line 1</a>

  133.     </li></ul></dd>

  134.     

  135. 

  136.     

  137. 

  138.     

  139. 

  140.     

  141. </dl>

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  159. 

  160.         

  161.     

  162.     </div>

  163. 

  164.     

  165. 

  166.     

  167. 

  168.     

  169.         <h3 class="subsection-title">Classes</h3>

  170. 

  171.         <dl>

  172.             <dt><a href="module-StackBlur.BlurStack.html">BlurStack</a></dt>

  173.             <dd></dd>

  174.         </dl>

  175.     

  176. 

  177.     

  178. 

  179.     

  180. 

  181.     

  182. 

  183.     

  184. 

  185.     

  186.         <h3 class="subsection-title">Methods</h3>

  187. 

  188.         

  189.             

  190. 

  191.     

  192. 

  193.     

  194.     <h4 class="name" id=".canvasRGB"><span class="type-signature">(static) </span>canvasRGB<span class="signature">()</span><span class="type-signature"></span></h4>

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  239.     

  240.     <dt class="tag-source">Source:</dt>

  241.     <dd class="tag-source"><ul class="dummy"><li>

  242.         <a href="stackblur.js.html">stackblur.js</a>, <a href="stackblur.js.html#line640">line 640</a>

  243.     </li></ul></dd>

  244.     

  245. 

  246.     

  247. 

  248.     

  249.     <dt class="tag-see">See:</dt>

  250.     <dd class="tag-see">

  251.         <ul>

  252.             <li><a href="module-StackBlur.html#~processCanvasRGB">module:StackBlur~processCanvasRGB</a></li>

  253.         </ul>

  254.     </dd>

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  258. </dl>

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  277.         

  278.             

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  280.     

  281. 

  282.     

  283.     <h4 class="name" id=".canvasRGBA"><span class="type-signature">(static) </span>canvasRGBA<span class="signature">()</span><span class="type-signature"></span></h4>

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  327. 

  328.     

  329.     <dt class="tag-source">Source:</dt>

  330.     <dd class="tag-source"><ul class="dummy"><li>

  331.         <a href="stackblur.js.html">stackblur.js</a>, <a href="stackblur.js.html#line635">line 635</a>

  332.     </li></ul></dd>

  333.     

  334. 

  335.     

  336. 

  337.     

  338.     <dt class="tag-see">See:</dt>

  339.     <dd class="tag-see">

  340.         <ul>

  341.             <li><a href="module-StackBlur.html#~processCanvasRGBA">module:StackBlur~processCanvasRGBA</a></li>

  342.         </ul>

  343.     </dd>

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  347. </dl>

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  369.     

  370. 

  371.     

  372.     <h4 class="name" id=".image"><span class="type-signature">(static) </span>image<span class="signature">()</span><span class="type-signature"></span></h4>

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  415.     

  416. 

  417.     

  418.     <dt class="tag-source">Source:</dt>

  419.     <dd class="tag-source"><ul class="dummy"><li>

  420.         <a href="stackblur.js.html">stackblur.js</a>, <a href="stackblur.js.html#line630">line 630</a>

  421.     </li></ul></dd>

  422.     

  423. 

  424.     

  425. 

  426.     

  427.     <dt class="tag-see">See:</dt>

  428.     <dd class="tag-see">

  429.         <ul>

  430.             <li><a href="module-StackBlur.html#~processImage">module:StackBlur~processImage</a></li>

  431.         </ul>

  432.     </dd>

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  456.             

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  459. 

  460.     

  461.     <h4 class="name" id=".imageDataRGB"><span class="type-signature">(static) </span>imageDataRGB<span class="signature">()</span><span class="type-signature"></span></h4>

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  505. 

  506.     

  507.     <dt class="tag-source">Source:</dt>

  508.     <dd class="tag-source"><ul class="dummy"><li>

  509.         <a href="stackblur.js.html">stackblur.js</a>, <a href="stackblur.js.html#line650">line 650</a>

  510.     </li></ul></dd>

  511.     

  512. 

  513.     

  514. 

  515.     

  516.     <dt class="tag-see">See:</dt>

  517.     <dd class="tag-see">

  518.         <ul>

  519.             <li><a href="module-StackBlur.html#~processImageDataRGB">module:StackBlur~processImageDataRGB</a></li>

  520.         </ul>

  521.     </dd>

  522.     

  523. 

  524.     

  525. </dl>

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  541. 

  542. 

  543. 

  544.         

  545.             

  546. 

  547.     

  548. 

  549.     

  550.     <h4 class="name" id=".imageDataRGBA"><span class="type-signature">(static) </span>imageDataRGBA<span class="signature">()</span><span class="type-signature"></span></h4>

  551.     

  552. 

  553.     

  554. 

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  563. 

  564. 

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  566. 

  567. 

  568. 

  569. <dl class="details">

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  587.     

  588. 

  589.     

  590. 

  591.     

  592. 

  593.     

  594. 

  595.     

  596.     <dt class="tag-source">Source:</dt>

  597.     <dd class="tag-source"><ul class="dummy"><li>

  598.         <a href="stackblur.js.html">stackblur.js</a>, <a href="stackblur.js.html#line645">line 645</a>

  599.     </li></ul></dd>

  600.     

  601. 

  602.     

  603. 

  604.     

  605.     <dt class="tag-see">See:</dt>

  606.     <dd class="tag-see">

  607.         <ul>

  608.             <li><a href="module-StackBlur.html#~processImageDataRGBA">module:StackBlur~processImageDataRGBA</a></li>

  609.         </ul>

  610.     </dd>

  611.     

  612. 

  613.     

  614. </dl>

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  632. 

  633.         

  634.             

  635. 

  636.     

  637. 

  638.     

  639.     <h4 class="name" id="~getImageDataFromCanvas"><span class="type-signature">(inner) </span>getImageDataFromCanvas<span class="signature">(canvas, topX, topY, width, height)</span><span class="type-signature"> &rarr; {ImageData}</span></h4>

  640.     

  641. 

  642.     

  643. 

  644. 

  645. 

  646. 

  647. 

  648. 

  649. 

  650. 

  651. 

  652. 

  653. 

  654.     <h5>Parameters:</h5>

  655.     

  656. 

  657. <table class="params">

  658.     <thead>

  659.     <tr>

  660.         

  661.         <th>Name</th>

  662.         

  663. 

  664.         <th>Type</th>

  665. 

  666.         

  667. 

  668.         

  669. 

  670.         <th class="last">Description</th>

  671.     </tr>

  672.     </thead>

  673. 

  674.     <tbody>

  675.     

  676. 

  677.         <tr>

  678.             

  679.                 <td class="name"><code>canvas</code></td>

  680.             

  681. 

  682.             <td class="type">

  683.             

  684.                 

  685. <span class="param-type">string</span>

  686. |

  687. 

  688. <span class="param-type">HTMLCanvasElement</span>

  689. 

  690. 

  691.             

  692.             </td>

  693. 

  694.             

  695. 

  696.             

  697. 

  698.             <td class="description last"></td>

  699.         </tr>

  700. 

  701.     

  702. 

  703.         <tr>

  704.             

  705.                 <td class="name"><code>topX</code></td>

  706.             

  707. 

  708.             <td class="type">

  709.             

  710.                 

  711. <span class="param-type">Integer</span>

  712. 

  713. 

  714.             

  715.             </td>

  716. 

  717.             

  718. 

  719.             

  720. 

  721.             <td class="description last"></td>

  722.         </tr>

  723. 

  724.     

  725. 

  726.         <tr>

  727.             

  728.                 <td class="name"><code>topY</code></td>

  729.             

  730. 

  731.             <td class="type">

  732.             

  733.                 

  734. <span class="param-type">Integer</span>

  735. 

  736. 

  737.             

  738.             </td>

  739. 

  740.             

  741. 

  742.             

  743. 

  744.             <td class="description last"></td>

  745.         </tr>

  746. 

  747.     

  748. 

  749.         <tr>

  750.             

  751.                 <td class="name"><code>width</code></td>

  752.             

  753. 

  754.             <td class="type">

  755.             

  756.                 

  757. <span class="param-type">Integer</span>

  758. 

  759. 

  760.             

  761.             </td>

  762. 

  763.             

  764. 

  765.             

  766. 

  767.             <td class="description last"></td>

  768.         </tr>

  769. 

  770.     

  771. 

  772.         <tr>

  773.             

  774.                 <td class="name"><code>height</code></td>

  775.             

  776. 

  777.             <td class="type">

  778.             

  779.                 

  780. <span class="param-type">Integer</span>

  781. 

  782. 

  783.             

  784.             </td>

  785. 

  786.             

  787. 

  788.             

  789. 

  790.             <td class="description last"></td>

  791.         </tr>

  792. 

  793.     

  794.     </tbody>

  795. </table>

  796. 

  797. 

  798. 

  799. 

  800. 

  801. 

  802. <dl class="details">

  803. 

  804.     

  805. 

  806.     

  807. 

  808.     

  809. 

  810.     

  811. 

  812.     

  813. 

  814.     

  815. 

  816.     

  817. 

  818.     

  819. 

  820.     

  821. 

  822.     

  823. 

  824.     

  825. 

  826.     

  827. 

  828.     

  829.     <dt class="tag-source">Source:</dt>

  830.     <dd class="tag-source"><ul class="dummy"><li>

  831.         <a href="stackblur.js.html">stackblur.js</a>, <a href="stackblur.js.html#line128">line 128</a>

  832.     </li></ul></dd>

  833.     

  834. 

  835.     

  836. 

  837.     

  838. 

  839.     

  840. </dl>

  841. 

  842. 

  843. 

  844. 

  845. 

  846. 

  847. 

  848. 

  849. 

  850. 

  851. 

  852. <h5>Throws:</h5>

  853. 

  854.         

  855. 

  856.     <div class="param-desc">

  857.     

  858.         

  859. <span class="param-type">Error</span>

  860. |

  861. 

  862. <span class="param-type">TypeError</span>

  863. 

  864. 

  865.     

  866.     </div>

  867. 

  868. 

  869.     

  870. 

  871. 

  872. <h5>Returns:</h5>

  873. 

  874.         

  875. <div class="param-desc">

  876.     <p>See <a href="https://html.spec.whatwg.org/multipage/canvas.html#imagedata">https://html.spec.whatwg.org/multipage/canvas.html#imagedata</a></p>

  877. </div>

  878. 

  879. 

  880. 

  881. <dl>

  882.     <dt>

  883.         Type

  884.     </dt>

  885.     <dd>

  886.         

  887. <span class="param-type">ImageData</span>

  888. 

  889. 

  890.     </dd>

  891. </dl>

  892. 

  893.     

  894. 

  895. 

  896. 

  897. 

  898. 

  899.         

  900.             

  901. 

  902.     

  903. 

  904.     

  905.     <h4 class="name" id="~processCanvasRGB"><span class="type-signature">(inner) </span>processCanvasRGB<span class="signature">(canvas, topX, topY, width, height, radius)</span><span class="type-signature"> &rarr; {undefined}</span></h4>

  906.     

  907. 

  908.     

  909. 

  910. 

  911. 

  912. 

  913. 

  914. 

  915. 

  916. 

  917. 

  918. 

  919. 

  920.     <h5>Parameters:</h5>

  921.     

  922. 

  923. <table class="params">

  924.     <thead>

  925.     <tr>

  926.         

  927.         <th>Name</th>

  928.         

  929. 

  930.         <th>Type</th>

  931. 

  932.         

  933. 

  934.         

  935. 

  936.         <th class="last">Description</th>

  937.     </tr>

  938.     </thead>

  939. 

  940.     <tbody>

  941.     

  942. 

  943.         <tr>

  944.             

  945.                 <td class="name"><code>canvas</code></td>

  946.             

  947. 

  948.             <td class="type">

  949.             

  950.                 

  951. <span class="param-type">HTMLCanvasElement</span>

  952. 

  953. 

  954.             

  955.             </td>

  956. 

  957.             

  958. 

  959.             

  960. 

  961.             <td class="description last"></td>

  962.         </tr>

  963. 

  964.     

  965. 

  966.         <tr>

  967.             

  968.                 <td class="name"><code>topX</code></td>

  969.             

  970. 

  971.             <td class="type">

  972.             

  973.                 

  974. <span class="param-type">Integer</span>

  975. 

  976. 

  977.             

  978.             </td>

  979. 

  980.             

  981. 

  982.             

  983. 

  984.             <td class="description last"></td>

  985.         </tr>

  986. 

  987.     

  988. 

  989.         <tr>

  990.             

  991.                 <td class="name"><code>topY</code></td>

  992.             

  993. 

  994.             <td class="type">

  995.             

  996.                 

  997. <span class="param-type">Integer</span>

  998. 

  999. 

  1000.             

  1001.             </td>

  1002. 

  1003.             

  1004. 

  1005.             

  1006. 

  1007.             <td class="description last"></td>

  1008.         </tr>

  1009. 

  1010.     

  1011. 

  1012.         <tr>

  1013.             

  1014.                 <td class="name"><code>width</code></td>

  1015.             

  1016. 

  1017.             <td class="type">

  1018.             

  1019.                 

  1020. <span class="param-type">Integer</span>

  1021. 

  1022. 

  1023.             

  1024.             </td>

  1025. 

  1026.             

  1027. 

  1028.             

  1029. 

  1030.             <td class="description last"></td>

  1031.         </tr>

  1032. 

  1033.     

  1034. 

  1035.         <tr>

  1036.             

  1037.                 <td class="name"><code>height</code></td>

  1038.             

  1039. 

  1040.             <td class="type">

  1041.             

  1042.                 

  1043. <span class="param-type">Integer</span>

  1044. 

  1045. 

  1046.             

  1047.             </td>

  1048. 

  1049.             

  1050. 

  1051.             

  1052. 

  1053.             <td class="description last"></td>

  1054.         </tr>

  1055. 

  1056.     

  1057. 

  1058.         <tr>

  1059.             

  1060.                 <td class="name"><code>radius</code></td>

  1061.             

  1062. 

  1063.             <td class="type">

  1064.             

  1065.                 

  1066. <span class="param-type">Float</span>

  1067. 

  1068. 

  1069.             

  1070.             </td>

  1071. 

  1072.             

  1073. 

  1074.             

  1075. 

  1076.             <td class="description last"></td>

  1077.         </tr>

  1078. 

  1079.     

  1080.     </tbody>

  1081. </table>

  1082. 

  1083. 

  1084. 

  1085. 

  1086. 

  1087. 

  1088. <dl class="details">

  1089. 

  1090.     

  1091. 

  1092.     

  1093. 

  1094.     

  1095. 

  1096.     

  1097. 

  1098.     

  1099. 

  1100.     

  1101. 

  1102.     

  1103. 

  1104.     

  1105. 

  1106.     

  1107. 

  1108.     

  1109. 

  1110.     

  1111. 

  1112.     

  1113. 

  1114.     

  1115.     <dt class="tag-source">Source:</dt>

  1116.     <dd class="tag-source"><ul class="dummy"><li>

  1117.         <a href="stackblur.js.html">stackblur.js</a>, <a href="stackblur.js.html#line406">line 406</a>

  1118.     </li></ul></dd>

  1119.     

  1120. 

  1121.     

  1122. 

  1123.     

  1124. 

  1125.     

  1126. </dl>

  1127. 

  1128. 

  1129. 

  1130. 

  1131. 

  1132. 

  1133. 

  1134. 

  1135. 

  1136. 

  1137. 

  1138. 

  1139. 

  1140. <h5>Returns:</h5>

  1141. 

  1142.         

  1143. 

  1144. 

  1145. <dl>

  1146.     <dt>

  1147.         Type

  1148.     </dt>

  1149.     <dd>

  1150.         

  1151. <span class="param-type">undefined</span>

  1152. 

  1153. 

  1154.     </dd>

  1155. </dl>

  1156. 

  1157.     

  1158. 

  1159. 

  1160. 

  1161. 

  1162. 

  1163.         

  1164.             

  1165. 

  1166.     

  1167. 

  1168.     

  1169.     <h4 class="name" id="~processCanvasRGBA"><span class="type-signature">(inner) </span>processCanvasRGBA<span class="signature">(canvas, topX, topY, width, height, radius)</span><span class="type-signature"> &rarr; {undefined}</span></h4>

  1170.     

  1171. 

  1172.     

  1173. 

  1174. 

  1175. 

  1176. 

  1177. 

  1178. 

  1179. 

  1180. 

  1181. 

  1182. 

  1183. 

  1184.     <h5>Parameters:</h5>

  1185.     

  1186. 

  1187. <table class="params">

  1188.     <thead>

  1189.     <tr>

  1190.         

  1191.         <th>Name</th>

  1192.         

  1193. 

  1194.         <th>Type</th>

  1195. 

  1196.         

  1197. 

  1198.         

  1199. 

  1200.         <th class="last">Description</th>

  1201.     </tr>

  1202.     </thead>

  1203. 

  1204.     <tbody>

  1205.     

  1206. 

  1207.         <tr>

  1208.             

  1209.                 <td class="name"><code>canvas</code></td>

  1210.             

  1211. 

  1212.             <td class="type">

  1213.             

  1214.                 

  1215. <span class="param-type">HTMLCanvasElement</span>

  1216. 

  1217. 

  1218.             

  1219.             </td>

  1220. 

  1221.             

  1222. 

  1223.             

  1224. 

  1225.             <td class="description last"></td>

  1226.         </tr>

  1227. 

  1228.     

  1229. 

  1230.         <tr>

  1231.             

  1232.                 <td class="name"><code>topX</code></td>

  1233.             

  1234. 

  1235.             <td class="type">

  1236.             

  1237.                 

  1238. <span class="param-type">Integer</span>

  1239. 

  1240. 

  1241.             

  1242.             </td>

  1243. 

  1244.             

  1245. 

  1246.             

  1247. 

  1248.             <td class="description last"></td>

  1249.         </tr>

  1250. 

  1251.     

  1252. 

  1253.         <tr>

  1254.             

  1255.                 <td class="name"><code>topY</code></td>

  1256.             

  1257. 

  1258.             <td class="type">

  1259.             

  1260.                 

  1261. <span class="param-type">Integer</span>

  1262. 

  1263. 

  1264.             

  1265.             </td>

  1266. 

  1267.             

  1268. 

  1269.             

  1270. 

  1271.             <td class="description last"></td>

  1272.         </tr>

  1273. 

  1274.     

  1275. 

  1276.         <tr>

  1277.             

  1278.                 <td class="name"><code>width</code></td>

  1279.             

  1280. 

  1281.             <td class="type">

  1282.             

  1283.                 

  1284. <span class="param-type">Integer</span>

  1285. 

  1286. 

  1287.             

  1288.             </td>

  1289. 

  1290.             

  1291. 

  1292.             

  1293. 

  1294.             <td class="description last"></td>

  1295.         </tr>

  1296. 

  1297.     

  1298. 

  1299.         <tr>

  1300.             

  1301.                 <td class="name"><code>height</code></td>

  1302.             

  1303. 

  1304.             <td class="type">

  1305.             

  1306.                 

  1307. <span class="param-type">Integer</span>

  1308. 

  1309. 

  1310.             

  1311.             </td>

  1312. 

  1313.             

  1314. 

  1315.             

  1316. 

  1317.             <td class="description last"></td>

  1318.         </tr>

  1319. 

  1320.     

  1321. 

  1322.         <tr>

  1323.             

  1324.                 <td class="name"><code>radius</code></td>

  1325.             

  1326. 

  1327.             <td class="type">

  1328.             

  1329.                 

  1330. <span class="param-type">Float</span>

  1331. 

  1332. 

  1333.             

  1334.             </td>

  1335. 

  1336.             

  1337. 

  1338.             

  1339. 

  1340.             <td class="description last"></td>

  1341.         </tr>

  1342. 

  1343.     

  1344.     </tbody>

  1345. </table>

  1346. 

  1347. 

  1348. 

  1349. 

  1350. 

  1351. 

  1352. <dl class="details">

  1353. 

  1354.     

  1355. 

  1356.     

  1357. 

  1358.     

  1359. 

  1360.     

  1361. 

  1362.     

  1363. 

  1364.     

  1365. 

  1366.     

  1367. 

  1368.     

  1369. 

  1370.     

  1371. 

  1372.     

  1373. 

  1374.     

  1375. 

  1376.     

  1377. 

  1378.     

  1379.     <dt class="tag-source">Source:</dt>

  1380.     <dd class="tag-source"><ul class="dummy"><li>

  1381.         <a href="stackblur.js.html">stackblur.js</a>, <a href="stackblur.js.html#line154">line 154</a>

  1382.     </li></ul></dd>

  1383.     

  1384. 

  1385.     

  1386. 

  1387.     

  1388. 

  1389.     

  1390. </dl>

  1391. 

  1392. 

  1393. 

  1394. 

  1395. 

  1396. 

  1397. 

  1398. 

  1399. 

  1400. 

  1401. 

  1402. 

  1403. 

  1404. <h5>Returns:</h5>

  1405. 

  1406.         

  1407. 

  1408. 

  1409. <dl>

  1410.     <dt>

  1411.         Type

  1412.     </dt>

  1413.     <dd>

  1414.         

  1415. <span class="param-type">undefined</span>

  1416. 

  1417. 

  1418.     </dd>

  1419. </dl>

  1420. 

  1421.     

  1422. 

  1423. 

  1424. 

  1425. 

  1426. 

  1427.         

  1428.             

  1429. 

  1430.     

  1431. 

  1432.     

  1433.     <h4 class="name" id="~processImage"><span class="type-signature">(inner) </span>processImage<span class="signature">(img, canvas, radius, blurAlphaChannel)</span><span class="type-signature"> &rarr; {undefined}</span></h4>

  1434.     

  1435. 

  1436.     

  1437. 

  1438. 

  1439. 

  1440. 

  1441. 

  1442. 

  1443. 

  1444. 

  1445. 

  1446. 

  1447. 

  1448.     <h5>Parameters:</h5>

  1449.     

  1450. 

  1451. <table class="params">

  1452.     <thead>

  1453.     <tr>

  1454.         

  1455.         <th>Name</th>

  1456.         

  1457. 

  1458.         <th>Type</th>

  1459. 

  1460.         

  1461. 

  1462.         

  1463. 

  1464.         <th class="last">Description</th>

  1465.     </tr>

  1466.     </thead>

  1467. 

  1468.     <tbody>

  1469.     

  1470. 

  1471.         <tr>

  1472.             

  1473.                 <td class="name"><code>img</code></td>

  1474.             

  1475. 

  1476.             <td class="type">

  1477.             

  1478.                 

  1479. <span class="param-type">string</span>

  1480. |

  1481. 

  1482. <span class="param-type">HTMLImageElement</span>

  1483. 

  1484. 

  1485.             

  1486.             </td>

  1487. 

  1488.             

  1489. 

  1490.             

  1491. 

  1492.             <td class="description last"></td>

  1493.         </tr>

  1494. 

  1495.     

  1496. 

  1497.         <tr>

  1498.             

  1499.                 <td class="name"><code>canvas</code></td>

  1500.             

  1501. 

  1502.             <td class="type">

  1503.             

  1504.                 

  1505. <span class="param-type">string</span>

  1506. |

  1507. 

  1508. <span class="param-type">HTMLCanvasElement</span>

  1509. 

  1510. 

  1511.             

  1512.             </td>

  1513. 

  1514.             

  1515. 

  1516.             

  1517. 

  1518.             <td class="description last"></td>

  1519.         </tr>

  1520. 

  1521.     

  1522. 

  1523.         <tr>

  1524.             

  1525.                 <td class="name"><code>radius</code></td>

  1526.             

  1527. 

  1528.             <td class="type">

  1529.             

  1530.                 

  1531. <span class="param-type">Float</span>

  1532. 

  1533. 

  1534.             

  1535.             </td>

  1536. 

  1537.             

  1538. 

  1539.             

  1540. 

  1541.             <td class="description last"></td>

  1542.         </tr>

  1543. 

  1544.     

  1545. 

  1546.         <tr>

  1547.             

  1548.                 <td class="name"><code>blurAlphaChannel</code></td>

  1549.             

  1550. 

  1551.             <td class="type">

  1552.             

  1553.                 

  1554. <span class="param-type">boolean</span>

  1555. 

  1556. 

  1557.             

  1558.             </td>

  1559. 

  1560.             

  1561. 

  1562.             

  1563. 

  1564.             <td class="description last"></td>

  1565.         </tr>

  1566. 

  1567.     

  1568.     </tbody>

  1569. </table>

  1570. 

  1571. 

  1572. 

  1573. 

  1574. 

  1575. 

  1576. <dl class="details">

  1577. 

  1578.     

  1579. 

  1580.     

  1581. 

  1582.     

  1583. 

  1584.     

  1585. 

  1586.     

  1587. 

  1588.     

  1589. 

  1590.     

  1591. 

  1592.     

  1593. 

  1594.     

  1595. 

  1596.     

  1597. 

  1598.     

  1599. 

  1600.     

  1601. 

  1602.     

  1603.     <dt class="tag-source">Source:</dt>

  1604.     <dd class="tag-source"><ul class="dummy"><li>

  1605.         <a href="stackblur.js.html">stackblur.js</a>, <a href="stackblur.js.html#line84">line 84</a>

  1606.     </li></ul></dd>

  1607.     

  1608. 

  1609.     

  1610. 

  1611.     

  1612. 

  1613.     

  1614. </dl>

  1615. 

  1616. 

  1617. 

  1618. 

  1619. 

  1620. 

  1621. 

  1622. 

  1623. 

  1624. 

  1625. 

  1626. 

  1627. 

  1628. <h5>Returns:</h5>

  1629. 

  1630.         

  1631. 

  1632. 

  1633. <dl>

  1634.     <dt>

  1635.         Type

  1636.     </dt>

  1637.     <dd>

  1638.         

  1639. <span class="param-type">undefined</span>

  1640. 

  1641. 

  1642.     </dd>

  1643. </dl>

  1644. 

  1645.     

  1646. 

  1647. 

  1648. 

  1649. 

  1650. 

  1651.         

  1652.             

  1653. 

  1654.     

  1655. 

  1656.     

  1657.     <h4 class="name" id="~processImageDataRGB"><span class="type-signature">(inner) </span>processImageDataRGB<span class="signature">(imageData, topX, topY, width, height, radius)</span><span class="type-signature"> &rarr; {ImageData}</span></h4>

  1658.     

  1659. 

  1660.     

  1661. 

  1662. 

  1663. 

  1664. 

  1665. 

  1666. 

  1667. 

  1668. 

  1669. 

  1670. 

  1671. 

  1672.     <h5>Parameters:</h5>

  1673.     

  1674. 

  1675. <table class="params">

  1676.     <thead>

  1677.     <tr>

  1678.         

  1679.         <th>Name</th>

  1680.         

  1681. 

  1682.         <th>Type</th>

  1683. 

  1684.         

  1685. 

  1686.         

  1687. 

  1688.         <th class="last">Description</th>

  1689.     </tr>

  1690.     </thead>

  1691. 

  1692.     <tbody>

  1693.     

  1694. 

  1695.         <tr>

  1696.             

  1697.                 <td class="name"><code>imageData</code></td>

  1698.             

  1699. 

  1700.             <td class="type">

  1701.             

  1702.                 

  1703. <span class="param-type">ImageData</span>

  1704. 

  1705. 

  1706.             

  1707.             </td>

  1708. 

  1709.             

  1710. 

  1711.             

  1712. 

  1713.             <td class="description last"></td>

  1714.         </tr>

  1715. 

  1716.     

  1717. 

  1718.         <tr>

  1719.             

  1720.                 <td class="name"><code>topX</code></td>

  1721.             

  1722. 

  1723.             <td class="type">

  1724.             

  1725.                 

  1726. <span class="param-type">Integer</span>

  1727. 

  1728. 

  1729.             

  1730.             </td>

  1731. 

  1732.             

  1733. 

  1734.             

  1735. 

  1736.             <td class="description last"></td>

  1737.         </tr>

  1738. 

  1739.     

  1740. 

  1741.         <tr>

  1742.             

  1743.                 <td class="name"><code>topY</code></td>

  1744.             

  1745. 

  1746.             <td class="type">

  1747.             

  1748.                 

  1749. <span class="param-type">Integer</span>

  1750. 

  1751. 

  1752.             

  1753.             </td>

  1754. 

  1755.             

  1756. 

  1757.             

  1758. 

  1759.             <td class="description last"></td>

  1760.         </tr>

  1761. 

  1762.     

  1763. 

  1764.         <tr>

  1765.             

  1766.                 <td class="name"><code>width</code></td>

  1767.             

  1768. 

  1769.             <td class="type">

  1770.             

  1771.                 

  1772. <span class="param-type">Integer</span>

  1773. 

  1774. 

  1775.             

  1776.             </td>

  1777. 

  1778.             

  1779. 

  1780.             

  1781. 

  1782.             <td class="description last"></td>

  1783.         </tr>

  1784. 

  1785.     

  1786. 

  1787.         <tr>

  1788.             

  1789.                 <td class="name"><code>height</code></td>

  1790.             

  1791. 

  1792.             <td class="type">

  1793.             

  1794.                 

  1795. <span class="param-type">Integer</span>

  1796. 

  1797. 

  1798.             

  1799.             </td>

  1800. 

  1801.             

  1802. 

  1803.             

  1804. 

  1805.             <td class="description last"></td>

  1806.         </tr>

  1807. 

  1808.     

  1809. 

  1810.         <tr>

  1811.             

  1812.                 <td class="name"><code>radius</code></td>

  1813.             

  1814. 

  1815.             <td class="type">

  1816.             

  1817.                 

  1818. <span class="param-type">Float</span>

  1819. 

  1820. 

  1821.             

  1822.             </td>

  1823. 

  1824.             

  1825. 

  1826.             

  1827. 

  1828.             <td class="description last"></td>

  1829.         </tr>

  1830. 

  1831.     

  1832.     </tbody>

  1833. </table>

  1834. 

  1835. 

  1836. 

  1837. 

  1838. 

  1839. 

  1840. <dl class="details">

  1841. 

  1842.     

  1843. 

  1844.     

  1845. 

  1846.     

  1847. 

  1848.     

  1849. 

  1850.     

  1851. 

  1852.     

  1853. 

  1854.     

  1855. 

  1856.     

  1857. 

  1858.     

  1859. 

  1860.     

  1861. 

  1862.     

  1863. 

  1864.     

  1865. 

  1866.     

  1867.     <dt class="tag-source">Source:</dt>

  1868.     <dd class="tag-source"><ul class="dummy"><li>

  1869.         <a href="stackblur.js.html">stackblur.js</a>, <a href="stackblur.js.html#line425">line 425</a>

  1870.     </li></ul></dd>

  1871.     

  1872. 

  1873.     

  1874. 

  1875.     

  1876. 

  1877.     

  1878. </dl>

  1879. 

  1880. 

  1881. 

  1882. 

  1883. 

  1884. 

  1885. 

  1886. 

  1887. 

  1888. 

  1889. 

  1890. 

  1891. 

  1892. <h5>Returns:</h5>

  1893. 

  1894.         

  1895. 

  1896. 

  1897. <dl>

  1898.     <dt>

  1899.         Type

  1900.     </dt>

  1901.     <dd>

  1902.         

  1903. <span class="param-type">ImageData</span>

  1904. 

  1905. 

  1906.     </dd>

  1907. </dl>

  1908. 

  1909.     

  1910. 

  1911. 

  1912. 

  1913. 

  1914. 

  1915.         

  1916.             

  1917. 

  1918.     

  1919. 

  1920.     

  1921.     <h4 class="name" id="~processImageDataRGBA"><span class="type-signature">(inner) </span>processImageDataRGBA<span class="signature">(imageData, topX, topY, width, height, radius)</span><span class="type-signature"> &rarr; {ImageData}</span></h4>

  1922.     

  1923. 

  1924.     

  1925. 

  1926. 

  1927. 

  1928. 

  1929. 

  1930. 

  1931. 

  1932. 

  1933. 

  1934. 

  1935. 

  1936.     <h5>Parameters:</h5>

  1937.     

  1938. 

  1939. <table class="params">

  1940.     <thead>

  1941.     <tr>

  1942.         

  1943.         <th>Name</th>

  1944.         

  1945. 

  1946.         <th>Type</th>

  1947. 

  1948.         

  1949. 

  1950.         

  1951. 

  1952.         <th class="last">Description</th>

  1953.     </tr>

  1954.     </thead>

  1955. 

  1956.     <tbody>

  1957.     

  1958. 

  1959.         <tr>

  1960.             

  1961.                 <td class="name"><code>imageData</code></td>

  1962.             

  1963. 

  1964.             <td class="type">

  1965.             

  1966.                 

  1967. <span class="param-type">ImageData</span>

  1968. 

  1969. 

  1970.             

  1971.             </td>

  1972. 

  1973.             

  1974. 

  1975.             

  1976. 

  1977.             <td class="description last"></td>

  1978.         </tr>

  1979. 

  1980.     

  1981. 

  1982.         <tr>

  1983.             

  1984.                 <td class="name"><code>topX</code></td>

  1985.             

  1986. 

  1987.             <td class="type">

  1988.             

  1989.                 

  1990. <span class="param-type">Integer</span>

  1991. 

  1992. 

  1993.             

  1994.             </td>

  1995. 

  1996.             

  1997. 

  1998.             

  1999. 

  2000.             <td class="description last"></td>

  2001.         </tr>

  2002. 

  2003.     

  2004. 

  2005.         <tr>

  2006.             

  2007.                 <td class="name"><code>topY</code></td>

  2008.             

  2009. 

  2010.             <td class="type">

  2011.             

  2012.                 

  2013. <span class="param-type">Integer</span>

  2014. 

  2015. 

  2016.             

  2017.             </td>

  2018. 

  2019.             

  2020. 

  2021.             

  2022. 

  2023.             <td class="description last"></td>

  2024.         </tr>

  2025. 

  2026.     

  2027. 

  2028.         <tr>

  2029.             

  2030.                 <td class="name"><code>width</code></td>

  2031.             

  2032. 

  2033.             <td class="type">

  2034.             

  2035.                 

  2036. <span class="param-type">Integer</span>

  2037. 

  2038. 

  2039.             

  2040.             </td>

  2041. 

  2042.             

  2043. 

  2044.             

  2045. 

  2046.             <td class="description last"></td>

  2047.         </tr>

  2048. 

  2049.     

  2050. 

  2051.         <tr>

  2052.             

  2053.                 <td class="name"><code>height</code></td>

  2054.             

  2055. 

  2056.             <td class="type">

  2057.             

  2058.                 

  2059. <span class="param-type">Integer</span>

  2060. 

  2061. 

  2062.             

  2063.             </td>

  2064. 

  2065.             

  2066. 

  2067.             

  2068. 

  2069.             <td class="description last"></td>

  2070.         </tr>

  2071. 

  2072.     

  2073. 

  2074.         <tr>

  2075.             

  2076.                 <td class="name"><code>radius</code></td>

  2077.             

  2078. 

  2079.             <td class="type">

  2080.             

  2081.                 

  2082. <span class="param-type">Float</span>

  2083. 

  2084. 

  2085.             

  2086.             </td>

  2087. 

  2088.             

  2089. 

  2090.             

  2091. 

  2092.             <td class="description last"></td>

  2093.         </tr>

  2094. 

  2095.     

  2096.     </tbody>

  2097. </table>

  2098. 

  2099. 

  2100. 

  2101. 

  2102. 

  2103. 

  2104. <dl class="details">

  2105. 

  2106.     

  2107. 

  2108.     

  2109. 

  2110.     

  2111. 

  2112.     

  2113. 

  2114.     

  2115. 

  2116.     

  2117. 

  2118.     

  2119. 

  2120.     

  2121. 

  2122.     

  2123. 

  2124.     

  2125. 

  2126.     

  2127. 

  2128.     

  2129. 

  2130.     

  2131.     <dt class="tag-source">Source:</dt>

  2132.     <dd class="tag-source"><ul class="dummy"><li>

  2133.         <a href="stackblur.js.html">stackblur.js</a>, <a href="stackblur.js.html#line174">line 174</a>

  2134.     </li></ul></dd>

  2135.     

  2136. 

  2137.     

  2138. 

  2139.     

  2140. 

  2141.     

  2142. </dl>

  2143. 

  2144. 

  2145. 

  2146. 

  2147. 

  2148. 

  2149. 

  2150. 

  2151. 

  2152. 

  2153. 

  2154. 

  2155. 

  2156. <h5>Returns:</h5>

  2157. 

  2158.         

  2159. 

  2160. 

  2161. <dl>

  2162.     <dt>

  2163.         Type

  2164.     </dt>

  2165.     <dd>

  2166.         

  2167. <span class="param-type">ImageData</span>

  2168. 

  2169. 

  2170.     </dd>

  2171. </dl>

  2172. 

  2173.     

  2174. 

  2175. 

  2176. 

  2177. 

  2178. 

  2179.         

  2180.     

  2181. 

  2182.     

  2183. 

  2184.     

  2185. </article>

  2186. 

  2187. </section>

  2188. 

  2189. 

  2190. 

  2191. 

  2192. </div>

  2193. 

  2194. <nav>

  2195.     <h2><a href="index.html">Home</a></h2><h3>Modules</h3><ul><li><a href="module-StackBlur.html">StackBlur</a></li></ul><h3>Classes</h3><ul><li><a href="module-StackBlur.BlurStack.html">BlurStack</a></li></ul>

  2196. </nav>

  2197. 

  2198. <br class="clear">

  2199. 

  2200. <footer>

  2201.     Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> on Thu Dec 13 2018 09:27:19 GMT+0800 (China Standard Time)

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