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{"version":3,"file":"stackblur-es.min.js","sources":["../src/stackblur.js"],"sourcesContent":["/* eslint-disable no-bitwise -- used for calculations */\n/* eslint-disable unicorn/prefer-query-selector -- aiming at\n backward-compatibility */\n/**\n* StackBlur - a fast almost Gaussian Blur For Canvas\n*\n* In case you find this class useful - especially in commercial projects -\n* I am not totally unhappy for a small donation to my PayPal account\n* mario@quasimondo.de\n*\n* Or support me on flattr:\n* {@link https://flattr.com/thing/72791/StackBlur-a-fast-almost-Gaussian-Blur-Effect-for-CanvasJavascript}.\n*\n* @module StackBlur\n* @author Mario Klingemann\n* Contact: mario@quasimondo.com\n* Website: {@link http://www.quasimondo.com/StackBlurForCanvas/StackBlurDemo.html}\n* Twitter: @quasimondo\n*\n* @copyright (c) 2010 Mario Klingemann\n*\n* Permission is hereby granted, free of charge, to any person\n* obtaining a copy of this software and associated documentation\n* files (the \"Software\"), to deal in the Software without\n* restriction, including without limitation the rights to use,\n* copy, modify, merge, publish, distribute, sublicense, and/or sell\n* copies of the Software, and to permit persons to whom the\n* Software is furnished to do so, subject to the following\n* conditions:\n*\n* The above copyright notice and this permission notice shall be\n* included in all copies or substantial portions of the Software.\n*\n* THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND,\n* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES\n* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND\n* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT\n* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,\n* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR\n* OTHER DEALINGS IN THE SOFTWARE.\n*/\n\nconst mulTable = [\n 512, 512, 456, 512, 328, 456, 335, 512, 405, 328, 271, 456, 388, 335, 292,\n 512, 454, 405, 364, 328, 298, 271, 496, 456, 420, 388, 360, 335, 312, 292,\n 273, 512, 482, 454, 428, 405, 383, 364, 345, 328, 312, 298, 284, 271, 259,\n 496, 475, 456, 437, 420, 404, 388, 374, 360, 347, 335, 323, 312, 302, 292,\n 282, 273, 265, 512, 497, 482, 468, 454, 441, 428, 417, 405, 394, 383, 373,\n 364, 354, 345, 337, 328, 320, 312, 305, 298, 291, 284, 278, 271, 265, 259,\n 507, 496, 485, 475, 465, 456, 446, 437, 428, 420, 412, 404, 396, 388, 381,\n 374, 367, 360, 354, 347, 341, 335, 329, 323, 318, 312, 307, 302, 297, 292,\n 287, 282, 278, 273, 269, 265, 261, 512, 505, 497, 489, 482, 475, 468, 461,\n 454, 447, 441, 435, 428, 422, 417, 411, 405, 399, 394, 389, 383, 378, 373,\n 368, 364, 359, 354, 350, 345, 341, 337, 332, 328, 324, 320, 316, 312, 309,\n 305, 301, 298, 294, 291, 287, 284, 281, 278, 274, 271, 268, 265, 262, 259,\n 257, 507, 501, 496, 491, 485, 480, 475, 470, 465, 460, 456, 451, 446, 442,\n 437, 433, 428, 424, 420, 416, 412, 408, 404, 400, 396, 392, 388, 385, 381,\n 377, 374, 370, 367, 363, 360, 357, 354, 350, 347, 344, 341, 338, 335, 332,\n 329, 326, 323, 320, 318, 315, 312, 310, 307, 304, 302, 299, 297, 294, 292,\n 289, 287, 285, 282, 280, 278, 275, 273, 271, 269, 267, 265, 263, 261, 259\n];\n\nconst shgTable = [\n 9, 11, 12, 13, 13, 14, 14, 15, 15, 15, 15, 16, 16, 16, 16, 17,\n 17, 17, 17, 17, 17, 17, 18, 18, 18, 18, 18, 18, 18, 18, 18, 19,\n 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 20, 20, 20,\n 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 21,\n 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,\n 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 22, 22, 22, 22, 22, 22,\n 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22,\n 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 23,\n 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23,\n 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23,\n 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23,\n 23, 23, 23, 23, 23, 24, 24, 24, 24, 24, 2
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