|
- (function (global, factory) {
- typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
- typeof define === 'function' && define.amd ? define(['exports'], factory) :
- (global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.StackBlur = {}));
- }(this, (function (exports) { 'use strict';
-
- function _typeof(obj) {
- "@babel/helpers - typeof";
-
- if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") {
- _typeof = function (obj) {
- return typeof obj;
- };
- } else {
- _typeof = function (obj) {
- return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
- };
- }
-
- return _typeof(obj);
- }
-
- function _classCallCheck(instance, Constructor) {
- if (!(instance instanceof Constructor)) {
- throw new TypeError("Cannot call a class as a function");
- }
- }
-
- /* eslint-disable no-bitwise -- used for calculations */
-
- /* eslint-disable unicorn/prefer-query-selector -- aiming at
- backward-compatibility */
-
- /**
- * StackBlur - a fast almost Gaussian Blur For Canvas
- *
- * In case you find this class useful - especially in commercial projects -
- * I am not totally unhappy for a small donation to my PayPal account
- * mario@quasimondo.de
- *
- * Or support me on flattr:
- * {@link https://flattr.com/thing/72791/StackBlur-a-fast-almost-Gaussian-Blur-Effect-for-CanvasJavascript}.
- *
- * @module StackBlur
- * @author Mario Klingemann
- * Contact: mario@quasimondo.com
- * Website: {@link http://www.quasimondo.com/StackBlurForCanvas/StackBlurDemo.html}
- * Twitter: @quasimondo
- *
- * @copyright (c) 2010 Mario Klingemann
- *
- * Permission is hereby granted, free of charge, to any person
- * obtaining a copy of this software and associated documentation
- * files (the "Software"), to deal in the Software without
- * restriction, including without limitation the rights to use,
- * copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following
- * conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
- * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
- * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
- * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- */
- var mulTable = [512, 512, 456, 512, 328, 456, 335, 512, 405, 328, 271, 456, 388, 335, 292, 512, 454, 405, 364, 328, 298, 271, 496, 456, 420, 388, 360, 335, 312, 292, 273, 512, 482, 454, 428, 405, 383, 364, 345, 328, 312, 298, 284, 271, 259, 496, 475, 456, 437, 420, 404, 388, 374, 360, 347, 335, 323, 312, 302, 292, 282, 273, 265, 512, 497, 482, 468, 454, 441, 428, 417, 405, 394, 383, 373, 364, 354, 345, 337, 328, 320, 312, 305, 298, 291, 284, 278, 271, 265, 259, 507, 496, 485, 475, 465, 456, 446, 437, 428, 420, 412, 404, 396, 388, 381, 374, 367, 360, 354, 347, 341, 335, 329, 323, 318, 312, 307, 302, 297, 292, 287, 282, 278, 273, 269, 265, 261, 512, 505, 497, 489, 482, 475, 468, 461, 454, 447, 441, 435, 428, 422, 417, 411, 405, 399, 394, 389, 383, 378, 373, 368, 364, 359, 354, 350, 345, 341, 337, 332, 328, 324, 320, 316, 312, 309, 305, 301, 298, 294, 291, 287, 284, 281, 278, 274, 271, 268, 265, 262, 259, 257, 507, 501, 496, 491, 485, 480, 475, 470, 465, 460, 456, 451, 446, 442, 437, 433, 428, 424, 420, 416, 412, 408, 404, 400, 396, 392, 388, 385, 381, 377, 374, 370, 367, 363, 360, 357, 354, 350, 347, 344, 341, 338, 335, 332, 329, 326, 323, 320, 318, 315, 312, 310, 307, 304, 302, 299, 297, 294, 292, 289, 287, 285, 282, 280, 278, 275, 273, 271, 269, 267, 265, 263, 261, 259];
- var shgTable = [9, 11, 12, 13, 13, 14, 14, 15, 15, 15, 15, 16, 16, 16, 16, 17, 17, 17, 17, 17, 17, 17, 18, 18, 18, 18, 18, 18, 18, 18, 18, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24];
- /**
- * @param {string|HTMLImageElement} img
- * @param {string|HTMLCanvasElement} canvas
- * @param {Float} radius
- * @param {boolean} blurAlphaChannel
- * @param {boolean} useOffset
- * @param {boolean} skipStyles
- * @returns {undefined}
- */
-
- function processImage(img, canvas, radius, blurAlphaChannel, useOffset, skipStyles) {
- if (typeof img === 'string') {
- img = document.getElementById(img);
- }
-
- if (!img || Object.prototype.toString.call(img).slice(8, -1) === 'HTMLImageElement' && !('naturalWidth' in img)) {
- return;
- }
-
- var dimensionType = useOffset ? 'offset' : 'natural';
- var w = img[dimensionType + 'Width'];
- var h = img[dimensionType + 'Height']; // add ImageBitmap support,can blur texture source
-
- if (Object.prototype.toString.call(img).slice(8, -1) === 'ImageBitmap') {
- w = img.width;
- h = img.height;
- }
-
- if (typeof canvas === 'string') {
- canvas = document.getElementById(canvas);
- }
-
- if (!canvas || !('getContext' in canvas)) {
- return;
- }
-
- if (!skipStyles) {
- canvas.style.width = w + 'px';
- canvas.style.height = h + 'px';
- }
-
- canvas.width = w;
- canvas.height = h;
- var context = canvas.getContext('2d');
- context.clearRect(0, 0, w, h);
- context.drawImage(img, 0, 0, img.naturalWidth, img.naturalHeight, 0, 0, w, h);
-
- if (isNaN(radius) || radius < 1) {
- return;
- }
-
- if (blurAlphaChannel) {
- processCanvasRGBA(canvas, 0, 0, w, h, radius);
- } else {
- processCanvasRGB(canvas, 0, 0, w, h, radius);
- }
- }
- /**
- * @param {string|HTMLCanvasElement} canvas
- * @param {Integer} topX
- * @param {Integer} topY
- * @param {Integer} width
- * @param {Integer} height
- * @throws {Error|TypeError}
- * @returns {ImageData} See {@link https://html.spec.whatwg.org/multipage/canvas.html#imagedata}
- */
-
-
- function getImageDataFromCanvas(canvas, topX, topY, width, height) {
- if (typeof canvas === 'string') {
- canvas = document.getElementById(canvas);
- }
-
- if (!canvas || _typeof(canvas) !== 'object' || !('getContext' in canvas)) {
- throw new TypeError('Expecting canvas with `getContext` method ' + 'in processCanvasRGB(A) calls!');
- }
-
- var context = canvas.getContext('2d');
-
- try {
- return context.getImageData(topX, topY, width, height);
- } catch (e) {
- throw new Error('unable to access image data: ' + e);
- }
- }
- /**
- * @param {HTMLCanvasElement} canvas
- * @param {Integer} topX
- * @param {Integer} topY
- * @param {Integer} width
- * @param {Integer} height
- * @param {Float} radius
- * @returns {undefined}
- */
-
-
- function processCanvasRGBA(canvas, topX, topY, width, height, radius) {
- if (isNaN(radius) || radius < 1) {
- return;
- }
-
- radius |= 0;
- var imageData = getImageDataFromCanvas(canvas, topX, topY, width, height);
- imageData = processImageDataRGBA(imageData, topX, topY, width, height, radius);
- canvas.getContext('2d').putImageData(imageData, topX, topY);
- }
- /**
- * @param {ImageData} imageData
- * @param {Integer} topX
- * @param {Integer} topY
- * @param {Integer} width
- * @param {Integer} height
- * @param {Float} radius
- * @returns {ImageData}
- */
-
-
- function processImageDataRGBA(imageData, topX, topY, width, height, radius) {
- var pixels = imageData.data;
- var div = 2 * radius + 1; // const w4 = width << 2;
-
- var widthMinus1 = width - 1;
- var heightMinus1 = height - 1;
- var radiusPlus1 = radius + 1;
- var sumFactor = radiusPlus1 * (radiusPlus1 + 1) / 2;
- var stackStart = new BlurStack();
- var stack = stackStart;
- var stackEnd;
-
- for (var i = 1; i < div; i++) {
- stack = stack.next = new BlurStack();
-
- if (i === radiusPlus1) {
- stackEnd = stack;
- }
- }
-
- stack.next = stackStart;
- var stackIn = null,
- stackOut = null,
- yw = 0,
- yi = 0;
- var mulSum = mulTable[radius];
- var shgSum = shgTable[radius];
-
- for (var y = 0; y < height; y++) {
- stack = stackStart;
- var pr = pixels[yi],
- pg = pixels[yi + 1],
- pb = pixels[yi + 2],
- pa = pixels[yi + 3];
-
- for (var _i = 0; _i < radiusPlus1; _i++) {
- stack.r = pr;
- stack.g = pg;
- stack.b = pb;
- stack.a = pa;
- stack = stack.next;
- }
-
- var rInSum = 0,
- gInSum = 0,
- bInSum = 0,
- aInSum = 0,
- rOutSum = radiusPlus1 * pr,
- gOutSum = radiusPlus1 * pg,
- bOutSum = radiusPlus1 * pb,
- aOutSum = radiusPlus1 * pa,
- rSum = sumFactor * pr,
- gSum = sumFactor * pg,
- bSum = sumFactor * pb,
- aSum = sumFactor * pa;
-
- for (var _i2 = 1; _i2 < radiusPlus1; _i2++) {
- var p = yi + ((widthMinus1 < _i2 ? widthMinus1 : _i2) << 2);
- var r = pixels[p],
- g = pixels[p + 1],
- b = pixels[p + 2],
- a = pixels[p + 3];
- var rbs = radiusPlus1 - _i2;
- rSum += (stack.r = r) * rbs;
- gSum += (stack.g = g) * rbs;
- bSum += (stack.b = b) * rbs;
- aSum += (stack.a = a) * rbs;
- rInSum += r;
- gInSum += g;
- bInSum += b;
- aInSum += a;
- stack = stack.next;
- }
-
- stackIn = stackStart;
- stackOut = stackEnd;
-
- for (var x = 0; x < width; x++) {
- var paInitial = aSum * mulSum >>> shgSum;
- pixels[yi + 3] = paInitial;
-
- if (paInitial !== 0) {
- var _a2 = 255 / paInitial;
-
- pixels[yi] = (rSum * mulSum >>> shgSum) * _a2;
- pixels[yi + 1] = (gSum * mulSum >>> shgSum) * _a2;
- pixels[yi + 2] = (bSum * mulSum >>> shgSum) * _a2;
- } else {
- pixels[yi] = pixels[yi + 1] = pixels[yi + 2] = 0;
- }
-
- rSum -= rOutSum;
- gSum -= gOutSum;
- bSum -= bOutSum;
- aSum -= aOutSum;
- rOutSum -= stackIn.r;
- gOutSum -= stackIn.g;
- bOutSum -= stackIn.b;
- aOutSum -= stackIn.a;
-
- var _p = x + radius + 1;
-
- _p = yw + (_p < widthMinus1 ? _p : widthMinus1) << 2;
- rInSum += stackIn.r = pixels[_p];
- gInSum += stackIn.g = pixels[_p + 1];
- bInSum += stackIn.b = pixels[_p + 2];
- aInSum += stackIn.a = pixels[_p + 3];
- rSum += rInSum;
- gSum += gInSum;
- bSum += bInSum;
- aSum += aInSum;
- stackIn = stackIn.next;
- var _stackOut = stackOut,
- _r = _stackOut.r,
- _g = _stackOut.g,
- _b = _stackOut.b,
- _a = _stackOut.a;
- rOutSum += _r;
- gOutSum += _g;
- bOutSum += _b;
- aOutSum += _a;
- rInSum -= _r;
- gInSum -= _g;
- bInSum -= _b;
- aInSum -= _a;
- stackOut = stackOut.next;
- yi += 4;
- }
-
- yw += width;
- }
-
- for (var _x = 0; _x < width; _x++) {
- yi = _x << 2;
-
- var _pr = pixels[yi],
- _pg = pixels[yi + 1],
- _pb = pixels[yi + 2],
- _pa = pixels[yi + 3],
- _rOutSum = radiusPlus1 * _pr,
- _gOutSum = radiusPlus1 * _pg,
- _bOutSum = radiusPlus1 * _pb,
- _aOutSum = radiusPlus1 * _pa,
- _rSum = sumFactor * _pr,
- _gSum = sumFactor * _pg,
- _bSum = sumFactor * _pb,
- _aSum = sumFactor * _pa;
-
- stack = stackStart;
-
- for (var _i3 = 0; _i3 < radiusPlus1; _i3++) {
- stack.r = _pr;
- stack.g = _pg;
- stack.b = _pb;
- stack.a = _pa;
- stack = stack.next;
- }
-
- var yp = width;
- var _gInSum = 0,
- _bInSum = 0,
- _aInSum = 0,
- _rInSum = 0;
-
- for (var _i4 = 1; _i4 <= radius; _i4++) {
- yi = yp + _x << 2;
-
- var _rbs = radiusPlus1 - _i4;
-
- _rSum += (stack.r = _pr = pixels[yi]) * _rbs;
- _gSum += (stack.g = _pg = pixels[yi + 1]) * _rbs;
- _bSum += (stack.b = _pb = pixels[yi + 2]) * _rbs;
- _aSum += (stack.a = _pa = pixels[yi + 3]) * _rbs;
- _rInSum += _pr;
- _gInSum += _pg;
- _bInSum += _pb;
- _aInSum += _pa;
- stack = stack.next;
-
- if (_i4 < heightMinus1) {
- yp += width;
- }
- }
-
- yi = _x;
- stackIn = stackStart;
- stackOut = stackEnd;
-
- for (var _y = 0; _y < height; _y++) {
- var _p2 = yi << 2;
-
- pixels[_p2 + 3] = _pa = _aSum * mulSum >>> shgSum;
-
- if (_pa > 0) {
- _pa = 255 / _pa;
- pixels[_p2] = (_rSum * mulSum >>> shgSum) * _pa;
- pixels[_p2 + 1] = (_gSum * mulSum >>> shgSum) * _pa;
- pixels[_p2 + 2] = (_bSum * mulSum >>> shgSum) * _pa;
- } else {
- pixels[_p2] = pixels[_p2 + 1] = pixels[_p2 + 2] = 0;
- }
-
- _rSum -= _rOutSum;
- _gSum -= _gOutSum;
- _bSum -= _bOutSum;
- _aSum -= _aOutSum;
- _rOutSum -= stackIn.r;
- _gOutSum -= stackIn.g;
- _bOutSum -= stackIn.b;
- _aOutSum -= stackIn.a;
- _p2 = _x + ((_p2 = _y + radiusPlus1) < heightMinus1 ? _p2 : heightMinus1) * width << 2;
- _rSum += _rInSum += stackIn.r = pixels[_p2];
- _gSum += _gInSum += stackIn.g = pixels[_p2 + 1];
- _bSum += _bInSum += stackIn.b = pixels[_p2 + 2];
- _aSum += _aInSum += stackIn.a = pixels[_p2 + 3];
- stackIn = stackIn.next;
- _rOutSum += _pr = stackOut.r;
- _gOutSum += _pg = stackOut.g;
- _bOutSum += _pb = stackOut.b;
- _aOutSum += _pa = stackOut.a;
- _rInSum -= _pr;
- _gInSum -= _pg;
- _bInSum -= _pb;
- _aInSum -= _pa;
- stackOut = stackOut.next;
- yi += width;
- }
- }
-
- return imageData;
- }
- /**
- * @param {HTMLCanvasElement} canvas
- * @param {Integer} topX
- * @param {Integer} topY
- * @param {Integer} width
- * @param {Integer} height
- * @param {Float} radius
- * @returns {undefined}
- */
-
-
- function processCanvasRGB(canvas, topX, topY, width, height, radius) {
- if (isNaN(radius) || radius < 1) {
- return;
- }
-
- radius |= 0;
- var imageData = getImageDataFromCanvas(canvas, topX, topY, width, height);
- imageData = processImageDataRGB(imageData, topX, topY, width, height, radius);
- canvas.getContext('2d').putImageData(imageData, topX, topY);
- }
- /**
- * @param {ImageData} imageData
- * @param {Integer} topX
- * @param {Integer} topY
- * @param {Integer} width
- * @param {Integer} height
- * @param {Float} radius
- * @returns {ImageData}
- */
-
-
- function processImageDataRGB(imageData, topX, topY, width, height, radius) {
- var pixels = imageData.data;
- var div = 2 * radius + 1; // const w4 = width << 2;
-
- var widthMinus1 = width - 1;
- var heightMinus1 = height - 1;
- var radiusPlus1 = radius + 1;
- var sumFactor = radiusPlus1 * (radiusPlus1 + 1) / 2;
- var stackStart = new BlurStack();
- var stack = stackStart;
- var stackEnd;
-
- for (var i = 1; i < div; i++) {
- stack = stack.next = new BlurStack();
-
- if (i === radiusPlus1) {
- stackEnd = stack;
- }
- }
-
- stack.next = stackStart;
- var stackIn = null;
- var stackOut = null;
- var mulSum = mulTable[radius];
- var shgSum = shgTable[radius];
- var p, rbs;
- var yw = 0,
- yi = 0;
-
- for (var y = 0; y < height; y++) {
- var pr = pixels[yi],
- pg = pixels[yi + 1],
- pb = pixels[yi + 2],
- rOutSum = radiusPlus1 * pr,
- gOutSum = radiusPlus1 * pg,
- bOutSum = radiusPlus1 * pb,
- rSum = sumFactor * pr,
- gSum = sumFactor * pg,
- bSum = sumFactor * pb;
- stack = stackStart;
-
- for (var _i5 = 0; _i5 < radiusPlus1; _i5++) {
- stack.r = pr;
- stack.g = pg;
- stack.b = pb;
- stack = stack.next;
- }
-
- var rInSum = 0,
- gInSum = 0,
- bInSum = 0;
-
- for (var _i6 = 1; _i6 < radiusPlus1; _i6++) {
- p = yi + ((widthMinus1 < _i6 ? widthMinus1 : _i6) << 2);
- rSum += (stack.r = pr = pixels[p]) * (rbs = radiusPlus1 - _i6);
- gSum += (stack.g = pg = pixels[p + 1]) * rbs;
- bSum += (stack.b = pb = pixels[p + 2]) * rbs;
- rInSum += pr;
- gInSum += pg;
- bInSum += pb;
- stack = stack.next;
- }
-
- stackIn = stackStart;
- stackOut = stackEnd;
-
- for (var x = 0; x < width; x++) {
- pixels[yi] = rSum * mulSum >>> shgSum;
- pixels[yi + 1] = gSum * mulSum >>> shgSum;
- pixels[yi + 2] = bSum * mulSum >>> shgSum;
- rSum -= rOutSum;
- gSum -= gOutSum;
- bSum -= bOutSum;
- rOutSum -= stackIn.r;
- gOutSum -= stackIn.g;
- bOutSum -= stackIn.b;
- p = yw + ((p = x + radius + 1) < widthMinus1 ? p : widthMinus1) << 2;
- rInSum += stackIn.r = pixels[p];
- gInSum += stackIn.g = pixels[p + 1];
- bInSum += stackIn.b = pixels[p + 2];
- rSum += rInSum;
- gSum += gInSum;
- bSum += bInSum;
- stackIn = stackIn.next;
- rOutSum += pr = stackOut.r;
- gOutSum += pg = stackOut.g;
- bOutSum += pb = stackOut.b;
- rInSum -= pr;
- gInSum -= pg;
- bInSum -= pb;
- stackOut = stackOut.next;
- yi += 4;
- }
-
- yw += width;
- }
-
- for (var _x2 = 0; _x2 < width; _x2++) {
- yi = _x2 << 2;
-
- var _pr2 = pixels[yi],
- _pg2 = pixels[yi + 1],
- _pb2 = pixels[yi + 2],
- _rOutSum2 = radiusPlus1 * _pr2,
- _gOutSum2 = radiusPlus1 * _pg2,
- _bOutSum2 = radiusPlus1 * _pb2,
- _rSum2 = sumFactor * _pr2,
- _gSum2 = sumFactor * _pg2,
- _bSum2 = sumFactor * _pb2;
-
- stack = stackStart;
-
- for (var _i7 = 0; _i7 < radiusPlus1; _i7++) {
- stack.r = _pr2;
- stack.g = _pg2;
- stack.b = _pb2;
- stack = stack.next;
- }
-
- var _rInSum2 = 0,
- _gInSum2 = 0,
- _bInSum2 = 0;
-
- for (var _i8 = 1, yp = width; _i8 <= radius; _i8++) {
- yi = yp + _x2 << 2;
- _rSum2 += (stack.r = _pr2 = pixels[yi]) * (rbs = radiusPlus1 - _i8);
- _gSum2 += (stack.g = _pg2 = pixels[yi + 1]) * rbs;
- _bSum2 += (stack.b = _pb2 = pixels[yi + 2]) * rbs;
- _rInSum2 += _pr2;
- _gInSum2 += _pg2;
- _bInSum2 += _pb2;
- stack = stack.next;
-
- if (_i8 < heightMinus1) {
- yp += width;
- }
- }
-
- yi = _x2;
- stackIn = stackStart;
- stackOut = stackEnd;
-
- for (var _y2 = 0; _y2 < height; _y2++) {
- p = yi << 2;
- pixels[p] = _rSum2 * mulSum >>> shgSum;
- pixels[p + 1] = _gSum2 * mulSum >>> shgSum;
- pixels[p + 2] = _bSum2 * mulSum >>> shgSum;
- _rSum2 -= _rOutSum2;
- _gSum2 -= _gOutSum2;
- _bSum2 -= _bOutSum2;
- _rOutSum2 -= stackIn.r;
- _gOutSum2 -= stackIn.g;
- _bOutSum2 -= stackIn.b;
- p = _x2 + ((p = _y2 + radiusPlus1) < heightMinus1 ? p : heightMinus1) * width << 2;
- _rSum2 += _rInSum2 += stackIn.r = pixels[p];
- _gSum2 += _gInSum2 += stackIn.g = pixels[p + 1];
- _bSum2 += _bInSum2 += stackIn.b = pixels[p + 2];
- stackIn = stackIn.next;
- _rOutSum2 += _pr2 = stackOut.r;
- _gOutSum2 += _pg2 = stackOut.g;
- _bOutSum2 += _pb2 = stackOut.b;
- _rInSum2 -= _pr2;
- _gInSum2 -= _pg2;
- _bInSum2 -= _pb2;
- stackOut = stackOut.next;
- yi += width;
- }
- }
-
- return imageData;
- }
- /**
- *
- */
-
-
- var BlurStack =
- /**
- * Set properties.
- */
- function BlurStack() {
- _classCallCheck(this, BlurStack);
-
- this.r = 0;
- this.g = 0;
- this.b = 0;
- this.a = 0;
- this.next = null;
- };
-
- exports.BlurStack = BlurStack;
- exports.canvasRGB = processCanvasRGB;
- exports.canvasRGBA = processCanvasRGBA;
- exports.image = processImage;
- exports.imageDataRGB = processImageDataRGB;
- exports.imageDataRGBA = processImageDataRGBA;
-
- Object.defineProperty(exports, '__esModule', { value: true });
-
- })));
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