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node_modules/lottie-web/player/js/elements/svgElements/SVGEffects.js

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+import { getLocationHref } from '../../main';
+import {
+  createElementID,
+} from '../../utils/common';
+import filtersFactory from '../../utils/filters';
+
+var registeredEffects = {};
+var idPrefix = 'filter_result_';
+
+function SVGEffects(elem) {
+  var i;
+  var source = 'SourceGraphic';
+  var len = elem.data.ef ? elem.data.ef.length : 0;
+  var filId = createElementID();
+  var fil = filtersFactory.createFilter(filId, true);
+  var count = 0;
+  this.filters = [];
+  var filterManager;
+  for (i = 0; i < len; i += 1) {
+    filterManager = null;
+    var type = elem.data.ef[i].ty;
+    if (registeredEffects[type]) {
+      var Effect = registeredEffects[type].effect;
+      filterManager = new Effect(fil, elem.effectsManager.effectElements[i], elem, idPrefix + count, source);
+      source = idPrefix + count;
+      if (registeredEffects[type].countsAsEffect) {
+        count += 1;
+      }
+    }
+    if (filterManager) {
+      this.filters.push(filterManager);
+    }
+  }
+  if (count) {
+    elem.globalData.defs.appendChild(fil);
+    elem.layerElement.setAttribute('filter', 'url(' + getLocationHref() + '#' + filId + ')');
+  }
+  if (this.filters.length) {
+    elem.addRenderableComponent(this);
+  }
+}
+
+SVGEffects.prototype.renderFrame = function (_isFirstFrame) {
+  var i;
+  var len = this.filters.length;
+  for (i = 0; i < len; i += 1) {
+    this.filters[i].renderFrame(_isFirstFrame);
+  }
+};
+
+SVGEffects.prototype.getEffects = function (type) {
+  var i;
+  var len = this.filters.length;
+  var effects = [];
+  for (i = 0; i < len; i += 1) {
+    if (this.filters[i].type === type) {
+      effects.push(this.filters[i]);
+    }
+  }
+  return effects;
+};
+
+export function registerEffect(id, effect, countsAsEffect) {
+  registeredEffects[id] = {
+    effect,
+    countsAsEffect,
+  };
+}
+
+export default SVGEffects;