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node_modules/lottie-web/player/js/elements/canvasElements/CVCompElement.js

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+import {
+  extendPrototype,
+} from '../../utils/functionExtensions';
+import {
+  createSizedArray,
+} from '../../utils/helpers/arrays';
+import PropertyFactory from '../../utils/PropertyFactory';
+import CanvasRendererBase from '../../renderers/CanvasRendererBase';
+import CVBaseElement from './CVBaseElement';
+import ICompElement from '../CompElement';
+
+function CVCompElement(data, globalData, comp) {
+  this.completeLayers = false;
+  this.layers = data.layers;
+  this.pendingElements = [];
+  this.elements = createSizedArray(this.layers.length);
+  this.initElement(data, globalData, comp);
+  this.tm = data.tm ? PropertyFactory.getProp(this, data.tm, 0, globalData.frameRate, this) : { _placeholder: true };
+}
+
+extendPrototype([CanvasRendererBase, ICompElement, CVBaseElement], CVCompElement);
+
+CVCompElement.prototype.renderInnerContent = function () {
+  var ctx = this.canvasContext;
+  ctx.beginPath();
+  ctx.moveTo(0, 0);
+  ctx.lineTo(this.data.w, 0);
+  ctx.lineTo(this.data.w, this.data.h);
+  ctx.lineTo(0, this.data.h);
+  ctx.lineTo(0, 0);
+  ctx.clip();
+  var i;
+  var len = this.layers.length;
+  for (i = len - 1; i >= 0; i -= 1) {
+    if (this.completeLayers || this.elements[i]) {
+      this.elements[i].renderFrame();
+    }
+  }
+};
+
+CVCompElement.prototype.destroy = function () {
+  var i;
+  var len = this.layers.length;
+  for (i = len - 1; i >= 0; i -= 1) {
+    if (this.elements[i]) {
+      this.elements[i].destroy();
+    }
+  }
+  this.layers = null;
+  this.elements = null;
+};
+
+CVCompElement.prototype.createComp = function (data) {
+  return new CVCompElement(data, this.globalData, this);
+};
+
+export default CVCompElement;