feat: 第一次上传代码

2025-06-29 23:41:37 +08:00
commit 875c60d3ec
478 changed files with 385642 additions and 0 deletions
--- a/node_modules/lottie-web/player/js/elements/svgElements/effects/SVGDropShadowEffect.js
+++ b/node_modules/lottie-web/player/js/elements/svgElements/effects/SVGDropShadowEffect.js
@@ -0,0 +1,83 @@
+import {
+  degToRads,
+  rgbToHex,
+} from '../../../utils/common';
+import createNS from '../../../utils/helpers/svg_elements';
+import SVGComposableEffect from './SVGComposableEffect';
+import {
+  extendPrototype,
+} from '../../../utils/functionExtensions';
+
+function SVGDropShadowEffect(filter, filterManager, elem, id, source) {
+  var globalFilterSize = filterManager.container.globalData.renderConfig.filterSize;
+  var filterSize = filterManager.data.fs || globalFilterSize;
+  filter.setAttribute('x', filterSize.x || globalFilterSize.x);
+  filter.setAttribute('y', filterSize.y || globalFilterSize.y);
+  filter.setAttribute('width', filterSize.width || globalFilterSize.width);
+  filter.setAttribute('height', filterSize.height || globalFilterSize.height);
+  this.filterManager = filterManager;
+
+  var feGaussianBlur = createNS('feGaussianBlur');
+  feGaussianBlur.setAttribute('in', 'SourceAlpha');
+  feGaussianBlur.setAttribute('result', id + '_drop_shadow_1');
+  feGaussianBlur.setAttribute('stdDeviation', '0');
+  this.feGaussianBlur = feGaussianBlur;
+  filter.appendChild(feGaussianBlur);
+
+  var feOffset = createNS('feOffset');
+  feOffset.setAttribute('dx', '25');
+  feOffset.setAttribute('dy', '0');
+  feOffset.setAttribute('in', id + '_drop_shadow_1');
+  feOffset.setAttribute('result', id + '_drop_shadow_2');
+  this.feOffset = feOffset;
+  filter.appendChild(feOffset);
+  var feFlood = createNS('feFlood');
+  feFlood.setAttribute('flood-color', '#00ff00');
+  feFlood.setAttribute('flood-opacity', '1');
+  feFlood.setAttribute('result', id + '_drop_shadow_3');
+  this.feFlood = feFlood;
+  filter.appendChild(feFlood);
+
+  var feComposite = createNS('feComposite');
+  feComposite.setAttribute('in', id + '_drop_shadow_3');
+  feComposite.setAttribute('in2', id + '_drop_shadow_2');
+  feComposite.setAttribute('operator', 'in');
+  feComposite.setAttribute('result', id + '_drop_shadow_4');
+  filter.appendChild(feComposite);
+
+  var feMerge = this.createMergeNode(
+    id,
+    [
+      id + '_drop_shadow_4',
+      source,
+    ]
+  );
+  filter.appendChild(feMerge);
+  //
+}
+extendPrototype([SVGComposableEffect], SVGDropShadowEffect);
+
+SVGDropShadowEffect.prototype.renderFrame = function (forceRender) {
+  if (forceRender || this.filterManager._mdf) {
+    if (forceRender || this.filterManager.effectElements[4].p._mdf) {
+      this.feGaussianBlur.setAttribute('stdDeviation', this.filterManager.effectElements[4].p.v / 4);
+    }
+    if (forceRender || this.filterManager.effectElements[0].p._mdf) {
+      var col = this.filterManager.effectElements[0].p.v;
+      this.feFlood.setAttribute('flood-color', rgbToHex(Math.round(col[0] * 255), Math.round(col[1] * 255), Math.round(col[2] * 255)));
+    }
+    if (forceRender || this.filterManager.effectElements[1].p._mdf) {
+      this.feFlood.setAttribute('flood-opacity', this.filterManager.effectElements[1].p.v / 255);
+    }
+    if (forceRender || this.filterManager.effectElements[2].p._mdf || this.filterManager.effectElements[3].p._mdf) {
+      var distance = this.filterManager.effectElements[3].p.v;
+      var angle = (this.filterManager.effectElements[2].p.v - 90) * degToRads;
+      var x = distance * Math.cos(angle);
+      var y = distance * Math.sin(angle);
+      this.feOffset.setAttribute('dx', x);
+      this.feOffset.setAttribute('dy', y);
+    }
+  }
+};
+
+export default SVGDropShadowEffect;