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node_modules/zrender/lib/graphic/CompoundPath.js 1.3 KB
aaac7fed   liuqimichale   add
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  var Path = require("./Path");
  
  // CompoundPath to improve performance
  var _default = Path.extend({
    type: 'compound',
    shape: {
      paths: null
    },
    _updatePathDirty: function () {
      var dirtyPath = this.__dirtyPath;
      var paths = this.shape.paths;
  
      for (var i = 0; i < paths.length; i++) {
        // Mark as dirty if any subpath is dirty
        dirtyPath = dirtyPath || paths[i].__dirtyPath;
      }
  
      this.__dirtyPath = dirtyPath;
      this.__dirty = this.__dirty || dirtyPath;
    },
    beforeBrush: function () {
      this._updatePathDirty();
  
      var paths = this.shape.paths || [];
      var scale = this.getGlobalScale(); // Update path scale
  
      for (var i = 0; i < paths.length; i++) {
        if (!paths[i].path) {
          paths[i].createPathProxy();
        }
  
        paths[i].path.setScale(scale[0], scale[1]);
      }
    },
    buildPath: function (ctx, shape) {
      var paths = shape.paths || [];
  
      for (var i = 0; i < paths.length; i++) {
        paths[i].buildPath(ctx, paths[i].shape, true);
      }
    },
    afterBrush: function () {
      var paths = this.shape.paths || [];
  
      for (var i = 0; i < paths.length; i++) {
        paths[i].__dirtyPath = false;
      }
    },
    getBoundingRect: function () {
      this._updatePathDirty();
  
      return Path.prototype.getBoundingRect.call(this);
    }
  });
  
  module.exports = _default;