react-img-editor-en/es/plugins/Download.js

Image Annotation Tool for React

function _defineProperties(e, r) { for (var t = 0; t < r.length; t++) { var o = r[t]; o.enumerable = o.enumerable || !1, o.configurable = !0, "value" in o && (o.writable = !0), Object.defineProperty(e, _toPropertyKey(o.key), o); } }
function _createClass(e, r, t) { return r && _defineProperties(e.prototype, r), t && _defineProperties(e, t), Object.defineProperty(e, "prototype", { writable: !1 }), e; }
function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == typeof i ? i : i + ""; }
function _toPrimitive(t, r) { if ("object" != typeof t || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != typeof i) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); }
function _classCallCheck(a, n) { if (!(a instanceof n)) throw new TypeError("Cannot call a class as a function"); }
function _callSuper(t, o, e) { return o = _getPrototypeOf(o), _possibleConstructorReturn(t, _isNativeReflectConstruct() ? Reflect.construct(o, e || [], _getPrototypeOf(t).constructor) : o.apply(t, e)); }
function _possibleConstructorReturn(t, e) { if (e && ("object" == typeof e || "function" == typeof e)) return e; if (void 0 !== e) throw new TypeError("Derived constructors may only return object or undefined"); return _assertThisInitialized(t); }
function _assertThisInitialized(e) { if (void 0 === e) throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); return e; }
function _isNativeReflectConstruct() { try { var t = !Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); } catch (t) {} return (_isNativeReflectConstruct = function _isNativeReflectConstruct() { return !!t; })(); }
function _getPrototypeOf(t) { return _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf.bind() : function (t) { return t.__proto__ || Object.getPrototypeOf(t); }, _getPrototypeOf(t); }
function _inherits(t, e) { if ("function" != typeof e && null !== e) throw new TypeError("Super expression must either be null or a function"); t.prototype = Object.create(e && e.prototype, { constructor: { value: t, writable: !0, configurable: !0 } }), Object.defineProperty(t, "prototype", { writable: !1 }), e && _setPrototypeOf(t, e); }
function _setPrototypeOf(t, e) { return _setPrototypeOf = Object.setPrototypeOf ? Object.setPrototypeOf.bind() : function (t, e) { return t.__proto__ = e, t; }, _setPrototypeOf(t, e); }
import Plugin from "./Plugin";
var Download = /*#__PURE__*/function (_Plugin) {
  function Download() {
    var _this;
    _classCallCheck(this, Download);
    _this = _callSuper(this, Download, arguments);
    _this.name = "download";
    _this.iconfont = "iconfont icon-download";
    _this.title = "Download";
    _this.disappearImmediately = true;
    _this.onEnter = function (drawEventParams) {
      var stage = drawEventParams.stage,
        pixelRatio = drawEventParams.pixelRatio,
        imageElement = drawEventParams.imageElement;
      // 延迟下载，等触发 plugin 的 onLeave 生命周期，清除未完成的现场
      setTimeout(function () {
        var canvas = stage.toCanvas({
          pixelRatio: pixelRatio,
          width: imageElement.width(),
          height: imageElement.height()
        });
        canvas.toBlob(function (blob) {
          var link = document.createElement("a");
          link.download = "";
          link.href = URL.createObjectURL(blob);
          link.click();
        }, "image/jpeg");
      }, 100);
    };
    return _this;
  }
  _inherits(Download, _Plugin);
  return _createClass(Download);
}(Plugin);
export { Download as default };