react-img-editor-en/lib/plugins/Pen.js

Image Annotation Tool for React

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports["default"] = void 0;
var _konva = _interopRequireDefault(require("konva"));
var _Plugin2 = _interopRequireDefault(require("./Plugin"));
var _utils = require("../common/utils");
function _interopRequireDefault(e) { return e && e.__esModule ? e : { "default": e }; }
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); }
var Pen = exports["default"] = /*#__PURE__*/function (_Plugin) {
  function Pen() {
    var _this;
    _classCallCheck(this, Pen);
    _this = _callSuper(this, Pen, arguments);
    _this.name = "pen";
    _this.iconfont = "iconfont icon-pen";
    _this.title = "Pen";
    _this.params = ["strokeWidth", "lineType", "color"];
    _this.defaultParamValue = {
      strokeWidth: 2,
      lineType: "solid",
      color: "#F5222D"
    };
    _this.lastLine = null;
    _this.isPaint = false;
    _this.onDrawStart = function (drawEventParams) {
      var stage = drawEventParams.stage,
        drawLayer = drawEventParams.drawLayer,
        paramValue = drawEventParams.paramValue;
      var pos = stage.getPointerPosition();
      if (!pos) return;
      _this.isPaint = true;
      _this.lastLine = new _konva["default"].Line({
        id: (0, _utils.uuid)(),
        stroke: paramValue && paramValue.color ? paramValue.color : _this.defaultParamValue.color,
        strokeWidth: paramValue && paramValue.strokeWidth ? paramValue.strokeWidth : _this.defaultParamValue.strokeWidth,
        globalCompositeOperation: "source-over",
        points: [pos.x, pos.y],
        dashEnabled: !!(paramValue && paramValue.lineType && paramValue.lineType === "dash"),
        dash: [8],
        tension: 1,
        lineCap: "round",
        lineJoin: "round"
      });
      drawLayer.add(_this.lastLine);
    };
    _this.onDraw = function (drawEventParams) {
      var stage = drawEventParams.stage,
        drawLayer = drawEventParams.drawLayer;
      var pos = stage.getPointerPosition();
      if (!_this.isPaint || !pos) return;
      var newPoints = _this.lastLine.points().concat([pos.x, pos.y]);
      _this.lastLine.points(newPoints);
      drawLayer.batchDraw();
    };
    _this.onDrawEnd = function (drawEventParams) {
      var pubSub = drawEventParams.pubSub;
      _this.isPaint = false;
      pubSub.pub("PUSH_HISTORY", _this.lastLine);
    };
    _this.onLeave = function () {
      _this.isPaint = false;
    };
    return _this;
  }
  _inherits(Pen, _Plugin);
  return _createClass(Pen);
}(_Plugin2["default"]);