swOperation/node_modules/@antv/g-canvas/dist/index.js

'use strict';

Object.defineProperty(exports, '__esModule', { value: true });

var gLite = require('@antv/g-lite');
var CanvasPathGenerator = require('@antv/g-plugin-canvas-path-generator');
var CanvasPicker = require('@antv/g-plugin-canvas-picker');
var CanvasRenderer = require('@antv/g-plugin-canvas-renderer');
var DomInteraction = require('@antv/g-plugin-dom-interaction');
var HTMLRenderer = require('@antv/g-plugin-html-renderer');
var ImageLoader = require('@antv/g-plugin-image-loader');
var util = require('@antv/util');

function _interopNamespace(e) {
  if (e && e.__esModule) return e;
  var n = Object.create(null);
  if (e) {
    Object.keys(e).forEach(function (k) {
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          enumerable: true,
          get: function () {
            return e[k];
          }
        });
      }
    });
  }
  n['default'] = e;
  return Object.freeze(n);
}

var CanvasPathGenerator__namespace = /*#__PURE__*/_interopNamespace(CanvasPathGenerator);
var CanvasPicker__namespace = /*#__PURE__*/_interopNamespace(CanvasPicker);
var CanvasRenderer__namespace = /*#__PURE__*/_interopNamespace(CanvasRenderer);
var DomInteraction__namespace = /*#__PURE__*/_interopNamespace(DomInteraction);
var HTMLRenderer__namespace = /*#__PURE__*/_interopNamespace(HTMLRenderer);
var ImageLoader__namespace = /*#__PURE__*/_interopNamespace(ImageLoader);

function _regeneratorRuntime() {
  _regeneratorRuntime = function () {
    return exports;
  };
  var exports = {},
    Op = Object.prototype,
    hasOwn = Op.hasOwnProperty,
    defineProperty = Object.defineProperty || function (obj, key, desc) {
      obj[key] = desc.value;
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    $Symbol = "function" == typeof Symbol ? Symbol : {},
    iteratorSymbol = $Symbol.iterator || "@@iterator",
    asyncIteratorSymbol = $Symbol.asyncIterator || "@@asyncIterator",
    toStringTagSymbol = $Symbol.toStringTag || "@@toStringTag";
  function define(obj, key, value) {
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      configurable: !0,
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    define = function (obj, key, value) {
      return obj[key] = value;
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  function wrap(innerFn, outerFn, self, tryLocsList) {
    var protoGenerator = outerFn && outerFn.prototype instanceof Generator ? outerFn : Generator,
      generator = Object.create(protoGenerator.prototype),
      context = new Context(tryLocsList || []);
    return defineProperty(generator, "_invoke", {
      value: makeInvokeMethod(innerFn, self, context)
    }), generator;
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  exports.wrap = wrap;
  var ContinueSentinel = {};
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        if ("next" === context.method) context.sent = context._sent = context.arg;else if ("throw" === context.method) {
          if ("suspendedStart" === state) throw state = "completed", context.arg;
          context.dispatchException(context.arg);
        } else "return" === context.method && context.abrupt("return", context.arg);
        state = "executing";
        var record = tryCatch(innerFn, self, context);
        if ("normal" === record.type) {
          if (state = context.done ? "completed" : "suspendedYield", record.arg === ContinueSentinel) continue;
          return {
            value: record.arg,
            done: context.done
          };
        }
        "throw" === record.type && (state = "completed", context.method = "throw", context.arg = record.arg);
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    };
  }
  function maybeInvokeDelegate(delegate, context) {
    var methodName = context.method,
      method = delegate.iterator[methodName];
    if (undefined === method) return context.delegate = null, "throw" === methodName && delegate.iterator.return && (context.method = "return", context.arg = undefined, maybeInvokeDelegate(delegate, context), "throw" === context.method) || "return" !== methodName && (context.method = "throw", context.arg = new TypeError("The iterator does not provide a '" + methodName + "' method")), ContinueSentinel;
    var record = tryCatch(method, delegate.iterator, context.arg);
    if ("throw" === record.type) return context.method = "throw", context.arg = record.arg, context.delegate = null, ContinueSentinel;
    var info = record.arg;
    return info ? info.done ? (context[delegate.resultName] = info.value, context.next = delegate.nextLoc, "return" !== context.method && (context.method = "next", context.arg = undefined), context.delegate = null, ContinueSentinel) : info : (context.method = "throw", context.arg = new TypeError("iterator result is not an object"), context.delegate = null, ContinueSentinel);
  }
  function pushTryEntry(locs) {
    var entry = {
      tryLoc: locs[0]
    };
    1 in locs && (entry.catchLoc = locs[1]), 2 in locs && (entry.finallyLoc = locs[2], entry.afterLoc = locs[3]), this.tryEntries.push(entry);
  }
  function resetTryEntry(entry) {
    var record = entry.completion || {};
    record.type = "normal", delete record.arg, entry.completion = record;
  }
  function Context(tryLocsList) {
    this.tryEntries = [{
      tryLoc: "root"
    }], tryLocsList.forEach(pushTryEntry, this), this.reset(!0);
  }
  function values(iterable) {
    if (iterable) {
      var iteratorMethod = iterable[iteratorSymbol];
      if (iteratorMethod) return iteratorMethod.call(iterable);
      if ("function" == typeof iterable.next) return iterable;
      if (!isNaN(iterable.length)) {
        var i = -1,
          next = function next() {
            for (; ++i < iterable.length;) if (hasOwn.call(iterable, i)) return next.value = iterable[i], next.done = !1, next;
            return next.value = undefined, next.done = !0, next;
          };
        return next.next = next;
      }
    }
    return {
      next: doneResult
    };
  }
  function doneResult() {
    return {
      value: undefined,
      done: !0
    };
  }
  return GeneratorFunction.prototype = GeneratorFunctionPrototype, defineProperty(Gp, "constructor", {
    value: GeneratorFunctionPrototype,
    configurable: !0
  }), defineProperty(GeneratorFunctionPrototype, "constructor", {
    value: GeneratorFunction,
    configurable: !0
  }), GeneratorFunction.displayName = define(GeneratorFunctionPrototype, toStringTagSymbol, "GeneratorFunction"), exports.isGeneratorFunction = function (genFun) {
    var ctor = "function" == typeof genFun && genFun.constructor;
    return !!ctor && (ctor === GeneratorFunction || "GeneratorFunction" === (ctor.displayName || ctor.name));
  }, exports.mark = function (genFun) {
    return Object.setPrototypeOf ? Object.setPrototypeOf(genFun, GeneratorFunctionPrototype) : (genFun.__proto__ = GeneratorFunctionPrototype, define(genFun, toStringTagSymbol, "GeneratorFunction")), genFun.prototype = Object.create(Gp), genFun;
  }, exports.awrap = function (arg) {
    return {
      __await: arg
    };
  }, defineIteratorMethods(AsyncIterator.prototype), define(AsyncIterator.prototype, asyncIteratorSymbol, function () {
    return this;
  }), exports.AsyncIterator = AsyncIterator, exports.async = function (innerFn, outerFn, self, tryLocsList, PromiseImpl) {
    void 0 === PromiseImpl && (PromiseImpl = Promise);
    var iter = new AsyncIterator(wrap(innerFn, outerFn, self, tryLocsList), PromiseImpl);
    return exports.isGeneratorFunction(outerFn) ? iter : iter.next().then(function (result) {
      return result.done ? result.value : iter.next();
    });
  }, defineIteratorMethods(Gp), define(Gp, toStringTagSymbol, "Generator"), define(Gp, iteratorSymbol, function () {
    return this;
  }), define(Gp, "toString", function () {
    return "[object Generator]";
  }), exports.keys = function (val) {
    var object = Object(val),
      keys = [];
    for (var key in object) keys.push(key);
    return keys.reverse(), function next() {
      for (; keys.length;) {
        var key = keys.pop();
        if (key in object) return next.value = key, next.done = !1, next;
      }
      return next.done = !0, next;
    };
  }, exports.values = values, Context.prototype = {
    constructor: Context,
    reset: function (skipTempReset) {
      if (this.prev = 0, this.next = 0, this.sent = this._sent = undefined, this.done = !1, this.delegate = null, this.method = "next", this.arg = undefined, this.tryEntries.forEach(resetTryEntry), !skipTempReset) for (var name in this) "t" === name.charAt(0) && hasOwn.call(this, name) && !isNaN(+name.slice(1)) && (this[name] = undefined);
    },
    stop: function () {
      this.done = !0;
      var rootRecord = this.tryEntries[0].completion;
      if ("throw" === rootRecord.type) throw rootRecord.arg;
      return this.rval;
    },
    dispatchException: function (exception) {
      if (this.done) throw exception;
      var context = this;
      function handle(loc, caught) {
        return record.type = "throw", record.arg = exception, context.next = loc, caught && (context.method = "next", context.arg = undefined), !!caught;
      }
      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
        var entry = this.tryEntries[i],
          record = entry.completion;
        if ("root" === entry.tryLoc) return handle("end");
        if (entry.tryLoc <= this.prev) {
          var hasCatch = hasOwn.call(entry, "catchLoc"),
            hasFinally = hasOwn.call(entry, "finallyLoc");
          if (hasCatch && hasFinally) {
            if (this.prev < entry.catchLoc) return handle(entry.catchLoc, !0);
            if (this.prev < entry.finallyLoc) return handle(entry.finallyLoc);
          } else if (hasCatch) {
            if (this.prev < entry.catchLoc) return handle(entry.catchLoc, !0);
          } else {
            if (!hasFinally) throw new Error("try statement without catch or finally");
            if (this.prev < entry.finallyLoc) return handle(entry.finallyLoc);
          }
        }
      }
    },
    abrupt: function (type, arg) {
      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
        var entry = this.tryEntries[i];
        if (entry.tryLoc <= this.prev && hasOwn.call(entry, "finallyLoc") && this.prev < entry.finallyLoc) {
          var finallyEntry = entry;
          break;
        }
      }
      finallyEntry && ("break" === type || "continue" === type) && finallyEntry.tryLoc <= arg && arg <= finallyEntry.finallyLoc && (finallyEntry = null);
      var record = finallyEntry ? finallyEntry.completion : {};
      return record.type = type, record.arg = arg, finallyEntry ? (this.method = "next", this.next = finallyEntry.finallyLoc, ContinueSentinel) : this.complete(record);
    },
    complete: function (record, afterLoc) {
      if ("throw" === record.type) throw record.arg;
      return "break" === record.type || "continue" === record.type ? this.next = record.arg : "return" === record.type ? (this.rval = this.arg = record.arg, this.method = "return", this.next = "end") : "normal" === record.type && afterLoc && (this.next = afterLoc), ContinueSentinel;
    },
    finish: function (finallyLoc) {
      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
        var entry = this.tryEntries[i];
        if (entry.finallyLoc === finallyLoc) return this.complete(entry.completion, entry.afterLoc), resetTryEntry(entry), ContinueSentinel;
      }
    },
    catch: function (tryLoc) {
      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
        var entry = this.tryEntries[i];
        if (entry.tryLoc === tryLoc) {
          var record = entry.completion;
          if ("throw" === record.type) {
            var thrown = record.arg;
            resetTryEntry(entry);
          }
          return thrown;
        }
      }
      throw new Error("illegal catch attempt");
    },
    delegateYield: function (iterable, resultName, nextLoc) {
      return this.delegate = {
        iterator: values(iterable),
        resultName: resultName,
        nextLoc: nextLoc
      }, "next" === this.method && (this.arg = undefined), ContinueSentinel;
    }
  }, exports;
}
function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) {
  try {
    var info = gen[key](arg);
    var value = info.value;
  } catch (error) {
    reject(error);
    return;
  }
  if (info.done) {
    resolve(value);
  } else {
    Promise.resolve(value).then(_next, _throw);
  }
}
function _asyncToGenerator(fn) {
  return function () {
    var self = this,
      args = arguments;
    return new Promise(function (resolve, reject) {
      var gen = fn.apply(self, args);
      function _next(value) {
        asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value);
      }
      function _throw(err) {
        asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err);
      }
      _next(undefined);
    });
  };
}
function _inheritsLoose(subClass, superClass) {
  subClass.prototype = Object.create(superClass.prototype);
  subClass.prototype.constructor = subClass;
  _setPrototypeOf(subClass, superClass);
}
function _setPrototypeOf(o, p) {
  _setPrototypeOf = Object.setPrototypeOf ? Object.setPrototypeOf.bind() : function _setPrototypeOf(o, p) {
    o.__proto__ = p;
    return o;
  };
  return _setPrototypeOf(o, p);
}

var Canvas2DContextService = /*#__PURE__*/function () {
  function Canvas2DContextService(context) {
    this.$container = void 0;
    this.$canvas = void 0;
    this.dpr = void 0;
    this.context = void 0;
    this.canvasConfig = void 0;
    this.renderingContext = void 0;
    this.renderingContext = context.renderingContext;
    this.canvasConfig = context.config;
  }
  var _proto = Canvas2DContextService.prototype;
  _proto.init = function init() {
    var _this$canvasConfig = this.canvasConfig,
      container = _this$canvasConfig.container,
      canvas = _this$canvasConfig.canvas;
    if (canvas) {
      this.$canvas = canvas;
      if (container && canvas.parentElement !== container) {
        container.appendChild(canvas);
      }
      this.$container = canvas.parentElement;
      this.canvasConfig.container = this.$container;
    } else if (container) {
      // create container
      this.$container = util.isString(container) ? document.getElementById(container) : container;
      if (this.$container) {
        // create canvas
        var $canvas = document.createElement('canvas');
        this.$container.appendChild($canvas);
        if (!this.$container.style.position) {
          this.$container.style.position = 'relative';
        }
        this.$canvas = $canvas;
      }
    }
    this.context = this.$canvas.getContext('2d');
    this.resize(this.canvasConfig.width, this.canvasConfig.height);
  };
  _proto.getContext = function getContext() {
    return this.context;
  };
  _proto.getDomElement = function getDomElement() {
    return this.$canvas;
  };
  _proto.getDPR = function getDPR() {
    return this.dpr;
  };
  _proto.getBoundingClientRect = function getBoundingClientRect() {
    if (this.$canvas.getBoundingClientRect) {
      return this.$canvas.getBoundingClientRect();
    }
  };
  _proto.destroy = function destroy() {
    // @ts-ignore
    if (this.$container && this.$canvas && this.$canvas.parentNode) {
      // destroy context
      // @ts-ignore
      this.$container.removeChild(this.$canvas);
    }
  };
  _proto.resize = function resize(width, height) {
    var devicePixelRatio = this.canvasConfig.devicePixelRatio;
    // use user-defined dpr first
    var dpr = devicePixelRatio || gLite.isBrowser && window.devicePixelRatio || 1;
    dpr = dpr >= 1 ? Math.ceil(dpr) : 1;
    this.dpr = dpr;
    if (this.$canvas) {
      // set canvas width & height
      this.$canvas.width = this.dpr * width;
      this.$canvas.height = this.dpr * height;
      // set CSS style width & height
      gLite.setDOMSize(this.$canvas, width, height);
      // const dpr = this.getDPR();
      // scale all drawing operations by the dpr
      // @see https://www.html5rocks.com/en/tutorials/canvas/hidpi/
      // this.context.scale(dpr, dpr);
    }

    this.renderingContext.renderReasons.add(gLite.RenderReason.CAMERA_CHANGED);
  };
  _proto.applyCursorStyle = function applyCursorStyle(cursor) {
    if (this.$container && this.$container.style) {
      this.$container.style.cursor = cursor;
    }
  };
  _proto.toDataURL = /*#__PURE__*/function () {
    var _toDataURL = _asyncToGenerator( /*#__PURE__*/_regeneratorRuntime().mark(function _callee(options) {
      var _options, type, encoderOptions;
      return _regeneratorRuntime().wrap(function _callee$(_context) {
        while (1) switch (_context.prev = _context.next) {
          case 0:
            if (options === void 0) {
              options = {};
            }
            _options = options, type = _options.type, encoderOptions = _options.encoderOptions;
            return _context.abrupt("return", this.context.canvas.toDataURL(type, encoderOptions));
          case 3:
          case "end":
            return _context.stop();
        }
      }, _callee, this);
    }));
    function toDataURL(_x) {
      return _toDataURL.apply(this, arguments);
    }
    return toDataURL;
  }();
  return Canvas2DContextService;
}();

var ContextRegisterPlugin = /*#__PURE__*/function (_AbstractRendererPlug) {
  _inheritsLoose(ContextRegisterPlugin, _AbstractRendererPlug);
  function ContextRegisterPlugin() {
    var _this;
    for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
      args[_key] = arguments[_key];
    }
    _this = _AbstractRendererPlug.call.apply(_AbstractRendererPlug, [this].concat(args)) || this;
    _this.name = 'canvas-context-register';
    return _this;
  }
  var _proto = ContextRegisterPlugin.prototype;
  _proto.init = function init() {
    this.context.ContextService = Canvas2DContextService;
  };
  _proto.destroy = function destroy() {
    delete this.context.ContextService;
  };
  return ContextRegisterPlugin;
}(gLite.AbstractRendererPlugin);

var Renderer = /*#__PURE__*/function (_AbstractRenderer) {
  _inheritsLoose(Renderer, _AbstractRenderer);
  function Renderer(config) {
    var _this;
    _this = _AbstractRenderer.call(this, config) || this;
    // register Canvas2DContext
    _this.registerPlugin(new ContextRegisterPlugin());
    _this.registerPlugin(new ImageLoader.Plugin());
    _this.registerPlugin(new CanvasPathGenerator.Plugin());
    // enable rendering with Canvas2D API
    _this.registerPlugin(new CanvasRenderer.Plugin());
    _this.registerPlugin(new DomInteraction.Plugin());
    // enable picking with Canvas2D API
    _this.registerPlugin(new CanvasPicker.Plugin());
    // render HTML component
    _this.registerPlugin(new HTMLRenderer.Plugin());
    return _this;
  }
  return Renderer;
}(gLite.AbstractRenderer);

exports.CanvasPathGenerator = CanvasPathGenerator__namespace;
exports.CanvasPicker = CanvasPicker__namespace;
exports.CanvasRenderer = CanvasRenderer__namespace;
exports.DomInteraction = DomInteraction__namespace;
exports.HTMLRenderer = HTMLRenderer__namespace;
exports.ImageLoader = ImageLoader__namespace;
exports.Renderer = Renderer;