Liferay.Loader.define("frontend-image-editor-web@4.0.21/RotateComponent.es", ['module', 'exports', 'require', 'frontend-js-metal-web$metal', 'frontend-js-metal-web$metal-component', 'frontend-js-metal-web$metal-soy', './RotateComponent.soy', './RotateControls.soy'], function (module, exports, require) {
  var define = undefined;
  var global = window;
  {
    Object.defineProperty(exports, "__esModule", {
      value: true
    });
    exports["default"] = void 0;

    var _metal = require("frontend-js-metal-web$metal");

    var _metalComponent = _interopRequireDefault(require("frontend-js-metal-web$metal-component"));

    var _metalSoy = _interopRequireDefault(require("frontend-js-metal-web$metal-soy"));

    var _RotateComponent = _interopRequireDefault(require("./RotateComponent.soy"));

    require("./RotateControls.soy");

    function _interopRequireDefault(obj) {
      return obj && obj.__esModule ? obj : { "default": obj };
    }

    function _typeof(obj) {
      "@babel/helpers - typeof";
      if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") {
        _typeof = function _typeof(obj) {
          return typeof obj;
        };
      } else {
        _typeof = function _typeof(obj) {
          return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
        };
      }return _typeof(obj);
    }

    function _classCallCheck(instance, Constructor) {
      if (!(instance instanceof Constructor)) {
        throw new TypeError("Cannot call a class as a function");
      }
    }

    function _defineProperties(target, props) {
      for (var i = 0; i < props.length; i++) {
        var descriptor = props[i];descriptor.enumerable = descriptor.enumerable || false;descriptor.configurable = true;if ("value" in descriptor) descriptor.writable = true;Object.defineProperty(target, descriptor.key, descriptor);
      }
    }

    function _createClass(Constructor, protoProps, staticProps) {
      if (protoProps) _defineProperties(Constructor.prototype, protoProps);if (staticProps) _defineProperties(Constructor, staticProps);return Constructor;
    }

    function _possibleConstructorReturn(self, call) {
      if (call && (_typeof(call) === "object" || typeof call === "function")) {
        return call;
      }return _assertThisInitialized(self);
    }

    function _assertThisInitialized(self) {
      if (self === void 0) {
        throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
      }return self;
    }

    function _getPrototypeOf(o) {
      _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) {
        return o.__proto__ || Object.getPrototypeOf(o);
      };return _getPrototypeOf(o);
    }

    function _inherits(subClass, superClass) {
      if (typeof superClass !== "function" && superClass !== null) {
        throw new TypeError("Super expression must either be null or a function");
      }subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } });if (superClass) _setPrototypeOf(subClass, superClass);
    }

    function _setPrototypeOf(o, p) {
      _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) {
        o.__proto__ = p;return o;
      };return _setPrototypeOf(o, p);
    }

    /**
     * Creates a Rotate component.
     */
    var RotateComponent = /*#__PURE__*/function (_Component) {
      _inherits(RotateComponent, _Component);

      function RotateComponent() {
        _classCallCheck(this, RotateComponent);

        return _possibleConstructorReturn(this, _getPrototypeOf(RotateComponent).apply(this, arguments));
      }

      _createClass(RotateComponent, [{
        key: "attached",

        /**
         * @inheritDoc
         */
        value: function attached() {
          this.cache_ = {};
          this.rotationAngle_ = 0;
        }
        /**
         * @inheritDoc
         */

      }, {
        key: "detached",
        value: function detached() {
          this.cache_ = {};
        }
        /**
         * Rotates the image to the current selected rotation angle.
         *
         * @param  {ImageData} imageData The image data representation of the image.
         * @return {Promise} A promise that resolves when processing is
         * complete.
         */

      }, {
        key: "preview",
        value: function preview(imageData) {
          return this.process(imageData);
        }
        /**
         * Rotates the image to the current selected rotation angle.
         *
         * @param  {ImageData} imageData The image data representation of the image.
         * @return {Promise} A promise that resolves when processing is
         * complete.
         */

      }, {
        key: "process",
        value: function process(imageData) {
          var promise = this.cache_[this.rotationAngle_];

          if (!promise) {
            promise = this.rotate_(imageData, this.rotationAngle_);
            this.cache_[this.rotationAngle_] = promise;
          }

          return promise;
        }
        /**
         * Rotates the passed image data to the current rotation angle.
         *
         * @param  {ImageData} imageData The image data to rotate.
         * @param  {number} rotationAngle The normalized rotation angle (in degrees)
         * in the range [0-360).
         * @protected
         * @return {Promise} A promise that resolves when the image is
         * rotated.
         */

      }, {
        key: "rotate_",
        value: function rotate_(imageData, rotationAngle) {
          var cancellablePromise = new Promise(function (resolve) {
            var imageWidth = imageData.width;
            var imageHeight = imageData.height;
            var swapDimensions = rotationAngle / 90 % 2;
            var imageCanvas = document.createElement('canvas');
            imageCanvas.width = imageWidth;
            imageCanvas.height = imageHeight;
            imageCanvas.getContext('2d').putImageData(imageData, 0, 0);
            var offscreenCanvas = document.createElement('canvas');
            offscreenCanvas.width = swapDimensions ? imageHeight : imageWidth;
            offscreenCanvas.height = swapDimensions ? imageWidth : imageHeight;
            var offscreenContext = offscreenCanvas.getContext('2d');
            offscreenContext.save();
            offscreenContext.translate(offscreenCanvas.width / 2, offscreenCanvas.height / 2);
            offscreenContext.rotate(rotationAngle * Math.PI / 180);
            offscreenContext.drawImage(imageCanvas, -imageCanvas.width / 2, -imageCanvas.height / 2);
            offscreenContext.restore();
            resolve(offscreenContext.getImageData(0, 0, offscreenCanvas.width, offscreenCanvas.height));
          });
          return cancellablePromise;
        }
        /**
         * Rotates the image 90º counter-clockwise.
         */

      }, {
        key: "rotateLeft",
        value: function rotateLeft() {
          this.rotationAngle_ = (this.rotationAngle_ - 90) % 360;
          this.requestImageEditorPreview();
        }
        /**
         * Rotates the image 90º clockwise.
         */

      }, {
        key: "rotateRight",
        value: function rotateRight() {
          this.rotationAngle_ = (this.rotationAngle_ + 90) % 360;
          this.requestImageEditorPreview();
        }
      }]);

      return RotateComponent;
    }(_metalComponent["default"]);
    /**
     * State definition.
     *
     * @static
     * @type {!Object}
     */

    RotateComponent.STATE = {
      /**
       * Path of this module.
       *
       * @type {Function}
       */
      modulePath: {
        validator: _metal.core.isString
      },

      /**
       * Injected method that notifies the editor that this component wants to
       * generate a preview version of the image.
       *
       * @type {Function}
       */
      requestImageEditorPreview: {
        validator: _metal.core.isFunction
      }
    };

    _metalSoy["default"].register(RotateComponent, _RotateComponent["default"]);

    var _default = RotateComponent;
    exports["default"] = _default;
    //# sourceMappingURL=RotateComponent.es.js.map
  }
});
//# sourceMappingURL=RotateComponent.es.js.map