@core-graphics/rect/dist/lite-3fdd983e.esm.js

JS utilities for managing rects

import { Point } from '@core-graphics/point';
import { Size } from '@core-graphics/size';

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

function _defineProperty(obj, key, value) {
  if (key in obj) {
    Object.defineProperty(obj, key, {
      value: value,
      enumerable: true,
      configurable: true,
      writable: true
    });
  } else {
    obj[key] = value;
  }

  return obj;
}

function _typeof(obj) {
  "@babel/helpers - typeof";

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

  return _typeof(obj);
}

function ownKeys(object, enumerableOnly) {
  var keys = Object.keys(object);

  if (Object.getOwnPropertySymbols) {
    var symbols = Object.getOwnPropertySymbols(object);

    if (enumerableOnly) {
      symbols = symbols.filter(function (sym) {
        return Object.getOwnPropertyDescriptor(object, sym).enumerable;
      });
    }

    keys.push.apply(keys, symbols);
  }

  return keys;
}

function _objectSpread2(target) {
  for (var i = 1; i < arguments.length; i++) {
    var source = arguments[i] != null ? arguments[i] : {};

    if (i % 2) {
      ownKeys(Object(source), true).forEach(function (key) {
        _defineProperty(target, key, source[key]);
      });
    } else if (Object.getOwnPropertyDescriptors) {
      Object.defineProperties(target, Object.getOwnPropertyDescriptors(source));
    } else {
      ownKeys(Object(source)).forEach(function (key) {
        Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key));
      });
    }
  }

  return target;
}

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;
}

/**
 * A structure that contains the location and dimensions of a rectangle.
 */

var Rect = /*#__PURE__*/function () {
  /**
   * A point that specifies the coordinates of the rectangle’s origin.
   */

  /**
   * A size that specifies the height and width of the rectangle.
   */

  /* -----------------------------------------------------------------------------
   * Creating a Rectangle
   * -----------------------------------------------------------------------------*/

  /**
   * Creates a rectangle with the specified origin and size.
   */
  function Rect(value) {
    var _this = this;

    _classCallCheck(this, Rect);

    _defineProperty(this, "origin", void 0);

    _defineProperty(this, "size", void 0);

    _defineProperty(this, "withOrigin", function (origin) {
      return new Rect(_objectSpread2(_objectSpread2({}, _this.value), origin));
    });

    _defineProperty(this, "clone", function () {
      return new Rect(_this.value);
    });

    _defineProperty(this, "toString", function () {
      return JSON.stringify(_this.value);
    });

    _defineProperty(this, "toJSON", function () {
      return _objectSpread2(_objectSpread2({}, _this.origin.value), _this.size.value);
    });

    _defineProperty(this, "set", function (rect) {
      _this.origin.set(rect);

      _this.size.set(rect);

      return _this;
    });

    _defineProperty(this, "reset", function () {
      _this.origin.reset();

      _this.size.reset();

      return _this;
    });

    _defineProperty(this, "toIntegral", function () {
      var rect = _this.clone();

      rect.origin.toIntegral();
      rect.size.toIntegral();
      return rect;
    });

    _defineProperty(this, "round", function (decimal) {
      _this.origin.round(decimal);

      _this.size.round(decimal);

      return _this;
    });

    this.origin = new Point(value);
    this.size = new Size(value);
  }
  /**
   * Creates a Rect from specified point and size as arguments
   */


  _createClass(Rect, [{
    key: "withSize",
    value:
    /**
     * Returns a new rect with updated size
     */
    function withSize(size) {
      return new Rect(_objectSpread2(_objectSpread2({}, this.value), size));
    }
    /**
     * Create a copy of the current rectangle
     */

  }, {
    key: "value",
    get: function get() {
      return this.toJSON();
    }
    /* -----------------------------------------------------------------------------
     * Geometric Properties
     * -----------------------------------------------------------------------------*/

  }, {
    key: "area",
    get: function get() {
      return this.width * this.height;
    }
  }, {
    key: "x",
    get: function get() {
      return this.origin.x;
    }
  }, {
    key: "y",
    get: function get() {
      return this.origin.y;
    }
  }, {
    key: "width",
    get: function get() {
      return this.size.width;
    }
  }, {
    key: "height",
    get: function get() {
      return this.size.height;
    }
  }, {
    key: "minX",
    get: function get() {
      return this.x;
    }
  }, {
    key: "midX",
    get: function get() {
      return this.x + this.width / 2;
    }
  }, {
    key: "maxX",
    get: function get() {
      return this.x + this.width;
    }
  }, {
    key: "minY",
    get: function get() {
      return this.y;
    }
  }, {
    key: "midY",
    get: function get() {
      return this.y + this.height / 2;
    }
  }, {
    key: "maxY",
    get: function get() {
      return this.y + this.height;
    }
  }, {
    key: "topLeftPoint",
    get: function get() {
      return new Point({
        x: this.minX,
        y: this.minY
      });
    }
  }, {
    key: "topRightPoint",
    get: function get() {
      return new Point({
        x: this.maxX,
        y: this.minY
      });
    }
  }, {
    key: "bottomLeftPoint",
    get: function get() {
      return new Point({
        x: this.minX,
        y: this.maxY
      });
    }
  }, {
    key: "bottomRightPoint",
    get: function get() {
      return new Point({
        x: this.maxX,
        y: this.maxY
      });
    }
  }, {
    key: "centerPoint",
    get: function get() {
      return new Point({
        x: this.midX,
        y: this.midY
      });
    }
  }, {
    key: "cornerPoints",
    get: function get() {
      return [this.topLeftPoint, this.topRightPoint, this.bottomRightPoint, this.bottomLeftPoint];
    }
  }, {
    key: "topCenterPoint",
    get: function get() {
      return new Point({
        x: this.midX,
        y: this.minY
      });
    }
  }, {
    key: "rightCenterPoint",
    get: function get() {
      return new Point({
        x: this.maxX,
        y: this.midY
      });
    }
  }, {
    key: "bottomCenterPoint",
    get: function get() {
      return new Point({
        x: this.midX,
        y: this.maxY
      });
    }
  }, {
    key: "leftCenterPoint",
    get: function get() {
      return new Point({
        x: this.minX,
        y: this.midY
      });
    }
  }, {
    key: "centerPoints",
    get: function get() {
      return [this.topCenterPoint, this.rightCenterPoint, this.bottomCenterPoint, this.leftCenterPoint];
    }
  }, {
    key: "isEmpty",
    get: function get() {
      return this.size.isEmpty;
    }
  }, {
    key: "edges",
    get: function get() {
      return {
        top: [this.topLeftPoint, this.topRightPoint],
        right: [this.topRightPoint, this.bottomRightPoint],
        bottom: [this.bottomLeftPoint, this.bottomRightPoint],
        left: [this.topLeftPoint, this.bottomLeftPoint]
      };
    }
  }, {
    key: "getPoint",
    value: function getPoint(point) {
      var map = {
        "top-left": this.topLeftPoint,
        "top-right": this.topRightPoint,
        "top-center": this.topCenterPoint,
        "bottom-left": this.bottomLeftPoint,
        "bottom-center": this.bottomCenterPoint,
        "bottom-right": this.bottomRightPoint,
        "left-center": this.leftCenterPoint,
        "right-center": this.rightCenterPoint,
        center: this.centerPoint
      };
      return map[point];
    }
    /**
     * Updates the values for the rect
     */

  }], [{
    key: "zero",
    get:
    /* -----------------------------------------------------------------------------
     * Special Values
     * -----------------------------------------------------------------------------*/

    /**
     * The rectangle whose origin and size are both zero.
     */
    function get() {
      return new Rect({
        x: 0,
        y: 0,
        width: 0,
        height: 0
      });
    }
    /**
     * Creates a rectangle with origin (0,0) and size (0,0).
     */

  }]);

  return Rect;
}();

_defineProperty(Rect, "create", function (rect) {
  return new Rect(rect);
});

_defineProperty(Rect, "init", function () {
  return new Rect(Rect.zero);
});

_defineProperty(Rect, "isEqual", function (a, b) {
  if (!a || !b) return false;
  return a.origin.isEqual(b.origin) && a.size.isEqual(b.size);
});

_defineProperty(Rect, "is", function (value) {
  return _typeof(value) === "object" && Size.is(value) && Point.is(value);
});

_defineProperty(Rect, "cast", function (value) {
  return value instanceof Rect ? value : new Rect(value);
});

export { Rect as R, _defineProperty as _, _classCallCheck as a };