mixio 1.10.0

blockly/core/utils/rect.js

@@ -0,0 +1,66 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @fileoverview Utility methods for rectangle manipulation.
+ * These methods are not specific to Blockly, and could be factored out into
+ * a JavaScript framework such as Closure.
+ * @author fraser@google.com (Neil Fraser)
+ */
+'use strict';
+
+/**
+ * @name Blockly.utils.Rect
+ * @namespace
+ */
+goog.provide('Blockly.utils.Rect');
+
+
+/**
+ * Class for representing rectangular regions.
+ * @param {number} top Top.
+ * @param {number} bottom Bottom.
+ * @param {number} left Left.
+ * @param {number} right Right.
+ * @struct
+ * @constructor
+ */
+Blockly.utils.Rect = function(top, bottom, left, right) {
+  /** @type {number} */
+  this.top = top;
+
+  /** @type {number} */
+  this.bottom = bottom;
+
+  /** @type {number} */
+  this.left = left;
+
+  /** @type {number} */
+  this.right = right;
+};
+
+/**
+ * Tests whether this rectangle contains a x/y coordinate.
+ *
+ * @param {number} x The x coordinate to test for containment.
+ * @param {number} y The y coordinate to test for containment.
+ * @return {boolean} Whether this rectangle contains given coordinate.
+ */
+Blockly.utils.Rect.prototype.contains = function(x, y) {
+  return x >= this.left && x <= this.right && y >= this.top && y <= this.bottom;
+};
+
+/**
+ * Tests whether this rectangle intersects the provided rectangle.
+ * Assumes that the coordinate system increases going down and left.
+ * @param {!Blockly.utils.Rect} other The other rectangle to check for
+ *    intersection with.
+ * @return {boolean} Whether this rectangle intersects the provided rectangle.
+ */
+Blockly.utils.Rect.prototype.intersects = function(other) {
+  return !(this.left > other.right || this.right < other.left ||
+      this.top > other.bottom || this.bottom < other.top);
+};