openlayers

<!doctype html> <html lang="en"> <head> <title>Code coverage report for ol/interaction/pinchzoominteraction.js</title> <meta charset="utf-8" /> <link rel="stylesheet" href="../../prettify.css" /> <link rel="stylesheet" href="../../base.css" /> <meta name="viewport" content="width=device-width, initial-scale=1"> <style type='text/css'> .coverage-summary .sorter { background-image: url(../../sort-arrow-sprite.png); } </style> </head> <body> <div class='wrapper'> <div class='pad1'> <h1> <a href="../../index.html">all files</a> / <a href="index.html">ol/interaction/</a> pinchzoominteraction.js </h1> <div class='clearfix'> <div class='fl pad1y space-right2'> 37.1% Statements 23/62 </div> <div class='fl pad1y space-right2'> 21.43% Branches 3/14 </div> <div class='fl pad1y space-right2'> 50% Functions 2/4 </div> <div class='fl pad1y space-right2'> 37.1% Lines 23/62 </div> </div> </div> <div class='status-line low'></div> <pre><table class="coverage"> <tr><td class="line-count quiet">1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160</td><td class="line-coverage quiet">1×   1× 1× 1× 1× 1× 1× 1× 1×                           1×   114×           114×           114×           114×           114×           114×     1×               1×                                                                                             1×                                                 1× 60×                     60×               1×  </td><td class="text"><pre class="prettyprint lang-js">goog.provide('ol.interaction.PinchZoom');   goog.require('goog.asserts'); goog.require('goog.functions'); goog.require('goog.style'); goog.require('ol'); goog.require('ol.Coordinate'); goog.require('ol.ViewHint'); goog.require('ol.interaction.Interaction'); goog.require('ol.interaction.Pointer');       /** * @classdesc * Allows the user to zoom the map by pinching with two fingers * on a touch screen. * * @constructor * @extends {ol.interaction.Pointer} * @param {olx.interaction.PinchZoomOptions=} opt_options Options. * @api stable */ ol.interaction.PinchZoom = function(opt_options) {   goog.base(this, { handleDownEvent: ol.interaction.PinchZoom.handleDownEvent_, handleDragEvent: ol.interaction.PinchZoom.handleDragEvent_, handleUpEvent: ol.interaction.PinchZoom.handleUpEvent_ });   var options = opt_options ? opt_options : {};   /** * @private * @type {ol.Coordinate} */ this.anchor_ = null;   /** * @private * @type {number} */ this.duration_ = options.duration !== undefined ? options.duration : 400;   /** * @private * @type {number|undefined} */ this.lastDistance_ = undefined;   /** * @private * @type {number} */ this.lastScaleDelta_ = 1;   }; goog.inherits(ol.interaction.PinchZoom, ol.interaction.Pointer);     /** * @param {ol.MapBrowserPointerEvent} mapBrowserEvent Event. * @this {ol.interaction.PinchZoom} * @private */ ol.interaction.PinchZoom.handleDragEvent_ = function(mapBrowserEvent) { goog.asserts.assert(this.targetPointers.length >= 2, 'length of this.targetPointers should be 2 or more'); var scaleDelta = 1.0;   var touch0 = this.targetPointers[0]; var touch1 = this.targetPointers[1]; var dx = touch0.clientX - touch1.clientX; var dy = touch0.clientY - touch1.clientY;   // distance between touches var distance = Math.sqrt(dx * dx + dy * dy);   if (this.lastDistance_ !== undefined) { scaleDelta = this.lastDistance_ / distance; } this.lastDistance_ = distance; if (scaleDelta != 1.0) { this.lastScaleDelta_ = scaleDelta; }   var map = mapBrowserEvent.map; var view = map.getView(); var resolution = view.getResolution();   // scale anchor point. var viewportPosition = goog.style.getClientPosition(map.getViewport()); var centroid = ol.interaction.Pointer.centroid(this.targetPointers); centroid[0] -= viewportPosition.x; centroid[1] -= viewportPosition.y; this.anchor_ = map.getCoordinateFromPixel(centroid);   // scale, bypass the resolution constraint map.render(); ol.interaction.Interaction.zoomWithoutConstraints( map, view, resolution * scaleDelta, this.anchor_);   };     /** * @param {ol.MapBrowserPointerEvent} mapBrowserEvent Event. * @return {boolean} Stop drag sequence? * @this {ol.interaction.PinchZoom} * @private */ ol.interaction.PinchZoom.handleUpEvent_ = function(mapBrowserEvent) { if (this.targetPointers.length < 2) { var map = mapBrowserEvent.map; var view = map.getView(); view.setHint(ol.ViewHint.INTERACTING, -1); var resolution = view.getResolution(); // Zoom to final resolution, with an animation, and provide a // direction not to zoom out/in if user was pinching in/out. // Direction is > 0 if pinching out, and < 0 if pinching in. var direction = this.lastScaleDelta_ - 1; ol.interaction.Interaction.zoom(map, view, resolution, this.anchor_, this.duration_, direction); return false; } else { return true; } };     /** * @param {ol.MapBrowserPointerEvent} mapBrowserEvent Event. * @return {boolean} Start drag sequence? * @this {ol.interaction.PinchZoom} * @private */ ol.interaction.PinchZoom.handleDownEvent_ = function(mapBrowserEvent) { Iif (this.targetPointers.length >= 2) { var map = mapBrowserEvent.map; this.anchor_ = null; this.lastDistance_ = undefined; this.lastScaleDelta_ = 1; if (!this.handlingDownUpSequence) { map.getView().setHint(ol.ViewHint.INTERACTING, 1); } map.render(); return true; } else { return false; } };     /** * @inheritDoc */ ol.interaction.PinchZoom.prototype.shouldStopEvent = goog.functions.FALSE;  </pre></td></tr> </table></pre> <div class='push'></div> </div> <div class='footer quiet pad2 space-top1 center small'> Code coverage generated by <a href="http://istanbul-js.org/" target="_blank">istanbul</a> at Fri Nov 06 2015 19:36:11 GMT+0100 (CET) </div> </div> <script src="../../prettify.js"></script> <script> window.onload = function () { if (typeof prettyPrint === 'function') { prettyPrint(); } }; </script> <script src="../../sorter.js"></script> </body> </html>