openlayers

<!doctype html> <html lang="en"> <head> <title>Code coverage report for ol/source/imagevectorsource.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/source/</a> imagevectorsource.js </h1> <div class='clearfix'> <div class='fl pad1y space-right2'> 30.12% Statements 25/83 </div> <div class='fl pad1y space-right2'> 0% Branches 0/24 </div> <div class='fl pad1y space-right2'> 0% Functions 0/13 </div> <div class='fl pad1y space-right2'> 30.12% Lines 25/83 </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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299</td><td class="line-coverage quiet">1×   1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1×                                         1×                                                                                                                           1×                       1×                                                                                           1×                                                           1×                       1×                   1×                         1×                             1×                 1×                             1×                                                                   1×            </td><td class="text"><pre class="prettyprint lang-js">goog.provide('ol.source.ImageVector');   goog.require('goog.asserts'); goog.require('goog.events'); goog.require('goog.events.EventType'); goog.require('goog.vec.Mat4'); goog.require('ol.dom'); goog.require('ol.extent'); goog.require('ol.render.canvas.ReplayGroup'); goog.require('ol.renderer.vector'); goog.require('ol.source.ImageCanvas'); goog.require('ol.source.Vector'); goog.require('ol.style.Style'); goog.require('ol.vec.Mat4');       /** * @classdesc * An image source whose images are canvas elements into which vector features * read from a vector source (`ol.source.Vector`) are drawn. An * `ol.source.ImageVector` object is to be used as the `source` of an image * layer (`ol.layer.Image`). Image layers are rotated, scaled, and translated, * as opposed to being re-rendered, during animations and interactions. So, like * any other image layer, an image layer configured with an * `ol.source.ImageVector` will exhibit this behaviour. This is in contrast to a * vector layer, where vector features are re-drawn during animations and * interactions. * * @constructor * @extends {ol.source.ImageCanvas} * @param {olx.source.ImageVectorOptions} options Options. * @api */ ol.source.ImageVector = function(options) {   /** * @private * @type {ol.source.Vector} */ this.source_ = options.source;   /** * @private * @type {!goog.vec.Mat4.Number} */ this.transform_ = goog.vec.Mat4.createNumber();   /** * @private * @type {CanvasRenderingContext2D} */ this.canvasContext_ = ol.dom.createCanvasContext2D();   /** * @private * @type {ol.Size} */ this.canvasSize_ = [0, 0];   /** * @private * @type {ol.render.canvas.ReplayGroup} */ this.replayGroup_ = null;   goog.base(this, { attributions: options.attributions, canvasFunction: goog.bind(this.canvasFunctionInternal_, this), logo: options.logo, projection: options.projection, ratio: options.ratio, resolutions: options.resolutions, state: this.source_.getState() });   /** * User provided style. * @type {ol.style.Style|Array.<ol.style.Style>|ol.style.StyleFunction} * @private */ this.style_ = null;   /** * Style function for use within the library. * @type {ol.style.StyleFunction|undefined} * @private */ this.styleFunction_ = undefined;   this.setStyle(options.style);   goog.events.listen(this.source_, goog.events.EventType.CHANGE, this.handleSourceChange_, undefined, this);   }; goog.inherits(ol.source.ImageVector, ol.source.ImageCanvas);     /** * @param {ol.Extent} extent Extent. * @param {number} resolution Resolution. * @param {number} pixelRatio Pixel ratio. * @param {ol.Size} size Size. * @param {ol.proj.Projection} projection Projection; * @return {HTMLCanvasElement} Canvas element. * @private */ ol.source.ImageVector.prototype.canvasFunctionInternal_ = function(extent, resolution, pixelRatio, size, projection) {   var replayGroup = new ol.render.canvas.ReplayGroup( ol.renderer.vector.getTolerance(resolution, pixelRatio), extent, resolution);   this.source_.loadFeatures(extent, resolution, projection);   var loading = false; this.source_.forEachFeatureInExtent(extent, /** * @param {ol.Feature} feature Feature. */ function(feature) { loading = loading || this.renderFeature_(feature, resolution, pixelRatio, replayGroup); }, this); replayGroup.finish();   if (loading) { return null; }   if (this.canvasSize_[0] != size[0] || this.canvasSize_[1] != size[1]) { this.canvasContext_.canvas.width = size[0]; this.canvasContext_.canvas.height = size[1]; this.canvasSize_[0] = size[0]; this.canvasSize_[1] = size[1]; } else { this.canvasContext_.clearRect(0, 0, size[0], size[1]); }   var transform = this.getTransform_(ol.extent.getCenter(extent), resolution, pixelRatio, size); replayGroup.replay(this.canvasContext_, pixelRatio, transform, 0, {});   this.replayGroup_ = replayGroup;   return this.canvasContext_.canvas; };     /** * @inheritDoc */ ol.source.ImageVector.prototype.forEachFeatureAtCoordinate = function( coordinate, resolution, rotation, skippedFeatureUids, callback) { if (!this.replayGroup_) { return undefined; } else { /** @type {Object.<string, boolean>} */ var features = {}; return this.replayGroup_.forEachFeatureAtCoordinate( coordinate, resolution, 0, skippedFeatureUids, /** * @param {ol.Feature|ol.render.Feature} feature Feature. * @return {?} Callback result. */ function(feature) { goog.asserts.assert(feature !== undefined, 'passed a feature'); var key = goog.getUid(feature).toString(); if (!(key in features)) { features[key] = true; return callback(feature); } }); } };     /** * Get a reference to the wrapped source. * @return {ol.source.Vector} Source. * @api */ ol.source.ImageVector.prototype.getSource = function() { return this.source_; };     /** * Get the style for features. This returns whatever was passed to the `style` * option at construction or to the `setStyle` method. * @return {ol.style.Style|Array.<ol.style.Style>|ol.style.StyleFunction} * Layer style. * @api stable */ ol.source.ImageVector.prototype.getStyle = function() { return this.style_; };     /** * Get the style function. * @return {ol.style.StyleFunction|undefined} Layer style function. * @api stable */ ol.source.ImageVector.prototype.getStyleFunction = function() { return this.styleFunction_; };     /** * @param {ol.Coordinate} center Center. * @param {number} resolution Resolution. * @param {number} pixelRatio Pixel ratio. * @param {ol.Size} size Size. * @return {!goog.vec.Mat4.Number} Transform. * @private */ ol.source.ImageVector.prototype.getTransform_ = function(center, resolution, pixelRatio, size) { return ol.vec.Mat4.makeTransform2D(this.transform_, size[0] / 2, size[1] / 2, pixelRatio / resolution, -pixelRatio / resolution, 0, -center[0], -center[1]); };     /** * Handle changes in image style state. * @param {goog.events.Event} event Image style change event. * @private */ ol.source.ImageVector.prototype.handleImageChange_ = function(event) { this.changed(); };     /** * @private */ ol.source.ImageVector.prototype.handleSourceChange_ = function() { // setState will trigger a CHANGE event, so we always rely // change events by calling setState. this.setState(this.source_.getState()); };     /** * @param {ol.Feature} feature Feature. * @param {number} resolution Resolution. * @param {number} pixelRatio Pixel ratio. * @param {ol.render.canvas.ReplayGroup} replayGroup Replay group. * @return {boolean} `true` if an image is loading. * @private */ ol.source.ImageVector.prototype.renderFeature_ = function(feature, resolution, pixelRatio, replayGroup) { var styles; var styleFunction = feature.getStyleFunction(); if (styleFunction) { styles = styleFunction.call(feature, resolution); } else if (this.styleFunction_) { styles = this.styleFunction_(feature, resolution); } if (!styles) { return false; } var i, ii, loading = false; for (i = 0, ii = styles.length; i < ii; ++i) { loading = ol.renderer.vector.renderFeature( replayGroup, feature, styles[i], ol.renderer.vector.getSquaredTolerance(resolution, pixelRatio), this.handleImageChange_, this) || loading; } return loading; };     /** * Set the style for features. This can be a single style object, an array * of styles, or a function that takes a feature and resolution and returns * an array of styles. If it is `undefined` the default style is used. If * it is `null` the layer has no style (a `null` style), so only features * that have their own styles will be rendered in the layer. See * {@link ol.style} for information on the default style. * @param {ol.style.Style|Array.<ol.style.Style>|ol.style.StyleFunction|undefined} * style Layer style. * @api stable */ ol.source.ImageVector.prototype.setStyle = function(style) { this.style_ = style !== undefined ? style : ol.style.defaultStyleFunction; this.styleFunction_ = !style ? undefined : ol.style.createStyleFunction(this.style_); this.changed(); };  </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>