openlayers

<!doctype html> <html lang="en"> <head> <title>Code coverage report for ol/renderer/canvas/canvasvectorlayerrenderer.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/renderer/canvas/</a> canvasvectorlayerrenderer.js </h1> <div class='clearfix'> <div class='fl pad1y space-right2'> 80.77% Statements 126/156 </div> <div class='fl pad1y space-right2'> 75% Branches 42/56 </div> <div class='fl pad1y space-right2'> 88.89% Functions 8/9 </div> <div class='fl pad1y space-right2'> 80.77% Lines 126/156 </div> </div> </div> <div class='status-line high'></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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342</td><td class="line-coverage quiet">1×   1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1×                 1×   70×           70×           70×           70×           70×           70×           70×           70×     1×           1×     65× 65× 65×   65× 65× 65× 65× 65× 65×   65×   65×   65× 65× 26× 26× 26×           26×         26× 26×   26×   26×                                                       26×       26×     65×               1×   15×     15× 15× 15× 15×   15× 15×             22× 22× 22× 21× 21×                       1×                 1×     69× 69×   69×   69×   69×   69× 69× 69× 69×   69×         69× 69× 69× 69× 69× 69× 69× 69×   69× 69×     69×   69×   69×             4× 4× 4× 4×     69×                 69× 69×   69×   69×       69× 69×           63× 63× 63× 1×   62× 62× 62×     63× 63×   63×     69×   69× 69×         63×   69× 69×       69×   69× 69× 69× 69× 69×   69×                       1×   63×     63× 63× 63×         63×    </td><td class="text"><pre class="prettyprint lang-js">goog.provide('ol.renderer.canvas.VectorLayer');   goog.require('goog.array'); goog.require('goog.asserts'); goog.require('goog.events'); goog.require('ol.ViewHint'); goog.require('ol.dom'); goog.require('ol.extent'); goog.require('ol.layer.Vector'); goog.require('ol.render.EventType'); goog.require('ol.render.canvas.ReplayGroup'); goog.require('ol.renderer.canvas.Layer'); goog.require('ol.renderer.vector'); goog.require('ol.source.Vector');       /** * @constructor * @extends {ol.renderer.canvas.Layer} * @param {ol.layer.Vector} vectorLayer Vector layer. */ ol.renderer.canvas.VectorLayer = function(vectorLayer) {   goog.base(this, vectorLayer);   /** * @private * @type {boolean} */ this.dirty_ = false;   /** * @private * @type {number} */ this.renderedRevision_ = -1;   /** * @private * @type {number} */ this.renderedResolution_ = NaN;   /** * @private * @type {ol.Extent} */ this.renderedExtent_ = ol.extent.createEmpty();   /** * @private * @type {function(ol.Feature, ol.Feature): number|null} */ this.renderedRenderOrder_ = null;   /** * @private * @type {ol.render.canvas.ReplayGroup} */ this.replayGroup_ = null;   /** * @private * @type {CanvasRenderingContext2D} */ this.context_ = ol.dom.createCanvasContext2D();   }; goog.inherits(ol.renderer.canvas.VectorLayer, ol.renderer.canvas.Layer);     /** * @inheritDoc */ ol.renderer.canvas.VectorLayer.prototype.composeFrame = function(frameState, layerState, context) {   var extent = frameState.extent; var pixelRatio = frameState.pixelRatio; var skippedFeatureUids = layerState.managed ? frameState.skippedFeatureUids : {}; var viewState = frameState.viewState; var projection = viewState.projection; var rotation = viewState.rotation; var projectionExtent = projection.getExtent(); var vectorSource = this.getLayer().getSource(); goog.asserts.assertInstanceof(vectorSource, ol.source.Vector);   var transform = this.getTransform(frameState, 0);   this.dispatchPreComposeEvent(context, frameState, transform);   var replayGroup = this.replayGroup_; if (replayGroup && !replayGroup.isEmpty()) { var layer = this.getLayer(); var replayContext; Iif (layer.hasListener(ol.render.EventType.RENDER)) { // resize and clear this.context_.canvas.width = context.canvas.width; this.context_.canvas.height = context.canvas.height; replayContext = this.context_; } else { replayContext = context; } // for performance reasons, context.save / context.restore is not used // to save and restore the transformation matrix and the opacity. // see http://jsperf.com/context-save-restore-versus-variable var alpha = replayContext.globalAlpha; replayContext.globalAlpha = layerState.opacity;   replayGroup.replay(replayContext, pixelRatio, transform, rotation, skippedFeatureUids); Iif (vectorSource.getWrapX() && projection.canWrapX() && !ol.extent.containsExtent(projectionExtent, extent)) { var startX = extent[0]; var worldWidth = ol.extent.getWidth(projectionExtent); var world = 0; var offsetX; while (startX < projectionExtent[0]) { --world; offsetX = worldWidth * world; transform = this.getTransform(frameState, offsetX); replayGroup.replay(replayContext, pixelRatio, transform, rotation, skippedFeatureUids); startX += worldWidth; } world = 0; startX = extent[2]; while (startX > projectionExtent[2]) { ++world; offsetX = worldWidth * world; transform = this.getTransform(frameState, offsetX); replayGroup.replay(replayContext, pixelRatio, transform, rotation, skippedFeatureUids); startX -= worldWidth; } // restore original transform for render and compose events transform = this.getTransform(frameState, 0); }   Iif (replayContext != context) { this.dispatchRenderEvent(replayContext, frameState, transform); context.drawImage(replayContext.canvas, 0, 0); } replayContext.globalAlpha = alpha; }   this.dispatchPostComposeEvent(context, frameState, transform);   };     /** * @inheritDoc */ ol.renderer.canvas.VectorLayer.prototype.forEachFeatureAtCoordinate = function(coordinate, frameState, callback, thisArg) { Iif (!this.replayGroup_) { return undefined; } else { var resolution = frameState.viewState.resolution; var rotation = frameState.viewState.rotation; var layer = this.getLayer(); var layerState = frameState.layerStates[goog.getUid(layer)]; /** @type {Object.<string, boolean>} */ var features = {}; return this.replayGroup_.forEachFeatureAtCoordinate(coordinate, resolution, rotation, layerState.managed ? frameState.skippedFeatureUids : {}, /** * @param {ol.Feature|ol.render.Feature} feature Feature. * @return {?} Callback result. */ function(feature) { goog.asserts.assert(feature !== undefined, 'received a feature'); var key = goog.getUid(feature).toString(); if (!(key in features)) { features[key] = true; return callback.call(thisArg, feature, layer); } }); } };     /** * Handle changes in image style state. * @param {goog.events.Event} event Image style change event. * @private */ ol.renderer.canvas.VectorLayer.prototype.handleStyleImageChange_ = function(event) { this.renderIfReadyAndVisible(); };     /** * @inheritDoc */ ol.renderer.canvas.VectorLayer.prototype.prepareFrame = function(frameState, layerState) {   var vectorLayer = /** @type {ol.layer.Vector} */ (this.getLayer()); goog.asserts.assertInstanceof(vectorLayer, ol.layer.Vector, 'layer is an instance of ol.layer.Vector'); var vectorSource = vectorLayer.getSource();   this.updateAttributions( frameState.attributions, vectorSource.getAttributions()); this.updateLogos(frameState, vectorSource);   var animating = frameState.viewHints[ol.ViewHint.ANIMATING]; var interacting = frameState.viewHints[ol.ViewHint.INTERACTING]; var updateWhileAnimating = vectorLayer.getUpdateWhileAnimating(); var updateWhileInteracting = vectorLayer.getUpdateWhileInteracting();   Iif (!this.dirty_ && (!updateWhileAnimating && animating) || (!updateWhileInteracting && interacting)) { return true; }   var frameStateExtent = frameState.extent; var viewState = frameState.viewState; var projection = viewState.projection; var resolution = viewState.resolution; var pixelRatio = frameState.pixelRatio; var vectorLayerRevision = vectorLayer.getRevision(); var vectorLayerRenderBuffer = vectorLayer.getRenderBuffer(); var vectorLayerRenderOrder = vectorLayer.getRenderOrder();   Eif (vectorLayerRenderOrder === undefined) { vectorLayerRenderOrder = ol.renderer.vector.defaultOrder; }   var extent = ol.extent.buffer(frameStateExtent, vectorLayerRenderBuffer * resolution); var projectionExtent = viewState.projection.getExtent();   if (vectorSource.getWrapX() && viewState.projection.canWrapX() && !ol.extent.containsExtent(projectionExtent, frameState.extent)) { // For the replay group, we need an extent that intersects the real world // (-180° to +180°). To support geometries in a coordinate range from -540° // to +540°, we add at least 1 world width on each side of the projection // extent. If the viewport is wider than the world, we need to add half of // the viewport width to make sure we cover the whole viewport. var worldWidth = ol.extent.getWidth(projectionExtent); var buffer = Math.max(ol.extent.getWidth(extent) / 2, worldWidth); extent[0] = projectionExtent[0] - buffer; extent[2] = projectionExtent[2] + buffer; }   Iif (!this.dirty_ && this.renderedResolution_ == resolution && this.renderedRevision_ == vectorLayerRevision && this.renderedRenderOrder_ == vectorLayerRenderOrder && ol.extent.containsExtent(this.renderedExtent_, extent)) { return true; }   // FIXME dispose of old replayGroup in post render goog.dispose(this.replayGroup_); this.replayGroup_ = null;   this.dirty_ = false;   var replayGroup = new ol.render.canvas.ReplayGroup( ol.renderer.vector.getTolerance(resolution, pixelRatio), extent, resolution, vectorLayer.getRenderBuffer()); vectorSource.loadFeatures(extent, resolution, projection); var renderFeature = /** * @param {ol.Feature} feature Feature. * @this {ol.renderer.canvas.VectorLayer} */ function(feature) { var styles; var styleFunction = feature.getStyleFunction(); if (styleFunction) { styles = styleFunction.call(feature, resolution); } else { styleFunction = vectorLayer.getStyleFunction(); Eif (styleFunction) { styles = styleFunction(feature, resolution); } } Eif (styles) { var dirty = this.renderFeature( feature, resolution, pixelRatio, styles, replayGroup); this.dirty_ = this.dirty_ || dirty; } }; Eif (vectorLayerRenderOrder) { /** @type {Array.<ol.Feature>} */ var features = []; vectorSource.forEachFeatureInExtent(extent, /** * @param {ol.Feature} feature Feature. */ function(feature) { features.push(feature); }, this); goog.array.sort(features, vectorLayerRenderOrder); features.forEach(renderFeature, this); } else { vectorSource.forEachFeatureInExtent(extent, renderFeature, this); } replayGroup.finish();   this.renderedResolution_ = resolution; this.renderedRevision_ = vectorLayerRevision; this.renderedRenderOrder_ = vectorLayerRenderOrder; this.renderedExtent_ = extent; this.replayGroup_ = replayGroup;   return true; };     /** * @param {ol.Feature} feature Feature. * @param {number} resolution Resolution. * @param {number} pixelRatio Pixel ratio. * @param {Array.<ol.style.Style>} styles Array of styles * @param {ol.render.canvas.ReplayGroup} replayGroup Replay group. * @return {boolean} `true` if an image is loading. */ ol.renderer.canvas.VectorLayer.prototype.renderFeature = function(feature, resolution, pixelRatio, styles, replayGroup) { Iif (!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.handleStyleImageChange_, this) || loading; } return loading; };  </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>