diff options
Diffstat (limited to 'misc/openlayers/tests/speed/vector-renderers.js')
-rw-r--r-- | misc/openlayers/tests/speed/vector-renderers.js | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/misc/openlayers/tests/speed/vector-renderers.js b/misc/openlayers/tests/speed/vector-renderers.js new file mode 100644 index 0000000..a11b361 --- /dev/null +++ b/misc/openlayers/tests/speed/vector-renderers.js @@ -0,0 +1,70 @@ +var map, vectorLayer, drawFeature, features + +map = new OpenLayers.Map('map', { + eventListeners: { + movestart: function() { + console.time("move"); + }, + moveend: function() { + console.timeEnd("move"); + } + } +}); + +// allow testing of specific renderers via "?renderer=Canvas", etc +var renderer = OpenLayers.Util.getParameters(window.location.href).renderer; +renderer = (renderer) ? [renderer] : OpenLayers.Layer.Vector.prototype.renderers; + +vectorLayer = new OpenLayers.Layer.Vector("Vector Layer", { + isBaseLayer: true, + renderers: renderer, + eventListeners: { + beforefeaturesadded: function() { + console.time("addFeatures"); + }, + featuresadded: function() { + console.timeEnd("addFeatures"); + } + } +}); + +map.addLayers([vectorLayer]); +map.addControl(new OpenLayers.Control.MousePosition()); +map.setCenter(new OpenLayers.LonLat(0, 0), 2); + +features = new Array(500); +var x, y, points +for (var i = 0; i < 500; i++) { + x = 90-Math.random()*180; + y = 45-Math.random()*90; + var pointList = []; + for(var p=0; p<19; ++p) { + var a = p * (2 * Math.PI) / 20; + var r = Math.random() * 3 + 1; + var newPoint = new OpenLayers.Geometry.Point(x + (r * Math.cos(a)), + y + (r * Math.sin(a))); + pointList.push(newPoint); + } + pointList.push(pointList[0]); + features[i] = new OpenLayers.Feature.Vector( + new OpenLayers.Geometry.LinearRing(pointList)); + +} +vectorLayer.addFeatures(features); + +var select = document.getElementById("renderers"); +var renderers = OpenLayers.Layer.Vector.prototype.renderers; +var option; +for (var i=0, len=renderers.length; i<len; i++) { + if (OpenLayers.Renderer[renderers[i]].prototype.supported()) { + option = document.createElement("option"); + option.textContent = renderers[i]; + option.value = renderers[i]; + option.selected = renderers[i] == vectorLayer.renderer.CLASS_NAME.split(".").pop(); + select.appendChild(option); + } +} +select.onchange = function() { + window.location.href = window.location.href.split("?")[0] + + "?renderer=" + select.options[select.selectedIndex].value; +} |