494 lines
20 KiB
HTML
494 lines
20 KiB
HTML
<html>
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<head>
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<script src="../OLLoader.js"></script>
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<script type="text/javascript">
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// turn off animation frame handling, so we can check img urls in tests
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delete OpenLayers.Layer.Grid.prototype.queueTileDraw;
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var isMozilla = (navigator.userAgent.indexOf("compatible") == -1);
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var tile;
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var map, layer;
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function setUp() {
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map = new OpenLayers.Map("map");
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layer = new OpenLayers.Layer(null, {
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isBaseLayer: true
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});
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map.addLayer(layer)
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map.setCenter(new OpenLayers.LonLat(0, 0));
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}
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function tearDown() {
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map.destroy();
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map = null;
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layer = null;
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}
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function test_Tile_Image_constructor (t) {
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t.plan( 6 );
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setUp();
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var position = new OpenLayers.Pixel(20,30);
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var bounds = new OpenLayers.Bounds(1,2,3,4);
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var url = "http://www.openlayers.org/dev/tests/tileimage";
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var size = new OpenLayers.Size(5,6);
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tile = new OpenLayers.Tile.Image(layer, position, bounds, url, size);
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t.ok( tile instanceof OpenLayers.Tile.Image, "new OpenLayers.Tile returns Tile object" );
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t.ok( tile.layer == layer, "tile.layer is set correctly");
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t.ok( tile.position.equals(position), "tile.position is set correctly");
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t.ok( tile.bounds.equals(bounds), "tile.bounds is set correctly");
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t.eq( tile.url, url, "tile.url is set correctly");
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t.ok( tile.size.equals(size), "tile.size is set correctly");
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tearDown();
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}
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function test_destroy_observers(t) {
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t.plan(2);
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var map = new OpenLayers.Map('map');
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var layer = new OpenLayers.Layer.WMS( "OpenLayers WMS",
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"../../img/blank.gif", {layers: 'basic'});
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map.addLayer(layer);
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var position = new OpenLayers.Pixel(20,30);
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var bounds = new OpenLayers.Bounds(1,2,3,4);
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var size = new OpenLayers.Size(5,6);
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// with alpha hack
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var withAlpha = new OpenLayers.Tile.Image(layer, position, bounds, null, size);
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withAlpha.layerAlphaHack = true;
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withAlpha.draw();
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var cacheID = withAlpha.imgDiv._eventCacheID;
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withAlpha.destroy();
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t.eq(OpenLayers.Event.observers[cacheID], undefined,
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"With alpha hack: imgDiv observers are cleared in destroy");
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// without alpha hack
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var withoutAlpha = new OpenLayers.Tile.Image(layer, position, bounds, null, size);
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withoutAlpha.layerAlphaHack = false;
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withoutAlpha.draw();
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var cacheID = withoutAlpha.imgDiv._eventCacheID;
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withoutAlpha.destroy();
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t.eq(OpenLayers.Event.observers[cacheID], undefined,
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"Without alpha hack: imgDiv observers are cleared in destroy");
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map.destroy();
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}
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function test_Tile_Image_async (t) {
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t.plan( 3 );
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var map = new OpenLayers.Map('map');
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var layer = new OpenLayers.Layer.WMS(
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"Name",
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"../../img/blank.gif",
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{layers: 'basic'}, {async: true, getURLasync: function(bounds, callback, scope) {
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callback.call(scope, this.getURL(bounds));
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}}
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);
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map.addLayer(layer);
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var position = new OpenLayers.Pixel(20,30);
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var bounds = new OpenLayers.Bounds(1,2,3,4);
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tile = layer.addTile(bounds, position);
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tile.renderTile();
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t.delay_call(0.1, function() {
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var expected = new Image();
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expected.src = layer.getURL(bounds);
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t.eq(tile.imgDiv.src, expected.src, "image src correct for async request");
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t.eq(tile.asyncRequestId, 1, "asyncRequestId correct after renderTile");
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tile.renderTile();
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});
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t.delay_call(0.2, function() {
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t.eq(tile.asyncRequestId, 2, "asyncRequestId correct after subsequent renderTile");
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tile.destroy();
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layer.destroy();
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map.destroy();
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});
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}
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function test_Tile_Image_draw (t) {
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t.plan(7);
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var map = new OpenLayers.Map('map');
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var size = new OpenLayers.Size(5,6);
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layer = new OpenLayers.Layer.WMS("Name",
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"../../img/blank.gif",
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null,
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{tileSize: size});
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map.addLayer(layer);
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var position = new OpenLayers.Pixel(20,30);
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var bounds = new OpenLayers.Bounds(1,2,3,4);
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var url = "http://www.openlayers.org/dev/tests/tileimage";
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tile = new OpenLayers.Tile.Image(layer, position, bounds, url, size);
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tile.events.register("loadstart", this, function() {
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t.ok(true, "loadstart triggered");
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});
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tile.events.register("reload", this, function() {
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t.ok(true, "reload triggered");
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});
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//this should trigger a "loadstart" event
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tile.draw();
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if (!isMozilla)
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t.ok( true, "skipping element test outside of Mozilla");
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else
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t.ok( tile.imgDiv instanceof HTMLElement, "tile.draw creates an image");
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var tParams = {
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SERVICE: "WMS", VERSION: "1.1.1",
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REQUEST: "GetMap", STYLES: "",
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FORMAT: "image/jpeg",
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SRS: "EPSG:4326", BBOX: [1,2,3,4],
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WIDTH: String(size.w), HEIGHT: String(size.h)
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};
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var expected = new Image();
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expected.src = "../../img/blank.gif?" + OpenLayers.Util.getParameterString(tParams)
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t.delay_call(0.1, function() {
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t.eq( tile.imgDiv.src, expected.src, "tile.draw creates an image");
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});
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t.eq( tile.imgDiv.style.width, "5%", "Image width is correct" );
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t.eq( tile.imgDiv.style.height, "6%", "Image height is correct" );
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t.ok( tile.imgDiv.parentNode === layer.div, "Image is directly appended to the layer div" );
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// this should trigger a "reload" event (since the image never actually
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// loads in tests)
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tile.draw();
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}
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function test_Tile_Image_OutsideMaxExtent(t) {
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t.plan( 11 );
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var position = new OpenLayers.Pixel(20,30);
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var bounds = new OpenLayers.Bounds(1,2,3,4);
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var url = "http://www.openlayers.org/dev/tests/tileimage";
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var size = new OpenLayers.Size(5,6);
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var map = new OpenLayers.Map('map');
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var layer = new OpenLayers.Layer.WMS( "OpenLayers WMS",
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"../../img/blank.gif", {layers: 'basic'}, {encodeBBOX: true});
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map.addLayer(layer);
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tile = new OpenLayers.Tile.Image(layer, position, new OpenLayers.Bounds(-185,-90,-180,90), url, size);
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tile.draw()
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t.eq(tile.imgDiv, null, "Images against side of maxextent don't load");
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tile = new OpenLayers.Tile.Image(layer, position, new OpenLayers.Bounds(-181,-91,180,90), url, size);
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tile.draw()
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var tParams = {
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LAYERS: "basic", SERVICE: "WMS", VERSION: "1.1.1",
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REQUEST: "GetMap", STYLES: "",
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FORMAT: "image/jpeg",
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SRS: "EPSG:4326", BBOX: "-181,-91,180,90",
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WIDTH: "256", HEIGHT: "256"
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};
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t.eq(tile.url,
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"../../img/blank.gif?" + OpenLayers.Util.getParameterString(tParams),
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"Images over edges of maxextent do load");
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tile = new OpenLayers.Tile.Image(layer, position, new OpenLayers.Bounds(-181,-90,180,90), url, size);
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tile.draw()
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tParams = OpenLayers.Util.extend(tParams, {BBOX: "-181,-90,180,90"});
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t.eq(tile.url,
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"../../img/blank.gif?" + OpenLayers.Util.getParameterString(tParams),
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"Images over edges of maxextent do load");
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tile = new OpenLayers.Tile.Image(layer, position, new OpenLayers.Bounds(-180,-90,180,90), url, size);
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tile.draw()
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tParams = OpenLayers.Util.extend(tParams, {BBOX: "-180,-90,180,90"});
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t.eq(tile.url,
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"../../img/blank.gif?" + OpenLayers.Util.getParameterString(tParams),
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"Image covering all of extent loads");
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tile = new OpenLayers.Tile.Image(layer, position, new OpenLayers.Bounds(-80,-45,80,45), url, size);
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tile.draw()
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tParams = OpenLayers.Util.extend(tParams, {BBOX: "-80,-45,80,45"});
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t.eq(tile.url,
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"../../img/blank.gif?" + OpenLayers.Util.getParameterString(tParams),
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"Image covering small part of extent loads");
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tile = new OpenLayers.Tile.Image(layer, position, new OpenLayers.Bounds(-185,-95,185,95), url, size);
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tile.draw()
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tParams = OpenLayers.Util.extend(tParams, {BBOX: "-185,-95,185,95"});
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t.eq(tile.url,
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"../../img/blank.gif?" + OpenLayers.Util.getParameterString(tParams),
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"Image covering more than all of extent loads");
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layer.displayOutsideMaxExtent=1;
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tile = new OpenLayers.Tile.Image(layer, position, new OpenLayers.Bounds(-185,-90,-180,90), url, size);
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tile.draw()
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tParams = OpenLayers.Util.extend(tParams, {BBOX: "-185,-90,-180,90"});
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t.eq(tile.url,
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"../../img/blank.gif?" + OpenLayers.Util.getParameterString(tParams),
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"Images against side of maxextent do load with displayOutsideMaxExtent");
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tile = new OpenLayers.Tile.Image(layer, position, new OpenLayers.Bounds(-181,-90,180,90), url, size);
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tile.draw()
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tParams = OpenLayers.Util.extend(tParams, {BBOX: "-181,-90,180,90"});
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t.eq(tile.url,
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"../../img/blank.gif?" + OpenLayers.Util.getParameterString(tParams),
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"Images over edges of maxextent do load with displayOutsideMaxExtent set");
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tile = new OpenLayers.Tile.Image(layer, position, new OpenLayers.Bounds(-180,-90,180,90), url, size);
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tile.draw()
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tParams = OpenLayers.Util.extend(tParams, {BBOX: "-180,-90,180,90"});
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t.eq(tile.url,
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"../../img/blank.gif?" + OpenLayers.Util.getParameterString(tParams),
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"Image covering all of extent loads with display outside max extent");
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tile = new OpenLayers.Tile.Image(layer, position, new OpenLayers.Bounds(-80,-45,80,45), url, size);
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tile.draw()
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tParams = OpenLayers.Util.extend(tParams, {BBOX: "-80,-45,80,45"});
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t.eq(tile.url,
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"../../img/blank.gif?" + OpenLayers.Util.getParameterString(tParams),
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"Image covering small part of extent loads with display outside max extent");
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tile = new OpenLayers.Tile.Image(layer, position, new OpenLayers.Bounds(-185,-95,185,95), url, size);
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tile.draw()
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tParams = OpenLayers.Util.extend(tParams, {BBOX: "-185,-95,185,95"});
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t.eq(tile.url,
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"../../img/blank.gif?" + OpenLayers.Util.getParameterString(tParams),
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"Image covering more than all of extent loads");
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}
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function test_Tile_Image_Display_After_Move(t) {
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t.plan(2);
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var position = new OpenLayers.Pixel(20,30);
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var bounds = new OpenLayers.Bounds(1,2,3,4);
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var url = "http://www.openlayers.org/dev/tests/tileimage";
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var size = new OpenLayers.Size(5,6);
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var map = new OpenLayers.Map('map');
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var layer = new OpenLayers.Layer.WMS( "OpenLayers WMS",
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"../../img/blank.gif", {layers: 'basic'});
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map.addLayer(layer);
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map.zoomToMaxExtent();
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tile = new OpenLayers.Tile.Image(layer, position, new OpenLayers.Bounds(-90,-85,-90,85), url, size);
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tile.draw();
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tile.moveTo(new OpenLayers.Bounds(-185,-90,-180,-80), new OpenLayers.Pixel(-180,-85), true);
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t.delay_call( 1, function() { t.ok(!tile.imgDiv, "Reference to tile image removed.") } );
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var layer = new OpenLayers.Layer.WMS( "OpenLayers WMS",
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"../../img/blank.gif", {layers: 'basic'}, {'alpha':true});
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map.addLayer(layer);
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tile = new OpenLayers.Tile.Image(layer, position, new OpenLayers.Bounds(-90,-85,-90,85), url, size);
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tile.draw();
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tile.moveTo(new OpenLayers.Bounds(-185,-90,-180,-80), new OpenLayers.Pixel(-180,-85), true)
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t.delay_call( 1, function() { t.ok(!tile.imgDiv, "Reference to alpha tile image removed.") } );
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}
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function test_Tile_Image_gutters(t) {
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t.plan(5);
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var gutter = 0;
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var name = 'Test Layer';
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var url = "http://octo.metacarta.com/cgi-bin/mapserv";
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var params = { map: '/mapdata/vmap_wms.map',
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layers: 'basic',
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format: 'image/png'};
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var map = new OpenLayers.Map('map');
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var layer = new OpenLayers.Layer.WMS(name, url, params, {gutter: gutter});
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map.addLayer(layer);
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map.setCenter(new OpenLayers.LonLat(0,0), 5);
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var tile = layer.grid[0][0];
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t.ok(tile.layer.imageSize == null,
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"zero size gutter doesn't set image size");
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var zero_gutter_bounds = tile.bounds;
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map.destroy();
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var gutter = 15;
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var map = new OpenLayers.Map('map');
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var layer = new OpenLayers.Layer.WMS(name, url, params, {gutter: gutter});
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map.addLayer(layer);
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map.setCenter(new OpenLayers.LonLat(0,0), 5);
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var tile = layer.grid[0][0];
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t.ok(tile.layer.imageSize.equals(new OpenLayers.Size(tile.size.w + (2 * gutter),
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tile.size.h + (2 * gutter))),
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"gutter properly changes image size");
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var offsetLeft = -(gutter / layer.tileSize.w * 100) | 0;
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var offsetTop = -(gutter / layer.tileSize.h * 100) | 0;
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t.eq(parseInt(tile.imgDiv.style.left, 10), offsetLeft,
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"gutter properly sets image left style");
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t.eq(parseInt(tile.imgDiv.style.top, 10), offsetTop,
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"gutter properly sets image top style");
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t.ok(tile.bounds.equals(zero_gutter_bounds),
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"gutter doesn't affect tile bounds");
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map.destroy();
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}
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function test_createBackBuffer(t) {
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t.plan(3);
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var map = new OpenLayers.Map('map');
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var layer = new OpenLayers.Layer.WMS( "OpenLayers WMS",
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"../../img/blank.gif", {layers: 'basic'});
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map.addLayer(layer);
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map.setCenter(new OpenLayers.LonLat(0,0), 5);
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var tile = layer.grid[0][0];
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// we're going to create a back buffer while the image
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// is actually loading, so we call stopObservingElement
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// to avoid any unexpected behavior
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tile.isLoading = false;
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OpenLayers.Event.stopObservingElement(tile.imgDiv);
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var img = tile.imgDiv;
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var left = img.style.left;
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var bb = tile.createBackBuffer();
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t.eq(bb.style.left, left, "backbuffer has same left style as frame");
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t.ok(bb === img, "image appended to bb");
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t.ok(tile.imgDiv == null, "image reference removed from tile");
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map.destroy();
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}
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function test_onImageLoad(t) {
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t.plan(3);
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var map = new OpenLayers.Map('map');
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var layer = new OpenLayers.Layer.WMS( "OpenLayers WMS",
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"../../img/blank.gif", {layers: 'basic'}, {opacity: 0.5});
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map.addLayer(layer);
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map.setCenter(new OpenLayers.LonLat(0,0), 5);
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var tile = layer.grid[0][0];
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var log;
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tile.events.on({loadend: function() { log++; }});
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log = 0;
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tile.onImageLoad();
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t.eq(tile.imgDiv.style.visibility, 'inherit',
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'onImageLoad makes the image visible');
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t.eq(parseFloat(tile.imgDiv.style.opacity), 0.5,
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'onImageLoad sets the expected opacity for the image');
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t.eq(log, 1,
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'onImageLoad does trigger loadend');
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map.destroy();
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}
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function test_getCanvasContext(t) {
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if (!OpenLayers.CANVAS_SUPPORTED) {
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t.plan(0);
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} else {
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t.plan(1);
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var map = new OpenLayers.Map('map');
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var layer = new OpenLayers.Layer.WMS("blank",
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"../../img/blank.gif", {layers: 'fake'});
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map.addLayer(layer);
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map.setCenter(new OpenLayers.LonLat(0, 0), 5);
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t.delay_call(5, function() {
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var tile = layer.grid[0][0];
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if (tile.isLoading) {
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t.ok(false, "test_getCanvasContext timeout");
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} else {
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t.ok(tile.getCanvasContext() instanceof CanvasRenderingContext2D,
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"getCanvasContext() returns CanvasRenderingContext2D instance");
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}
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map.destroy();
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});
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}
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}
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/*
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* A series of tests to verify the dimensions and positions
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* of the tile frame and img after draw.
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* Written for https://github.com/openlayers/openlayers/issues/441
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*/
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function test_draw_without_gutter_without_frame(t) {
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t.plan(5);
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var map = new OpenLayers.Map('map');
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var layer = new OpenLayers.Layer.WMS('blank',
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'../../img/blank.gif',
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{layers: 'fake'},
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{isBaseLayer: true});
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map.addLayer(layer);
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var tile = new OpenLayers.Tile.Image(
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layer,
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new OpenLayers.Pixel(6, 6),
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new OpenLayers.Bounds(5, 45, 6, 46),
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null,
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new OpenLayers.Size(256, 256));
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tile.draw();
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t.eq(tile.frame, null, 'no frame');
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t.eq(parseInt(tile.imgDiv.style.left, 10), 6, 'correct tile img left');
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t.eq(parseInt(tile.imgDiv.style.top, 10), 6, 'correct tile img top');
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t.eq(parseInt(tile.imgDiv.style.width, 10), 256, 'correct tile img width');
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t.eq(parseInt(tile.imgDiv.style.height, 10), 256, 'correct tile img height');
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map.destroy();
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}
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function test_draw_without_gutter_with_frame(t) {
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t.plan(8);
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var map = new OpenLayers.Map('map');
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var layer = new OpenLayers.Layer.WMS('blank',
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'../../img/blank.gif',
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{layers: 'fake'},
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{isBaseLayer: true});
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map.addLayer(layer);
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layer.gutter = 1; // this is just for a frame to be created for
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// the tile
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var tile = new OpenLayers.Tile.Image(
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layer,
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|
new OpenLayers.Pixel(6, 6),
|
|
new OpenLayers.Bounds(5, 45, 6, 46),
|
|
null,
|
|
new OpenLayers.Size(256, 256));
|
|
layer.gutter = null;
|
|
|
|
tile.draw();
|
|
t.eq(parseInt(tile.frame.style.left, 10), 6, 'correct tile frame left');
|
|
t.eq(parseInt(tile.frame.style.top, 10), 6, 'correct tile frame top');
|
|
t.eq(parseInt(tile.frame.style.width, 10), 256, 'correct tile frame width');
|
|
t.eq(parseInt(tile.frame.style.height, 10), 256, 'correct tile frame height');
|
|
t.eq(parseInt(tile.imgDiv.style.left, 10), 0, 'correct tile img left');
|
|
t.eq(parseInt(tile.imgDiv.style.top, 10), 0, 'correct tile img top');
|
|
t.eq(parseInt(tile.imgDiv.style.width, 10), 100, 'correct tile img width');
|
|
t.eq(parseInt(tile.imgDiv.style.height, 10), 100, 'correct tile img height');
|
|
|
|
map.destroy();
|
|
}
|
|
function test_draw_with_gutter(t) {
|
|
t.plan(8);
|
|
|
|
var map = new OpenLayers.Map('map');
|
|
var layer = new OpenLayers.Layer.WMS('blank',
|
|
'../../img/blank.gif',
|
|
{layers: 'fake'},
|
|
{isBaseLayer: true, gutter: 15});
|
|
map.addLayer(layer);
|
|
var tile = new OpenLayers.Tile.Image(
|
|
layer,
|
|
new OpenLayers.Pixel(6, 6),
|
|
new OpenLayers.Bounds(5, 45, 6, 46),
|
|
null,
|
|
new OpenLayers.Size(256, 256));
|
|
|
|
tile.draw();
|
|
t.eq(parseInt(tile.frame.style.left, 10), 6, 'correct tile frame left');
|
|
t.eq(parseInt(tile.frame.style.top, 10), 6, 'correct tile frame top');
|
|
t.eq(parseInt(tile.frame.style.width, 10), 256, 'correct tile frame width');
|
|
t.eq(parseInt(tile.frame.style.height, 10), 256, 'correct tile frame height');
|
|
t.eq(parseInt(tile.imgDiv.style.left, 10), -5, 'correct tile img left');
|
|
t.eq(parseInt(tile.imgDiv.style.top, 10), -5, 'correct tile img top');
|
|
t.eq(parseInt(tile.imgDiv.style.width, 10), 111, 'correct tile img width');
|
|
t.eq(parseInt(tile.imgDiv.style.height, 10), 111, 'correct tile img height');
|
|
|
|
map.destroy();
|
|
}
|
|
|
|
</script>
|
|
</head>
|
|
<body>
|
|
<div id="map" style="height:550px;width:500px"></div>
|
|
</body>
|
|
</html>
|
|
|