test_Tile_Image.html
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<html>
<head>
<script src="../lib/OpenLayers.js"></script>
<script type="text/javascript"><!--
var isMozilla = (navigator.userAgent.indexOf("compatible") == -1);
var tile;
function test_01_Tile_Image_constructor (t) {
t.plan( 6 );
var layer = new OpenLayers.Layer.WMS( "OpenLayers WMS",
"http://labs.metacarta.com/wms/vmap0?", {layers: 'basic'});
var position = new OpenLayers.Pixel(20,30);
var bounds = new OpenLayers.Bounds(1,2,3,4);
var url = "http://www.openlayers.org/dev/tests/tileimage";
var size = new OpenLayers.Size(5,6);
tile = new OpenLayers.Tile.Image(layer, position, bounds, url, size);
t.ok( tile instanceof OpenLayers.Tile.Image, "new OpenLayers.Tile returns Tile object" );
t.ok( tile.layer == layer, "tile.layer is set correctly");
t.ok( tile.position.equals(position), "tile.position is set correctly");
t.ok( tile.bounds.equals(bounds), "tile.bounds is set correctly");
t.eq( tile.url, url, "tile.url is set correctly");
t.ok( tile.size.equals(size), "tile.size is set correctly");
}
function test_02_Tile_Image_draw (t) {
t.plan( 5 );
var map = new OpenLayers.Map('map');
layer = new OpenLayers.Layer.WMS("Name", "http://labs.metacarta.com/TESTURL");
map.addLayer(layer);
var position = new OpenLayers.Pixel(20,30);
var bounds = new OpenLayers.Bounds(1,2,3,4);
var url = "http://www.openlayers.org/dev/tests/tileimage";
var size = new OpenLayers.Size(5,6);
tile = new OpenLayers.Tile.Image(layer, position, bounds, url, size);
tile.draw();
var img = tile.imgDiv;
if (!isMozilla)
t.ok( true, "skipping element test outside of Mozilla");
else
t.ok( tile.imgDiv instanceof HTMLElement, "tile.draw creates an image");
if (!isMozilla)
t.ok( true, "skipping element test outside of Mozilla");
else
t.ok( img instanceof HTMLImageElement, "tile.draw creates an image");
var tParams = {
SERVICE: "WMS", VERSION: "1.1.1",
REQUEST: "GetMap", STYLES: "",
EXCEPTIONS: "application/vnd.ogc.se_inimage", FORMAT: "image/jpeg",
SRS: "EPSG:4326", BBOX: "1,2,3,4",
WIDTH: "256", HEIGHT: "256"
};
t.eq( img.src,
"http://labs.metacarta.com/TESTURL?" + OpenLayers.Util.getParameterString(tParams),
"tile.draw creates an image");
t.eq( tile.imgDiv.style.width, "5px", "Image width is correct" );
t.eq( tile.imgDiv.style.height, "6px", "Image height is correct" );
}
function test_03_Tile_Image_OutsideMaxExtent(t) {
t.plan( 11 );
var position = new OpenLayers.Pixel(20,30);
var bounds = new OpenLayers.Bounds(1,2,3,4);
var url = "http://www.openlayers.org/dev/tests/tileimage";
var size = new OpenLayers.Size(5,6);
var map = new OpenLayers.Map('map');
var layer = new OpenLayers.Layer.WMS( "OpenLayers WMS",
"http://labs.metacarta.com/wms/vmap0?", {layers: 'basic'}, {reproject:false});
map.addLayer(layer);
tile = new OpenLayers.Tile.Image(layer, position, new OpenLayers.Bounds(-185,-90,-180,90), url, size);
tile.draw()
t.eq(tile.imgDiv, null, "Images against side of maxextent don't load");
tile = new OpenLayers.Tile.Image(layer, position, new OpenLayers.Bounds(-181,-91,180,90), url, size);
tile.draw()
var tParams = {
LAYERS: "basic", SERVICE: "WMS", VERSION: "1.1.1",
REQUEST: "GetMap", STYLES: "",
EXCEPTIONS: "application/vnd.ogc.se_inimage", FORMAT: "image/jpeg",
SRS: "EPSG:4326", BBOX: "-181,-91,180,90",
WIDTH: "256", HEIGHT: "256"
};
t.eq(tile.imgDiv.src,
"http://labs.metacarta.com/wms/vmap0?" + OpenLayers.Util.getParameterString(tParams),
"Images over edges of maxextent do load");
tile = new OpenLayers.Tile.Image(layer, position, new OpenLayers.Bounds(-181,-90,180,90), url, size);
tile.draw()
tParams = OpenLayers.Util.extend(tParams, {BBOX: "-181,-90,180,90"});
t.eq(tile.imgDiv.src,
"http://labs.metacarta.com/wms/vmap0?" + OpenLayers.Util.getParameterString(tParams),
"Images over edges of maxextent do load");
tile = new OpenLayers.Tile.Image(layer, position, new OpenLayers.Bounds(-180,-90,180,90), url, size);
tile.draw()
tParams = OpenLayers.Util.extend(tParams, {BBOX: "-180,-90,180,90"});
t.eq(tile.imgDiv.src,
"http://labs.metacarta.com/wms/vmap0?" + OpenLayers.Util.getParameterString(tParams),
"Image covering all of extent loads");
tile = new OpenLayers.Tile.Image(layer, position, new OpenLayers.Bounds(-80,-45,80,45), url, size);
tile.draw()
tParams = OpenLayers.Util.extend(tParams, {BBOX: "-80,-45,80,45"});
t.eq(tile.imgDiv.src,
"http://labs.metacarta.com/wms/vmap0?" + OpenLayers.Util.getParameterString(tParams),
"Image covering small part of extent loads");
tile = new OpenLayers.Tile.Image(layer, position, new OpenLayers.Bounds(-185,-95,185,95), url, size);
tile.draw()
tParams = OpenLayers.Util.extend(tParams, {BBOX: "-185,-95,185,95"});
t.eq(tile.imgDiv.src,
"http://labs.metacarta.com/wms/vmap0?" + OpenLayers.Util.getParameterString(tParams),
"Image covering more than all of extent loads");
layer.displayOutsideMaxExtent=1;
tile = new OpenLayers.Tile.Image(layer, position, new OpenLayers.Bounds(-185,-90,-180,90), url, size);
tile.draw()
tParams = OpenLayers.Util.extend(tParams, {BBOX: "-185,-90,-180,90"});
t.eq(tile.imgDiv.src,
"http://labs.metacarta.com/wms/vmap0?" + OpenLayers.Util.getParameterString(tParams),
"Images against side of maxextent do load with displayOutsideMaxExtent");
tile = new OpenLayers.Tile.Image(layer, position, new OpenLayers.Bounds(-181,-90,180,90), url, size);
tile.draw()
tParams = OpenLayers.Util.extend(tParams, {BBOX: "-181,-90,180,90"});
t.eq(tile.imgDiv.src,
"http://labs.metacarta.com/wms/vmap0?" + OpenLayers.Util.getParameterString(tParams),
"Images over edges of maxextent do load with displayOutsideMaxExtent set");
tile = new OpenLayers.Tile.Image(layer, position, new OpenLayers.Bounds(-180,-90,180,90), url, size);
tile.draw()
tParams = OpenLayers.Util.extend(tParams, {BBOX: "-180,-90,180,90"});
t.eq(tile.imgDiv.src,
"http://labs.metacarta.com/wms/vmap0?" + OpenLayers.Util.getParameterString(tParams),
"Image covering all of extent loads with display outside max extent");
tile = new OpenLayers.Tile.Image(layer, position, new OpenLayers.Bounds(-80,-45,80,45), url, size);
tile.draw()
tParams = OpenLayers.Util.extend(tParams, {BBOX: "-80,-45,80,45"});
t.eq(tile.imgDiv.src,
"http://labs.metacarta.com/wms/vmap0?" + OpenLayers.Util.getParameterString(tParams),
"Image covering small part of extent loads with display outside max extent");
tile = new OpenLayers.Tile.Image(layer, position, new OpenLayers.Bounds(-185,-95,185,95), url, size);
tile.draw()
tParams = OpenLayers.Util.extend(tParams, {BBOX: "-185,-95,185,95"});
t.eq(tile.imgDiv.src,
"http://labs.metacarta.com/wms/vmap0?" + OpenLayers.Util.getParameterString(tParams),
"Image covering more than all of extent loads");
}
function test_04_Tile_Image_Display_After_Move(t) {
t.plan(2);
var position = new OpenLayers.Pixel(20,30);
var bounds = new OpenLayers.Bounds(1,2,3,4);
var url = "http://www.openlayers.org/dev/tests/tileimage";
var size = new OpenLayers.Size(5,6);
var map = new OpenLayers.Map('map');
var layer = new OpenLayers.Layer.WMS( "OpenLayers WMS",
"http://labs.metacarta.com/wms/vmap0?", {layers: 'basic'});
map.addLayer(layer);
map.zoomToMaxExtent();
tile = new OpenLayers.Tile.Image(layer, position, new OpenLayers.Bounds(-90,-85,-90,85), url, size);
tile.draw();
tile.moveTo(new OpenLayers.Bounds(-185,-90,-180,-80), new OpenLayers.Pixel(-180,-85), true);
t.delay_call( 1, function() { t.eq(tile.imgDiv, null, "Tile imgDiv is null.") } );
var layer = new OpenLayers.Layer.WMS( "OpenLayers WMS",
"http://labs.metacarta.com/wms/vmap0?", {layers: 'basic'}, {'alpha':true});
map.addLayer(layer);
tile = new OpenLayers.Tile.Image(layer, position, new OpenLayers.Bounds(-90,-85,-90,85), url, size);
tile.draw();
tile.moveTo(new OpenLayers.Bounds(-185,-90,-180,-80), new OpenLayers.Pixel(-180,-85), true)
t.delay_call( 1, function() { t.eq(tile.imgDiv, null, "Alpha tile imgDiv is null.") } );
}
// -->
</script>
</head>
<body>
<div id="map" style="height:500px;width:500px"></div>
</body>
</html>