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#529 give tiles gutters - all layers that use Tile.Image must now look after layer.imageSize and layer.imageOffset - this is handled by layer.setTileSize - for untiled layers, setTileSize must be defined by the subclass - gutters are currently supported in Layer.Mapserver and Layer.WMS

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git-svn-id: http://svn.openlayers.org/trunk/openlayers@2979 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
This commit is contained in:
Tim Schaub
2007-04-02 17:18:38 +00:00
parent 7f0ccb69f0
commit b6a5e6619a
14 changed files with 351 additions and 56 deletions
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tests/Tile/test_Image.html
+53 -4
View File
@@ -29,12 +29,15 @@
var map = new OpenLayers.Map('map');
layer = new OpenLayers.Layer.WMS("Name", "http://labs.metacarta.com/TESTURL");
var size = new OpenLayers.Size(5,6);
layer = new OpenLayers.Layer.WMS("Name",
"http://labs.metacarta.com/TESTURL",
null,
{tileSize: size});
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();
@@ -53,7 +56,7 @@
REQUEST: "GetMap", STYLES: "",
EXCEPTIONS: "application/vnd.ogc.se_inimage", FORMAT: "image/jpeg",
SRS: "EPSG:4326", BBOX: "1,2,3,4",
WIDTH: "256", HEIGHT: "256"
WIDTH: String(size.w), HEIGHT: String(size.h)
};
t.eq( img.src,
"http://labs.metacarta.com/TESTURL?" + OpenLayers.Util.getParameterString(tParams),
@@ -167,11 +170,57 @@
t.delay_call( 1, function() { t.eq(tile.imgDiv, null, "Alpha tile imgDiv is null.") } );
}
function test_05_Tile_Image_gutters(t) {
t.plan(5);
var gutter = 0;
var name = 'Test Layer';
var url = "http://octo.metacarta.com/cgi-bin/mapserv";
var params = { map: '/mapdata/vmap_wms.map',
layers: 'basic',
format: 'image/png'};
var map = new OpenLayers.Map('map');
var layer = new OpenLayers.Layer.WMS(name, url, params, {gutter: gutter});
map.addLayer(layer);
map.setCenter(new OpenLayers.LonLat(0,0), 5);
var tile = layer.grid[0][0];
t.ok(tile.layer.imageSize.equals(tile.size),
"zero size gutter doesn't change image size");
t.ok(tile.layer.imageOffset.equals(new OpenLayers.Pixel(0, 0)),
"zero size gutter doesn't affect image offset");
map.destroy();
var gutter = 15;
var map = new OpenLayers.Map('map');
var layer = new OpenLayers.Layer.WMS(name, url, params, {gutter: gutter});
map.addLayer(layer);
map.setCenter(new OpenLayers.LonLat(0,0), 5);
var tile = layer.grid[0][0];
t.ok(tile.layer.imageSize.equals(new OpenLayers.Size(tile.size.w + (2 * gutter),
tile.size.h + (2 * gutter))),
"gutter properly changes image size");
t.ok(tile.layer.imageOffset.equals(new OpenLayers.Pixel(-gutter, -gutter)),
"gutter properly sets image offset");
t.ok(tile.bounds.equals(new OpenLayers.Bounds(-33.75, 33.75, -22.5, 45)),
"gutter doesn't affect tile bounds");
map.destroy();
}
// -->
</script>
</head>
<body>
<div id="map" style="height:500px;width:500px"></div>
<div id="map" style="height:550px;width:500px"></div>
</body>
</html>