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don't waste coordinate space by using a smaller renderer extent and updating it on moveend. r=bartvde (closes #3359)

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git-svn-id: http://svn.openlayers.org/trunk/openlayers@12163 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
This commit is contained in:
ahocevar
2011-07-11 17:07:15 +00:00
parent fdd7843a6a
commit 6ef5e395d1
5 changed files with 83 additions and 22 deletions
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12
tests/Renderer/SVG2.html
View File

@@ -48,7 +48,7 @@
return;
}
t.plan(5);
t.plan(7);
OpenLayers.Renderer.SVG2.prototype._setExtent =
OpenLayers.Renderer.SVG2.prototype.setExtent;
@@ -76,14 +76,16 @@
t.eq(g_SetExtent, true, "Elements.setExtent() called");
t.eq(r.rendererRoot.getAttributeNS(null, "width"), "4", "width is correct");
t.eq(r.rendererRoot.getAttributeNS(null, "height"), "4", "height is correct");
t.eq(r.rendererRoot.getAttributeNS(null, "viewBox"), "1 -4 2 2", "rendererRoot viewBox is correct");
t.eq(r.extent.toString(), extent.scale(3).toString(), "renderer's extent is correct");
t.eq(r.rendererRoot.getAttributeNS(null, "width"), "12", "width is correct");
t.eq(r.rendererRoot.getAttributeNS(null, "height"), "12", "height is correct");
t.eq(r.rendererRoot.getAttributeNS(null, "viewBox"), "-1 -6 6 6", "rendererRoot viewBox is correct");
// test extent changes
extent = new OpenLayers.Bounds(2,3,5,6);
r.updateDimensions();
t.eq(r.rendererRoot.getAttributeNS(null, "viewBox"), "2 -6 3 3", "rendererRoot viewBox is correct after a new setExtent");
t.eq(r.extent.toString(), extent.scale(3).toString(), "renderer's extent changed after updateDimensions");
t.eq(r.rendererRoot.getAttributeNS(null, "viewBox"), "-1 -9 9 9", "rendererRoot viewBox is correct after a new setExtent");
OpenLayers.Renderer.SVG2.prototype.setExtent =
OpenLayers.Renderer.SVG2.prototype._setExtent;

50
tests/manual/svg2-coordinaterange.html Normal file
View File

@@ -0,0 +1,50 @@
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" >
<link rel="stylesheet" href="../../theme/default/style.css" type="text/css" />
<style type="text/css">
#map {
width: 512px;
height: 512px;
border: 1px solid gray;
}
</style>
<title>SVG2 coordinate range check</title>
<script type="text/javascript" src="../../lib/OpenLayers.js"></script>
<script>
var WGS84 = new OpenLayers.Projection("EPSG:4326");
var Mercator = new OpenLayers.Projection("EPSG:900913");
var wkt = new OpenLayers.Format.WKT({ internalProjection: Mercator, externalProjection: WGS84 });
function init() {
var externalGraphic, baseURL, baseLayer, layerOptions, hidemessenger;
var map = new OpenLayers.Map('map', {
controls: [
new OpenLayers.Control.Navigation(),
new OpenLayers.Control.PanZoom(),
new OpenLayers.Control.Attribution()
],
theme: null
});
baseLayer = new OpenLayers.Layer.OSM("OSM");
var viewLayer = new OpenLayers.Layer.Vector("View Layer", {renderers: ["SVG2"]});
map.addLayers([baseLayer, viewLayer]);
viewLayer.addFeatures([wkt.read("LINESTRING(2.4356174739332 48.816618174539, 2.4313688548536 48.826083884311)")]);
var lonLat = new OpenLayers.LonLat( 2.43686, 48.81742) .transform( WGS84, Mercator);
map.setCenter (lonLat, 16);
}
</script>
<body onload="init()">
<div id="map"></div>
<p>The map should show a line on top of the OSM layer. If it does not, then
either the CSS or the SVG coordinate range is exceeded.</p>
<p>This test only works on browsers that support SVG.</p>
</body>
</html>