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New SVG2 renderer for increased performance and smaller library size. Not enabled by default. To use, include 'SVG2' in the renderers array of your OpenLayers.Layer.Vector instance. r=crschmidt (closes #2802)

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git-svn-id: http://svn.openlayers.org/trunk/openlayers@11616 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
This commit is contained in:
ahocevar
2011-03-05 21:17:02 +00:00
parent 72f2ce5d0e
commit e3d137754c
14 changed files with 1552 additions and 28 deletions
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58
lib/OpenLayers/Layer/Vector.js
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@@ -472,34 +472,38 @@ OpenLayers.Layer.Vector = OpenLayers.Class(OpenLayers.Layer, {
moveTo: function(bounds, zoomChanged, dragging) {
OpenLayers.Layer.prototype.moveTo.apply(this, arguments);
var coordSysUnchanged = true;
var ng = (this.renderer instanceof OpenLayers.Renderer.NG);
if (ng) {
zoomChanged && this.renderer.updateDimensions();
} else {
var coordSysUnchanged = true;
if (!dragging) {
this.renderer.root.style.visibility = "hidden";
if (!dragging) {
this.renderer.root.style.visibility = "hidden";
this.div.style.left = -parseInt(this.map.layerContainerDiv.style.left) + "px";
this.div.style.top = -parseInt(this.map.layerContainerDiv.style.top) + "px";
var extent = this.map.getExtent();
coordSysUnchanged = this.renderer.setExtent(extent, zoomChanged);
this.div.style.left = -parseInt(this.map.layerContainerDiv.style.left) + "px";
this.div.style.top = -parseInt(this.map.layerContainerDiv.style.top) + "px";
var extent = this.map.getExtent();
coordSysUnchanged = this.renderer.setExtent(extent, zoomChanged);
this.renderer.root.style.visibility = "visible";
this.renderer.root.style.visibility = "visible";
// Force a reflow on gecko based browsers to prevent jump/flicker.
// This seems to happen on only certain configurations; it was originally
// noticed in FF 2.0 and Linux.
if (OpenLayers.IS_GECKO === true) {
this.div.scrollLeft = this.div.scrollLeft;
}
// Force a reflow on gecko based browsers to prevent jump/flicker.
// This seems to happen on only certain configurations; it was originally
// noticed in FF 2.0 and Linux.
if (OpenLayers.IS_GECKO === true) {
this.div.scrollLeft = this.div.scrollLeft;
}
if(!zoomChanged && coordSysUnchanged) {
for(var i in this.unrenderedFeatures) {
var feature = this.unrenderedFeatures[i];
this.drawFeature(feature);
if(!zoomChanged && coordSysUnchanged) {
for(var i in this.unrenderedFeatures) {
var feature = this.unrenderedFeatures[i];
this.drawFeature(feature);
}
}
}
}
if (!this.drawn || zoomChanged || !coordSysUnchanged) {
if (!this.drawn || (!ng && (zoomChanged || !coordSysUnchanged))) {
this.drawn = true;
var feature;
for(var i=0, len=this.features.length; i<len; i++) {
@@ -510,6 +514,20 @@ OpenLayers.Layer.Vector = OpenLayers.Class(OpenLayers.Layer, {
}
},
/**
* APIMethod: redraw
* Redraws the layer. Returns true if the layer was redrawn, false if not.
*
* Returns:
* {Boolean} The layer was redrawn.
*/
redraw: function() {
if (this.renderer instanceof OpenLayers.Renderer.NG) {
this.drawn = false;
}
return OpenLayers.Layer.prototype.redraw.apply(this, arguments);
},
/**
* APIMethod: display
* Hide or show the Layer