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Making it so the clear method on the canvas renderer permanently clears features (as with the other renderers). r=crschmidt (closes #2775)

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git-svn-id: http://svn.openlayers.org/trunk/openlayers@10595 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
This commit is contained in:
Tim Schaub
2010-08-05 15:34:48 +00:00
parent d965d4a1a0
commit c15a1a0779
1 changed files with 3 additions and 3 deletions
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6
lib/OpenLayers/Renderer/Canvas.js
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@@ -393,14 +393,14 @@ OpenLayers.Renderer.Canvas = OpenLayers.Class(OpenLayers.Renderer, {
var y = ((extent.top / resolution) - point.y / resolution); var y = ((extent.top / resolution) - point.y / resolution);
return [x, y]; return [x, y];
}, },
/** /**
* Method: clear * Method: clear
* Clear all vectors from the renderer. * Clear all vectors from the renderer.
* virtual function.
*/ */
clear: function() { clear: function() {
this.canvas.clearRect(0, 0, this.root.width, this.root.height); this.canvas.clearRect(0, 0, this.root.width, this.root.height);
this.features = {};
}, },
/** /**
@@ -458,7 +458,7 @@ OpenLayers.Renderer.Canvas = OpenLayers.Class(OpenLayers.Renderer, {
*/ */
redraw: function() { redraw: function() {
if (!this.locked) { if (!this.locked) {
this.clear(); this.canvas.clearRect(0, 0, this.root.width, this.root.height);
var labelMap = []; var labelMap = [];
var feature, style; var feature, style;
for (var id in this.features) { for (var id in this.features) {