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Optimize resetting opacity

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Tom MacWright
2013-02-08 11:02:23 -05:00
parent bd615fb19f
commit 0b89df063f
1 changed files with 12 additions and 2 deletions
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js/id/svg/labels.js
+12 -2
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@@ -212,15 +212,25 @@ iD.svg.Labels = function(projection) {
containsLabel = iD.util.trueObj(labels),
selection = d3.select(this);
// ensures that simply resetting opacity
// does not force style recalculation
function resetOpacity() {
if (this._opacity !== '') {
this.style.opacity = '';
this._opacity = '';
}
}
selection.selectAll('.layer-label text, .layer-halo path, .layer-halo rect')
.style('opacity', '');
.each(resetOpacity);
if (!labels.length) return;
selection.selectAll('.layer-label text, .layer-halo path, .layer-halo rect')
.filter(function(d) {
return containsLabel[d.id];
})
.style('opacity', 0);
.style('opacity', 0)
.property('_opacity', 0);
}
var rtree = new RTree(),