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only getComputedTextLength() once

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Ansis Brammanis
2013-01-11 16:56:28 -05:00
parent 7e9eaa6422
commit 6b09da380d
1 changed files with 9 additions and 5 deletions
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js/id/svg/lines.js
+9 -5
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@@ -1,10 +1,14 @@
iD.svg.Lines = function() {
return function(surface, graph, entities, filter, projection) {
var arrowtext = '►\u3000\u3000',
arrow = surface.append('text').text(arrowtext),
alength = arrow.node().getComputedTextLength();
arrow.remove();
var arrowtext = '►\u3000\u3000',
alength;
return function(surface, graph, entities, filter, projection) {
if (!alength) {
var arrow = surface.append('text').text(arrowtext);
alength = arrow.node().getComputedTextLength();
arrow.remove();
}
var lines = [];