Created
September 19, 2013 10:51
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invisible element to load web font before getBBox needs it
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<!DOCTYPE html> | |
<html> | |
<head> | |
<meta http-equiv="Content-type" content="text/html; charset=utf-8"> | |
<title>Text bbox issue</title> | |
</head> | |
<style type="text/css" media="screen"> | |
@import url(http://fonts.googleapis.com/css?family=Cutive); | |
svg text { | |
font-family: 'Cutive',Helvetica, sans-serif; | |
font-size: 30px; | |
} | |
#invisible { | |
font-family: 'Cutive',Helvetica, sans-serif; | |
visibility: hidden; | |
} | |
</style> | |
<body> | |
<div id="invisible">now you see me...</div> | |
<div id="content"></div> | |
</body> | |
<script src="http://d3js.org/d3.v3.min.js" charset="utf-8"></script> | |
<script type="text/javascript" charset="utf-8"> | |
var txts; | |
function transformCoordOf(elem) { | |
var separator = elem.attr("transform").indexOf(",") > -1 ? "," : " "; | |
var trans = elem.attr("transform").split(separator); | |
return { x: (trans[0] ? parseFloat(trans[0].split("(")[1]) : 0), y: (trans[1] ? parseFloat(trans[1].split(")")[0] ): 0) }; | |
} | |
function positionElements() { | |
txts.filter(function(d,i){return i != 0}) | |
.attr("transform",function(d,i){ | |
var prev = d3.select(txts[0][i]), | |
prevWidth = parseFloat(prev.node().getBoundingClientRect().width) | |
prevCoords = transformCoordOf(prev); | |
var cur = d3.select(this), | |
curWidth = parseFloat(cur.node().getBoundingClientRect().width) | |
curCoords = transformCoordOf(cur); | |
var y = prevCoords.y, | |
x = prevCoords.x + prevWidth + 10; | |
return "translate("+x+","+y+")"; | |
}) | |
d3.select('#invisible').remove(); | |
} | |
function init() { | |
var names = ["apples","oranges","bananas"] | |
var canvas = d3.select("#content") | |
.append("svg") | |
.attr("width","600px") | |
.attr("height","100px"); | |
txts = canvas.selectAll("text").data(names) | |
.enter() | |
.append("text") | |
.attr("transform","translate(10,50)") | |
.text(function(d){return d}); | |
positionElements(); | |
} | |
init(); | |
</script> | |
</html> |
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