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Merge pull request #1461 from dpvc/issue1452

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Make sure 0 remains 0 when rounding to pixels (plus a bit).  Resolves issue #1452.
This commit is contained in:
Davide P. Cervone 2016-05-17 11:24:01 -04:00
commit 264981846f
1 changed files with 4 additions and 2 deletions
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6
unpacked/jax/output/HTML-CSS/jax.js
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@ -1007,8 +1007,8 @@
return m.toFixed(3).replace(/\.?0+$/,"") + "em";
},
EmRounded: function (m) {
m = (Math.round(m*HTMLCSS.em)+.05)/HTMLCSS.em;
if (Math.abs(m) < .0006) {return "0em"}
m = (Math.round(m*HTMLCSS.em)+.05)/HTMLCSS.em;
return m.toFixed(3).replace(/\.?0+$/,"") + "em";
},
unEm: function (m) {
@ -2936,7 +2936,9 @@
// Add the width to the span (outside the MathJax class, so uses outer em size,
// which makes it work even when minimum font size is in effect).
//
span.style.width = HTMLCSS.Em(Math.max(0,Math.round(math.bbox.w*this.em)+.25)/HTMLCSS.outerEm);
var W = math.bbox.w;
W = Math.abs(W) < .006 ? 0 : Math.max(0,Math.round(W*this.em)+.25);
span.style.width = HTMLCSS.EmRounded(W/HTMLCSS.outerEm);
span.style.display = "inline-block";
//
// Adjust bbox to match outer em-size