suzanne.soy/scribble-math
1
0
Fork 0
Code Issues 8 Pull Requests 3 Actions Packages Projects Releases Wiki Activity

Add ability to process units of px in \\[...] (not particularly accurate, however). Issue #890

Browse Source
This commit is contained in:
Davide P. Cervone 2014-08-18 11:09:09 -04:00
parent 4666badbe2
commit 72a6a670bf
1 changed files with 6 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
unpacked/jax/input/TeX/jax.js
View File

@ -1654,8 +1654,7 @@
var n;
if (this.string.charAt(this.i) === "[") {
n = this.GetBrackets(name,"").replace(/ /g,"");
if (n &&
!n.match(/^((-?(\.\d+|\d+(\.\d*)?))(pt|em|ex|mu|mm|cm|in|pc))$/)) {
if (n && !this.matchDimen(n)) {
TEX.Error(["BracketMustBeDimension",
"Bracket argument to %1 must be a dimension",name]);
}
@ -1676,12 +1675,16 @@
}
},
emPerInch: 7.2,
matchDimen: function (dim) {
return dim.match(/^(-?(?:\.\d+|\d+(?:\.\d*)?))(px|pt|em|ex|mu|pc|in|mm|cm)$/);
},
dimen2em: function (dim) {
var match = dim.match(/^(-?(?:\.\d+|\d+(?:\.\d*)?))(pt|em|ex|mu|pc|in|mm|cm)/);
var match = this.matchDimen(dim);
var m = parseFloat(match[1]||"1"), unit = match[2];
if (unit === "em") {return m}
if (unit === "ex") {return m * .43}
if (unit === "pt") {return m / 10} // 10 pt to an em
if (unit === "px") {return m / 12} // assume 12px per em (hack)
if (unit === "pc") {return m * 1.2} // 12 pt to a pc
if (unit === "in") {return m * this.emPerInch}
if (unit === "cm") {return m * this.emPerInch / 2.54} // 2.54 cm to an inch