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Make px-per-inch configurable and use 72dpi (pt = px in this case)

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This commit is contained in:
Davide P. Cervone 2014-08-18 11:29:21 -04:00
parent 72a6a670bf
commit 4db6b017ee
1 changed files with 2 additions and 1 deletions
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3
unpacked/jax/input/TeX/jax.js
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@ -1675,6 +1675,7 @@
}
},
emPerInch: 7.2,
pxPerInch: 72,
matchDimen: function (dim) {
return dim.match(/^(-?(?:\.\d+|\d+(?:\.\d*)?))(px|pt|em|ex|mu|pc|in|mm|cm)$/);
},
@ -1684,8 +1685,8 @@
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 === "px") {return m * this.emPerInch / this.pxPerInch}
if (unit === "in") {return m * this.emPerInch}
if (unit === "cm") {return m * this.emPerInch / 2.54} // 2.54 cm to an inch
if (unit === "mm") {return m * this.emPerInch / 25.4} // 10 mm to a cm