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Bug 104332 - Calculate active DPI value using getComputedStyle.

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r=samuel@sieb.net
This commit is contained in:
silver%warwickcompsoc.co.uk 2004-02-19 17:11:14 +00:00
parent 30bcec1891
commit 9ca2a8518a
1 changed files with 4 additions and 7 deletions
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11
extensions/irc/xul/content/static.js
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@ -830,13 +830,10 @@ function getDefaultFontSize()
}
catch(ex) { }
// DPI pref : browser.display.screen_resolution
var dpi = 96;
try
{
dpi = prefBranch.getIntPref("browser.display.screen_resolution");
}
catch(ex) { }
// Get the DPI the fun way (make Mozilla do the work).
var b = document.createElement("box");
b.style.width = "1in";
var dpi = window.getComputedStyle(b, null).width.match(/^\d+/);
return Math.round((pxSize / dpi) * 72);
}