зеркало из https://github.com/mozilla/gecko-dev.git
73 строки
2.7 KiB
JavaScript
73 строки
2.7 KiB
JavaScript
# -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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# Version: MPL 1.1/GPL 2.0/LGPL 2.1
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#
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# The contents of this file are subject to the Mozilla Public License Version
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# 1.1 (the "License"); you may not use this file except in compliance with
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# the License. You may obtain a copy of the License at
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# http://www.mozilla.org/MPL/
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#
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# Software distributed under the License is distributed on an "AS IS" basis,
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# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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# for the specific language governing rights and limitations under the
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# License.
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#
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# The Original Code is the Firefox Preferences System.
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#
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# The Initial Developer of the Original Code is Ben Goodger.
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# Portions created by the Initial Developer are Copyright (C) 2005
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# the Initial Developer. All Rights Reserved.
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#
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# Contributor(s):
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# Gervase Markham <gerv@gerv.net> (Logic)
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# Ben Goodger <ben@mozilla.org>
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#
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# Alternatively, the contents of this file may be used under the terms of
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# either the GNU General Public License Version 2 or later (the "GPL"), or
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# the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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# in which case the provisions of the GPL or the LGPL are applicable instead
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# of those above. If you wish to allow use of your version of this file only
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# under the terms of either the GPL or the LGPL, and not to allow others to
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# use your version of this file under the terms of the MPL, indicate your
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# decision by deleting the provisions above and replace them with the notice
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# and other provisions required by the GPL or the LGPL. If you do not delete
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# the provisions above, a recipient may use your version of this file under
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# the terms of any one of the MPL, the GPL or the LGPL.
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#
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# ***** END LICENSE BLOCK *****
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var gFontScalingDialog = {
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init: function ()
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{
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sizeToContent();
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},
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onAccept: function ()
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{
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// Get value from the dialog to work out dpi
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var horizSize = parseFloat(document.getElementById("horizSize").value);
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var units = document.getElementById("units").value;
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if (!horizSize || horizSize < 0) {
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// We can't calculate anything without a proper value
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window.arguments[0].newdpi = -1;
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return true;
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}
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// Convert centimetres to inches.
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// The magic number is allowed because it's a fundamental constant :-)
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if (units == "centimetres")
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horizSize /= 2.54;
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// These shouldn't change, but you can't be too careful.
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var horizBarLengthPx = document.getElementById("horizRuler").boxObject.width;
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var horizDPI = parseInt(horizBarLengthPx) / horizSize;
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// Average the two <shrug>.
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window.arguments[0].newdpi = Math.round(horizDPI);
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dump("*** intergoat = " + window.arguments[0].toSource() + "\n");
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return true;
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}
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};
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