MediaWiki:Common.js
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/* Any JavaScript here will be loaded for all users on every page load. */
// NeoGeo Color converter
(function () {
var cconvdiv = document.getElementById('color-converter');
if (cconvdiv != null) {
cconvdiv.innerHTML = '<form name="cconvform" action="">' +
'Red:<input type="text" maxlength="3" size="4" id="color-red"><br>' +
'Green:<input type="text" maxlength="3" size="4" id="color-green"><br>' +
'Blue:<input type="text" maxlength="3" size="4" id="color-blue"><br>' +
'<input type="button" value="Convert" onClick="cconv();"></form>';
}
var mguessdiv = document.getElementById('mirror-guesser');
if (mguessdiv != null) {
mguessdiv.innerHTML = '<form name="mguessform" action="">' +
'Address (hex):<input type="text" maxlength="6" size="6" id="address">' +
'<input type="button" value="Guess" onClick="mguess();"></form>';
}
}());
function mguess(frm) {
var address = document.forms["mguessform"]["address"].value;
var text = 'Bad';
if ((address & 0xFE0001) == 0x300000) text = 'Ok';
document.getElementById('mguessresult').innerHTML = text;
}
function cconv(frm) {
var red = Math.min(255, document.forms["cconvform"]["color-red"].value);
var green = Math.min(255, document.forms["cconvform"]["color-green"].value);
var blue = Math.min(255, document.forms["cconvform"]["color-blue"].value);
var icolor = red + "," + green + "," + blue;
var luma = Math.floor((54.213*red) + (182.376*green) + (18.411*blue)) & 1;
red = Math.floor(red / 8);
green = Math.floor(green / 8);
blue = Math.floor(blue / 8);
var ocolor = (((red<<1)+luma)<<2) + "," + (((green<<1)+luma)<<2) + "," + (((blue<<1)+luma)<<2);
var hex = (((luma^1)<<15)|((red&1)<<14)|((green&1)<<13)|((blue&1)<<12)|((red&0x1E)<<7)|((green&0x1E)<<3)|(blue>>1)).toString(16).toUpperCase();
while (hex.length < 4) {
hex = "0" + hex;
}
document.getElementById('cconvresult').innerHTML = '$' + hex + ' In: <div style="width:64px; height:32px; background:rgb(' + icolor + ');"></div> Out:<div style="width:64px; height:32px; background:rgb(' + ocolor + ');"></div> ';
}