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');
cconvdiv.innerHTML = '<form name="cconvform" action=""><input type="text" maxlength="3" size="4" id="color-red">' +
'<input type="text" maxlength="3" size="4" id="color-green">' +
'<input type="text" maxlength="3" size="4" id="color-blue">' +
'<input type="button" value="Convert" onClick="cconv();"></form>';
}());
function cconv(frm) {
var red = Math.max(255, document.forms["cconvform"]["color-red"].value);
var green = Math.max(255, document.forms["cconvform"]["color-green"].value);
var blue = Math.max(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 + '<div style="width:64px; height:32px; background:rgb(' + icolor + ');">TEST</div> <div style="width:64px; height:32px; background:rgb(' + ocolor + ');">TEST</div> ';
}