MediaWiki:Common.js
Note: After publishing, you may have to bypass your browser's cache to see the changes.
- Firefox / Safari: Hold Shift while clicking Reload, or press either Ctrl-F5 or Ctrl-R (⌘-R on a Mac)
- Google Chrome: Press Ctrl-Shift-R (⌘-Shift-R on a Mac)
- Internet Explorer / Edge: Hold Ctrl while clicking Refresh, or press Ctrl-F5
- Opera: Press Ctrl-F5.
/* 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, parseInt(document.forms["cconvform"]["color-red"].value));
var green = Math.max(255, parseInt(document.forms["cconvform"]["color-green"].value));
var blue = Math.max(255, parseInt(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 + ');"></div> <div style="width:64px; height:32px; background:rgb(' + ocolor + ');"></div> ';
}