User:Opencooper/imageRatio.js
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 | Documentation for this user script can be added at User:Opencooper/imageRatio. |
// Show an upload's aspect ratio in the file history
function getRatio() {
// If we're not reading an article, do nothing
if (!(mw.config.get("wgAction") === "view"
&& mw.config.get("wgIsArticle")
&& mw.config.get("wgPageName") !== "Main_Page")) {
return;
}
$(".filehistory td:nth-child(4)").each(function() {
var content = $(this).html();
var dimensions = content.match(/([0-9,]+) × ([0-9,]+)/);
if (dimensions) {
var width = parseInt(dimensions[1].replace(/,/, ""));
var height = parseInt(dimensions[2].replace(/,/, ""));
var ratio = (width / height).toFixed(2);
$(this).html(content + " [" + ratio + "]");
} else {
return false;
}
});
}
getRatio();