css transform, jagged edges in chrome

google-chrome css transform antialiasing
dtech picture dtech · Jun 27, 2011 · Viewed 119.6k times · Source

I've been using CSS3 transform to rotate images and textboxes with borders in my website.

The problem is that the border look jagged in Chrome, like a (low-resolution) game without Anti-Aliasing. In IE, Opera and FF it looks much better because AA is used (which is still clearly visible but not that bad). I can't test Safari because I don't own a Mac.

The rotated photo and text itself look fine, it is only the border that looks jagged.

The CSS I use is this:

.rotate2deg {
    transform: rotate(2deg);
    -ms-transform: rotate(2deg); /* IE 9 */
    -webkit-transform: rotate(2deg); /* Safari and Chrome */
    -o-transform: rotate(2deg); /* Opera */
    -moz-transform: rotate(2deg); /* Firefox */
}

Is there any way I can fix this, e.g. by forcing Chrome to use AA?

Example below:

Jagged Edges example

Answer

Neven picture Neven · Aug 1, 2011

In case anyone's searching for this later on, a nice trick to get rid of those jagged edges on CSS transformations in Chrome is to add the CSS property -webkit-backface-visibility with a value of hidden. In my own tests, this has completely smoothed them out. Hope that helps.

-webkit-backface-visibility: hidden;

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