You use a combination of CSS’s transform
(with vendor prefixes as necessary) and transform-origin
, like this: (also on jsFiddle)
var angle = 0,
img = document.getElementById('container');
document.getElementById('button').onclick = function() {
angle = (angle + 90) % 360;
img.className = "rotate" + angle;
}
#container {
width: 820px;
height: 100px;
overflow: hidden;
}
#container.rotate90,
#container.rotate270 {
width: 100px;
height: 820px
}
#image {
transform-origin: top left;
/* IE 10+, Firefox, etc. */
-webkit-transform-origin: top left;
/* Chrome */
-ms-transform-origin: top left;
/* IE 9 */
}
#container.rotate90 #image {
transform: rotate(90deg) translateY(-100%);
-webkit-transform: rotate(90deg) translateY(-100%);
-ms-transform: rotate(90deg) translateY(-100%);
}
#container.rotate180 #image {
transform: rotate(180deg) translate(-100%, -100%);
-webkit-transform: rotate(180deg) translate(-100%, -100%);
-ms-transform: rotate(180deg) translateX(-100%, -100%);
}
#container.rotate270 #image {
transform: rotate(270deg) translateX(-100%);
-webkit-transform: rotate(270deg) translateX(-100%);
-ms-transform: rotate(270deg) translateX(-100%);
}
<button id="button">Click me!</button>
<div id="container">
<img src="http://i.stack.imgur.com/zbLrE.png" id="image" />
</div>