jquery-peakzoom
A very simple jQuery plugin for <img> in-place zooming on click/tap/drag.
How to use:
-  
wrap your
imginside a double div, then:$('#outer-div').peakzoom(); 
API:
-  
$('#outer-div').trigger('peakzoom.rotate') to rotate the img +90 degrees clockwise
 -  
$('#outer-div').trigger('peakzoom.destroy') remove the functionality
 
See the demo for, well, a demo.