mozilla-b2g/gaia — pull request #18084 by azasypkin (2014-04-08 15:38:24+00:00)
Title: Bug 946497 - [B2G][SMS][MMS] Thumbnail previews for cropped images in MMS message appear stretched causing not all of the image to be visible.

The problem is that 'height/width' can be very different from 'canvas.width/canvas.height'