Image rebuilt look blur use stream base on Image rotated from landscape to Portrait

This is also posted at http://ift.tt/1rV1JRK .

The blurriness is probably related to changing the size of the bitmap rather than the rotation.

You can control how the bitmap pixels are interpolated by setting the BitmapEncoder's BitmapTransform property. This will allow setting both the Rotation and the InterpolationMode. By default the BitmapEncoder will choose an InterpolationMode which emphasizes performance over quality, but if your need is for quality rather than performance you can choose a different one.