Bug: Strange aspect ratios appear when previewing photos taken with some special devices

[a523]

Description and expectations

• On some pictures that taken by specific devices, like this :

• preview got:

• cause: The original image doesn't have the correct orientation, but most image viewing software will automatically correct it, our imagemagick will too, the problem is that when we calculate the target height and width, it is based on the original image before rotation.

• Fix Calculate target size, should be based on rotated size

How to reproduce

as above

Version information

• Version: [0.28]
• Device / System: [e.g. Debian Buster]

Diagnostic

Prerequisites

I'm going to fix it by a pr.

[a523]

Now the got ：

[inkhey]

fixed by #294