In order to save disk space and memory, at a cost of some CPU time,
this makes sure that all downloaded images are not bigger than the
device can support. A nice side effect of this process is that EXIF
information is stripped from JPEG files since they are read into a
Bitmap, then written out as a PNG. This should complete the JPEG EXIF
stripping started in 2a3aaacf2347679f30e2c8feffb92f25bb882c8b with
considerExifParams(false)
!653
cb5923e03b