E Developers,

We develop a piece of software for internal use that depends on imlib2.
Our users do not interact directly with the software; they provide
source images, we process them, and we output a number of altered
destination images.  For example, one operation we perform is creating a
smaller copy of a high-resolution PNG saved as a JPEG.

We're running into a problem where certain input generates what our
users call "blurry" output.  What we think is happening is that the JPEG
compression level is set to a low value, causing JPEG compression
artifacts.  These can be seen easily at 4x magnification; "blocks" of
the picture create a stairstep effect, especially where text and
background colors merge.

In the past we'd been using imlib2 version 1.2.0 (ancient, yes, we
know).  We attempted an upgrade to 1.4.2 but apparently it is only
compatible with x64 (not i386, our target platform), so we settled on
1.4.1 for now.  Our question for you folks is, how do we select the JPEG
compression level for output images?  We've re-read the public API in
Imlib2.h and don't see anything relevant.  Would someone be kind enough
to enlighten us?

Thanks,
Mike Mohr
LinuxCertified, Inc



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