[boost] [GIL] Loading a PNG from a stream

From: Michael Marcin (mmarcin_at_[hidden])
Date: 2007-05-11 20:39:25

Hello,

I have the need to load a PNG from a generic input stream that has a similar 
interface (i.e. has a read, operator ! and fail with the same 
signature/semantics as std::istream).  The png reading extensions don't 
appear to be able to load from anything other than a FILE*.  In a library as 
modern as GIL I'm sort of suprised there is apparently no way to load from a 
generic stream.

Anyone have an idea how to make this happen?  Perhaps there is another PNG 
library written in C++ or a wrapper around the C libpng?

Thanks,

Michael Marcin