So I see samples all around on saving into file. But I wonder if it is possible to save into char* or string instead of file - so to say keep it in memory?
Boost::GIL How to save image as JPEG or PNG into char*?
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Boost.GIL v1.75: reading this docs at the section "Reading And Writing In-Memory Buffers" seems boost::gil::write_view(...) can also write into a memory buffer. Please see also this question
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There doesn't seem to be anything to facilitate this in boost itself. All I/O seems to be based on supplying filenames.
However, there seems to be an extension here called
io_newthat has streams based I/O.See documentation here for an example (search for "Reading And Writing In-Memory Buffers").