[pngpp-devel] Png stream size

[Robert Carroll]

Hello,

I want to write a png file to a memory buffer using 
png::image::write(std::ostream& stream) and 
boost::iostreams::stream<boost::iostreams::array_sink> to make stream adapter 
to the array. I'm wondering if there's a way to know how large of a buffer to 
allocate in advance, or if there's a better way to write to an array rather 
than straight to a file?

Thanks,
Rob