PNG I/O
=======

.. doxygenfunction:: huira::read_image_png(const fs::path&, bool)

.. doxygenfunction:: huira::read_image_png(const unsigned char*, std::size_t, bool)



.. doxygenfunction:: huira::read_image_png_mono(const fs::path&, bool)

.. doxygenfunction:: huira::read_image_png_mono(const unsigned char*, std::size_t, bool)



.. doxygenfunction:: huira::write_image_png(const fs::path&, const Image<RGB>&, int)

.. doxygenfunction:: huira::write_image_png(const fs::path&, const Image<RGB>&, const Image<float>&, int)

.. doxygenfunction:: huira::write_image_png(const fs::path&, const Image<float>&, int)

.. doxygenfunction:: huira::write_image_png(const fs::path&, const Image<float>&, const Image<float>&, int)