Re: libspng: a modern libpng alternative

Hi Randy,

I need to know that can I convert my mng image with
colospace RGB
channel depth R : 4 bit,  G : 4 bit, B : 4 bit  to
4 bit grayscale mng image using libmng library.

Thanks
Aditi Gupta

On Sep 12, 2018 19:29, "Randy via png-mng-implement" <
png-mng-implement-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org> wrote:

> libspng(https://libspng.org) is a C library for reading and writing
> Portable Network Graphics (PNG) format files with a focus on security and
> ease of use.
>
> It is written from scratch in C99 as an alternative to libpng, it does not
> share
> any code. It is faster at decoding than libpng when compiled with
> profile-guided optimizations.
>
> Currently in alpha, it can decode any PNG image to 8/16-bit RGBA, it
> supports
> gamma correction and the equivalent of png_set_tRNS_to_alpha(). Encoding
> and
> "PNG editor" support is planned.
>
> Feedback is welcome.
>
>
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