Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > comp.lang.c > #144979

Re: OT: libpng docs

Show all headers | View raw

In comp.lang.c, Scott <nobody@example.org> wrote:
> On 14 Jun 2019 20:46:34 GMT, Jorgen Grahn <grahn+nntp@snipabacken.se> wrote:
>> On Fri, 2019-06-14, Scott wrote:
>>> Any of you who have worked with libpng, were you able to find a better
>>> source of documentation than the abstruse wall of text that is the
>>> official manual?
>> No.  I think I used that, and the header file.  On the other hand, I
>> didn't look further.
> That's where I'm at as well. I'll likely end up rummaging around in
> the sources to answer some questions too. Thanks for posting though,
> if I do find something better I'll share it here.

When you posted that, last week, I hadn't done anything with libpng.
Since then I've implemented some code to generate png files. I found

http://zarb.org/~gc/html/libpng.html

which has a sample program that reads a (RGBA) png, modifies it on a
pixel by pixel basis, and then writes a new one out. It was very helpful
to see that and then be able to check against the wall-of-text manpage.

I'm not likely to be doing any reading of them, but I did want to write
more than just RGBA and now I can.

Elijah
------
RGBA, RGB, GA, G in multiple bit depths

Back to comp.lang.c | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

OT: libpng docs nobody@example.org (Scott) - 2019-06-14 15:25 +0000
  Re: OT: libpng docs Jorgen Grahn <grahn+nntp@snipabacken.se> - 2019-06-14 20:46 +0000
    Re: OT: libpng docs nobody@example.org (Scott) - 2019-06-16 02:01 +0000
      Re: OT: libpng docs Eli the Bearded <*@eli.users.panix.com> - 2019-06-19 06:26 +0000
        Re: OT: libpng docs nobody@example.org (Scott) - 2019-06-19 16:04 +0000
          Re: OT: libpng docs Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2019-06-19 09:16 -0700
            Re: OT: libpng docs Jorgen Grahn <grahn+nntp@snipabacken.se> - 2019-06-19 20:42 +0000
              Re: OT: libpng docs My nuts hurt <cdalten@gmail.com> - 2019-06-20 06:55 -0700
              Re: OT: libpng docs Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2019-06-20 07:46 -0700

csiph-web