From: "Orlin Grigorov" <ogrigorov@gmail.com>
To: "Jacques Garrigue" <garrigue@math.nagoya-u.ac.jp>
Cc: caml-list@yquem.inria.fr
Subject: Re: [Caml-list] saving/loading Raw to/from file
Date: Tue, 16 Oct 2007 19:00:51 -0400 [thread overview]
Message-ID: <b17e12b30710161600p4ff67e0bw40b0fb7d0b9e3f3f@mail.gmail.com> (raw)
In-Reply-To: <20071016.062840.255394361.garrigue@math.nagoya-u.ac.jp>
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The last worked like a charm! Thanks a lot to all of you for the great
help!!!!
Orlin
On 10/15/07, Jacques Garrigue <garrigue@math.nagoya-u.ac.jp> wrote:
>
> From: "Orlin Grigorov" <ogrigorov@gmail.com>
>
> > With "GlPix.to_raw image" I can make the it raw, if that will help.
> >
> > The question is, I really need a way to save this "image" in a file, and
> be
> > able to recreate it.
>
> Once it is raw, you can read it with
> Raw.gets_string raw ~pos:0 ~len:(Raw.byte_size raw)
>
> You can read it back in the same way:
> let raw = Raw.create `ubyte ~len:(w*h*4) in
> Raw.sets_string raw ~pos:0 ~len:(w*h*4) s;
> GlPix.of_raw raw ~format:`rgba ~width:w ~height:h
>
> This should be efficient enough.
> Once you get a string, you know how to do the I/O.
>
> Jacques Garrigue
>
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prev parent reply other threads:[~2007-10-16 23:00 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-15 18:54 Orlin Grigorov
2007-10-15 19:03 ` [Caml-list] " Adrien
2007-10-15 21:27 ` Christophe Raffalli
2007-10-15 21:28 ` Jacques Garrigue
2007-10-16 23:00 ` Orlin Grigorov [this message]
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