Re: [Boost-users] gil and OpenGL

Subject: Re: [Boost-users] gil and OpenGL
From: Christian Henning (chhenning_at_[hidden])
Date: 2010-01-10 13:36:04

Hi there, depending on the memory layout of you could just cast the
first channel of your first pixel into a byte pointer. BTW, what do
you mean by color information?

Regards,
Christian

On Sat, Jan 9, 2010 at 9:15 PM,  <mailinglist_at_[hidden]> wrote:
> This is my first post in any mailinglist ever so i hope i am doing this
> right.
>
>
>
> I successfully integrated the boost::gil module into my code to load some
> images and process their content so that I can display it as a texture in
> OpenGL.
>
>
>
> My problem right now is the massive performance issue in retrieving the
> color information from the loaded image.
>
> I am looping through every row and column and retrieve the red, green, blue
> and alpha color with the get_color method and push those values to a char
> array.
>
>
>
> So I was wondering what the best approach would be to get the color
> information from the gil image into OpenGL or at least a char array.
>
>
>
> Thanks in advance.
>
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