Re: [Boost-users] [GIL] Change layout type of a pixel...

Subject: Re: [Boost-users] [GIL] Change layout type of a pixel...
From: Eloi Du Bois (eloi.du.bois_at_[hidden])
Date: 2009-12-16 04:24:22

Thank you, you are totally right for hsl :). I didn't saw that...
I found how to do what I need for other cases:

typedef pixel<typename channel_type< Pixel >::type, rgb_layout_t >
rgb_pixel_t;

2009/12/15 Christian Henning <chhenning_at_[hidden]>

> Hi Eloi,
>
> for homogeneous pixel types ( like rgb8_pixel_t ) or packed_pixel
> types there is no bits member. Can you describe what you want in more
> detail? Also hsl pixel is only defined for 32f ( hsl32f_pixel_t ).
>
> Regards,
> Christian
>
> On Tue, Dec 15, 2009 at 11:01 AM, Eloi Du Bois <eloi.du.bois_at_[hidden]>
> wrote:
> > Hi all,
> >
> > I would like to know how to change the layout of a given pixel type.
> > For example, I would like to do something like:
> >
> > // Pixel = rgb16_pixel_t for example.
> > template<class Pixel>
> > void foo(Pixel & A) {
> >     typedef typename pixel<hsl_t, Pixel::bits>::type hsl_pixel_t;
> >     hsl_pixel_t a;
> >     color_convert(A, a);
> > }
> >
> >
> > Thank you by advance,
> > Eloi.
> >
> > _______________________________________________
> > Boost-users mailing list
> > Boost-users_at_[hidden]
> > http://lists.boost.org/mailman/listinfo.cgi/boost-users
> >
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