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

Subject: Re: [Boost-users] [GIL] Change layout type of a pixel...
From: Christian Henning (chhenning_at_[hidden])
Date: 2009-12-16 10:34:29

I see. Do you still have problems then? For the hsl color space, we
probably should have it for double ( hsl64f_pixel_t ), as well, I
suppose.

Christian

On Wed, Dec 16, 2009 at 4:24 AM, Eloi Du Bois <eloi.du.bois_at_[hidden]> wrote:
> 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.
>> >
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