Re: [Boost-users] [gil] bad_cast exception

Subject: Re: [Boost-users] [gil] bad_cast exception
From: Olivier Tournaire (olitour_at_[hidden])
Date: 2009-01-27 15:31:40

2009/1/27 Christian Henning <chhenning_at_[hidden]>

> Hi Oliver,

Hi Christian,

>
> I don't get it to compile even when you put the nth_channel_view call
> inside jpeg_write_view for a simple reason. nth_channel_view needs the
> reference type of your any_image. But that's not possible since no one
> knows what image type the any_image actually is. You can cast your
> any_image to a specific image type using gil's variant::_dynamic_cast
> member. Then you can use nth_channel_view.
>
> Are you sure your code compiles? Let me know if you keep having troubles.

Yes, my code compiles fine with boost 1.36. In attachement, maybe you could
try.

Regards,
Olivier

>
>
> Regards,
> Christian
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-- 
Olivier Tournaire
MATIS - Institut Géographique National
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94165 St Mandé cedex, France
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