Re: Interpolation In Gnome Canvas

[Joaquín Cuenca Abela <cuenca pacaterie u-psud fr>]

Any reason to use the gnome canvas instead of just displaying the
GdkPixbuf directly?

Cheers,

On Tue, 2002-10-22 at 12:25, Rahul Torvi wrote:
> Hi,
>
>    I am deveoping an image viewer application using gtk and gnome.
>    I am developing it on Redhat 7.3 and am using KDE 2.1.
>
>    I am using Gnome Canvas in anti-aliased mode. I have used libtiff
> funtions to load the tiff images and then create
>    GdkPixBuf objects from the raw data. I insert the pixbuf into the Canvas
> as a GnomeCanvasPixbuf item.
>    The images are being displayed but are not very clear.
>
>    After  analysing the Eye Of Gnome application i have come to the
> conclusion that the problem
>    is interpolation. My reading tells me that the gnome canvas by default
> uses INTERP_NEAREST
>    interpolation type while rendering an image.
>    If i am correct
>       Is there some method by which I can provide atleast BILINEAR interpolation
> support
>          to my canvas ?
>          Else is there any alternative to get clarity in the images that are
> being loaded?
>    If I am wrong
>          Please tell me what I have to do to include BILINEAR support in the
> canvas ?
>
>  I have even posted this query in the gtk-app devlopers list, but have
> recieved no response!!
>  This is a request to all gtk/gnome gurus to help me out.
>
> Hoping for a positive response.
>
> thanks and regards,
> Rahul
>
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-- 
Joaquín Cuenca Abela
cuenca pacaterie u-psud fr