Re: problem with gdk_pixbuf_xlib library

[anita setty <anita_sc_2000 yahoo com>]

Hi,

Yes, I need to use gdk_pixbuf_xlib, we are developing
a product in which we are using XLib and OGL for
graphics. I can not change the X drawable to GDK
drawable as it will result in lot of code changes and
will affect other subsystems. So I thought of using
the gdk_pixbuf_xlib library to get the image from X
drawable and save it in pixbuf
What I have to implement is snapshot. We show real
time images on the screen and at some point user may
want to save the snapshot. Later when he reloads, he
should be able to resize the window which should
rescale the image to new window size
Since I did not find any rescaling functionality
supported by X library, I thought of using these
libraries.
What do you think I should do?
How can I link the libgdk_pixbuf_xlib-2.0 ?

Regards,
anita

--- Sven Neumann <sven gimp org> wrote:
> Hi,
> 
> anita setty <anita_sc_2000 yahoo com> writes:
> 
> > I need to use gdk_pixbuf_xlib_get_from_drawable()
> > function to get the image from X drawable and
> store in
> > pixbuf, so that i can later resize and rescale the
> > image.
> > To use gdk_pixbuf_xlib, I think we need to first
> > initialise with gdk_pixbuf_xlib_init() function
> 
> are you sure you need to use gdk_pixbuf_xlib
> functions?
> 
> libgdk_pixbuf_xlib-2.0 is an extra library that is
> not linked in by
> default. You only need it if you want to use
> GdkPixbuf functionality
> in an application that uses XLib and shouldn't use
> it in a GTK+
> program. Just stay with the GDK abstraction and keep
> away from using
> XLib directly. Consider using
> gdk_pixbuf_get_from_drawable() to get
> the pixbuf from a GDK drawable.
> 
> 
> Salut, Sven
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