Re: Newbie help: How to put a .png icon in a toolbar button ??

["Alfredo P. Ricafort" <alpot mylinuxsite com>]

Hi,

Let my reply to my own post.  

Changing the alpha_threshold to its highest value seems to do job.

AL

On Thu, 2002-12-12 at 15:32, Alfredo P. Ricafort wrote:
> Hi,
> 
> I need some advice here as I'm terribly new to GTK+ programming(Gtk+
> 1.2).
> 
> I am trying to create toolbar buttons with .png icons.  From what I had
> read, you need to use the Gdkpixbuf to do this, so I coded my program
> like this:
> 
>     pixbuf=gdk_pixbuf_new_from_file(filename);
>     gdk_pixbuf_render_pixmap_and_mask(pixbuf, &icon, &mask,0); 
>     iconw = gtk_pixmap_new(icon,mask);
> 
>     gtk_toolbar_append_item(GTK_TOOLBAR(tb),NULL,
>                             tooltips,
>                             NULL,iconw,
>                             callback,
>                             callback_data);
> 
> My problem with this program is that the images are coming out
> horribly.  The background of the image will be blackened.  If I were to
> adjust the alpha_threshold to a higher number (instead of 0), the
> background will come out fine(i.e. the same as the background color of
> the button), but the edges would not be smooth. 
> 
> I there a way to improve this ? I'm sure it is not caused by the .png
> because it is being used by other programs and it comes out fine.
> 
> Tks.
> 
> AL
> 
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-- 
Alfredo P. Ricafort <alpot mylinuxsite com>
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