Re: GTK+-2.2.2 gc behavior

[Owen Taylor <otaylor redhat com>]

On Tue, 2003-06-24 at 22:50, George M. Gallant wrote:
> Owen,
> 
>     I use the gdk_set_line_attributes() to set the line thickness and 
> end style.

Yes, exactly. You can't do that to style->black_gc. It's not your
GC to modify.
					Owen


> Owen Taylor wrote:
> 
> >On Tue, 2003-06-24 at 19:44, George M. Gallant wrote:
> >  
> >
> >>I am observing an odd behavior when using the widget->style->black_gc 
> >>and either rulers or scrollbars. The line thickness of the rulers and the
> >>arrow heads of the scrollbars seem to follow the line thickness of my
> >>drawing area. I am performing a zoom in/out on a drawing by first 
> >>writting to a pixmap then coping the portion desired to a drawing area.
> >>As this is my first real GTK program, I am open to any and all feedback.
> >>
> >>    
> >>
> >
> >Sounds like you are modifying widget->style->black_gc, which is not
> >a good idea [*]. If you need a modified GC, you should create your own.
> >
> >Regards,
> > 						Owen
> >
> >[*] The one thing that you can generally do is set the clip region
> >    for one of the style GC's, then set it back to empty after you
> >    are done.