Michael Torrie <[EMAIL PROTECTED]> writes:
> I'm writing a simple app that works on a 1-bpp X display. I know gtk
> isn't really designed to look good on 1-bpp, but it works well enough
> for what I need. The problem is that if I render either a GdkRGB image
> or GdkPixbuf image to a window (drawable), the image gets dithered
> properly, but it's inverted. The lights are dark and vice versa. Is
> this a "bug" in gtk or is it a problem with the X server (besides being
> 1-bpp ;)? I could simply invert all the colors when I put them in the
> buffer, but then it wouldn't look good on a normal 24-bpp display.
>
> I'm using gtk+-2 (as shipped on redhat 8) and displaying on a
> Sparcstation ELC. I don't use any gui elements at this stage; only the
> GtkDrawable in a window.
>
> Any ideas? Thanks so much.
Looks like a GTK+ bug. With a brief glance it looks like
gdk/gdkrgb.c:gdk_rgb_convert_1() assumes that 1 == white,
0 == black, but if I'm not mistaken, 1bpp displays can be
either way in X.
File a bug :-) /usr/share/doc/gtk2-VERSION/README has
instructions.
Regards,
Owen
_______________________________________________
gtk-list mailing list
[EMAIL PROTECTED]
http://mail.gnome.org/mailman/listinfo/gtk-list
