[Goodies-dev] Advise on SVG/Pixmap

[Bruno Jesus XFCE]

On 8/28/06, Álvaro Lopes <alvieboy at alvie.com> wrote:
> I know, I'm kinda boring with all these questions.
>
> I need to have a visual indicator of current modem status for my applet (not ppp, just network registration - it's for cellular modems), which must display if
> it is registered to the network or if it is not, and if a PIN is needed to start the registration process. I tought about creating a simple pixmap similar to a
> LED (either green, red, or yellow, flashing or not flashing) to show the actual status (besides the progress bar). What I am not sure is if its best to make a
> SVG one so that it can be resized according to panel size.

I think it's easier to use Pixmaps files because they can be easily
resized with the function :

static GdkPixbuf *
load_and_scale(const guint8 *data, int dstw, int dsth)
{
  int pb_w, pb_h;
  GdkPixbuf *pb, *pb_scaled;

  pb = gdk_pixbuf_new_from_inline(-1, data, FALSE, NULL);
  pb_w = gdk_pixbuf_get_width(pb);
  pb_h = gdk_pixbuf_get_height(pb);

  if (dstw == pb_w && dsth == pb_h)
	return(pb);
  else if (dstw < 0)
	dstw = (dsth * pb_w) / pb_h;
  else if (dsth < 0)
	dsth = (dstw * pb_h) / pb_w;

  pb_scaled = gdk_pixbuf_scale_simple(pb, dstw, dsth, GDK_INTERP_HYPER);
  g_object_unref(G_OBJECT(pb));

  return(pb_scaled);

}

Where "data" is the pixmap and dstw is the width and dsth is the
height. The function returns a new resized pixmap.

> Also in my TODO list is support to start/stop ppp connection on this modem, so I would want another indicator for the current PPP status (started/stopped) and
> to click on it to start/stop PPP connection. Again, better use a pixmap or a SVG?
>
> The LED idea came from my other applet application (for WMaker) called wmnetmon ( http://freshmeat.net/projects/wmnetmon/ ).
>
> Álvaro
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