public static Gdk.Pixbuf DesaturateIcon(Gdk.Pixbuf source)
{
Gdk.Pixbuf dest = new Gdk.Pixbuf(source.Colorspace, source.HasAlpha, source.BitsPerSample, source.Width, source.Height);
dest.Fill(0);
source.SaturateAndPixelate(dest, 0, false);
return(dest);
}
/// <summary>
/// This creates a new gray scale pixbuf. Note that this pixbuf needs to be disposed.
/// </summary>
/// <param name="icon">
/// A <see cref="Gdk.Pixbuf"/>.
/// </param>
/// <returns>
/// A <see cref="Gdk.Pixbuf"/> gray scale version of "icon".
/// </returns>
public static Gdk.Pixbuf MakeGrayscale(Gdk.Pixbuf icon)
{
Gdk.Pixbuf copy = icon.Copy();
copy.SaturateAndPixelate(copy, 0, false);
var icon2x = Get2xIconVariant(icon);
if (icon2x != null)
{
Set2xIconVariant(copy, MakeGrayscale(icon2x));
}
return(copy);
}
/// <summary>
/// This creates a new gray scale pixbuf. Note that this pixbuf needs to be disposed.
/// </summary>
/// <param name="icon">
/// A <see cref="Gdk.Pixbuf"/>.
/// </param>
/// <returns>
/// A <see cref="Gdk.Pixbuf"/> gray scale version of "icon".
/// </returns>
public static Gdk.Pixbuf MakeGrayscale(Gdk.Pixbuf icon)
{
Gdk.Pixbuf copy = icon.Copy();
copy.SaturateAndPixelate(copy, 0, false);
return(copy);
}
public void UpdateTab()
{
if (Child != null)
{
Widget w = Child;
Remove(w);
w.Destroy();
}
mainBox = new Alignment(0, 0, 1, 1);
if (bar.Orientation == Gtk.Orientation.Horizontal)
{
box = new HBox();
if (bar.AlignToEnd)
{
mainBox.SetPadding(3, 3, 11, 9);
}
else
{
mainBox.SetPadding(3, 3, 9, 11);
}
}
else
{
box = new VBox();
if (bar.AlignToEnd)
{
mainBox.SetPadding(11, 9, 3, 3);
}
else
{
mainBox.SetPadding(9, 11, 3, 3);
}
}
Gtk.Widget customLabel = null;
if (it.DockLabelProvider != null)
{
customLabel = it.DockLabelProvider.CreateLabel(bar.Orientation);
}
if (customLabel != null)
{
customLabel.ShowAll();
box.PackStart(customLabel, true, true, 0);
}
else
{
if (it.Icon != null)
{
Gdk.Pixbuf desat = it.Icon.Copy();
desat.SaturateAndPixelate(desat, 0.5f, false);
crossfade = new CrossfadeIcon(desat, it.Icon);
box.PackStart(crossfade, false, false, 0);
desat.Dispose();
}
if (!string.IsNullOrEmpty(it.Title))
{
label = new Gtk.Label(it.Title);
label.UseMarkup = true;
if (bar.Orientation == Gtk.Orientation.Vertical)
{
label.Angle = 270;
}
box.PackStart(label, true, true, 0);
}
else
{
label = null;
}
}
box.Spacing = 2;
mainBox.Add(box);
mainBox.ShowAll();
Add(mainBox);
QueueDraw();
}
