DockySurface CreateUrgentGlowBuffer ()
{
// FIXME: create gconf value
Gdk.Color gdkColor = Style.Backgrounds [(int) StateType.Selected].SetMinimumValue (90);
Cairo.Color color = new Cairo.Color ((double) gdkColor.Red / ushort.MaxValue,
(double) gdkColor.Green / ushort.MaxValue,
(double) gdkColor.Blue / ushort.MaxValue,
1.0);
color = color.AddHue (DockServices.Theme.UrgentHueShift).SetSaturation (1);
int size = (int) 2.5 * IconSize;
DockySurface surface = new DockySurface (size, size, background_buffer);
surface.Clear ();
Cairo.Context cr = surface.Context;
double x = size / 2;
double y = x;
cr.MoveTo (x, y);
cr.Arc (x, y, size / 2, 0, Math.PI * 2);
RadialGradient rg = new RadialGradient (x, y, 0, x, y, size / 2);
rg.AddColorStop (0, new Cairo.Color (1, 1, 1, 1));
rg.AddColorStop (.33, color.SetAlpha (.66));
rg.AddColorStop (.66, color.SetAlpha (.33));
rg.AddColorStop (1.0, color.SetAlpha (0.0));
cr.Pattern = rg;
cr.Fill ();
rg.Destroy ();
return surface;
}
DockySurface CreateWaitBuffer ()
{
DockySurface surface = new DockySurface (IconSize, IconSize, background_buffer);
surface.Clear ();
surface.Context.Color = new Cairo.Color (0, 0, 0, 0);
surface.Context.Operator = Operator.Source;
surface.Context.PaintWithAlpha (0.5);
double baseLog = Math.Log (WaitArmsPerGroup + 1);
int size = Math.Min (surface.Width, surface.Height);
// Ensure that LineWidth is a multiple of 2 for nice drawing
surface.Context.LineWidth = (int) Math.Max (1, size / 40.0);
surface.Context.LineCap = LineCap.Round;
surface.Context.Translate (surface.Width / 2, surface.Height / 2);
if (surface.Context.LineWidth % 2 == 1)
surface.Context.Translate (.5, .5);
Gdk.Color color = Style.Backgrounds [(int) Gtk.StateType.Selected].SetMinimumValue (100);
Cairo.Color baseColor = new Cairo.Color ((double) color.Red / ushort.MaxValue,
(double) color.Green / ushort.MaxValue,
(double) color.Blue / ushort.MaxValue,
1);
for (int i = 0; i < WaitArmsPerGroup * WaitGroups; i++) {
int position = 1 + (i % WaitArmsPerGroup);
surface.Context.Color = baseColor.SetAlpha (1 - Math.Log (position) / baseLog);
surface.Context.MoveTo (0, size / 8);
surface.Context.LineTo (0, size / 4);
surface.Context.Rotate (-2 * Math.PI / (WaitArmsPerGroup * WaitGroups));
surface.Context.Stroke ();
}
return surface;
}