public CrossfadeIcon(Gdk.Pixbuf primary, Gdk.Pixbuf secondary)
{
if (primary == null)
{
throw new ArgumentNullException("primary");
}
if (secondary == null)
{
throw new ArgumentNullException("secondary");
}
this.primary = (Gdk.Pixbuf)primary.Clone();
this.secondary = (Gdk.Pixbuf)secondary.Clone();
}
protected unsafe void RecreateSymbolStateImages()
{
foreach (StateType st in Enum.GetValues(typeof(StateType)))
{
if (mSymbolStates.ContainsKey(st))
{
mSymbolStates[st].Dispose();
mSymbolStates.Remove(st);
}
if (mSymbol != null)
{
Gdk.Color fore_color = this.Style.Foreground(st);
Gdk.Pixbuf buf = (Gdk.Pixbuf)mSymbol.Clone();
int h = buf.Height;
int w = buf.Width;
int stride = buf.Rowstride;
int chan = buf.NChannels;
byte *cur_row = (byte *)buf.Pixels;
for (int j = 0; j < h; j++)
{
byte *cur_pixel = cur_row;
for (int i = 0; i < w; i++)
{
byte r = (byte)(fore_color.Red / 256);
byte g = (byte)(fore_color.Green / 256);
byte b = (byte)(fore_color.Blue / 256);
byte a = cur_pixel[3];
cur_pixel[0] = r;
cur_pixel[1] = g;
cur_pixel[2] = b;
cur_pixel[3] = a;
cur_pixel += chan;
}
cur_row += stride;
}
mSymbolStates.Add(st, buf);
}
}
}
