public void DrawTimeBar(CairoContextEx gr, double x, double y, double percentage)
{
double width = 0.04, height = 0.6;
const double w = 0.003, h = 0.003;
gr.DrawTextCentered(x + (width / 2), y + height + 0.05, Translations.GetString("Time left"));
gr.Stroke();
gr.Save();
gr.SetSourceColor(new Color(0, 0, 0));
gr.MoveTo(x, y);
gr.LineTo(x, y + height);
gr.LineTo(x + width, y + height);
gr.LineTo(x + width, y);
gr.LineTo(x, y);
gr.Stroke();
x += w;
y += h;
width -= w * 2;
height -= h * 2;
y += height * (100 - percentage) / 100;
height *= percentage / 100;
if (gradient == null)
{
gradient = new LinearGradient(x, y, x + width, y + height);
gradient.AddColorStop(0, new Color(1, 0, 0, 1));
gradient.AddColorStop(1, new Color(0.2, 0, 0, 1));
}
gr.SetSource(gradient);
gr.MoveTo(x, y);
gr.LineTo(x, y + height);
gr.LineTo(x + width, y + height);
gr.LineTo(x + width, y);
gr.LineTo(x, y);
gr.FillPreserve();
gr.Stroke();
gr.Restore();
}