public override void Draw (CGRect rect)
{
base.Draw (rect);
using (var context = UIGraphics.GetCurrentContext ()) {
UIBezierPath mainAxis = UIBezierPath.FromRoundedRect ( new CGRect (xAxisMargin, 0.0f, 2.0f, rect.Height), 2.0f);
UIColor.FromRGB ( 203, 203, 203).SetFill();
mainAxis.Fill();
nfloat sepInterval = (nfloat)Math.Floor ((rect.Width - xAxisMargin - xTextMargin)/ 5);
for (int i = 1; i < 6; i++) {
var separatorAxis = new UIBezierPath();
separatorAxis.MoveTo (new CGPoint (xAxisMargin + sepInterval * i, 0));
separatorAxis.AddLineTo (new CGPoint ( xAxisMargin + sepInterval * i, rect.Height - yAxisMargin));
UIColor.FromRGB ( 203, 203, 203).SetStroke();
separatorAxis.LineWidth = 1.0f;
separatorAxis.SetLineDash ( new nfloat[] {1.0f,1.0f}, 1);
separatorAxis.Stroke ();
var textLayer = new CATextLayer ();
textLayer.ContentsScale = UIScreen.MainScreen.Scale;
CGFont font = CGFont.CreateWithFontName (LabelFont.Name);
if (font != null) {
textLayer.SetFont (font);
font.Dispose ();
}
textLayer.FontSize = LabelFont.PointSize;
textLayer.AnchorPoint = new CGPoint ( 0.5f, 0.0f);
textLayer.AlignmentMode = CATextLayer.AlignmentCenter;
textLayer.BackgroundColor = UIColor.Clear.CGColor;
textLayer.ForegroundColor = LabelColor.CGColor;
CGSize size = ((NSString)"0000 h").StringSize (LabelFont);
textLayer.String = "00 h";
textLayer.Bounds = new CGRect (0, 0, size.Width, size.Height);
textLayer.Position = new CGPoint ( xAxisMargin + sepInterval * i, rect.Height - yAxisMargin + 5.0f);
Layer.AddSublayer (textLayer);
xAxisText [i - 1] = textLayer;
}
}
}