public override void Draw(RectangleF rect)
{
base.Draw(rect);
using (var context = UIGraphics.GetCurrentContext()) {
UIBezierPath mainAxis = UIBezierPath.FromRoundedRect(new RectangleF(xAxisMargin, 0.0f, 2.0f, rect.Height), 2.0f);
UIColor.FromRGB(203, 203, 203).SetFill();
mainAxis.Fill();
float sepInterval = Convert.ToSingle(Math.Floor((rect.Width - xAxisMargin - xTextMargin) / 5));
for (int i = 1; i < 6; i++)
{
var separatorAxis = new UIBezierPath();
separatorAxis.MoveTo(new PointF(xAxisMargin + sepInterval * i, 0));
separatorAxis.AddLineTo(new PointF(xAxisMargin + sepInterval * i, rect.Height - yAxisMargin));
UIColor.FromRGB(203, 203, 203).SetStroke();
separatorAxis.LineWidth = 1.0f;
separatorAxis.SetLineDash(new [] { 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 PointF(0.5f, 0.0f);
textLayer.AlignmentMode = CATextLayer.AlignmentCenter;
textLayer.BackgroundColor = UIColor.Clear.CGColor;
textLayer.ForegroundColor = LabelColor.CGColor;
SizeF size = ((NSString)"0000 h").StringSize(LabelFont);
textLayer.String = "00 h";
textLayer.Bounds = new RectangleF(0, 0, size.Width, size.Height);
textLayer.Position = new PointF(xAxisMargin + sepInterval * i, rect.Height - yAxisMargin + 5.0f);
Layer.AddSublayer(textLayer);
xAxisText [i - 1] = textLayer;
}
}
}
private SliceLayer createSliceLayer()
{
var pieLayer = new SliceLayer();
pieLayer.Frame = _pieView.Frame;
var arcLayer = new CAShapeLayer();
arcLayer.ZPosition = 0;
arcLayer.StrokeColor = null;
pieLayer.AddSublayer(arcLayer);
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, 0.5f);
textLayer.AlignmentMode = CATextLayer.AlignmentCenter;
textLayer.BackgroundColor = UIColor.Clear.CGColor;
textLayer.ForegroundColor = LabelColor.CGColor;
if (LabelShadowColor != null)
{
textLayer.ShadowColor = LabelShadowColor.CGColor;
textLayer.ShadowOffset = CGSize.Empty;
textLayer.ShadowOpacity = 1.0f;
textLayer.ShadowRadius = 2.0f;
}
CGSize size = ((NSString)"0").StringSize(LabelFont);
textLayer.Frame = new CGRect(new CGPoint(0, 0), size);
textLayer.Position = new CGPoint(_pieCenter.X + LabelRadius * (nfloat)Math.Cos(0), _pieCenter.Y + LabelRadius * (nfloat)Math.Sin(0));
pieLayer.AddSublayer(textLayer);
layerPool.Add(pieLayer);
return(pieLayer);
}
private BarLayer CreateBarLayer(float barHeight)
{
var barLayer = new BarLayer()
{
ZPosition = 0,
BorderColor = UIColor.White.CGColor,
AnchorPoint = new PointF(0.0f, 0.5f),
Frame = new RectangleF(0, 0, Bounds.Width, barHeight)
};
var mainBar = new CALayer();
mainBar.AnchorPoint = new PointF(0.0f, 0.0f);
mainBar.Bounds = new RectangleF(0, 0, Bounds.Width - xAxisMargin - xTextMargin, barHeight);
mainBar.Position = new PointF(xAxisMargin, 0);
mainBar.BackgroundColor = MainBarColor.CGColor;
mainBar.SetValueForKeyPath(new NSNumber(minBarScale), new NSString("transform.scale.x"));
barLayer.AddSublayer(mainBar);
var secondaryBar = new CALayer();
secondaryBar.AnchorPoint = new PointF(0.0f, 0.0f);
secondaryBar.Bounds = new RectangleF(0, 0, Bounds.Width - xAxisMargin - xTextMargin, barHeight);
secondaryBar.Position = new PointF(xAxisMargin, 0);
secondaryBar.BackgroundColor = SecondaryBarColor.CGColor;
secondaryBar.SetValueForKeyPath(new NSNumber(minBarScale), new NSString("transform.scale.x"));
barLayer.AddSublayer(secondaryBar);
var emptyBar = new CALayer();
emptyBar.AnchorPoint = new PointF(0.0f, 0.0f);
emptyBar.Bounds = new RectangleF(0, 0, 2.0f, barHeight);
emptyBar.Position = new PointF(xAxisMargin, 0);
emptyBar.BackgroundColor = UIColor.Gray.CGColor;
barLayer.AddSublayer(emptyBar);
CGFont font = CGFont.CreateWithFontName(LabelFont.Name);
SizeF size = ((NSString)"00.00:00").StringSize(LabelFont);
var textLayer = new CATextLayer()
{
ContentsScale = UIScreen.MainScreen.Scale,
FontSize = 10.0f,
AnchorPoint = new PointF(0.0f, 0.5f),
AlignmentMode = CATextLayer.AlignmentLeft,
BackgroundColor = UIColor.Clear.CGColor,
ForegroundColor = LabelColor.CGColor
};
barLayer.AddSublayer(textLayer);
var timeTextLayer = new CATextLayer()
{
ContentsScale = UIScreen.MainScreen.Scale,
FontSize = 10.0f,
AnchorPoint = new PointF(0.0f, 0.5f),
AlignmentMode = CATextLayer.AlignmentLeft,
BackgroundColor = UIColor.Clear.CGColor,
ForegroundColor = SecondaryBarColor.CGColor
};
barLayer.AddSublayer(timeTextLayer);
if (font != null)
{
textLayer.SetFont(font);
timeTextLayer.SetFont(font);
font.Dispose();
}
CATransaction.DisableActions = true;
textLayer.Bounds = new RectangleF(new PointF(0, 0), size);
textLayer.Position = mainBar.Position;
timeTextLayer.Bounds = new RectangleF(new PointF(0, 0), size);
timeTextLayer.Position = new PointF(mainBar.Position.X + 5.0f, mainBar.Position.Y);
CATransaction.DisableActions = false;
return(barLayer);
}
