public void AddItem(string identifier, string title)
{
var layer = new CATextLayer();
layer.String = title;
layer.SetFont("SF UI Text Bold");
layer.FontSize = 12;
layer.ForegroundColor = NSColor.FromRgb(80, 80, 80).CGColor;
layer.ContentsScale = NSScreen.MainScreen.BackingScaleFactor;
var attrs = new NSStringAttributes();
attrs.Font = NSFont.FromFontName("SF UI Text Bold", 12);
var stringSize = NSStringDrawing.StringSize(layer.String, attrs);
var frame = new CGRect(new CGPoint(0, 0), stringSize);
layer.Frame = frame;
layer.AnchorPoint = new CGPoint(0, 0.5f);
items.Add(new BreadcrumbViewItem {
Identifier = identifier,
Title = title,
Layer = layer
});
Layer.AddSublayer(layer);
NeedsDisplay = true;
}
public void MainQueueDispatch()
{
#if !DEBUG || OPTIMIZEALL
Assert.Ignore("UIKitThreadAccessException is not throw, by default, on release builds (removed by the linker)");
#endif
if (RunningOnSnowLeopard)
{
Assert.Ignore("this test crash when executed with the iOS simulator on Snow Leopard");
}
bool hit = false;
// We need to check the UIKitThreadAccessException, but there are very few API
// with that check on WatchOS. NSStringDrawing.WeakDrawString is one example, here we pass
// it null for the parameter so that it immediately returns with an ArgumentNullException
// instead of trying to load an image (which is not what we're testing). There
// is also a test to ensure UIKitThreadAccessException is thrown if not on
// the UI thread (so that we'll notice if the UIKitThreadAccessException is ever
// removed from NSStringDrawing.WeakDrawString).
var uiThread = Thread.CurrentThread;
Thread queueThread = null;
Thread mainQthread = null;
Exception ex = null;
Exception queue_ex = null;
var defaultQ = DispatchQueue.GetGlobalQueue(DispatchQueuePriority.Default);
defaultQ.DispatchAsync(delegate {
try {
NSStringDrawing.WeakDrawString(null, PointF.Empty, null);
} catch (Exception e) {
queue_ex = e;
}
queueThread = Thread.CurrentThread;
var mainQ = DispatchQueue.MainQueue;
mainQ.DispatchAsync(delegate {
mainQthread = Thread.CurrentThread;
try {
NSStringDrawing.WeakDrawString(null, PointF.Empty, null);
} catch (Exception e) {
ex = e;
} finally {
hit = true;
}
});
});
// Now wait for the above to actually run
while (hit == false)
{
NSRunLoop.Current.RunUntil(NSDate.FromTimeIntervalSinceNow(0.5));
}
Assert.IsNotNull(ex, "main ex");
Assert.That(ex.GetType(), Is.SameAs(typeof(ArgumentNullException)), "no thread check hit");
Assert.IsNotNull(queue_ex, "queue ex");
Assert.That(queue_ex.GetType(), Is.SameAs(typeof(UIKitThreadAccessException)), "thread check hit");
Assert.That(uiThread, Is.EqualTo(mainQthread), "mainq thread is equal to uithread");
Assert.That(queueThread, Is.Not.EqualTo(mainQthread), "queueThread is not the same as the UI thread");
}
//-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
public override void Draw(CGRect rect)
{
DateTime t1 = DateTime.Now;
base.Draw(rect);
var context = UIGraphics.GetCurrentContext();
var path = new CGPath();
CGPoint [] pointsBuff;
CGPoint [] points;
float width = (float)Frame.Size.Width - leftBorder - rightBorder;
float height = (float)Frame.Size.Height - downBorder;
//X-Y axis
points = new CGPoint [9];
points [0] = new CGPoint(leftBorder - 3, 3);
points [1] = new CGPoint(leftBorder, 0);
points [2] = new CGPoint(leftBorder + 3, 3);
points [3] = new CGPoint(leftBorder, 0);
points [4] = new CGPoint(leftBorder, height + 2);
points [5] = new CGPoint(leftBorder + width + rightBorder / 2, height + 2);
points [6] = new CGPoint(leftBorder + width + rightBorder / 2 - 3, height + 2 - 3);
points [7] = new CGPoint(leftBorder + width + rightBorder / 2, height + 2);
points [8] = new CGPoint(leftBorder + width + rightBorder / 2 - 3, height + 2 + 3);
path.AddLines(points);
context.AddPath(path);
context.SetLineWidth(1);;
context.SetStrokeColor(new CGColor(0, 0, 0, 1));
context.DrawPath(CGPathDrawingMode.Stroke);
NSStringDrawing.DrawString(new NSString(timeStart.ToString("HH:mm")), new CGPoint(leftBorder, height + 5), new UIStringAttributes()
{
ForegroundColor = UIColor.Black, Font = UIFont.SystemFontOfSize(12)
});
NSStringDrawing.DrawString(new NSString(timeStart.ToString("dd.MM.yy")), new CGPoint(leftBorder, height + 17), new UIStringAttributes()
{
ForegroundColor = UIColor.Black, Font = UIFont.SystemFontOfSize(7)
});
NSStringDrawing.DrawString(new NSString(timeEnd.ToString("HH:mm")), new CGPoint(leftBorder + width - 25, height + 5), new UIStringAttributes()
{
ForegroundColor = UIColor.Black, Font = UIFont.SystemFontOfSize(12)
});
NSStringDrawing.DrawString(new NSString(timeEnd.ToString("dd.MM.yy")), new CGPoint(leftBorder + width - 25, height + 17), new UIStringAttributes()
{
ForegroundColor = UIColor.Black, Font = UIFont.SystemFontOfSize(7)
});
if ((historyList == null) || (historyList.Count == 0))
{
return;
}
context.SetStrokeColor(UIColor.LightGray.CGColor);
context.SetLineWidth(2);
float period = (float)(timeEnd - timeStart).Ticks;
double minValue = initialMinValue;
double maxValue = initialMaxValue;
for (int s = 0; s < historyList.Count; s++)
{
if (historyList [s].value < minValue)
{
minValue = historyList [s].value;
}
if (historyList [s].value > maxValue)
{
maxValue = historyList [s].value;
}
}
initialMinValue = minValue;
initialMaxValue = maxValue;
double valueRange = maxValue - minValue;
path = new CGPath();
pointsBuff = new CGPoint [(int)width];
//double lastX = 0;
int pointX = 0;
for (int s = 0; s < historyList.Count; s++)
{
if ((historyList[s].time < timeStart) || (historyList[s].time > timeEnd))
{
continue;
}
double X = leftBorder + (double)(historyList [s].time - timeStart).Ticks / period * width;
double Y = height + 2 - ((historyList [s].value - minValue) / valueRange * height);
/*if ((Math.Abs (lastX - X) < 1))
* continue;
*
* lastX = X;*/
if (pointX == (int)width)
{
break;
}
pointsBuff [pointX] = new CGPoint(X, Y);
pointX++;
//Console.WriteLine (points [s].ToString ());
}
points = new CGPoint[pointX];
Array.Copy(pointsBuff, points, pointX);
path.AddLines(points);
context.AddPath(path);
context.DrawPath(CGPathDrawingMode.Stroke);
//X axis agendaa
DateTime quartDate = timeStart + new TimeSpan(((timeEnd - timeStart).Ticks / 4));
DateTime mediumDate = timeStart + new TimeSpan(((timeEnd - timeStart).Ticks / 2));
DateTime threeQuartDate = timeStart + new TimeSpan(((timeEnd - timeStart).Ticks * 3 / 4));
NSStringDrawing.DrawString(new NSString(quartDate.ToString("HH:mm")), new CGPoint(leftBorder + width / 4 - 15, height + 5), new UIStringAttributes()
{
ForegroundColor = UIColor.Black, Font = UIFont.SystemFontOfSize(12)
});
NSStringDrawing.DrawString(new NSString(quartDate.ToString("dd.MM.yy")), new CGPoint(leftBorder + width / 4 - 15, height + 17), new UIStringAttributes()
{
ForegroundColor = UIColor.Black, Font = UIFont.SystemFontOfSize(7)
});
NSStringDrawing.DrawString(new NSString(mediumDate.ToString("HH:mm")), new CGPoint(leftBorder + width / 2 - 15, height + 5), new UIStringAttributes()
{
ForegroundColor = UIColor.Black, Font = UIFont.SystemFontOfSize(12)
});
NSStringDrawing.DrawString(new NSString(mediumDate.ToString("dd.MM.yy")), new CGPoint(leftBorder + width / 2 - 15, height + 17), new UIStringAttributes()
{
ForegroundColor = UIColor.Black, Font = UIFont.SystemFontOfSize(7)
});
NSStringDrawing.DrawString(new NSString(threeQuartDate.ToString("HH:mm")), new CGPoint(leftBorder + width * 3 / 4 - 15, height + 5), new UIStringAttributes()
{
ForegroundColor = UIColor.Black, Font = UIFont.SystemFontOfSize(12)
});
NSStringDrawing.DrawString(new NSString(threeQuartDate.ToString("dd.MM.yy")), new CGPoint(leftBorder + width * 3 / 4 - 15, height + 17), new UIStringAttributes()
{
ForegroundColor = UIColor.Black, Font = UIFont.SystemFontOfSize(7)
});
path = new CGPath();
points = new CGPoint [2];
points [0] = new CGPoint(leftBorder + width / 4, height + 2 - 3);
points [1] = new CGPoint(leftBorder + width / 4, height + 2 + 3);
path.AddLines(points);
points [0] = new CGPoint(leftBorder + width / 2, height + 2 - 3);
points [1] = new CGPoint(leftBorder + width / 2, height + 2 + 3);
path.AddLines(points);
points [0] = new CGPoint(leftBorder + width * 3 / 4, height + 2 - 3);
points [1] = new CGPoint(leftBorder + width * 3 / 4, height + 2 + 3);
path.AddLines(points);
context.AddPath(path);
context.SetLineWidth(1);;
context.SetStrokeColor(new CGColor(0, 0, 0, 1));
context.DrawPath(CGPathDrawingMode.Stroke);
//Y axis agenda
double quartValue = minValue + ((maxValue - minValue) / 4);
double mediumValue = minValue + ((maxValue - minValue) / 2);
double threeQuartValue = minValue + ((maxValue - minValue) * 3 / 4);
NSMutableParagraphStyle paragraphStyle = new NSMutableParagraphStyle();
paragraphStyle.Alignment = UITextAlignment.Right;
NSStringDrawing.DrawString(new NSString(minValue.ToString("F1")), new CGRect(2, height - 12, leftBorder - 6, 12), new UIStringAttributes()
{
ForegroundColor = UIColor.Black, Font = UIFont.SystemFontOfSize(11), ParagraphStyle = paragraphStyle
});
NSStringDrawing.DrawString(new NSString(quartValue.ToString("F1")), new CGRect(2, height - 6 - height / 4, leftBorder - 6, 12), new UIStringAttributes()
{
ForegroundColor = UIColor.Black, Font = UIFont.SystemFontOfSize(11), ParagraphStyle = paragraphStyle
});
NSStringDrawing.DrawString(new NSString(mediumValue.ToString("F1")), new CGRect(2, height - 6 - height / 2, leftBorder - 6, 12), new UIStringAttributes()
{
ForegroundColor = UIColor.Black, Font = UIFont.SystemFontOfSize(11), ParagraphStyle = paragraphStyle
});
NSStringDrawing.DrawString(new NSString(threeQuartValue.ToString("F1")), new CGRect(2, height - 6 - height * 3 / 4, leftBorder - 6, 12), new UIStringAttributes()
{
ForegroundColor = UIColor.Black, Font = UIFont.SystemFontOfSize(11), ParagraphStyle = paragraphStyle
});
NSStringDrawing.DrawString(new NSString(maxValue.ToString("F1")), new CGRect(2, 0, leftBorder - 6, 12), new UIStringAttributes()
{
ForegroundColor = UIColor.Black, Font = UIFont.SystemFontOfSize(11), ParagraphStyle = paragraphStyle
});
points = new CGPoint [2];
points [0] = new CGPoint(leftBorder - 3, height + 2 - height / 4);
points [1] = new CGPoint(leftBorder + 3, height + 2 - height / 4);
path.AddLines(points);
points [0] = new CGPoint(leftBorder - 3, height + 2 - height / 2);
points [1] = new CGPoint(leftBorder + 3, height + 2 - height / 2);
path.AddLines(points);
points [0] = new CGPoint(leftBorder - 3, height + 2 - height * 3 / 4);
points [1] = new CGPoint(leftBorder + 3, height + 2 - height * 3 / 4);
path.AddLines(points);
context.AddPath(path);
context.DrawPath(CGPathDrawingMode.Stroke);
Console.WriteLine("Redraw in " + (DateTime.Now - t1).TotalMilliseconds + " ms.");
}
