public Task Redraw()
{
return(Task.Run(() =>
{
if (Chart.ChHeight == 0)
{
return;
}
PricesDelta = (Chart.ChHeight / Chart.CurrentScale.Y);
PricesMin = LastMin - (LastY - Chart.CurrentTranslate.Y) + (LastDelta - PricesDelta) / 2;
var pixelsPerDip = VisualTreeHelper.GetDpi(PricesVisual).PixelsPerDip;
double count = Math.Floor((Chart.ChHeight / (Chart.BaseFontSize * 6)));
if (count == 0)
{
return;
}
var step = (PricesDelta * Chart.TickSize) / count;
double n = 1;
int d = 0;
while (step > 10)
{
step /= 10;
n *= 10;
}
while (step < 1)
{
step *= 10;
n /= 10;
d += 1;
}
if (step > 5)
{
step = 5 * n;
}
else if (step > 4)
{
step = 4 * n;
}
else if (step > 2.5)
{
step = 2.5 * n; d += 1;
}
else if (step > 2)
{
step = 2 * n;
}
else if (step > 1)
{
step = 1 * n;
}
double maxP;
if (PricesMin < 0 && (PricesMin + PricesDelta) < Math.Abs(PricesMin) * 10)
{
maxP = Math.Abs(PricesMin) * 10 * Chart.TickSize;
}
else
{
maxP = (PricesMin + PricesDelta) * Chart.TickSize;
}
var raz = 1;
while (maxP > 10)
{
maxP /= 10;
raz *= 10;
}
Fsf = Chart.TickPriceFormat;
if (raz > 10)
{
for (int i = Convert.ToInt32(Math.Log10(raz)); i > 0; i--)
{
Fsf = "0" + Fsf;
}
}
var fsfFT = new FormattedText
(
Fsf,
CultureInfo.CurrentCulture,
FlowDirection.LeftToRight,
Chart.FontNumeric,
Chart.BaseFontSize,
Chart.FontBrush,
pixelsPerDip
);
var price = Math.Round(step * Math.Ceiling((PricesMin * Chart.TickSize) / step), d);
var coordiate = Chart.PriceToHeight(price);
var pricesToDraw = new List <(FormattedText price, Point coor,
Point A, Point B, Point G, Point H)>();
do
{
var ft = new FormattedText
(
price.ToString(Chart.TickPriceFormat),
CultureInfo.CurrentCulture,
FlowDirection.LeftToRight,
Chart.FontNumeric,
Chart.BaseFontSize,
Chart.FontBrush,
pixelsPerDip
);
var Y = coordiate - ft.Height / 2;
pricesToDraw.Add((ft, new Point(Chart.PriceShift, Y),
new Point(0, coordiate), new Point(3, coordiate),
new Point(0, coordiate), new Point(4096, coordiate)));
price = Math.Round(price + step, d);
coordiate = Chart.PriceToHeight(price);
}while (coordiate > 0);
PriceLineWidth = fsfFT.Width + Chart.PriceShift + 4;
ScaleWidthChanged.Invoke(PriceLineWidth, Fsf);
Dispatcher.Invoke(() =>
{
using var pvc = PricesVisual.RenderOpen();
using var pgvc = PriceGridVisual.RenderOpen();
foreach (var pr in pricesToDraw)
{
pvc.DrawText(pr.price, pr.coor);
pvc.DrawLine(Chart.LinesPen, pr.A, pr.B);
pgvc.DrawLine(Chart.LinesPen, pr.G, pr.H);
}
});
PriceMarksModule.Redraw();
VerticalСhanges?.Invoke();
}));
}
} //конструктор для intellisense
public View(ChartWindow Window, ChartShell Shell)
{
this.Window = Window;
this.Shell = Shell;
InitializeComponent();
this.Shell.ToggleClipTime += b => Clipped = b;
this.PreviewMouseDown += (s, e) => this.Shell.ChartGotFocus(this);
this.MouseEnter += (s, e) => this.Shell.InstrumentsHandler = this;
this.MouseLeave += (s, e) =>
{
if (this.Shell.InstrumentsHandler == this)
{
this.Shell.InstrumentsHandler = null;
}
};
this.ShowSettings += this.Shell.ShowSettings;
PriceMarksModule = new PriceMarksModule(this, LevelsLayer, PaintingMarksLayer);
PriceLineModule = new PriceLineModule(this, GridLayerHorizontal, PricesLayer, PriceMarksModule);
PriceLineModule.VerticalСhanges += () => VerticalСhanges.Invoke();
PriceLineModule.ScaleWidthChanged += (w, fsf) =>
{
Dispatcher.Invoke(() =>
{
PriceLineCD.Width = new GridLength(w);
PriceLineCD2.Width = new GridLength(w);
});
NewFSF?.Invoke(fsf);
};
TimeLineModule = new TimeLineModule(this, GridLayerVertical);
TimeLineModule.HorizontalСhanges += () => HorizontalСhanges.Invoke();
CursorModule = new CursorModule(this, CursorLayer, MagnetLayer, CursorTimeMarkLayer, CursorPriceMarkLayer);
CandlesModule = new CandlesModule(this, CandlesLayer, PriceLineModule, TimeLineModule,
Translate, ScaleX, ScaleY, TimeLine, PriceLine,
new Vector(ScaleX.ScaleX, ScaleY.ScaleY));
CandlesModule.CandlesChanged += ac => CandlesChanged?.Invoke(ac);
CandlesModule.AllHorizontalReset += cc => AllHorizontalReset?.Invoke(cc);
CandlesModule.NewXScale += sc => NewXScale?.Invoke(sc);
CandlesModule.NewXTrans += tr => NewXTrans?.Invoke(tr);
BottomIndicatorManger = new BottomIndicatorsManger(this, IndicatorsGrid, IndicatorsRowRD, IndicatorsSplitterRD);
CenterIndicatorManger = new CenterIndicatorManger(this, BackgroundIndLayer,
ForegroundIndLayer, PaintingMarksLayer, PaintingTimeLayer);
PaintingModule = new PaintingModule(this, PrototypeLayer, PrototypePriceLayer,
PrototypeTimeLayer, CenterIndicatorManger.AddElement);
this.Shell.ClearPrototypes += PaintingModule.ClearPrototype;
HooksModule = new HooksModule(this, HooksLayer, HookPriceLayer, HookTimeLayer,
() => CursorModule.LinesPen, CenterIndicatorManger,
new List <FrameworkElement>
{
SubLayers,
PaintingMarksLayer,
BackgroundIndLayer,
ForegroundIndLayer
});
ChartGrid.PreviewMouseRightButtonDown += (s, e) =>
{
var items = HooksModule.ShowContextMenu(s, e);
if (items == null)
{
items = (new List <(string Name, Action Act)>()
{
("Test 1", () => { Debug.WriteLine("Test 1"); }),
("+++", null),
("Test 2", () => { Debug.WriteLine("Test 2"); }),
("+++", null),
("Test 3", () => { Debug.WriteLine("Test 3"); })
},
null, null);
}
this.Shell.ShowContextMenu(items.Value);
};
CandlesModule.WheelScalled += () => CursorModule.Redraw(CursorPosition.Current);
var DC = DataContext as ViewModel;
DC.PropertyChanged += DC_PropertyChanged;
DC.Inicialize();
SetsDefinition();
}