/// <summary>
/// Adds vertex to the graph and draws it on the canvas.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void CreateVertex(object sender, MouseButtonEventArgs e)
{
Point current = e.GetPosition((UIElement)sender);
double x = current.X;
double y = current.Y;
DrawingVisual visual = new DrawingVisual();
using (DrawingContext dc = visual.RenderOpen())
{
Vertex v = new Vertex(x, y, ++numberOfVertices);
foreach (Vertex vertex in graph.vertices)
{
if (v.GetDistance(vertex) <= 2 * Vertex.rad)
{
MessageBox.Show("Don't put vertices on top of each other", "",
MessageBoxButton.OK, MessageBoxImage.Warning);
return;
}
}
SolidColorBrush brush = new SolidColorBrush(Colors.ForestGreen);
SolidColorBrush contour = new SolidColorBrush(Colors.Black);
Pen pen = new Pen(contour, 2);
dc.DrawEllipse(brush, pen, current, 7, 7);
graph.vertices.Add(v);
if (numberOfVertices == 1)
{
graph.starting = v;
}
}
drawingCanvas.AddVisual(visual);
}
private void ResetVisualsBackground()
{
BackgroundIndLayer.ClearVisuals();
foreach (var ind in BackgroundIndicators)
BackgroundIndLayer.AddVisual(ind.IndicatorVisual);
ResetPricesTimes();
}
public void AddElement(HookElement el)
{
el.SetChart(Chart);
el.SetDeleteAction(DeleteElement);
el.Moving += MoveIndicator;
ForegroundIndicators.Add(el);
ForegroundIndLayer.AddVisual(el.IndicatorVisual);
if (el is Painting)
{
PricesCanvas.AddVisual(el.PriceVisual);
TimesCanvas.AddVisual(el.TimeVisual);
}
ResetHooks();
el.Rendering();
}
public TimeLineModule(View chart, DrawingCanvas GridLayer) : base(chart)
{
this.GridLayer = GridLayer;
Chart.FontBrushChanged += () => Redraw();
GridLayer.AddVisual(TimeGridVisual);
Chart.TimesLayer.AddVisual(TimesVisual);
}
private void ShowCursor(object sender, MouseEventArgs e)
{
Chart.CursorLinesLayer.AddVisual(CursorLinesVisual);
CursorLayer.AddVisual(CursorVisual);
MagnetLayer.AddVisual(MagnetVisual);
TimeLine.AddVisual(CursorTimeVisual);
PriceLine.AddVisual(CursorPriceVisual);
}
public PriceLineModule(View chart,
DrawingCanvas GridLayer, DrawingCanvas PriceLine,
PriceMarksModule PriceMarksModule) : base(chart)
{
this.GridLayer = GridLayer;
this.PriceLine = PriceLine;
this.PriceMarksModule = PriceMarksModule;
Chart.FontBrushChanged += () => Redraw();
GridLayer.AddVisual(PriceGridVisual);
PriceLine.AddVisual(PricesVisual);
}
/// <summary>
/// 在画板上绘制折线
/// </summary>
public void DrawingLinesOnCanvas()
{
canvas.ClearVisual();
for (int i = 0; i < BrokenLines.Count; ++i)
{
//每条线作为一个visual对象
DrawingVisual visual = new DrawingVisual();
DrawingLinesOnVisual(visual, BrokenLines[i], i);
canvas.AddVisual(visual);
}
}
public MarksLayer(DrawingCanvas MarksLayer, DrawingCanvas PriceLine, Action <MarksLayer> act)
{
ChartVisual = new DrawingVisual(); MarksLayer.AddVisual(ChartVisual);
PriceVisual = new DrawingVisual(); PriceLine.AddVisual(PriceVisual);
var lm = new ObservableCollection <PriceMark>();
Marks = lm; Act = null;
var x = this;
Act = () => act(x);
lm.CollectionChanged += (s, e) => act(x);
}
public PaintingModule(View chart, DrawingCanvas PrototypeCanvas, DrawingCanvas PrototPCanvas,
DrawingCanvas PrototTCanvas, Action <HookElement> AddElement) : base(chart)
{
this.PrototypeCanvas = PrototypeCanvas; PrototypeCanvas.AddVisual(PrototypeVisual);
this.PrototypePriceCanvas = PrototPCanvas; PrototPCanvas.AddVisual(PrototypePriceVisual);
this.PrototypeTimeCanvas = PrototTCanvas; PrototTCanvas.AddVisual(PrototypeTimeVisual);
this.AddElement = AddElement;
Chart.ChartGrid.MouseEnter += (s, e) =>
{
PrototypeCanvas.Visibility = Visibility.Visible;
PrototypePriceCanvas.Visibility = Visibility.Visible;
PrototypeTimeCanvas.Visibility = Visibility.Visible;
};
Chart.ChartGrid.MouseLeave += (s, e) =>
{
PrototypeCanvas.Visibility = Visibility.Hidden;
PrototypePriceCanvas.Visibility = Visibility.Hidden;
PrototypeTimeCanvas.Visibility = Visibility.Hidden;
};
Chart.Shell.PrepareInstrument += PrepareInstrument;
Chart.DrawPrototype = () => DrawPrototype?.Invoke(Chart,
PrototypeVisual, PrototypePriceVisual, PrototypeTimeVisual);
this.SetMenuAct = chart.Shell.SetMenu;
this.ResetInstrument = Chart.Shell.ResetInstrument;
Chart.PaintingLevel = PaintingLevel;
////////////////////
Task.Run(() =>
{
Dispatcher.Invoke(() =>
{
AddElement(new Level(208.99, Brushes.White, Brushes.Black, Brushes.Yellow, 5, 5, 2));
AddElement(new Level(206.95, Brushes.Black, Brushes.Azure, Brushes.Azure, 4, 6, 3));
AddElement(new Level(204.90, Brushes.Lime, Brushes.Black, Brushes.Lime, 3, 7, 4));
});
});
}
/// <summary>
/// 在画板上绘制折线
/// </summary>
private void DrawingLinesOnCanvas(DrawingCanvas drawingCanvas)
{
drawingCanvas.ClearVisual();
List <BrokenLine> newLines = new List <BrokenLine>();
foreach (var line in BrokenLines)
{
newLines.Add(line.DeepClone());
}
//获取拉伸过的曲线
GetStretchLines(newLines);
//遍历曲线
for (int i = 0; i < newLines.Count; ++i)
{
//每条线作为一个visual对象
DrawingVisual visual = new DrawingVisual();
DrawingLinesOnVisual(visual, newLines[i], i);
drawingCanvas.AddVisual(visual);
}
}
public Indicator(View Chart, bool Twin = false) : base(Chart)
{
this.Twin = Twin;
Grid.SetColumn(ScaleGrd, 2);
pixelsPerDip = VisualTreeHelper.GetDpi(ScaleVisual).PixelsPerDip;
IndicatorCanvasBase.AddVisual(IndicatorVisualBase);
GridCanvas.AddVisual(GridVisual);
ScaleCanvas.AddVisual(ScaleVisual);
BaseGrd.MouseEnter += (s, e) => Chart.Interaction = ShoWMenu;
BaseGrd.MouseLeave += (s, e) => { if (Chart.Interaction == ShoWMenu)
{
Chart.Interaction = null;
}
};
BaseGrd.MouseEnter += CursorShow;
BaseGrd.MouseLeave += CursorLeave;
BaseGrd.MouseMove += CursorRedraw;
BaseGrd.MouseEnter += (s, e) => Chart.SetMoving(s, e);
BaseGrd.MouseLeave += (s, e) => Chart.BreakMoving(s, e);
BaseGrd.SizeChanged += BaseGrd_SizeChanged;
BaseGrd.Children.Add(Selector);
BaseGrd.Children.Add(GridCanvas);
BaseGrd.ClipToBounds = true;
BaseGrd.Background = CursorGrabber;
BaseGrd.Cursor = Cursors.None;
{
var L2grd = new Grid();
{
var L3grd = new Grid
{
RenderTransformOrigin = new Point(1, 0.5),
RenderTransform = ScX
};
{
var L4grd = new Grid {
RenderTransformOrigin = new Point(0.5, 0.5)
};
{
var tgr = new TransformGroup();
{
tgr.Children.Add(new RotateTransform(180));
tgr.Children.Add(Translate);
tgr.Children.Add(ScY);
}
L4grd.RenderTransform = tgr;
L4grd.Children.Add(IndicatorCanvasBase);
}
L3grd.Children.Add(L4grd);
}
L2grd.Children.Add(L3grd);
}
BaseGrd.Children.Add(L2grd);
}
if (Twin)
{
IndicatorCanvasSecond = new DrawingCanvas();
IndicatorVisualSecond = new DrawingVisual();
IndicatorCanvasSecond.AddVisual(IndicatorVisualSecond);
BaseGrd.Children.Add(IndicatorCanvasSecond);
}
BaseGrd.Children.Add(CursorLayer);
ScaleGrd.ClipToBounds = true;
ScaleGrd.Background = CursorGrabber;
ScaleGrd.Children.Add(ScaleCanvas);
ScaleGrd.Children.Add(ValueMarkLayer);
CursorLinesTransform = (TranslateTransform)Chart.CursorLinesLayer.RenderTransform;
CursorLayer.RenderTransform = CursorTransform;
Chart.CandlesChanged += ac => Redraw();
Chart.AllHorizontalReset += HorizontalReset;
Chart.NewXScale += sc => Task.Run(() => Dispatcher.Invoke(() => ScaleX = sc));
Chart.NewXTrans += tr => Task.Run(() => Dispatcher.Invoke(() => Translate.X = tr));
if (Twin)
{
Chart.AllHorizontalReset += ac => SecondReset();
Chart.NewXScale += sc => SecondReset();
Chart.NewXTrans += sc => SecondReset();
}
Chart.NewFSF += fsf => RedrawScale();
}
private void AddTempLine(int index)
{
Dispatcher.Invoke(() =>
{
{
Grid grd = new Grid();
grd.ColumnDefinitions.Add(new ColumnDefinition {
Width = new GridLength(35)
});
grd.ColumnDefinitions.Add(new ColumnDefinition());
grd.ColumnDefinitions.Add(new ColumnDefinition {
Width = new GridLength(30)
});
{
Viewbox vb1 = new Viewbox {
Height = 20
};
Grid.SetColumn(vb1, 0);
{
Label l = new Label
{
ContentStringFormat = "0.00",
FontSize = 12,
FontWeight = FontWeights.Bold,
Foreground = Brushes.Lime
};
l.SetBinding(Label.ContentProperty, $"Hashrates[{index}]");
vb1.Child = l;
}
Viewbox vb2 = new Viewbox {
Height = 16, Stretch = Stretch.Fill
};
Grid.SetColumn(vb2, 1);
{
DrawingCanvas DC = new DrawingCanvas
{
Width = 100,
Height = 20
};
var DV = new DrawingVisual {
Effect = new BlurEffect {
Radius = 5
}
};
DC.AddVisual(DV);
DVs.Add(DV);
vb2.Child = DC;
}
Viewbox vb3 = new Viewbox {
Height = 20
};
Grid.SetColumn(vb3, 2);
{
Label l = new Label
{
ContentStringFormat = "0℃",
FontSize = 12,
FontWeight = FontWeights.Bold,
Foreground = Brushes.Yellow
};
l.SetBinding(Label.ContentProperty, $"Temperatures[{index}]");
vb3.Child = l;
}
grd.Children.Add(vb1);
grd.Children.Add(vb2);
grd.Children.Add(vb3);
}
DetaledTemperaturesControl.Items.Add(grd);
}
});
}
/// <summary>
/// Draws graph with doubled and split edges.
/// </summary>
/// <param name="graph"></param>
private void DrawGraph(Graph graph)
{
double x0 = modifiedGraph.ActualWidth / 2;
double y0 = modifiedGraph.ActualHeight / 2;
double rad = 100;
int n = graph.splitVertices.Count;
graph.drawn = true;
double[] x_coords = new double[n];
double[] y_coords = new double[n];
for (int i = 0; i < n; i++)
{
double cos = Math.Cos((i + 1) * 2 * Math.PI / n);
double sin = Math.Sin((i + 1) * 2 * Math.PI / n);
x_coords[i] = x0 + rad * cos;
y_coords[i] = y0 + rad * sin;
Point current = new Point(x_coords[i], y_coords[i]);
DrawingVisual visual = new DrawingVisual();
using (DrawingContext dc = visual.RenderOpen())
{
SolidColorBrush brush = new SolidColorBrush(Colors.ForestGreen);
SolidColorBrush contour = new SolidColorBrush(Colors.Black);
Pen pen = new Pen(contour, 2);
dc.DrawEllipse(brush, pen, current, 7, 7);
}
modifiedCanvas.AddVisual(visual);
}
for (int i = 0; i < n; i++)
{
for (int j = 0; j < n; j++)
{
if (graph.AreNeighboursInSplit(i, j))
{
Point p1 = new Point(x_coords[i], y_coords[i]);
Point p2 = new Point(x_coords[j], y_coords[j]);
List <Edge> edges = graph.GetEdgesInSplit(graph.splitVertices[i], graph.splitVertices[j]);
if (edges.Count == 1)
{
DrawingVisual visual = new DrawingVisual();
using (DrawingContext dc = visual.RenderOpen())
{
SolidColorBrush contour = new SolidColorBrush(Colors.Black);
Pen pen = new Pen(contour, 2);
dc.DrawLine(pen, p1, p2);
}
modifiedCanvas.AddVisual(visual);
DrawArrow(p1, p2);
}
else
{
ArcSegment as1 = new ArcSegment();
as1.Point = p2;
as1.Size = new Size(200, 300);
as1.SweepDirection = SweepDirection.Clockwise;
as1.IsLargeArc = false;
PathFigure figure1 = new PathFigure();
figure1.StartPoint = p1;
figure1.Segments.Add(as1);
PathGeometry geometry1 = new PathGeometry();
geometry1.Figures.Add(figure1);
System.Windows.Shapes.Path path1 = new System.Windows.Shapes.Path();
path1.Data = geometry1;
path1.Stroke = new SolidColorBrush(Colors.Black);
path1.StrokeThickness = 1;
modifiedGraph.Children.Add(path1);
ArcSegment as2 = new ArcSegment();
as2.Point = p2;
as2.Size = new Size(200, 300);
as2.SweepDirection = SweepDirection.Counterclockwise;
as2.IsLargeArc = false;
PathFigure figure2 = new PathFigure();
figure2.StartPoint = p1;
figure2.Segments.Add(as2);
PathGeometry geometry2 = new PathGeometry();
geometry1.Figures.Add(figure2);
System.Windows.Shapes.Path path2 = new System.Windows.Shapes.Path();
path2.Data = geometry2;
path2.Stroke = new SolidColorBrush(Colors.Black);
path2.StrokeThickness = 1;
modifiedGraph.Children.Add(path2);
}
}
}
}
}
