public void Render(IHasData data)
{
if (data is IHasVolumeData volume)
{
var volumeData = volume.GetData();
if (volumeData.DataSources != null && volumeData.DataSources.Any())
{
var volumeItems = volumeData.DataSources;
var visuals = new List <Visual>();
for (int i = 0; i <= volumeData.VisualRangeEndIndex - volumeData.VisualRangeStartIndex; i++)
{
var volumeItem = volumeItems[i + volumeData.VisualRangeStartIndex];
var visual = new DrawingVisual();
using (var context = visual.RenderOpen())
{
var LeftBottomPoint = new Point
{
X = i * (volumeData.DataWidth + volumeData.DataMargin * 2) + volumeData.Margin.Left + volumeData.DataMargin,
Y = volumeData.ActualHeight - volumeData.Margin.Bottom
};
var LeftTopPoint = new Point
{
X = LeftBottomPoint.X,
Y = volumeData.ActualHeight - Convert.ToDouble(volumeItem.Volume) * volumeData.YAxisCoordinateAndPixelProportion * 0.96 - volumeData.Margin.Bottom
};
var RightTopPoint = new Point
{
X = LeftBottomPoint.X + volumeData.DataWidth,
Y = LeftTopPoint.Y
};
var RightBottomPoint = new Point
{
X = RightTopPoint.X,
Y = LeftBottomPoint.Y
};
var brush = volumeItem.Open < volumeItem.Close ? volumeData.RiseBrush : volumeData.FallBrush;
context.DrawRectangle(brush, null, new Rect(LeftBottomPoint, RightTopPoint));
visuals.Add(visual);
}
}
volumeData.UpdateVisuals(nameof(VolumeRenderer), visuals);
}
else
{
volumeData.UpdateVisual(nameof(VolumeRenderer), null);
}
}
}
public void Render(IHasData data)
{
if (data is IHasAxisLineData axisData)
{
var axis = axisData.GetData();
var visual = new DrawingVisual();
using (var context = visual.RenderOpen())
{
var pen = new Pen {
Brush = axis.AxisBrush
};
//画X轴
var axisXStartPoint = new Point {
X = axis.Margin.Left, Y = axis.ActualHeight - axis.Margin.Bottom
};
var axisXEndPoint = new Point {
X = axis.ActualWidth - axis.Margin.Right, Y = axis.ActualHeight - axis.Margin.Bottom
};
context.DrawLine(pen, axisXStartPoint, axisXEndPoint);
//画Y轴
var axisYStartPoint = new Point {
X = axis.ActualWidth - axis.Margin.Right, Y = 0
};
var axisYEndPoint = new Point {
X = axis.ActualWidth - axis.Margin.Right, Y = axis.ActualHeight - axis.Margin.Bottom
};
context.DrawLine(pen, axisYStartPoint, axisYEndPoint);
var proportion = 1 / axis.YAxisCoordinateCount;
var linePen = new Pen {
Brush = axis.ReferenceLineBrush
};
for (int i = 0; i < axis.YAxisCoordinateCount; i++)
{
//坐标点的位置
//获取当前Y刻度位置是从可视区域底部开始开始向上画
//以Y轴最高值和Y轴最低值之间的差值乘以刻度比例再加上底部补偿值
var currentYPoint = (axis.YAxisCoordinateCount - i - 1) * proportion * axis.YAxisActualHeight + axis.Margin.Bottom;
var pointStart = new Point {
X = axis.ActualWidth - axis.Margin.Right, Y = currentYPoint
};
var pointEnd = new Point {
X = pointStart.X + 10, Y = currentYPoint
};
//参考线的位置
var linePointStart = new Point {
X = axis.Margin.Left, Y = currentYPoint
};
context.DrawLine(pen, pointStart, pointEnd);
context.DrawLine(linePen, linePointStart, pointStart);
}
}
axis.UpdateVisual(nameof(AxisLineRenderer), visual);
}
}
public void Render(IHasData data)
{
if (data is IHasLineData avgLineData)
{
var lineDatas = avgLineData.GetData();
if (lineDatas != null)
{
if (lineDatas.DataSources != null)
{
var margin = lineDatas.DataWidth + lineDatas.DataMargin * 2;
var visual = new DrawingVisual();
using (var context = visual.RenderOpen())
{
for (int i = 0; i <= lineDatas.VisualRangeEndIndex - lineDatas.VisualRangeStartIndex - 1; i++)
{
var index = i + lineDatas.VisualRangeStartIndex;
var x1 = lineDatas.Margin.Left + margin * i + lineDatas.DataWidth / 2;
var x2 = x1 + margin;
foreach (var line in lineDatas.DataSources)
{
if (line.Datas == null || line.Brush == null)
{
continue;
}
var y1 = ChartHelper.ComputeYCoordinate(lineDatas.ActualHeight, lineDatas.YAxisCoordinateMinValue, lineDatas.YAxisCoordinateAndPixelProportion, lineDatas.Margin.Top, Convert.ToDouble(line.Datas[index]));
var y2 = ChartHelper.ComputeYCoordinate(lineDatas.ActualHeight, lineDatas.YAxisCoordinateMinValue, lineDatas.YAxisCoordinateAndPixelProportion, lineDatas.Margin.Top, Convert.ToDouble(line.Datas[index + 1]));
var point1 = new Point(x1, y1);
var point2 = new Point(x2, y2);
var pen = new Pen {
Brush = line.Brush
};
if (point1.Y > 0 && point1.X > 0)
{
context.DrawLine(pen, point1, point2);
}
}
}
}
lineDatas.UpdateVisual(Name, visual);
}
else
{
lineDatas.UpdateVisual(Name, null);
}
}
}
}
public void Render(IHasData data)
{
if (data is IHasTimeLableData timeLableData)
{
var lableData = timeLableData.GetData();
var labelFormat = timeLabelMapper.MapToFormat(lableData.TimeSpan, lableData.StickWidth, lableData.DateTimes);
var visual = new DrawingVisual();
using (var context = visual.RenderOpen())
{
var pen = new Pen {
Brush = lableData.Brush
};
foreach (var index in labelFormat.TimeIndexs)
{
var format = labelFormat.Format;
var pointStart = new Point()
{
X = index * (lableData.DataWidth + lableData.DataMargin * 2) + lableData.Margin.Left + lableData.DataMargin + lableData.DataWidth / 2, Y = lableData.ActualHeight - lableData.Margin.Bottom
};
var pointEnd = new Point()
{
X = pointStart.X,
Y = pointStart.Y + 5
};
//如果为0点则显示为天数
if (lableData.DateTimes[index].ToLocalTime().ToString("HH:mm:ss") == "00:00:00")
{
format = "M月d日";
}
var text = new FormattedText(lableData.DateTimes[index].ToString(format), CultureInfo.GetCultureInfo("en-us"), FlowDirection.LeftToRight, lableData.Typeface, lableData.FontSize, lableData.Brush, 1.25);
var textPoint = new Point()
{
X = pointStart.X - text.Width / 2,
Y = pointEnd.Y
};
context.DrawLine(pen, pointStart, pointEnd);
context.DrawText(text, textPoint);
}
}
lableData.UpdateVisual(nameof(TimeLabelRenderer), visual);
}
}
public void Render(IHasData data)
{
if (data is IHasKlineInfoData klineInfoData)
{
var klineInfo = klineInfoData.GetData();
if (klineInfo.Render)
{
var point = new Point();
var visual = new DrawingVisual();
using (var context = visual.RenderOpen())
{
List <KlineInfo> texts = new List <KlineInfo>
{
new KlineInfo {
Title = "时间：", Info = $"{klineInfo.OHLC.Time:yyyy-MM-dd HH:mm}"
},
public void Render(IHasData data)
{
if (data is IHasAxisLableData axisData)
{
var lableData = axisData.GetData();
var visual = new DrawingVisual();
using (var context = visual.RenderOpen())
{
var proportion = 1 / lableData.YAxisCoordinateCount;
for (int i = 0; i < lableData.YAxisCoordinateCount; i++)
{
var currentValue = (i + 1) * proportion * lableData.YAxisValueRange + lableData.YAxisCoordinateMinValue;
var textPoint = new Point
{
X = lableData.ActualWidth - lableData.Margin.Right + 15,
Y = (lableData.YAxisCoordinateCount - i - 1) * proportion * lableData.YAxisActualHeight + lableData.Margin.Bottom - lableData.FontSize / 2
};
var text = new FormattedText(currentValue.ToString(lableData.TextFormat), CultureInfo.GetCultureInfo("en-us"), FlowDirection.LeftToRight, lableData.Typeface, lableData.FontSize, lableData.Brush, 1.25);
context.DrawText(text, textPoint);
}
}
lableData.UpdateVisual(nameof(AxisLabelRenderer), visual);
}
}
public void Render(IHasData data)
{
if (data is IHasGuideLineData guideLineData)
{
var lineData = guideLineData.GetData();
var visual = new DrawingVisual();
using (var context = visual.RenderOpen())
{
var pen = new Pen {
Brush = lineData.Brush
};
pen.DashStyle = DashStyles.Dash;
int index = Convert.ToInt32(Math.Floor((lineData.MousePoint.X - lineData.DataMargin - lineData.Margin.Left) / (lineData.DataWidth + lineData.DataMargin * 2)));
if (0 <= index && index <= (lineData.ViewAreaEndIndex - lineData.ViewAreaStartIndex))
{
var XAxisStartPoint = new Point
{
X = lineData.Margin.Left,
Y = lineData.MousePoint.Y
};
var XAxisEndPoint = new Point
{
X = lineData.ActualWidth - lineData.Margin.Right,
Y = lineData.MousePoint.Y
};
var YAxisStartPoint = new Point
{
X = index * (lineData.DataWidth + lineData.DataMargin * 2) + lineData.Margin.Left + lineData.DataMargin + lineData.DataWidth / 2,
Y = 0
};
var YAxisEndPoint = new Point
{
X = index * (lineData.DataWidth + lineData.DataMargin * 2) + lineData.Margin.Left + lineData.DataMargin + lineData.DataWidth / 2,
Y = lineData.ActualHeight - lineData.Margin.Bottom
};
var YActualHeight = lineData.ActualHeight - lineData.Margin.Bottom;
var PriceValue = ((YActualHeight - lineData.MousePoint.Y) / YActualHeight) * lineData.YAxisValueRange + lineData.YAxisCoordinateMinValue;
//画价格的文字
var priceText = new FormattedText(PriceValue.ToString(lineData.TextFormat), CultureInfo.GetCultureInfo("en-us"), FlowDirection.LeftToRight, lineData.Typeface, lineData.FontSize, lineData.TextBrush, 1.25);
var PriceRectangleStartLeftTopPoint = new Point()
{
X = XAxisEndPoint.X,
Y = XAxisEndPoint.Y - priceText.Height / 2
};
var PriceTextPoint = new Point()
{
X = PriceRectangleStartLeftTopPoint.X + 7.5,
Y = PriceRectangleStartLeftTopPoint.Y
};
if (lineData.MousePoint.X > 0 && lineData.MousePoint.Y > 0 && lineData.MousePoint.Y < lineData.ActualHeight - lineData.Margin.Bottom)
{
context.DrawLine(pen, XAxisStartPoint, XAxisEndPoint);
context.DrawLine(pen, YAxisStartPoint, YAxisEndPoint);
context.DrawRectangle(lineData.RectengelBrush, new Pen()
{
Brush = lineData.RectengelBrush
}, new Rect(PriceRectangleStartLeftTopPoint, new Size {
Height = priceText.Height + 5, Width = priceText.Width + 15
}));
context.DrawText(priceText, PriceTextPoint);
}
else if (lineData.MousePoint.X > 0)
{
context.DrawLine(pen, YAxisStartPoint, YAxisEndPoint);
}
if (lineData.Times != null)
{
//画时间的文字
var timeText = new FormattedText(lineData.Times[index].ToString("M月dd日 HH:mm"), CultureInfo.GetCultureInfo("en-us"), FlowDirection.LeftToRight, lineData.Typeface, lineData.FontSize, lineData.TextBrush, 1.25);
var TimeRectangleStartLeftTopPoint = new Point()
{
X = index * (lineData.DataWidth + lineData.DataMargin * 2) + lineData.Margin.Left + lineData.DataMargin + lineData.DataWidth - timeText.Width / 2 - 5,
Y = lineData.ActualHeight - lineData.Margin.Bottom
};
var TimeTextPoint = new Point()
{
X = TimeRectangleStartLeftTopPoint.X + 2.5,
Y = TimeRectangleStartLeftTopPoint.Y + 2.5
};
context.DrawRectangle(lineData.RectengelBrush, new Pen()
{
Brush = lineData.RectengelBrush
}, new Rect(TimeRectangleStartLeftTopPoint, new Size {
Height = timeText.Height + 5, Width = timeText.Width + 5
}));
context.DrawText(timeText, TimeTextPoint);
}
}
lineData.UpdateVisual(nameof(GuideLineRenderer), visual);
}
}
}
public void Render(IHasData data)
{
if (data is IHasKLineData kline)
{
var kLineData = kline.GetData();
if ((kLineData.DataSources != null && kLineData.DataSources.Any()) && AllowRender)
{
var ohlcs = kLineData.DataSources;
var visuals = new List <Visual>();
for (int i = 0; i <= kLineData.VisualRangeEndIndex - kLineData.VisualRangeStartIndex; i++)
{
var ohlc = ohlcs[i + kLineData.VisualRangeStartIndex];
var visual = new DrawingVisual();
using (var context = visual.RenderOpen())
{
var openCloseMaxPoint = new Point
{
X = i * (kLineData.DataWidth + kLineData.DataMargin * 2) + kLineData.Margin.Left + kLineData.DataMargin,
Y = ChartHelper.ComputeYCoordinate(kLineData.ActualHeight, kLineData.YAxisCoordinateMinValue, kLineData.YAxisCoordinateAndPixelProportion, kLineData.Margin.Top, Convert.ToDouble(Math.Max(ohlc.Open, ohlc.Close)))
};
var openCloseMinPoint = new Point
{
X = i * (kLineData.DataWidth + kLineData.DataMargin * 2) + kLineData.Margin.Left + kLineData.DataMargin + kLineData.DataWidth,
Y = ChartHelper.ComputeYCoordinate(kLineData.ActualHeight, kLineData.YAxisCoordinateMinValue, kLineData.YAxisCoordinateAndPixelProportion, kLineData.Margin.Top, Convert.ToDouble(Math.Min(ohlc.Open, ohlc.Close)))
};
var midLineHeightPoint = new Point
{
X = openCloseMaxPoint.X + kLineData.DataWidth / 2,
Y = ChartHelper.ComputeYCoordinate(kLineData.ActualHeight, kLineData.YAxisCoordinateMinValue, kLineData.YAxisCoordinateAndPixelProportion, kLineData.Margin.Top, Convert.ToDouble(ohlc.Height))
};
var midLineLowPoint = new Point
{
X = openCloseMaxPoint.X + kLineData.DataWidth / 2,
Y = ChartHelper.ComputeYCoordinate(kLineData.ActualHeight, kLineData.YAxisCoordinateMinValue, kLineData.YAxisCoordinateAndPixelProportion, kLineData.Margin.Top, Convert.ToDouble(ohlc.Low))
};
//设置最小蜡烛宽度
if ((openCloseMinPoint.Y - openCloseMaxPoint.Y) < 3)
{
openCloseMinPoint.Y = openCloseMaxPoint.Y + 3;
}
var brush = ohlc.Open < ohlc.Close ? kLineData.RiseBrush : kLineData.FallBrush;
context.DrawRectangle(brush, null, new Rect(openCloseMaxPoint, openCloseMinPoint));
context.DrawLine(new Pen {
Brush = brush, Thickness = kLineData.DataWidth / 8
}, midLineHeightPoint, midLineLowPoint);
visuals.Add(visual);
kLineData.Mapping.Add(visual, new Model.KlineMappingData {
OHLC = ohlc, MidLineHeightPoint = midLineHeightPoint, MidLineLowPoint = midLineLowPoint
});
}
}
kLineData.UpdateVisuals(nameof(KLineRenderer), visuals);
}
else
{
kLineData.UpdateVisual(nameof(KLineRenderer), null);
}
}
}