/// <summary>
/// Draw marker for radar DataPoints
/// </summary>
/// <param name="series"></param>
/// <param name="labelCanvas"></param>
/// <param name="chart"></param>
/// <param name="width"></param>
/// <param name="height"></param>
/// <param name="center"></param>
private static void DrawMarkers(DataSeries series, Canvas labelCanvas, Chart chart, Double width, Double height, Point center)
{
foreach (DataPoint dp in series.InternalDataPoints)
{
if (Double.IsNaN(dp._visualPosition.X) || Double.IsNaN(dp._visualPosition.Y))
{
continue;
}
Marker marker = null;
Double radianAngle = Visifire.Commons.CircularLabel.ResetMeanAngle(CalculateAngleByCoordinate(dp._visualPosition, center));
if (radianAngle > 0 && radianAngle < Math.PI)
{
marker = GetMarkerForDataPoint(chart, width, height, dp._visualPosition.Y, dp, false);
}
else
{
marker = GetMarkerForDataPoint(chart, width, height, dp._visualPosition.Y, dp, true);
}
if (marker != null)
{
marker.AddToParent(labelCanvas, dp._visualPosition.X, dp._visualPosition.Y, new Point(0.5, 0.5));
}
}
}
/// <summary>
/// Draw marker for polar DataPoint
/// </summary>
/// <param name="dp"></param>
/// <param name="labelCanvas"></param>
/// <param name="width"></param>
/// <param name="height"></param>
/// <param name="center"></param>
private static void DrawMarker(DataPoint dp, Canvas labelCanvas, Double width, Double height, Point center)
{
Marker marker = null;
Chart chart = (dp.Chart as Chart);
Double radianAngle = Visifire.Commons.CircularLabel.ResetMeanAngle(CalculateAngleByCoordinate(dp._visualPosition, center));
if (radianAngle > 0 && radianAngle < Math.PI)
{
marker = GetMarkerForDataPoint(chart, width, height, dp._visualPosition.Y, dp, false);
}
else
{
marker = GetMarkerForDataPoint(chart, width, height, dp._visualPosition.Y, dp, true);
}
if (marker != null)
{
marker.AddToParent(labelCanvas, dp._visualPosition.X, dp._visualPosition.Y, new Point(0.5, 0.5));
}
}
// Canvas bubleChartCanvas, DataPoint dataPoint, Double minimumZVal, Double maximumZVal, Double plotWidth, Double plotHeight
private static void CreateOrUpdateAPointDataPoint(Canvas pointChartCanvas, DataPoint dataPoint, Double plotAreaWidth, Double plotAreaHeight)
{
Faces dpFaces = dataPoint.Faces;
// Remove preexisting dataPoint visual and label visual
if (dpFaces != null && dpFaces.Visual != null && pointChartCanvas == dpFaces.Visual.Parent)
{
pointChartCanvas.Children.Remove(dataPoint.Faces.Visual);
//dpFaces = null;
}
dataPoint.Faces = null;
dpFaces = new Faces();
if (Double.IsNaN(dataPoint.InternalYValue) || (dataPoint.Enabled == false))
{
return;
}
Chart chart = dataPoint.Chart as Chart;
PlotGroup plotGroup = dataPoint.Parent.PlotGroup;
Double xPosition = Graphics.ValueToPixelPosition(0, plotAreaWidth, (Double)plotGroup.AxisX.InternalAxisMinimum, (Double)plotGroup.AxisX.InternalAxisMaximum, dataPoint.InternalXValue);
Double yPosition = Graphics.ValueToPixelPosition(plotAreaHeight, 0, (Double)plotGroup.AxisY.InternalAxisMinimum, (Double)plotGroup.AxisY.InternalAxisMaximum, dataPoint.InternalYValue);
Brush markerColor = dataPoint.Color;
//markerColor = (chart.View3D ? Graphics.GetLightingEnabledBrush3D(markerColor) :
// ((Boolean)dataPoint.LightingEnabled ? Graphics.GetLightingEnabledBrush(markerColor, "Linear", null) : markerColor));
markerColor = (chart.View3D ? Graphics.Get3DBrushLighting(dataPoint.Color, (Boolean)dataPoint.LightingEnabled) :
((Boolean)dataPoint.LightingEnabled ? Graphics.GetLightingEnabledBrush(markerColor, "Linear", null) : markerColor));
Size markerSize = new Size((Double)dataPoint.MarkerSize, (Double)dataPoint.MarkerSize);
Boolean markerBevel = false;
String labelText = (Boolean)dataPoint.LabelEnabled ? dataPoint.TextParser(dataPoint.LabelText) : "";
Marker marker = new Marker((MarkerTypes)dataPoint.MarkerType, (Double)dataPoint.MarkerScale, markerSize, markerBevel, markerColor, labelText);
marker.Tag = new ElementData()
{
Element = dataPoint
};
marker.ShadowEnabled = dataPoint.Parent.ShadowEnabled;
marker.MarkerSize = new Size((Double)dataPoint.MarkerSize, (Double)dataPoint.MarkerSize);
if (marker.MarkerType != MarkerTypes.Cross)
{
if (dataPoint.BorderColor != null)
{
marker.BorderColor = dataPoint.BorderColor;
}
}
else
{
marker.BorderColor = markerColor;
}
marker.BorderThickness = ((Thickness)dataPoint.MarkerBorderThickness).Left;
if (!String.IsNullOrEmpty(labelText))
{
marker.FontColor = Chart.CalculateDataPointLabelFontColor(chart, dataPoint, dataPoint.LabelFontColor, LabelStyles.OutSide);
marker.FontSize = (Double)dataPoint.LabelFontSize;
marker.FontWeight = (FontWeight)dataPoint.LabelFontWeight;
marker.FontFamily = dataPoint.LabelFontFamily;
marker.FontStyle = (FontStyle)dataPoint.LabelFontStyle;
marker.TextBackground = dataPoint.LabelBackground;
marker.TextAlignmentX = AlignmentX.Center;
marker.TextAlignmentY = AlignmentY.Center;
if (!Double.IsNaN(dataPoint.LabelAngle) && dataPoint.LabelAngle != 0)
{
marker.LabelAngle = dataPoint.LabelAngle;
marker.TextOrientation = Orientation.Vertical;
marker.TextAlignmentX = AlignmentX.Center;
marker.TextAlignmentY = AlignmentY.Center;
marker.LabelStyle = (LabelStyles)dataPoint.LabelStyle;
}
marker.CreateVisual();
if (Double.IsNaN(dataPoint.LabelAngle) || dataPoint.LabelAngle == 0)
{
if ((yPosition - marker.TextBlockSize.Height / 2) < 0)
{
marker.TextAlignmentY = AlignmentY.Bottom;
}
else if ((yPosition + marker.TextBlockSize.Height / 2) > plotAreaHeight)
{
marker.TextAlignmentY = AlignmentY.Top;
}
if ((xPosition - marker.TextBlockSize.Width / 2) < 0)
{
marker.TextAlignmentX = AlignmentX.Right;
}
else if ((xPosition + marker.TextBlockSize.Width / 2) > plotAreaWidth)
{
marker.TextAlignmentX = AlignmentX.Left;
}
}
}
//marker.LabelEnabled =(Boolean) dataPoint.LabelEnabled;
//marker.TextBackground = dataPoint.LabelBackground;
//marker.FontColor = Chart.CalculateDataPointLabelFontColor(chart, dataPoint, dataPoint.LabelFontColor, LabelStyles.OutSide);
//marker.FontSize = (Double)dataPoint.LabelFontSize;
//marker.FontWeight = (FontWeight)dataPoint.LabelFontWeight;
//marker.FontFamily = dataPoint.LabelFontFamily;
//marker.FontStyle = (FontStyle)dataPoint.LabelFontStyle;
//marker.TextAlignmentX = AlignmentX.Center;
//marker.TextAlignmentY = AlignmentY.Center;
marker.CreateVisual();
marker.Visual.Opacity = dataPoint.Opacity * dataPoint.Parent.Opacity;
marker.AddToParent(pointChartCanvas, xPosition, yPosition, new Point(0.5, 0.5));
dpFaces.VisualComponents.Add(marker.Visual);
dpFaces.Visual = marker.Visual;
dpFaces.BorderElements.Add(marker.MarkerShape);
dataPoint.Marker = marker;
dataPoint.Faces = dpFaces;
dataPoint.Faces.Visual.Opacity = dataPoint.Opacity * dataPoint.Parent.Opacity;
dataPoint.AttachEvent2DataPointVisualFaces(dataPoint);
dataPoint.AttachEvent2DataPointVisualFaces(dataPoint.Parent);
dataPoint._parsedToolTipText = dataPoint.TextParser(dataPoint.ToolTipText);
dataPoint.AttachToolTip(chart, dataPoint, dataPoint.Faces.VisualComponents);
dataPoint.AttachHref(chart, dataPoint.Faces.VisualComponents, dataPoint.Href, (HrefTargets)dataPoint.HrefTarget);
dataPoint.SetCursor2DataPointVisualFaces();
if (dataPoint.Parent.SelectionEnabled && dataPoint.Selected)
{
dataPoint.Select(true);
}
}
