/// <summary>
/// Place label for DataPoint
/// </summary>
/// <param name="visual">Visual</param>
/// <param name="labelCanvas">Canvas for label</param>
/// <param name="dataPoint">DataPoint</param>
internal static void CreateAndPositionLabel(Canvas labelCanvas, DataPoint dataPoint)
{
if (dataPoint.LabelVisual != null)
{
Panel parent = dataPoint.LabelVisual.Parent as Panel;
if (parent != null)
{
parent.Children.Remove(dataPoint.LabelVisual);
}
}
if ((Boolean)dataPoint.LabelEnabled && !String.IsNullOrEmpty(dataPoint.LabelText))
{
Canvas dataPointVisual = dataPoint.Faces.Visual as Canvas;
Title tb = new Title()
{
Text = dataPoint.TextParser(dataPoint.LabelText),
FontFamily = dataPoint.LabelFontFamily,
FontSize = dataPoint.LabelFontSize.Value,
FontWeight = (FontWeight)dataPoint.LabelFontWeight,
FontStyle = (FontStyle)dataPoint.LabelFontStyle,
Background = dataPoint.LabelBackground,
FontColor = Chart.CalculateDataPointLabelFontColor(dataPoint.Chart as Chart, dataPoint, dataPoint.LabelFontColor, LabelStyles.OutSide)
};
tb.CreateVisualObject(new ElementData()
{
Element = dataPoint
});
tb.Visual.Height = tb.Height;
tb.Visual.Width = tb.Width;
dataPoint.LabelVisual = tb.Visual;
// Double labelTop = (Double)dataPointVisual.GetValue(Canvas.TopProperty) - tb.Height;
// Double labelLeft = (Double)dataPointVisual.GetValue(Canvas.LeftProperty) + (dataPointVisual.Width - tb.Width) / 2;
// if (labelTop < 0) labelTop = (Double)dataPointVisual.GetValue(Canvas.TopProperty);
// if (labelLeft < 0) labelLeft = 1;
// if (labelLeft + tb.ActualWidth > labelCanvas.Width)
// labelLeft = labelCanvas.Width - tb.ActualWidth - 2;
// tb.Visual.SetValue(Canvas.LeftProperty, labelLeft);
// tb.Visual.SetValue(Canvas.TopProperty, labelTop);
SetLabelPosition(dataPoint, labelCanvas.Width, labelCanvas.Height);
labelCanvas.Children.Add(tb.Visual);
}
}
private static void CreateOrUpdateAPointDataPoint(Canvas bubleChartCanvas, DataPoint dataPoint, Double minimumZVal, Double maximumZVal, Double plotWidth, Double plotHeight)
{
Faces dpFaces = dataPoint.Faces;
// Remove preexisting dataPoint visual and label visual
if (dpFaces != null && dpFaces.Visual != null && bubleChartCanvas == dpFaces.Visual.Parent)
{
bubleChartCanvas.Children.Remove(dataPoint.Faces.Visual);
// dpFaces = null;
}
dataPoint.Faces = null;
if (Double.IsNaN(dataPoint.InternalYValue) || (dataPoint.Enabled == false))
{
return;
}
Chart chart = dataPoint.Chart as Chart;
PlotGroup plotGroup = dataPoint.Parent.PlotGroup;
Canvas dataPointVisual = new Canvas();
Faces bubbleFaces = new Faces();
Double xPosition = Graphics.ValueToPixelPosition(0, plotWidth, (Double)plotGroup.AxisX.InternalAxisMinimum, (Double)plotGroup.AxisX.InternalAxisMaximum, dataPoint.InternalXValue);
Double yPosition = Graphics.ValueToPixelPosition(plotHeight, 0, (Double)plotGroup.AxisY.InternalAxisMinimum, (Double)plotGroup.AxisY.InternalAxisMaximum, dataPoint.InternalYValue);
Brush markerColor = dataPoint.Color;
markerColor = (chart.View3D ? Graphics.Get3DBrushLighting(markerColor, (Boolean)dataPoint.LightingEnabled) : ((Boolean)dataPoint.LightingEnabled ? Graphics.GetLightingEnabledBrush(markerColor, "Linear", null) : markerColor));
String labelText = (Boolean)dataPoint.LabelEnabled ? dataPoint.TextParser(dataPoint.LabelText) : "";
Marker marker = new Marker((MarkerTypes)dataPoint.MarkerType, 1, new Size(6, 6), false, markerColor, labelText);
dataPoint.Marker = marker;
ApplyZValue(dataPoint, minimumZVal, maximumZVal, plotWidth, plotHeight);
marker.ShadowEnabled = (Boolean)dataPoint.ShadowEnabled;
if (dataPoint.BorderColor != null)
{
marker.BorderColor = dataPoint.BorderColor;
}
marker.TextBackground = dataPoint.LabelBackground;
marker.BorderThickness = ((Thickness)dataPoint.MarkerBorderThickness).Left;
marker.TextAlignmentX = AlignmentX.Center;
marker.TextAlignmentY = AlignmentY.Center;
marker.Tag = new ElementData()
{
Element = dataPoint
};
Double gap = ((Double)dataPoint.MarkerScale * (Double)dataPoint.MarkerSize) / 2;
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 - gap < 0 && (yPosition - marker.TextBlockSize.Height / 2) < 0)
{
marker.TextAlignmentY = AlignmentY.Bottom;
}
else if (yPosition + gap > plotHeight && (yPosition + marker.TextBlockSize.Height / 2) > plotHeight)
{
marker.TextAlignmentY = AlignmentY.Top;
}
if (xPosition - gap < 0 && (xPosition - marker.TextBlockSize.Width / 2) < 0)
{
marker.TextAlignmentX = AlignmentX.Right;
}
else if (xPosition + gap > plotWidth && (xPosition + marker.TextBlockSize.Width / 2) > plotWidth)
{
marker.TextAlignmentX = AlignmentX.Left;
}
}
}
marker.PixelLavelShadow = false; // pixelLavelShadow;
marker.CreateVisual();
UpdateBubblePositionAccording2XandYValue(dataPoint, plotWidth, plotHeight, false, 0, 0);
bubleChartCanvas.Children.Add(marker.Visual);
bubbleFaces.Parts.Add(marker.MarkerShape);
bubbleFaces.VisualComponents.Add(marker.Visual);
bubbleFaces.BorderElements.Add(marker.MarkerShape);
bubbleFaces.Visual = marker.Visual;
dataPoint.Faces = bubbleFaces;
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);
}
}
// 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 = (Boolean)dataPoint.ShadowEnabled;
if (!VisifireControl.IsMediaEffectsEnabled)
{
marker.PixelLavelShadow = false;
}
else
{
marker.PixelLavelShadow = true;
}
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 = (Double)dataPoint.Opacity * (Double)dataPoint.Parent.Opacity;
marker.AddToParent(pointChartCanvas, xPosition, yPosition, new Point(0.5, 0.5));
dataPoint._visualPosition = new Point(xPosition, yPosition);
dpFaces.VisualComponents.Add(marker.Visual);
dpFaces.Visual = marker.Visual;
dpFaces.BorderElements.Add(marker.MarkerShape);
dataPoint.Marker = marker;
dataPoint.Faces = dpFaces;
dataPoint.Faces.Visual.Opacity = (Double)dataPoint.Opacity * (Double)dataPoint.Parent.Opacity;
dataPoint.AttachEvent2DataPointVisualFaces(dataPoint);
dataPoint.AttachEvent2DataPointVisualFaces(dataPoint.Parent);
dataPoint._parsedToolTipText = dataPoint.TextParser(dataPoint.ToolTipText);
if (!chart.IndicatorEnabled)
{
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);
}
}
