private void Draw3DStrip(ChartGraphics graph, RectangleF rect, bool horizontal)
{
ChartArea chartArea = this.axis.chartArea;
GraphicsPath graphicsPath = null;
DrawingOperationTypes drawingOperationTypes = DrawingOperationTypes.DrawElement;
if (this.axis.Common.ProcessModeRegions)
{
drawingOperationTypes |= DrawingOperationTypes.CalcElementPath;
}
this.InitAnimation3D(graph.common, rect, (float)(chartArea.IsMainSceneWallOnFront() ? chartArea.areaSceneDepth : 0.0), 0f, chartArea.matrix3D, graph, this.axis);
graph.StartAnimation();
graphicsPath = graph.Fill3DRectangle(rect, (float)(chartArea.IsMainSceneWallOnFront() ? chartArea.areaSceneDepth : 0.0), 0f, chartArea.matrix3D, chartArea.Area3DStyle.Light, this.BackColor, this.BackHatchStyle, this.BackImage, this.BackImageMode, this.BackImageTransparentColor, this.BackImageAlign, this.BackGradientType, this.BackGradientEndColor, this.BorderColor, this.BorderWidth, this.BorderStyle, PenAlignment.Outset, drawingOperationTypes);
graph.StopAnimation();
if (this.axis.Common.ProcessModeRegions)
{
this.axis.Common.HotRegionsList.AddHotRegion(graph, graphicsPath, false, this.ToolTip, this.Href, this.MapAreaAttributes, this, ChartElementType.StripLines);
}
if (horizontal)
{
if (!chartArea.IsSideSceneWallOnLeft())
{
rect.X = rect.Right;
}
rect.Width = 0f;
this.InitAnimation3D(graph.common, rect, 0f, chartArea.areaSceneDepth, chartArea.matrix3D, graph, this.axis);
graph.StartAnimation();
graphicsPath = graph.Fill3DRectangle(rect, 0f, chartArea.areaSceneDepth, chartArea.matrix3D, chartArea.Area3DStyle.Light, this.BackColor, this.BackHatchStyle, this.BackImage, this.BackImageMode, this.BackImageTransparentColor, this.BackImageAlign, this.BackGradientType, this.BackGradientEndColor, this.BorderColor, this.BorderWidth, this.BorderStyle, PenAlignment.Outset, drawingOperationTypes);
graph.StopAnimation();
}
else if (chartArea.IsBottomSceneWallVisible())
{
rect.Y = rect.Bottom;
rect.Height = 0f;
this.InitAnimation3D(graph.common, rect, 0f, chartArea.areaSceneDepth, chartArea.matrix3D, graph, this.axis);
graph.StartAnimation();
graphicsPath = graph.Fill3DRectangle(rect, 0f, chartArea.areaSceneDepth, chartArea.matrix3D, chartArea.Area3DStyle.Light, this.BackColor, this.BackHatchStyle, this.BackImage, this.BackImageMode, this.BackImageTransparentColor, this.BackImageAlign, this.BackGradientType, this.BackGradientEndColor, this.BorderColor, this.BorderWidth, this.BorderStyle, PenAlignment.Outset, drawingOperationTypes);
graph.StopAnimation();
}
if (this.axis.Common.ProcessModeRegions)
{
this.axis.Common.HotRegionsList.AddHotRegion(graph, graphicsPath, false, this.ToolTip, this.Href, this.MapAreaAttributes, this, ChartElementType.StripLines);
}
}
internal void ProcessSinglePoint3D(DataPoint3D pointEx, bool selection, ChartGraphics graph, CommonElements common, ChartArea area)
{
DataPoint dataPoint = pointEx.dataPoint;
Series series = dataPoint.series;
dataPoint.positionRel = new PointF(float.NaN, float.NaN);
hAxis = area.GetAxis(AxisName.X, series.XAxisType, series.XSubAxisName);
vAxis = area.GetAxis(AxisName.Y, series.YAxisType, series.YSubAxisName);
double yValue = GetYValue(common, area, series, pointEx.dataPoint, pointEx.index - 1, yValueIndex);
yValue = vAxis.GetLogValue(yValue);
if (yValue > vAxis.GetViewMaximum() || yValue < vAxis.GetViewMinimum())
{
return;
}
double yValue2 = pointEx.indexedSeries ? ((double)pointEx.index) : dataPoint.XValue;
yValue2 = hAxis.GetLogValue(yValue2);
if (yValue2 > hAxis.GetViewMaximum() || yValue2 < hAxis.GetViewMinimum() || (!ShouldDrawMarkerOnViewEdgeX() && ((yValue2 == hAxis.GetViewMaximum() && ShiftedX >= 0.0) || (yValue2 == hAxis.GetViewMinimum() && ShiftedX <= 0.0))))
{
return;
}
PointF empty = PointF.Empty;
empty.Y = (float)pointEx.yPosition;
empty.X = (float)hAxis.GetLinearPosition(yValue2);
empty.X += (float)ShiftedX;
dataPoint.positionRel = new PointF(empty.X, empty.Y);
int markerSize = dataPoint.MarkerSize;
string markerImage = dataPoint.MarkerImage;
MarkerStyle markerStyle = dataPoint.MarkerStyle;
SizeF markerSize2 = GetMarkerSize(graph, common, area, dataPoint, markerSize, markerImage);
Point3D[] array = new Point3D[1]
{
new Point3D(empty.X, empty.Y, pointEx.zPosition + (middleMarker ? (pointEx.depth / 2f) : pointEx.depth))
};
area.matrix3D.TransformPoints(array);
PointF pointF = array[0].PointF;
GraphicsPath path = null;
if ((alwaysDrawMarkers || markerStyle != 0 || markerImage.Length > 0) && pointEx.index % series.MarkerStep == 0)
{
DrawingOperationTypes drawingOperationTypes = DrawingOperationTypes.DrawElement;
if (common.ProcessModeRegions)
{
drawingOperationTypes |= DrawingOperationTypes.CalcElementPath;
}
graph.StartHotRegion(dataPoint);
graph.StartAnimation();
path = graph.DrawMarker3D(area.matrix3D, area.Area3DStyle.Light, pointEx.zPosition + (middleMarker ? (pointEx.depth / 2f) : pointEx.depth), empty, (markerStyle == MarkerStyle.None) ? MarkerStyle.Circle : markerStyle, (int)markerSize2.Height, (dataPoint.MarkerColor == Color.Empty) ? dataPoint.Color : dataPoint.MarkerColor, (dataPoint.MarkerBorderColor == Color.Empty) ? dataPoint.BorderColor : dataPoint.MarkerBorderColor, GetMarkerBorderSize(dataPoint), markerImage, dataPoint.MarkerImageTransparentColor, (dataPoint.series != null) ? dataPoint.series.ShadowOffset : 0, (dataPoint.series != null) ? dataPoint.series.ShadowColor : Color.Empty, new RectangleF(pointF.X, pointF.Y, markerSize2.Width, markerSize2.Height), drawingOperationTypes);
graph.StopAnimation();
graph.EndHotRegion();
}
PointF empty2 = PointF.Empty;
if (label3DInfoList != null && label3DInfoList.Count > 0 && ((Label3DInfo)label3DInfoList[label3DInfoList.Count - 1]).PointEx.zPosition != pointEx.zPosition)
{
DrawAccumulated3DLabels(graph, common, area);
}
if (label3DInfoList == null)
{
label3DInfoList = new ArrayList();
}
Label3DInfo label3DInfo = new Label3DInfo();
label3DInfo.PointEx = pointEx;
label3DInfo.MarkerPosition = pointF;
label3DInfo.MarkerSize = markerSize2;
label3DInfo.AnimatedPoint = empty2;
label3DInfoList.Add(label3DInfo);
if (common.ProcessModeRegions)
{
SizeF relativeSize = graph.GetRelativeSize(markerSize2);
int insertIndex = common.HotRegionsList.FindInsertIndex();
if (markerStyle == MarkerStyle.Circle)
{
float[] array2 = new float[3]
{
pointF.X,
pointF.Y,
relativeSize.Width / 2f
};
common.HotRegionsList.AddHotRegion(insertIndex, graph, array2[0], array2[1], array2[2], dataPoint, series.Name, pointEx.index - 1);
}
if (markerStyle == MarkerStyle.Square)
{
common.HotRegionsList.AddHotRegion(path, relativePath: false, graph, dataPoint, series.Name, pointEx.index - 1);
}
else
{
common.HotRegionsList.AddHotRegion(graph, new RectangleF(pointF.X - relativeSize.Width / 2f, pointF.Y - relativeSize.Height / 2f, relativeSize.Width, relativeSize.Height), dataPoint, series.Name, pointEx.index - 1);
}
}
}
/// <summary>
/// Draws a 3D surface connecting the two specified points in 2D space.
/// Used to draw Line based charts.
/// </summary>
/// <param name="area">Chart area reference.</param>
/// <param name="graph">Chart graphics.</param>
/// <param name="matrix">Coordinates transformation matrix.</param>
/// <param name="lightStyle">LightStyle style (None, Simplistic, Realistic).</param>
/// <param name="prevDataPointEx">Previous data point object.</param>
/// <param name="positionZ">Z position of the back side of the 3D surface.</param>
/// <param name="depth">Depth of the 3D surface.</param>
/// <param name="points">Array of points.</param>
/// <param name="pointIndex">Index of point to draw.</param>
/// <param name="pointLoopIndex">Index of points loop.</param>
/// <param name="tension">Line tension.</param>
/// <param name="operationType">AxisName of operation Drawing, Calculating Path or Both</param>
/// <param name="topDarkening">Darkenning scale for top surface. 0 - None.</param>
/// <param name="bottomDarkening">Darkenning scale for bottom surface. 0 - None.</param>
/// <param name="thirdPointPosition">Position where the third point is actually located or float.NaN if same as in "firstPoint".</param>
/// <param name="fourthPointPosition">Position where the fourth point is actually located or float.NaN if same as in "secondPoint".</param>
/// <param name="clippedSegment">Indicates that drawn segment is 3D clipped. Only top/bottom should be drawn.</param>
/// <returns>Returns elemnt shape path if operationType parameter is set to CalcElementPath, otherwise Null.</returns>
protected override GraphicsPath Draw3DSurface(
ChartArea area,
ChartGraphics graph,
Matrix3D matrix,
LightStyle lightStyle,
DataPoint3D prevDataPointEx,
float positionZ,
float depth,
ArrayList points,
int pointIndex,
int pointLoopIndex,
float tension,
DrawingOperationTypes operationType,
float topDarkening,
float bottomDarkening,
PointF thirdPointPosition,
PointF fourthPointPosition,
bool clippedSegment)
{
// Create graphics path for selection
GraphicsPath resultPath = ((operationType & DrawingOperationTypes.CalcElementPath) == DrawingOperationTypes.CalcElementPath)
? new GraphicsPath() : null;
// Check if points are drawn from sides to center (do only once)
if (centerPointIndex == int.MaxValue)
{
centerPointIndex = GetCenterPointIndex(points);
}
//************************************************************
//** Find line first & second points
//************************************************************
DataPoint3D secondPoint = (DataPoint3D)points[pointIndex];
int pointArrayIndex = pointIndex;
DataPoint3D firstPoint = ChartGraphics.FindPointByIndex(
points,
secondPoint.index - 1,
(this.multiSeries) ? secondPoint : null,
ref pointArrayIndex);
// Fint point with line properties
DataPoint3D pointAttr = secondPoint;
if (prevDataPointEx.dataPoint.IsEmpty)
{
pointAttr = prevDataPointEx;
}
else if (firstPoint.index > secondPoint.index)
{
pointAttr = firstPoint;
}
// Adjust point visual properties
Color color = (useBorderColor) ? pointAttr.dataPoint.BorderColor : pointAttr.dataPoint.Color;
ChartDashStyle dashStyle = pointAttr.dataPoint.BorderDashStyle;
if (pointAttr.dataPoint.IsEmpty && pointAttr.dataPoint.Color == Color.Empty)
{
color = Color.Gray;
}
if (pointAttr.dataPoint.IsEmpty && pointAttr.dataPoint.BorderDashStyle == ChartDashStyle.NotSet)
{
dashStyle = ChartDashStyle.Solid;
}
//************************************************************
//** Create "middle" point
//************************************************************
DataPoint3D middlePoint = new DataPoint3D();
middlePoint.xPosition = secondPoint.xPosition;
middlePoint.yPosition = firstPoint.yPosition;
// Check if reversed drawing order required
bool originalDrawOrder = true;
if ((pointIndex + 1) < points.Count)
{
DataPoint3D p = (DataPoint3D)points[pointIndex + 1];
if (p.index == firstPoint.index)
{
originalDrawOrder = false;
}
}
// Check in which order vertical & horizontal lines segments should be drawn
if (centerPointIndex != int.MaxValue)
{
if (pointIndex >= centerPointIndex)
{
originalDrawOrder = false;
}
}
// Draw two segments of the step line
GraphicsPath resultPathLine1, resultPathLine2;
if (originalDrawOrder)
{
// Draw first line
middlePoint.dataPoint = secondPoint.dataPoint;
resultPathLine1 = graph.Draw3DSurface(
area, matrix, lightStyle, SurfaceNames.Top, positionZ, depth, color,
pointAttr.dataPoint.BorderColor, pointAttr.dataPoint.BorderWidth, dashStyle,
firstPoint, middlePoint,
points, pointIndex, 0f, operationType, LineSegmentType.First,
(this.showPointLines) ? true : false, false,
area.ReverseSeriesOrder,
this.multiSeries, 0, true);
// No second draw of the prev. front line required
graph.frontLinePen = null;
// Draw second line
middlePoint.dataPoint = firstPoint.dataPoint;
resultPathLine2 = graph.Draw3DSurface(
area, matrix, lightStyle, SurfaceNames.Top, positionZ, depth, color,
pointAttr.dataPoint.BorderColor, pointAttr.dataPoint.BorderWidth, dashStyle,
middlePoint, secondPoint,
points, pointIndex, 0f, operationType, LineSegmentType.Last,
(this.showPointLines) ? true : false, false,
area.ReverseSeriesOrder,
this.multiSeries, 0, true);
// No second draw of the prev. front line required
graph.frontLinePen = null;
}
else
{
// Draw second line
middlePoint.dataPoint = firstPoint.dataPoint;
resultPathLine2 = graph.Draw3DSurface(
area, matrix, lightStyle, SurfaceNames.Top, positionZ, depth, color,
pointAttr.dataPoint.BorderColor, pointAttr.dataPoint.BorderWidth, dashStyle,
middlePoint, secondPoint,
points, pointIndex, 0f, operationType, LineSegmentType.Last,
(this.showPointLines) ? true : false, false,
area.ReverseSeriesOrder,
this.multiSeries, 0, true);
// No second draw of the prev. front line required
graph.frontLinePen = null;
// Draw first line
middlePoint.dataPoint = secondPoint.dataPoint;
resultPathLine1 = graph.Draw3DSurface(
area, matrix, lightStyle, SurfaceNames.Top, positionZ, depth, color,
pointAttr.dataPoint.BorderColor, pointAttr.dataPoint.BorderWidth, dashStyle,
firstPoint, middlePoint,
points, pointIndex, 0f, operationType, LineSegmentType.First,
(this.showPointLines) ? true : false, false,
area.ReverseSeriesOrder,
this.multiSeries, 0, true);
// No second draw of the prev. front line required
graph.frontLinePen = null;
}
if (resultPath != null)
{
if (area.Common.ProcessModeRegions)
{
if (resultPathLine1 != null && resultPathLine1.PointCount > 0)
{
area.Common.HotRegionsList.AddHotRegion(
resultPathLine1,
false,
graph,
prevDataPointEx.dataPoint,
prevDataPointEx.dataPoint.series.Name,
prevDataPointEx.index - 1);
}
}
if (resultPathLine2 != null && resultPathLine2.PointCount > 0)
{
resultPath.AddPath(resultPathLine2, true);
}
}
return(resultPath);
}
private void ProcessChartType3D(bool selection, ChartGraphics graph, CommonElements common, ChartArea area, bool labels, Series seriesToDraw)
{
if (labels && !selection)
{
return;
}
ArrayList arrayList = null;
arrayList = area.GetClusterSeriesNames(seriesToDraw.Name);
common.DataManager.GetNumberOfPoints((string[])arrayList.ToArray(typeof(string)));
ArrayList dataPointDrawingOrder = area.GetDataPointDrawingOrder(arrayList, this, selection, COPCoordinates.X | COPCoordinates.Y, null, 0, sideBySide: false);
bool flag = false;
foreach (DataPoint3D item in dataPointDrawingOrder)
{
DataPoint dataPoint = item.dataPoint;
Series series = dataPoint.series;
currentStackGroup = GetSeriesStackGroupName(series);
dataPoint.positionRel = new PointF(float.NaN, float.NaN);
Axis axis = area.GetAxis(AxisName.Y, series.YAxisType, series.YSubAxisName);
Axis axis2 = area.GetAxis(AxisName.X, series.XAxisType, series.XSubAxisName);
BarDrawingStyle barDrawingStyle = ChartGraphics.GetBarDrawingStyle(dataPoint);
float num = 0.5f;
float num2 = 0.5f;
bool flag2 = true;
bool flag3 = false;
for (int i = 0; i < arrayList.Count; i++)
{
Series series2 = common.DataManager.Series[i];
if (flag2 && item.index <= series2.Points.Count && series2.Points[item.index - 1].YValues[0] != 0.0)
{
flag2 = false;
if (series2.Name == series.Name)
{
num2 = 0f;
}
}
if (series2.Name == series.Name)
{
flag3 = true;
}
else if (item.index <= series2.Points.Count && series2.Points[item.index - 1].YValues[0] != 0.0)
{
flag3 = false;
}
}
if (flag3)
{
num = 0f;
}
if (area.stackGroupNames != null && area.stackGroupNames.Count > 1 && area.Area3DStyle.Clustered)
{
string seriesStackGroupName = GetSeriesStackGroupName(series);
bool flag4 = true;
bool flag5 = false;
foreach (string item2 in arrayList)
{
Series series3 = common.DataManager.Series[item2];
if (!(GetSeriesStackGroupName(series3) == seriesStackGroupName))
{
continue;
}
if (flag4 && item.index < series3.Points.Count && series3.Points[item.index - 1].YValues[0] != 0.0)
{
flag4 = false;
if (item2 == series.Name)
{
num2 = 0f;
}
}
if (item2 == series.Name)
{
flag5 = true;
}
else if (item.index < series3.Points.Count && series3.Points[item.index - 1].YValues[0] != 0.0)
{
flag5 = false;
}
}
if (flag5)
{
num = 0f;
}
}
double yValue = GetYValue(common, area, series, item.dataPoint, item.index - 1, 0);
double yValue2 = yValue - GetYValue(common, area, series, item.dataPoint, item.index - 1, -1);
yValue = axis.GetLogValue(yValue);
yValue2 = axis.GetLogValue(yValue2);
if (yValue2 > axis.GetViewMaximum())
{
num = 0.5f;
yValue2 = axis.GetViewMaximum();
}
else if (yValue2 < axis.GetViewMinimum())
{
num2 = 0.5f;
yValue2 = axis.GetViewMinimum();
}
if (yValue > axis.GetViewMaximum())
{
num = 0.5f;
yValue = axis.GetViewMaximum();
}
else if (yValue < axis.GetViewMinimum())
{
num2 = 0.5f;
yValue = axis.GetViewMinimum();
}
double linearPosition = axis.GetLinearPosition(yValue);
double linearPosition2 = axis.GetLinearPosition(yValue2);
RectangleF empty = RectangleF.Empty;
try
{
empty.X = (float)(item.xPosition - item.width / 2.0);
empty.Width = (float)item.width;
if (linearPosition2 < linearPosition)
{
float num3 = num2;
num2 = num;
num = num3;
empty.Y = (float)linearPosition2;
empty.Height = (float)linearPosition - empty.Y;
}
else
{
empty.Y = (float)linearPosition;
empty.Height = (float)linearPosition2 - empty.Y;
}
}
catch (Exception)
{
continue;
}
dataPoint.positionRel = new PointF((float)item.xPosition, empty.Top);
if (dataPoint.Empty)
{
continue;
}
double yValue3 = item.indexedSeries ? ((double)item.index) : dataPoint.XValue;
yValue3 = axis2.GetLogValue(yValue3);
if (yValue3 < axis2.GetViewMinimum() || yValue3 > axis2.GetViewMaximum() || (yValue < axis.GetViewMinimum() && yValue2 < axis.GetViewMinimum()) || (yValue > axis.GetViewMaximum() && yValue2 > axis.GetViewMaximum()))
{
continue;
}
bool flag6 = false;
if (empty.Right <= area.PlotAreaPosition.X || empty.X >= area.PlotAreaPosition.Right())
{
continue;
}
if (empty.X < area.PlotAreaPosition.X)
{
empty.Width -= area.PlotAreaPosition.X - empty.X;
empty.X = area.PlotAreaPosition.X;
}
if (empty.Right > area.PlotAreaPosition.Right())
{
empty.Width -= empty.Right - area.PlotAreaPosition.Right();
}
if (empty.Width < 0f)
{
empty.Width = 0f;
}
if (empty.Height != 0f && empty.Width != 0f)
{
DrawingOperationTypes drawingOperationTypes = DrawingOperationTypes.DrawElement;
if (common.ProcessModeRegions)
{
drawingOperationTypes |= DrawingOperationTypes.CalcElementPath;
}
graph.StartHotRegion(dataPoint);
GraphicsPath path = graph.Fill3DRectangle(empty, item.zPosition, item.depth, area.matrix3D, area.Area3DStyle.Light, dataPoint.Color, num, num2, dataPoint.BackHatchStyle, dataPoint.BackImage, dataPoint.BackImageMode, dataPoint.BackImageTransparentColor, dataPoint.BackImageAlign, dataPoint.BackGradientType, dataPoint.BackGradientEndColor, dataPoint.BorderColor, dataPoint.BorderWidth, dataPoint.BorderStyle, PenAlignment.Inset, barDrawingStyle, veticalOrientation: true, drawingOperationTypes);
graph.StopAnimation();
graph.EndHotRegion();
if (flag6)
{
graph.ResetClip();
}
if (common.ProcessModeRegions && !labels)
{
common.HotRegionsList.AddHotRegion(path, relativePath: false, graph, dataPoint, series.Name, item.index - 1);
}
if (dataPoint.ShowLabelAsValue || dataPoint.Label.Length > 0)
{
flag = true;
}
}
}
if (!flag)
{
return;
}
foreach (DataPoint3D item3 in dataPointDrawingOrder)
{
DataPoint dataPoint2 = item3.dataPoint;
Series series4 = dataPoint2.series;
Axis axis3 = area.GetAxis(AxisName.Y, series4.YAxisType, series4.YSubAxisName);
Axis axis4 = area.GetAxis(AxisName.X, series4.XAxisType, series4.XSubAxisName);
double num4 = GetYValue(common, area, series4, item3.dataPoint, item3.index - 1, 0);
if (num4 > axis3.GetViewMaximum())
{
num4 = axis3.GetViewMaximum();
}
if (num4 < axis3.GetViewMinimum())
{
num4 = axis3.GetViewMinimum();
}
num4 = axis3.GetLogValue(num4);
double yPosition = item3.yPosition;
double num5 = num4 - axis3.GetLogValue(GetYValue(common, area, series4, item3.dataPoint, item3.index - 1, -1));
double height = item3.height;
RectangleF empty2 = RectangleF.Empty;
try
{
empty2.X = (float)(item3.xPosition - item3.width / 2.0);
empty2.Width = (float)item3.width;
if (height < yPosition)
{
empty2.Y = (float)height;
empty2.Height = (float)yPosition - empty2.Y;
}
else
{
empty2.Y = (float)yPosition;
empty2.Height = (float)height - empty2.Y;
}
}
catch (Exception)
{
continue;
}
if (!dataPoint2.Empty && !selection)
{
double yValue4 = item3.indexedSeries ? ((double)item3.index) : dataPoint2.XValue;
yValue4 = axis4.GetLogValue(yValue4);
if (!(yValue4 < axis4.GetViewMinimum()) && !(yValue4 > axis4.GetViewMaximum()) && (!(num4 < axis3.GetViewMinimum()) || !(num5 < axis3.GetViewMinimum())) && (!(num4 > axis3.GetViewMaximum()) || !(num5 > axis3.GetViewMaximum())))
{
graph.StartAnimation();
DrawLabels3D(common, graph, area, item3, item3.index - 1, series4, empty2);
graph.StopAnimation();
}
}
}
}
protected override GraphicsPath Draw3DSurface(ChartArea area, ChartGraphics graph, Matrix3D matrix, LightStyle lightStyle, DataPoint3D prevDataPointEx, float positionZ, float depth, ArrayList points, int pointIndex, int pointLoopIndex, float tension, DrawingOperationTypes operationType, float topDarkening, float bottomDarkening, PointF thirdPointPosition, PointF fourthPointPosition, bool clippedSegment)
{
GraphicsPath graphicsPath = ((operationType & DrawingOperationTypes.CalcElementPath) == DrawingOperationTypes.CalcElementPath) ? new GraphicsPath() : null;
if (base.centerPointIndex == 2147483647)
{
base.centerPointIndex = base.GetCenterPointIndex(points);
}
DataPoint3D dataPoint3D = (DataPoint3D)points[pointIndex];
int num = pointIndex;
DataPoint3D dataPoint3D2 = ChartGraphics3D.FindPointByIndex(points, dataPoint3D.index - 1, base.multiSeries ? dataPoint3D : null, ref num);
DataPoint3D dataPoint3D3 = dataPoint3D;
if (prevDataPointEx.dataPoint.Empty)
{
dataPoint3D3 = prevDataPointEx;
}
else if (dataPoint3D2.index > dataPoint3D.index)
{
dataPoint3D3 = dataPoint3D2;
}
Color backColor = base.useBorderColor ? dataPoint3D3.dataPoint.BorderColor : dataPoint3D3.dataPoint.Color;
ChartDashStyle borderStyle = dataPoint3D3.dataPoint.BorderStyle;
if (dataPoint3D3.dataPoint.Empty && dataPoint3D3.dataPoint.Color == Color.Empty)
{
backColor = Color.Gray;
}
if (dataPoint3D3.dataPoint.Empty && dataPoint3D3.dataPoint.BorderStyle == ChartDashStyle.NotSet)
{
borderStyle = ChartDashStyle.Solid;
}
DataPoint3D dataPoint3D4 = new DataPoint3D();
dataPoint3D4.xPosition = dataPoint3D.xPosition;
dataPoint3D4.yPosition = dataPoint3D2.yPosition;
bool flag = true;
if (pointIndex + 1 < points.Count)
{
DataPoint3D dataPoint3D5 = (DataPoint3D)points[pointIndex + 1];
if (dataPoint3D5.index == dataPoint3D2.index)
{
flag = false;
}
}
if (base.centerPointIndex != 2147483647 && pointIndex >= base.centerPointIndex)
{
flag = false;
}
GraphicsPath graphicsPath2;
GraphicsPath graphicsPath3;
if (flag)
{
dataPoint3D4.dataPoint = dataPoint3D.dataPoint;
graphicsPath2 = graph.Draw3DSurface(area, matrix, lightStyle, SurfaceNames.Top, positionZ, depth, backColor, dataPoint3D3.dataPoint.BorderColor, dataPoint3D3.dataPoint.BorderWidth, borderStyle, dataPoint3D2, dataPoint3D4, points, pointIndex, 0f, operationType, LineSegmentType.First, (byte)(base.showPointLines ? 1 : 0) != 0, false, area.reverseSeriesOrder, base.multiSeries, 0, true);
graph.frontLinePen = null;
dataPoint3D4.dataPoint = dataPoint3D2.dataPoint;
graphicsPath3 = graph.Draw3DSurface(area, matrix, lightStyle, SurfaceNames.Top, positionZ, depth, backColor, dataPoint3D3.dataPoint.BorderColor, dataPoint3D3.dataPoint.BorderWidth, borderStyle, dataPoint3D4, dataPoint3D, points, pointIndex, 0f, operationType, LineSegmentType.Last, (byte)(base.showPointLines ? 1 : 0) != 0, false, area.reverseSeriesOrder, base.multiSeries, 0, true);
graph.frontLinePen = null;
}
else
{
dataPoint3D4.dataPoint = dataPoint3D2.dataPoint;
graphicsPath3 = graph.Draw3DSurface(area, matrix, lightStyle, SurfaceNames.Top, positionZ, depth, backColor, dataPoint3D3.dataPoint.BorderColor, dataPoint3D3.dataPoint.BorderWidth, borderStyle, dataPoint3D4, dataPoint3D, points, pointIndex, 0f, operationType, LineSegmentType.Last, (byte)(base.showPointLines ? 1 : 0) != 0, false, area.reverseSeriesOrder, base.multiSeries, 0, true);
graph.frontLinePen = null;
dataPoint3D4.dataPoint = dataPoint3D.dataPoint;
graphicsPath2 = graph.Draw3DSurface(area, matrix, lightStyle, SurfaceNames.Top, positionZ, depth, backColor, dataPoint3D3.dataPoint.BorderColor, dataPoint3D3.dataPoint.BorderWidth, borderStyle, dataPoint3D2, dataPoint3D4, points, pointIndex, 0f, operationType, LineSegmentType.First, (byte)(base.showPointLines ? 1 : 0) != 0, false, area.reverseSeriesOrder, base.multiSeries, 0, true);
graph.frontLinePen = null;
}
if (graphicsPath != null)
{
if (area.Common.ProcessModeRegions && graphicsPath2 != null && graphicsPath2.PointCount > 0)
{
area.Common.HotRegionsList.AddHotRegion(graphicsPath2, false, graph, prevDataPointEx.dataPoint, prevDataPointEx.dataPoint.series.Name, prevDataPointEx.index - 1);
}
if (graphicsPath3 != null && graphicsPath3.PointCount > 0)
{
graphicsPath.AddPath(graphicsPath3, true);
}
}
return(graphicsPath);
}
private void ProcessChartType3D(bool labels, bool selection, ChartGraphics graph, CommonElements common, ChartArea area, Series seriesToDraw)
{
if (labels && !selection)
{
return;
}
SizeF relativeSize = graph.GetRelativeSize(new SizeF(1.1f, 1.1f));
ArrayList arrayList = null;
bool flag = drawSeriesSideBySide;
if ((area.Area3DStyle.Clustered && SideBySideSeries) || Stacked)
{
arrayList = area.GetSeriesFromChartType(Name);
foreach (string item in arrayList)
{
if (common.DataManager.Series[item].IsAttributeSet("DrawSideBySide"))
{
string strA = common.DataManager.Series[item]["DrawSideBySide"];
if (string.Compare(strA, "False", StringComparison.OrdinalIgnoreCase) == 0)
{
flag = false;
}
else if (string.Compare(strA, "True", StringComparison.OrdinalIgnoreCase) == 0)
{
flag = true;
}
else if (string.Compare(strA, "Auto", StringComparison.OrdinalIgnoreCase) != 0)
{
throw new InvalidOperationException(SR.ExceptionAttributeDrawSideBySideInvalid);
}
}
}
}
else
{
arrayList = new ArrayList();
arrayList.Add(seriesToDraw.Name);
}
foreach (DataPoint3D item2 in area.GetDataPointDrawingOrder(arrayList, this, selection, coordinates, null, yValueIndex, flag))
{
DataPoint dataPoint = item2.dataPoint;
Series series = dataPoint.series;
BarDrawingStyle barDrawingStyle = ChartGraphics.GetBarDrawingStyle(dataPoint);
Axis axis = area.GetAxis(AxisName.Y, series.YAxisType, series.YSubAxisName);
Axis axis2 = area.GetAxis(AxisName.X, series.XAxisType, series.XSubAxisName);
float num = 0f;
float num2 = 0f;
double yValue = GetYValue(common, area, series, item2.dataPoint, item2.index - 1, useTwoValues ? 1 : 0);
yValue = axis.GetLogValue(yValue);
if (yValue > axis.GetViewMaximum())
{
num = 0.5f;
yValue = axis.GetViewMaximum();
}
if (yValue < axis.GetViewMinimum())
{
num = 0.5f;
yValue = axis.GetViewMinimum();
}
double num3 = axis.GetLinearPosition(yValue);
double num4 = 0.0;
if (useTwoValues)
{
double num5 = axis.GetLogValue(GetYValue(common, area, series, dataPoint, item2.index - 1, 0));
if (num5 > axis.GetViewMaximum())
{
num2 = 0.5f;
num5 = axis.GetViewMaximum();
}
else if (num5 < axis.GetViewMinimum())
{
num2 = 0.5f;
num5 = axis.GetViewMinimum();
}
num4 = axis.GetLinearPosition(num5);
}
else
{
num4 = axis.GetPosition(axis.Crossing);
}
if (!flag)
{
item2.xPosition = item2.xCenterVal;
}
ShiftedX = item2.xPosition - item2.xCenterVal;
if (num3 < num4 && num4 - num3 < (double)relativeSize.Height)
{
num3 = num4 - (double)relativeSize.Height;
}
if (num3 > num4 && num3 - num4 < (double)relativeSize.Height)
{
num3 = num4 + (double)relativeSize.Height;
}
RectangleF empty = RectangleF.Empty;
try
{
empty.X = (float)(item2.xPosition - item2.width / 2.0);
empty.Width = (float)item2.width;
if (num4 < num3)
{
float num6 = num2;
num2 = num;
num = num6;
empty.Y = (float)num4;
empty.Height = (float)num3 - empty.Y;
}
else
{
empty.Y = (float)num3;
empty.Height = (float)num4 - empty.Y;
}
}
catch (Exception)
{
continue;
}
GraphicsPath graphicsPath = null;
double yValue2 = item2.indexedSeries ? ((double)item2.index) : dataPoint.XValue;
yValue2 = axis2.GetLogValue(yValue2);
if (yValue2 < axis2.GetViewMinimum() || yValue2 > axis2.GetViewMaximum())
{
continue;
}
bool flag2 = false;
if (empty.Right <= area.PlotAreaPosition.X || empty.X >= area.PlotAreaPosition.Right())
{
continue;
}
if (empty.X < area.PlotAreaPosition.X)
{
empty.Width -= area.PlotAreaPosition.X - empty.X;
empty.X = area.PlotAreaPosition.X;
}
if (empty.Right > area.PlotAreaPosition.Right())
{
empty.Width -= empty.Right - area.PlotAreaPosition.Right();
}
if (empty.Width < 0f)
{
empty.Width = 0f;
}
DrawingOperationTypes drawingOperationTypes = DrawingOperationTypes.DrawElement;
if (common.ProcessModeRegions)
{
drawingOperationTypes |= DrawingOperationTypes.CalcElementPath;
}
if (!dataPoint.Empty && empty.Height > 0f && empty.Width > 0f)
{
graph.StartHotRegion(dataPoint);
Init3DAnimation(common, empty, item2.zPosition, item2.depth, area.matrix3D, graph, yValue < axis2.Crossing, dataPoint);
graph.StartAnimation();
graphicsPath = graph.Fill3DRectangle(empty, item2.zPosition, item2.depth, area.matrix3D, area.Area3DStyle.Light, dataPoint.Color, num, num2, dataPoint.BackHatchStyle, dataPoint.BackImage, dataPoint.BackImageMode, dataPoint.BackImageTransparentColor, dataPoint.BackImageAlign, dataPoint.BackGradientType, dataPoint.BackGradientEndColor, dataPoint.BorderColor, dataPoint.BorderWidth, dataPoint.BorderStyle, PenAlignment.Inset, barDrawingStyle, veticalOrientation: true, drawingOperationTypes);
graph.StopAnimation();
graph.EndHotRegion();
if (common.ProcessModeRegions && !labels)
{
common.HotRegionsList.AddHotRegion(graphicsPath, relativePath: false, graph, dataPoint, series.Name, item2.index - 1);
}
}
if (flag2)
{
graph.ResetClip();
}
ProcessSinglePoint3D(item2, selection, graph, common, area, empty, item2.index - 1);
}
DrawAccumulated3DLabels(graph, common, area);
}
protected override GraphicsPath Draw3DSurface(ChartArea area, ChartGraphics graph, Matrix3D matrix, LightStyle lightStyle, DataPoint3D prevDataPointEx, float positionZ, float depth, ArrayList points, int pointIndex, int pointLoopIndex, float tension, DrawingOperationTypes operationType, float topDarkening, float bottomDarkening, PointF thirdPointPosition, PointF fourthPointPosition, bool clippedSegment)
{
if (pointLoopIndex != 2)
{
return(base.Draw3DSurface(area, graph, matrix, lightStyle, prevDataPointEx, positionZ, depth, points, pointIndex, pointLoopIndex, tension, operationType, topDarkening, bottomDarkening, thirdPointPosition, fourthPointPosition, clippedSegment));
}
DataPoint3D dataPoint3D = (DataPoint3D)points[pointIndex];
if (dataPoint3D.index == 2)
{
int num = 0;
DataPoint3D pointEx = ChartGraphics3D.FindPointByIndex(points, dataPoint3D.index - 1, dataPoint3D, ref num);
this.DrawLabels3D(area, graph, area.Common, pointEx, positionZ, depth);
}
this.DrawLabels3D(area, graph, area.Common, dataPoint3D, positionZ, depth);
return(new GraphicsPath());
}
protected override GraphicsPath Draw3DSurface(DataPoint3D firstPoint, DataPoint3D secondPoint, bool reversed, ChartArea area, ChartGraphics graph, Matrix3D matrix, LightStyle lightStyle, DataPoint3D prevDataPointEx, float positionZ, float depth, ArrayList points, int pointIndex, int pointLoopIndex, float tension, DrawingOperationTypes operationType, LineSegmentType surfaceSegmentType, float topDarkening, float bottomDarkening, PointF thirdPointPosition, PointF fourthPointPosition, bool clippedSegment, bool clipOnTop, bool clipOnBottom)
{
GraphicsPath graphicsPath = ((operationType & DrawingOperationTypes.CalcElementPath) == DrawingOperationTypes.CalcElementPath) ? new GraphicsPath() : null;
if (Math.Round(firstPoint.xPosition, 3) == Math.Round(secondPoint.xPosition, 3) && Math.Round(firstPoint.yPosition, 3) == Math.Round(secondPoint.yPosition, 3))
{
return(graphicsPath);
}
DataPoint3D dataPoint3D = secondPoint;
if (prevDataPointEx.dataPoint.Empty)
{
dataPoint3D = prevDataPointEx;
}
else if (firstPoint.index > secondPoint.index)
{
dataPoint3D = firstPoint;
}
Color color = base.useBorderColor ? dataPoint3D.dataPoint.BorderColor : dataPoint3D.dataPoint.Color;
ChartDashStyle borderStyle = dataPoint3D.dataPoint.BorderStyle;
if (dataPoint3D.dataPoint.Empty && dataPoint3D.dataPoint.Color == Color.Empty)
{
color = Color.Gray;
}
if (dataPoint3D.dataPoint.Empty && dataPoint3D.dataPoint.BorderStyle == ChartDashStyle.NotSet)
{
borderStyle = ChartDashStyle.Solid;
}
float num = (float)Math.Round(base.vAxis.GetPosition(base.vAxis.Crossing), 3);
float num2 = (float)Math.Min(firstPoint.xPosition, secondPoint.xPosition);
float val = (float)Math.Min(firstPoint.yPosition, secondPoint.yPosition);
val = Math.Min(val, num);
float num3 = (float)Math.Max(firstPoint.xPosition, secondPoint.xPosition);
float val2 = (float)Math.Max(firstPoint.yPosition, secondPoint.yPosition);
val2 = Math.Max(val2, num);
RectangleF position = new RectangleF(num2, val, num3 - num2, val2 - val);
SurfaceNames surfaceNames = graph.GetVisibleSurfaces(position, positionZ, depth, matrix);
bool upSideDown = false;
if ((decimal)firstPoint.yPosition >= (decimal)num && (decimal)secondPoint.yPosition >= (decimal)num)
{
upSideDown = true;
bool flag = (surfaceNames & SurfaceNames.Top) == SurfaceNames.Top;
bool flag2 = (surfaceNames & SurfaceNames.Bottom) == SurfaceNames.Bottom;
surfaceNames ^= SurfaceNames.Bottom;
surfaceNames ^= SurfaceNames.Top;
if (flag)
{
surfaceNames |= SurfaceNames.Bottom;
}
if (flag2)
{
surfaceNames |= SurfaceNames.Top;
}
}
this.GetTopSurfaceVisibility(area, firstPoint, secondPoint, upSideDown, positionZ, depth, matrix, ref surfaceNames);
PointF pointF = default(PointF);
PointF pointF2 = default(PointF);
this.GetBottomPointsPosition(base.common, area, num, ref firstPoint, ref secondPoint, thirdPointPosition, fourthPointPosition, out pointF, out pointF2);
if (!float.IsNaN(thirdPointPosition.Y))
{
pointF.Y = thirdPointPosition.Y;
}
if (!float.IsNaN(fourthPointPosition.Y))
{
pointF2.Y = fourthPointPosition.Y;
}
if (!float.IsNaN(pointF.X) && !float.IsNaN(pointF.Y) && !float.IsNaN(pointF2.X) && !float.IsNaN(pointF2.Y))
{
if (clipOnTop && base.ClipTopPoints(graphicsPath, ref firstPoint, ref secondPoint, reversed, area, graph, matrix, lightStyle, prevDataPointEx, positionZ, depth, points, pointIndex, pointLoopIndex, tension, operationType, surfaceSegmentType, topDarkening, bottomDarkening))
{
return(graphicsPath);
}
if (clipOnBottom && base.ClipBottomPoints(graphicsPath, ref firstPoint, ref secondPoint, ref pointF, ref pointF2, reversed, area, graph, matrix, lightStyle, prevDataPointEx, positionZ, depth, points, pointIndex, pointLoopIndex, tension, operationType, surfaceSegmentType, topDarkening, bottomDarkening))
{
return(graphicsPath);
}
if (Math.Round((decimal)firstPoint.yPosition, 3) > (decimal)num + 0.001m && Math.Round((decimal)secondPoint.yPosition, 3) < (decimal)num - 0.001m)
{
goto IL_03d1;
}
if (Math.Round((decimal)firstPoint.yPosition, 3) < (decimal)num - 0.001m && Math.Round((decimal)secondPoint.yPosition, 3) > (decimal)num + 0.001m)
{
goto IL_03d1;
}
if (Math.Round(firstPoint.xPosition, 3) == Math.Round(secondPoint.xPosition, 3) && Math.Round(firstPoint.yPosition, 3) == Math.Round(secondPoint.yPosition, 3))
{
return(graphicsPath);
}
for (int i = 1; i <= 2; i++)
{
SurfaceNames[] array = new SurfaceNames[6]
{
SurfaceNames.Back,
SurfaceNames.Bottom,
SurfaceNames.Top,
SurfaceNames.Left,
SurfaceNames.Right,
SurfaceNames.Front
};
LineSegmentType lineSegmentType = LineSegmentType.Middle;
SurfaceNames[] array2 = array;
foreach (SurfaceNames surfaceNames2 in array2)
{
if (ChartGraphics3D.ShouldDrawLineChartSurface(area, area.reverseSeriesOrder, surfaceNames2, surfaceNames, color, points, firstPoint, secondPoint, base.multiSeries, reversed, ref lineSegmentType) == i)
{
if (base.allPointsLoopsNumber == 2 && (operationType & DrawingOperationTypes.DrawElement) == DrawingOperationTypes.DrawElement)
{
if (pointLoopIndex == 0 && (surfaceNames2 == SurfaceNames.Front || (i == 2 && (surfaceNames2 == SurfaceNames.Left || surfaceNames2 == SurfaceNames.Right))))
{
continue;
}
if (pointLoopIndex == 1)
{
switch (surfaceNames2)
{
case SurfaceNames.Front:
goto IL_05fc;
}
if (i != 1 && (surfaceNames2 == SurfaceNames.Left || surfaceNames2 == SurfaceNames.Right))
{
goto IL_05fc;
}
continue;
}
}
goto IL_05fc;
}
continue;
IL_05fc:
Color color2 = color;
Color color3 = dataPoint3D.dataPoint.BorderColor;
if (i == 1)
{
if (color2.A == 255)
{
continue;
}
color2 = Color.Transparent;
if (color3 == Color.Empty)
{
color3 = ChartGraphics.GetGradientColor(color, Color.Black, 0.2);
}
}
bool flag3 = base.showPointLines;
if (surfaceSegmentType == LineSegmentType.Middle)
{
flag3 = false;
}
if (!clippedSegment || surfaceNames2 == SurfaceNames.Top || surfaceNames2 == SurfaceNames.Bottom)
{
GraphicsPath graphicsPath2 = null;
switch (surfaceNames2)
{
case SurfaceNames.Top:
{
Color backColor = (topDarkening == 0.0) ? color2 : ChartGraphics.GetGradientColor(color2, Color.Black, (double)topDarkening);
Color borderColor = (topDarkening == 0.0) ? color3 : ChartGraphics.GetGradientColor(color3, Color.Black, (double)topDarkening);
graphicsPath2 = graph.Draw3DSurface(area, matrix, lightStyle, surfaceNames2, positionZ, depth, backColor, borderColor, dataPoint3D.dataPoint.BorderWidth, borderStyle, firstPoint, secondPoint, points, pointIndex, 0f, operationType, surfaceSegmentType, flag3, false, area.reverseSeriesOrder, base.multiSeries, 0, true);
break;
}
case SurfaceNames.Bottom:
{
DataPoint3D dataPoint3D9 = new DataPoint3D();
dataPoint3D9.index = firstPoint.index;
dataPoint3D9.dataPoint = firstPoint.dataPoint;
dataPoint3D9.xPosition = firstPoint.xPosition;
dataPoint3D9.yPosition = (double)pointF.Y;
DataPoint3D dataPoint3D10 = new DataPoint3D();
dataPoint3D10.index = secondPoint.index;
dataPoint3D10.dataPoint = secondPoint.dataPoint;
dataPoint3D10.xPosition = secondPoint.xPosition;
dataPoint3D10.yPosition = (double)pointF2.Y;
Color backColor2 = (bottomDarkening == 0.0) ? color2 : ChartGraphics.GetGradientColor(color2, Color.Black, (double)topDarkening);
Color borderColor2 = (bottomDarkening == 0.0) ? color3 : ChartGraphics.GetGradientColor(color3, Color.Black, (double)topDarkening);
graphicsPath2 = graph.Draw3DSurface(area, matrix, lightStyle, surfaceNames2, positionZ, depth, backColor2, borderColor2, dataPoint3D.dataPoint.BorderWidth, borderStyle, dataPoint3D9, dataPoint3D10, points, pointIndex, 0f, operationType, surfaceSegmentType, flag3, false, area.reverseSeriesOrder, base.multiSeries, 0, true);
break;
}
case SurfaceNames.Left:
{
if (surfaceSegmentType != 0 && (area.reverseSeriesOrder || surfaceSegmentType != LineSegmentType.First))
{
if (!area.reverseSeriesOrder)
{
break;
}
if (surfaceSegmentType != LineSegmentType.Last)
{
break;
}
}
DataPoint3D dataPoint3D4 = (firstPoint.xPosition <= secondPoint.xPosition) ? firstPoint : secondPoint;
DataPoint3D dataPoint3D5 = new DataPoint3D();
dataPoint3D5.index = dataPoint3D4.index;
dataPoint3D5.dataPoint = dataPoint3D4.dataPoint;
dataPoint3D5.xPosition = dataPoint3D4.xPosition;
dataPoint3D5.yPosition = (double)((firstPoint.xPosition <= secondPoint.xPosition) ? pointF.Y : pointF2.Y);
DataPoint3D dataPoint3D6 = new DataPoint3D();
dataPoint3D6.index = dataPoint3D4.index;
dataPoint3D6.dataPoint = dataPoint3D4.dataPoint;
dataPoint3D6.xPosition = dataPoint3D4.xPosition;
dataPoint3D6.yPosition = dataPoint3D4.yPosition;
graphicsPath2 = graph.Draw3DSurface(area, matrix, lightStyle, surfaceNames2, positionZ, depth, color2, color3, dataPoint3D.dataPoint.BorderWidth, borderStyle, dataPoint3D5, dataPoint3D6, points, pointIndex, 0f, operationType, LineSegmentType.Single, true, true, area.reverseSeriesOrder, base.multiSeries, 0, true);
break;
}
case SurfaceNames.Right:
{
if (surfaceSegmentType != 0 && (area.reverseSeriesOrder || surfaceSegmentType != LineSegmentType.Last))
{
if (!area.reverseSeriesOrder)
{
break;
}
if (surfaceSegmentType != LineSegmentType.First)
{
break;
}
}
DataPoint3D dataPoint3D11 = (secondPoint.xPosition >= firstPoint.xPosition) ? secondPoint : firstPoint;
DataPoint3D dataPoint3D12 = new DataPoint3D();
dataPoint3D12.index = dataPoint3D11.index;
dataPoint3D12.dataPoint = dataPoint3D11.dataPoint;
dataPoint3D12.xPosition = dataPoint3D11.xPosition;
dataPoint3D12.yPosition = (double)((secondPoint.xPosition >= firstPoint.xPosition) ? pointF2.Y : pointF.Y);
DataPoint3D dataPoint3D13 = new DataPoint3D();
dataPoint3D13.index = dataPoint3D11.index;
dataPoint3D13.dataPoint = dataPoint3D11.dataPoint;
dataPoint3D13.xPosition = dataPoint3D11.xPosition;
dataPoint3D13.yPosition = dataPoint3D11.yPosition;
graphicsPath2 = graph.Draw3DSurface(area, matrix, lightStyle, surfaceNames2, positionZ, depth, color2, color3, dataPoint3D.dataPoint.BorderWidth, borderStyle, dataPoint3D12, dataPoint3D13, points, pointIndex, 0f, operationType, LineSegmentType.Single, true, true, area.reverseSeriesOrder, base.multiSeries, 0, true);
break;
}
case SurfaceNames.Back:
{
DataPoint3D dataPoint3D7 = new DataPoint3D();
dataPoint3D7.index = firstPoint.index;
dataPoint3D7.dataPoint = firstPoint.dataPoint;
dataPoint3D7.xPosition = firstPoint.xPosition;
dataPoint3D7.yPosition = (double)pointF.Y;
DataPoint3D dataPoint3D8 = new DataPoint3D();
dataPoint3D8.index = secondPoint.index;
dataPoint3D8.dataPoint = secondPoint.dataPoint;
dataPoint3D8.xPosition = secondPoint.xPosition;
dataPoint3D8.yPosition = (double)pointF2.Y;
SurfaceNames thinBorders2 = (SurfaceNames)0;
if (flag3)
{
switch (surfaceSegmentType)
{
case LineSegmentType.Single:
thinBorders2 = (SurfaceNames.Left | SurfaceNames.Right);
break;
case LineSegmentType.First:
thinBorders2 = SurfaceNames.Left;
break;
case LineSegmentType.Last:
thinBorders2 = SurfaceNames.Right;
break;
}
}
graphicsPath2 = graph.Draw3DPolygon(area, matrix, lightStyle, surfaceNames2, positionZ, color2, color3, dataPoint3D.dataPoint.BorderWidth, borderStyle, firstPoint, secondPoint, dataPoint3D8, dataPoint3D7, points, pointIndex, 0f, operationType, lineSegmentType, thinBorders2);
break;
}
case SurfaceNames.Front:
{
DataPoint3D dataPoint3D2 = new DataPoint3D();
dataPoint3D2.index = firstPoint.index;
dataPoint3D2.dataPoint = firstPoint.dataPoint;
dataPoint3D2.xPosition = firstPoint.xPosition;
dataPoint3D2.yPosition = (double)pointF.Y;
DataPoint3D dataPoint3D3 = new DataPoint3D();
dataPoint3D3.index = secondPoint.index;
dataPoint3D3.dataPoint = secondPoint.dataPoint;
dataPoint3D3.xPosition = secondPoint.xPosition;
dataPoint3D3.yPosition = (double)pointF2.Y;
if (area.reverseSeriesOrder)
{
switch (lineSegmentType)
{
case LineSegmentType.First:
lineSegmentType = LineSegmentType.Last;
break;
case LineSegmentType.Last:
lineSegmentType = LineSegmentType.First;
break;
}
}
switch (surfaceSegmentType)
{
case LineSegmentType.First:
if (lineSegmentType == LineSegmentType.First)
{
goto default;
}
goto case LineSegmentType.Middle;
default:
if (surfaceSegmentType != LineSegmentType.Last)
{
break;
}
if (lineSegmentType == LineSegmentType.Last)
{
break;
}
goto case LineSegmentType.Middle;
case LineSegmentType.Middle:
lineSegmentType = LineSegmentType.Middle;
break;
case LineSegmentType.Single:
break;
}
SurfaceNames thinBorders = (SurfaceNames)0;
if (flag3)
{
switch (surfaceSegmentType)
{
case LineSegmentType.Single:
thinBorders = (SurfaceNames.Left | SurfaceNames.Right);
break;
case LineSegmentType.First:
thinBorders = SurfaceNames.Left;
break;
case LineSegmentType.Last:
thinBorders = SurfaceNames.Right;
break;
}
}
graphicsPath2 = graph.Draw3DPolygon(area, matrix, lightStyle, surfaceNames2, positionZ + depth, color2, color3, dataPoint3D.dataPoint.BorderWidth, borderStyle, firstPoint, secondPoint, dataPoint3D3, dataPoint3D2, points, pointIndex, 0f, operationType, lineSegmentType, thinBorders);
break;
}
}
if (i == 2 && graphicsPath != null && graphicsPath2 != null && graphicsPath2.PointCount > 0)
{
graphicsPath.CloseFigure();
graphicsPath.SetMarkers();
graphicsPath.AddPath(graphicsPath2, true);
}
}
}
}
return(graphicsPath);
}
return(graphicsPath);
IL_03d1:
DataPoint3D axisIntersection = this.GetAxisIntersection(firstPoint, secondPoint, num);
for (int num4 = 0; num4 <= 1; num4++)
{
GraphicsPath graphicsPath3 = null;
if (num4 == 0 && !reversed)
{
goto IL_03f7;
}
if (num4 == 1 && reversed)
{
goto IL_03f7;
}
goto IL_045f;
IL_03f7:
axisIntersection.dataPoint = secondPoint.dataPoint;
axisIntersection.index = secondPoint.index;
graphicsPath3 = this.Draw3DSurface(firstPoint, axisIntersection, reversed, area, graph, matrix, lightStyle, prevDataPointEx, positionZ, depth, points, pointIndex, pointLoopIndex, tension, operationType, surfaceSegmentType, topDarkening, bottomDarkening, new PointF(float.NaN, float.NaN), new PointF(float.NaN, float.NaN), clippedSegment, clipOnTop, clipOnBottom);
goto IL_045f;
IL_046e:
axisIntersection.dataPoint = firstPoint.dataPoint;
axisIntersection.index = firstPoint.index;
graphicsPath3 = this.Draw3DSurface(axisIntersection, secondPoint, reversed, area, graph, matrix, lightStyle, prevDataPointEx, positionZ, depth, points, pointIndex, pointLoopIndex, tension, operationType, surfaceSegmentType, topDarkening, bottomDarkening, new PointF(float.NaN, float.NaN), new PointF(float.NaN, float.NaN), clippedSegment, clipOnTop, clipOnBottom);
goto IL_04d6;
IL_045f:
if (num4 == 1 && !reversed)
{
goto IL_046e;
}
if (num4 == 0 && reversed)
{
goto IL_046e;
}
goto IL_04d6;
IL_04d6:
if (graphicsPath != null && graphicsPath3 != null && graphicsPath3.PointCount > 0)
{
graphicsPath.AddPath(graphicsPath3, true);
}
}
return(graphicsPath);
}
/// <summary>
/// Draws strip line in 3d.
/// </summary>
/// <param name="graph">Chart graphics.</param>
/// <param name="rect">Strip rectangle.</param>
/// <param name="horizontal">Indicates that strip is horizontal</param>
private void Draw3DStrip(ChartGraphics graph, RectangleF rect, bool horizontal)
{
ChartArea area = this.Axis.ChartArea;
GraphicsPath path = null;
DrawingOperationTypes operationType = DrawingOperationTypes.DrawElement;
if (this.Axis.Common.ProcessModeRegions)
{
operationType |= DrawingOperationTypes.CalcElementPath;
}
// Draw strip on the back/front wall
path = graph.Fill3DRectangle(
rect,
area.IsMainSceneWallOnFront() ? area.areaSceneDepth : 0f,
0,
area.matrix3D,
area.Area3DStyle.LightStyle,
this.BackColor,
this.BorderColor,
this.BorderWidth,
this.BorderDashStyle,
operationType);
if (this.Axis.Common.ProcessModeRegions)
{
this.Axis.Common.HotRegionsList.AddHotRegion(graph, path, false, this.ToolTip, null, null, null, this, ChartElementType.StripLines);
}
if (horizontal)
{
// Draw strip on the side wall (left or right)
if (!area.IsSideSceneWallOnLeft())
{
rect.X = rect.Right;
}
rect.Width = 0f;
path = graph.Fill3DRectangle(
rect,
0f,
area.areaSceneDepth,
area.matrix3D,
area.Area3DStyle.LightStyle,
this.BackColor,
this.BorderColor,
this.BorderWidth,
this.BorderDashStyle,
operationType);
}
else if (area.IsBottomSceneWallVisible())
{
// Draw strip on the bottom wall (if visible)
rect.Y = rect.Bottom;
rect.Height = 0f;
path = graph.Fill3DRectangle(
rect,
0f,
area.areaSceneDepth,
area.matrix3D,
area.Area3DStyle.LightStyle,
this.BackColor,
this.BorderColor,
this.BorderWidth,
this.BorderDashStyle,
operationType);
}
if (this.Axis.Common.ProcessModeRegions)
{
this.Axis.Common.HotRegionsList.AddHotRegion(graph, path, false, this.ToolTip, null, null, null, this, ChartElementType.StripLines);
}
if (path != null)
{
path.Dispose();
}
}
protected override GraphicsPath Draw3DSurface(DataPoint3D firstPoint, DataPoint3D secondPoint, bool reversed, ChartArea area, ChartGraphics graph, Matrix3D matrix, LightStyle lightStyle, DataPoint3D prevDataPointEx, float positionZ, float depth, ArrayList points, int pointIndex, int pointLoopIndex, float tension, DrawingOperationTypes operationType, LineSegmentType surfaceSegmentType, float topDarkening, float bottomDarkening, PointF thirdPointPosition, PointF fourthPointPosition, bool clippedSegment, bool clipOnTop, bool clipOnBottom)
{
GraphicsPath graphicsPath = ((operationType & DrawingOperationTypes.CalcElementPath) == DrawingOperationTypes.CalcElementPath) ? new GraphicsPath() : null;
if (Math.Round(firstPoint.xPosition, 3) == Math.Round(secondPoint.xPosition, 3) && Math.Round(firstPoint.yPosition, 3) == Math.Round(secondPoint.yPosition, 3))
{
return(graphicsPath);
}
DataPoint3D dataPoint3D = secondPoint;
if (prevDataPointEx.dataPoint.Empty)
{
dataPoint3D = prevDataPointEx;
}
else if (firstPoint.index > secondPoint.index)
{
dataPoint3D = firstPoint;
}
Color color = useBorderColor ? dataPoint3D.dataPoint.BorderColor : dataPoint3D.dataPoint.Color;
ChartDashStyle borderStyle = dataPoint3D.dataPoint.BorderStyle;
if (dataPoint3D.dataPoint.Empty && dataPoint3D.dataPoint.Color == Color.Empty)
{
color = Color.Gray;
}
if (dataPoint3D.dataPoint.Empty && dataPoint3D.dataPoint.BorderStyle == ChartDashStyle.NotSet)
{
borderStyle = ChartDashStyle.Solid;
}
float num = (float)Math.Round(vAxis.GetPosition(vAxis.Crossing), 3);
float num2 = (float)Math.Min(firstPoint.xPosition, secondPoint.xPosition);
float val = (float)Math.Min(firstPoint.yPosition, secondPoint.yPosition);
val = Math.Min(val, num);
float num3 = (float)Math.Max(firstPoint.xPosition, secondPoint.xPosition);
float val2 = (float)Math.Max(firstPoint.yPosition, secondPoint.yPosition);
val2 = Math.Max(val2, num);
RectangleF position = new RectangleF(num2, val, num3 - num2, val2 - val);
SurfaceNames visibleSurfaces = graph.GetVisibleSurfaces(position, positionZ, depth, matrix);
bool upSideDown = false;
if ((decimal)firstPoint.yPosition >= (decimal)num && (decimal)secondPoint.yPosition >= (decimal)num)
{
upSideDown = true;
bool num4 = (visibleSurfaces & SurfaceNames.Top) == SurfaceNames.Top;
bool flag = (visibleSurfaces & SurfaceNames.Bottom) == SurfaceNames.Bottom;
visibleSurfaces ^= SurfaceNames.Bottom;
visibleSurfaces ^= SurfaceNames.Top;
if (num4)
{
visibleSurfaces |= SurfaceNames.Bottom;
}
if (flag)
{
visibleSurfaces |= SurfaceNames.Top;
}
}
GetTopSurfaceVisibility(area, firstPoint, secondPoint, upSideDown, positionZ, depth, matrix, ref visibleSurfaces);
GetBottomPointsPosition(common, area, num, ref firstPoint, ref secondPoint, thirdPointPosition, fourthPointPosition, out PointF thirdPoint, out PointF fourthPoint);
if (!float.IsNaN(thirdPointPosition.Y))
{
thirdPoint.Y = thirdPointPosition.Y;
}
if (!float.IsNaN(fourthPointPosition.Y))
{
fourthPoint.Y = fourthPointPosition.Y;
}
if (float.IsNaN(thirdPoint.X) || float.IsNaN(thirdPoint.Y) || float.IsNaN(fourthPoint.X) || float.IsNaN(fourthPoint.Y))
{
return(graphicsPath);
}
if (clipOnTop && ClipTopPoints(graphicsPath, ref firstPoint, ref secondPoint, reversed, area, graph, matrix, lightStyle, prevDataPointEx, positionZ, depth, points, pointIndex, pointLoopIndex, tension, operationType, surfaceSegmentType, topDarkening, bottomDarkening))
{
return(graphicsPath);
}
if (clipOnBottom && ClipBottomPoints(graphicsPath, ref firstPoint, ref secondPoint, ref thirdPoint, ref fourthPoint, reversed, area, graph, matrix, lightStyle, prevDataPointEx, positionZ, depth, points, pointIndex, pointLoopIndex, tension, operationType, surfaceSegmentType, topDarkening, bottomDarkening))
{
return(graphicsPath);
}
if ((Math.Round((decimal)firstPoint.yPosition, 3) > (decimal)num + 0.001m && Math.Round((decimal)secondPoint.yPosition, 3) < (decimal)num - 0.001m) || (Math.Round((decimal)firstPoint.yPosition, 3) < (decimal)num - 0.001m && Math.Round((decimal)secondPoint.yPosition, 3) > (decimal)num + 0.001m))
{
DataPoint3D axisIntersection = GetAxisIntersection(firstPoint, secondPoint, num);
for (int i = 0; i <= 1; i++)
{
GraphicsPath graphicsPath2 = null;
if ((i == 0 && !reversed) || (i == 1 && reversed))
{
axisIntersection.dataPoint = secondPoint.dataPoint;
axisIntersection.index = secondPoint.index;
graphicsPath2 = Draw3DSurface(firstPoint, axisIntersection, reversed, area, graph, matrix, lightStyle, prevDataPointEx, positionZ, depth, points, pointIndex, pointLoopIndex, tension, operationType, surfaceSegmentType, topDarkening, bottomDarkening, new PointF(float.NaN, float.NaN), new PointF(float.NaN, float.NaN), clippedSegment, clipOnTop, clipOnBottom);
}
if ((i == 1 && !reversed) || (i == 0 && reversed))
{
axisIntersection.dataPoint = firstPoint.dataPoint;
axisIntersection.index = firstPoint.index;
graphicsPath2 = Draw3DSurface(axisIntersection, secondPoint, reversed, area, graph, matrix, lightStyle, prevDataPointEx, positionZ, depth, points, pointIndex, pointLoopIndex, tension, operationType, surfaceSegmentType, topDarkening, bottomDarkening, new PointF(float.NaN, float.NaN), new PointF(float.NaN, float.NaN), clippedSegment, clipOnTop, clipOnBottom);
}
if (graphicsPath != null && graphicsPath2 != null && graphicsPath2.PointCount > 0)
{
graphicsPath.AddPath(graphicsPath2, connect: true);
}
}
return(graphicsPath);
}
if (Math.Round(firstPoint.xPosition, 3) == Math.Round(secondPoint.xPosition, 3) && Math.Round(firstPoint.yPosition, 3) == Math.Round(secondPoint.yPosition, 3))
{
return(graphicsPath);
}
for (int j = 1; j <= 2; j++)
{
SurfaceNames[] obj = new SurfaceNames[6]
{
SurfaceNames.Back,
SurfaceNames.Bottom,
SurfaceNames.Top,
SurfaceNames.Left,
SurfaceNames.Right,
SurfaceNames.Front
};
LineSegmentType lineSegmentType = LineSegmentType.Middle;
SurfaceNames[] array = obj;
foreach (SurfaceNames surfaceNames in array)
{
if (ChartGraphics3D.ShouldDrawLineChartSurface(area, area.reverseSeriesOrder, surfaceNames, visibleSurfaces, color, points, firstPoint, secondPoint, multiSeries, reversed, ref lineSegmentType) != j || (allPointsLoopsNumber == 2 && (operationType & DrawingOperationTypes.DrawElement) == DrawingOperationTypes.DrawElement && ((pointLoopIndex == 0 && (surfaceNames == SurfaceNames.Front || (j == 2 && (surfaceNames == SurfaceNames.Left || surfaceNames == SurfaceNames.Right)))) || (pointLoopIndex == 1 && (surfaceNames == SurfaceNames.Back || surfaceNames != SurfaceNames.Front) && (j == 1 || (surfaceNames != SurfaceNames.Left && surfaceNames != SurfaceNames.Right))))))
{
continue;
}
Color color2 = color;
Color color3 = dataPoint3D.dataPoint.BorderColor;
if (j == 1)
{
if (color2.A == byte.MaxValue)
{
continue;
}
color2 = Color.Transparent;
if (color3 == Color.Empty)
{
color3 = ChartGraphics.GetGradientColor(color, Color.Black, 0.2);
}
}
bool flag2 = showPointLines;
if (surfaceSegmentType == LineSegmentType.Middle)
{
flag2 = false;
}
if (clippedSegment && surfaceNames != SurfaceNames.Top && surfaceNames != SurfaceNames.Bottom)
{
continue;
}
GraphicsPath graphicsPath3 = null;
switch (surfaceNames)
{
case SurfaceNames.Top:
{
Color backColor = (topDarkening == 0f) ? color2 : ChartGraphics.GetGradientColor(color2, Color.Black, topDarkening);
Color borderColor = (topDarkening == 0f) ? color3 : ChartGraphics.GetGradientColor(color3, Color.Black, topDarkening);
graphicsPath3 = graph.Draw3DSurface(area, matrix, lightStyle, surfaceNames, positionZ, depth, backColor, borderColor, dataPoint3D.dataPoint.BorderWidth, borderStyle, firstPoint, secondPoint, points, pointIndex, 0f, operationType, surfaceSegmentType, flag2, forceThickBorder: false, area.reverseSeriesOrder, multiSeries, 0, clipInsideArea: true);
break;
}
case SurfaceNames.Bottom:
{
DataPoint3D dataPoint3D12 = new DataPoint3D();
dataPoint3D12.index = firstPoint.index;
dataPoint3D12.dataPoint = firstPoint.dataPoint;
dataPoint3D12.xPosition = firstPoint.xPosition;
dataPoint3D12.yPosition = thirdPoint.Y;
DataPoint3D dataPoint3D13 = new DataPoint3D();
dataPoint3D13.index = secondPoint.index;
dataPoint3D13.dataPoint = secondPoint.dataPoint;
dataPoint3D13.xPosition = secondPoint.xPosition;
dataPoint3D13.yPosition = fourthPoint.Y;
Color backColor2 = (bottomDarkening == 0f) ? color2 : ChartGraphics.GetGradientColor(color2, Color.Black, topDarkening);
Color borderColor2 = (bottomDarkening == 0f) ? color3 : ChartGraphics.GetGradientColor(color3, Color.Black, topDarkening);
graphicsPath3 = graph.Draw3DSurface(area, matrix, lightStyle, surfaceNames, positionZ, depth, backColor2, borderColor2, dataPoint3D.dataPoint.BorderWidth, borderStyle, dataPoint3D12, dataPoint3D13, points, pointIndex, 0f, operationType, surfaceSegmentType, flag2, forceThickBorder: false, area.reverseSeriesOrder, multiSeries, 0, clipInsideArea: true);
break;
}
case SurfaceNames.Left:
if (surfaceSegmentType == LineSegmentType.Single || (!area.reverseSeriesOrder && surfaceSegmentType == LineSegmentType.First) || (area.reverseSeriesOrder && surfaceSegmentType == LineSegmentType.Last))
{
DataPoint3D dataPoint3D4 = (firstPoint.xPosition <= secondPoint.xPosition) ? firstPoint : secondPoint;
DataPoint3D dataPoint3D5 = new DataPoint3D();
dataPoint3D5.index = dataPoint3D4.index;
dataPoint3D5.dataPoint = dataPoint3D4.dataPoint;
dataPoint3D5.xPosition = dataPoint3D4.xPosition;
dataPoint3D5.yPosition = ((firstPoint.xPosition <= secondPoint.xPosition) ? thirdPoint.Y : fourthPoint.Y);
DataPoint3D dataPoint3D6 = new DataPoint3D();
dataPoint3D6.index = dataPoint3D4.index;
dataPoint3D6.dataPoint = dataPoint3D4.dataPoint;
dataPoint3D6.xPosition = dataPoint3D4.xPosition;
dataPoint3D6.yPosition = dataPoint3D4.yPosition;
graphicsPath3 = graph.Draw3DSurface(area, matrix, lightStyle, surfaceNames, positionZ, depth, color2, color3, dataPoint3D.dataPoint.BorderWidth, borderStyle, dataPoint3D5, dataPoint3D6, points, pointIndex, 0f, operationType, LineSegmentType.Single, forceThinBorder: true, forceThickBorder: true, area.reverseSeriesOrder, multiSeries, 0, clipInsideArea: true);
}
break;
case SurfaceNames.Right:
if (surfaceSegmentType == LineSegmentType.Single || (!area.reverseSeriesOrder && surfaceSegmentType == LineSegmentType.Last) || (area.reverseSeriesOrder && surfaceSegmentType == LineSegmentType.First))
{
DataPoint3D dataPoint3D9 = (secondPoint.xPosition >= firstPoint.xPosition) ? secondPoint : firstPoint;
DataPoint3D dataPoint3D10 = new DataPoint3D();
dataPoint3D10.index = dataPoint3D9.index;
dataPoint3D10.dataPoint = dataPoint3D9.dataPoint;
dataPoint3D10.xPosition = dataPoint3D9.xPosition;
dataPoint3D10.yPosition = ((secondPoint.xPosition >= firstPoint.xPosition) ? fourthPoint.Y : thirdPoint.Y);
DataPoint3D dataPoint3D11 = new DataPoint3D();
dataPoint3D11.index = dataPoint3D9.index;
dataPoint3D11.dataPoint = dataPoint3D9.dataPoint;
dataPoint3D11.xPosition = dataPoint3D9.xPosition;
dataPoint3D11.yPosition = dataPoint3D9.yPosition;
graphicsPath3 = graph.Draw3DSurface(area, matrix, lightStyle, surfaceNames, positionZ, depth, color2, color3, dataPoint3D.dataPoint.BorderWidth, borderStyle, dataPoint3D10, dataPoint3D11, points, pointIndex, 0f, operationType, LineSegmentType.Single, forceThinBorder: true, forceThickBorder: true, area.reverseSeriesOrder, multiSeries, 0, clipInsideArea: true);
}
break;
case SurfaceNames.Back:
{
DataPoint3D dataPoint3D7 = new DataPoint3D();
dataPoint3D7.index = firstPoint.index;
dataPoint3D7.dataPoint = firstPoint.dataPoint;
dataPoint3D7.xPosition = firstPoint.xPosition;
dataPoint3D7.yPosition = thirdPoint.Y;
DataPoint3D dataPoint3D8 = new DataPoint3D();
dataPoint3D8.index = secondPoint.index;
dataPoint3D8.dataPoint = secondPoint.dataPoint;
dataPoint3D8.xPosition = secondPoint.xPosition;
dataPoint3D8.yPosition = fourthPoint.Y;
SurfaceNames thinBorders2 = (SurfaceNames)0;
if (flag2)
{
switch (surfaceSegmentType)
{
case LineSegmentType.Single:
thinBorders2 = (SurfaceNames.Left | SurfaceNames.Right);
break;
case LineSegmentType.First:
thinBorders2 = SurfaceNames.Left;
break;
case LineSegmentType.Last:
thinBorders2 = SurfaceNames.Right;
break;
}
}
graphicsPath3 = graph.Draw3DPolygon(area, matrix, lightStyle, surfaceNames, positionZ, color2, color3, dataPoint3D.dataPoint.BorderWidth, borderStyle, firstPoint, secondPoint, dataPoint3D8, dataPoint3D7, points, pointIndex, 0f, operationType, lineSegmentType, thinBorders2);
break;
}
case SurfaceNames.Front:
{
DataPoint3D dataPoint3D2 = new DataPoint3D();
dataPoint3D2.index = firstPoint.index;
dataPoint3D2.dataPoint = firstPoint.dataPoint;
dataPoint3D2.xPosition = firstPoint.xPosition;
dataPoint3D2.yPosition = thirdPoint.Y;
DataPoint3D dataPoint3D3 = new DataPoint3D();
dataPoint3D3.index = secondPoint.index;
dataPoint3D3.dataPoint = secondPoint.dataPoint;
dataPoint3D3.xPosition = secondPoint.xPosition;
dataPoint3D3.yPosition = fourthPoint.Y;
if (area.reverseSeriesOrder)
{
switch (lineSegmentType)
{
case LineSegmentType.First:
lineSegmentType = LineSegmentType.Last;
break;
case LineSegmentType.Last:
lineSegmentType = LineSegmentType.First;
break;
}
}
if (surfaceSegmentType != 0 && (surfaceSegmentType == LineSegmentType.Middle || (surfaceSegmentType == LineSegmentType.First && lineSegmentType != LineSegmentType.First) || (surfaceSegmentType == LineSegmentType.Last && lineSegmentType != LineSegmentType.Last)))
{
lineSegmentType = LineSegmentType.Middle;
}
SurfaceNames thinBorders = (SurfaceNames)0;
if (flag2)
{
switch (surfaceSegmentType)
{
case LineSegmentType.Single:
thinBorders = (SurfaceNames.Left | SurfaceNames.Right);
break;
case LineSegmentType.First:
thinBorders = SurfaceNames.Left;
break;
case LineSegmentType.Last:
thinBorders = SurfaceNames.Right;
break;
}
}
graphicsPath3 = graph.Draw3DPolygon(area, matrix, lightStyle, surfaceNames, positionZ + depth, color2, color3, dataPoint3D.dataPoint.BorderWidth, borderStyle, firstPoint, secondPoint, dataPoint3D3, dataPoint3D2, points, pointIndex, 0f, operationType, lineSegmentType, thinBorders);
break;
}
}
if (j == 2 && graphicsPath != null && graphicsPath3 != null && graphicsPath3.PointCount > 0)
{
graphicsPath.CloseFigure();
graphicsPath.SetMarkers();
graphicsPath.AddPath(graphicsPath3, connect: true);
}
}
}
return(graphicsPath);
}
protected override GraphicsPath Draw3DSurface(ChartArea area, ChartGraphics graph, Matrix3D matrix, LightStyle lightStyle, DataPoint3D prevDataPointEx, float positionZ, float depth, ArrayList points, int pointIndex, int pointLoopIndex, float tension, DrawingOperationTypes operationType, float topDarkening, float bottomDarkening, PointF thirdPointPosition, PointF fourthPointPosition, bool clippedSegment)
{
GraphicsPath graphicsPath = ((operationType & DrawingOperationTypes.CalcElementPath) == DrawingOperationTypes.CalcElementPath) ? new GraphicsPath() : null;
if (centerPointIndex == int.MaxValue)
{
centerPointIndex = GetCenterPointIndex(points);
}
DataPoint3D dataPoint3D = (DataPoint3D)points[pointIndex];
int neighborPointIndex = pointIndex;
DataPoint3D dataPoint3D2 = ChartGraphics3D.FindPointByIndex(points, dataPoint3D.index - 1, multiSeries ? dataPoint3D : null, ref neighborPointIndex);
bool flag = false;
if (dataPoint3D2.index > dataPoint3D.index)
{
DataPoint3D dataPoint3D3 = dataPoint3D2;
dataPoint3D2 = dataPoint3D;
dataPoint3D = dataPoint3D3;
flag = true;
}
if (matrix.perspective != 0f && centerPointIndex != int.MaxValue)
{
neighborPointIndex = pointIndex;
if (pointIndex != centerPointIndex + 1)
{
dataPoint3D2 = ChartGraphics3D.FindPointByIndex(points, dataPoint3D.index - 1, multiSeries ? dataPoint3D : null, ref neighborPointIndex);
}
else if (!area.reverseSeriesOrder)
{
dataPoint3D = ChartGraphics3D.FindPointByIndex(points, dataPoint3D2.index + 1, multiSeries ? dataPoint3D : null, ref neighborPointIndex);
}
else
{
dataPoint3D2 = dataPoint3D;
dataPoint3D = ChartGraphics3D.FindPointByIndex(points, dataPoint3D.index - 1, multiSeries ? dataPoint3D : null, ref neighborPointIndex);
}
}
if (dataPoint3D2 == null || dataPoint3D == null)
{
return(graphicsPath);
}
DataPoint3D dataPoint3D4 = dataPoint3D;
if (prevDataPointEx.dataPoint.Empty)
{
dataPoint3D4 = prevDataPointEx;
}
else if (dataPoint3D2.index > dataPoint3D.index)
{
dataPoint3D4 = dataPoint3D2;
}
if (!useBorderColor)
{
_ = dataPoint3D4.dataPoint.Color;
}
else
{
_ = dataPoint3D4.dataPoint.BorderColor;
}
_ = dataPoint3D4.dataPoint.BorderStyle;
if (dataPoint3D4.dataPoint.Empty && dataPoint3D4.dataPoint.Color == Color.Empty)
{
_ = Color.Gray;
}
if (dataPoint3D4.dataPoint.Empty)
{
_ = dataPoint3D4.dataPoint.BorderStyle;
}
flag = false;
for (int i = 1; pointIndex + i < points.Count; i++)
{
DataPoint3D dataPoint3D5 = (DataPoint3D)points[pointIndex + i];
if (dataPoint3D5.dataPoint.series.Name == dataPoint3D2.dataPoint.series.Name)
{
if (dataPoint3D5.index == dataPoint3D2.index)
{
flag = true;
}
break;
}
}
if (tension != 0f)
{
GraphicsPath splineFlattenPath = graph.GetSplineFlattenPath(area, matrix, positionZ, depth, dataPoint3D2, dataPoint3D, points, pointIndex, tension, flatten: true, translateCoordinates: false, 0);
PointF[] array = null;
flag = (pointIndex < neighborPointIndex);
if (flag)
{
splineFlattenPath.Reverse();
}
array = splineFlattenPath.PathPoints;
DataPoint3D dataPoint3D6 = new DataPoint3D();
DataPoint3D dataPoint3D7 = new DataPoint3D();
LineSegmentType lineSegmentType = LineSegmentType.Middle;
for (int j = 1; j < array.Length; j++)
{
if (!flag)
{
dataPoint3D6.dataPoint = dataPoint3D2.dataPoint;
dataPoint3D6.index = dataPoint3D2.index;
dataPoint3D6.xPosition = array[j - 1].X;
dataPoint3D6.yPosition = array[j - 1].Y;
dataPoint3D7.dataPoint = dataPoint3D.dataPoint;
dataPoint3D7.index = dataPoint3D.index;
dataPoint3D7.xPosition = array[j].X;
dataPoint3D7.yPosition = array[j].Y;
}
else
{
dataPoint3D7.dataPoint = dataPoint3D2.dataPoint;
dataPoint3D7.index = dataPoint3D2.index;
dataPoint3D7.xPosition = array[j - 1].X;
dataPoint3D7.yPosition = array[j - 1].Y;
dataPoint3D6.dataPoint = dataPoint3D.dataPoint;
dataPoint3D6.index = dataPoint3D.index;
dataPoint3D6.xPosition = array[j].X;
dataPoint3D6.yPosition = array[j].Y;
}
lineSegmentType = LineSegmentType.Middle;
if (j == 1)
{
lineSegmentType = ((!flag) ? LineSegmentType.First : LineSegmentType.Last);
}
else if (j == array.Length - 1)
{
lineSegmentType = (flag ? LineSegmentType.First : LineSegmentType.Last);
}
area.IterationCounter = 0;
GraphicsPath graphicsPath2 = Draw3DSurface(dataPoint3D6, dataPoint3D7, flag, area, graph, matrix, lightStyle, prevDataPointEx, positionZ, depth, points, pointIndex, pointLoopIndex, 0f, operationType, lineSegmentType, topDarkening, bottomDarkening, new PointF(float.NaN, float.NaN), new PointF(float.NaN, float.NaN), clippedSegment, clipOnTop: true, clipOnBottom: true);
if (graphicsPath != null && graphicsPath2 != null && graphicsPath2.PointCount > 0)
{
graphicsPath.AddPath(graphicsPath2, connect: true);
}
}
return(graphicsPath);
}
return(Draw3DSurface(dataPoint3D2, dataPoint3D, flag, area, graph, matrix, lightStyle, prevDataPointEx, positionZ, depth, points, pointIndex, pointLoopIndex, tension, operationType, LineSegmentType.Single, topDarkening, bottomDarkening, thirdPointPosition, fourthPointPosition, clippedSegment, clipOnTop: true, clipOnBottom: true));
}
internal GraphicsPath Draw3DSplinePolygon(ChartGraphics graph, ChartArea area, float positionZ, Color backColor, Color borderColor, int borderWidth, ChartDashStyle borderStyle, DataPoint3D firstPoint, DataPoint3D secondPoint, DataPoint3D thirdPoint, DataPoint3D fourthPoint, ArrayList points, int pointIndex, float tension, DrawingOperationTypes operationType, LineSegmentType lineSegmentType, bool forceThinBorder)
{
if (tension == 0f)
{
SurfaceNames thinBorders = (SurfaceNames)0;
if (forceThinBorder)
{
thinBorders = (SurfaceNames.Left | SurfaceNames.Right);
}
return(graph.Draw3DPolygon(area, area.matrix3D, area.Area3DStyle.Light, SurfaceNames.Front, positionZ, backColor, borderColor, borderWidth, borderStyle, firstPoint, secondPoint, thirdPoint, fourthPoint, points, pointIndex, tension, operationType, lineSegmentType, thinBorders));
}
bool num = (operationType & DrawingOperationTypes.DrawElement) == DrawingOperationTypes.DrawElement;
GraphicsPath graphicsPath = new GraphicsPath();
GraphicsPath splineFlattenPath = graph.GetSplineFlattenPath(area, area.matrix3D, positionZ, 0f, firstPoint, secondPoint, points, pointIndex, tension, flatten: false, translateCoordinates: true, 0);
GraphicsPath splineFlattenPath2 = graph.GetSplineFlattenPath(area, area.matrix3D, positionZ, 0f, thirdPoint, fourthPoint, points, pointIndex, tension, flatten: false, translateCoordinates: true, 1);
graphicsPath.AddPath(splineFlattenPath, connect: true);
graphicsPath.AddPath(splineFlattenPath2, connect: true);
graphicsPath.CloseAllFigures();
Point3D[] array = new Point3D[3]
{
new Point3D((float)firstPoint.xPosition, (float)firstPoint.yPosition, positionZ),
new Point3D((float)secondPoint.xPosition, (float)secondPoint.yPosition, positionZ),
new Point3D((float)thirdPoint.xPosition, (float)thirdPoint.yPosition, positionZ)
};
area.matrix3D.TransformPoints(array);
bool visiblePolygon = ChartGraphics3D.IsSurfaceVisible(array[0], array[1], array[2]);
Color polygonLight = area.matrix3D.GetPolygonLight(array, backColor, visiblePolygon, area.Area3DStyle.YAngle, SurfaceNames.Front, area.reverseSeriesOrder);
Color color = borderColor;
if (color == Color.Empty)
{
color = ChartGraphics.GetGradientColor(backColor, Color.Black, 0.2);
}
Pen pen = null;
if (num)
{
SmoothingMode smoothingMode = graph.SmoothingMode;
graph.SmoothingMode = SmoothingMode.Default;
graph.FillPath(new SolidBrush(polygonLight), graphicsPath);
graph.SmoothingMode = smoothingMode;
if (forceThinBorder)
{
graph.DrawPath(new Pen(color, 1f), graphicsPath);
}
else if (polygonLight.A == byte.MaxValue)
{
graph.DrawPath(new Pen(polygonLight, 1f), graphicsPath);
}
pen = new Pen(color, borderWidth);
pen.StartCap = LineCap.Round;
pen.EndCap = LineCap.Round;
graph.DrawPath(pen, splineFlattenPath);
graph.DrawPath(pen, splineFlattenPath2);
switch (lineSegmentType)
{
case LineSegmentType.First:
graph.DrawLine(pen, splineFlattenPath.PathPoints[0], splineFlattenPath2.GetLastPoint());
break;
case LineSegmentType.Last:
graph.DrawLine(pen, splineFlattenPath.GetLastPoint(), splineFlattenPath2.PathPoints[0]);
break;
}
}
if (graphicsPath != null && pen != null)
{
ChartGraphics.Widen(graphicsPath, pen);
}
return(graphicsPath);
}
protected override GraphicsPath Draw3DSurface(DataPoint3D firstPoint, DataPoint3D secondPoint, bool reversed, ChartArea area, ChartGraphics graph, Matrix3D matrix, LightStyle lightStyle, DataPoint3D prevDataPointEx, float positionZ, float depth, ArrayList points, int pointIndex, int pointLoopIndex, float tension, DrawingOperationTypes operationType, LineSegmentType surfaceSegmentType, float topDarkening, float bottomDarkening, PointF thirdPointPosition, PointF fourthPointPosition, bool clippedSegment, bool clipOnTop, bool clipOnBottom)
{
GraphicsPath graphicsPath = ((operationType & DrawingOperationTypes.CalcElementPath) == DrawingOperationTypes.CalcElementPath) ? new GraphicsPath() : null;
DataPoint3D dataPoint3D = secondPoint;
if (prevDataPointEx.dataPoint.Empty)
{
dataPoint3D = prevDataPointEx;
}
else if (firstPoint.index > secondPoint.index)
{
dataPoint3D = firstPoint;
}
Color color = useBorderColor ? dataPoint3D.dataPoint.BorderColor : dataPoint3D.dataPoint.Color;
ChartDashStyle borderStyle = dataPoint3D.dataPoint.BorderStyle;
if (dataPoint3D.dataPoint.Empty && dataPoint3D.dataPoint.Color == Color.Empty)
{
color = Color.Gray;
}
if (dataPoint3D.dataPoint.Empty && dataPoint3D.dataPoint.BorderStyle == ChartDashStyle.NotSet)
{
borderStyle = ChartDashStyle.Solid;
}
float num = (float)vAxis.GetPosition(vAxis.Crossing);
GetBottomPointsPosition(common, area, num, ref firstPoint, ref secondPoint, out PointF thirdPoint, out PointF fourthPoint);
if (!float.IsNaN(thirdPointPosition.Y))
{
thirdPoint.Y = thirdPointPosition.Y;
}
if (!float.IsNaN(fourthPointPosition.Y))
{
fourthPoint.Y = fourthPointPosition.Y;
}
if ((firstPoint.yPosition > (double)thirdPoint.Y && secondPoint.yPosition < (double)fourthPoint.Y) || (firstPoint.yPosition < (double)thirdPoint.Y && secondPoint.yPosition > (double)fourthPoint.Y))
{
if (tension != 0f)
{
throw new InvalidOperationException(SR.Exception3DSplineY1ValueIsLessThenY2);
}
PointF linesIntersection = ChartGraphics3D.GetLinesIntersection((float)firstPoint.xPosition, (float)firstPoint.yPosition, (float)secondPoint.xPosition, (float)secondPoint.yPosition, thirdPoint.X, thirdPoint.Y, fourthPoint.X, fourthPoint.Y);
DataPoint3D dataPoint3D2 = new DataPoint3D();
dataPoint3D2.xPosition = linesIntersection.X;
dataPoint3D2.yPosition = linesIntersection.Y;
bool flag = true;
if (double.IsNaN(linesIntersection.X) || double.IsNaN(linesIntersection.Y))
{
flag = false;
}
else
{
if ((decimal)linesIntersection.X == (decimal)firstPoint.xPosition && (decimal)linesIntersection.Y == (decimal)firstPoint.yPosition)
{
flag = false;
}
if ((decimal)linesIntersection.X == (decimal)secondPoint.xPosition && (decimal)linesIntersection.Y == (decimal)secondPoint.yPosition)
{
flag = false;
}
}
if (flag)
{
reversed = false;
if (pointIndex + 1 < points.Count && ((DataPoint3D)points[pointIndex + 1]).index == firstPoint.index)
{
reversed = true;
}
for (int i = 0; i <= 1; i++)
{
GraphicsPath graphicsPath2 = null;
if ((i == 0 && !reversed) || (i == 1 && reversed))
{
fourthPointY2Value = (float)dataPoint3D2.yPosition;
dataPoint3D2.dataPoint = secondPoint.dataPoint;
dataPoint3D2.index = secondPoint.index;
graphicsPath2 = Draw3DSurface(firstPoint, dataPoint3D2, reversed, area, graph, matrix, lightStyle, prevDataPointEx, positionZ, depth, points, pointIndex, pointLoopIndex, tension, operationType, surfaceSegmentType, topDarkening, bottomDarkening, new PointF(float.NaN, float.NaN), new PointF(float.NaN, float.NaN), clippedSegment, clipOnTop: true, clipOnBottom: true);
}
if ((i == 1 && !reversed) || (i == 0 && reversed))
{
thirdPointY2Value = (float)dataPoint3D2.yPosition;
dataPoint3D2.dataPoint = firstPoint.dataPoint;
dataPoint3D2.index = firstPoint.index;
graphicsPath2 = Draw3DSurface(dataPoint3D2, secondPoint, reversed, area, graph, matrix, lightStyle, prevDataPointEx, positionZ, depth, points, pointIndex, pointLoopIndex, tension, operationType, surfaceSegmentType, topDarkening, bottomDarkening, new PointF(float.NaN, float.NaN), new PointF(float.NaN, float.NaN), clippedSegment, clipOnTop: true, clipOnBottom: true);
}
if (graphicsPath != null && graphicsPath2 != null && graphicsPath2.PointCount > 0)
{
graphicsPath.AddPath(graphicsPath2, connect: true);
}
thirdPointY2Value = float.NaN;
fourthPointY2Value = float.NaN;
}
return(graphicsPath);
}
}
float num2 = (float)Math.Min(firstPoint.xPosition, secondPoint.xPosition);
float val = (float)Math.Min(firstPoint.yPosition, secondPoint.yPosition);
val = Math.Min(val, num);
float num3 = (float)Math.Max(firstPoint.xPosition, secondPoint.xPosition);
float val2 = (float)Math.Max(firstPoint.yPosition, secondPoint.yPosition);
val2 = Math.Max(val2, num);
RectangleF position = new RectangleF(num2, val, num3 - num2, val2 - val);
SurfaceNames visibleSurfaces = graph.GetVisibleSurfaces(position, positionZ, depth, matrix);
bool upSideDown = false;
if (firstPoint.yPosition >= (double)thirdPoint.Y && secondPoint.yPosition >= (double)fourthPoint.Y)
{
upSideDown = true;
bool num4 = (visibleSurfaces & SurfaceNames.Top) == SurfaceNames.Top;
bool flag2 = (visibleSurfaces & SurfaceNames.Bottom) == SurfaceNames.Bottom;
visibleSurfaces ^= SurfaceNames.Bottom;
visibleSurfaces ^= SurfaceNames.Top;
if (num4)
{
visibleSurfaces |= SurfaceNames.Bottom;
}
if (flag2)
{
visibleSurfaces |= SurfaceNames.Top;
}
}
GetTopSurfaceVisibility(area, firstPoint, secondPoint, upSideDown, positionZ, depth, matrix, ref visibleSurfaces);
bool flag3 = true;
if (tension != 0f)
{
if ((visibleSurfaces & SurfaceNames.Bottom) == SurfaceNames.Bottom)
{
flag3 = false;
}
if ((visibleSurfaces & SurfaceNames.Bottom) == 0 && (visibleSurfaces & SurfaceNames.Top) == 0)
{
flag3 = false;
}
visibleSurfaces |= SurfaceNames.Bottom;
visibleSurfaces |= SurfaceNames.Top;
}
firstPoint.xPosition = Math.Round(firstPoint.xPosition, 5);
firstPoint.yPosition = Math.Round(firstPoint.yPosition, 5);
secondPoint.xPosition = Math.Round(secondPoint.xPosition, 5);
secondPoint.yPosition = Math.Round(secondPoint.yPosition, 5);
if (ClipTopPoints(graphicsPath, ref firstPoint, ref secondPoint, reversed, area, graph, matrix, lightStyle, prevDataPointEx, positionZ, depth, points, pointIndex, pointLoopIndex, tension, operationType, surfaceSegmentType, topDarkening, bottomDarkening))
{
return(graphicsPath);
}
if (ClipBottomPoints(graphicsPath, ref firstPoint, ref secondPoint, ref thirdPoint, ref fourthPoint, reversed, area, graph, matrix, lightStyle, prevDataPointEx, positionZ, depth, points, pointIndex, pointLoopIndex, tension, operationType, surfaceSegmentType, topDarkening, bottomDarkening))
{
return(graphicsPath);
}
for (int j = 1; j <= 2; j++)
{
SurfaceNames[] array = null;
array = ((!flag3) ? new SurfaceNames[6]
{
SurfaceNames.Back,
SurfaceNames.Top,
SurfaceNames.Bottom,
SurfaceNames.Left,
SurfaceNames.Right,
SurfaceNames.Front
} : new SurfaceNames[6]
{
SurfaceNames.Back,
SurfaceNames.Bottom,
SurfaceNames.Top,
SurfaceNames.Left,
SurfaceNames.Right,
SurfaceNames.Front
});
LineSegmentType lineSegmentType = LineSegmentType.Middle;
SurfaceNames[] array2 = array;
foreach (SurfaceNames surfaceNames in array2)
{
if (ChartGraphics3D.ShouldDrawLineChartSurface(area, area.reverseSeriesOrder, surfaceNames, visibleSurfaces, color, points, firstPoint, secondPoint, multiSeries, reversed, ref lineSegmentType) != j)
{
continue;
}
Color backColor = color;
Color color2 = dataPoint3D.dataPoint.BorderColor;
if (j == 1)
{
if (backColor.A == byte.MaxValue)
{
continue;
}
backColor = Color.Transparent;
if (color2 == Color.Empty)
{
color2 = ChartGraphics.GetGradientColor(color, Color.Black, 0.2);
}
}
GraphicsPath graphicsPath3 = null;
switch (surfaceNames)
{
case SurfaceNames.Top:
graphicsPath3 = graph.Draw3DSurface(area, matrix, lightStyle, surfaceNames, positionZ, depth, backColor, color2, dataPoint3D.dataPoint.BorderWidth, borderStyle, firstPoint, secondPoint, points, pointIndex, tension, operationType, LineSegmentType.Middle, showPointLines ? true : false, forceThickBorder: false, area.reverseSeriesOrder, multiSeries, 0, clipInsideArea: true);
break;
case SurfaceNames.Bottom:
{
DataPoint3D dataPoint3D13 = new DataPoint3D();
dataPoint3D13.dataPoint = firstPoint.dataPoint;
dataPoint3D13.index = firstPoint.index;
dataPoint3D13.xPosition = firstPoint.xPosition;
dataPoint3D13.yPosition = thirdPoint.Y;
DataPoint3D dataPoint3D14 = new DataPoint3D();
dataPoint3D14.dataPoint = secondPoint.dataPoint;
dataPoint3D14.index = secondPoint.index;
dataPoint3D14.xPosition = secondPoint.xPosition;
dataPoint3D14.yPosition = fourthPoint.Y;
graphicsPath3 = graph.Draw3DSurface(area, matrix, lightStyle, surfaceNames, positionZ, depth, backColor, color2, dataPoint3D.dataPoint.BorderWidth, borderStyle, dataPoint3D13, dataPoint3D14, points, pointIndex, tension, operationType, LineSegmentType.Middle, showPointLines ? true : false, forceThickBorder: false, area.reverseSeriesOrder, multiSeries, 1, clipInsideArea: true);
break;
}
case SurfaceNames.Left:
if (surfaceSegmentType == LineSegmentType.Single || (!area.reverseSeriesOrder && surfaceSegmentType == LineSegmentType.First) || (area.reverseSeriesOrder && surfaceSegmentType == LineSegmentType.Last))
{
DataPoint3D dataPoint3D10 = (firstPoint.xPosition <= secondPoint.xPosition) ? firstPoint : secondPoint;
DataPoint3D dataPoint3D11 = new DataPoint3D();
dataPoint3D11.xPosition = dataPoint3D10.xPosition;
dataPoint3D11.yPosition = ((firstPoint.xPosition <= secondPoint.xPosition) ? thirdPoint.Y : fourthPoint.Y);
DataPoint3D dataPoint3D12 = new DataPoint3D();
dataPoint3D12.xPosition = dataPoint3D10.xPosition;
dataPoint3D12.yPosition = dataPoint3D10.yPosition;
graphicsPath3 = graph.Draw3DSurface(area, matrix, lightStyle, surfaceNames, positionZ, depth, backColor, color2, dataPoint3D.dataPoint.BorderWidth, borderStyle, dataPoint3D11, dataPoint3D12, points, pointIndex, 0f, operationType, LineSegmentType.Single, forceThinBorder: false, forceThickBorder: true, area.reverseSeriesOrder, multiSeries, 0, clipInsideArea: true);
}
break;
case SurfaceNames.Right:
if (surfaceSegmentType == LineSegmentType.Single || (!area.reverseSeriesOrder && surfaceSegmentType == LineSegmentType.Last) || (area.reverseSeriesOrder && surfaceSegmentType == LineSegmentType.First))
{
DataPoint3D dataPoint3D7 = (secondPoint.xPosition >= firstPoint.xPosition) ? secondPoint : firstPoint;
DataPoint3D dataPoint3D8 = new DataPoint3D();
dataPoint3D8.xPosition = dataPoint3D7.xPosition;
dataPoint3D8.yPosition = ((secondPoint.xPosition >= firstPoint.xPosition) ? fourthPoint.Y : thirdPoint.Y);
DataPoint3D dataPoint3D9 = new DataPoint3D();
dataPoint3D9.xPosition = dataPoint3D7.xPosition;
dataPoint3D9.yPosition = dataPoint3D7.yPosition;
graphicsPath3 = graph.Draw3DSurface(area, matrix, lightStyle, surfaceNames, positionZ, depth, backColor, color2, dataPoint3D.dataPoint.BorderWidth, borderStyle, dataPoint3D8, dataPoint3D9, points, pointIndex, 0f, operationType, LineSegmentType.Single, forceThinBorder: false, forceThickBorder: true, area.reverseSeriesOrder, multiSeries, 0, clipInsideArea: true);
}
break;
case SurfaceNames.Back:
{
DataPoint3D dataPoint3D5 = new DataPoint3D();
dataPoint3D5.dataPoint = firstPoint.dataPoint;
dataPoint3D5.index = firstPoint.index;
dataPoint3D5.xPosition = firstPoint.xPosition;
dataPoint3D5.yPosition = thirdPoint.Y;
DataPoint3D dataPoint3D6 = new DataPoint3D();
dataPoint3D6.dataPoint = secondPoint.dataPoint;
dataPoint3D6.index = secondPoint.index;
dataPoint3D6.xPosition = secondPoint.xPosition;
dataPoint3D6.yPosition = fourthPoint.Y;
graphicsPath3 = Draw3DSplinePolygon(graph, area, positionZ, backColor, color2, dataPoint3D.dataPoint.BorderWidth, borderStyle, firstPoint, secondPoint, dataPoint3D6, dataPoint3D5, points, pointIndex, tension, operationType, lineSegmentType, showPointLines ? true : false);
break;
}
case SurfaceNames.Front:
{
DataPoint3D dataPoint3D3 = new DataPoint3D();
dataPoint3D3.dataPoint = firstPoint.dataPoint;
dataPoint3D3.index = firstPoint.index;
dataPoint3D3.xPosition = firstPoint.xPosition;
dataPoint3D3.yPosition = thirdPoint.Y;
DataPoint3D dataPoint3D4 = new DataPoint3D();
dataPoint3D4.dataPoint = secondPoint.dataPoint;
dataPoint3D4.index = secondPoint.index;
dataPoint3D4.xPosition = secondPoint.xPosition;
dataPoint3D4.yPosition = fourthPoint.Y;
if (area.reverseSeriesOrder)
{
switch (lineSegmentType)
{
case LineSegmentType.First:
lineSegmentType = LineSegmentType.Last;
break;
case LineSegmentType.Last:
lineSegmentType = LineSegmentType.First;
break;
}
}
if (surfaceSegmentType != 0)
{
if (surfaceSegmentType == LineSegmentType.Middle || (surfaceSegmentType == LineSegmentType.First && lineSegmentType != LineSegmentType.First) || (surfaceSegmentType == LineSegmentType.Last && lineSegmentType != LineSegmentType.Last))
{
lineSegmentType = LineSegmentType.Middle;
}
if (reversed)
{
switch (lineSegmentType)
{
case LineSegmentType.First:
lineSegmentType = LineSegmentType.Last;
break;
case LineSegmentType.Last:
lineSegmentType = LineSegmentType.First;
break;
}
}
}
graphicsPath3 = Draw3DSplinePolygon(graph, area, positionZ + depth, backColor, color2, dataPoint3D.dataPoint.BorderWidth, borderStyle, firstPoint, secondPoint, dataPoint3D4, dataPoint3D3, points, pointIndex, tension, operationType, lineSegmentType, showPointLines ? true : false);
break;
}
}
if (j == 2 && graphicsPath != null && graphicsPath3 != null && graphicsPath3.PointCount > 0)
{
graphicsPath.CloseFigure();
graphicsPath.AddPath(graphicsPath3, connect: true);
}
}
}
return(graphicsPath);
}
protected override GraphicsPath Draw3DSurface(ChartArea area, ChartGraphics graph, Matrix3D matrix, LightStyle lightStyle, DataPoint3D prevDataPointEx, float positionZ, float depth, ArrayList points, int pointIndex, int pointLoopIndex, float tension, DrawingOperationTypes operationType, float topDarkening, float bottomDarkening, PointF thirdPointPosition, PointF fourthPointPosition, bool clippedSegment)
{
GraphicsPath result = ((operationType & DrawingOperationTypes.CalcElementPath) == DrawingOperationTypes.CalcElementPath) ? new GraphicsPath() : null;
if (centerPointIndex == int.MaxValue)
{
centerPointIndex = GetCenterPointIndex(points);
}
DataPoint3D dataPoint3D = (DataPoint3D)points[pointIndex];
int neighborPointIndex = pointIndex;
DataPoint3D dataPoint3D2 = ChartGraphics3D.FindPointByIndex(points, dataPoint3D.index - 1, multiSeries ? dataPoint3D : null, ref neighborPointIndex);
bool reversed = false;
if (dataPoint3D2.index > dataPoint3D.index)
{
DataPoint3D dataPoint3D3 = dataPoint3D2;
dataPoint3D2 = dataPoint3D;
dataPoint3D = dataPoint3D3;
reversed = true;
}
if (matrix.perspective != 0f && centerPointIndex != int.MaxValue)
{
neighborPointIndex = pointIndex;
if (pointIndex != centerPointIndex + 1)
{
dataPoint3D2 = ChartGraphics3D.FindPointByIndex(points, dataPoint3D.index - 1, multiSeries ? dataPoint3D : null, ref neighborPointIndex);
}
else if (!area.reverseSeriesOrder)
{
dataPoint3D = ChartGraphics3D.FindPointByIndex(points, dataPoint3D2.index + 1, multiSeries ? dataPoint3D : null, ref neighborPointIndex);
}
else
{
dataPoint3D2 = dataPoint3D;
dataPoint3D = ChartGraphics3D.FindPointByIndex(points, dataPoint3D.index - 1, multiSeries ? dataPoint3D : null, ref neighborPointIndex);
}
}
if (dataPoint3D2 == null || dataPoint3D == null)
{
return(result);
}
DataPoint3D dataPoint3D4 = dataPoint3D;
if (prevDataPointEx.dataPoint.Empty)
{
dataPoint3D4 = prevDataPointEx;
}
else if (dataPoint3D2.index > dataPoint3D.index)
{
dataPoint3D4 = dataPoint3D2;
}
if (!useBorderColor)
{
_ = dataPoint3D4.dataPoint.Color;
}
else
{
_ = dataPoint3D4.dataPoint.BorderColor;
}
_ = dataPoint3D4.dataPoint.BorderStyle;
if (dataPoint3D4.dataPoint.Empty && dataPoint3D4.dataPoint.Color == Color.Empty)
{
_ = Color.Gray;
}
if (dataPoint3D4.dataPoint.Empty)
{
_ = dataPoint3D4.dataPoint.BorderStyle;
}
return(Draw3DSurface(dataPoint3D2, dataPoint3D, reversed, area, graph, matrix, lightStyle, prevDataPointEx, positionZ, depth, points, pointIndex, pointLoopIndex, tension, operationType, LineSegmentType.Single, topDarkening, bottomDarkening, thirdPointPosition, fourthPointPosition, clippedSegment, clipOnTop: true, clipOnBottom: true));
}
/// <summary>
/// Draws a 3D surface connecting the two specified points in 2D space.
/// Used to draw Line based charts.
/// </summary>
/// <param name="area">Chart area reference.</param>
/// <param name="graph">Chart graphics.</param>
/// <param name="matrix">Coordinates transformation matrix.</param>
/// <param name="lightStyle">LightStyle style (None, Simplistic, Realistic).</param>
/// <param name="prevDataPointEx">Previous data point object.</param>
/// <param name="positionZ">Z position of the back side of the 3D surface.</param>
/// <param name="depth">Depth of the 3D surface.</param>
/// <param name="points">Array of points.</param>
/// <param name="pointIndex">Index of point to draw.</param>
/// <param name="pointLoopIndex">Index of points loop.</param>
/// <param name="tension">Line tension.</param>
/// <param name="operationType">AxisName of operation Drawing, Calculating Path or Both</param>
/// <param name="topDarkening">Darkenning scale for top surface. 0 - None.</param>
/// <param name="bottomDarkening">Darkenning scale for bottom surface. 0 - None.</param>
/// <param name="thirdPointPosition">Position where the third point is actually located or float.NaN if same as in "firstPoint".</param>
/// <param name="fourthPointPosition">Position where the fourth point is actually located or float.NaN if same as in "secondPoint".</param>
/// <param name="clippedSegment">Indicates that drawn segment is 3D clipped. Only top/bottom should be drawn.</param>
/// <returns>Returns elemnt shape path if operationType parameter is set to CalcElementPath, otherwise Null.</returns>
protected override GraphicsPath Draw3DSurface(
ChartArea area,
ChartGraphics graph,
Matrix3D matrix,
LightStyle lightStyle,
DataPoint3D prevDataPointEx,
float positionZ,
float depth,
ArrayList points,
int pointIndex,
int pointLoopIndex,
float tension,
DrawingOperationTypes operationType,
float topDarkening,
float bottomDarkening,
PointF thirdPointPosition,
PointF fourthPointPosition,
bool clippedSegment)
{
// Create graphics path for selection
GraphicsPath resultPath = ((operationType & DrawingOperationTypes.CalcElementPath) == DrawingOperationTypes.CalcElementPath)
? new GraphicsPath() : null;
// Check if points are drawn from sides to center (do only once)
if (centerPointIndex == int.MaxValue)
{
centerPointIndex = GetCenterPointIndex(points);
}
//************************************************************
//** Find line first & second points
//************************************************************
DataPoint3D secondPoint = (DataPoint3D)points[pointIndex];
int pointArrayIndex = pointIndex;
DataPoint3D firstPoint = ChartGraphics.FindPointByIndex(
points,
secondPoint.index - 1,
(this.multiSeries) ? secondPoint : null,
ref pointArrayIndex);
// Fint point with line properties
DataPoint3D pointAttr = secondPoint;
if (prevDataPointEx.dataPoint.IsEmpty)
{
pointAttr = prevDataPointEx;
}
else if (firstPoint.index > secondPoint.index)
{
pointAttr = firstPoint;
}
// Adjust point visual properties
Color color = (useBorderColor) ? pointAttr.dataPoint.BorderColor : pointAttr.dataPoint.Color;
ChartDashStyle dashStyle = pointAttr.dataPoint.BorderDashStyle;
if (pointAttr.dataPoint.IsEmpty && pointAttr.dataPoint.Color == Color.Empty)
{
color = Color.Gray;
}
if (pointAttr.dataPoint.IsEmpty && pointAttr.dataPoint.BorderDashStyle == ChartDashStyle.NotSet)
{
dashStyle = ChartDashStyle.Solid;
}
// Set up kagi chart
if (currentKagiDirection == 0)
{
// Get up price color
this.kagiUpColor = secondPoint.dataPoint.series.Color;
string priceUpColorString = secondPoint.dataPoint.series[CustomPropertyName.PriceUpColor];
ColorConverter colorConverter = new ColorConverter();
if (priceUpColorString != null)
{
try
{
this.kagiUpColor = (Color)colorConverter.ConvertFromString(null, CultureInfo.InvariantCulture, priceUpColorString);
}
catch
{
throw(new InvalidOperationException(SR.ExceptionKagiAttributeFormatInvalid("Up Brick color")));
}
}
// Check direction of first line (up or down)
currentKagiDirection = (firstPoint.yPosition > secondPoint.yPosition) ?
1 : -1;
}
// Set up movement colors and width
Color lineColor = (currentKagiDirection == 1) ? this.kagiUpColor : color;
//************************************************************
//** Create "middle" point
//************************************************************
DataPoint3D middlePoint = new DataPoint3D();
middlePoint.xPosition = secondPoint.xPosition;
middlePoint.yPosition = firstPoint.yPosition;
// Check if reversed drawing order required
bool originalDrawOrder = true;
if ((pointIndex + 1) < points.Count)
{
DataPoint3D p = (DataPoint3D)points[pointIndex + 1];
if (p.index == firstPoint.index)
{
originalDrawOrder = false;
}
}
// Check in which order vertical & horizontal lines segments should be drawn
if (centerPointIndex != int.MaxValue)
{
if (pointIndex >= centerPointIndex)
{
originalDrawOrder = false;
}
}
// Check if vertical line should be draw as to segments of different color
DataPoint3D vertSplitPoint = null;
if (secondPoint.index >= 3) //Point3D.index is 1 based
{
// Check current direction
int direction = (firstPoint.yPosition > secondPoint.yPosition) ?
1 : -1;
// Proceed only when direction is changed
if (direction != currentKagiDirection)
{
// Find prev line low & high
DataPoint3D prevPoint = ChartGraphics.FindPointByIndex(
points,
secondPoint.index - 2,
(this.multiSeries) ? secondPoint : null,
ref pointArrayIndex);
bool twoVertSegments = false;
if (firstPoint.yPosition > prevPoint.yPosition &&
firstPoint.yPosition > secondPoint.yPosition &&
prevPoint.yPosition > secondPoint.yPosition)
{
twoVertSegments = true;
}
else if (firstPoint.yPosition < prevPoint.yPosition &&
firstPoint.yPosition < secondPoint.yPosition &&
prevPoint.yPosition < secondPoint.yPosition)
{
twoVertSegments = true;
}
if (twoVertSegments)
{
vertSplitPoint = new DataPoint3D();
vertSplitPoint.xPosition = secondPoint.xPosition;
vertSplitPoint.yPosition = prevPoint.yPosition;
vertSplitPoint.dataPoint = secondPoint.dataPoint;
}
}
}
// Draw two or three segments of the step line
GraphicsPath[] resultPathLine = new GraphicsPath[3];
for (int segmentIndex = 0; segmentIndex < 2; segmentIndex++)
{
DataPoint3D point1 = firstPoint, point2 = secondPoint;
LineSegmentType lineSegmentType = LineSegmentType.First;
if (segmentIndex == 0)
{
lineSegmentType = (originalDrawOrder) ? LineSegmentType.First : LineSegmentType.Last;
middlePoint.dataPoint = (originalDrawOrder) ? secondPoint.dataPoint : firstPoint.dataPoint;
point1 = (originalDrawOrder) ? firstPoint : middlePoint;
point2 = (originalDrawOrder) ? middlePoint : secondPoint;
}
else if (segmentIndex == 1)
{
lineSegmentType = (!originalDrawOrder) ? LineSegmentType.First : LineSegmentType.Last;
middlePoint.dataPoint = (!originalDrawOrder) ? secondPoint.dataPoint : secondPoint.dataPoint;
point1 = (!originalDrawOrder) ? firstPoint : middlePoint;
point2 = (!originalDrawOrder) ? middlePoint : secondPoint;
}
// Draw horizontal surface
if (lineSegmentType == LineSegmentType.First ||
vertSplitPoint == null)
{
resultPathLine[segmentIndex] = new GraphicsPath();
resultPathLine[segmentIndex] = graph.Draw3DSurface(
area, matrix, lightStyle, SurfaceNames.Top, positionZ, depth, lineColor,
pointAttr.dataPoint.BorderColor, pointAttr.dataPoint.BorderWidth, dashStyle,
point1, point2,
points, pointIndex, 0f, operationType, lineSegmentType,
(this.showPointLines) ? true : false, false,
area.ReverseSeriesOrder,
this.multiSeries, 0, true);
}
else
{
if (!originalDrawOrder)
{
lineColor = (currentKagiDirection == -1) ? this.kagiUpColor : color;
}
// Draw verticla line as two segments
resultPathLine[segmentIndex] = new GraphicsPath();
resultPathLine[segmentIndex] = graph.Draw3DSurface(
area, matrix, lightStyle, SurfaceNames.Top, positionZ, depth, lineColor,
pointAttr.dataPoint.BorderColor, pointAttr.dataPoint.BorderWidth, dashStyle,
point1, vertSplitPoint,
points, pointIndex, 0f, operationType, LineSegmentType.Middle,
(this.showPointLines) ? true : false, false,
area.ReverseSeriesOrder,
this.multiSeries, 0, true);
// No second draw of the prev. front line required
graph.frontLinePen = null;
// Change direction
currentKagiDirection = (currentKagiDirection == 1) ? -1 : 1;
// Set color
if (originalDrawOrder)
{
lineColor = (currentKagiDirection == 1) ? this.kagiUpColor : color;
}
else
{
lineColor = (currentKagiDirection == -1) ? this.kagiUpColor : color;
}
resultPathLine[2] = new GraphicsPath();
resultPathLine[2] = graph.Draw3DSurface(
area, matrix, lightStyle, SurfaceNames.Top, positionZ, depth, lineColor,
pointAttr.dataPoint.BorderColor, pointAttr.dataPoint.BorderWidth, dashStyle,
vertSplitPoint, point2,
points, pointIndex, 0f, operationType, lineSegmentType,
(this.showPointLines) ? true : false, false,
area.ReverseSeriesOrder,
this.multiSeries, 0, true);
if (!originalDrawOrder)
{
lineColor = (currentKagiDirection == 1) ? this.kagiUpColor : color;
}
}
// No second draw of the prev. front line required
graph.frontLinePen = null;
}
if (resultPath != null)
{
if (resultPathLine[0] != null)
{
resultPath.AddPath(resultPathLine[0], true);
}
if (resultPathLine[1] != null)
{
resultPath.AddPath(resultPathLine[1], true);
}
if (resultPathLine[2] != null)
{
resultPath.AddPath(resultPathLine[2], true);
}
}
return(resultPath);
}
protected override GraphicsPath Draw3DSurface(ChartArea area, ChartGraphics graph, Matrix3D matrix, LightStyle lightStyle, DataPoint3D prevDataPointEx, float positionZ, float depth, ArrayList points, int pointIndex, int pointLoopIndex, float tension, DrawingOperationTypes operationType, float topDarkening, float bottomDarkening, PointF thirdPointPosition, PointF fourthPointPosition, bool clippedSegment)
{
GraphicsPath graphicsPath = ((operationType & DrawingOperationTypes.CalcElementPath) == DrawingOperationTypes.CalcElementPath) ? new GraphicsPath() : null;
if (base.centerPointIndex == 2147483647)
{
base.centerPointIndex = base.GetCenterPointIndex(points);
}
DataPoint3D dataPoint3D = (DataPoint3D)points[pointIndex];
int num = pointIndex;
DataPoint3D dataPoint3D2 = ChartGraphics3D.FindPointByIndex(points, dataPoint3D.index - 1, base.multiSeries ? dataPoint3D : null, ref num);
DataPoint3D dataPoint3D3 = dataPoint3D;
if (prevDataPointEx.dataPoint.Empty)
{
dataPoint3D3 = prevDataPointEx;
}
else if (dataPoint3D2.index > dataPoint3D.index)
{
dataPoint3D3 = dataPoint3D2;
}
Color color = base.useBorderColor ? dataPoint3D3.dataPoint.BorderColor : dataPoint3D3.dataPoint.Color;
ChartDashStyle borderStyle = dataPoint3D3.dataPoint.BorderStyle;
if (dataPoint3D3.dataPoint.Empty && dataPoint3D3.dataPoint.Color == Color.Empty)
{
color = Color.Gray;
}
if (dataPoint3D3.dataPoint.Empty && dataPoint3D3.dataPoint.BorderStyle == ChartDashStyle.NotSet)
{
borderStyle = ChartDashStyle.Solid;
}
if (this.currentKagiDirection == 0)
{
this.kagiUpColor = dataPoint3D.dataPoint.series.Color;
string text = ((DataPointAttributes)dataPoint3D.dataPoint.series)["PriceUpColor"];
ColorConverter colorConverter = new ColorConverter();
if (text != null)
{
try
{
this.kagiUpColor = (Color)colorConverter.ConvertFromString(null, CultureInfo.InvariantCulture, text);
}
catch
{
throw new InvalidOperationException(SR.ExceptionKagiAttributeFormatInvalid("Up Brick color"));
}
}
this.currentKagiDirection = ((dataPoint3D2.yPosition > dataPoint3D.yPosition) ? 1 : (-1));
}
Color backColor = (this.currentKagiDirection == 1) ? this.kagiUpColor : color;
DataPoint3D dataPoint3D4 = new DataPoint3D();
dataPoint3D4.xPosition = dataPoint3D.xPosition;
dataPoint3D4.yPosition = dataPoint3D2.yPosition;
bool flag = true;
if (pointIndex + 1 < points.Count)
{
DataPoint3D dataPoint3D5 = (DataPoint3D)points[pointIndex + 1];
if (dataPoint3D5.index == dataPoint3D2.index)
{
flag = false;
}
}
if (base.centerPointIndex != 2147483647 && pointIndex >= base.centerPointIndex)
{
flag = false;
}
DataPoint3D dataPoint3D6 = null;
if (dataPoint3D.index >= 2)
{
int num2 = (dataPoint3D2.yPosition > dataPoint3D.yPosition) ? 1 : (-1);
if (num2 != this.currentKagiDirection)
{
DataPoint3D dataPoint3D7 = ChartGraphics3D.FindPointByIndex(points, dataPoint3D.index - 2, base.multiSeries ? dataPoint3D : null, ref num);
bool flag2 = false;
if (dataPoint3D2.yPosition > dataPoint3D7.yPosition && dataPoint3D2.yPosition > dataPoint3D.yPosition && dataPoint3D7.yPosition > dataPoint3D.yPosition)
{
flag2 = true;
}
else if (dataPoint3D2.yPosition < dataPoint3D7.yPosition && dataPoint3D2.yPosition < dataPoint3D.yPosition && dataPoint3D7.yPosition < dataPoint3D.yPosition)
{
flag2 = true;
}
if (flag2)
{
dataPoint3D6 = new DataPoint3D();
dataPoint3D6.xPosition = dataPoint3D.xPosition;
dataPoint3D6.yPosition = dataPoint3D7.yPosition;
dataPoint3D6.dataPoint = dataPoint3D.dataPoint;
}
}
}
GraphicsPath[] array = new GraphicsPath[3];
for (int i = 0; i < 2; i++)
{
DataPoint3D firstPoint = dataPoint3D2;
DataPoint3D secondPoint = dataPoint3D;
LineSegmentType lineSegmentType = LineSegmentType.First;
switch (i)
{
case 0:
lineSegmentType = (LineSegmentType)(flag ? 1 : 3);
dataPoint3D4.dataPoint = (flag ? dataPoint3D.dataPoint : dataPoint3D2.dataPoint);
firstPoint = (flag ? dataPoint3D2 : dataPoint3D4);
secondPoint = (flag ? dataPoint3D4 : dataPoint3D);
break;
case 1:
lineSegmentType = (LineSegmentType)((!flag) ? 1 : 3);
dataPoint3D4.dataPoint = ((!flag) ? dataPoint3D.dataPoint : dataPoint3D.dataPoint);
firstPoint = ((!flag) ? dataPoint3D2 : dataPoint3D4);
secondPoint = ((!flag) ? dataPoint3D4 : dataPoint3D);
break;
}
if (lineSegmentType == LineSegmentType.First || dataPoint3D6 == null)
{
array[i] = new GraphicsPath();
array[i] = graph.Draw3DSurface(area, matrix, lightStyle, SurfaceNames.Top, positionZ, depth, backColor, dataPoint3D3.dataPoint.BorderColor, dataPoint3D3.dataPoint.BorderWidth, borderStyle, firstPoint, secondPoint, points, pointIndex, 0f, operationType, lineSegmentType, (byte)(base.showPointLines ? 1 : 0) != 0, false, area.reverseSeriesOrder, base.multiSeries, 0, true);
}
else
{
if (!flag)
{
backColor = ((this.currentKagiDirection == -1) ? this.kagiUpColor : color);
}
array[i] = new GraphicsPath();
array[i] = graph.Draw3DSurface(area, matrix, lightStyle, SurfaceNames.Top, positionZ, depth, backColor, dataPoint3D3.dataPoint.BorderColor, dataPoint3D3.dataPoint.BorderWidth, borderStyle, firstPoint, dataPoint3D6, points, pointIndex, 0f, operationType, LineSegmentType.Middle, (byte)(base.showPointLines ? 1 : 0) != 0, false, area.reverseSeriesOrder, base.multiSeries, 0, true);
graph.frontLinePen = null;
this.currentKagiDirection = ((this.currentKagiDirection != 1) ? 1 : (-1));
backColor = ((!flag) ? ((this.currentKagiDirection == -1) ? this.kagiUpColor : color) : ((this.currentKagiDirection == 1) ? this.kagiUpColor : color));
array[2] = new GraphicsPath();
array[2] = graph.Draw3DSurface(area, matrix, lightStyle, SurfaceNames.Top, positionZ, depth, backColor, dataPoint3D3.dataPoint.BorderColor, dataPoint3D3.dataPoint.BorderWidth, borderStyle, dataPoint3D6, secondPoint, points, pointIndex, 0f, operationType, lineSegmentType, (byte)(base.showPointLines ? 1 : 0) != 0, false, area.reverseSeriesOrder, base.multiSeries, 0, true);
if (!flag)
{
backColor = ((this.currentKagiDirection == 1) ? this.kagiUpColor : color);
}
}
graph.frontLinePen = null;
}
if (graphicsPath != null)
{
if (array[0] != null)
{
graphicsPath.AddPath(array[0], true);
}
if (array[1] != null)
{
graphicsPath.AddPath(array[1], true);
}
if (array[2] != null)
{
graphicsPath.AddPath(array[2], true);
}
}
return(graphicsPath);
}
protected override GraphicsPath Draw3DSurface(ChartArea area, ChartGraphics graph, Matrix3D matrix, LightStyle lightStyle, DataPoint3D prevDataPointEx, float positionZ, float depth, ArrayList points, int pointIndex, int pointLoopIndex, float tension, DrawingOperationTypes operationType, float topDarkening, float bottomDarkening, PointF thirdPointPosition, PointF fourthPointPosition, bool clippedSegment)
{
GraphicsPath graphicsPath = ((operationType & DrawingOperationTypes.CalcElementPath) == DrawingOperationTypes.CalcElementPath) ? new GraphicsPath() : null;
if (base.centerPointIndex == 2147483647)
{
base.centerPointIndex = base.GetCenterPointIndex(points);
}
DataPoint3D dataPoint3D = (DataPoint3D)points[pointIndex];
int num = pointIndex;
DataPoint3D dataPoint3D2 = ChartGraphics3D.FindPointByIndex(points, dataPoint3D.index - 1, base.multiSeries ? dataPoint3D : null, ref num);
bool flag = false;
if (dataPoint3D2.index > dataPoint3D.index)
{
DataPoint3D dataPoint3D3 = dataPoint3D2;
dataPoint3D2 = dataPoint3D;
dataPoint3D = dataPoint3D3;
flag = true;
}
if (matrix.perspective != 0.0 && base.centerPointIndex != 2147483647)
{
num = pointIndex;
if (pointIndex != base.centerPointIndex + 1)
{
dataPoint3D2 = ChartGraphics3D.FindPointByIndex(points, dataPoint3D.index - 1, base.multiSeries ? dataPoint3D : null, ref num);
}
else if (!area.reverseSeriesOrder)
{
dataPoint3D = ChartGraphics3D.FindPointByIndex(points, dataPoint3D2.index + 1, base.multiSeries ? dataPoint3D : null, ref num);
}
else
{
dataPoint3D2 = dataPoint3D;
dataPoint3D = ChartGraphics3D.FindPointByIndex(points, dataPoint3D.index - 1, base.multiSeries ? dataPoint3D : null, ref num);
}
}
if (dataPoint3D2 != null && dataPoint3D != null)
{
DataPoint3D dataPoint3D4 = dataPoint3D;
if (prevDataPointEx.dataPoint.Empty)
{
dataPoint3D4 = prevDataPointEx;
}
else if (dataPoint3D2.index > dataPoint3D.index)
{
dataPoint3D4 = dataPoint3D2;
}
if (!base.useBorderColor)
{
Color color = dataPoint3D4.dataPoint.Color;
}
else
{
Color borderColor = dataPoint3D4.dataPoint.BorderColor;
}
ChartDashStyle borderStyle = dataPoint3D4.dataPoint.BorderStyle;
if (dataPoint3D4.dataPoint.Empty && dataPoint3D4.dataPoint.Color == Color.Empty)
{
Color gray = Color.Gray;
}
if (dataPoint3D4.dataPoint.Empty)
{
ChartDashStyle borderStyle2 = dataPoint3D4.dataPoint.BorderStyle;
}
flag = false;
for (int i = 1; pointIndex + i < points.Count; i++)
{
DataPoint3D dataPoint3D5 = (DataPoint3D)points[pointIndex + i];
if (dataPoint3D5.dataPoint.series.Name == dataPoint3D2.dataPoint.series.Name)
{
if (dataPoint3D5.index == dataPoint3D2.index)
{
flag = true;
}
break;
}
}
if (tension != 0.0)
{
GraphicsPath splineFlattenPath = graph.GetSplineFlattenPath(area, matrix, positionZ, depth, dataPoint3D2, dataPoint3D, points, pointIndex, tension, true, false, 0);
PointF[] array = null;
flag = (pointIndex < num);
if (flag)
{
splineFlattenPath.Reverse();
}
array = splineFlattenPath.PathPoints;
DataPoint3D dataPoint3D6 = new DataPoint3D();
DataPoint3D dataPoint3D7 = new DataPoint3D();
LineSegmentType lineSegmentType = LineSegmentType.Middle;
for (int j = 1; j < array.Length; j++)
{
if (!flag)
{
dataPoint3D6.dataPoint = dataPoint3D2.dataPoint;
dataPoint3D6.index = dataPoint3D2.index;
dataPoint3D6.xPosition = (double)array[j - 1].X;
dataPoint3D6.yPosition = (double)array[j - 1].Y;
dataPoint3D7.dataPoint = dataPoint3D.dataPoint;
dataPoint3D7.index = dataPoint3D.index;
dataPoint3D7.xPosition = (double)array[j].X;
dataPoint3D7.yPosition = (double)array[j].Y;
}
else
{
dataPoint3D7.dataPoint = dataPoint3D2.dataPoint;
dataPoint3D7.index = dataPoint3D2.index;
dataPoint3D7.xPosition = (double)array[j - 1].X;
dataPoint3D7.yPosition = (double)array[j - 1].Y;
dataPoint3D6.dataPoint = dataPoint3D.dataPoint;
dataPoint3D6.index = dataPoint3D.index;
dataPoint3D6.xPosition = (double)array[j].X;
dataPoint3D6.yPosition = (double)array[j].Y;
}
lineSegmentType = LineSegmentType.Middle;
if (j == 1)
{
lineSegmentType = (LineSegmentType)((!flag) ? 1 : 3);
}
else if (j == array.Length - 1)
{
lineSegmentType = (LineSegmentType)(flag ? 1 : 3);
}
area.IterationCounter = 0;
GraphicsPath graphicsPath2 = this.Draw3DSurface(dataPoint3D6, dataPoint3D7, flag, area, graph, matrix, lightStyle, prevDataPointEx, positionZ, depth, points, pointIndex, pointLoopIndex, 0f, operationType, lineSegmentType, topDarkening, bottomDarkening, new PointF(float.NaN, float.NaN), new PointF(float.NaN, float.NaN), clippedSegment, true, true);
if (graphicsPath != null && graphicsPath2 != null && graphicsPath2.PointCount > 0)
{
graphicsPath.AddPath(graphicsPath2, true);
}
}
return(graphicsPath);
}
return(this.Draw3DSurface(dataPoint3D2, dataPoint3D, flag, area, graph, matrix, lightStyle, prevDataPointEx, positionZ, depth, points, pointIndex, pointLoopIndex, tension, operationType, LineSegmentType.Single, topDarkening, bottomDarkening, thirdPointPosition, fourthPointPosition, clippedSegment, true, true));
}
return(graphicsPath);
}
