public LineSegment(string label, Point pt1, Point pt2) : base(ShapeType.LineSegment, label)
{
_pt1 = pt1;
_pt2 = pt2;
if (pt1.Equals(pt2))
throw new Exception("Two points are identical");
InputType = LineSegmentType.Relation;
ExtractRelationLabel(pt1.Label, pt2.Label);
Calc_Distance();
}
public LineSegment(string label, Point pt1, Point pt2) : base(ShapeType.LineSegment, label)
{
_pt1 = pt1;
_pt2 = pt2;
if (pt1.Equals(pt2))
{
throw new Exception("Two points are identical");
}
InputType = LineSegmentType.Relation;
ExtractRelationLabel(pt1.Label, pt2.Label);
Calc_Distance();
}
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);
}
/// <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);
}
public LineSegment(string label) : base(ShapeType.LineSegment, label)
{
InputType = LineSegmentType.Relation;
}
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);
}
public LineSegment(string label) : base(ShapeType.LineSegment, label)
{
InputType = LineSegmentType.Relation;
}
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);
}
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);
}