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;
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(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);
}