protected void DrawArea3DScene(ChartGraphics graph, RectangleF position)
{
ChartArea chartArea = (ChartArea)this;
areaSceneWallWidth = graph.GetRelativeSize(new SizeF(Area3DStyle.WallWidth, Area3DStyle.WallWidth));
areaSceneDepth = GetArea3DSceneDepth();
matrix3D.Initialize(position, areaSceneDepth, Area3DStyle.XAngle, Area3DStyle.YAngle, Area3DStyle.Perspective, Area3DStyle.RightAngleAxes);
matrix3D.InitLight(Area3DStyle.Light);
visibleSurfaces = graph.GetVisibleSurfaces(position, 0f, areaSceneDepth, matrix3D);
Color color = chartArea.BackColor;
if (color == Color.Transparent)
{
areaSceneWallWidth = SizeF.Empty;
return;
}
if (color == Color.Empty)
{
color = Color.LightGray;
}
if (IsBottomSceneWallVisible())
{
position.Height += areaSceneWallWidth.Height;
}
position.Width += areaSceneWallWidth.Width;
if (Area3DStyle.YAngle > 0)
{
position.X -= areaSceneWallWidth.Width;
}
RectangleF position2 = new RectangleF(position.Location, position.Size);
float width = areaSceneWallWidth.Width;
float positionZ = 0f - width;
if (IsMainSceneWallOnFront())
{
positionZ = areaSceneDepth;
}
graph.Fill3DRectangle(position2, positionZ, width, matrix3D, chartArea.Area3DStyle.Light, color, chartArea.BackHatchStyle, chartArea.BackImage, chartArea.BackImageMode, chartArea.BackImageTransparentColor, chartArea.BackImageAlign, chartArea.BackGradientType, chartArea.BackGradientEndColor, chartArea.BorderColor, chartArea.BorderWidth, chartArea.BorderStyle, PenAlignment.Outset, DrawingOperationTypes.DrawElement);
position2 = new RectangleF(position.Location, position.Size);
position2.Width = areaSceneWallWidth.Width;
if (!IsSideSceneWallOnLeft())
{
position2.X = position.Right - areaSceneWallWidth.Width;
}
graph.Fill3DRectangle(position2, 0f, areaSceneDepth, matrix3D, chartArea.Area3DStyle.Light, color, chartArea.BackHatchStyle, chartArea.BackImage, chartArea.BackImageMode, chartArea.BackImageTransparentColor, chartArea.BackImageAlign, chartArea.BackGradientType, chartArea.BackGradientEndColor, chartArea.BorderColor, chartArea.BorderWidth, chartArea.BorderStyle, PenAlignment.Outset, DrawingOperationTypes.DrawElement);
if (IsBottomSceneWallVisible())
{
position2 = new RectangleF(position.Location, position.Size);
position2.Height = areaSceneWallWidth.Height;
position2.Y = position.Bottom - areaSceneWallWidth.Height;
position2.Width -= areaSceneWallWidth.Width;
if (IsSideSceneWallOnLeft())
{
position2.X += areaSceneWallWidth.Width;
}
positionZ = 0f;
graph.Fill3DRectangle(position2, 0f, areaSceneDepth, matrix3D, chartArea.Area3DStyle.Light, color, chartArea.BackHatchStyle, chartArea.BackImage, chartArea.BackImageMode, chartArea.BackImageTransparentColor, chartArea.BackImageAlign, chartArea.BackGradientType, chartArea.BackGradientEndColor, chartArea.BorderColor, chartArea.BorderWidth, chartArea.BorderStyle, PenAlignment.Outset, DrawingOperationTypes.DrawElement);
}
}
internal void Estimate3DInterval(ChartGraphics graph)
{
_ = (ChartArea)this;
areaSceneWallWidth = graph.GetRelativeSize(new SizeF(Area3DStyle.WallWidth, Area3DStyle.WallWidth));
ChartArea chartArea = (ChartArea)this;
areaSceneDepth = GetEstimatedSceneDepth();
RectangleF innerPlotRectangle = chartArea.Position.ToRectangleF();
if (base.PlotAreaPosition.Width == 0f && base.PlotAreaPosition.Height == 0f && !chartArea.InnerPlotPosition.Auto && !chartArea.Position.Auto && !chartArea.InnerPlotPosition.Auto)
{
innerPlotRectangle.X += chartArea.Position.Width / 100f * chartArea.InnerPlotPosition.X;
innerPlotRectangle.Y += chartArea.Position.Height / 100f * chartArea.InnerPlotPosition.Y;
innerPlotRectangle.Width = chartArea.Position.Width / 100f * chartArea.InnerPlotPosition.Width;
innerPlotRectangle.Height = chartArea.Position.Height / 100f * chartArea.InnerPlotPosition.Height;
}
int realYAngle = GetRealYAngle();
Matrix3D matrix3D = new Matrix3D();
matrix3D.Initialize(innerPlotRectangle, areaSceneDepth, Area3DStyle.XAngle, realYAngle, Area3DStyle.Perspective, Area3DStyle.RightAngleAxes);
Point3D[] array = new Point3D[8];
bool axisOnEdge;
if (chartArea.switchValueAxes)
{
float marksZPosition = axisX.GetMarksZPosition(out axisOnEdge);
array[0] = new Point3D(innerPlotRectangle.X, innerPlotRectangle.Y, marksZPosition);
array[1] = new Point3D(innerPlotRectangle.X, innerPlotRectangle.Bottom, marksZPosition);
marksZPosition = axisY.GetMarksZPosition(out axisOnEdge);
array[2] = new Point3D(innerPlotRectangle.X, innerPlotRectangle.Bottom, marksZPosition);
array[3] = new Point3D(innerPlotRectangle.Right, innerPlotRectangle.Bottom, marksZPosition);
marksZPosition = axisX2.GetMarksZPosition(out axisOnEdge);
array[4] = new Point3D(innerPlotRectangle.X, innerPlotRectangle.Y, marksZPosition);
array[5] = new Point3D(innerPlotRectangle.X, innerPlotRectangle.Bottom, marksZPosition);
marksZPosition = axisY2.GetMarksZPosition(out axisOnEdge);
array[6] = new Point3D(innerPlotRectangle.X, innerPlotRectangle.Y, marksZPosition);
array[7] = new Point3D(innerPlotRectangle.Right, innerPlotRectangle.Y, marksZPosition);
}
else
{
float marksZPosition = axisX.GetMarksZPosition(out axisOnEdge);
array[0] = new Point3D(innerPlotRectangle.X, innerPlotRectangle.Bottom, marksZPosition);
array[1] = new Point3D(innerPlotRectangle.Right, innerPlotRectangle.Bottom, marksZPosition);
marksZPosition = axisY.GetMarksZPosition(out axisOnEdge);
array[2] = new Point3D(innerPlotRectangle.X, innerPlotRectangle.Y, marksZPosition);
array[3] = new Point3D(innerPlotRectangle.X, innerPlotRectangle.Bottom, marksZPosition);
marksZPosition = axisX2.GetMarksZPosition(out axisOnEdge);
array[4] = new Point3D(innerPlotRectangle.X, innerPlotRectangle.Y, marksZPosition);
array[5] = new Point3D(innerPlotRectangle.Right, innerPlotRectangle.Y, marksZPosition);
marksZPosition = axisY2.GetMarksZPosition(out axisOnEdge);
array[6] = new Point3D(innerPlotRectangle.X, innerPlotRectangle.Y, marksZPosition);
array[7] = new Point3D(innerPlotRectangle.X, innerPlotRectangle.Bottom, marksZPosition);
}
Axis[] axes = chartArea.Axes;
foreach (Axis obj in axes)
{
obj.crossing = obj.tempCrossing;
}
matrix3D.TransformPoints(array);
int num = 0;
axes = chartArea.Axes;
foreach (Axis axis in axes)
{
double num2 = Math.Sqrt((array[num].X - array[num + 1].X) * (array[num].X - array[num + 1].X) + (array[num].Y - array[num + 1].Y) * (array[num].Y - array[num + 1].Y));
float num3 = 1f;
if (!chartArea.switchValueAxes)
{
num3 = 0.5f;
}
if (axis.Type == AxisName.X || axis.Type == AxisName.X2)
{
if (chartArea.switchValueAxes)
{
axis.interval3DCorrection = num2 / (double)innerPlotRectangle.Height;
}
else
{
axis.interval3DCorrection = num2 / (double)innerPlotRectangle.Width;
}
}
else if (chartArea.switchValueAxes)
{
axis.interval3DCorrection = num2 / (double)innerPlotRectangle.Width;
}
else
{
axis.interval3DCorrection = num2 / (double)innerPlotRectangle.Height * (double)num3;
}
if (axis.interval3DCorrection < 0.15)
{
axis.interval3DCorrection = 0.15;
}
if (axis.interval3DCorrection > 0.8)
{
axis.interval3DCorrection = 1.0;
}
num += 2;
}
}
