internal GraphicsPath GetPath(GaugeGraphics g, bool getShadowPath)
{
if (getShadowPath && (!base.Visible || base.ShadowOffset == 0f))
{
return(null);
}
GetScale().SetDrawRegion(g);
CircularScale scale = GetScale();
RectangleF rect = CalculateRangeRectangle();
double valueLimit = scale.GetValueLimit(StartValue);
double valueLimit2 = scale.GetValueLimit(EndValue);
float positionFromValue = scale.GetPositionFromValue(valueLimit);
float positionFromValue2 = scale.GetPositionFromValue(valueLimit2);
if (Math.Round(positionFromValue2 - positionFromValue, 4) == 0.0)
{
g.RestoreDrawRegion();
return(null);
}
GraphicsPath circularRangePath = g.GetCircularRangePath(rect, positionFromValue + 90f, positionFromValue2 - positionFromValue, StartWidth, EndWidth, Placement);
if (circularRangePath != null && getShadowPath)
{
using (Matrix matrix = new Matrix())
{
matrix.Translate(base.ShadowOffset, base.ShadowOffset);
circularRangePath.Transform(matrix);
}
}
PointF pointF = new PointF(g.Graphics.Transform.OffsetX, g.Graphics.Transform.OffsetY);
g.RestoreDrawRegion();
PointF pointF2 = new PointF(g.Graphics.Transform.OffsetX, g.Graphics.Transform.OffsetY);
if (circularRangePath != null)
{
using (Matrix matrix2 = new Matrix())
{
matrix2.Translate(pointF.X - pointF2.X, pointF.Y - pointF2.Y);
circularRangePath.Transform(matrix2);
return(circularRangePath);
}
}
return(circularRangePath);
}
internal override void Render(GaugeGraphics g)
{
if (Common == null || !base.Visible || GetScale() == null)
{
return;
}
Common.GaugeCore.TraceWrite("GaugePaint", SR.TraceStartRendering(Name));
g.StartHotRegion(this);
GetScale().SetDrawRegion(g);
RectangleF rectangleF = CalculateRangeRectangle();
CircularScale scale = GetScale();
double valueLimit = scale.GetValueLimit(StartValue);
double valueLimit2 = scale.GetValueLimit(EndValue);
float positionFromValue = scale.GetPositionFromValue(valueLimit);
float num = scale.GetPositionFromValue(valueLimit2) - positionFromValue;
if (Math.Round(num, 4) == 0.0)
{
g.RestoreDrawRegion();
g.EndHotRegion();
Common.GaugeCore.TraceWrite("GaugePaint", SR.TraceRenderingComplete(Name));
return;
}
Pen pen = null;
Brush brush = null;
GraphicsPath graphicsPath = null;
try
{
graphicsPath = g.GetCircularRangePath(rectangleF, positionFromValue + 90f, num, StartWidth, EndWidth, Placement);
if (graphicsPath == null)
{
g.RestoreDrawRegion();
g.EndHotRegion();
Common.GaugeCore.TraceWrite("GaugePaint", SR.TraceRenderingComplete(Name));
return;
}
RectangleF rect = rectangleF;
if (Placement != 0)
{
float num2 = StartWidth;
if (num2 < EndWidth)
{
num2 = EndWidth;
}
if (Placement == Placement.Outside)
{
rect.Inflate(num2, num2);
}
else
{
rect.Inflate(num2 / 2f, num2 / 2f);
}
}
RangeGradientType fillGradientType = base.FillGradientType;
brush = g.GetCircularRangeBrush(rect, positionFromValue + 90f, num, base.FillColor, base.FillHatchStyle, "", GaugeImageWrapMode.Unscaled, Color.Empty, GaugeImageAlign.TopLeft, fillGradientType, base.FillGradientEndColor);
pen = new Pen(base.BorderColor, base.BorderWidth);
pen.DashStyle = g.GetPenStyle(base.BorderStyle);
g.FillPath(brush, graphicsPath);
if (base.BorderStyle != 0 && base.BorderWidth > 0)
{
g.DrawPath(pen, graphicsPath);
}
}
catch (Exception)
{
graphicsPath?.Dispose();
pen?.Dispose();
brush?.Dispose();
g.RestoreDrawRegion();
throw;
}
Common.GaugeCore.HotRegionList.SetHotRegion(this, g.GetAbsolutePoint(GetScale().GetPivotPoint()), graphicsPath);
g.RestoreDrawRegion();
g.EndHotRegion();
Common.GaugeCore.TraceWrite("GaugePaint", SR.TraceRenderingComplete(Name));
}
