public GraphicsPath GetPointerPath(GaugeGraphics g)
{
if (!this.Visible)
{
return(null);
}
GraphicsPath graphicsPath = new GraphicsPath();
float positionFromValue = this.GetScale().GetPositionFromValue(base.Position);
PointF absolutePoint = g.GetAbsolutePoint(this.GetScale().GetPivotPoint());
KnobStyleAttrib knobStyleAttrib = this.GetKnobStyleAttrib(g, absolutePoint, positionFromValue);
if (knobStyleAttrib.paths != null && knobStyleAttrib.paths[0] != null)
{
graphicsPath.AddPath(knobStyleAttrib.paths[0], false);
}
return(graphicsPath);
}
public KnobStyleAttrib GetKnobStyleAttrib(GaugeGraphics g, PointF pointOrigin, float angle)
{
KnobStyleAttrib knobStyleAttrib = new KnobStyleAttrib();
if (this.Image != "" && this.CapImage != "")
{
return(knobStyleAttrib);
}
float absoluteDimension = g.GetAbsoluteDimension(this.Width);
float num = (float)(this.CapWidth / 100.0 * absoluteDimension);
knobStyleAttrib.paths = new GraphicsPath[6];
knobStyleAttrib.brushes = new Brush[6];
if (this.Image == "")
{
knobStyleAttrib.paths[0] = this.GetKnobPath(g, absoluteDimension, (float)(absoluteDimension * 0.5));
}
else
{
knobStyleAttrib.paths[0] = null;
}
if (this.CapVisible && this.CapImage == "")
{
if (this.CapShadowOffset != 0.0)
{
knobStyleAttrib.paths[1] = new GraphicsPath();
knobStyleAttrib.paths[1].AddEllipse((float)(0.0 - num + this.CapShadowOffset), (float)(0.0 - num + this.CapShadowOffset), (float)(num * 2.0), (float)(num * 2.0));
using (Matrix matrix = new Matrix())
{
matrix.Translate(pointOrigin.X, pointOrigin.Y, MatrixOrder.Append);
knobStyleAttrib.paths[1].Transform(matrix);
}
}
knobStyleAttrib.paths[2] = new GraphicsPath();
knobStyleAttrib.paths[2].AddEllipse((float)(0.0 - num), (float)(0.0 - num), (float)(num * 2.0), (float)(num * 2.0));
}
else
{
if (this.CapShadowOffset == 0.0)
{
knobStyleAttrib.paths[1] = null;
}
knobStyleAttrib.paths[2] = null;
}
float y = (float)(this.MarkerPosition / 100.0 * absoluteDimension * 2.0);
float num2 = (float)(this.MarkerWidth / 100.0 * absoluteDimension * 2.0);
float markerHeight = (float)(this.MarkerLength / 100.0 * absoluteDimension * 2.0);
PointF point = new PointF(0f, y);
knobStyleAttrib.paths[3] = g.CreateMarker(point, num2, markerHeight, this.MarkerStyle);
using (Matrix matrix2 = new Matrix())
{
matrix2.RotateAt(180f, point, MatrixOrder.Append);
if (!this.MarkerRotateGradient)
{
matrix2.Rotate(angle, MatrixOrder.Append);
matrix2.Translate(pointOrigin.X, pointOrigin.Y, MatrixOrder.Append);
}
knobStyleAttrib.paths[3].Transform(matrix2);
}
if (this.Image == "" && knobStyleAttrib.paths[0] != null)
{
float angle2 = (float)(this.RotateGradient ? angle : 0.0);
knobStyleAttrib.brushes[0] = this.GetFillBrush(g, knobStyleAttrib.paths[0], pointOrigin, angle2, this.FillColor, this.FillGradientType, this.FillGradientEndColor, this.FillHatchStyle);
}
else
{
knobStyleAttrib.brushes[0] = null;
}
if (this.CapVisible && this.CapImage == "")
{
if (this.CapShadowOffset != 0.0)
{
knobStyleAttrib.brushes[1] = g.GetShadowBrush();
}
float angle3 = (float)(this.CapRotateGradient ? angle : 0.0);
knobStyleAttrib.brushes[2] = this.GetFillBrush(g, knobStyleAttrib.paths[2], pointOrigin, angle3, this.CapFillColor, this.CapFillGradientType, this.CapFillGradientEndColor, this.CapFillHatchStyle);
}
else
{
if (this.CapShadowOffset == 0.0)
{
knobStyleAttrib.brushes[1] = null;
}
knobStyleAttrib.brushes[2] = null;
}
float angle4 = (float)(this.MarkerRotateGradient ? angle : 0.0);
PointF pointOrigin2 = pointOrigin;
if (!this.MarkerRotateGradient)
{
pointOrigin2 = new PointF(0f, 0f);
}
knobStyleAttrib.brushes[3] = g.GetMarkerBrush(knobStyleAttrib.paths[3], this.MarkerStyle, pointOrigin2, angle4, this.MarkerFillColor, this.MarkerFillGradientType, this.MarkerFillGradientEndColor, this.MarkerFillHatchStyle);
if (this.CapVisible && this.CapReflection && this.CapImage == "")
{
g.GetCircularEdgeReflection(knobStyleAttrib.paths[2].GetBounds(), 135f, 200, pointOrigin, out knobStyleAttrib.paths[4], out knobStyleAttrib.brushes[4]);
g.GetCircularEdgeReflection(knobStyleAttrib.paths[2].GetBounds(), 315f, 128, pointOrigin, out knobStyleAttrib.paths[5], out knobStyleAttrib.brushes[5]);
}
else
{
knobStyleAttrib.paths[4] = null;
knobStyleAttrib.paths[5] = null;
knobStyleAttrib.brushes[4] = null;
knobStyleAttrib.brushes[5] = null;
}
using (Matrix matrix3 = new Matrix())
{
matrix3.Rotate(angle, MatrixOrder.Append);
matrix3.Translate(pointOrigin.X, pointOrigin.Y, MatrixOrder.Append);
if (knobStyleAttrib.paths[0] != null)
{
knobStyleAttrib.paths[0].Transform(matrix3);
}
if (knobStyleAttrib.paths[2] != null)
{
knobStyleAttrib.paths[2].Transform(matrix3);
}
if (knobStyleAttrib.paths[3] != null)
{
if (this.MarkerRotateGradient)
{
knobStyleAttrib.paths[3].Transform(matrix3);
return(knobStyleAttrib);
}
return(knobStyleAttrib);
}
return(knobStyleAttrib);
}
}
public override void Render(GaugeGraphics g)
{
if (this.Common != null && this.Visible && this.GetScale() != null)
{
g.StartHotRegion(this);
this.GetScale().SetDrawRegion(g);
if (this.Image != "" && this.CapImage != "")
{
this.DrawImage(g, true, false);
this.DrawImage(g, false, false);
this.SetAllHotRegions(g);
g.RestoreDrawRegion();
g.EndHotRegion();
}
else
{
if (this.Image != "")
{
this.DrawImage(g, true, false);
}
float positionFromValue = this.GetScale().GetPositionFromValue(base.Position);
PointF absolutePoint = g.GetAbsolutePoint(this.GetScale().GetPivotPoint());
Pen pen = new Pen(base.BorderColor, (float)base.BorderWidth);
pen.DashStyle = g.GetPenStyle(base.BorderStyle);
if (pen.DashStyle != 0)
{
pen.Alignment = PenAlignment.Center;
}
KnobStyleAttrib knobStyleAttrib = this.GetKnobStyleAttrib(g, absolutePoint, positionFromValue);
try
{
if (knobStyleAttrib.paths != null)
{
for (int i = 0; i < knobStyleAttrib.paths.Length; i++)
{
if (knobStyleAttrib.brushes[i] != null && knobStyleAttrib.paths[i] != null)
{
g.FillPath(knobStyleAttrib.brushes[i], knobStyleAttrib.paths[i]);
}
}
if (base.BorderWidth > 0 && knobStyleAttrib.paths[0] != null)
{
g.DrawPath(pen, knobStyleAttrib.paths[0]);
}
if (knobStyleAttrib.paths[0] != null)
{
this.AddHotRegion((GraphicsPath)knobStyleAttrib.paths[0].Clone(), true);
}
}
}
finally
{
knobStyleAttrib.Dispose();
}
if (this.CapImage != "")
{
this.DrawImage(g, false, false);
}
this.SetAllHotRegions(g);
g.RestoreDrawRegion();
g.EndHotRegion();
}
}
}
