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)); }