private void PaintControl(Graphics g, Rectangle clipRectangle)
{
if ( g == null ) return;
if ( clipRectangle == null || clipRectangle.IsEmpty ) return;
float distRing1 = -(this.Width * 5) / 100; // 5%
float distRing2 = -(this.Width * 10) / 100; // 10%
float distArcRing = -(this.Width * 4) / 100; // 4%
float distInnerCircle = -(this.Width * 30) / 100; // 30%
RectangleF externalRing1 = RectangleF.Inflate(this.ClientRectangle, distRing1, distRing1);
RectangleF externalRing2 = RectangleF.Inflate(this.ClientRectangle, distRing2, distRing2);
RectangleF innerEllipseRing = RectangleF.Inflate(this.ClientRectangle, distInnerCircle, distInnerCircle);
RectangleF progressArcRing = RectangleF.Inflate(this.ClientRectangle, distArcRing, distArcRing);
using ( var smoothDrawing = new SmoothDrawing(g) )
using ( var progressCircleBrush = new SolidBrush(ProgressColor) )
{
// Set smooth drawing
g.SmoothingMode = SmoothingMode.AntiAlias;
// Paint inner circular progress
PaintProgress(g, progressCircleBrush, innerEllipseRing, externalRing2);
// Draw progress arc
using ( var penProgressArc = new Pen(ProgressColor, 3.0f) )
{
float progressAngle = 0;
if ( Style == ProgressBarStyle.Marquee )
progressAngle = 360 * CalcScaledValue(_marqueeValue);
else
progressAngle = 360 * ScaledValue;
try
{
g.DrawArc(penProgressArc, progressArcRing, 270, progressAngle);
}
catch { }
}
// Draw the circular extenal ring
using ( GraphicsPath p1 = new GraphicsPath() )
{
p1.AddEllipse(externalRing1);
using ( Region r1 = new Region(p1) )
using ( GraphicsPath p2 = new GraphicsPath() )
{
p2.AddEllipse(externalRing2);
r1.Exclude(p2);
g.FillRegion(Brushes.WhiteSmoke, r1);
}
}
// Draw the ring border
g.DrawEllipse(Pens.White, externalRing1);
g.DrawEllipse(Pens.White, externalRing2);
// Draw the inner Ellipse
g.FillEllipse(Brushes.WhiteSmoke, innerEllipseRing);
g.DrawEllipse(Pens.White, innerEllipseRing);
if ( Style != ProgressBarStyle.Marquee )
{
// Draw the the progress percent
using ( System.Drawing.StringFormat drawFormat = new System.Drawing.StringFormat() )
{
g.TextRenderingHint = System.Drawing.Text.TextRenderingHint.ClearTypeGridFit;
drawFormat.Alignment = StringAlignment.Center;
drawFormat.LineAlignment = StringAlignment.Center;
string percentString = this.Value.ToString() + "%";
g.DrawString(percentString, this.Font, progressCircleBrush, this.ClientRectangle, drawFormat);
}
}
}
}
private void PaintControl(Graphics g, Rectangle clipRectangle)
{
if (g == null)
{
return;
}
if (clipRectangle == null || clipRectangle.IsEmpty)
{
return;
}
float distRing1 = -(this.Width * 5) / 100; // 5%
float distRing2 = -(this.Width * 10) / 100; // 10%
float distArcRing = -(this.Width * 4) / 100; // 4%
float distInnerCircle = -(this.Width * 30) / 100; // 30%
RectangleF externalRing1 = RectangleF.Inflate(this.ClientRectangle, distRing1, distRing1);
RectangleF externalRing2 = RectangleF.Inflate(this.ClientRectangle, distRing2, distRing2);
RectangleF innerEllipseRing = RectangleF.Inflate(this.ClientRectangle, distInnerCircle, distInnerCircle);
RectangleF progressArcRing = RectangleF.Inflate(this.ClientRectangle, distArcRing, distArcRing);
using (var smoothDrawing = new SmoothDrawing(g))
using (var progressCircleBrush = new SolidBrush(ProgressColor))
{
// Set smooth drawing
g.SmoothingMode = SmoothingMode.AntiAlias;
// Paint inner circular progress
PaintProgress(g, progressCircleBrush, innerEllipseRing, externalRing2);
// Draw progress arc
using (var penProgressArc = new Pen(ProgressColor, 3.0f))
{
float progressAngle = 0;
if (Style == ProgressBarStyle.Marquee)
{
progressAngle = 360 * CalcScaledValue(_marqueeValue);
}
else
{
progressAngle = 360 * ScaledValue;
}
try
{
g.DrawArc(penProgressArc, progressArcRing, 270, progressAngle);
}
catch { }
}
// Draw the circular extenal ring
using (GraphicsPath p1 = new GraphicsPath())
{
p1.AddEllipse(externalRing1);
using (Region r1 = new Region(p1))
using (GraphicsPath p2 = new GraphicsPath())
{
p2.AddEllipse(externalRing2);
r1.Exclude(p2);
g.FillRegion(Brushes.WhiteSmoke, r1);
}
}
// Draw the ring border
g.DrawEllipse(Pens.White, externalRing1);
g.DrawEllipse(Pens.White, externalRing2);
// Draw the inner Ellipse
g.FillEllipse(Brushes.WhiteSmoke, innerEllipseRing);
g.DrawEllipse(Pens.White, innerEllipseRing);
if (Style != ProgressBarStyle.Marquee)
{
// Draw the the progress percent
using (System.Drawing.StringFormat drawFormat = new System.Drawing.StringFormat())
{
g.TextRenderingHint = System.Drawing.Text.TextRenderingHint.ClearTypeGridFit;
drawFormat.Alignment = StringAlignment.Center;
drawFormat.LineAlignment = StringAlignment.Center;
string percentString = this.Value.ToString() + "%";
g.DrawString(percentString, this.Font, progressCircleBrush, this.ClientRectangle, drawFormat);
}
}
}
}
