// credit for the this function is given to Aaron Reginald http://www.codeproject.com/cs/media/ExtendedGraphics.asp
private PdnGraphicsPath GetCapsule(RectangleF baseRect)
{
float diameter;
RectangleF arc;
PdnGraphicsPath path = new PdnGraphicsPath();
try
{
if (baseRect.Width > baseRect.Height)
{
// return horizontal capsule
diameter = baseRect.Height;
SizeF sizeF = new SizeF(diameter, diameter);
arc = new RectangleF(baseRect.Location, sizeF);
path.AddArc(arc, 90, 180);
arc.X = baseRect.Right - diameter;
path.AddArc(arc, 270, 180);
}
else if (baseRect.Width < baseRect.Height)
{
// return vertical capsule
diameter = baseRect.Width;
SizeF sizeF = new SizeF(diameter, diameter);
arc = new RectangleF(baseRect.Location, sizeF);
path.AddArc(arc, 180, 180);
arc.Y = baseRect.Bottom - diameter;
path.AddArc(arc, 0, 180);
}
else
{ // return circle
path.AddEllipse(baseRect);
}
}
catch (Exception)
{
path.AddEllipse(baseRect);
}
finally
{
path.CloseFigure();
}
return(path);
}
// credit for the this function is given to Aaron Reginald http://www.codeproject.com/cs/media/ExtendedGraphics.asp
protected PdnGraphicsPath GetRoundedRect(RectangleF baseRect, float radius)
{
// if corner radius is less than or equal to zero,
// return the original rectangle
if (radius <= 0.0f)
{
PdnGraphicsPath mPath = new PdnGraphicsPath();
mPath.AddRectangle(baseRect);
mPath.CloseFigure();
return(mPath);
}
// if the corner radius is greater than or equal to
// half the width, or height (whichever is shorter)
// then return a capsule instead of a lozenge
if (radius >= (Math.Min(baseRect.Width, baseRect.Height)) / 2.0)
{
return(GetCapsule(baseRect));
}
// create the arc for the rectangle sides and declare
// a graphics path object for the drawing
float diameter = radius * 2.0f;
SizeF sizeF = new SizeF(diameter, diameter);
RectangleF arc = new RectangleF(baseRect.Location, sizeF);
PdnGraphicsPath path = new PdnGraphicsPath();
// top left arc
path.AddArc(arc, 180, 90);
// top right arc
arc.X = baseRect.Right - diameter;
path.AddArc(arc, 270, 90);
// bottom right arc
arc.Y = baseRect.Bottom - diameter;
path.AddArc(arc, 0, 90);
// bottom left arc
arc.X = baseRect.Left;
path.AddArc(arc, 90, 90);
path.CloseFigure();
return(path);
}
// credit for the this function is given to Aaron Reginald http://www.codeproject.com/cs/media/ExtendedGraphics.asp
private PdnGraphicsPath GetCapsule(RectangleF baseRect)
{
float diameter;
RectangleF arc;
PdnGraphicsPath path = new PdnGraphicsPath();
try
{
if (baseRect.Width>baseRect.Height)
{
// return horizontal capsule
diameter = baseRect.Height;
SizeF sizeF = new SizeF(diameter, diameter);
arc = new RectangleF(baseRect.Location, sizeF);
path.AddArc(arc, 90, 180);
arc.X = baseRect.Right-diameter;
path.AddArc(arc, 270, 180);
}
else if (baseRect.Width < baseRect.Height)
{
// return vertical capsule
diameter = baseRect.Width;
SizeF sizeF = new SizeF(diameter, diameter);
arc = new RectangleF(baseRect.Location, sizeF);
path.AddArc(arc, 180, 180);
arc.Y = baseRect.Bottom-diameter;
path.AddArc(arc, 0, 180);
}
else
{ // return circle
path.AddEllipse(baseRect);
}
}
catch (Exception)
{
path.AddEllipse(baseRect);
}
finally
{
path.CloseFigure();
}
return path;
}
// credit for the this function is given to Aaron Reginald http://www.codeproject.com/cs/media/ExtendedGraphics.asp
protected PdnGraphicsPath GetRoundedRect(RectangleF baseRect, float radius)
{
// if corner radius is less than or equal to zero,
// return the original rectangle
if (radius <= 0.0f)
{
PdnGraphicsPath mPath = new PdnGraphicsPath();
mPath.AddRectangle(baseRect);
mPath.CloseFigure();
return mPath;
}
// if the corner radius is greater than or equal to
// half the width, or height (whichever is shorter)
// then return a capsule instead of a lozenge
if (radius >= (Math.Min(baseRect.Width, baseRect.Height)) / 2.0)
{
return GetCapsule(baseRect);
}
// create the arc for the rectangle sides and declare
// a graphics path object for the drawing
float diameter = radius * 2.0f;
SizeF sizeF = new SizeF(diameter, diameter);
RectangleF arc = new RectangleF(baseRect.Location, sizeF);
PdnGraphicsPath path = new PdnGraphicsPath();
// top left arc
path.AddArc (arc, 180, 90);
// top right arc
arc.X = baseRect.Right - diameter;
path.AddArc (arc, 270, 90);
// bottom right arc
arc.Y = baseRect.Bottom - diameter;
path.AddArc (arc, 0, 90);
// bottom left arc
arc.X = baseRect.Left;
path.AddArc (arc, 90, 90);
path.CloseFigure();
return path;
}