public void FillPie(Brush brush, System.Drawing.Rectangle rect, float startAngleDeg, float endAngleDeg)
{
SolidBrush solidBrush = brush as SolidBrush;
// throw new NotImplementedException();
double originX = (rect.Left + rect.Right) / 2.0;
double originY = (rect.Top + rect.Bottom) / 2.0;
double radiusX = (rect.Height) / 2.0;
double radiusY = (rect.Width) / 2.0;
IVertexSource arcpath;
if (Math.Abs (endAngleDeg - startAngleDeg) >= 360.0) {
// if it's a full circle, we don't need to connect to the origin
arcpath = new arc(originX,originY,radiusX,radiusY,DegreesToRadians(startAngleDeg),DegreesToRadians(endAngleDeg),moveToStart:true);
} else {
// if it's a partial arc, we need to connect to the origin
var path = new PathStorage();
path.MoveTo(originX,originY);
path.concat_path(new arc(originX,originY,radiusX,radiusY,DegreesToRadians(startAngleDeg),DegreesToRadians(endAngleDeg),moveToStart:false));
path.LineTo(originX,originY);
arcpath = path;
}
_InternalRender(arcpath, new RGBA_Bytes((uint)solidBrush.Color.ToArgb()));
}
public void DrawArc(Pen pen, System.Drawing.Rectangle rect, float startAngleDeg, float endAngleDeg)
{
// throw new NotImplementedException();
double originX = (rect.Left + rect.Right) / 2.0;
double originY = (rect.Top + rect.Bottom) / 2.0;
double radiusX = (rect.Height) / 2.0;
double radiusY = (rect.Width) / 2.0;
var arcshape = new arc(
originX,originY,
radiusX,radiusY,
DegreesToRadians(startAngleDeg),DegreesToRadians(endAngleDeg)
);
var stroke = new Stroke(arcshape,pen.Width);
_InternalRender(stroke, new RGBA_Bytes((uint)pen.Color.ToArgb()) );
}
