void CreateChart()
{
pies.Clear();
// define the figure origin and size
var figureOrigin = new D2DPoint(300, 300);
var figureSize = new D2DSize(300, 300);
var records = new float[] { .6f, .3f, .1f };
float currentAngle = 0;
// create pie geometries from records
foreach (var record in records)
{
var angleSpan = record * 360;
var path = Device.CreatePieGeometry(figureOrigin, figureSize, currentAngle, currentAngle + angleSpan);
pies.Add(new PieInfo {
path = path, color = D2DColor.Randomly()
});
currentAngle += angleSpan;
}
Invalidate();
}
public void DrawPolygon(PointF[] ps, Color strokeColor, float weight, Color fillColor)
{
D2DPoint[] pt = new D2DPoint[ps.Length];
for (int i = 0; i < ps.Length; i++)
{
pt[i] = new D2DPoint(ps[i].X, ps[i].Y);
}
this.g.DrawPolygon(pt, D2DColor.FromGDIColor(strokeColor), weight, D2DDashStyle.Solid, D2DColor.FromGDIColor(fillColor));
}
public Matrix3 Translate(D2DPoint p)
{
Translate(p.x, p.y);
return(this);
}
