public void FillShape(SolidBrush P, PolyLine Shape)
{
// GL.BlendFunc(BlendingFactorSrc.SrcAlpha, BlendingFactorDest.OneMinusSrcAlpha);
if (P.Color.A < 255)
{
GL.Enable(EnableCap.Blend);
}
var polygon = new Polygon();
List <Vertex> V = new List <Vertex>();
for (int i = 0; i < Shape.Count(); i++)
{
V.Add(new Vertex(Shape.Vertices[i].X, Shape.Vertices[i].Y));
}
polygon.AddContour(V);
var options = new ConstraintOptions()
{
ConformingDelaunay = true
};
var quality = new QualityOptions()
{
MinimumAngle = 25
};
var mesh = polygon.Triangulate(options, quality);
GL.Begin(BeginMode.Triangles);
GL.Color4(P.Color.R, P.Color.G, P.Color.B, P.Color.A);
foreach (var t in mesh.Triangles)
{
var A = t.GetVertex(0);
var B = t.GetVertex(1);
var C = t.GetVertex(2);
GL.Vertex2(A.X, A.Y);
GL.Vertex2(B.X, B.Y);
GL.Vertex2(C.X, C.Y);
}
GL.End();
}
