public Geometry CreateGeometry(Direct2DFactory factory)
{
PathGeometry geometry = factory.CreatePathGeometry();
//using (GeometrySink sink = geometry.Open())
//{
// sink.BeginFigure(Project(this._points[0]), FigureBegin.Hollow);
// for (int index = 1; index < this._points.Length; ++index)
// {
// sink.AddLine(Project(this._points[index]));
// }
// sink.EndFigure(FigureEnd.Open);
// sink.Close();
//}
List <Geometry> list = new List <Geometry>();
//list.Add(geometry);
for (int index = 0; index < _points.Length; ++index)
{
EllipseGeometry ellipse = factory.CreateEllipseGeometry(new Ellipse(Project(_points[index]), 5, 5));
list.Add(ellipse);
}
GeometryGroup group = factory.CreateGeometryGroup(FillMode.Winding, list.ToArray());
return(group);
}
private void MainWindow_Paint(object sender, PaintEventArgs e)
{
_renderTarget.BeginDraw();
_renderTarget.Clear(Color.FromKnown(Colors.Blue, 1));
PointF center = new PointF(ClientSize.Width / 2, ClientSize.Height / 2);
_renderTarget.Transform = Matrix3x2.Rotation(_angle, center);
RoundedRect rr = new RoundedRect(new RectF(30, 30, ClientSize.Width - 60, ClientSize.Height - 60), ClientSize.Width / 2.5f, ClientSize.Height / 2.5f);
_renderTarget.FillRoundedRect(RectBrush, rr);
_renderTarget.DrawRoundedRect(_strokeBrush, 5, _strokeStyle, rr);
Ellipse ellipse = new Ellipse(ClientSize.Width / 2, ClientSize.Height / 2, ClientSize.Width / 4, ClientSize.Height / 4);
using (EllipseGeometry eg = _factory.CreateEllipseGeometry(ellipse))
{
using (Brush b = CreateEllipseBrush(ellipse))
{
_renderTarget.FillGeometry(b, eg);
_renderTarget.DrawGeometry(_strokeBrush, 5, _strokeStyle, eg);
}
}
RectF textBounds = new RectF(0, 0, ClientSize.Width, ClientSize.Height);
_renderTarget.DrawText("Hello, world!", _textFormat, textBounds, _strokeBrush, DrawTextOptions.None, MeasuringMode.Natural);
_renderTarget.DrawLine(_strokeBrush, 5, _strokeStyle, new PointF(0, 0), new PointF(ClientSize.Width, ClientSize.Height));
_renderTarget.EndDraw();
}
public void Render(RenderTarget target)
{
Direct2DFactory factory = target.GetFactory();
Color red = Color.FromRGB(128, 64, 64);
Color white = Color.FromRGB(255, 255, 255);
foreach (var star in _stars)
{
Vector4 location = star.Location;
Nullable <PointF> locN = Project(location);
if (locN != null)
{
location = location * Transform;
PointF locV = locN.Value;
double r = Math.Sqrt(location.X * location.X + location.Y * location.Y + (location.Z - PointOfView) * (location.Z - PointOfView));
double rv = Math.Sqrt(locV.X * locV.X + locV.Y * locV.Y + PointOfView * PointOfView);
double k = (rv / r);
k = k > 1 ? 1 : (k < 0 ? 0 : k);
float radius = (float)(star.Radius * rv / r);
if (radius > 0.5f)
{
if (locV.X > 0 && locV.X < ViewPortSize.Width && locV.Y > 0 && locV.Y < ViewPortSize.Height)
{
using (EllipseGeometry ellipse = factory.CreateEllipseGeometry(new Ellipse(locV, radius, radius)))
{
float hue = (float)k;
Vector4 color = new Vector4((hue + 0.45f) % 1, 1f, 0.5f, 1);
Color rgb = XMath.ColorHslToRgb(color);
Color w = white.AdjustBrightness((float)Math.Sqrt(k));
rgb = Color.Lerp(w, rgb, (float)k);
if (radius > 3)
{
Color rgb2 = rgb.AdjustBrightness(0.2f);
using (GradientStopCollection coll = target.CreateGradientStopCollection(new GradientStop[] { new GradientStop(0, rgb), new GradientStop(1, rgb2) }))
{
using (Brush brush = target.CreateRadialGradientBrush(new RadialGradientBrushProperties(locV, new PointF(radius / 22f, -radius / 2f), radius, radius),
new BrushProperties(1, Matrix3x2.Identity), coll))
{
target.FillGeometry(brush, ellipse);
}
}
}
else
{
using (SolidColorBrush brush = target.CreateSolidColorBrush(rgb))
{
target.FillGeometry(brush, ellipse);
}
}
}
}
}
}
}
}
protected override void OnRender(WindowRenderTarget renderTarget)
{
renderTarget.Clear(Color.FromKnown(Colors.Black, 1));
using (EllipseGeometry geometry = Direct2DFactory.CreateEllipseGeometry(new Graphics.Direct2D.Ellipse(ClientSize.Width / 2, ClientSize.Height / 2, ClientSize.Width / 2 - 25, ClientSize.Height / 2 - 25)))
{
using (SolidColorBrush brush = renderTarget.CreateSolidColorBrush(Color.FromKnown(Colors.Red, 1)))
{
renderTarget.DrawGeometry(brush, 50, geometry);
}
}
}
private void CreateGeometries(Direct2DFactory factory)
{
Ellipse circle1 = new Ellipse(75, 75, 50, 50);
this._circleGeometry1 = factory.CreateEllipseGeometry(circle1);
Ellipse circle2 = new Ellipse(125, 75, 50, 50);
this._circleGeometry2 = factory.CreateEllipseGeometry(circle2);
// Union
this._geometryUnion = factory.CreatePathGeometry();
using (GeometrySink sink = this._geometryUnion.Open())
{
this._circleGeometry1.CombineWithGeometry(this._circleGeometry2, CombineMode.Union, Matrix3x2.Identity, 0.25f, sink);
sink.Close();
}
// Intersect
this._geometryIntersect = factory.CreatePathGeometry();
using (GeometrySink sink = this._geometryIntersect.Open())
{
this._circleGeometry1.CombineWithGeometry(this._circleGeometry2, CombineMode.Intersect, Matrix3x2.Identity, 0.25f, sink);
sink.Close();
}
// Xor
this._geometryXor = factory.CreatePathGeometry();
using (GeometrySink sink = this._geometryXor.Open())
{
this._circleGeometry1.CombineWithGeometry(this._circleGeometry2, CombineMode.Xor, Matrix3x2.Identity, 0.25f, sink);
sink.Close();
}
// Exclude
this._geometryExclude = factory.CreatePathGeometry();
using (GeometrySink sink = this._geometryExclude.Open())
{
this._circleGeometry1.CombineWithGeometry(this._circleGeometry2, CombineMode.Exclude, Matrix3x2.Identity, 0.25f, sink);
sink.Close();
}
}
public Geometry CreateGeometry(Direct2DFactory factory)
{
PathGeometry geometry = factory.CreatePathGeometry();
using (GeometrySink sink = geometry.Open())
{
sink.BeginFigure(_points[0], FigureBegin.Hollow);
sink.AddLines(_points);
sink.EndFigure(FigureEnd.Open);
sink.Close();
}
Geometry[] list = new Geometry[_points.Length + 1];
list[0] = geometry;
for (int index = 0; index < _points.Length; ++index)
{
list[index + 1] = factory.CreateEllipseGeometry(new Ellipse(_points[index], 5, 5));
}
GeometryGroup group = factory.CreateGeometryGroup(FillMode.Winding, list);
return(group);
}
private void CreateGeometries(Direct2DFactory factory)
{
Ellipse circle1 = new Ellipse(75, 75, 50, 50);
this._circleGeometry1 = factory.CreateEllipseGeometry(circle1);
Ellipse circle2 = new Ellipse(125, 75, 50, 50);
this._circleGeometry2 = factory.CreateEllipseGeometry(circle2);
// Union
this._geometryUnion = factory.CreatePathGeometry();
using (GeometrySink sink = this._geometryUnion.Open())
{
this._circleGeometry1.CombineWithGeometry(this._circleGeometry2, CombineMode.Union, Matrix3x2.Identity, 0.25f, sink);
sink.Close();
}
// Intersect
this._geometryIntersect = factory.CreatePathGeometry();
using (GeometrySink sink = this._geometryIntersect.Open())
{
this._circleGeometry1.CombineWithGeometry(this._circleGeometry2, CombineMode.Intersect, Matrix3x2.Identity, 0.25f, sink);
sink.Close();
}
// Xor
this._geometryXor = factory.CreatePathGeometry();
using (GeometrySink sink = this._geometryXor.Open())
{
this._circleGeometry1.CombineWithGeometry(this._circleGeometry2, CombineMode.Xor, Matrix3x2.Identity, 0.25f, sink);
sink.Close();
}
// Exclude
this._geometryExclude = factory.CreatePathGeometry();
using (GeometrySink sink = this._geometryExclude.Open())
{
this._circleGeometry1.CombineWithGeometry(this._circleGeometry2, CombineMode.Exclude, Matrix3x2.Identity, 0.25f, sink);
sink.Close();
}
}
