public WpfBezier(IBezier b)
{
_xb = b;
_fillBrush = new SolidColorBrush(_xb.Fill.ToNativeColor());
_fillBrush.Freeze();
_strokeBrush = new SolidColorBrush(_xb.Stroke.ToNativeColor());
_strokeBrush.Freeze();
_path = new Path();
_path.Tag = this;
_path.Fill = _fillBrush;
_path.Stroke = _strokeBrush;
_path.StrokeThickness = b.StrokeThickness;
_pg = new PathGeometry();
_pf = new PathFigure();
_pf.StartPoint = new Point(b.Start.X, b.Start.Y);
_pf.IsFilled = b.IsFilled;
_pf.IsClosed = b.IsClosed;
_bs = new BezierSegment();
_bs.Point1 = new Point(b.Point1.X, b.Point1.Y);
_bs.Point2 = new Point(b.Point2.X, b.Point2.Y);
_bs.Point3 = new Point(b.Point3.X, b.Point3.Y);
_pf.Segments.Add(_bs);
_pg.Figures.Add(_pf);
_path.Data = _pg;
Native = _path;
}
private void Render(Canvas canvas, IBezier bezier)
{
var paint = new Paint()
{
Color = ToNativeColor(bezier.Stroke),
StrokeWidth = (float)bezier.StrokeThickness,
AntiAlias = true,
StrokeCap = Paint.Cap.Butt
};
paint.SetStyle(Paint.Style.Stroke);
var path = new Path();
path.SetLastPoint(
(float)bezier.Start.X,
(float)bezier.Start.Y);
path.CubicTo(
(float)bezier.Point1.X,
(float)bezier.Point1.Y,
(float)bezier.Point2.X,
(float)bezier.Point2.Y,
(float)bezier.Point3.X,
(float)bezier.Point3.Y);
canvas.DrawPath(path, paint);
path.Dispose();
paint.Dispose();
}
private void Reset(IBezier bezier)
{
bezier.Id = 0;
Reset(bezier.Start);
Reset(bezier.Point1);
Reset(bezier.Point2);
Reset(bezier.Point3);
}
private void Process(IBezier bezier)
{
bezier.Id = NextId();
Process(bezier.Start);
Process(bezier.Point1);
Process(bezier.Point2);
Process(bezier.Point3);
}
private void Write(IBezier bezier)
{
Write(NativeType.Bezier);
_writer.Write(bezier.Id);
Write(bezier.Start);
Write(bezier.Point1);
Write(bezier.Point2);
Write(bezier.Point3);
Write(bezier.Stroke);
_writer.Write(bezier.StrokeThickness);
Write(bezier.Fill);
_writer.Write(bezier.IsFilled);
_writer.Write(bezier.IsClosed);
}
public IBezier Convert(IBezier bezier)
{
return(new XBezier()
{
Start = Convert(bezier.Start),
Point1 = Convert(bezier.Point1),
Point2 = Convert(bezier.Point2),
Point3 = Convert(bezier.Point3),
Stroke = Convert(bezier.Stroke),
StrokeThickness = bezier.StrokeThickness,
Fill = Convert(bezier.Fill),
IsFilled = bezier.IsFilled,
IsClosed = bezier.IsClosed
});
}
private static IEnumerable <float> FindIntersections <TVector>(
IBezier <TVector> bezier,
Ray <TVector> ray,
float epsilon,
Range <float> t1,
int depth) where TVector : IVector <TVector>
{
var bounds = bezier.GetBounds();
if (Intersect.s(ray, bounds))
{
var intersections1 = new float[] { };
var intersections2 = new float[] { };
foreach (var t in intersections1)
{
yield return(t);
}
foreach (var t in intersections2)
{
yield return(t);
}
}
}
private void Write(IBezier bezier)
{
Write(NativeType.Bezier);
_writer.Write(bezier.Id);
Write(bezier.Start);
Write(bezier.Point1);
Write(bezier.Point2);
Write(bezier.Point3);
Write(bezier.Stroke);
_writer.Write(bezier.StrokeThickness);
Write(bezier.Fill);
_writer.Write(bezier.IsFilled);
_writer.Write(bezier.IsClosed);
}
public IBezier Convert(IBezier bezier)
{
return bezier;
}
public WpfBezier(IBezier b)
{
_xb = b;
_fillBrush = new SolidColorBrush(_xb.Fill.ToNativeColor());
_fillBrush.Freeze();
_strokeBrush = new SolidColorBrush(_xb.Stroke.ToNativeColor());
_strokeBrush.Freeze();
_path = new Path();
_path.Tag = this;
_path.Fill = _fillBrush;
_path.Stroke = _strokeBrush;
_path.StrokeThickness = b.StrokeThickness;
_pg = new PathGeometry();
_pf = new PathFigure();
_pf.StartPoint = new Point(b.Start.X, b.Start.Y);
_pf.IsFilled = b.IsFilled;
_pf.IsClosed = b.IsClosed;
_bs = new BezierSegment();
_bs.Point1 = new Point(b.Point1.X, b.Point1.Y);
_bs.Point2 = new Point(b.Point2.X, b.Point2.Y);
_bs.Point3 = new Point(b.Point3.X, b.Point3.Y);
_pf.Segments.Add(_bs);
_pg.Figures.Add(_pf);
_path.Data = _pg;
Native = _path;
}
public IBezier Convert(IBezier bezier)
{
return new WpfBezier(bezier);
}
public IBezier Convert(IBezier bezier)
{
return(bezier);
}
private void DrawBezier(XGraphics gfx, IBezier bezier)
{
var pen = new XPen(
ToXColor(bezier.Stroke),
X(bezier.StrokeThickness));
gfx.DrawBezier(pen,
X(bezier.Start.X), Y(bezier.Start.Y),
X(bezier.Point1.X), Y(bezier.Point1.Y),
X(bezier.Point2.X), Y(bezier.Point2.Y),
X(bezier.Point3.X), Y(bezier.Point3.Y));
}
public IBounds Create(ICanvas canvas, IBezier bezier)
{
return new BezierBounds(
_nativeConverter,
_canvasFactory,
canvas,
bezier,
15.0,
0.0);
}
public XBezierEditor(
INativeConverter nativeConverter,
ICanvasFactory canvasFactory,
IBoundsFactory boundsFactory,
ICanvas canvas)
{
_canvas = canvas;
Name = "Bézier";
Key = "B";
Modifiers = "";
var moves = _canvas.Moves.Where(_ => _canvas.IsCaptured);
var drags = Observable.Merge(_canvas.Downs, _canvas.Ups, moves);
_downs = _canvas.Downs.Where(_ => IsEnabled).Subscribe(p =>
{
if (_canvas.IsCaptured)
{
switch (_state)
{
case State.Start:
{
//_xb.Point3.X = p.X;
//_xb.Point3.Y = p.Y;
//_nb.Point3 = _xb.Point3;
//_xb.Point2.X = p.X;
//_xb.Point2.Y = p.Y;
//_nb.Point2 = _xb.Point2;
#if CONNECTORS
ConnectPoint3(p);
#endif
_nb.Bounds.Update();
_canvas.Render(null);
_state = State.Point1;
}
break;
case State.Point1:
{
//_xb.Point1.X = p.X;
//_xb.Point1.Y = p.Y;
//_nb.Point1 = _xb.Point1;
#if CONNECTORS
ConnectPoint1(p);
#endif
_nb.Bounds.Update();
_canvas.Render(null);
_state = State.Point2;
}
break;
case State.Point2:
{
//_xb.Point2.X = p.X;
//_xb.Point2.Y = p.Y;
//_nb.Point2 = _xb.Point2;
#if CONNECTORS
ConnectPoint2(p);
#endif
_nb.Bounds.Hide();
_canvas.Render(null);
_state = State.None;
_canvas.ReleaseCapture();
}
break;
}
}
else
{
_xb = canvasFactory.CreateBezier();
_xb.Start.X = p.X;
_xb.Start.Y = p.Y;
_xb.Point1.X = p.X;
_xb.Point1.Y = p.Y;
_xb.Point2.X = p.X;
_xb.Point2.Y = p.Y;
_xb.Point3.X = p.X;
_xb.Point3.Y = p.Y;
_nb = nativeConverter.Convert(_xb);
_canvas.History.Snapshot(_canvas);
#if CONNECTORS
ConnectStart(p);
#endif
_canvas.Add(_nb);
_nb.Bounds = boundsFactory.Create(_canvas, _nb);
_nb.Bounds.Update();
_nb.Bounds.Show();
_canvas.Render(null);
_canvas.Capture();
_state = State.Start;
}
});
_drags = drags.Where(_ => IsEnabled).Subscribe(p =>
{
switch (_state)
{
case State.Start:
{
_xb.Point3.X = p.X;
_xb.Point3.Y = p.Y;
_nb.Point3 = _xb.Point3;
_xb.Point2.X = p.X;
_xb.Point2.Y = p.Y;
_nb.Point2 = _xb.Point2;
_nb.Bounds.Update();
_canvas.Render(null);
}
break;
case State.Point1:
{
_xb.Point1.X = p.X;
_xb.Point1.Y = p.Y;
_nb.Point1 = _xb.Point1;
_nb.Bounds.Update();
_canvas.Render(null);
}
break;
case State.Point2:
{
_xb.Point2.X = p.X;
_xb.Point2.Y = p.Y;
_nb.Point2 = _xb.Point2;
_nb.Bounds.Update();
_canvas.Render(null);
}
break;
}
});
}
private void Process(IBezier bezier)
{
bezier.Id = NextId();
Process(bezier.Start);
Process(bezier.Point1);
Process(bezier.Point2);
Process(bezier.Point3);
}
public IBezier Convert(IBezier bezier)
{
return(new WpfBezier(bezier));
}
private void Reset(IBezier bezier)
{
bezier.Id = 0;
Reset(bezier.Start);
Reset(bezier.Point1);
Reset(bezier.Point2);
Reset(bezier.Point3);
}
public BezierBounds(
INativeConverter nativeConverter,
ICanvasFactory canvasFactory,
ICanvas canvas,
IBezier bezier,
double size,
double offset)
{
_bezier = bezier;
_size = size;
_offset = offset;
_canvas = canvas;
InitBounds(nativeConverter, canvasFactory);
}
