/// <summary>
/// Initialize new instance of <see cref="ToolQuadraticBezierSelection"/> class.
/// </summary>
/// <param name="layer">The selection shapes layer.</param>
/// <param name="shape">The selected shape.</param>
/// <param name="style">The selection shapes style.</param>
/// <param name="point">The selection point shape.</param>
public ToolQuadraticBezierSelection(LayerContainer layer, IQuadraticBezier shape, ShapeStyle style, BaseShape point)
{
_layer = layer;
_quadraticBezier = shape;
_style = style;
_point = point;
}
private void Process(IQuadraticBezier quadraticBezier)
{
quadraticBezier.Id = NextId();
Process(quadraticBezier.Start);
Process(quadraticBezier.Point1);
Process(quadraticBezier.Point2);
}
public WpfQuadraticBezier(IQuadraticBezier qb)
{
_xqb = qb;
_fillBrush = new SolidColorBrush(_xqb.Fill.ToNativeColor());
_fillBrush.Freeze();
_strokeBrush = new SolidColorBrush(_xqb.Stroke.ToNativeColor());
_strokeBrush.Freeze();
_path = new Path();
_path.Tag = this;
_path.Fill = _fillBrush;
_path.Stroke = _strokeBrush;
_path.StrokeThickness = qb.StrokeThickness;
_pg = new PathGeometry();
_pf = new PathFigure();
_pf.StartPoint = new Point(qb.Start.X, qb.Start.Y);
_pf.IsFilled = qb.IsFilled;
_pf.IsClosed = qb.IsClosed;
_qbs = new QuadraticBezierSegment();
_qbs.Point1 = new Point(qb.Point1.X, qb.Point1.Y);
_qbs.Point2 = new Point(qb.Point2.X, qb.Point2.Y);
_pf.Segments.Add(_qbs);
_pg.Figures.Add(_pf);
_path.Data = _pg;
Native = _path;
}
private void Render(Canvas canvas, IQuadraticBezier quadraticBezier)
{
var paint = new Paint()
{
Color = ToNativeColor(quadraticBezier.Stroke),
StrokeWidth = (float)quadraticBezier.StrokeThickness,
AntiAlias = true,
StrokeCap = Paint.Cap.Butt
};
paint.SetStyle(Paint.Style.Stroke);
var path = new Path();
path.SetLastPoint(
(float)quadraticBezier.Start.X,
(float)quadraticBezier.Start.Y);
path.QuadTo(
(float)quadraticBezier.Point1.X,
(float)quadraticBezier.Point1.Y,
(float)quadraticBezier.Point2.X,
(float)quadraticBezier.Point2.Y);
canvas.DrawPath(path, paint);
path.Dispose();
paint.Dispose();
}
private void Reset(IQuadraticBezier quadraticBezier)
{
quadraticBezier.Id = 0;
Reset(quadraticBezier.Start);
Reset(quadraticBezier.Point1);
Reset(quadraticBezier.Point2);
}
/// <summary>
/// Initialize new instance of <see cref="QuadraticBezierSelection"/> class.
/// </summary>
/// <param name="layer">The selection shapes layer.</param>
/// <param name="shape">The selected shape.</param>
/// <param name="style">The selection shapes style.</param>
/// <param name="point">The selection point shape.</param>
public QuadraticBezierSelection(XLayer layer, IQuadraticBezier shape, ShapeStyle style, BaseShape point)
{
_layer = layer;
_quadraticBezier = shape;
_style = style;
_point = point;
}
private void Write(IQuadraticBezier quadraticBezier)
{
Write(NativeType.QuadraticBezier);
_writer.Write(quadraticBezier.Id);
Write(quadraticBezier.Start);
Write(quadraticBezier.Point1);
Write(quadraticBezier.Point2);
Write(quadraticBezier.Stroke);
_writer.Write(quadraticBezier.StrokeThickness);
Write(quadraticBezier.Fill);
_writer.Write(quadraticBezier.IsFilled);
_writer.Write(quadraticBezier.IsClosed);
}
public IQuadraticBezier Convert(IQuadraticBezier quadraticBezier)
{
return(new XQuadraticBezier()
{
Start = Convert(quadraticBezier.Start),
Point1 = Convert(quadraticBezier.Point1),
Point2 = Convert(quadraticBezier.Point2),
Stroke = Convert(quadraticBezier.Stroke),
StrokeThickness = quadraticBezier.StrokeThickness,
Fill = Convert(quadraticBezier.Fill),
IsFilled = quadraticBezier.IsFilled,
IsClosed = quadraticBezier.IsClosed
});
}
private void Process(IQuadraticBezier quadraticBezier)
{
quadraticBezier.Id = NextId();
Process(quadraticBezier.Start);
Process(quadraticBezier.Point1);
Process(quadraticBezier.Point2);
}
private void Write(IQuadraticBezier quadraticBezier)
{
Write(NativeType.QuadraticBezier);
_writer.Write(quadraticBezier.Id);
Write(quadraticBezier.Start);
Write(quadraticBezier.Point1);
Write(quadraticBezier.Point2);
Write(quadraticBezier.Stroke);
_writer.Write(quadraticBezier.StrokeThickness);
Write(quadraticBezier.Fill);
_writer.Write(quadraticBezier.IsFilled);
_writer.Write(quadraticBezier.IsClosed);
}
public IQuadraticBezier Convert(IQuadraticBezier quadraticBezier)
{
return quadraticBezier;
}
public IQuadraticBezier Convert(IQuadraticBezier quadraticBezier)
{
return(quadraticBezier);
}
public WpfQuadraticBezier(IQuadraticBezier qb)
{
_xqb = qb;
_fillBrush = new SolidColorBrush(_xqb.Fill.ToNativeColor());
_fillBrush.Freeze();
_strokeBrush = new SolidColorBrush(_xqb.Stroke.ToNativeColor());
_strokeBrush.Freeze();
_path = new Path();
_path.Tag = this;
_path.Fill = _fillBrush;
_path.Stroke = _strokeBrush;
_path.StrokeThickness = qb.StrokeThickness;
_pg = new PathGeometry();
_pf = new PathFigure();
_pf.StartPoint = new Point(qb.Start.X, qb.Start.Y);
_pf.IsFilled = qb.IsFilled;
_pf.IsClosed = qb.IsClosed;
_qbs = new QuadraticBezierSegment();
_qbs.Point1 = new Point(qb.Point1.X, qb.Point1.Y);
_qbs.Point2 = new Point(qb.Point2.X, qb.Point2.Y);
_pf.Segments.Add(_qbs);
_pg.Figures.Add(_pf);
_path.Data = _pg;
Native = _path;
}
public IQuadraticBezier Convert(IQuadraticBezier quadraticBezier)
{
return(new WpfQuadraticBezier(quadraticBezier));
}
public XQuadraticBezierEditor(
INativeConverter nativeConverter,
ICanvasFactory canvasFactory,
IBoundsFactory boundsFactory,
ICanvas canvas)
{
_canvas = canvas;
Name = "Quadratic Bézier";
Key = "Q";
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:
{
//_xqb.Point2.X = p.X;
//_xqb.Point2.Y = p.Y;
//_nqb.Point2 = _xqb.Point2;
#if CONNECTORS
ConnectPoint2(p);
#endif
_nqb.Bounds.Update();
_canvas.Render(null);
_state = State.Point1;
}
break;
case State.Point1:
{
//_xqb.Point1.X = p.X;
//_xqb.Point1.Y = p.Y;
//_nqb.Point1 = _xqb.Point1;
#if CONNECTORS
ConnectPoint1(p);
#endif
_nqb.Bounds.Hide();
_canvas.Render(null);
_state = State.None;
_canvas.ReleaseCapture();
}
break;
}
}
else
{
_xqb = canvasFactory.CreateQuadraticBezier();
_xqb.Start.X = p.X;
_xqb.Start.Y = p.Y;
_xqb.Point1.X = p.X;
_xqb.Point1.Y = p.Y;
_xqb.Point2.X = p.X;
_xqb.Point2.Y = p.Y;
_nqb = nativeConverter.Convert(_xqb);
_canvas.History.Snapshot(_canvas);
#if CONNECTORS
ConnectStart(p);
#endif
_canvas.Add(_nqb);
_nqb.Bounds = boundsFactory.Create(_canvas, _nqb);
_nqb.Bounds.Update();
_nqb.Bounds.Show();
_canvas.Render(null);
_canvas.Capture();
_state = State.Start;
}
});
_drags = drags.Where(_ => IsEnabled).Subscribe(p =>
{
switch (_state)
{
case State.Start:
{
_xqb.Point2.X = p.X;
_xqb.Point2.Y = p.Y;
_nqb.Point2 = _xqb.Point2;
_nqb.Bounds.Update();
_canvas.Render(null);
}
break;
case State.Point1:
{
_xqb.Point1.X = p.X;
_xqb.Point1.Y = p.Y;
_nqb.Point1 = _xqb.Point1;
_nqb.Bounds.Update();
_canvas.Render(null);
}
break;
}
});
}
private void DrawQuadraticBezier(XGraphics gfx, IQuadraticBezier quadraticBezier)
{
double x1 = quadraticBezier.Start.X;
double y1 = quadraticBezier.Start.Y;
double x2 = quadraticBezier.Start.X + (2.0 * (quadraticBezier.Point1.X - quadraticBezier.Start.X)) / 3.0;
double y2 = quadraticBezier.Start.Y + (2.0 * (quadraticBezier.Point1.Y - quadraticBezier.Start.Y)) / 3.0;
double x3 = x2 + (quadraticBezier.Point2.X - quadraticBezier.Start.X) / 3.0;
double y3 = y2 + (quadraticBezier.Point2.Y - quadraticBezier.Start.Y) / 3.0;
double x4 = quadraticBezier.Point2.X;
double y4 = quadraticBezier.Point2.Y;
var pen = new XPen(
ToXColor(quadraticBezier.Stroke),
X(quadraticBezier.StrokeThickness));
gfx.DrawBezier(pen,
X(x1), Y(y1),
X(x2), Y(y2),
X(x3), Y(y3),
X(x4), Y(y4));
}
public IQuadraticBezier Convert(IQuadraticBezier quadraticBezier)
{
return new WpfQuadraticBezier(quadraticBezier);
}
private void Reset(IQuadraticBezier quadraticBezier)
{
quadraticBezier.Id = 0;
Reset(quadraticBezier.Start);
Reset(quadraticBezier.Point1);
Reset(quadraticBezier.Point2);
}
public QuadraticBezierBounds(
INativeConverter nativeConverter,
ICanvasFactory canvasFactory,
ICanvas canvas,
IQuadraticBezier quadraticBezier,
double size,
double offset)
{
_quadraticBezier = quadraticBezier;
_size = size;
_offset = offset;
_canvas = canvas;
InitBounds(nativeConverter, canvasFactory);
}
public IBounds Create(ICanvas canvas, IQuadraticBezier quadraticBezier)
{
return new QuadraticBezierBounds(
_nativeConverter,
_canvasFactory,
canvas,
quadraticBezier,
15.0,
0.0);
}
