Exemplo n.º 1
0
        public void DrawPath(IEnumerable<PathOperation> ops, Pen pen = null, BaseBrush baseBrush = null)
        {
            if (pen == null && baseBrush == null)
                return;

            DrawElement (() => {
                var bb = new BoundingBoxBuilder();

                var lines = new List<CGPoint>();

                foreach (var op in ops) {
                    var moveTo = op as MoveTo;
                    if (moveTo != null) {
                        var start = moveTo.Start;
                        var end = moveTo.End;
                        context.MoveTo ((nfloat)start.X, (nfloat)start.Y);
                        context.MoveTo ((nfloat)end.X, (nfloat)end.Y);
                        bb.Add (start);
                        bb.Add (end);
                        continue;
                    }
                    var lt = op as LineTo;
                    if (lt != null) {
                        var start = lt.Start;
                        var end = lt.End;

                        context.AddLineToPoint((float)start.X, (float)start.Y);
                        context.AddLineToPoint((float)end.X, (float)end.Y);

                        bb.Add (start);
                        bb.Add (end);
                        continue;
                    }
                    var at = op as ArcTo;
                    if (at != null) {
                        var p = at.Point;
                        var pp = Conversions.GetPoint (context.GetPathCurrentPoint ());
                        Point c1, c2;
                        at.GetCircles (pp, out c1, out c2);
                        context.AddLineToPoint ((nfloat)p.X, (nfloat)p.Y);
                        bb.Add (p);
                        continue;
                    }
                    var curveTo = op as CurveTo;
                    if (curveTo != null) {
                        var end = curveTo.End;
                        var control1 = curveTo.FirstControlPoint;
                        var control2 = curveTo.SecondControlPoint;

                        context.AddCurveToPoint ((nfloat)control1.X, (nfloat)control1.Y, (nfloat)control2.X, (nfloat)control2.Y, (nfloat)end.X, (nfloat)end.Y);

                        bb.Add (control1);
                        bb.Add (control2);
                        bb.Add (end);
                        continue;
                    }
                    var cp = op as ClosePath;

                    if (cp != null) {
                        context.ClosePath ();
                        continue;
                    }

                    throw new NotSupportedException ("Path Op " + op);
                }

                return bb.BoundingBox;

            }, pen, baseBrush);
        }
Exemplo n.º 2
0
        public void DrawPath(IEnumerable<PathOperation> ops, Pen pen = null, BaseBrush brush = null)
        {
            using (var path = new Path())
              {
            var bb = new BoundingBoxBuilder();

            foreach (var op in ops)
            {
              var moveTo = op as MoveTo;
              if (moveTo != null)
              {
            var start = moveTo.Start;
            var end = moveTo.End;

            path.MoveTo((float) start.X, (float) start.Y);

            bb.Add(start);
            bb.Add(end);
            continue;
              }
              var lineTo = op as LineTo;
              if (lineTo != null)
              {
            var start = lineTo.Start;
            var end = lineTo.End;
            path.LineTo((float) start.X, (float) start.Y);
            path.LineTo((float) end.X, (float) end.Y);
            bb.Add(start);
            bb.Add(end);
            continue;
              }
              var at = op as ArcTo;
              if (at != null)
              {
            var p = at.Point;
            path.LineTo((float) p.X, (float) p.Y);
            bb.Add(p);
            continue;
              }
              var curveTo = op as CurveTo;
              if (curveTo != null)
              {
            var end = curveTo.End;
            var firstControlPoint = curveTo.FirstControlPoint;
            var secondControlPoint = curveTo.SecondControlPoint;

            path.CubicTo((float) firstControlPoint.X, (float) firstControlPoint.Y, (float) secondControlPoint.X,
              (float) secondControlPoint.Y, (float) end.X, (float) end.Y);

            bb.Add(firstControlPoint);
            bb.Add(secondControlPoint);
            bb.Add(end);
            continue;
              }
              var cp = op as ClosePath;
              if (cp != null)
              {
            path.Close();
            continue;
              }

              throw new NotSupportedException("Path Op " + op);
            }

            var frame = bb.BoundingBox;

            if (brush != null)
            {
              var solidBrush = brush as SolidBrush;

              if (solidBrush != null)
              {
            path.SetFillType(GetPathFillType(((SolidBrush)brush).FillMode));
              }

              var brushPaint = GetBrushPaint(brush, frame);
              graphics.DrawPath(path, brushPaint);
            }
            if (pen != null)
            {
              var penPaint = GetPenPaint(pen);
              graphics.DrawPath(path, penPaint);
            }
              }
        }
Exemplo n.º 3
0
        public void DrawPath(IEnumerable<PathOperation> ops, Pen pen = null, BaseBrush brush = null)
        {
            var bb = new BoundingBoxBuilder ();
            var s = new D2D1.PathGeometry (factories.D2DFactory);
            var figureDepth = 0;
            using (var sink = s.Open ()) {
                foreach (var op in ops) {
                    if (op is MoveTo) {
                        while (figureDepth > 0) {
                            sink.EndFigure (D2D1.FigureEnd.Open);
                            figureDepth--;
                        }
                        var mt = ((MoveTo)op);
                        sink.BeginFigure (Conversions.ToVector2 (mt.Start), D2D1.FigureBegin.Filled);
                        figureDepth++;
                        bb.Add (mt.Start);
                    }
                    else if (op is LineTo) {
                        var lt = ((LineTo)op);
                        sink.AddLine (lt.Start.ToVector2());
                        sink.AddLine (lt.End.ToVector2());
                        bb.Add (lt.Start);
                        bb.Add (lt.End);
                    }
                    else if (op is ArcTo) {
                        var ar = ((ArcTo)op);
                        // TODO: Direct2D Arcs
                        //sink.AddArc (new D2D1.ArcSegment {
                        //	Size = Conversions.ToSize2F (ar.Radius),
                        //	Point = Conversions.ToVector2 (ar.Point),
                        //	SweepDirection = ar.SweepClockwise ? D2D1.SweepDirection.Clockwise : D2D1.SweepDirection.CounterClockwise,
                        //});
                        sink.AddLine (Conversions.ToVector2 (ar.Point));
                        bb.Add (ar.Point);
                    }
                    else if (op is CurveTo) {
                        var ct = ((CurveTo)op);
                        sink.AddBezier (new D2D1.BezierSegment {
                            Point1 = Conversions.ToVector2 (ct.FirstControlPoint),
                            Point2 = Conversions.ToVector2 (ct.SecondControlPoint),
                            Point3 = Conversions.ToVector2 (ct.End),
                        });
            bb.Add(ct.FirstControlPoint);
            bb.Add(ct.SecondControlPoint);
            bb.Add(ct.End);
              }
                    else if (op is ClosePath) {
                        sink.EndFigure (D2D1.FigureEnd.Closed);
                        figureDepth--;
                    }
                    else {
                        // TODO: More path operations
                    }
                }
                while (figureDepth > 0) {
                    sink.EndFigure (D2D1.FigureEnd.Open);
                    figureDepth--;
                }
                sink.Close ();
            }

            var p = GetBrush (pen);
            var b = GetBrush (bb.BoundingBox, brush);

            if (b != null) {
                renderTarget.FillGeometry (s, b);
            }
            if (p != null) {
                renderTarget.DrawGeometry (s, p, (float)pen.Width, GetStrokeStyle (pen));
            }
        }