/// <summary>
///
/// </summary>
/// <param name="pg"></param>
/// <param name="dx"></param>
/// <param name="dy"></param>
/// <param name="scale"></param>
/// <returns></returns>
public static PDF.XGraphicsPath ToXGraphicsPath(this IPathGeometry pg, double dx, double dy, Func <double, double> scale)
{
var gp = new PDF.XGraphicsPath()
{
FillMode = pg.FillRule == FillRule.EvenOdd ? PDF.XFillMode.Alternate : PDF.XFillMode.Winding
};
foreach (var pf in pg.Figures)
{
var startPoint = pf.StartPoint;
foreach (var segment in pf.Segments)
{
if (segment is IArcSegment arcSegment)
{
#if WPF
var point1 = new PDF.XPoint(
scale(startPoint.X + dx),
scale(startPoint.Y + dy));
var point2 = new PDF.XPoint(
scale(arcSegment.Point.X + dx),
scale(arcSegment.Point.Y + dy));
var size = new PDF.XSize(
scale(arcSegment.Size.Width),
scale(arcSegment.Size.Height));
gp.AddArc(
point1,
point2,
size, arcSegment.RotationAngle, arcSegment.IsLargeArc,
arcSegment.SweepDirection == SweepDirection.Clockwise ? PDF.XSweepDirection.Clockwise : PDF.XSweepDirection.Counterclockwise);
startPoint = arcSegment.Point;
#else
throw new NotSupportedException("Not supported segment type: " + segment.GetType());
// TODO: Convert WPF/SVG elliptical arc segment format to GDI+ bezier curves.
//startPoint = arcSegment.Point;
#endif
}
else if (segment is ICubicBezierSegment cubicBezierSegment)
{
gp.AddBezier(
scale(startPoint.X + dx),
scale(startPoint.Y + dy),
scale(cubicBezierSegment.Point1.X + dx),
scale(cubicBezierSegment.Point1.Y + dy),
scale(cubicBezierSegment.Point2.X + dx),
scale(cubicBezierSegment.Point2.Y + dy),
scale(cubicBezierSegment.Point3.X + dx),
scale(cubicBezierSegment.Point3.Y + dy));
startPoint = cubicBezierSegment.Point3;
}
else if (segment is ILineSegment)
{
var lineSegment = segment as ILineSegment;
gp.AddLine(
scale(startPoint.X + dx),
scale(startPoint.Y + dy),
scale(lineSegment.Point.X + dx),
scale(lineSegment.Point.Y + dy));
startPoint = lineSegment.Point;
}
else if (segment is IPolyCubicBezierSegment polyCubicBezierSegment)
{
if (polyCubicBezierSegment.Points.Length >= 3)
{
gp.AddBezier(
scale(startPoint.X + dx),
scale(startPoint.Y + dy),
scale(polyCubicBezierSegment.Points[0].X + dx),
scale(polyCubicBezierSegment.Points[0].Y + dy),
scale(polyCubicBezierSegment.Points[1].X + dx),
scale(polyCubicBezierSegment.Points[1].Y + dy),
scale(polyCubicBezierSegment.Points[2].X + dx),
scale(polyCubicBezierSegment.Points[2].Y + dy));
}
if (polyCubicBezierSegment.Points.Length > 3 &&
polyCubicBezierSegment.Points.Length % 3 == 0)
{
for (int i = 3; i < polyCubicBezierSegment.Points.Length; i += 3)
{
gp.AddBezier(
scale(polyCubicBezierSegment.Points[i - 1].X + dx),
scale(polyCubicBezierSegment.Points[i - 1].Y + dy),
scale(polyCubicBezierSegment.Points[i].X + dx),
scale(polyCubicBezierSegment.Points[i].Y + dy),
scale(polyCubicBezierSegment.Points[i + 1].X + dx),
scale(polyCubicBezierSegment.Points[i + 1].Y + dy),
scale(polyCubicBezierSegment.Points[i + 2].X + dx),
scale(polyCubicBezierSegment.Points[i + 2].Y + dy));
}
}
startPoint = polyCubicBezierSegment.Points.Last();
}
else if (segment is IPolyLineSegment polyLineSegment)
{
if (polyLineSegment.Points.Length >= 1)
{
gp.AddLine(
scale(startPoint.X + dx),
scale(startPoint.Y + dy),
scale(polyLineSegment.Points[0].X + dx),
scale(polyLineSegment.Points[0].Y + dy));
}
if (polyLineSegment.Points.Length > 1)
{
for (int i = 1; i < polyLineSegment.Points.Length; i++)
{
gp.AddLine(
scale(polyLineSegment.Points[i - 1].X + dx),
scale(polyLineSegment.Points[i - 1].Y + dy),
scale(polyLineSegment.Points[i].X + dx),
scale(polyLineSegment.Points[i].Y + dy));
}
}
startPoint = polyLineSegment.Points.Last();
}
else if (segment is IPolyQuadraticBezierSegment polyQuadraticSegment)
{
if (polyQuadraticSegment.Points.Length >= 2)
{
var p1 = startPoint;
var p2 = polyQuadraticSegment.Points[0];
var p3 = polyQuadraticSegment.Points[1];
double x1 = p1.X;
double y1 = p1.Y;
double x2 = p1.X + (2.0 * (p2.X - p1.X)) / 3.0;
double y2 = p1.Y + (2.0 * (p2.Y - p1.Y)) / 3.0;
double x3 = x2 + (p3.X - p1.X) / 3.0;
double y3 = y2 + (p3.Y - p1.Y) / 3.0;
double x4 = p3.X;
double y4 = p3.Y;
gp.AddBezier(
scale(x1 + dx),
scale(y1 + dy),
scale(x2 + dx),
scale(y2 + dy),
scale(x3 + dx),
scale(y3 + dy),
scale(x4 + dx),
scale(y4 + dy));
}
if (polyQuadraticSegment.Points.Length > 2 &&
polyQuadraticSegment.Points.Length % 2 == 0)
{
for (int i = 3; i < polyQuadraticSegment.Points.Length; i += 3)
{
var p1 = polyQuadraticSegment.Points[i - 1];
var p2 = polyQuadraticSegment.Points[i];
var p3 = polyQuadraticSegment.Points[i + 1];
double x1 = p1.X;
double y1 = p1.Y;
double x2 = p1.X + (2.0 * (p2.X - p1.X)) / 3.0;
double y2 = p1.Y + (2.0 * (p2.Y - p1.Y)) / 3.0;
double x3 = x2 + (p3.X - p1.X) / 3.0;
double y3 = y2 + (p3.Y - p1.Y) / 3.0;
double x4 = p3.X;
double y4 = p3.Y;
gp.AddBezier(
scale(x1 + dx),
scale(y1 + dy),
scale(x2 + dx),
scale(y2 + dy),
scale(x3 + dx),
scale(y3 + dy),
scale(x4 + dx),
scale(y4 + dy));
}
}
startPoint = polyQuadraticSegment.Points.Last();
}
else if (segment is IQuadraticBezierSegment quadraticBezierSegment)
{
var p1 = startPoint;
var p2 = quadraticBezierSegment.Point1;
var p3 = quadraticBezierSegment.Point2;
double x1 = p1.X;
double y1 = p1.Y;
double x2 = p1.X + (2.0 * (p2.X - p1.X)) / 3.0;
double y2 = p1.Y + (2.0 * (p2.Y - p1.Y)) / 3.0;
double x3 = x2 + (p3.X - p1.X) / 3.0;
double y3 = y2 + (p3.Y - p1.Y) / 3.0;
double x4 = p3.X;
double y4 = p3.Y;
gp.AddBezier(
scale(x1 + dx),
scale(y1 + dy),
scale(x2 + dx),
scale(y2 + dy),
scale(x3 + dx),
scale(y3 + dy),
scale(x4 + dx),
scale(y4 + dy));
startPoint = quadraticBezierSegment.Point2;
}
else
{
throw new NotSupportedException("Not supported segment type: " + segment.GetType());
}
}
if (pf.IsClosed)
{
gp.CloseFigure();
}
else
{
gp.StartFigure();
}
}
return(gp);
}
/// <summary>
///
/// </summary>
/// <param name="gfx"></param>
/// <param name="bezier"></param>
/// <param name="dx"></param>
/// <param name="dy"></param>
/// <param name="db"></param>
/// <param name="r"></param>
public void Draw(object gfx, Kaliber3D.Render.XBezier bezier, double dx, double dy, ImmutableArray<Kaliber3D.Render.ShapeProperty> db, Kaliber3D.Render.Record r)
{
var _gfx = gfx as XGraphics;
if (bezier.IsFilled)
{
var path = new XGraphicsPath();
path.AddBezier(
_scaleToPage(bezier.Point1.X + dx),
_scaleToPage(bezier.Point1.Y + dy),
_scaleToPage(bezier.Point2.X + dx),
_scaleToPage(bezier.Point2.Y + dy),
_scaleToPage(bezier.Point3.X + dx),
_scaleToPage(bezier.Point3.Y + dy),
_scaleToPage(bezier.Point4.X + dx),
_scaleToPage(bezier.Point4.Y + dy));
if (bezier.IsStroked)
{
_gfx.DrawPath(
ToXPen(bezier.Style, _scaleToPage),
ToXSolidBrush(bezier.Style.Fill),
path);
}
else
{
_gfx.DrawPath(
ToXSolidBrush(bezier.Style.Fill),
path);
}
}
else
{
if (bezier.IsStroked)
{
_gfx.DrawBezier(
ToXPen(bezier.Style, _scaleToPage),
_scaleToPage(bezier.Point1.X + dx),
_scaleToPage(bezier.Point1.Y + dy),
_scaleToPage(bezier.Point2.X + dx),
_scaleToPage(bezier.Point2.Y + dy),
_scaleToPage(bezier.Point3.X + dx),
_scaleToPage(bezier.Point3.Y + dy),
_scaleToPage(bezier.Point4.X + dx),
_scaleToPage(bezier.Point4.Y + dy));
}
}
}
/// <summary>
///
/// </summary>
/// <param name="gfx"></param>
/// <param name="qbezier"></param>
/// <param name="dx"></param>
/// <param name="dy"></param>
/// <param name="db"></param>
/// <param name="r"></param>
public void Draw(object gfx, Kaliber3D.Render.XQBezier qbezier, double dx, double dy, ImmutableArray<Kaliber3D.Render.ShapeProperty> db, Kaliber3D.Render.Record r)
{
var _gfx = gfx as XGraphics;
double x1 = qbezier.Point1.X;
double y1 = qbezier.Point1.Y;
double x2 = qbezier.Point1.X + (2.0 * (qbezier.Point2.X - qbezier.Point1.X)) / 3.0;
double y2 = qbezier.Point1.Y + (2.0 * (qbezier.Point2.Y - qbezier.Point1.Y)) / 3.0;
double x3 = x2 + (qbezier.Point3.X - qbezier.Point1.X) / 3.0;
double y3 = y2 + (qbezier.Point3.Y - qbezier.Point1.Y) / 3.0;
double x4 = qbezier.Point3.X;
double y4 = qbezier.Point3.Y;
if (qbezier.IsFilled)
{
var path = new XGraphicsPath();
path.AddBezier(
_scaleToPage(x1 + dx),
_scaleToPage(y1 + dy),
_scaleToPage(x2 + dx),
_scaleToPage(y2 + dy),
_scaleToPage(x3 + dx),
_scaleToPage(y3 + dy),
_scaleToPage(x4 + dx),
_scaleToPage(y4 + dy));
if (qbezier.IsStroked)
{
_gfx.DrawPath(
ToXPen(qbezier.Style, _scaleToPage),
ToXSolidBrush(qbezier.Style.Fill),
path);
}
else
{
_gfx.DrawPath(
ToXSolidBrush(qbezier.Style.Fill),
path);
}
}
else
{
if (qbezier.IsStroked)
{
_gfx.DrawBezier(
ToXPen(qbezier.Style, _scaleToPage),
_scaleToPage(x1 + dx),
_scaleToPage(y1 + dy),
_scaleToPage(x2 + dx),
_scaleToPage(y2 + dy),
_scaleToPage(x3 + dx),
_scaleToPage(y3 + dy),
_scaleToPage(x4 + dx),
_scaleToPage(y4 + dy));
}
}
}
public static PDF.XGraphicsPath ToXGraphicsPath(this IPathGeometry pg, Func <double, double> scale)
{
var gp = new PDF.XGraphicsPath()
{
FillMode = pg.FillRule == FillRule.EvenOdd ? PDF.XFillMode.Alternate : PDF.XFillMode.Winding
};
foreach (var pf in pg.Figures)
{
var startPoint = pf.StartPoint;
foreach (var segment in pf.Segments)
{
if (segment is IArcSegment arcSegment)
{
#if WPF
var point1 = new PDF.XPoint(
scale(startPoint.X),
scale(startPoint.Y));
var point2 = new PDF.XPoint(
scale(arcSegment.Point.X),
scale(arcSegment.Point.Y));
var size = new PDF.XSize(
scale(arcSegment.Size.Width),
scale(arcSegment.Size.Height));
gp.AddArc(
point1,
point2,
size, arcSegment.RotationAngle, arcSegment.IsLargeArc,
arcSegment.SweepDirection == SweepDirection.Clockwise ? PDF.XSweepDirection.Clockwise : PDF.XSweepDirection.Counterclockwise);
startPoint = arcSegment.Point;
#else
// TODO: Convert WPF/SVG elliptical arc segment format to GDI+ bezier curves.
startPoint = arcSegment.Point;
#endif
}
else if (segment is ICubicBezierSegment cubicBezierSegment)
{
gp.AddBezier(
scale(startPoint.X),
scale(startPoint.Y),
scale(cubicBezierSegment.Point1.X),
scale(cubicBezierSegment.Point1.Y),
scale(cubicBezierSegment.Point2.X),
scale(cubicBezierSegment.Point2.Y),
scale(cubicBezierSegment.Point3.X),
scale(cubicBezierSegment.Point3.Y));
startPoint = cubicBezierSegment.Point3;
}
else if (segment is ILineSegment)
{
var lineSegment = segment as ILineSegment;
gp.AddLine(
scale(startPoint.X),
scale(startPoint.Y),
scale(lineSegment.Point.X),
scale(lineSegment.Point.Y));
startPoint = lineSegment.Point;
}
else if (segment is IQuadraticBezierSegment quadraticBezierSegment)
{
var p1 = startPoint;
var p2 = quadraticBezierSegment.Point1;
var p3 = quadraticBezierSegment.Point2;
double x1 = p1.X;
double y1 = p1.Y;
double x2 = p1.X + (2.0 * (p2.X - p1.X)) / 3.0;
double y2 = p1.Y + (2.0 * (p2.Y - p1.Y)) / 3.0;
double x3 = x2 + (p3.X - p1.X) / 3.0;
double y3 = y2 + (p3.Y - p1.Y) / 3.0;
double x4 = p3.X;
double y4 = p3.Y;
gp.AddBezier(
scale(x1),
scale(y1),
scale(x2),
scale(y2),
scale(x3),
scale(y3),
scale(x4),
scale(y4));
startPoint = quadraticBezierSegment.Point2;
}
else
{
throw new NotSupportedException("Not supported segment type: " + segment.GetType());
}
}
if (pf.IsClosed)
{
gp.CloseFigure();
}
else
{
gp.StartFigure();
}
}
return(gp);
}
private static void DrawLineCurveInternal(XGraphics gfx, XPen pen, bool isStroked, ref XPoint pt1, ref XPoint pt2, double curvature, Core2D.Style.CurveOrientation orientation, Core2D.Shape.PointAlignment pt1a, Core2D.Shape.PointAlignment pt2a)
{
if (isStroked)
{
var path = new XGraphicsPath();
double p1x = pt1.X;
double p1y = pt1.Y;
double p2x = pt2.X;
double p2y = pt2.Y;
Core2D.Shapes.XLineExtensions.GetCurvedLineBezierControlPoints(orientation, curvature, pt1a, pt2a, ref p1x, ref p1y, ref p2x, ref p2y);
path.AddBezier(
pt1.X, pt1.Y,
p1x, p1y,
p2x, p2y,
pt2.X, pt2.Y);
gfx.DrawPath(pen, path);
}
}
/// <inheritdoc/>
public override void Draw(object dc, Core2D.Shapes.XQuadraticBezier quadraticBezier, double dx, double dy, ImmutableArray<Core2D.Data.XProperty> db, Core2D.Data.Database.XRecord r)
{
var _gfx = dc as XGraphics;
double x1 = quadraticBezier.Point1.X;
double y1 = quadraticBezier.Point1.Y;
double x2 = quadraticBezier.Point1.X + (2.0 * (quadraticBezier.Point2.X - quadraticBezier.Point1.X)) / 3.0;
double y2 = quadraticBezier.Point1.Y + (2.0 * (quadraticBezier.Point2.Y - quadraticBezier.Point1.Y)) / 3.0;
double x3 = x2 + (quadraticBezier.Point3.X - quadraticBezier.Point1.X) / 3.0;
double y3 = y2 + (quadraticBezier.Point3.Y - quadraticBezier.Point1.Y) / 3.0;
double x4 = quadraticBezier.Point3.X;
double y4 = quadraticBezier.Point3.Y;
if (quadraticBezier.IsFilled)
{
var path = new XGraphicsPath();
path.AddBezier(
_scaleToPage(x1 + dx),
_scaleToPage(y1 + dy),
_scaleToPage(x2 + dx),
_scaleToPage(y2 + dy),
_scaleToPage(x3 + dx),
_scaleToPage(y3 + dy),
_scaleToPage(x4 + dx),
_scaleToPage(y4 + dy));
if (quadraticBezier.IsStroked)
{
_gfx.DrawPath(
ToXPen(quadraticBezier.Style, _scaleToPage, _sourceDpi, _targetDpi),
ToXSolidBrush(quadraticBezier.Style.Fill),
path);
}
else
{
_gfx.DrawPath(
ToXSolidBrush(quadraticBezier.Style.Fill),
path);
}
}
else
{
if (quadraticBezier.IsStroked)
{
_gfx.DrawBezier(
ToXPen(quadraticBezier.Style, _scaleToPage, _sourceDpi, _targetDpi),
_scaleToPage(x1 + dx),
_scaleToPage(y1 + dy),
_scaleToPage(x2 + dx),
_scaleToPage(y2 + dy),
_scaleToPage(x3 + dx),
_scaleToPage(y3 + dy),
_scaleToPage(x4 + dx),
_scaleToPage(y4 + dy));
}
}
}
/// <inheritdoc/>
public override void Draw(object dc, Core2D.Shapes.XCubicBezier cubicBezier, double dx, double dy, ImmutableArray<Core2D.Data.XProperty> db, Core2D.Data.Database.XRecord r)
{
var _gfx = dc as XGraphics;
if (cubicBezier.IsFilled)
{
var path = new XGraphicsPath();
path.AddBezier(
_scaleToPage(cubicBezier.Point1.X + dx),
_scaleToPage(cubicBezier.Point1.Y + dy),
_scaleToPage(cubicBezier.Point2.X + dx),
_scaleToPage(cubicBezier.Point2.Y + dy),
_scaleToPage(cubicBezier.Point3.X + dx),
_scaleToPage(cubicBezier.Point3.Y + dy),
_scaleToPage(cubicBezier.Point4.X + dx),
_scaleToPage(cubicBezier.Point4.Y + dy));
if (cubicBezier.IsStroked)
{
_gfx.DrawPath(
ToXPen(cubicBezier.Style, _scaleToPage, _sourceDpi, _targetDpi),
ToXSolidBrush(cubicBezier.Style.Fill),
path);
}
else
{
_gfx.DrawPath(
ToXSolidBrush(cubicBezier.Style.Fill),
path);
}
}
else
{
if (cubicBezier.IsStroked)
{
_gfx.DrawBezier(
ToXPen(cubicBezier.Style, _scaleToPage, _sourceDpi, _targetDpi),
_scaleToPage(cubicBezier.Point1.X + dx),
_scaleToPage(cubicBezier.Point1.Y + dy),
_scaleToPage(cubicBezier.Point2.X + dx),
_scaleToPage(cubicBezier.Point2.Y + dy),
_scaleToPage(cubicBezier.Point3.X + dx),
_scaleToPage(cubicBezier.Point3.Y + dy),
_scaleToPage(cubicBezier.Point4.X + dx),
_scaleToPage(cubicBezier.Point4.Y + dy));
}
}
}
/// <summary>
///
/// </summary>
/// <param name="pg"></param>
/// <param name="dx"></param>
/// <param name="dy"></param>
/// <param name="scale"></param>
/// <returns></returns>
public static XGraphicsPath ToXGraphicsPath(this Core2D.XPathGeometry pg, double dx, double dy, Func<double, double> scale)
{
var gp = new XGraphicsPath();
gp.FillMode = pg.FillRule == Core2D.XFillRule.EvenOdd ? XFillMode.Alternate : XFillMode.Winding;
foreach (var pf in pg.Figures)
{
var startPoint = pf.StartPoint;
foreach (var segment in pf.Segments)
{
if (segment is Core2D.XArcSegment)
{
#if CORE
//var arcSegment = segment as Core2D.XArcSegment;
// TODO: Convert WPF/SVG elliptical arc segment format to GDI+ bezier curves.
//startPoint = arcSegment.Point;
#endif
#if WPF
var arcSegment = segment as Core2D.XArcSegment;
var point1 = new XPoint(
scale(startPoint.X),
scale(startPoint.Y));
var point2 = new XPoint(
scale(arcSegment.Point.X),
scale(arcSegment.Point.Y));
var size = new XSize(
scale(arcSegment.Size.Width),
scale(arcSegment.Size.Height));
gp.AddArc(
point1,
point2,
size, arcSegment.RotationAngle, arcSegment.IsLargeArc,
arcSegment.SweepDirection == Core2D.XSweepDirection.Clockwise ? XSweepDirection.Clockwise : XSweepDirection.Counterclockwise);
startPoint = arcSegment.Point;
#endif
}
else if (segment is Core2D.XBezierSegment)
{
var bezierSegment = segment as Core2D.XBezierSegment;
gp.AddBezier(
scale(startPoint.X),
scale(startPoint.Y),
scale(bezierSegment.Point1.X),
scale(bezierSegment.Point1.Y),
scale(bezierSegment.Point2.X),
scale(bezierSegment.Point2.Y),
scale(bezierSegment.Point3.X),
scale(bezierSegment.Point3.Y));
startPoint = bezierSegment.Point3;
}
else if (segment is Core2D.XLineSegment)
{
var lineSegment = segment as Core2D.XLineSegment;
gp.AddLine(
scale(startPoint.X),
scale(startPoint.Y),
scale(lineSegment.Point.X),
scale(lineSegment.Point.Y));
startPoint = lineSegment.Point;
}
else if (segment is Core2D.XPolyBezierSegment)
{
var polyBezierSegment = segment as Core2D.XPolyBezierSegment;
if (polyBezierSegment.Points.Count >= 3)
{
gp.AddBezier(
scale(startPoint.X),
scale(startPoint.Y),
scale(polyBezierSegment.Points[0].X),
scale(polyBezierSegment.Points[0].Y),
scale(polyBezierSegment.Points[1].X),
scale(polyBezierSegment.Points[1].Y),
scale(polyBezierSegment.Points[2].X),
scale(polyBezierSegment.Points[2].Y));
}
if (polyBezierSegment.Points.Count > 3
&& polyBezierSegment.Points.Count % 3 == 0)
{
for (int i = 3; i < polyBezierSegment.Points.Count; i += 3)
{
gp.AddBezier(
scale(polyBezierSegment.Points[i - 1].X),
scale(polyBezierSegment.Points[i - 1].Y),
scale(polyBezierSegment.Points[i].X),
scale(polyBezierSegment.Points[i].Y),
scale(polyBezierSegment.Points[i + 1].X),
scale(polyBezierSegment.Points[i + 1].Y),
scale(polyBezierSegment.Points[i + 2].X),
scale(polyBezierSegment.Points[i + 2].Y));
}
}
startPoint = polyBezierSegment.Points.Last();
}
else if (segment is Core2D.XPolyLineSegment)
{
var polyLineSegment = segment as Core2D.XPolyLineSegment;
if (polyLineSegment.Points.Count >= 1)
{
gp.AddLine(
scale(startPoint.X),
scale(startPoint.Y),
scale(polyLineSegment.Points[0].X),
scale(polyLineSegment.Points[0].Y));
}
if (polyLineSegment.Points.Count > 1)
{
for (int i = 1; i < polyLineSegment.Points.Count; i++)
{
gp.AddLine(
scale(polyLineSegment.Points[i - 1].X),
scale(polyLineSegment.Points[i - 1].Y),
scale(polyLineSegment.Points[i].X),
scale(polyLineSegment.Points[i].Y));
}
}
startPoint = polyLineSegment.Points.Last();
}
else if (segment is Core2D.XPolyQuadraticBezierSegment)
{
var polyQuadraticSegment = segment as Core2D.XPolyQuadraticBezierSegment;
if (polyQuadraticSegment.Points.Count >= 2)
{
var p1 = startPoint;
var p2 = polyQuadraticSegment.Points[0];
var p3 = polyQuadraticSegment.Points[1];
double x1 = p1.X;
double y1 = p1.Y;
double x2 = p1.X + (2.0 * (p2.X - p1.X)) / 3.0;
double y2 = p1.Y + (2.0 * (p2.Y - p1.Y)) / 3.0;
double x3 = x2 + (p3.X - p1.X) / 3.0;
double y3 = y2 + (p3.Y - p1.Y) / 3.0;
double x4 = p3.X;
double y4 = p3.Y;
gp.AddBezier(
scale(x1 + dx),
scale(y1 + dy),
scale(x2 + dx),
scale(y2 + dy),
scale(x3 + dx),
scale(y3 + dy),
scale(x4 + dx),
scale(y4 + dy));
}
if (polyQuadraticSegment.Points.Count > 2
&& polyQuadraticSegment.Points.Count % 2 == 0)
{
for (int i = 3; i < polyQuadraticSegment.Points.Count; i += 3)
{
var p1 = polyQuadraticSegment.Points[i - 1];
var p2 = polyQuadraticSegment.Points[i];
var p3 = polyQuadraticSegment.Points[i + 1];
double x1 = p1.X;
double y1 = p1.Y;
double x2 = p1.X + (2.0 * (p2.X - p1.X)) / 3.0;
double y2 = p1.Y + (2.0 * (p2.Y - p1.Y)) / 3.0;
double x3 = x2 + (p3.X - p1.X) / 3.0;
double y3 = y2 + (p3.Y - p1.Y) / 3.0;
double x4 = p3.X;
double y4 = p3.Y;
gp.AddBezier(
scale(x1 + dx),
scale(y1 + dy),
scale(x2 + dx),
scale(y2 + dy),
scale(x3 + dx),
scale(y3 + dy),
scale(x4 + dx),
scale(y4 + dy));
}
}
startPoint = polyQuadraticSegment.Points.Last();
}
else if (segment is Core2D.XQuadraticBezierSegment)
{
var qbezierSegment = segment as Core2D.XQuadraticBezierSegment;
var p1 = startPoint;
var p2 = qbezierSegment.Point1;
var p3 = qbezierSegment.Point2;
double x1 = p1.X;
double y1 = p1.Y;
double x2 = p1.X + (2.0 * (p2.X - p1.X)) / 3.0;
double y2 = p1.Y + (2.0 * (p2.Y - p1.Y)) / 3.0;
double x3 = x2 + (p3.X - p1.X) / 3.0;
double y3 = y2 + (p3.Y - p1.Y) / 3.0;
double x4 = p3.X;
double y4 = p3.Y;
gp.AddBezier(
scale(x1 + dx),
scale(y1 + dy),
scale(x2 + dx),
scale(y2 + dy),
scale(x3 + dx),
scale(y3 + dy),
scale(x4 + dx),
scale(y4 + dy));
startPoint = qbezierSegment.Point2;
}
else
{
throw new NotSupportedException("Not supported segment type: " + segment.GetType());
}
}
if (pf.IsClosed)
{
gp.CloseFigure();
}
else
{
gp.StartFigure();
}
}
return gp;
}
