static void DrawPathAlternateAndWinding(XGraphics gfx, int number)
{
BeginBox(gfx, number, "DrawPath (alternate / winding)");
XPen pen = new XPen(XColors.Navy, 2.5);
// Alternate fill mode
XGraphicsPath path = new XGraphicsPath();
path.FillMode = XFillMode.Alternate;
path.AddLine(10, 130, 10, 40);
path.AddBeziers(new XPoint[] { new XPoint(10, 40), new XPoint(30, 0), new XPoint(40, 20), new XPoint(60, 40),
new XPoint(80, 60), new XPoint(100, 60), new XPoint(120, 40) });
path.AddLine(120, 40, 120, 130);
path.CloseFigure();
path.AddEllipse(40, 80, 50, 40);
gfx.DrawPath(pen, XBrushes.DarkOrange, path);
// Winding fill mode
path = new XGraphicsPath();
path.FillMode = XFillMode.Winding;
path.AddLine(130, 130, 130, 40);
path.AddBeziers(new XPoint[] { new XPoint(130, 40), new XPoint(150, 0), new XPoint(160, 20), new XPoint(180, 40),
new XPoint(200, 60), new XPoint(220, 60), new XPoint(240, 40) });
path.AddLine(240, 40, 240, 130);
path.CloseFigure();
path.AddEllipse(160, 80, 50, 40);
gfx.DrawPath(pen, XBrushes.DarkOrange, path);
EndBox(gfx);
}
public XGraphicsPath DrawPath()
{
var curvepoints = new XPoint[] { A, E, D };
var path = new XGraphicsPath();
path.AddCurve(curvepoints);
path.AddLine(D, C);
path.AddLine(C, B);
path.CloseFigure();
return(path);
}
public override void RenderPage(XGraphics gfx)
{
base.RenderPage(gfx);
XGraphicsPath path = new XGraphicsPath();
path.AddLine(50, 150, 50, 100);
path.AddArc(50, 50, 100, 100, -180, 180);
path.AddLine(150, 70, 200, 70);
path.AddLine(200, 70, 200, 150);
path.CloseFigure();
gfx.DrawPath(properties.Pen2.Pen, properties.Brush2.Brush, path);
}
protected override void OnRender(PdfRendererContext ctx, Panel panel)
{
if (panel.BackgroundColor.A == 0 && panel.Border.Color.A == 0)
{
return;
}
var brush = panel.BackgroundColor.A > 0 ? new XSolidBrush(panel.BackgroundColor.ToXColor()) : null;
var pen = panel.Border.Size > 0 ? new XPen(panel.Border.Color.ToXColor(), panel.Border.Size) : null;
var radius = panel.ActualRadius;
var path = new XGraphicsPath {
FillMode = XFillMode.Alternate
};
var shift = panel.Border.Size * 0.5f;
var rect = new RectangleF(panel.BorderLayout.X + shift, panel.BorderLayout.Y + shift, panel.BorderLayout.Width - 2 * shift, panel.BorderLayout.Height - 2 * shift);
path.AddLine(rect.X + radius.TopLeft, rect.Y, rect.Right - radius.TopRight, rect.Y);
if (radius.TopRight > 0)
{
path.AddArc(rect.Right - 2 * radius.TopRight, rect.Y, 2 * radius.TopRight, 2 * radius.TopRight, 270, 90);
}
path.AddLine(rect.Right, rect.Y + radius.TopRight, rect.Right, rect.Bottom - radius.BottomRight);
if (radius.BottomRight > 0)
{
path.AddArc(rect.Right - 2 * radius.BottomRight, rect.Bottom - 2 * radius.BottomRight, 2 * radius.BottomRight, 2 * radius.BottomRight, 0, 90);
}
path.AddLine(rect.Right - radius.BottomRight, rect.Bottom, rect.X + radius.BottomLeft, rect.Bottom);
if (radius.BottomLeft > 0)
{
path.AddArc(rect.X, rect.Bottom - 2 * radius.BottomLeft, 2 * radius.BottomLeft, 2 * radius.BottomLeft, 90, 90);
}
path.AddLine(rect.Left, rect.Bottom - radius.BottomLeft, rect.Left, rect.Top + radius.TopLeft);
if (radius.TopLeft > 0)
{
path.AddArc(rect.Left, rect.Top, 2 * radius.TopLeft, 2 * radius.TopLeft, 180, 90);
}
path.CloseFigure();
if (pen != null && brush != null)
{
ctx.Graphics.DrawPath(pen, brush, path);
}
else if (pen != null)
{
ctx.Graphics.DrawPath(pen, path);
}
else
{
ctx.Graphics.DrawPath(brush, path);
}
}
private void DrawPathOpen(XGraphics gfx, int number)
{
base.BeginBox(gfx, number, "DrawPath (open)");
XPen xPen = new XPen(XColors.Navy, 3.1415926535897931);
xPen.DashStyle = XDashStyle.Dash;
XGraphicsPath xGraphicsPath = new XGraphicsPath();
xGraphicsPath.AddLine(10, 120, 50, 60);
xGraphicsPath.AddArc(50, 20, 110, 80, 180, 180);
xGraphicsPath.AddLine(160, 60, 220, 100);
gfx.DrawPath(xPen, xGraphicsPath);
base.EndBox(gfx);
}
void RenderOpenPath(XGraphics gfx)
{
gfx.TranslateTransform(15, 20);
XPen pen = new XPen(XColors.Navy, Math.PI);
pen.DashStyle = XDashStyle.Dash;
XGraphicsPath path = new XGraphicsPath();
path.AddLine(10, 120, 50, 60);
path.AddArc(50, 20, 110, 80, 180, 180);
path.AddLine(160, 60, 220, 100);
gfx.DrawPath(pen, path);
}
public XGraphicsPath Surrond(double distance)
{
var path = new XGraphicsPath();
var O = FindO();
foreach (var curve in _curves)
{
var points = new XPoint[curve.Length];
for (var i = 0; i < curve.Length; i++)
{
var point = curve[i];
var x = FindPlace(point.X, O.X, distance);
var y = FindPlace(point.Y, O.Y, distance);
points[i] = new XPoint(x, y);
}
path.AddCurve(points);
}
foreach (var line in _lines)
{
var ax = FindPlace(line.Item1.X, O.X, distance);
var ay = FindPlace(line.Item1.Y, O.Y, distance);
var a = new XPoint(ax, ay);
var bx = FindPlace(line.Item2.X, O.X, distance);
var by = FindPlace(line.Item2.Y, O.Y, distance);
var b = new XPoint(bx, by);
path.AddLine(a, b);
}
path.CloseFigure();
return(path);
}
static void DrawPathOpen(XGraphics gfx, int number)
{
BeginBox(gfx, number, "DrawPath (open)");
XPen pen = new XPen(XColors.Navy, System.Math.PI);
pen.DashStyle = XDashStyle.Dash;
XGraphicsPath path = new XGraphicsPath();
path.AddLine(10, 120, 50, 60);
path.AddArc(50, 20, 110, 80, 180, 180);
path.AddLine(160, 60, 220, 100);
gfx.DrawPath(pen, path);
EndBox(gfx);
}
public override void RenderPage(XGraphics gfx)
{
base.RenderPage(gfx);
XGraphicsPath path = new XGraphicsPath();
path.AddLine(50, 150, 50, 100);
path.AddArc(50, 50, 100, 100, -180, 180);
path.AddLine(150, 70, 200, 70);
path.AddLine(200, 70, 200, 150);
path.CloseFigure();
XPen pen = new XPen(XColors.Red, 50);
path.Widen(pen, new XMatrix(), 3);
path.FillMode = this.properties.General.FillMode;
gfx.DrawPath(properties.Pen2.Pen, properties.Brush2.Brush, path);
}
public void Fill(XGraphics graphics, XBrush brush)
{
XGraphicsPath path = new XGraphicsPath
{
FillMode = XFillMode.Winding
};
bool hasFigure = false;
int ptIndex = 0;
foreach (Command command in Commands)
{
switch (command)
{
case Command.MoveTo:
if (hasFigure)
{
path.CloseFigure();
hasFigure = false;
}
ptIndex++;
break;
case Command.LineTo:
path.AddLine(Points[ptIndex - 1], Points[ptIndex]);
ptIndex += 1;
hasFigure = true;
break;
case Command.CubicCurveTo:
path.AddBezier(Points[ptIndex - 1], Points[ptIndex], Points[ptIndex + 1], Points[ptIndex + 2]);
ptIndex += 3;
hasFigure = true;
break;
case Command.CloseSubpath:
if (hasFigure)
{
path.CloseFigure();
hasFigure = false;
}
break;
case Command.Rectangle:
path.AddRectangle(Points[ptIndex + 1].X, Points[ptIndex + 1].Y, Points[ptIndex].X, Points[ptIndex].Y);
ptIndex += 2;
path.CloseFigure();
hasFigure = false;
break;
}
}
if (hasFigure)
{
path.CloseFigure();
}
graphics.DrawPath(brush, path);
}
/// <summary>
/// Strokes a closed path.
/// </summary>
void DrawPathClosed(XGraphics gfx, int number)
{
BeginBox(gfx, number, "DrawPath (closed)");
XPen pen = new XPen(XColors.Navy, Math.PI);
pen.DashStyle = XDashStyle.Dash;
XGraphicsPath path = new XGraphicsPath();
path.AddLine(10, 120, 50, 60);
path.AddArc(50, 20, 110, 80, 180, 180);
path.AddLine(160, 60, 220, 100);
path.CloseFigure();
gfx.DrawPath(pen, path);
EndBox(gfx);
}
public override void LineTo(double x, double y)
{
var point = new XPoint(x, y);
CurrentPath.StartFigure();
CurrentPath.AddLine(CurrentPathPoint, point);
CurrentPath.CloseFigure();
CurrentPathPoint = point;
}
void RenderAlternatePath(XGraphics gfx)
{
gfx.TranslateTransform(15, 20);
XPen pen = new XPen(XColors.Navy, 2.5);
// Alternate fill mode
XGraphicsPath path = new XGraphicsPath();
path.FillMode = XFillMode.Alternate;
path.AddLine(10, 130, 10, 40);
path.AddBeziers(new XPoint[] { new XPoint(10, 40), new XPoint(30, 0), new XPoint(40, 20), new XPoint(60, 40),
new XPoint(80, 60), new XPoint(100, 60), new XPoint(120, 40) });
path.AddLine(120, 40, 120, 130);
path.CloseFigure();
path.AddEllipse(40, 80, 50, 40);
gfx.DrawPath(pen, XBrushes.DarkOrange, path);
}
void RenderWindingPath(XGraphics gfx)
{
gfx.TranslateTransform(15, 150);
XPen pen = new XPen(XColors.Navy, 2.5);
// Winding fill mode
XGraphicsPath path = new XGraphicsPath();
path = new XGraphicsPath();
path.FillMode = XFillMode.Winding;
path.AddLine(130, 130, 130, 40);
path.AddBeziers(new XPoint[] { new XPoint(130, 40), new XPoint(150, 0), new XPoint(160, 20), new XPoint(180, 40),
new XPoint(200, 60), new XPoint(220, 60), new XPoint(240, 40) });
path.AddLine(240, 40, 240, 130);
path.CloseFigure();
path.AddEllipse(160, 80, 50, 40);
gfx.DrawPath(pen, XBrushes.DarkOrange, path);
}
internal void Render(XUnit x, XUnit y, XUnit width, XUnit height, RoundedCorner roundedCorner)
{
// If there is no rounded corner, we can use the usual Render method.
if (roundedCorner == RoundedCorner.None)
{
Render(x, y, width, height);
return;
}
if (_shading == null || _brush == null)
{
return;
}
XGraphicsPath path = new XGraphicsPath();
switch (roundedCorner)
{
case RoundedCorner.TopLeft:
path.AddArc(new XRect(x, y, width * 2, height * 2), 180, 90); // Error in CORE: _corePath.AddArc().
path.AddLine(new XPoint(x + width, y), new XPoint(x + width, y + height));
break;
case RoundedCorner.TopRight:
path.AddArc(new XRect(x - width, y, width * 2, height * 2), 270, 90); // Error in CORE: _corePath.AddArc().
path.AddLine(new XPoint(x + width, y + height), new XPoint(x, y + height));
break;
case RoundedCorner.BottomRight:
path.AddArc(new XRect(x - width, y - height, width * 2, height * 2), 0, 90); // Error in CORE: _corePath.AddArc().
path.AddLine(new XPoint(x, y + height), new XPoint(x, y));
break;
case RoundedCorner.BottomLeft:
path.AddArc(new XRect(x, y - height, width * 2, height * 2), 90, 90); // Error in CORE: _corePath.AddArc().
path.AddLine(new XPoint(x, y), new XPoint(x + width, y));
break;
}
path.CloseFigure();
_gfx.DrawPath(_brush, path);
}
public static void AddLine(XGraphicsPath path, LineSegment segment, Random random, bool straightEdges)
{
// if (Settings.HandDrawnDoc && !straightEdges)
if (!straightEdges)
{
var dx = segment.End.X - segment.Start.X;
var dy = segment.End.Y - segment.Start.Y;
var distance = (float)Math.Sqrt(dx * dx + dy * dy);
var points = random.Next(Math.Max(3, (int)(distance / 15)), Math.Max(6, (int)(distance / 8)));
var lines = points - 1;
var last = segment.Start;
for (var line = 0; line < lines; ++line)
{
Vector next;
if (line == 0)
{
next = last;
}
else if (line == lines - 1)
{
next = segment.End;
}
else
{
var fraction = line / (float)(lines - 1);
var x = segment.Start.X + (segment.End.X - segment.Start.X) * fraction;
var y = segment.Start.Y + (segment.End.Y - segment.Start.Y) * fraction;
x += random.Next(-1, 2);
y += random.Next(-1, 2);
next = new Vector(x, y);
}
path.AddLine(last.ToPointF(), next.ToPointF());
last = next;
}
}
else
{
path.AddLine(segment.Start.ToPointF(), segment.End.ToPointF());
}
}
public static void DrawChevron(XGraphics graphics, PointF pos, float angle, float size, Brush fillBrush)
{
if (m_chevronPath == null)
{
var apex = new PointF(0.5f, 0);
var leftCorner = new PointF(-0.5f, 0.5f);
var rightCorner = new PointF(-0.5f, -0.5f);
m_chevronPath = new XGraphicsPath();
m_chevronPath.AddLine(apex, rightCorner);
m_chevronPath.AddLine(rightCorner, leftCorner);
m_chevronPath.AddLine(leftCorner, apex);
}
var state = graphics.Save();
graphics.TranslateTransform(pos.X, pos.Y);
graphics.RotateTransform(angle);
graphics.ScaleTransform(size, size);
graphics.DrawPath(fillBrush, m_chevronPath);
graphics.Restore(state);
}
private void DrawPathAlternateAndWinding(XGraphics gfx, int number)
{
base.BeginBox(gfx, number, "DrawPath (alternate / winding)");
XPen pen = new XPen(XColors.Navy, 2.5);
XGraphicsPath xGraphicsPath = new XGraphicsPath();
xGraphicsPath.FillMode = XFillMode.Alternate;
xGraphicsPath.AddLine(10, 130, 10, 40);
xGraphicsPath.AddBeziers(new XPoint[]
{
new XPoint(10.0, 40.0),
new XPoint(30.0, 0.0),
new XPoint(40.0, 20.0),
new XPoint(60.0, 40.0),
new XPoint(80.0, 60.0),
new XPoint(100.0, 60.0),
new XPoint(120.0, 40.0)
});
xGraphicsPath.AddLine(120, 40, 120, 130);
xGraphicsPath.CloseFigure();
xGraphicsPath.AddEllipse(40, 80, 50, 40);
gfx.DrawPath(pen, XBrushes.DarkOrange, xGraphicsPath);
xGraphicsPath = new XGraphicsPath();
xGraphicsPath.FillMode = XFillMode.Winding;
xGraphicsPath.AddLine(130, 130, 130, 40);
xGraphicsPath.AddBeziers(new XPoint[]
{
new XPoint(130.0, 40.0),
new XPoint(150.0, 0.0),
new XPoint(160.0, 20.0),
new XPoint(180.0, 40.0),
new XPoint(200.0, 60.0),
new XPoint(220.0, 60.0),
new XPoint(240.0, 40.0)
});
xGraphicsPath.AddLine(240, 40, 240, 130);
xGraphicsPath.CloseFigure();
xGraphicsPath.AddEllipse(160, 80, 50, 40);
gfx.DrawPath(pen, XBrushes.DarkOrange, xGraphicsPath);
base.EndBox(gfx);
}
public static void AddLine(XGraphicsPath path, LineSegment segment, Random random)
{
if (Settings.HandDrawn)
{
float dx = segment.End.X - segment.Start.X;
float dy = segment.End.Y - segment.Start.Y;
float distance = (float)Math.Sqrt(dx * dx + dy * dy);
int points = random.Next(Math.Max(3, (int)(distance / 15)), Math.Max(6, (int)(distance / 8)));
int lines = points - 1;
Vector last = segment.Start;
for (int line = 0; line < lines; ++line)
{
Vector next;
if (line == 0)
{
next = last;
}
else if (line == lines - 1)
{
next = segment.End;
}
else
{
float fraction = (float)line / (float)(lines - 1);
float x = segment.Start.X + (segment.End.X - segment.Start.X) * fraction;
float y = segment.Start.Y + (segment.End.Y - segment.Start.Y) * fraction;
x += random.Next(-1, 2);
y += random.Next(-1, 2);
next = new Vector(x, y);
}
path.AddLine(last.ToPointF(), next.ToPointF());
last = next;
}
}
else
{
path.AddLine(segment.Start.ToPointF(), segment.End.ToPointF());
}
}
public override XPoint AddToPath(XGraphicsPath path, XPoint cursor, Base lastPathCommand = null)
{
if (Radii.Width == 0 || Radii.Height == 0)
{
path.AddLine(cursor, End.ToXPoint());
return(End.ToXPoint());
}
if (End.X == cursor.X && End.Y == cursor.Y)
{
return(cursor);
}
path.AddArc(cursor, End.ToXPoint(), Radii.ToXSize(), XAxisRotation, IsLongArc, IsSweep ? XSweepDirection.Clockwise : XSweepDirection.Counterclockwise);
return(End.ToXPoint());
}
public static XGraphicsPath GetPath(PathEx pathEx)
{
var path = new XGraphicsPath();
path.FillMode = (XFillMode)Enum.Parse(typeof(XFillMode), pathEx.FillMode.ToString());
path.StartFigure();
var start = new XPoint();
foreach (var segment in pathEx.Segments)
{
switch (segment.Type)
{
case PathEx.SegmentType.MoveTo:
start = PdfConverter.Convert(segment.Point1.ToPoint());
break;
case PathEx.SegmentType.LineTo:
var end = PdfConverter.Convert(segment.Point1.ToPoint());
path.AddLine(start, end);
start = end;
break;
case PathEx.SegmentType.BezierTo:
var p1 = PdfConverter.Convert(segment.Point1.ToPoint());
var p2 = PdfConverter.Convert(segment.Point2.ToPoint());
var bEnd = PdfConverter.Convert(segment.Point3.ToPoint());
path.AddBezier(start, p1, p2, bEnd);
start = bEnd;
break;
case PathEx.SegmentType.FigureEnd:
if (segment.Closed)
{
path.CloseFigure();
}
break;
}
}
return(path);
}
public void AddLine(Point point1, Point point2)
{
Path.AddLine(point1, point2);
}
internal static void SvgPath2Pdf(SvgPath element, XGraphics graphics)
{
if (element.Display == "none")
{
return;
}
var path = new XGraphicsPath {
FillMode = XFillMode.Winding
};
foreach (var segment in element.PathData)
{
switch (segment)
{
case SvgMoveToSegment svgMoveToSegment:
Console.WriteLine($"{segment.GetType()}, start: {svgMoveToSegment.Start}, end: {svgMoveToSegment.End}");
path.StartFigure();
break;
case SvgCubicCurveSegment svgCubicCurveSegment:
Console.WriteLine(
$"{segment.GetType()}, start: {svgCubicCurveSegment.Start}, first control: {svgCubicCurveSegment.FirstControlPoint}, second control: {svgCubicCurveSegment.SecondControlPoint}, end: {svgCubicCurveSegment.End}");
path.AddBezier(ConvertHelper.Point2XPoint(svgCubicCurveSegment.Start),
ConvertHelper.Point2XPoint(svgCubicCurveSegment.FirstControlPoint),
ConvertHelper.Point2XPoint(svgCubicCurveSegment.SecondControlPoint),
ConvertHelper.Point2XPoint(svgCubicCurveSegment.End));
break;
case SvgQuadraticCurveSegment svgQuadraticCurveSegment:
Console.WriteLine($"{segment.GetType()}, start: {svgQuadraticCurveSegment.Start}, control: {svgQuadraticCurveSegment.ControlPoint}, end: {svgQuadraticCurveSegment.End}");
var(start, control1, control2, end) = MathHelper.Quadratic2Cubic(svgQuadraticCurveSegment.Start, svgQuadraticCurveSegment.ControlPoint, svgQuadraticCurveSegment.End);
path.AddBezier(ConvertHelper.Point2XPoint(start),
ConvertHelper.Point2XPoint(control1),
ConvertHelper.Point2XPoint(control2),
ConvertHelper.Point2XPoint(end));
break;
case SvgLineSegment svgLineSegment:
Console.WriteLine($"{segment.GetType()}, start: {svgLineSegment.Start}, end: {svgLineSegment.End}");
path.AddLine(ConvertHelper.Point2XPoint(svgLineSegment.Start), ConvertHelper.Point2XPoint(svgLineSegment.End));
break;
case SvgClosePathSegment svgClosePathSegment:
Console.WriteLine($"{segment.GetType()}, start: {svgClosePathSegment.Start}, end: {svgClosePathSegment.End}");
path.CloseFigure();
break;
default:
Console.WriteLine(segment.GetType());
break;
}
}
if (element.Fill != SvgPaintServer.None)
{
var brush = ConvertHelper.Fill2XBrush(element.Fill);
graphics.DrawPath(brush, path);
}
if (element.Stroke != null)
{
var pen = ConvertHelper.Stroke2XPen(element.Stroke, element.StrokeWidth, element.StrokeLineCap, element.StrokeLineJoin);
graphics.DrawPath(pen, path);
}
}
public override XPoint AddToPath(XGraphicsPath path, XPoint cursor, Base lastPathCommand = null)
{
path.AddLine(cursor, End.ToXPoint());
return(End.ToXPoint());
}
public override void LineTo(double x, double y)
{
_graphicsPath.AddLine((float)_lastPoint.X, (float)_lastPoint.Y, (float)x, (float)y);
_lastPoint = new RPoint(x, y);
}
/// <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 Test2d.XPathGeometry pg, double dx, double dy, Func <double, double> scale)
{
var gp = new XGraphicsPath();
gp.FillMode = pg.FillRule == Test2d.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 Test2d.XArcSegment)
{
#if CORE
//var arcSegment = segment as Test2d.XArcSegment;
// TODO: Convert WPF/SVG elliptical arc segment format to GDI+ bezier curves.
//startPoint = arcSegment.Point;
#endif
#if WPF
var arcSegment = segment as Test2d.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 == Test2d.XSweepDirection.Clockwise ? XSweepDirection.Clockwise : XSweepDirection.Counterclockwise);
startPoint = arcSegment.Point;
#endif
}
else if (segment is Test2d.XBezierSegment)
{
var bezierSegment = segment as Test2d.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 Test2d.XLineSegment)
{
var lineSegment = segment as Test2d.XLineSegment;
gp.AddLine(
scale(startPoint.X),
scale(startPoint.Y),
scale(lineSegment.Point.X),
scale(lineSegment.Point.Y));
startPoint = lineSegment.Point;
}
else if (segment is Test2d.XPolyBezierSegment)
{
var polyBezierSegment = segment as Test2d.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 Test2d.XPolyLineSegment)
{
var polyLineSegment = segment as Test2d.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 Test2d.XPolyQuadraticBezierSegment)
{
var polyQuadraticSegment = segment as Test2d.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 Test2d.XQuadraticBezierSegment)
{
var qbezierSegment = segment as Test2d.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);
}
/// <summary>
/// Draws the marker given through rendererInfo at the specified position. Position specifies
/// the center of the marker.
/// </summary>
internal static void Draw(XGraphics graphics, XPoint pos, MarkerRendererInfo rendererInfo)
{
#if SILVERLIGHT
return; // BUG: Code crashs Silverlight Path class.
#pragma warning disable 0162
#endif
if (rendererInfo.MarkerStyle == MarkerStyle.None)
{
return;
}
double size = rendererInfo.MarkerSize;
double size2 = size / 2;
double x0, y0, x1, y1;
double g;
XPen foreground = new XPen(rendererInfo.MarkerForegroundColor, 0.5);
XBrush background = new XSolidBrush(rendererInfo.MarkerBackgroundColor);
XGraphicsPath gp = new XGraphicsPath();
switch (rendererInfo.MarkerStyle)
{
case MarkerStyle.Square:
x0 = pos.X - size2;
y0 = pos.Y - size2;
x1 = pos.X + size2;
y1 = pos.Y + size2;
gp.AddLine(x0, y0, x1, y0);
gp.AddLine(x1, y0, x1, y1);
gp.AddLine(x1, y1, x0, y1);
gp.AddLine(x0, y1, x0, y0);
break;
case MarkerStyle.Diamond:
gp.AddLine(x1 = pos.X + size2, pos.Y, pos.X, y0 = pos.Y - size2);
gp.AddLine(pos.X, y0, x0 = pos.X - size2, pos.Y);
gp.AddLine(x0, pos.Y, pos.X, y1 = pos.Y + size2);
gp.AddLine(pos.X, y1, x1, pos.Y);
break;
case MarkerStyle.Triangle:
y0 = pos.Y + size / 2;
y1 = pos.Y - size / 2;
g = Math.Sqrt(size * size * 4 / 3) / 2;
gp.AddLine(pos.X, y1, pos.X + g, y0);
gp.AddLine(pos.X + g, y0, pos.X - g, y0);
gp.AddLine(pos.X - g, y0, pos.X, y1);
break;
case MarkerStyle.Plus:
g = size2 / 4;
gp.AddLine(pos.X - size2, pos.Y + g, pos.X - g, pos.Y + g);
gp.AddLine(pos.X - g, pos.Y + g, pos.X - g, pos.Y + size2);
gp.AddLine(pos.X - g, pos.Y + size2, pos.X + g, pos.Y + size2);
gp.AddLine(pos.X + g, pos.Y + size2, pos.X + g, pos.Y + g);
gp.AddLine(pos.X + g, pos.Y + g, pos.X + size2, pos.Y + g);
gp.AddLine(pos.X + size2, pos.Y + g, pos.X + size2, pos.Y - g);
gp.AddLine(pos.X + size2, pos.Y - g, pos.X + g, pos.Y - g);
gp.AddLine(pos.X + g, pos.Y - g, pos.X + g, pos.Y - size2);
gp.AddLine(pos.X + g, pos.Y - size2, pos.X - g, pos.Y - size2);
gp.AddLine(pos.X - g, pos.Y - size2, pos.X - g, pos.Y - g);
gp.AddLine(pos.X - g, pos.Y - g, pos.X - size2, pos.Y - g);
gp.AddLine(pos.X - size2, pos.Y - g, pos.X - size2, pos.Y + g);
break;
case MarkerStyle.Circle:
case MarkerStyle.Dot:
x0 = pos.X - size2;
y0 = pos.Y - size2;
gp.AddEllipse(x0, y0, size, size);
break;
case MarkerStyle.Dash:
x0 = pos.X - size2;
y0 = pos.Y - size2 / 3;
x1 = pos.X + size2;
y1 = pos.Y + size2 / 3;
gp.AddLine(x0, y0, x1, y0);
gp.AddLine(x1, y0, x1, y1);
gp.AddLine(x1, y1, x0, y1);
gp.AddLine(x0, y1, x0, y0);
break;
case MarkerStyle.X:
g = size / 4;
gp.AddLine(pos.X - size2 + g, pos.Y - size2, pos.X, pos.Y - g);
gp.AddLine(pos.X, pos.Y - g, pos.X + size2 - g, pos.Y - size2);
gp.AddLine(pos.X + size2 - g, pos.Y - size2, pos.X + size2, pos.Y - size2 + g);
gp.AddLine(pos.X + size2, pos.Y - size2 + g, pos.X + g, pos.Y);
gp.AddLine(pos.X + g, pos.Y, pos.X + size2, pos.Y + size2 - g);
gp.AddLine(pos.X + size2, pos.Y + size2 - g, pos.X + size2 - g, pos.Y + size2);
gp.AddLine(pos.X + size2 - g, pos.Y + size2, pos.X, pos.Y + g);
gp.AddLine(pos.X, pos.Y + g, pos.X - size2 + g, pos.Y + size2);
gp.AddLine(pos.X - size2 + g, pos.Y + size2, pos.X - size2, pos.Y + size2 - g);
gp.AddLine(pos.X - size2, pos.Y + size2 - g, pos.X - g, pos.Y);
gp.AddLine(pos.X - g, pos.Y, pos.X - size2, pos.Y - size2 + g);
break;
case MarkerStyle.Star:
{
XPoint[] points = new XPoint[10];
double radStep = 2 * Math.PI / 5;
double outerCircle = size / 2;
double innerCircle = size / 5;
// outer circle
double rad = -(Math.PI / 2); // 90�
for (int idx = 0; idx < 10; idx += 2)
{
points[idx].X = pos.X + outerCircle * Math.Cos(rad);
points[idx].Y = pos.Y + outerCircle * Math.Sin(rad);
rad += radStep;
}
// inner circle
rad = -(Math.PI / 4); // 45�
double x = innerCircle * Math.Cos(rad);
double y = innerCircle * Math.Sin(rad);
points[1].X = pos.X + x;
points[1].Y = pos.Y + y;
points[9].X = pos.X - x;
points[9].Y = pos.Y + y;
rad += radStep;
x = innerCircle * Math.Cos(rad);
y = innerCircle * Math.Sin(rad);
points[3].X = pos.X + x;
points[3].Y = pos.Y + y;
points[7].X = pos.X - x;
points[7].Y = pos.Y + y;
rad += radStep;
y = innerCircle * Math.Sin(rad);
points[5].X = pos.X;
points[5].Y = pos.Y + y;
gp.AddLines(points);
}
break;
}
gp.CloseFigure();
if (rendererInfo.MarkerStyle != MarkerStyle.Dot)
{
graphics.DrawPath(background, gp);
graphics.DrawPath(foreground, gp);
}
}