private void CreateArrows(Path path, StreamGeometryContext gc)
{
double start;
if (path.PathType == PathType.Convex)
{
start = GeometryHelper.GetAngleFromPoint(path.StartPoint, path.Origin);
}
else
{
start = GeometryHelper.GetAngleFromPoint(path.EndPoint, path.Origin);
}
for(int i= 0; i < 10; i++)
{
start += 8;
var org = GeometryHelper.GetPointAtAngle(path.Origin, path.Radius, start);
var pt1 = GeometryHelper.GetPointAtAngle(path.Origin, path.Radius + 10, start);
var pt2 = GeometryHelper.GetPointAtAngle(path.Origin, path.Radius - 10, start);
var pt3 = GeometryHelper.GetPointAtAngle(org, 20, start + 90);
gc.BeginFigure(pt1, true, true);
gc.LineTo(pt2, true, true);
gc.LineTo(pt3, true, true);
gc.LineTo(pt1, true, true);
gc.BeginFigure(path.Origin, false, false);
gc.LineTo(pt1, true, true);
}
}
public override void Draw(StreamGeometryContext context, Connection connection)
{
if (connection.SourceConnectionPoint == null || connection.TargetConnectionPoint == null)
{
context.BeginFigure(connection.StartPoint, true, false);
context.LineTo(connection.EndPoint, true, true);
}
else if(connection.Source == connection.Target)
{
Point startPoint = connection.SourceEndPoint.EndPoint;
Point midPoint = connection.SourceConnectionPoint.LineAwayFromThisTo(startPoint, 50);
context.BeginFigure(startPoint, true, true);
context.ArcTo(midPoint, new Size(50, 50), 180, false, SweepDirection.Clockwise, true, true);
context.ArcTo(startPoint, new Size(50, 50), 180, false, SweepDirection.Clockwise, true, true);
}
else
{
Point startPoint = connection.SourceEndPoint.EndPoint;
Point endPoint = connection.TargetEndPoint.EndPoint;
context.BeginFigure(startPoint, true, false);
context.LineTo(endPoint, true, true);
}
}
public static void DrawParallelLines(StreamGeometryContext context, Point startPoint, Point endPoint, int spacing)
{
Vector perpendicularLine = GetPerpendicularLine(startPoint, endPoint);
// Draw 1->2 line
context.BeginFigure(startPoint + (perpendicularLine * spacing), true, false);
context.LineTo(endPoint + (perpendicularLine * spacing), true, true);
// Draw 2->1 line
context.BeginFigure(startPoint - (perpendicularLine * spacing), true, false);
context.LineTo(endPoint - (perpendicularLine * spacing), true, true);
}
public override void Draw(StreamGeometryContext context, Point startPoint, Point endPoint)
{
Vector line = endPoint - startPoint;
Vector perpendicularLine = new Vector(line.Y, -line.X);
perpendicularLine.Normalize();
double halfLength = line.Length/2;
Point leftPoint = startPoint - (perpendicularLine*halfLength);
Point rightPoint = startPoint + (perpendicularLine * halfLength);
var norLine = new Vector(line.X, line.Y);
norLine.Normalize();
Point shortEndPoint = endPoint - (norLine * 4);
context.BeginFigure(startPoint, true, false);
context.LineTo(shortEndPoint, true, false);
context.LineTo(leftPoint, false, false);
context.LineTo(shortEndPoint, true, false);
context.LineTo(rightPoint, false, false);
context.LineTo(shortEndPoint, true, false);
context.LineTo(endPoint, true, false);
}
static void Polygon(StreamGeometryContext ctx, Point point, double size, double startAngle, int steps)
{
var halfSize = size / 2;
var xOffset = halfSize * Math.Sin(startAngle);
var yOffset = halfSize * Math.Cos(startAngle);
ctx.BeginFigure(new Point(point.X + xOffset, point.Y - yOffset), true, true);
for (var angle = startAngle + (MoreMath.TwoPi / steps); angle < MoreMath.TwoPi; angle += MoreMath.TwoPi / steps) ctx.LineTo(new Point(point.X + (halfSize * Math.Sin(angle)), point.Y - (halfSize * Math.Cos(angle))), true, true);
}
public void Draw(StreamGeometryContext context, Connection connection)
{
Point startPoint = connection.SourceEndPoint.EndPoint;
Point endPoint = connection.TargetEndPoint.EndPoint;
context.BeginFigure(startPoint, true, false);
context.LineTo(endPoint, true, true);
}
private static void AddCircleToGeometry(StreamGeometryContext streamGeometryContext, Point[] points, double pointSize)
{
foreach (Point point in points)
{
streamGeometryContext.BeginFigure(new Point(point.X - (pointSize / 2), point.Y - (pointSize / 2)), true, true);
streamGeometryContext.ArcTo(new Point(point.X - (pointSize / 2) - 0.0001, point.Y - (pointSize / 2)),
new Size(pointSize, pointSize), 360, true, SweepDirection.Clockwise, true, false);
}
}
///<summary>
/// Adds a <see cref="PathFigure"/> representing a polygon ring
/// having the given coordinate sequence to the supplied <see cref="StreamGeometryContext"/>
///</summary>
///<param name="sgc">The stream geometry context.</param>
///<param name="coordinates">A coordinate sequence</param>
///<param name="filled">Starting paramter for </param>
///<returns>The path for the coordinate sequence</returns>
private static void AddRing(StreamGeometryContext sgc, Coordinate[] coordinates, bool filled)
{
if (coordinates.Length <= 0)
return;
sgc.BeginFigure(ToPoint(coordinates[0]), filled, true);
if (coordinates.Length > 0)
sgc.PolyLineTo(ToPoint(coordinates, 1), true, true);
}
public static void DrawTriangle(StreamGeometryContext context, Vector mainLine, Vector mainPerpendicularLine, Point point1, int size, bool isFilled)
{
int halfSize = size / 2;
context.BeginFigure(point1, isFilled, true);
var point2 = point1 + (mainPerpendicularLine * halfSize) + (mainLine * size);
var point3 = point1 - (mainPerpendicularLine * halfSize) + (mainLine * size);
context.LineTo(point2, true, true);
context.LineTo(point3, true, true);
}
private void InternalDrawGeometry(StreamGeometryContext context)
{
generateGeometry();
context.BeginFigure(tips[0], true, true);
for (int x = 1; x < points.Count(); x++)
{
context.LineTo(points[x], true, true);
}
}
static void OpenFigure(StreamGeometryContext ctx, Point point, double size, double startAngle, int steps)
{
var halfSize = size / 2;
for (var angle = startAngle; angle <= Math.PI; angle += Math.PI / steps)
{
var xOffset = halfSize * Math.Sin(angle);
var yOffset = halfSize * Math.Cos(angle);
ctx.BeginFigure(new Point(point.X + xOffset, point.Y - yOffset), false, false);
ctx.LineTo(new Point(point.X - xOffset, point.Y + yOffset), true, false);
}
}
public override void Draw(StreamGeometryContext context, Point startPoint, Point endPoint)
{
base.Draw(context, startPoint, endPoint);
Vector line = endPoint - startPoint;
Vector perpendicularLine = new Vector(line.Y, -line.X);
perpendicularLine.Normalize();
double halfLength = line.Length / 2;
Point leftPoint = endPoint - (perpendicularLine * halfLength);
Point rightPoint = endPoint + (perpendicularLine * halfLength);
context.BeginFigure(leftPoint, true, false);
context.LineTo(rightPoint, true, false);
}
private static void AddSegmentToGeometry(StreamGeometryContext streamGeometryContext, Point[] points, bool close)
{
for (int i = 0; i < points.Length; i++)
{
if (i == 0)
{
streamGeometryContext.BeginFigure(points[i], true, false);
}
else
{
streamGeometryContext.LineTo(points[i], true, true);
}
}
if (close)
{
streamGeometryContext.LineTo(points[0], true, true);
}
}
private void InternalDrawArrowGeometry(StreamGeometryContext context)
{
var theta = Math.Atan2(Y1 - Y2, X1 - X2);
var sint = Math.Sin(theta);
var cost = Math.Cos(theta);
var pt1 = new Point(X1, Y1);
var pt2 = new Point(X2, Y2);
var pt3 = new Point(X2 + (HeadWidth * cost - HeadHeight * sint), Y2 + (HeadWidth * sint + HeadHeight * cost));
var pt4 = new Point(X2 + (HeadWidth * cost + HeadHeight * sint), Y2 - (HeadHeight * cost - HeadWidth * sint));
context.BeginFigure(pt1, true, false);
context.LineTo(pt2, true, true);
context.LineTo(pt3, true, true);
context.LineTo(pt2, true, true);
context.LineTo(pt4, true, true);
}
/// <summary>
/// The actual method for drawing the arrow.
/// </summary>
/// <param name="StreamGeometryContext">Describes a geometry using drawing commands.</param>
protected override void DrawArrowGeometry(StreamGeometryContext StreamGeometryContext)
{
var theta = Math.Atan2(Y1 - Y2, X1 - X2);
var sint = Math.Sin(theta);
var cost = Math.Cos(theta);
var ArrowOrigin = new Point(X1, Y1);
var ArrowTarget = new Point(X2, Y2);
var pt3 = new Point(X2 + (HeadWidth * cost - HeadHeight * sint),
Y2 + (HeadWidth * sint + HeadHeight * cost));
var pt4 = new Point(X2 + (HeadWidth * cost + HeadHeight * sint),
Y2 - (HeadHeight * cost - HeadWidth * sint));
StreamGeometryContext.BeginFigure(ArrowOrigin, isFilled: true, isClosed: false);
StreamGeometryContext.LineTo (ArrowTarget, isStroked: true, isSmoothJoin: true);
StreamGeometryContext.LineTo (pt3, isStroked: true, isSmoothJoin: true);
StreamGeometryContext.LineTo (ArrowTarget, isStroked: true, isSmoothJoin: true);
StreamGeometryContext.LineTo (pt4, isStroked: true, isSmoothJoin: true);
}
public static void AddArrow(StreamGeometryContext context,Point start,Point end, double thickness) {
if(thickness > 1) {
Point dir = end - start;
Point h = dir;
double dl = dir.Length;
if(dl < 0.001)
return;
dir /= dl;
var s = new Point(-dir.Y,dir.X);
double w = 0.5 * thickness;
Point s0 = w * s;
s *= h.Length * HalfArrowAngleTan;
s += s0;
double rad = w / HalfArrowAngleCos;
context.BeginFigure(Common.WpfPoint(start + s),true,true);
context.LineTo(Common.WpfPoint(start - s),true,false);
context.LineTo(Common.WpfPoint(end - s0),true,false);
context.ArcTo(Common.WpfPoint(end + s0),new Size(rad,rad),
Math.PI - ArrowAngle,false,SweepDirection.Clockwise,true,false);
} else {
Point dir = end - start;
double dl = dir.Length;
//take into account the widths
double delta = Math.Min(dl / 2, thickness + thickness / 2);
dir *= (dl - delta) / dl;
end = start + dir;
dir = dir.Rotate(Math.PI / 2);
Point s = dir * HalfArrowAngleTan;
context.BeginFigure(Common.WpfPoint(start + s),true,true);
context.LineTo(Common.WpfPoint(end),true,true);
context.LineTo(Common.WpfPoint(start - s),true,true);
}
}
static internal void FillContextForICurve(StreamGeometryContext context,ICurve iCurve) {
context.BeginFigure(Common.WpfPoint(iCurve.Start),false,false);
var c = iCurve as Curve;
if(c != null)
FillContexForCurve(context,c);
else {
var cubicBezierSeg = iCurve as CubicBezierSegment;
if(cubicBezierSeg != null)
context.BezierTo(Common.WpfPoint(cubicBezierSeg.B(1)),Common.WpfPoint(cubicBezierSeg.B(2)),
Common.WpfPoint(cubicBezierSeg.B(3)),true,false);
else {
var ls = iCurve as LineSegment;
if(ls != null)
context.LineTo(Common.WpfPoint(ls.End),true,false);
else {
var rr = iCurve as RoundedRect;
if(rr != null)
FillContexForCurve(context,rr.Curve);
else {
var poly = iCurve as Polyline;
if (poly != null)
FillContexForPolyline(context, poly);
else
{
var ellipse = iCurve as Ellipse;
if (ellipse != null) {
// context.LineTo(Common.WpfPoint(ellipse.End),true,false);
double sweepAngle = EllipseSweepAngle(ellipse);
bool largeArc = Math.Abs(sweepAngle) >= Math.PI;
Rectangle box = ellipse.FullBox();
context.ArcTo(Common.WpfPoint(ellipse.End),
new Size(box.Width/2, box.Height/2),
sweepAngle,
largeArc,
sweepAngle < 0
? SweepDirection.Counterclockwise
: SweepDirection.Clockwise,
true, true);
} else {
throw new NotImplementedException();
}
}
}
}
}
}
}
/// <summary>
///
/// </summary>
/// <param name="context"></param>
protected void DrawGeometry(StreamGeometryContext context)
{
Point offset = new Point(
(double.IsNaN(CenterX)) ? Width / 2.0 : CenterX,
(double.IsNaN(CenterY)) ? Height / 2.0 : CenterY);
double angleSpan = Math.Abs(EndAngle - StartAngle);
Point thrustPoint = PolarToCartesian(StartAngle + angleSpan/2.0, RadiusThrust, offset);
Point outerArcStartPoint = PolarToCartesian(StartAngle, OuterRadius, offset);
Point outerArcEndPoint = PolarToCartesian(EndAngle, OuterRadius, offset);
//using LERP, calculate the innerArc points, sadly we shall be short changing
Point innerArcStartPoint = PolarToCartesian(StartAngle, InnerRadius - RadiusThrust, thrustPoint);
Point innerArcEndPoint = PolarToCartesian(EndAngle, InnerRadius - RadiusThrust, thrustPoint);
bool largeArc = angleSpan > 180.0;
double innerArcDim = Math.Max(0.0, InnerRadius - RadiusThrust);
Size outerArcSize = new Size(OuterRadius, OuterRadius);
Size innerArcSize = new Size(innerArcDim, innerArcDim);
context.BeginFigure(outerArcStartPoint, true, true);
//context.LineTo(outerArcStartPoint, true, true);
context.ArcTo(outerArcEndPoint, outerArcSize, 0, largeArc, SweepDirection.Clockwise, true, true);
context.LineTo(innerArcEndPoint, true, true);
context.ArcTo(innerArcStartPoint, innerArcSize, 0, largeArc, SweepDirection.Counterclockwise, true, true);
}
/// <summary>
/// Draws the pie piece
/// </summary>
private void DrawGeometry(StreamGeometryContext context)
{
var innerArcStartPoint = Utils.ComputeCartesianCoordinate(RotationAngle, InnerRadius);
innerArcStartPoint.Offset(CentreX, CentreY);
var innerArcEndPoint = Utils.ComputeCartesianCoordinate(RotationAngle + WedgeAngle, InnerRadius);
innerArcEndPoint.Offset(CentreX, CentreY);
var outerArcStartPoint = Utils.ComputeCartesianCoordinate(RotationAngle, Radius);
outerArcStartPoint.Offset(CentreX, CentreY);
var outerArcEndPoint = Utils.ComputeCartesianCoordinate(RotationAngle + WedgeAngle, Radius);
outerArcEndPoint.Offset(CentreX, CentreY);
var innerArcMidPoint = Utils.ComputeCartesianCoordinate(RotationAngle + WedgeAngle * .5, InnerRadius);
innerArcMidPoint.Offset(CentreX, CentreY);
var outerArcMidPoint = Utils.ComputeCartesianCoordinate(RotationAngle + WedgeAngle * .5, Radius);
outerArcMidPoint.Offset(CentreX, CentreY);
var largeArc = WedgeAngle > 180.0d;
var requiresMidPoint = Math.Abs(WedgeAngle - 360) < .01;
if (PushOut > 0 && !requiresMidPoint)
{
var offset = Utils.ComputeCartesianCoordinate(RotationAngle + WedgeAngle / 2, PushOut);
innerArcStartPoint.Offset(offset.X, offset.Y);
innerArcEndPoint.Offset(offset.X, offset.Y);
outerArcStartPoint.Offset(offset.X, offset.Y);
outerArcEndPoint.Offset(offset.X, offset.Y);
}
var outerArcSize = new Size(Radius, Radius);
var innerArcSize = new Size(InnerRadius, InnerRadius);
if (requiresMidPoint)
{
context.BeginFigure(innerArcStartPoint, true, true);
context.LineTo(outerArcStartPoint, true, true);
context.ArcTo(outerArcMidPoint, outerArcSize, 0, false, SweepDirection.Clockwise, true, true);
context.ArcTo(outerArcEndPoint, outerArcSize, 0, false, SweepDirection.Clockwise, true, true);
context.LineTo(innerArcEndPoint, true, true);
context.ArcTo(innerArcMidPoint, innerArcSize, 0, false, SweepDirection.Counterclockwise, true, true);
context.ArcTo(innerArcStartPoint, innerArcSize, 0, false, SweepDirection.Counterclockwise, true, true);
return;
}
context.BeginFigure(innerArcStartPoint, true, true);
context.LineTo(outerArcStartPoint, true, true);
context.ArcTo(outerArcEndPoint, outerArcSize, 0, largeArc, SweepDirection.Clockwise, true, true);
context.LineTo(innerArcEndPoint, true, true);
context.ArcTo(innerArcStartPoint, innerArcSize, 0, largeArc, SweepDirection.Counterclockwise, true, true);
}
private void DrawFilledSquare(StreamGeometryContext ctx, Point centerPoint, float size)
{
Point p1 = new Point(centerPoint.X - size / 2.0f, centerPoint.Y - size/2.0f);
Point p2 = new Point(centerPoint.X + size / 2.0f, centerPoint.Y - size / 2.0f);
Point p3 = new Point(centerPoint.X + size / 2.0f, centerPoint.Y + size / 2.0f);
Point p4 = new Point(centerPoint.X - size / 2.0f, centerPoint.Y + size / 2.0f);
ctx.BeginFigure(p1, true, false);
ctx.LineTo(p2, false, false);
ctx.LineTo(p3, false, false);
ctx.LineTo(p4, false, false);
ctx.LineTo(p1, false, false);
}
private void DrawGeometry(StreamGeometryContext context, Point centre, float RotationAngle, float WedgeAngle, float Radius, float InnerRadius)
{
var innerArcStartPoint = ComputeCartesianCoordinate(RotationAngle, InnerRadius);
innerArcStartPoint.Offset(centre.X, centre.Y);
var innerArcEndPoint = ComputeCartesianCoordinate(RotationAngle + WedgeAngle, InnerRadius);
innerArcEndPoint.Offset(centre.X, centre.Y);
var outerArcStartPoint = ComputeCartesianCoordinate(RotationAngle, Radius);
outerArcStartPoint.Offset(centre.X, centre.Y);
var outerArcEndPoint = ComputeCartesianCoordinate(RotationAngle + WedgeAngle, Radius);
outerArcEndPoint.Offset(centre.X, centre.Y);
var largeArc = WedgeAngle > 180.0;
var outerArcSize = new Size(Radius, Radius);
var innerArcSize = new Size(InnerRadius, InnerRadius);
context.BeginFigure(innerArcStartPoint, true, true);
context.LineTo(outerArcStartPoint, true, true);
context.ArcTo(outerArcEndPoint, outerArcSize, 0, largeArc, SweepDirection.Clockwise, true, true);
context.LineTo(innerArcEndPoint, true, true);
context.ArcTo(innerArcStartPoint, innerArcSize, 0, largeArc, SweepDirection.Counterclockwise, true, true);
}
public void displayRecord()
{
//Find maximum and minimum for this graphlet, in case needed for scaling
double max = double.NegativeInfinity;
double min = double.PositiveInfinity;
foreach (int channel in channels)
{
Multigraph.displayChannel dc = mg.displayedChannels.Where(n => n.channel == channel).First();
max = Math.Max(dc.max, max);
min = Math.Min(dc.min, min);
}
//Check to see if new Y-axis and grid needed
if(mg.individual)
if (mg.useAllYMax) drawYGrid(Math.Max(mg.allChanMax, -mg.allChanMin));
else if (!mg.fixedYMax) //then must be per graphlet max
drawYGrid(Math.Max(max,-min));
if (mg.individual) // make sure this is the only one
{
foreach (Plot pl in plots)
gCanvas.Children.Remove(pl.path);
plots.Clear();
graphletMax = double.MinValue;
graphletMin = double.MaxValue;
}
foreach (int channel in channels)
{
Multigraph.displayChannel dc = mg.displayedChannels.Where(n => n.channel == channel).First();
points = new StreamGeometry();
ctx = points.Open();
ctx.BeginFigure(new Point(0, offset - mg.gp.halfMargin - dc.buffer[0] * graphletYScale), false, false);
double maxY = 10D * MainWindow.graphletSize;
for (int x = 1; x < dc.buffer.GetLength(0); x++)
{
double y = offset - mg.gp.halfMargin - dc.buffer[x] * graphletYScale;
if (y > maxY) y = maxY; //limit size of displayed point
else if (y < -maxY) y = -maxY;
ctx.LineTo(new Point((double)x * graphletXScale, y), true, true);
}
ctx.Close();
points.Freeze();
Path p = new Path();
p.Stroke = channel == mg.highlightedChannel ? Brushes.Red : Brushes.Black;
p.StrokeThickness = channel == mg.highlightedChannel ? strokeThickness * 2D : strokeThickness;
p.StrokeLineJoin = PenLineJoin.Round;
p.SnapsToDevicePixels = false; //use anti-aliasing
p.Data = points;
gCanvas.Children.Add(p); //draw the plot onto graphlet
Plot pl = new Plot();
pl.path = p;
pl.channel = channel;
pl.recNumber = mg.RecSet;
pl.max = max;
graphletMax = Math.Max(graphletMax, max); //for superimposed records
pl.min = min;
graphletMin = Math.Min(graphletMin, min);
pl.gvList = mg.gvList;
plots.Add(pl);
}
}
/// <summary>
/// Parse a PathFigureCollection string
/// </summary>
internal void ParseToGeometryContext(
StreamGeometryContext context,
string pathString,
int startIndex)
{
// [BreakingChange] Dev10 Bug #453199
// We really should throw an ArgumentNullException here for context and pathString.
// From original code
// This is only used in call to Double.Parse
_formatProvider = System.Globalization.CultureInfo.InvariantCulture;
_context = context;
_pathString = pathString;
_pathLength = pathString.Length;
_curIndex = startIndex;
_secondLastPoint = new Point(0, 0);
_lastPoint = new Point(0, 0);
_lastStart = new Point(0, 0);
_figureStarted = false;
bool first = true;
char last_cmd = ' ';
while (ReadToken()) // Empty path is allowed in XAML
{
char cmd = _token;
if (first)
{
if ((cmd != 'M') && (cmd != 'm')) // Path starts with M|m
{
ThrowBadToken();
}
first = false;
}
switch (cmd)
{
case 'm': case 'M':
// XAML allows multiple points after M/m
_lastPoint = ReadPoint(cmd, ! AllowComma);
context.BeginFigure(_lastPoint, IsFilled, ! IsClosed);
_figureStarted = true;
_lastStart = _lastPoint;
last_cmd = 'M';
while (IsNumber(AllowComma))
{
_lastPoint = ReadPoint(cmd, ! AllowComma);
context.LineTo(_lastPoint, IsStroked, ! IsSmoothJoin);
last_cmd = 'L';
}
break;
case 'l': case 'L':
case 'h': case 'H':
case 'v': case 'V':
EnsureFigure();
do
{
switch (cmd)
{
case 'l': _lastPoint = ReadPoint(cmd, ! AllowComma); break;
case 'L': _lastPoint = ReadPoint(cmd, ! AllowComma); break;
case 'h': _lastPoint.X += ReadNumber(! AllowComma); break;
case 'H': _lastPoint.X = ReadNumber(! AllowComma); break;
case 'v': _lastPoint.Y += ReadNumber(! AllowComma); break;
case 'V': _lastPoint.Y = ReadNumber(! AllowComma); break;
}
context.LineTo(_lastPoint, IsStroked, ! IsSmoothJoin);
}
while (IsNumber(AllowComma));
last_cmd = 'L';
break;
case 'c': case 'C': // cubic Bezier
case 's': case 'S': // smooth cublic Bezier
EnsureFigure();
do
{
Point p;
if ((cmd == 's') || (cmd == 'S'))
{
if (last_cmd == 'C')
{
p = Reflect();
}
else
{
p = _lastPoint;
}
_secondLastPoint = ReadPoint(cmd, ! AllowComma);
}
else
{
p = ReadPoint(cmd, ! AllowComma);
_secondLastPoint = ReadPoint(cmd, AllowComma);
}
_lastPoint = ReadPoint(cmd, AllowComma);
context.BezierTo(p, _secondLastPoint, _lastPoint, IsStroked, ! IsSmoothJoin);
last_cmd = 'C';
}
while (IsNumber(AllowComma));
break;
case 'q': case 'Q': // quadratic Bezier
case 't': case 'T': // smooth quadratic Bezier
EnsureFigure();
do
{
if ((cmd == 't') || (cmd == 'T'))
{
if (last_cmd == 'Q')
{
_secondLastPoint = Reflect();
}
else
{
_secondLastPoint = _lastPoint;
}
_lastPoint = ReadPoint(cmd, ! AllowComma);
}
else
{
_secondLastPoint = ReadPoint(cmd, ! AllowComma);
_lastPoint = ReadPoint(cmd, AllowComma);
}
context.QuadraticBezierTo(_secondLastPoint, _lastPoint, IsStroked, ! IsSmoothJoin);
last_cmd = 'Q';
}
while (IsNumber(AllowComma));
break;
case 'a': case 'A':
EnsureFigure();
do
{
// A 3,4 5, 0, 0, 6,7
double w = ReadNumber(! AllowComma);
double h = ReadNumber(AllowComma);
double rotation = ReadNumber(AllowComma);
bool large = ReadBool();
bool sweep = ReadBool();
_lastPoint = ReadPoint(cmd, AllowComma);
context.ArcTo(
_lastPoint,
new Size(w, h),
rotation,
large,
#if PBTCOMPILER
sweep,
#else
sweep ? SweepDirection.Clockwise : SweepDirection.Counterclockwise,
#endif
IsStroked,
! IsSmoothJoin
);
}
while (IsNumber(AllowComma));
last_cmd = 'A';
break;
case 'z':
case 'Z':
EnsureFigure();
context.SetClosedState(IsClosed);
_figureStarted = false;
last_cmd = 'Z';
_lastPoint = _lastStart; // Set reference point to be first point of current figure
break;
default:
ThrowBadToken();
break;
}
}
}
/// <summary>
/// Draws the primitive geometric components of the wedge.
/// </summary>
/// <param name="context">The context.</param>
public void InternalDrawGeometry(StreamGeometryContext context)
{
Point startPoint = center;
Point innerArcStartPoint = ComputeCartesianCoordinate(rotationAngle, innerRadius);
innerArcStartPoint.Offset(center.X, center.Y);
Point innerArcEndPoint = ComputeCartesianCoordinate(rotationAngle + sweep, innerRadius);
innerArcEndPoint.Offset(center.X, center.Y);
Point outerArcStartPoint = ComputeCartesianCoordinate(rotationAngle, /*innerRadius +*/ outerRadius);
outerArcStartPoint.Offset(center.X, center.Y);
Point outerArcEndPoint = ComputeCartesianCoordinate(rotationAngle + sweep, /*innerRadius +*/ outerRadius);
outerArcEndPoint.Offset(center.X, center.Y);
bool largeArc = sweep > 180.0;
/*
Point offset = ComputeCartesianCoordinate(rotationAngle + sweep / 2, PushOut);
innerArcStartPoint.Offset(offset.X, offset.Y);
innerArcEndPoint.Offset(offset.X, offset.Y);
outerArcStartPoint.Offset(offset.X, offset.Y);
outerArcEndPoint.Offset(offset.X, offset.Y);
*/
Size outerArcSize = new Size(/*innerRadius +*/ outerRadius, /*innerRadius +*/ outerRadius);
Size innerArcSize = new Size(innerRadius, innerRadius);
context.BeginFigure(innerArcStartPoint, true, true);
context.LineTo(outerArcStartPoint, true, true);
context.ArcTo(outerArcEndPoint, outerArcSize, 0, largeArc, SweepDirection.Clockwise, true, true);
context.LineTo(innerArcEndPoint, true, true);
context.ArcTo(innerArcStartPoint, innerArcSize, 0, largeArc, SweepDirection.Counterclockwise, true, true);
}
/// <summary>
/// Draws the pie piece
/// </summary>
private void DrawGeometry(StreamGeometryContext context)
{
Point startPoint = new Point(CentreX, CentreY);
Point innerArcStartPoint = Utils.ComputeCartesianCoordinate(RotationAngle, InnerRadius);
innerArcStartPoint.Offset(CentreX, CentreY);
Point innerArcEndPoint = Utils.ComputeCartesianCoordinate(RotationAngle + WedgeAngle, InnerRadius);
innerArcEndPoint.Offset(CentreX, CentreY);
Point outerArcStartPoint = Utils.ComputeCartesianCoordinate(RotationAngle, Radius);
outerArcStartPoint.Offset(CentreX, CentreY);
Point outerArcEndPoint = Utils.ComputeCartesianCoordinate(RotationAngle + WedgeAngle, Radius);
outerArcEndPoint.Offset(CentreX, CentreY);
bool largeArc = WedgeAngle>180.0;
if (PushOut > 0)
{
Point offset = Utils.ComputeCartesianCoordinate(RotationAngle + WedgeAngle / 2, PushOut);
innerArcStartPoint.Offset(offset.X, offset.Y);
innerArcEndPoint.Offset(offset.X, offset.Y);
outerArcStartPoint.Offset(offset.X, offset.Y);
outerArcEndPoint.Offset(offset.X, offset.Y);
}
Size outerArcSize = new Size(Radius, Radius);
Size innerArcSize = new Size(InnerRadius, InnerRadius);
Size endingsArcSize = new Size(5, 5);
context.BeginFigure(innerArcStartPoint, true, true);
// Use LineTo to draw a flat endings
//context.LineTo(outerArcStartPoint, true, true);
context.ArcTo(outerArcStartPoint, endingsArcSize, 0, false, SweepDirection.Counterclockwise, true, true);
context.ArcTo(outerArcEndPoint, outerArcSize, 0, largeArc, SweepDirection.Clockwise, true, true);
//context.LineTo(innerArcEndPoint, true, true);
context.ArcTo(innerArcEndPoint, endingsArcSize, 0, false, SweepDirection.Counterclockwise, true, true);
context.ArcTo(innerArcStartPoint, innerArcSize, 0, largeArc, SweepDirection.Counterclockwise, true, true);
}
// draws a filled arrow at the head
private void _drawFilledArrowHead(StreamGeometryContext c, Point p, Vector v, double length, double thickness) {
var p0 = p - v * length;
var h = _rotate90(v) * thickness;
c.BeginFigure(p0 + h, true, true);
c.LineTo(p, true, true);
c.LineTo(p0 - h, true, true);
}
/// <summary>
/// Draws the pie piece
/// </summary>
private void DrawGeometry(StreamGeometryContext context)
{
if (AngleDelta <= 0)
{
return;
}
double outerStartAngle = StartAngle;
double outerAngleDelta = AngleDelta;
double innerStartAngle = StartAngle;
double innerAngleDelta = AngleDelta;
Point arcCenter = new Point(CenterX, CenterY);
Size outerArcSize = new Size(OuterRadius, OuterRadius);
Size innerArcSize = new Size(InnerRadius, InnerRadius);
// If have to draw a full-circle, draws two semi-circles, because 'ArcTo()' can not draw a full-circle
if (AngleDelta >= 360 && Padding <= 0)
{
Point outerArcTopPoint = ComputeCartesianCoordinate(arcCenter, outerStartAngle, OuterRadius + PushOut);
Point outerArcBottomPoint = ComputeCartesianCoordinate(arcCenter, outerStartAngle + 180, OuterRadius + PushOut);
Point innerArcTopPoint = ComputeCartesianCoordinate(arcCenter, innerStartAngle, InnerRadius + PushOut);
Point innerArcBottomPoint = ComputeCartesianCoordinate(arcCenter, innerStartAngle + 180, InnerRadius + PushOut);
context.BeginFigure(innerArcTopPoint, true, true);
context.LineTo(outerArcTopPoint, true, true);
context.ArcTo(outerArcBottomPoint, outerArcSize, 0, false, SweepDirection.Clockwise, true, true);
context.ArcTo(outerArcTopPoint, outerArcSize, 0, false, SweepDirection.Clockwise, true, true);
context.LineTo(innerArcTopPoint, true, true);
context.ArcTo(innerArcBottomPoint, innerArcSize, 0, false, SweepDirection.Counterclockwise, true, true);
context.ArcTo(innerArcTopPoint, innerArcSize, 0, false, SweepDirection.Counterclockwise, true, true);
}
// Else draws as always
else
{
if (Padding > 0)
{
// Offsets the angle by the padding
double outerAngleVariation = (180 * (Padding / OuterRadius)) / Math.PI;
double innerAngleVariation = (180 * (Padding / InnerRadius)) / Math.PI;
outerStartAngle += outerAngleVariation;
outerAngleDelta -= outerAngleVariation * 2;
innerStartAngle += innerAngleVariation;
innerAngleDelta -= innerAngleVariation * 2;
}
Point outerArcStartPoint = ComputeCartesianCoordinate(arcCenter, outerStartAngle, OuterRadius + PushOut);
Point outerArcEndPoint = ComputeCartesianCoordinate(arcCenter, outerStartAngle + outerAngleDelta, OuterRadius + PushOut);
Point innerArcStartPoint = ComputeCartesianCoordinate(arcCenter, innerStartAngle, InnerRadius + PushOut);
Point innerArcEndPoint = ComputeCartesianCoordinate(arcCenter, innerStartAngle + innerAngleDelta, InnerRadius + PushOut);
bool largeArcOuter = outerAngleDelta > 180.0;
bool largeArcInner = innerAngleDelta > 180.0;
context.BeginFigure(innerArcStartPoint, true, true);
context.LineTo(outerArcStartPoint, true, true);
context.ArcTo(outerArcEndPoint, outerArcSize, 0, largeArcOuter, SweepDirection.Clockwise, true, true);
context.LineTo(innerArcEndPoint, true, true);
context.ArcTo(innerArcStartPoint, innerArcSize, 0, largeArcInner, SweepDirection.Counterclockwise, true, true);
}
}
// draws a circle at the tail
private void _drawCircularTail(StreamGeometryContext c, Point p, Vector v, double r) {
var p0 = p - v * 2 * r;
c.BeginFigure(p, true, true);
c.ArcTo(p0, new Size(r, r), 0, false, SweepDirection.Clockwise, true, false);
c.ArcTo(p, new Size(r, r), 0, false, SweepDirection.Clockwise, true, false);
}
private void method18(StreamGeometryContext streamGeometryContext)
{
Point point = new Point(method10(), method12());
Point point2 = Utils.ComputeCartesianCoordinate(method8(), method4());
point2.Offset(method10(), method12());
Point point3 = Utils.ComputeCartesianCoordinate(method8() + method6(), method4());
point3.Offset(method10(), method12());
Point point4 = Utils.ComputeCartesianCoordinate(method8(), method0());
point4.Offset(method10(), method12());
Point point5 = Utils.ComputeCartesianCoordinate(method8() + method6(), method0());
point5.Offset(method10(), method12());
bool isLargeArc = method6() > 180.0;
if (method2() > 0.0)
{
Point point6 = Utils.ComputeCartesianCoordinate(method8() + method6() / 2.0, method2());
point2.Offset(point6.X, point6.Y);
point3.Offset(point6.X, point6.Y);
point4.Offset(point6.X, point6.Y);
point5.Offset(point6.X, point6.Y);
}
Size size = new Size(method0(), method0());
Size size2 = new Size(method4(), method4());
streamGeometryContext.BeginFigure(point2, true, true);
streamGeometryContext.LineTo(point4, true, true);
streamGeometryContext.ArcTo(point5, size, 0.0, isLargeArc, SweepDirection.Clockwise, true, true);
streamGeometryContext.LineTo(point3, true, true);
streamGeometryContext.ArcTo(point2, size2, 0.0, isLargeArc, SweepDirection.Counterclockwise, true, true);
}
// draws a triangle at the tail
private void _drawTriangularTail(StreamGeometryContext c, Point p, Vector v) {
var p0 = p - v * 17;
var h = _rotate90(v) * 15;
c.BeginFigure(p, true, true);
c.LineTo(p0 + h, true, true);
c.LineTo(p0 - h, true, true);
}