private void DrawFileViewLasso(
CanvasDrawingSession ds, float leftTop, float leftHeight, float rightTop, float rightHeight)
{
var pathBuilder = new CanvasPathBuilder(ds);
float num1 = Math.Min(4.0f, leftHeight * 0.5f); // bezier curve control point
float num2 = Math.Min(4.0f, rightHeight * 0.5f); // bezier curve control point
float y1 = leftTop + leftHeight;
float y2 = rightTop + rightHeight;
pathBuilder.BeginFigure(new Vector2(32.0f, leftTop));
pathBuilder.AddLine(new Vector2(36.0f, rightTop));
pathBuilder.AddLine(new Vector2(56.0f, rightTop));
pathBuilder.AddQuadraticBezier(new Vector2(60.0f, rightTop), new Vector2(60.0f, rightTop + num2));
pathBuilder.AddLine(new Vector2(60.0f, y2 - num2));
pathBuilder.AddQuadraticBezier(new Vector2(60.0f, y2), new Vector2(56.0f, y2));
pathBuilder.AddLine(new Vector2(36.0f, y2));
pathBuilder.AddLine(new Vector2(32.0f, y1));
pathBuilder.AddLine(new Vector2(12.0f, y1));
pathBuilder.AddQuadraticBezier(new Vector2(8.0f, y1), new Vector2(8.0f, y1 - num1));
pathBuilder.AddLine(new Vector2(8.0f, leftTop + num1));
pathBuilder.AddQuadraticBezier(new Vector2(8.0f, leftTop), new Vector2(12.0f, leftTop));
pathBuilder.EndFigure(CanvasFigureLoop.Closed);
var finalGeo = CanvasGeometry.CreatePath(pathBuilder);
ds.DrawGeometry(finalGeo, _lassoColor);
}
/// <summary>
/// Adds the Path Element to the Path.
/// </summary>
/// <param name="pathBuilder">CanvasPathBuilder object</param>
/// <param name="currentPoint">The last active location in the Path before adding
/// the Path Element</param>
/// <param name="lastElement">The previous PathElement in the Path.</param>
/// <returns>The latest location in the Path after adding the Path Element</returns>
public override Vector2 CreatePath(CanvasPathBuilder pathBuilder, Vector2 currentPoint, ref ICanvasPathElement lastElement)
{
// Calculate coordinates
var controlPoint = new Vector2(_x1, _y1);
var point = new Vector2(_x, _y);
if (IsRelative)
{
controlPoint += currentPoint;
point += currentPoint;
}
// Save the absolute control point so that it can be used by the following
// SmoothQuadraticBezierElement (if any)
_absoluteControlPoint = controlPoint;
// Execute command
pathBuilder.AddQuadraticBezier(controlPoint, point);
// Set Last Element
lastElement = this;
// Return current point
return(point);
}
/// <summary>
/// Adds the Path Element to the Path.
/// </summary>
/// <param name="pathBuilder">CanvasPathBuilder object</param>
/// <param name="currentPoint">The last active location in the Path before adding
/// the Path Element</param>
/// <param name="lastElement">The previous PathElement in the Path.</param>
/// <param name="logger">For logging purpose. To log the set of CanvasPathBuilder
/// commands, used for creating the CanvasGeometry, in string format.</param>
/// <returns>The latest location in the Path after adding the Path Element</returns>
public override Vector2 CreatePath(CanvasPathBuilder pathBuilder, Vector2 currentPoint,
ref ICanvasPathElement lastElement, StringBuilder logger)
{
// Calculate coordinates
var controlPoint = new Vector2(_x1, _y1);
var point = new Vector2(_x, _y);
if (IsRelative)
{
controlPoint += currentPoint;
point += currentPoint;
}
// Save the absolute control point so that it can be used by the following
// SmoothQuadraticBezierElement (if any)
_absoluteControlPoint = controlPoint;
// Execute command
pathBuilder.AddQuadraticBezier(controlPoint, point);
// Log command
logger?.Append($"{Indent}pathBuilder.AddQuadraticBezier(new Vector2({controlPoint.X}, {controlPoint.Y})");
logger?.AppendLine($", new Vector2({point.X}, {point.Y}));");
// Set Last Element
lastElement = this;
// Return current point
return(point);
}
public void QuadTo(float x1, float y1, float x, float y)
{
var controlPoint = new System.Numerics.Vector2(x1, y1);
var endPoint = new System.Numerics.Vector2(x, y);
_pathBuilder.AddQuadraticBezier(controlPoint, endPoint);
}
public void VerifySendPathTo()
{
//
// This calls each of the path functions, once, and verfies that it works.
// Sink behavior is verified in more detail in the geometry unit tests.
//
CanvasDevice device = new CanvasDevice();
CanvasPathBuilder pathBuilder = new CanvasPathBuilder(device);
pathBuilder.SetFilledRegionDetermination(CanvasFilledRegionDetermination.Alternate);
pathBuilder.BeginFigure(0, 0);
pathBuilder.AddLine(0, 0);
pathBuilder.AddQuadraticBezier(new Vector2(), new Vector2());
pathBuilder.AddCubicBezier(new Vector2(), new Vector2(), new Vector2());
// D2D tries to be smart about degenerate arcs and redundant set segment options, and may sometimes actually
// surpress them. Therefore, these calls use non-defaults.
pathBuilder.AddArc(new Vector2 {
X = 100, Y = 100
}, 10, 10, 90, CanvasSweepDirection.Clockwise, CanvasArcSize.Small);
pathBuilder.SetSegmentOptions(CanvasFigureSegmentOptions.ForceUnstroked);
pathBuilder.EndFigure(CanvasFigureLoop.Closed);
CanvasGeometry pathGeometry = CanvasGeometry.CreatePath(pathBuilder);
MyGeometryStreamReader myStreamReader = new MyGeometryStreamReader();
pathGeometry.SendPathTo(myStreamReader);
myStreamReader.Verify();
}
public void QuadTo(float controlX, float controlY, float endX, float endY)
{
CheckPathBuilder();
_builder.AddQuadraticBezier(new Vector2()
{
X = controlX, Y = controlY
}, new Vector2()
{
X = endX, Y = endY
});
}
/// <summary>
/// Adds the Path Element to the Path.
/// </summary>
/// <param name="pathBuilder">CanvasPathBuilder object</param>
/// <param name="currentPoint">The last active location in the Path before adding
/// the Path Element</param>
/// <param name="lastElement">The previous PathElement in the Path.</param>
/// <param name="logger">For logging purpose. To log the set of CanvasPathBuilder
/// commands, used for creating the CanvasGeometry, in string format.</param>
/// <returns>The latest location in the Path after adding the Path Element</returns>
public override Vector2 CreatePath(CanvasPathBuilder pathBuilder, Vector2 currentPoint,
ref ICanvasPathElement lastElement, StringBuilder logger)
{
// Calculate coordinates
// Check if the last element was a Quadratic Bezier
var quadBezier = lastElement as QuadraticBezierElement;
if (quadBezier != null)
{
// Reflect the control point of the Quadratic Bezier over the current point. The
// resulting point will be the control point of this Bezier.
_absoluteControlPoint = Utils.Reflect(quadBezier.GetControlPoint(), currentPoint);
}
// Or if the last element was s Smooth Quadratic Bezier
else
{
var smoothQuadBezier = lastElement as SmoothQuadraticBezierElement;
// If the last element was a Smooth Quadratic Bezier then reflect its control point
// over the current point. The resulting point will be the control point of this
// Bezier. Otherwise, if the last element was not a Smooth Quadratic Bezier,
// then the currentPoint will be the control point of this Bezier.
_absoluteControlPoint = smoothQuadBezier != null
? Utils.Reflect(smoothQuadBezier.GetControlPoint(), currentPoint)
: currentPoint;
}
var point = new Vector2(_x, _y);
if (IsRelative)
{
point += currentPoint;
}
// Execute command
pathBuilder.AddQuadraticBezier(_absoluteControlPoint, point);
// Log command
logger?.Append($"{Indent}pathBuilder.AddQuadraticBezier(new Vector2({_absoluteControlPoint.X},");
logger?.AppendLine($" {_absoluteControlPoint.Y}), new Vector2({point.X}, {point.Y}));");
// Set Last Element
lastElement = this;
// Return current point
return(point);
}
/// <summary>
/// Adds the Path Element to the Path.
/// </summary>
/// <param name="pathBuilder">CanvasPathBuilder object</param>
/// <param name="currentPoint">The last active location in the Path before adding
/// the Path Element</param>
/// <param name="lastElement">The previous PathElement in the Path.</param>
/// <returns>The latest location in the Path after adding the Path Element</returns>
public override Vector2 CreatePath(CanvasPathBuilder pathBuilder, Vector2 currentPoint, ref ICanvasPathElement lastElement)
{
// Calculate coordinates
// Check if the last element was a Quadratic Bezier
if (lastElement is QuadraticBezierElement quadBezier)
{
// Reflect the control point of the Quadratic Bezier over the current point. The
// resulting point will be the control point of this Bezier.
_absoluteControlPoint = Utils.Reflect(quadBezier.GetControlPoint(), currentPoint);
}
// Or if the last element was s Smooth Quadratic Bezier
else
{
// If the last element was a Smooth Quadratic Bezier then reflect its control point
// over the current point. The resulting point will be the control point of this
// Bezier. Otherwise, if the last element was not a Smooth Quadratic Bezier,
// then the currentPoint will be the control point of this Bezier.
_absoluteControlPoint = lastElement is SmoothQuadraticBezierElement smoothQuadBezier
? Utils.Reflect(smoothQuadBezier.GetControlPoint(), currentPoint)
: currentPoint;
}
var point = new Vector2(_x, _y);
if (IsRelative)
{
point += currentPoint;
}
// Execute command
pathBuilder.AddQuadraticBezier(_absoluteControlPoint, point);
// Set Last Element
lastElement = this;
// Return current point
return(point);
}
public void Draw(object ds, XQBezier qbezier, double dx, double dy, ImmutableArray <ShapeProperty> db, Record r)
{
var _ds = ds as CanvasDrawingSession;
double thickness = qbezier.Style.Thickness / _state.Zoom;
var brush = ToColor(qbezier.Style.Fill);
var pen = ToColor(qbezier.Style.Stroke);
var ss = CreateStrokeStyle(qbezier.Style);
CanvasGeometry g;
using (var builder = new CanvasPathBuilder(_ds))
{
builder.BeginFigure((float)qbezier.Point1.X, (float)qbezier.Point1.Y);
builder.AddQuadraticBezier(
new N.Vector2(
(float)qbezier.Point2.X,
(float)qbezier.Point2.Y),
new N.Vector2(
(float)qbezier.Point3.X,
(float)qbezier.Point3.Y));
builder.EndFigure(CanvasFigureLoop.Open);
g = CanvasGeometry.CreatePath(builder);
}
if (qbezier.IsFilled)
{
_ds.FillGeometry(g, brush);
}
if (qbezier.IsStroked)
{
_ds.DrawGeometry(g, pen, (float)thickness, ss);
}
g.Dispose();
ss.Dispose();
}
private static CanvasGeometry BuildGeometry(ICanvasResourceCreator resourceCreator, IReadOnlyList <Vector2> points)
{
using (var builder = new CanvasPathBuilder(resourceCreator.Device))
{
builder.BeginFigure(points[0]);
for (var i = 0; i < points.Count / 3; i++)
{
builder.AddQuadraticBezier(points[(i * 3) + 1], points[(i * 3) + 2]);
var lastIndex = (i * 3) + 3;
if (lastIndex < points.Count - 1)
{
builder.AddLine(points[lastIndex]);
}
}
builder.EndFigure(CanvasFigureLoop.Closed);
return(CanvasGeometry.CreatePath(builder));
}
}
public static CanvasGeometry AsPathFromSegment(this PathF path, int segmentIndex, float zoom, ICanvasResourceCreator creator)
{
float scale = 1 / zoom;
var builder = new CanvasPathBuilder(creator);
var type = path.GetSegmentType(segmentIndex);
if (type == PathOperation.Line)
{
int segmentStartingPointIndex = path.GetSegmentPointIndex(segmentIndex);
var startPoint = path[segmentStartingPointIndex - 1];
builder.BeginFigure(startPoint.X * scale, startPoint.Y * scale, CanvasFigureFill.Default);
var point = path[segmentStartingPointIndex];
builder.AddLine(point.X * scale, point.Y * scale);
}
else if (type == PathOperation.Quad)
{
int segmentStartingPointIndex = path.GetSegmentPointIndex(segmentIndex);
var startPoint = path[segmentStartingPointIndex - 1];
builder.BeginFigure(startPoint.X * scale, startPoint.Y * scale, CanvasFigureFill.Default);
var controlPoint = path[segmentStartingPointIndex++];
var endPoint = path[segmentStartingPointIndex];
builder.AddQuadraticBezier(
new Vector2(controlPoint.X * scale, controlPoint.Y * scale),
new Vector2(endPoint.X * scale, endPoint.Y * scale));
}
else if (type == PathOperation.Cubic)
{
int segmentStartingPointIndex = path.GetSegmentPointIndex(segmentIndex);
var startPoint = path[segmentStartingPointIndex - 1];
builder.BeginFigure(startPoint.X * scale, startPoint.Y * scale, CanvasFigureFill.Default);
var controlPoint1 = path[segmentStartingPointIndex++];
var controlPoint2 = path[segmentStartingPointIndex++];
var endPoint = path[segmentStartingPointIndex];
builder.AddCubicBezier(
new Vector2(controlPoint1.X * scale, controlPoint1.Y * scale),
new Vector2(controlPoint2.X * scale, controlPoint2.Y * scale),
new Vector2(endPoint.X * scale, endPoint.Y * scale));
}
else if (type == PathOperation.Arc)
{
path.GetSegmentInfo(segmentIndex, out var pointIndex, out var arcAngleIndex, out var arcClockwiseIndex);
var topLeft = path[pointIndex++];
var bottomRight = path[pointIndex];
var startAngle = path.GetArcAngle(arcAngleIndex++);
var endAngle = path.GetArcAngle(arcAngleIndex);
var clockwise = path.GetArcClockwise(arcClockwiseIndex);
while (startAngle < 0)
{
startAngle += 360;
}
while (endAngle < 0)
{
endAngle += 360;
}
var rotation = Geometry.GetSweep(startAngle, endAngle, clockwise);
var absRotation = Math.Abs(rotation);
var rectX = topLeft.X * scale;
var rectY = topLeft.Y * scale;
var rectWidth = (bottomRight.X * scale) - rectX;
var rectHeight = (bottomRight.Y * scale) - rectY;
var startPoint = Geometry.EllipseAngleToPoint(rectX, rectY, rectWidth, rectHeight, -startAngle);
var endPoint = Geometry.EllipseAngleToPoint(rectX, rectY, rectWidth, rectHeight, -endAngle);
builder.BeginFigure(startPoint.X * scale, startPoint.Y * scale, CanvasFigureFill.Default);
builder.AddArc(
new Vector2(endPoint.X, endPoint.Y),
rectWidth / 2,
rectHeight / 2,
0,
clockwise ? CanvasSweepDirection.Clockwise : CanvasSweepDirection.CounterClockwise,
absRotation >= 180 ? CanvasArcSize.Large : CanvasArcSize.Small
);
}
builder.EndFigure(CanvasFigureLoop.Open);
return(CanvasGeometry.CreatePath(builder));
}
private CanvasGeometry CreatePath(CanvasDrawingSession session, SvgPathElement element)
{
if (this.PathCache.ContainsKey(element))
{
return(this.PathCache[element]);
}
var open = false;
var v = new Vector2 {
X = 0.0F, Y = 0.0F
};
CanvasGeometry geometry;
using (var builder = new CanvasPathBuilder(this.ResourceCreator))
{
var fillRule = element.Style.FillRule;
if (fillRule.HasValue && fillRule.Value.Value != SvgFillRuleType.EvenOdd)
{
builder.SetFilledRegionDetermination(CanvasFilledRegionDetermination.Winding);
}
foreach (var segment in element.Segments)
{
if (segment.PathSegmentType == SvgPathSegment.SvgPathSegmentType.ClosePath)
{
builder.EndFigure(CanvasFigureLoop.Closed);
open = false;
continue;
}
else if (segment.PathSegmentType == SvgPathSegment.SvgPathSegmentType.MoveToAbsolute)
{
if (open)
{
builder.EndFigure(CanvasFigureLoop.Open);
}
var casted = (SvgPathSegmentMoveToAbsolute)segment;
v.X = casted.X;
v.Y = casted.Y;
builder.BeginFigure(v);
open = true;
continue;
}
else if (segment.PathSegmentType == SvgPathSegment.SvgPathSegmentType.MoveToRelative)
{
if (open)
{
builder.EndFigure(CanvasFigureLoop.Open);
}
var casted = (SvgPathSegmentMoveToRelative)segment;
v.X += casted.X;
v.Y += casted.Y;
builder.BeginFigure(v);
open = true;
continue;
}
if (!open)
{
builder.BeginFigure(v);
open = true;
}
if (segment.PathSegmentType == SvgPathSegment.SvgPathSegmentType.LineToAbsolute)
{
var casted = (SvgPathSegmentLineToAbsolute)segment;
v.X = casted.X;
v.Y = casted.Y;
builder.AddLine(v);
}
else if (segment.PathSegmentType == SvgPathSegment.SvgPathSegmentType.LineToRelative)
{
var casted = (SvgPathSegmentLineToRelative)segment;
v.X += casted.X;
v.Y += casted.Y;
builder.AddLine(v);
}
else if (segment.PathSegmentType == SvgPathSegment.SvgPathSegmentType.CurveToCubicAbsolute)
{
var casted = (SvgPathSegmentCurveToCubicAbsolute)segment;
v.X = casted.X;
v.Y = casted.Y;
builder.AddCubicBezier(new Vector2 {
X = casted.X1, Y = casted.Y1
}, new Vector2 {
X = casted.X2, Y = casted.Y2
}, v);
}
else if (segment.PathSegmentType == SvgPathSegment.SvgPathSegmentType.CurveToCubicRelative)
{
var casted = (SvgPathSegmentCurveToCubicRelative)segment;
var c1 = v;
c1.X += casted.X1;
c1.Y += casted.Y1;
var c2 = v;
c2.X += casted.X2;
c2.Y += casted.Y2;
v.X += casted.X;
v.Y += casted.Y;
builder.AddCubicBezier(c1, c2, v);
}
else if (segment.PathSegmentType == SvgPathSegment.SvgPathSegmentType.CurveToQuadraticAbsolute)
{
var casted = (SvgPathSegmentCurveToQuadraticAbsolute)segment;
v.X = casted.X;
v.Y = casted.Y;
builder.AddQuadraticBezier(new Vector2 {
X = casted.X1, Y = casted.Y1
}, v);
}
else if (segment.PathSegmentType == SvgPathSegment.SvgPathSegmentType.CurveToQuadraticRelative)
{
var casted = (SvgPathSegmentCurveToQuadraticRelative)segment;
var c1 = v;
c1.X += casted.X1;
c1.Y += casted.Y1;
v.X += casted.X;
v.Y += casted.Y;
builder.AddQuadraticBezier(c1, v);
}
else if (segment.PathSegmentType == SvgPathSegment.SvgPathSegmentType.ArcAbsolute)
{
var casted = (SvgPathSegmentArcAbsolute)segment;
var size = casted.LargeArcFlag ? CanvasArcSize.Large : CanvasArcSize.Small;
var sweepDirection = casted.SweepFlag ? CanvasSweepDirection.Clockwise : CanvasSweepDirection.CounterClockwise;
builder.AddArc(new Vector2 {
X = casted.X, Y = casted.Y
}, casted.RadiusX, casted.RadiusY, 180.0F * casted.Angle / (float)Math.PI, sweepDirection, size);
}
else if (segment.PathSegmentType == SvgPathSegment.SvgPathSegmentType.ArcRelative)
{
var casted = (SvgPathSegmentArcRelative)segment;
v.X += casted.X;
v.Y += casted.Y;
var size = casted.LargeArcFlag ? CanvasArcSize.Large : CanvasArcSize.Small;
var sweepDirection = casted.SweepFlag ? CanvasSweepDirection.Clockwise : CanvasSweepDirection.CounterClockwise;
builder.AddArc(v, casted.RadiusX, casted.RadiusY, 180.0F * casted.Angle / (float)Math.PI, sweepDirection, size);
}
else if (segment.PathSegmentType == SvgPathSegment.SvgPathSegmentType.LineToHorizontalAbsolute)
{
var casted = (SvgPathSegmentLineToHorizontalAbsolute)segment;
v.X = casted.X;
builder.AddLine(v);
}
else if (segment.PathSegmentType == SvgPathSegment.SvgPathSegmentType.LineToHorizontalRelative)
{
var casted = (SvgPathSegmentLineToHorizontalRelative)segment;
v.X += casted.X;
builder.AddLine(v);
}
else if (segment.PathSegmentType == SvgPathSegment.SvgPathSegmentType.LineToVerticalAbsolute)
{
var casted = (SvgPathSegmentLineToVerticalAbsolute)segment;
v.Y = casted.Y;
builder.AddLine(v);
}
else if (segment.PathSegmentType == SvgPathSegment.SvgPathSegmentType.LineToVerticalRelative)
{
var casted = (SvgPathSegmentLineToVerticalRelative)segment;
v.Y += casted.Y;
builder.AddLine(v);
}
else if (segment.PathSegmentType == SvgPathSegment.SvgPathSegmentType.CurveToCubicSmoothAbsolute)
{
var casted = (SvgPathSegmentCurveToCubicSmoothAbsolute)segment;
var c1 = v;
v.X = casted.X;
v.Y = casted.Y;
builder.AddCubicBezier(c1, new Vector2 {
X = casted.X2, Y = casted.Y2
}, v);
}
else if (segment.PathSegmentType == SvgPathSegment.SvgPathSegmentType.CurveToCubicSmoothRelative)
{
var casted = (SvgPathSegmentCurveToCubicSmoothRelative)segment;
var c1 = v;
var c2 = v;
c2.X += casted.X2;
c2.Y += casted.Y2;
v.X += casted.X;
v.Y += casted.Y;
builder.AddCubicBezier(c1, c2, v);
}
else if (segment.PathSegmentType == SvgPathSegment.SvgPathSegmentType.CurveToQuadraticSmoothAbsolute)
{
var casted = (SvgPathSegmentCurveToQuadraticSmoothAbsolute)segment;
var c1 = v;
v.X = casted.X;
v.Y = casted.Y;
builder.AddQuadraticBezier(c1, v);
}
else if (segment.PathSegmentType == SvgPathSegment.SvgPathSegmentType.CurveToQuadraticSmoothRelative)
{
var casted = (SvgPathSegmentCurveToQuadraticSmoothRelative)segment;
var c1 = v;
v.X += casted.X;
v.Y += casted.Y;
builder.AddQuadraticBezier(c1, v);
}
}
if (open)
{
builder.EndFigure(CanvasFigureLoop.Open);
}
geometry = CanvasGeometry.CreatePath(builder);
}
this.DisposableObjects.Add(geometry);
this.PathCache.Add(element, geometry);
return(geometry);
}
/// <summary>
/// Adds a line in the form of a cubic bezier. The control point of the quadratic bezier will be the endpoint of the line itself.
/// </summary>
/// <param name="pathBuilder"><see cref="CanvasPathBuilder"/></param>
/// <param name="end">Ending location of the line segment.</param>
public static void AddLineAsQuadraticBezier(this CanvasPathBuilder pathBuilder, Vector2 end)
{
pathBuilder.AddQuadraticBezier(end, end);
}
public void AddQuadCurveToPoint(Vector2 endPoint, Vector2 controlPoint)
{
mBuilder.AddQuadraticBezier(controlPoint, endPoint);
}
/*public override object Clone()
{
SVGPath clone = new SVGPath();
clone._gp = (GraphicsPath)_gp.Clone();
clone._ID = _ID;
clone._strPath = (String)_strPath.Clone();
return clone;
}*/
private void parsePath(CanvasPathBuilder pb, String path)
{
char[] delimiter = { ' ' };
string[] commands = Regex.Split(path, _regex1);
string[] values = null;
float[] points = new float[7];
Vector2[] Vector2s = new Vector2[4];
Vector2 lastPoint = new Vector2(0, 0);
Vector2 lastControlPoint = new Vector2(0, 0);
//Vector2 firstPoint = new Vector2(0, 0);
//Vector2 firstPoint = new Vector2(0, 0);
try
{
for (int i = 0; i < commands.Length; i++)
{
String strCommand = commands[i];
char action = (strCommand != null && strCommand.Length > 0) ? strCommand[0] : ' ';
values = strCommand.Split(delimiter);
if (action == 'M')
{
points[0] = (float)Convert.ToDouble(values[0].Substring(1));
points[1] = -(float)Convert.ToDouble(values[1]);
lastPoint = new Vector2(points[0], points[1]);
//firstPoint = new Vector2(points[0], points[1]);
pb.BeginFigure(lastPoint);
}
else if (action == 'm')
{
points[0] = (float)Convert.ToDouble(values[0].Substring(1)) + lastPoint.X;
points[1] = -(float)Convert.ToDouble(values[1]) + lastPoint.Y;
pb.BeginFigure(points[0], points[1]);
lastPoint.X = points[0];
lastPoint.Y = points[1];
pb.BeginFigure(lastPoint);
}
else if (action == 'L')//capital letter is absolute location
{
points[0] = (float)Convert.ToDouble(values[0].Substring(1));
points[1] = -(float)Convert.ToDouble(values[1]);
pb.AddLine(points[0], points[1]);
lastPoint.X = points[0];
lastPoint.Y = points[1];
}
else if (action == 'l')//lowercase letter is relative location
{
points[0] = (float)Convert.ToDouble(values[0].Substring(1)) + lastPoint.X;
points[1] = -(float)Convert.ToDouble(values[1]) + lastPoint.Y;
pb.AddLine(points[0], points[1]);
lastPoint.X = points[0];
lastPoint.Y = points[1];
}
else if (action == 'H')
{
points[0] = (float)Convert.ToDouble(values[0].Substring(1));
pb.AddLine(points[0], lastPoint.Y);
lastPoint.X = points[0];
}
else if (action == 'h')
{
points[0] = (float)Convert.ToDouble(values[0].Substring(1)) + lastPoint.X;
pb.AddLine(points[0], lastPoint.Y);
lastPoint.X = points[0];
}
else if (action == 'V')
{
points[0] = -(float)Convert.ToDouble(values[0].Substring(1));
pb.AddLine(lastPoint.X, points[0]);
lastPoint.Y = points[0];
}
else if (action == 'v')
{
points[0] = -(float)Convert.ToDouble(values[0].Substring(1)) + lastPoint.Y;
pb.AddLine(lastPoint.X, points[0]);
lastPoint.Y = points[0];
}
else if (action == 'C')//cubic bezier, 2 control points
{
points[0] = (float)Convert.ToDouble(values[0].Substring(1));
points[1] = -(float)Convert.ToDouble(values[1]);
points[2] = (float)Convert.ToDouble(values[2]);
points[3] = -(float)Convert.ToDouble(values[3]);
points[4] = (float)Convert.ToDouble(values[4]);
points[5] = -(float)Convert.ToDouble(values[5]);
Vector2s[0] = lastPoint;
Vector2s[1] = new Vector2(points[0], points[1]);
Vector2s[2] = new Vector2(points[2], points[3]);
Vector2s[3] = new Vector2(points[4], points[5]);
//_gp.AddBezier(Vector2s[0], Vector2s[1], Vector2s[2], Vector2s[3]);
pb.AddCubicBezier(Vector2s[1], Vector2s[2], Vector2s[3]);
lastPoint = Vector2s[3];
lastControlPoint = Vector2s[2];
}
else if (action == 'c')
{
points[0] = (float)Convert.ToDouble(values[0].Substring(1)) + lastPoint.X;
points[1] = -(float)Convert.ToDouble(values[1]) + lastPoint.Y;
points[2] = (float)Convert.ToDouble(values[2]) + lastPoint.X;
points[3] = -(float)Convert.ToDouble(values[3]) + lastPoint.Y;
points[4] = (float)Convert.ToDouble(values[4]) + lastPoint.X;
points[5] = -(float)Convert.ToDouble(values[5]) + lastPoint.Y;
Vector2s[0] = lastPoint;
Vector2s[1] = new Vector2(points[0], points[1]);
Vector2s[2] = new Vector2(points[2], points[3]);
Vector2s[3] = new Vector2(points[4], points[5]);
//_gp.AddBezier(Vector2s[0], Vector2s[1], Vector2s[2], Vector2s[3]);
pb.AddCubicBezier(Vector2s[1], Vector2s[2], Vector2s[3]);
lastPoint = Vector2s[3];
lastControlPoint = Vector2s[2];
}
else if (action == 'S')
{
points[0] = (float)Convert.ToDouble(values[0].Substring(1));
points[1] = -(float)Convert.ToDouble(values[1]);
points[2] = (float)Convert.ToDouble(values[2]);
points[3] = -(float)Convert.ToDouble(values[3]);
Vector2s[0] = lastPoint;
Vector2s[1] = mirrorControlPoint(lastControlPoint, lastPoint);
Vector2s[2] = new Vector2(points[0], points[1]);
Vector2s[3] = new Vector2(points[2], points[3]);
//_gp.AddBezier(Vector2s[0], Vector2s[1], Vector2s[2], Vector2s[3]);
pb.AddCubicBezier(Vector2s[1], Vector2s[2], Vector2s[3]);
lastPoint = Vector2s[3];
lastControlPoint = Vector2s[2];
}
else if (action == 's')
{
points[0] = (float)Convert.ToDouble(values[0].Substring(1)) + lastPoint.X;
points[1] = -(float)Convert.ToDouble(values[1]) + lastPoint.Y;
points[2] = (float)Convert.ToDouble(values[2]) + lastPoint.X;
points[3] = -(float)Convert.ToDouble(values[3]) + lastPoint.Y;
Vector2s[0] = lastPoint;
Vector2s[1] = mirrorControlPoint(lastControlPoint, lastPoint);
Vector2s[2] = new Vector2(points[0], points[1]);
Vector2s[3] = new Vector2(points[2], points[3]);
//_gp.AddBezier(Vector2s[0], Vector2s[1], Vector2s[2], Vector2s[3]);
pb.AddCubicBezier(Vector2s[1], Vector2s[2], Vector2s[3]);
lastPoint = Vector2s[3];
lastControlPoint = Vector2s[2];
}
else if (action == 'Q')//quadratic bezier, 1 control point
{
points[0] = (float)Convert.ToDouble(values[0].Substring(1));
points[1] = -(float)Convert.ToDouble(values[1]);
points[2] = (float)Convert.ToDouble(values[2]);
points[3] = -(float)Convert.ToDouble(values[3]);
//convert quadratic to cubic bezier
Vector2 QP0 = lastPoint;
Vector2 QP1 = new Vector2(points[0], points[1]);
Vector2 QP2 = new Vector2(points[2], points[3]);
Vector2 CP0 = QP0;
Vector2 CP3 = QP2;
//old
//Vector2 CP1 = new Vector2((QP0.X + 2.0f * QP1.X) / 3.0f, (QP0.Y + 2.0f * QP1.Y) / 3.0f);
//Vector2 CP2 = new Vector2((QP2.X + 2.0f * QP1.X) / 3.0f, (QP2.Y + 2.0f * QP1.Y) / 3.0f);
//new
Vector2 CP1 = new Vector2(QP0.X + 2.0f / 3.0f * (QP1.X - QP0.X), QP0.Y + 2.0f / 3.0f * (QP1.Y - QP0.Y));
Vector2 CP2 = new Vector2(QP2.X + 2.0f / 3.0f * (QP1.X - QP2.X), QP2.Y + 2.0f / 3.0f * (QP1.Y - QP2.Y));
//_gp.AddBezier(CP0, CP1, CP2, CP3);
//pb.AddCubicBezier(CP1, CP2, QP2);
pb.AddQuadraticBezier(QP1, QP2);
lastPoint = QP2;
lastControlPoint = QP1;
}
else if (action == 'q')
{
points[0] = (float)Convert.ToDouble(values[0].Substring(1)) + lastPoint.X;
points[1] = -(float)Convert.ToDouble(values[1]) + lastPoint.Y;
points[2] = (float)Convert.ToDouble(values[2]) + lastPoint.X;
points[3] = -(float)Convert.ToDouble(values[3]) + lastPoint.Y;
//convert quadratic to cubic bezier
Vector2 QP0 = lastPoint;
Vector2 QP1 = new Vector2(points[0], points[1]);
Vector2 QP2 = new Vector2(points[2], points[3]);
Vector2 CP0 = QP0;
Vector2 CP3 = QP2;
//old
//Vector2 CP1 = new Vector2((QP0.X + 2.0f * QP1.X) / 3.0f, (QP0.Y + 2.0f * QP1.Y) / 3.0f);
//Vector2 CP2 = new Vector2((QP2.X + 2.0f * QP1.X) / 3.0f, (QP2.Y + 2.0f * QP1.Y) / 3.0f);
//new
//Vector2 CP1 = new Vector2(QP0.X + 2.0f / 3.0f * (QP1.X - QP0.X), QP0.Y + 2.0f / 3.0f * (QP1.Y - QP0.Y));
//Vector2 CP2 = new Vector2(QP2.X + 2.0f / 3.0f * (QP1.X - QP2.X), QP2.Y + 2.0f / 3.0f * (QP1.Y - QP2.Y));
//_gp.AddBezier(CP0, CP1, CP2, CP3);
//pb.AddCubicBezier(CP1, CP2, QP2);
pb.AddQuadraticBezier(QP1, QP2);
lastPoint = QP2;
lastControlPoint = QP1;
}
else if (action == 'T')
{
points[0] = (float)Convert.ToDouble(values[0].Substring(1));
points[1] = -(float)Convert.ToDouble(values[1]);
//convert quadratic to bezier
Vector2 QP0 = lastPoint;
Vector2 QP1 = mirrorControlPoint(lastControlPoint, QP0);
Vector2 QP2 = new Vector2(points[0], points[1]);
Vector2 CP0 = QP0;
Vector2 CP3 = QP2;
//Vector2 CP1 = new Vector2((QP0.X + 2.0f * QP1.X) / 3.0f, (QP0.Y + 2.0f * QP1.Y) / 3.0f);
//Vector2 CP2 = new Vector2((QP2.X + 2.0f * QP1.X) / 3.0f, (QP2.Y + 2.0f * QP1.Y) / 3.0f);
//Vector2 CP1 = new Vector2(QP0.X + 2.0f / 3.0f * (QP1.X - QP0.X), QP0.Y + 2.0f / 3.0f * (QP1.Y - QP0.Y));
//Vector2 CP2 = new Vector2(QP2.X + 2.0f / 3.0f * (QP1.X - QP2.X), QP2.Y + 2.0f / 3.0f * (QP1.Y - QP2.Y));
//_gp.AddBezier(CP0, CP1, CP2, CP3);
//pb.AddCubicBezier(CP1, CP2, QP2);
pb.AddQuadraticBezier(QP1, QP2);
lastPoint = QP2;
lastControlPoint = QP1;
}
else if (action == 't')
{
points[0] = (float)Convert.ToDouble(values[0].Substring(1)) + lastPoint.X;
points[1] = -(float)Convert.ToDouble(values[1]) + lastPoint.Y;
//convert quadratic to bezier
Vector2 QP0 = lastPoint;
Vector2 QP1 = mirrorControlPoint(lastControlPoint, QP0);
Vector2 QP2 = new Vector2(points[0], points[1]);
Vector2 CP0 = QP0;
Vector2 CP3 = QP2;
//Vector2 CP1 = new Vector2((QP0.X + 2.0f * QP1.X) / 3.0f, (QP0.Y + 2.0f * QP1.Y) / 3.0f);
//Vector2 CP2 = new Vector2((QP2.X + 2.0f * QP1.X) / 3.0f, (QP2.Y + 2.0f * QP1.Y) / 3.0f);
//Vector2 CP1 = new Vector2(QP0.X + 2.0f / 3.0f * (QP1.X - QP0.X), QP0.Y + 2.0f / 3.0f * (QP1.Y - QP0.Y));
//Vector2 CP2 = new Vector2(QP2.X + 2.0f / 3.0f * (QP1.X - QP2.X), QP2.Y + 2.0f / 3.0f * (QP1.Y - QP2.Y));
//_gp.AddBezier(CP0, CP1, CP2, CP3);
//pb.AddCubicBezier(CP1, CP2, QP2);
pb.AddQuadraticBezier(QP1, QP2);
lastPoint = QP2;
lastControlPoint = QP1;
}
else if (action == 'A')
{
points[0] = (float)Convert.ToDouble(values[0].Substring(1));//radiusX
points[1] = (float)Convert.ToDouble(values[1]);//radiusY
points[2] = (float)Convert.ToDouble(values[2]);//angle
points[3] = (float)Convert.ToDouble(values[3]);//size
points[4] = (float)Convert.ToDouble(values[4]);//sweep
points[5] = (float)Convert.ToDouble(values[5]);//endX
points[6] = -(float)Convert.ToDouble(values[6]);//endY
//SvgArcSize sas = points[3] == 0 ? SvgArcSize.Small : SvgArcSize.Large;
//SvgArcSweep sasw = points[4] == 0 ? SvgArcSweep.Negative : SvgArcSweep.Positive;
Vector2 endPoint = new Vector2(points[5], points[6]);
//SvgArcSegment arc = new SvgArcSegment(lastPoint, points[0], points[1], points[2], sas, sasw, endPoint);
//arc.AddToPath(_gp);
CanvasArcSize arcSize = CanvasArcSize.Large;//if size = 1, size is large. 0 for small
CanvasSweepDirection sweep = CanvasSweepDirection.Clockwise;//if sweep == 1, sweep is clockwise or positive
if(points[3]==0.0f)
arcSize = CanvasArcSize.Small;
if (points[4] == 0.0f)
sweep = CanvasSweepDirection.CounterClockwise;
pb.AddArc(new Vector2(points[5], points[6]), points[0], points[1], points[2], sweep, arcSize);
//AddArcToPath(_gp, lastPoint, points[0], points[1], points[2], (int)points[3], (int)points[4], endPoint);
lastPoint.X = points[5];
lastPoint.Y = points[6];
}
else if (action == 'a')
{
points[0] = (float)Convert.ToDouble(values[0].Substring(1));
points[1] = (float)Convert.ToDouble(values[1]);
points[2] = (float)Convert.ToDouble(values[2]);
points[3] = (float)Convert.ToDouble(values[3]);
points[4] = (float)Convert.ToDouble(values[4]);
points[5] = (float)Convert.ToDouble(values[5] + lastPoint.X);
points[6] = -(float)Convert.ToDouble(values[6] + lastPoint.Y);
//SvgArcSize sas = points[3] == 0 ? SvgArcSize.Small : SvgArcSize.Large;
//SvgArcSweep sasw = points[4] == 0 ? SvgArcSweep.Negative : SvgArcSweep.Positive;
Vector2 endPoint = new Vector2(points[5], points[6]);
//SvgArcSegment arc = new SvgArcSegment(lastPoint, points[0], points[1], points[2], sas, sasw, endPoint);
//arc.AddToPath(_gp);
CanvasArcSize arcSize = CanvasArcSize.Large;//if size = 1, size is large. 0 for small
CanvasSweepDirection sweep = CanvasSweepDirection.Clockwise;//if sweep == 1, sweep is clockwise or positive
if (points[3] == 0.0f)
arcSize = CanvasArcSize.Small;
if (points[4] == 0.0f)
sweep = CanvasSweepDirection.CounterClockwise;
pb.AddArc(new Vector2(points[5], points[6]), points[0], points[1], points[2], sweep, arcSize);
//AddArcToPath(_gp, lastPoint, points[0], points[1], points[2], (int)points[3], (int)points[4], endPoint);
lastPoint.X = points[5];
lastPoint.Y = points[6];
}
else if (action == 'Z' || action == 'z')
{
pb.EndFigure(CanvasFigureLoop.Closed);
}
}
_cg = CanvasGeometry.CreatePath(pb);
}
catch (Exception exc)
{
Debug.WriteLine(exc.Message);
Debug.WriteLine(exc.StackTrace);
ErrorLogger.LogException("SVGPath", "parsePath", exc);
}
}
public static CanvasGeometry AsPath(this PathF path, float ox, float oy, float fx, float fy, ICanvasResourceCreator creator, CanvasFilledRegionDetermination fillMode = CanvasFilledRegionDetermination.Winding)
{
var builder = new CanvasPathBuilder(creator);
#if DEBUG
try
{
#endif
builder.SetFilledRegionDetermination(fillMode);
var pointIndex = 0;
var arcAngleIndex = 0;
var arcClockwiseIndex = 0;
var figureOpen = false;
var segmentIndex = -1;
var lastOperation = PathOperation.Move;
foreach (var type in path.SegmentTypes)
{
segmentIndex++;
if (type == PathOperation.Move)
{
if (lastOperation != PathOperation.Close && lastOperation != PathOperation.Move)
{
builder.EndFigure(CanvasFigureLoop.Open);
}
var point = path[pointIndex++];
var begin = CanvasFigureFill.Default;
builder.BeginFigure(ox + point.X * fx, oy + point.Y * fy, begin);
figureOpen = true;
}
else if (type == PathOperation.Line)
{
var point = path[pointIndex++];
builder.AddLine(ox + point.X * fx, oy + point.Y * fy);
}
else if (type == PathOperation.Quad)
{
var controlPoint = path[pointIndex++];
var endPoint = path[pointIndex++];
builder.AddQuadraticBezier(
new Vector2(ox + controlPoint.X * fx, oy + controlPoint.Y * fy),
new Vector2(ox + endPoint.X * fx, oy + endPoint.Y * fy));
}
else if (type == PathOperation.Cubic)
{
var controlPoint1 = path[pointIndex++];
var controlPoint2 = path[pointIndex++];
var endPoint = path[pointIndex++];
builder.AddCubicBezier(
new Vector2(ox + controlPoint1.X * fx, oy + controlPoint1.Y * fy),
new Vector2(ox + controlPoint2.X * fx, oy + controlPoint2.Y * fy),
new Vector2(ox + endPoint.X * fx, oy + endPoint.Y * fy));
}
else if (type == PathOperation.Arc)
{
var topLeft = path[pointIndex++];
var bottomRight = path[pointIndex++];
var startAngle = path.GetArcAngle(arcAngleIndex++);
var endAngle = path.GetArcAngle(arcAngleIndex++);
var clockwise = path.GetArcClockwise(arcClockwiseIndex++);
while (startAngle < 0)
{
startAngle += 360;
}
while (endAngle < 0)
{
endAngle += 360;
}
var rotation = Geometry.GetSweep(startAngle, endAngle, clockwise);
var absRotation = Math.Abs(rotation);
var rectX = ox + topLeft.X * fx;
var rectY = oy + topLeft.Y * fy;
var rectWidth = (ox + bottomRight.X * fx) - rectX;
var rectHeight = (oy + bottomRight.Y * fy) - rectY;
var startPoint = Geometry.EllipseAngleToPoint(rectX, rectY, rectWidth, rectHeight, -startAngle);
var endPoint = Geometry.EllipseAngleToPoint(rectX, rectY, rectWidth, rectHeight, -endAngle);
if (!figureOpen)
{
var begin = CanvasFigureFill.Default;
builder.BeginFigure(startPoint.X, startPoint.Y, begin);
figureOpen = true;
}
else
{
builder.AddLine(startPoint.X, startPoint.Y);
}
builder.AddArc(
new Vector2(endPoint.X, endPoint.Y),
rectWidth / 2,
rectHeight / 2,
0,
clockwise ? CanvasSweepDirection.Clockwise : CanvasSweepDirection.CounterClockwise,
absRotation >= 180 ? CanvasArcSize.Large : CanvasArcSize.Small
);
}
else if (type == PathOperation.Close)
{
builder.EndFigure(CanvasFigureLoop.Closed);
}
lastOperation = type;
}
if (segmentIndex >= 0 && lastOperation != PathOperation.Close)
{
builder.EndFigure(CanvasFigureLoop.Open);
}
var geometry = CanvasGeometry.CreatePath(builder);
return(geometry);
#if DEBUG
}
catch (Exception exc)
{
builder.Dispose();
var definition = path.ToDefinitionString();
Logger.Debug(string.Format("Unable to convert the path to a Win2D Path: {0}", definition), exc);
return(null);
}
#endif
}
public void VerifySendPathTo()
{
//
// This calls each of the path functions, once, and verfies that it works.
// Sink behavior is verified in more detail in the geometry unit tests.
//
CanvasDevice device = new CanvasDevice();
CanvasPathBuilder pathBuilder = new CanvasPathBuilder(device);
pathBuilder.SetFilledRegionDetermination(CanvasFilledRegionDetermination.Alternate);
pathBuilder.BeginFigure(0, 0);
pathBuilder.AddLine(0, 0);
pathBuilder.AddQuadraticBezier(new Vector2(), new Vector2());
pathBuilder.AddCubicBezier(new Vector2(), new Vector2(), new Vector2());
// D2D tries to be smart about degenerate arcs and redundant set segment options, and may sometimes actually
// surpress them. Therefore, these calls use non-defaults.
pathBuilder.AddArc(new Vector2 { X = 100, Y = 100 }, 10, 10, 90, CanvasSweepDirection.Clockwise, CanvasArcSize.Small);
pathBuilder.SetSegmentOptions(CanvasFigureSegmentOptions.ForceUnstroked);
pathBuilder.EndFigure(CanvasFigureLoop.Closed);
CanvasGeometry pathGeometry = CanvasGeometry.CreatePath(pathBuilder);
MyGeometryStreamReader myStreamReader = new MyGeometryStreamReader();
pathGeometry.SendPathTo(myStreamReader);
myStreamReader.Verify();
}
/*public override object Clone()
* {
* SVGPath clone = new SVGPath();
* clone._gp = (GraphicsPath)_gp.Clone();
* clone._ID = _ID;
* clone._strPath = (String)_strPath.Clone();
* return clone;
* }*/
private void parsePath(CanvasPathBuilder pb, String path)
{
char[] delimiter = { ' ' };
string[] commands = Regex.Split(path, _regex1);
string[] values = null;
float[] points = new float[7];
Vector2[] Vector2s = new Vector2[4];
Vector2 lastPoint = new Vector2(0, 0);
Vector2 lastControlPoint = new Vector2(0, 0);
//Vector2 firstPoint = new Vector2(0, 0);
//Vector2 firstPoint = new Vector2(0, 0);
try
{
for (int i = 0; i < commands.Length; i++)
{
String strCommand = commands[i];
char action = (strCommand != null && strCommand.Length > 0) ? strCommand[0] : ' ';
values = strCommand.Split(delimiter);
if (action == 'M')
{
points[0] = (float)Convert.ToDouble(values[0].Substring(1));
points[1] = -(float)Convert.ToDouble(values[1]);
lastPoint = new Vector2(points[0], points[1]);
//firstPoint = new Vector2(points[0], points[1]);
pb.BeginFigure(lastPoint);
}
else if (action == 'm')
{
points[0] = (float)Convert.ToDouble(values[0].Substring(1)) + lastPoint.X;
points[1] = -(float)Convert.ToDouble(values[1]) + lastPoint.Y;
pb.BeginFigure(points[0], points[1]);
lastPoint.X = points[0];
lastPoint.Y = points[1];
pb.BeginFigure(lastPoint);
}
else if (action == 'L')//capital letter is absolute location
{
points[0] = (float)Convert.ToDouble(values[0].Substring(1));
points[1] = -(float)Convert.ToDouble(values[1]);
pb.AddLine(points[0], points[1]);
lastPoint.X = points[0];
lastPoint.Y = points[1];
}
else if (action == 'l')//lowercase letter is relative location
{
points[0] = (float)Convert.ToDouble(values[0].Substring(1)) + lastPoint.X;
points[1] = -(float)Convert.ToDouble(values[1]) + lastPoint.Y;
pb.AddLine(points[0], points[1]);
lastPoint.X = points[0];
lastPoint.Y = points[1];
}
else if (action == 'H')
{
points[0] = (float)Convert.ToDouble(values[0].Substring(1));
pb.AddLine(points[0], lastPoint.Y);
lastPoint.X = points[0];
}
else if (action == 'h')
{
points[0] = (float)Convert.ToDouble(values[0].Substring(1)) + lastPoint.X;
pb.AddLine(points[0], lastPoint.Y);
lastPoint.X = points[0];
}
else if (action == 'V')
{
points[0] = -(float)Convert.ToDouble(values[0].Substring(1));
pb.AddLine(lastPoint.X, points[0]);
lastPoint.Y = points[0];
}
else if (action == 'v')
{
points[0] = -(float)Convert.ToDouble(values[0].Substring(1)) + lastPoint.Y;
pb.AddLine(lastPoint.X, points[0]);
lastPoint.Y = points[0];
}
else if (action == 'C')//cubic bezier, 2 control points
{
points[0] = (float)Convert.ToDouble(values[0].Substring(1));
points[1] = -(float)Convert.ToDouble(values[1]);
points[2] = (float)Convert.ToDouble(values[2]);
points[3] = -(float)Convert.ToDouble(values[3]);
points[4] = (float)Convert.ToDouble(values[4]);
points[5] = -(float)Convert.ToDouble(values[5]);
Vector2s[0] = lastPoint;
Vector2s[1] = new Vector2(points[0], points[1]);
Vector2s[2] = new Vector2(points[2], points[3]);
Vector2s[3] = new Vector2(points[4], points[5]);
//_gp.AddBezier(Vector2s[0], Vector2s[1], Vector2s[2], Vector2s[3]);
pb.AddCubicBezier(Vector2s[1], Vector2s[2], Vector2s[3]);
lastPoint = Vector2s[3];
lastControlPoint = Vector2s[2];
}
else if (action == 'c')
{
points[0] = (float)Convert.ToDouble(values[0].Substring(1)) + lastPoint.X;
points[1] = -(float)Convert.ToDouble(values[1]) + lastPoint.Y;
points[2] = (float)Convert.ToDouble(values[2]) + lastPoint.X;
points[3] = -(float)Convert.ToDouble(values[3]) + lastPoint.Y;
points[4] = (float)Convert.ToDouble(values[4]) + lastPoint.X;
points[5] = -(float)Convert.ToDouble(values[5]) + lastPoint.Y;
Vector2s[0] = lastPoint;
Vector2s[1] = new Vector2(points[0], points[1]);
Vector2s[2] = new Vector2(points[2], points[3]);
Vector2s[3] = new Vector2(points[4], points[5]);
//_gp.AddBezier(Vector2s[0], Vector2s[1], Vector2s[2], Vector2s[3]);
pb.AddCubicBezier(Vector2s[1], Vector2s[2], Vector2s[3]);
lastPoint = Vector2s[3];
lastControlPoint = Vector2s[2];
}
else if (action == 'S')
{
points[0] = (float)Convert.ToDouble(values[0].Substring(1));
points[1] = -(float)Convert.ToDouble(values[1]);
points[2] = (float)Convert.ToDouble(values[2]);
points[3] = -(float)Convert.ToDouble(values[3]);
Vector2s[0] = lastPoint;
Vector2s[1] = mirrorControlPoint(lastControlPoint, lastPoint);
Vector2s[2] = new Vector2(points[0], points[1]);
Vector2s[3] = new Vector2(points[2], points[3]);
//_gp.AddBezier(Vector2s[0], Vector2s[1], Vector2s[2], Vector2s[3]);
pb.AddCubicBezier(Vector2s[1], Vector2s[2], Vector2s[3]);
lastPoint = Vector2s[3];
lastControlPoint = Vector2s[2];
}
else if (action == 's')
{
points[0] = (float)Convert.ToDouble(values[0].Substring(1)) + lastPoint.X;
points[1] = -(float)Convert.ToDouble(values[1]) + lastPoint.Y;
points[2] = (float)Convert.ToDouble(values[2]) + lastPoint.X;
points[3] = -(float)Convert.ToDouble(values[3]) + lastPoint.Y;
Vector2s[0] = lastPoint;
Vector2s[1] = mirrorControlPoint(lastControlPoint, lastPoint);
Vector2s[2] = new Vector2(points[0], points[1]);
Vector2s[3] = new Vector2(points[2], points[3]);
//_gp.AddBezier(Vector2s[0], Vector2s[1], Vector2s[2], Vector2s[3]);
pb.AddCubicBezier(Vector2s[1], Vector2s[2], Vector2s[3]);
lastPoint = Vector2s[3];
lastControlPoint = Vector2s[2];
}
else if (action == 'Q')//quadratic bezier, 1 control point
{
points[0] = (float)Convert.ToDouble(values[0].Substring(1));
points[1] = -(float)Convert.ToDouble(values[1]);
points[2] = (float)Convert.ToDouble(values[2]);
points[3] = -(float)Convert.ToDouble(values[3]);
//convert quadratic to cubic bezier
Vector2 QP0 = lastPoint;
Vector2 QP1 = new Vector2(points[0], points[1]);
Vector2 QP2 = new Vector2(points[2], points[3]);
Vector2 CP0 = QP0;
Vector2 CP3 = QP2;
//old
//Vector2 CP1 = new Vector2((QP0.X + 2.0f * QP1.X) / 3.0f, (QP0.Y + 2.0f * QP1.Y) / 3.0f);
//Vector2 CP2 = new Vector2((QP2.X + 2.0f * QP1.X) / 3.0f, (QP2.Y + 2.0f * QP1.Y) / 3.0f);
//new
Vector2 CP1 = new Vector2(QP0.X + 2.0f / 3.0f * (QP1.X - QP0.X), QP0.Y + 2.0f / 3.0f * (QP1.Y - QP0.Y));
Vector2 CP2 = new Vector2(QP2.X + 2.0f / 3.0f * (QP1.X - QP2.X), QP2.Y + 2.0f / 3.0f * (QP1.Y - QP2.Y));
//_gp.AddBezier(CP0, CP1, CP2, CP3);
//pb.AddCubicBezier(CP1, CP2, QP2);
pb.AddQuadraticBezier(QP1, QP2);
lastPoint = QP2;
lastControlPoint = QP1;
}
else if (action == 'q')
{
points[0] = (float)Convert.ToDouble(values[0].Substring(1)) + lastPoint.X;
points[1] = -(float)Convert.ToDouble(values[1]) + lastPoint.Y;
points[2] = (float)Convert.ToDouble(values[2]) + lastPoint.X;
points[3] = -(float)Convert.ToDouble(values[3]) + lastPoint.Y;
//convert quadratic to cubic bezier
Vector2 QP0 = lastPoint;
Vector2 QP1 = new Vector2(points[0], points[1]);
Vector2 QP2 = new Vector2(points[2], points[3]);
Vector2 CP0 = QP0;
Vector2 CP3 = QP2;
//old
//Vector2 CP1 = new Vector2((QP0.X + 2.0f * QP1.X) / 3.0f, (QP0.Y + 2.0f * QP1.Y) / 3.0f);
//Vector2 CP2 = new Vector2((QP2.X + 2.0f * QP1.X) / 3.0f, (QP2.Y + 2.0f * QP1.Y) / 3.0f);
//new
//Vector2 CP1 = new Vector2(QP0.X + 2.0f / 3.0f * (QP1.X - QP0.X), QP0.Y + 2.0f / 3.0f * (QP1.Y - QP0.Y));
//Vector2 CP2 = new Vector2(QP2.X + 2.0f / 3.0f * (QP1.X - QP2.X), QP2.Y + 2.0f / 3.0f * (QP1.Y - QP2.Y));
//_gp.AddBezier(CP0, CP1, CP2, CP3);
//pb.AddCubicBezier(CP1, CP2, QP2);
pb.AddQuadraticBezier(QP1, QP2);
lastPoint = QP2;
lastControlPoint = QP1;
}
else if (action == 'T')
{
points[0] = (float)Convert.ToDouble(values[0].Substring(1));
points[1] = -(float)Convert.ToDouble(values[1]);
//convert quadratic to bezier
Vector2 QP0 = lastPoint;
Vector2 QP1 = mirrorControlPoint(lastControlPoint, QP0);
Vector2 QP2 = new Vector2(points[0], points[1]);
Vector2 CP0 = QP0;
Vector2 CP3 = QP2;
//Vector2 CP1 = new Vector2((QP0.X + 2.0f * QP1.X) / 3.0f, (QP0.Y + 2.0f * QP1.Y) / 3.0f);
//Vector2 CP2 = new Vector2((QP2.X + 2.0f * QP1.X) / 3.0f, (QP2.Y + 2.0f * QP1.Y) / 3.0f);
//Vector2 CP1 = new Vector2(QP0.X + 2.0f / 3.0f * (QP1.X - QP0.X), QP0.Y + 2.0f / 3.0f * (QP1.Y - QP0.Y));
//Vector2 CP2 = new Vector2(QP2.X + 2.0f / 3.0f * (QP1.X - QP2.X), QP2.Y + 2.0f / 3.0f * (QP1.Y - QP2.Y));
//_gp.AddBezier(CP0, CP1, CP2, CP3);
//pb.AddCubicBezier(CP1, CP2, QP2);
pb.AddQuadraticBezier(QP1, QP2);
lastPoint = QP2;
lastControlPoint = QP1;
}
else if (action == 't')
{
points[0] = (float)Convert.ToDouble(values[0].Substring(1)) + lastPoint.X;
points[1] = -(float)Convert.ToDouble(values[1]) + lastPoint.Y;
//convert quadratic to bezier
Vector2 QP0 = lastPoint;
Vector2 QP1 = mirrorControlPoint(lastControlPoint, QP0);
Vector2 QP2 = new Vector2(points[0], points[1]);
Vector2 CP0 = QP0;
Vector2 CP3 = QP2;
//Vector2 CP1 = new Vector2((QP0.X + 2.0f * QP1.X) / 3.0f, (QP0.Y + 2.0f * QP1.Y) / 3.0f);
//Vector2 CP2 = new Vector2((QP2.X + 2.0f * QP1.X) / 3.0f, (QP2.Y + 2.0f * QP1.Y) / 3.0f);
//Vector2 CP1 = new Vector2(QP0.X + 2.0f / 3.0f * (QP1.X - QP0.X), QP0.Y + 2.0f / 3.0f * (QP1.Y - QP0.Y));
//Vector2 CP2 = new Vector2(QP2.X + 2.0f / 3.0f * (QP1.X - QP2.X), QP2.Y + 2.0f / 3.0f * (QP1.Y - QP2.Y));
//_gp.AddBezier(CP0, CP1, CP2, CP3);
//pb.AddCubicBezier(CP1, CP2, QP2);
pb.AddQuadraticBezier(QP1, QP2);
lastPoint = QP2;
lastControlPoint = QP1;
}
else if (action == 'A')
{
points[0] = (float)Convert.ToDouble(values[0].Substring(1)); //radiusX
points[1] = (float)Convert.ToDouble(values[1]); //radiusY
points[2] = (float)Convert.ToDouble(values[2]); //angle
points[3] = (float)Convert.ToDouble(values[3]); //size
points[4] = (float)Convert.ToDouble(values[4]); //sweep
points[5] = (float)Convert.ToDouble(values[5]); //endX
points[6] = -(float)Convert.ToDouble(values[6]); //endY
//SvgArcSize sas = points[3] == 0 ? SvgArcSize.Small : SvgArcSize.Large;
//SvgArcSweep sasw = points[4] == 0 ? SvgArcSweep.Negative : SvgArcSweep.Positive;
Vector2 endPoint = new Vector2(points[5], points[6]);
//SvgArcSegment arc = new SvgArcSegment(lastPoint, points[0], points[1], points[2], sas, sasw, endPoint);
//arc.AddToPath(_gp);
CanvasArcSize arcSize = CanvasArcSize.Large; //if size = 1, size is large. 0 for small
CanvasSweepDirection sweep = CanvasSweepDirection.Clockwise; //if sweep == 1, sweep is clockwise or positive
if (points[3] == 0.0f)
{
arcSize = CanvasArcSize.Small;
}
if (points[4] == 0.0f)
{
sweep = CanvasSweepDirection.CounterClockwise;
}
pb.AddArc(new Vector2(points[5], points[6]), points[0], points[1], points[2], sweep, arcSize);
//AddArcToPath(_gp, lastPoint, points[0], points[1], points[2], (int)points[3], (int)points[4], endPoint);
lastPoint.X = points[5];
lastPoint.Y = points[6];
}
else if (action == 'a')
{
points[0] = (float)Convert.ToDouble(values[0].Substring(1));
points[1] = (float)Convert.ToDouble(values[1]);
points[2] = (float)Convert.ToDouble(values[2]);
points[3] = (float)Convert.ToDouble(values[3]);
points[4] = (float)Convert.ToDouble(values[4]);
points[5] = (float)Convert.ToDouble(values[5] + lastPoint.X);
points[6] = -(float)Convert.ToDouble(values[6] + lastPoint.Y);
//SvgArcSize sas = points[3] == 0 ? SvgArcSize.Small : SvgArcSize.Large;
//SvgArcSweep sasw = points[4] == 0 ? SvgArcSweep.Negative : SvgArcSweep.Positive;
Vector2 endPoint = new Vector2(points[5], points[6]);
//SvgArcSegment arc = new SvgArcSegment(lastPoint, points[0], points[1], points[2], sas, sasw, endPoint);
//arc.AddToPath(_gp);
CanvasArcSize arcSize = CanvasArcSize.Large; //if size = 1, size is large. 0 for small
CanvasSweepDirection sweep = CanvasSweepDirection.Clockwise; //if sweep == 1, sweep is clockwise or positive
if (points[3] == 0.0f)
{
arcSize = CanvasArcSize.Small;
}
if (points[4] == 0.0f)
{
sweep = CanvasSweepDirection.CounterClockwise;
}
pb.AddArc(new Vector2(points[5], points[6]), points[0], points[1], points[2], sweep, arcSize);
//AddArcToPath(_gp, lastPoint, points[0], points[1], points[2], (int)points[3], (int)points[4], endPoint);
lastPoint.X = points[5];
lastPoint.Y = points[6];
}
else if (action == 'Z' || action == 'z')
{
pb.EndFigure(CanvasFigureLoop.Closed);
}
}
_cg = CanvasGeometry.CreatePath(pb);
}
catch (Exception exc)
{
Debug.WriteLine(exc.Message);
Debug.WriteLine(exc.StackTrace);
ErrorLogger.LogException("SVGPath", "parsePath", exc);
}
}
public static CanvasGeometry ToCanvasGeometry(this XPathGeometry pg, CanvasDrawingSession ds)
{
CanvasGeometry g;
using (var builder = new CanvasPathBuilder(ds))
{
if (pg.FillRule == XFillRule.EvenOdd)
builder.SetFilledRegionDetermination(CanvasFilledRegionDetermination.Alternate);
else
builder.SetFilledRegionDetermination(CanvasFilledRegionDetermination.Winding);
foreach (var pf in pg.Figures)
{
builder.BeginFigure(
(float)pf.StartPoint.X,
(float)pf.StartPoint.Y,
pf.IsFilled ? CanvasFigureFill.Default : CanvasFigureFill.DoesNotAffectFills);
foreach (var segment in pf.Segments)
{
var options = CanvasFigureSegmentOptions.None;
if (!segment.IsStroked)
options |= CanvasFigureSegmentOptions.ForceUnstroked;
if (segment.IsSmoothJoin)
options |= CanvasFigureSegmentOptions.ForceRoundLineJoin;
builder.SetSegmentOptions(options);
if (segment is XArcSegment)
{
var arcSegment = segment as XArcSegment;
builder.AddArc(
new N.Vector2(
(float)arcSegment.Point.X,
(float)arcSegment.Point.Y),
(float)(arcSegment.Size.Width / 2.0),
(float)(arcSegment.Size.Height / 2.0),
(float)arcSegment.RotationAngle,
arcSegment.SweepDirection == XSweepDirection.Clockwise ? CanvasSweepDirection.Clockwise : CanvasSweepDirection.CounterClockwise,
arcSegment.IsLargeArc ? CanvasArcSize.Large : CanvasArcSize.Small);
}
else if (segment is XBezierSegment)
{
var bezierSegment = segment as XBezierSegment;
builder.AddCubicBezier(
new N.Vector2(
(float)bezierSegment.Point1.X,
(float)bezierSegment.Point1.Y),
new N.Vector2(
(float)bezierSegment.Point2.X,
(float)bezierSegment.Point2.Y),
new N.Vector2(
(float)bezierSegment.Point3.X,
(float)bezierSegment.Point3.Y));
}
else if (segment is XLineSegment)
{
var lineSegment = segment as XLineSegment;
builder.AddLine(
new N.Vector2(
(float)lineSegment.Point.X,
(float)lineSegment.Point.Y));
}
else if (segment is XPolyBezierSegment)
{
var polyBezierSegment = segment as XPolyBezierSegment;
if (polyBezierSegment.Points.Count >= 3)
{
builder.AddCubicBezier(
new N.Vector2(
(float)polyBezierSegment.Points[0].X,
(float)polyBezierSegment.Points[0].Y),
new N.Vector2(
(float)polyBezierSegment.Points[1].X,
(float)polyBezierSegment.Points[1].Y),
new N.Vector2(
(float)polyBezierSegment.Points[2].X,
(float)polyBezierSegment.Points[2].Y));
}
if (polyBezierSegment.Points.Count > 3
&& polyBezierSegment.Points.Count % 3 == 0)
{
for (int i = 3; i < polyBezierSegment.Points.Count; i += 3)
{
builder.AddCubicBezier(
new N.Vector2(
(float)polyBezierSegment.Points[i].X,
(float)polyBezierSegment.Points[i].Y),
new N.Vector2(
(float)polyBezierSegment.Points[i + 1].X,
(float)polyBezierSegment.Points[i + 1].Y),
new N.Vector2(
(float)polyBezierSegment.Points[i + 2].X,
(float)polyBezierSegment.Points[i + 2].Y));
}
}
}
else if (segment is XPolyLineSegment)
{
var polyLineSegment = segment as XPolyLineSegment;
if (polyLineSegment.Points.Count >= 1)
{
builder.AddLine(
new N.Vector2(
(float)polyLineSegment.Points[0].X,
(float)polyLineSegment.Points[0].Y));
}
if (polyLineSegment.Points.Count > 1)
{
for (int i = 1; i < polyLineSegment.Points.Count; i++)
{
builder.AddLine(
new N.Vector2(
(float)polyLineSegment.Points[i].X,
(float)polyLineSegment.Points[i].Y));
}
}
}
else if (segment is XPolyQuadraticBezierSegment)
{
var polyQuadraticSegment = segment as XPolyQuadraticBezierSegment;
if (polyQuadraticSegment.Points.Count >= 2)
{
builder.AddQuadraticBezier(
new N.Vector2(
(float)polyQuadraticSegment.Points[0].X,
(float)polyQuadraticSegment.Points[0].Y),
new N.Vector2(
(float)polyQuadraticSegment.Points[1].X,
(float)polyQuadraticSegment.Points[1].Y));
}
if (polyQuadraticSegment.Points.Count > 2
&& polyQuadraticSegment.Points.Count % 2 == 0)
{
for (int i = 3; i < polyQuadraticSegment.Points.Count; i += 3)
{
builder.AddQuadraticBezier(
new N.Vector2(
(float)polyQuadraticSegment.Points[i].X,
(float)polyQuadraticSegment.Points[i].Y),
new N.Vector2(
(float)polyQuadraticSegment.Points[i + 1].X,
(float)polyQuadraticSegment.Points[i + 1].Y));
}
}
}
else if (segment is XQuadraticBezierSegment)
{
var qbezierSegment = segment as XQuadraticBezierSegment;
builder.AddQuadraticBezier(
new N.Vector2(
(float)qbezierSegment.Point1.X,
(float)qbezierSegment.Point1.Y),
new N.Vector2(
(float)qbezierSegment.Point2.X,
(float)qbezierSegment.Point2.Y));
}
else
{
throw new NotSupportedException("Not supported segment type: " + segment.GetType());
}
}
builder.EndFigure(pf.IsClosed ? CanvasFigureLoop.Closed : CanvasFigureLoop.Open);
}
g = CanvasGeometry.CreatePath(builder);
}
return g;
}
public void Draw(object ds, XQBezier qbezier, double dx, double dy, ImmutableArray<ShapeProperty> db, Record r)
{
var _ds = ds as CanvasDrawingSession;
double thickness = qbezier.Style.Thickness / _state.Zoom;
var brush = ToColor(qbezier.Style.Fill);
var pen = ToColor(qbezier.Style.Stroke);
var ss = CreateStrokeStyle(qbezier.Style);
CanvasGeometry g;
using (var builder = new CanvasPathBuilder(_ds))
{
builder.BeginFigure((float)qbezier.Point1.X, (float)qbezier.Point1.Y);
builder.AddQuadraticBezier(
new N.Vector2(
(float)qbezier.Point2.X,
(float)qbezier.Point2.Y),
new N.Vector2(
(float)qbezier.Point3.X,
(float)qbezier.Point3.Y));
builder.EndFigure(CanvasFigureLoop.Open);
g = CanvasGeometry.CreatePath(builder);
}
if (qbezier.IsFilled)
{
_ds.FillGeometry(g, brush);
}
if (qbezier.IsStroked)
{
_ds.DrawGeometry(g, pen, (float)thickness, ss);
}
g.Dispose();
ss.Dispose();
}
public static CanvasGeometry ToCanvasGeometry(this XPathGeometry pg, CanvasDrawingSession ds)
{
CanvasGeometry g;
using (var builder = new CanvasPathBuilder(ds))
{
if (pg.FillRule == XFillRule.EvenOdd)
{
builder.SetFilledRegionDetermination(CanvasFilledRegionDetermination.Alternate);
}
else
{
builder.SetFilledRegionDetermination(CanvasFilledRegionDetermination.Winding);
}
foreach (var pf in pg.Figures)
{
builder.BeginFigure(
(float)pf.StartPoint.X,
(float)pf.StartPoint.Y,
pf.IsFilled ? CanvasFigureFill.Default : CanvasFigureFill.DoesNotAffectFills);
foreach (var segment in pf.Segments)
{
var options = CanvasFigureSegmentOptions.None;
if (!segment.IsStroked)
{
options |= CanvasFigureSegmentOptions.ForceUnstroked;
}
if (segment.IsSmoothJoin)
{
options |= CanvasFigureSegmentOptions.ForceRoundLineJoin;
}
builder.SetSegmentOptions(options);
if (segment is XArcSegment)
{
var arcSegment = segment as XArcSegment;
builder.AddArc(
new N.Vector2(
(float)arcSegment.Point.X,
(float)arcSegment.Point.Y),
(float)(arcSegment.Size.Width / 2.0),
(float)(arcSegment.Size.Height / 2.0),
(float)arcSegment.RotationAngle,
arcSegment.SweepDirection == XSweepDirection.Clockwise ? CanvasSweepDirection.Clockwise : CanvasSweepDirection.CounterClockwise,
arcSegment.IsLargeArc ? CanvasArcSize.Large : CanvasArcSize.Small);
}
else if (segment is XBezierSegment)
{
var bezierSegment = segment as XBezierSegment;
builder.AddCubicBezier(
new N.Vector2(
(float)bezierSegment.Point1.X,
(float)bezierSegment.Point1.Y),
new N.Vector2(
(float)bezierSegment.Point2.X,
(float)bezierSegment.Point2.Y),
new N.Vector2(
(float)bezierSegment.Point3.X,
(float)bezierSegment.Point3.Y));
}
else if (segment is XLineSegment)
{
var lineSegment = segment as XLineSegment;
builder.AddLine(
new N.Vector2(
(float)lineSegment.Point.X,
(float)lineSegment.Point.Y));
}
else if (segment is XPolyBezierSegment)
{
var polyBezierSegment = segment as XPolyBezierSegment;
if (polyBezierSegment.Points.Count >= 3)
{
builder.AddCubicBezier(
new N.Vector2(
(float)polyBezierSegment.Points[0].X,
(float)polyBezierSegment.Points[0].Y),
new N.Vector2(
(float)polyBezierSegment.Points[1].X,
(float)polyBezierSegment.Points[1].Y),
new N.Vector2(
(float)polyBezierSegment.Points[2].X,
(float)polyBezierSegment.Points[2].Y));
}
if (polyBezierSegment.Points.Count > 3 &&
polyBezierSegment.Points.Count % 3 == 0)
{
for (int i = 3; i < polyBezierSegment.Points.Count; i += 3)
{
builder.AddCubicBezier(
new N.Vector2(
(float)polyBezierSegment.Points[i].X,
(float)polyBezierSegment.Points[i].Y),
new N.Vector2(
(float)polyBezierSegment.Points[i + 1].X,
(float)polyBezierSegment.Points[i + 1].Y),
new N.Vector2(
(float)polyBezierSegment.Points[i + 2].X,
(float)polyBezierSegment.Points[i + 2].Y));
}
}
}
else if (segment is XPolyLineSegment)
{
var polyLineSegment = segment as XPolyLineSegment;
if (polyLineSegment.Points.Count >= 1)
{
builder.AddLine(
new N.Vector2(
(float)polyLineSegment.Points[0].X,
(float)polyLineSegment.Points[0].Y));
}
if (polyLineSegment.Points.Count > 1)
{
for (int i = 1; i < polyLineSegment.Points.Count; i++)
{
builder.AddLine(
new N.Vector2(
(float)polyLineSegment.Points[i].X,
(float)polyLineSegment.Points[i].Y));
}
}
}
else if (segment is XPolyQuadraticBezierSegment)
{
var polyQuadraticSegment = segment as XPolyQuadraticBezierSegment;
if (polyQuadraticSegment.Points.Count >= 2)
{
builder.AddQuadraticBezier(
new N.Vector2(
(float)polyQuadraticSegment.Points[0].X,
(float)polyQuadraticSegment.Points[0].Y),
new N.Vector2(
(float)polyQuadraticSegment.Points[1].X,
(float)polyQuadraticSegment.Points[1].Y));
}
if (polyQuadraticSegment.Points.Count > 2 &&
polyQuadraticSegment.Points.Count % 2 == 0)
{
for (int i = 3; i < polyQuadraticSegment.Points.Count; i += 3)
{
builder.AddQuadraticBezier(
new N.Vector2(
(float)polyQuadraticSegment.Points[i].X,
(float)polyQuadraticSegment.Points[i].Y),
new N.Vector2(
(float)polyQuadraticSegment.Points[i + 1].X,
(float)polyQuadraticSegment.Points[i + 1].Y));
}
}
}
else if (segment is XQuadraticBezierSegment)
{
var qbezierSegment = segment as XQuadraticBezierSegment;
builder.AddQuadraticBezier(
new N.Vector2(
(float)qbezierSegment.Point1.X,
(float)qbezierSegment.Point1.Y),
new N.Vector2(
(float)qbezierSegment.Point2.X,
(float)qbezierSegment.Point2.Y));
}
else
{
throw new NotSupportedException("Not supported segment type: " + segment.GetType());
}
}
builder.EndFigure(pf.IsClosed ? CanvasFigureLoop.Closed : CanvasFigureLoop.Open);
}
g = CanvasGeometry.CreatePath(builder);
}
return(g);
}
CanvasGeometry BuildGeometry(ICanvasResourceCreator resourceCreator, Geometry geometry)
{
CanvasGeometry canvasGeometry = null;
// Determine what type of geometry we're dealing with.
if (geometry is RectangleGeometry)
{
Rect xamRect = (geometry as RectangleGeometry).Rect;
winFound.Rect winRect = new winFound.Rect(xamRect.X, xamRect.Y, xamRect.Width, xamRect.Height);
canvasGeometry = CanvasGeometry.CreateRectangle(resourceCreator, winRect);
}
else if (geometry is EllipseGeometry)
{
EllipseGeometry ellipseGeometry = geometry as EllipseGeometry;
Vector2 center = ConvertPoint(ellipseGeometry.Center);
canvasGeometry = CanvasGeometry.CreateEllipse(resourceCreator, center, (float)ellipseGeometry.RadiusX, (float)ellipseGeometry.RadiusY);
}
else if (geometry is GeometryGroup)
{
GeometryGroup geometryGroup = geometry as GeometryGroup;
List <CanvasGeometry> geometries = new List <CanvasGeometry>();
foreach (Geometry geometryChild in geometryGroup.Children)
{
geometries.Add(BuildGeometry(resourceCreator, geometryChild));
}
canvasGeometry = CanvasGeometry.CreateGroup(resourceCreator, geometries.ToArray(), (CanvasFilledRegionDetermination)(int)geometryGroup.FillRule);
}
else
{
using (CanvasPathBuilder pathBuilder = new CanvasPathBuilder(resourceCreator))
{
// Determine what type of geometry we're dealing with.
if (geometry is LineGeometry)
{
LineGeometry lineGeometry = geometry as LineGeometry;
pathBuilder.BeginFigure(ConvertPoint(lineGeometry.StartPoint), CanvasFigureFill.Default);
pathBuilder.AddLine(ConvertPoint(lineGeometry.EndPoint));
pathBuilder.EndFigure(CanvasFigureLoop.Open);
}
else if (geometry is PathGeometry)
{
PathGeometry pathGeometry = geometry as PathGeometry;
pathBuilder.SetFilledRegionDetermination((CanvasFilledRegionDetermination)(int)pathGeometry.FillRule);
foreach (PathFigure pathFigure in pathGeometry.Figures)
{
// TODO: Check this logic!
pathBuilder.BeginFigure(ConvertPoint(pathFigure.StartPoint),
pathFigure.IsFilled ? CanvasFigureFill.Default : CanvasFigureFill.DoesNotAffectFills);
foreach (PathSegment pathSegment in pathFigure.Segments)
{
// LineSegment
if (pathSegment is LineSegment)
{
pathBuilder.AddLine(ConvertPoint((pathSegment as LineSegment).Point));
}
// PolylineSegment
else if (pathSegment is PolyLineSegment)
{
foreach (Point point in (pathSegment as PolyLineSegment).Points)
{
pathBuilder.AddLine(ConvertPoint(point));
}
}
// BezierSegment
else if (pathSegment is BezierSegment)
{
BezierSegment bezierSegment = pathSegment as BezierSegment;
pathBuilder.AddCubicBezier(ConvertPoint(bezierSegment.Point1),
ConvertPoint(bezierSegment.Point2),
ConvertPoint(bezierSegment.Point3));
}
// PolyBezierSegment
else if (pathSegment is PolyBezierSegment)
{
PointCollection points = (pathSegment as PolyBezierSegment).Points;
for (int i = 0; i < points.Count; i += 3)
{
pathBuilder.AddCubicBezier(ConvertPoint(points[i + 0]),
ConvertPoint(points[i + 1]),
ConvertPoint(points[i + 2]));
}
}
// QuadraticBezierSegment
else if (pathSegment is QuadraticBezierSegment)
{
QuadraticBezierSegment quadSegment = pathSegment as QuadraticBezierSegment;
pathBuilder.AddQuadraticBezier(ConvertPoint(quadSegment.Point1),
ConvertPoint(quadSegment.Point2));
}
// PolyQuadraticBezierSegment
else if (pathSegment is PolyQuadraticBezierSegment)
{
PointCollection points = (pathSegment as PolyQuadraticBezierSegment).Points;
for (int i = 0; i < points.Count; i += 2)
{
pathBuilder.AddQuadraticBezier(ConvertPoint(points[i + 0]),
ConvertPoint(points[i + 1]));
}
}
// ArcSegment
else if (pathSegment is ArcSegment)
{
ArcSegment arcSegment = pathSegment as ArcSegment;
pathBuilder.AddArc(ConvertPoint(arcSegment.Point),
(float)arcSegment.Size.Width,
(float)arcSegment.Size.Height,
(float)arcSegment.RotationAngle,
(CanvasSweepDirection)(int)arcSegment.SweepDirection,
arcSegment.IsLargeArc ? CanvasArcSize.Large : CanvasArcSize.Small);
}
}
pathBuilder.EndFigure(pathFigure.IsClosed ? CanvasFigureLoop.Closed : CanvasFigureLoop.Open);
}
}
else
{
return(null);
}
canvasGeometry = CanvasGeometry.CreatePath(pathBuilder);
}
}
// Set transform
if (geometry.Transform != null)
{
canvasGeometry = canvasGeometry.Transform((Matrix3x2)geometry.Transform.GetNativeObject());
}
return(canvasGeometry);
}
