internal static void AddConic(IToolContext context, ConicShape conic, double dx, double dy, SKPath geometry)
{
geometry.MoveTo(ToSKPoint(conic.StartPoint, dx, dy));
geometry.ConicTo(
ToSKPoint(conic.Point1, dx, dy),
ToSKPoint(conic.Point2, dx, dy),
(float)conic.Weight);
}
public void DrawConic(object dc, ConicShape conic, string styleId, double dx, double dy, double scale)
{
var geometry = new SKPath()
{
FillType = SKPathFillType.Winding
};
SkiaHelper.AddConic(null, conic, dx, dy, geometry);
_rootNodes[_currentRootNode].Children.Add(new ChildNode(conic, styleId, dx, dy, scale, geometry));
}
public void Draw(object dc, IShapeRenderer renderer, ConicShape conic, double dx, double dy, double scale)
{
DrawLine(dc, renderer, conic.StartPoint, conic.Point1, dx, dy, scale);
DrawLine(dc, renderer, conic.Point1, conic.Point2, dx, dy, scale);
}
internal static PathShape ToPathShape(IToolContext context, SKPath path, ShapeStyle style, IBaseShape pointTemplate)
{
var pathShape = new PathShape()
{
Points = new ObservableCollection <IPointShape>(),
Shapes = new ObservableCollection <IBaseShape>(),
FillType = ToPathFillType(path.FillType),
Text = new Text(),
StyleId = style.Title
};
var figureShape = default(FigureShape);
using (var iterator = path.CreateRawIterator())
{
var points = new SKPoint[4];
var pathVerb = SKPathVerb.Move;
var firstPoint = new SKPoint();
var lastPoint = new SKPoint();
while ((pathVerb = iterator.Next(points)) != SKPathVerb.Done)
{
switch (pathVerb)
{
case SKPathVerb.Move:
{
figureShape = new FigureShape()
{
Points = new ObservableCollection <IPointShape>(),
Shapes = new ObservableCollection <IBaseShape>(),
IsFilled = true,
IsClosed = false
};
figureShape.Owner = pathShape;
pathShape.Shapes.Add(figureShape);
firstPoint = lastPoint = points[0];
}
break;
case SKPathVerb.Line:
{
var lastPointShape = pathShape.GetLastPoint();
if (lastPointShape == null)
{
lastPointShape = new PointShape(points[0].X, points[0].Y, pointTemplate);
}
var lineShape = new LineShape()
{
Points = new ObservableCollection <IPointShape>(),
StartPoint = lastPointShape,
Point = new PointShape(points[1].X, points[1].Y, pointTemplate),
Text = new Text(),
StyleId = style.Title
};
lineShape.Owner = figureShape;
lineShape.StartPoint.Owner = lineShape;
lineShape.Point.Owner = lineShape;
figureShape.Shapes.Add(lineShape);
lastPoint = points[1];
}
break;
case SKPathVerb.Cubic:
{
var lastPointShape = pathShape.GetLastPoint();
if (lastPointShape == null)
{
lastPointShape = new PointShape(points[0].X, points[0].Y, pointTemplate);
}
var cubicBezierShape = new CubicBezierShape()
{
Points = new ObservableCollection <IPointShape>(),
StartPoint = lastPointShape,
Point1 = new PointShape(points[1].X, points[1].Y, pointTemplate),
Point2 = new PointShape(points[2].X, points[2].Y, pointTemplate),
Point3 = new PointShape(points[3].X, points[3].Y, pointTemplate),
Text = new Text(),
StyleId = style.Title
};
cubicBezierShape.Owner = figureShape;
cubicBezierShape.StartPoint.Owner = cubicBezierShape;
cubicBezierShape.Point1.Owner = cubicBezierShape;
cubicBezierShape.Point2.Owner = cubicBezierShape;
cubicBezierShape.Point3.Owner = cubicBezierShape;
figureShape.Shapes.Add(cubicBezierShape);
lastPoint = points[3];
}
break;
case SKPathVerb.Quad:
{
var lastPointShape = pathShape.GetLastPoint();
if (lastPointShape == null)
{
lastPointShape = new PointShape(points[0].X, points[0].Y, pointTemplate);
}
var quadraticBezierShape = new QuadraticBezierShape()
{
Points = new ObservableCollection <IPointShape>(),
StartPoint = lastPointShape,
Point1 = new PointShape(points[1].X, points[1].Y, pointTemplate),
Point2 = new PointShape(points[2].X, points[2].Y, pointTemplate),
Text = new Text(),
StyleId = style.Title
};
quadraticBezierShape.Owner = figureShape;
quadraticBezierShape.StartPoint.Owner = quadraticBezierShape;
quadraticBezierShape.Point1.Owner = quadraticBezierShape;
quadraticBezierShape.Point2.Owner = quadraticBezierShape;
figureShape.Shapes.Add(quadraticBezierShape);
lastPoint = points[2];
}
break;
case SKPathVerb.Conic:
{
var lastPointShape = pathShape.GetLastPoint();
if (lastPointShape == null)
{
lastPointShape = new PointShape(points[0].X, points[0].Y, pointTemplate);
}
var conicShape = new ConicShape()
{
Points = new ObservableCollection <IPointShape>(),
StartPoint = lastPointShape,
Point1 = new PointShape(points[1].X, points[1].Y, pointTemplate),
Point2 = new PointShape(points[2].X, points[2].Y, pointTemplate),
Weight = iterator.ConicWeight(),
Text = new Text(),
StyleId = style.Title
};
conicShape.Owner = figureShape;
conicShape.StartPoint.Owner = conicShape;
conicShape.Point1.Owner = conicShape;
conicShape.Point2.Owner = conicShape;
figureShape.Shapes.Add(conicShape);
lastPoint = points[2];
}
break;
case SKPathVerb.Close:
{
#if USE_CLOSE_SHAPE
var line = new LineShape()
{
Points = new ObservableCollection <IPointShape>(),
StartPoint = pathShape.GetLastPoint(),
Point = pathShape.GetFirstPoint(),
Text = new Text(),
StyleId = style.Title
};
line.Owner = figureShape;
line.StartPoint.Owner = line;
line.Point.Owner = line;
figureShape.Shapes.Add(line);
#else
figureShape.IsClosed = true;
firstPoint = lastPoint = new SKPoint(0, 0);
#endif
}
break;
}
}
}
return(pathShape);
}
