/// <inheritdoc/>
public IPathShape ToFillPathShape(IBaseShape shape)
{
var path = PathGeometryConverter.ToSKPath(shape);
if (path == null)
{
return(null);
}
var factory = _serviceProvider.GetService <IFactory>();
var style = shape.Style != null ?
(IShapeStyle)shape.Style?.Copy(null) :
factory.CreateShapeStyle(ProjectEditorConfiguration.DefaulStyleName);
using var brush = SkiaSharpDrawUtil.ToSKPaintBrush(style.Fill);
var result = brush.GetFillPath(path, 1.0f);
if (result != null)
{
if (result.IsEmpty)
{
result.Dispose();
return(null);
}
var geometry = PathGeometryConverter.ToPathGeometry(result, factory);
var pathShape = factory.CreatePathShape(
"Path",
style,
geometry,
false,
true);
result.Dispose();
return(pathShape);
}
return(null);
}
public override void UpdateStyle()
{
if (Grid.GridStrokeColor != null)
{
Stroke = SkiaSharpDrawUtil.ToSKPaintPen(Grid.GridStrokeColor, Grid.GridStrokeThickness);
}
else
{
Stroke = null;
}
}
protected void UpdateTextGeometry()
{
BoundText = Text.GetProperty(nameof(ITextShape.Text)) is string boundText ? boundText : Text.Text;
if (BoundText == null)
{
return;
}
if (Style.TextStyle.FontSize < 0.0)
{
return;
}
FormattedText = SkiaSharpDrawUtil.GetSKPaint(BoundText, Style, Text.TopLeft, Text.BottomRight, out var origin);
Origin = origin;
}
/// <inheritdoc/>
public IPathShape ToStrokePathShape(IBaseShape shape)
{
var path = PathGeometryConverter.ToSKPath(shape);
if (path == null)
{
return(null);
}
var factory = _serviceProvider.GetService <IFactory>();
var style = shape.Style != null ?
(IShapeStyle)shape.Style?.Copy(null) :
factory.CreateShapeStyle(ProjectEditorConfiguration.DefaulStyleName);
var stroke = (IColor)style.Stroke.Copy(null);
var fill = (IColor)style.Fill.Copy(null);
style.Stroke = fill;
style.Fill = stroke;
using var pen = SkiaSharpDrawUtil.ToSKPaintPen(style, style.Thickness);
var result = pen.GetFillPath(path, 1.0f);
if (result != null)
{
if (result.IsEmpty)
{
result.Dispose();
return(null);
}
var geometry = PathGeometryConverter.ToPathGeometry(result, factory);
var pathShape = factory.CreatePathShape(
"Path",
style,
geometry,
true,
false);
result.Dispose();
return(pathShape);
}
return(null);
}
public virtual void UpdateStyle()
{
Fill = SkiaSharpDrawUtil.ToSKPaintBrush(Style.Fill);
Stroke = SkiaSharpDrawUtil.ToSKPaintPen(Style, Style.Thickness);
}
public static SKPath ToSKPath(this IEnumerable <IBaseShape> shapes)
{
var path = new SKPath
{
FillType = SKPathFillType.Winding
};
var previous = default(IPointShape);
foreach (var shape in shapes)
{
switch (shape)
{
case ILineShape lineShape:
{
if (previous == null || previous != lineShape.Start)
{
path.MoveTo(
(float)(lineShape.Start.X),
(float)(lineShape.Start.Y));
}
path.LineTo(
(float)(lineShape.End.X),
(float)(lineShape.End.Y));
previous = lineShape.End;
}
break;
case IRectangleShape rectangleShape:
{
path.AddRect(
SkiaSharpDrawUtil.CreateRect(rectangleShape.TopLeft, rectangleShape.BottomRight),
SKPathDirection.Clockwise);
}
break;
case IEllipseShape ellipseShape:
{
path.AddOval(
SkiaSharpDrawUtil.CreateRect(ellipseShape.TopLeft, ellipseShape.BottomRight),
SKPathDirection.Clockwise);
}
break;
case IArcShape arcShape:
{
var a = new GdiArc(
Point2.FromXY(arcShape.Point1.X, arcShape.Point1.Y),
Point2.FromXY(arcShape.Point2.X, arcShape.Point2.Y),
Point2.FromXY(arcShape.Point3.X, arcShape.Point3.Y),
Point2.FromXY(arcShape.Point4.X, arcShape.Point4.Y));
var rect = new SKRect(
(float)(a.X),
(float)(a.Y),
(float)(a.X + a.Width),
(float)(a.Y + a.Height));
path.AddArc(rect, (float)a.StartAngle, (float)a.SweepAngle);
}
break;
case ICubicBezierShape cubicBezierShape:
{
if (previous == null || previous != cubicBezierShape.Point1)
{
path.MoveTo(
(float)(cubicBezierShape.Point1.X),
(float)(cubicBezierShape.Point1.Y));
}
path.CubicTo(
(float)(cubicBezierShape.Point2.X),
(float)(cubicBezierShape.Point2.Y),
(float)(cubicBezierShape.Point3.X),
(float)(cubicBezierShape.Point3.Y),
(float)(cubicBezierShape.Point4.X),
(float)(cubicBezierShape.Point4.Y));
previous = cubicBezierShape.Point4;
}
break;
case IQuadraticBezierShape quadraticBezierShape:
{
if (previous == null || previous != quadraticBezierShape.Point1)
{
path.MoveTo(
(float)(quadraticBezierShape.Point1.X),
(float)(quadraticBezierShape.Point1.Y));
}
path.QuadTo(
(float)(quadraticBezierShape.Point2.X),
(float)(quadraticBezierShape.Point2.Y),
(float)(quadraticBezierShape.Point3.X),
(float)(quadraticBezierShape.Point3.Y));
previous = quadraticBezierShape.Point3;
}
break;
case ITextShape textShape:
{
var resultPath = ToSKPath(textShape);
if (resultPath != null && !resultPath.IsEmpty)
{
path.AddPath(resultPath, SKPathAddMode.Append);
}
}
break;
case IPathShape pathShape:
{
var resultPath = ToSKPath(pathShape);
if (resultPath != null && !resultPath.IsEmpty)
{
path.AddPath(resultPath, SKPathAddMode.Append);
}
}
break;
case IGroupShape groupShape:
{
var resultPath = ToSKPath(groupShape.Shapes);
if (resultPath != null && !resultPath.IsEmpty)
{
path.AddPath(resultPath, SKPathAddMode.Append);
}
}
break;
}
}
return(path);
}
public override void UpdateStyle()
{
Fill = SkiaSharpDrawUtil.ToSKPaintBrush(Color);
}
