public static IPolygon Clip(ClipOperation operation, IPolygon subject_polygon, IPolygon clip_polygon)
{
Clip_polygon Clip_polygon = new Clip_polygon();
Clip_polygon Clip_subject_polygon = ClipWrapper.PolygonTo_Clip_polygon(subject_polygon);
Clip_polygon Clip_clip_polygon = ClipWrapper.PolygonTo_Clip_polygon(clip_polygon);
try
{
ClipPolygon(ref Clip_subject_polygon, ref Clip_clip_polygon, operation, ref Clip_polygon);
IPolygon polygon = ClipWrapper.Clip_polygon_ToPolygon(Clip_polygon);
return(polygon);
}
finally
{
ClipWrapper.Free_Clip_polygon(Clip_subject_polygon);
ClipWrapper.Free_Clip_polygon(Clip_clip_polygon);
ClipWrapper.FreePolygon(ref Clip_polygon);
}
}
public static GeomTristrip ClipToTristrip(ClipOperation operation, GeomPolygon subject_polygon, GeomPolygon clip_polygon)
{
Clip_tristrip Clip_strip = new Clip_tristrip();
Clip_polygon Clip_subject_polygon = ClipWrapper.GeomPolygonTo_Clip_polygon(subject_polygon);
Clip_polygon Clip_clip_polygon = ClipWrapper.GeomPolygonTo_Clip_polygon(clip_polygon);
try
{
ClipTristrip(ref Clip_subject_polygon, ref Clip_clip_polygon, operation, ref Clip_strip);
GeomTristrip tristrip = ClipWrapper.Clip_strip_ToTristrip(Clip_strip);
return(tristrip);
}
finally
{
ClipWrapper.Free_Clip_polygon(Clip_subject_polygon);
ClipWrapper.Free_Clip_polygon(Clip_clip_polygon);
ClipWrapper.FreeTristrip(ref Clip_strip);
}
}
/// <summary>
/// Gets the short operation string.
/// </summary>
private string GetShortOperationString(ClipOperation operation)
{
switch (operation)
{
case ClipOperation.Difference:
return("diff");
case ClipOperation.Intersection:
return("intersect");
case ClipOperation.SymDifference:
return("sym dif.");
case ClipOperation.Union:
return("union");
case ClipOperation.Clip:
return("clip");
default:
throw new ArgumentOutOfRangeException();
}
}
public IGeometry Clip(IGeometry g, ClipOperation operation)
{
return(new Geometry(_shape.Clip(g.GetInternal(), (tkClipOperation)operation)));
}
public static SKClipOperation ToSkia(this ClipOperation operation) => operation switch
{
public void ClipRect(Rectangle rect, ClipOperation operation, bool antialias) => _canvas.ClipRect(rect.ToSkia(), operation.ToSkia(), antialias);
public ClipPathCanvasCommand(ClipPath clipPath, ClipOperation operation, bool antialias)
{
ClipPath = clipPath;
Operation = operation;
Antialias = antialias;
}
public ClipRectCanvasCommand(Rect rect, ClipOperation operation, bool antialias)
{
Rect = rect;
Operation = operation;
Antialias = antialias;
}
private static extern void ClipTristrip([In] ref Clip_polygon subject_polygon,
[In] ref Clip_polygon clip_polygon,
[In] ClipOperation set_operation,
[In, Out] ref Clip_tristrip result_tristrip);
private static extern void ClipPolygon([In] ref Clip_polygon subject_polygon,
[In] ref Clip_polygon clip_polygon,
[In] ClipOperation set_operation,
[In, Out] ref Clip_polygon result_polygon);
public GeomPolygon Clip(ClipOperation operation, GeomPolygon polygon)
{
return(ClipWrapper.Clip(operation, this, polygon));
}
public void ClipRect(Rect rect, ClipOperation operation = ClipOperation.Intersect, bool antialias = false)
{
Commands?.Add(new ClipRectCanvasCommand(rect, operation, antialias));
}
public void ClipPath(ClipPath clipPath, ClipOperation operation = ClipOperation.Intersect, bool antialias = false)
{
Commands?.Add(new ClipPathCanvasCommand(clipPath, operation, antialias));
}
