public void ContainsReturnsFalseIfItDoesNotContain()
{
var region = new SKRegion(new SKRectI(30, 30, 40, 40));
var region2 = new SKRegion(new SKRectI(25, 25, 50, 50));
Assert.False(region.Contains(region2));
}
public void ContainsReturnsTrueIfItDoesContain()
{
using var region = new SKRegion(new SKRectI(25, 25, 50, 50));
using var region2 = new SKRegion(new SKRectI(30, 30, 40, 40));
Assert.True(region.Contains(region2));
}
//Default resolution makes 10 points per line segment
private bool IsInside(SKPath pInput, SKPath pBoundary)
{
var input = new SKRegion();
var boundary = new SKRegion();
input.SetRect(ToIntRect(pInput.Bounds));
boundary.SetRect(ToIntRect(pBoundary.Bounds));
input.SetPath(pInput);
boundary.SetPath(pBoundary);
var contained = boundary.Contains(input);
return(contained);
}
public bool HitTest(Point p, IShape shape)
{
var stroke = shape.Stroke;
if (stroke is not null && stroke.Width < 4)
{
stroke = new Stroke(color: stroke.Color, width: 4);
}
using var path = new SKPath();
path.AddOval(shape.Bounds.ToSk());
using var paint = new SKPaint()
.SetStroke(stroke)
.SetFill(shape.Fill)
.SetPaintStyle(stroke, shape.Fill);
using var fillPath = paint.GetFillPath(path);
using var region = new SKRegion(fillPath);
return(region.Contains((int)p.X, (int)p.Y));
}
public bool IsVisible(Point pt)
{
return(skRegion.Contains(pt.X, pt.Y));
}
public void ContainsReturnsTrueIfItDoesContainPoint()
{
var region = new SKRegion(new SKRectI(25, 25, 50, 50));
Assert.True(region.Contains(40, 40));
}
public void ContainsReturnsFalseIfItDoesNotContainPoint()
{
var region = new SKRegion(new SKRectI(30, 30, 40, 40));
Assert.False(region.Contains(60, 60));
}