public static CGPath ToCGPath(this NSBezierPath nsPath)
{
var cgPath = new CGPath();
var points = null as CGPoint[];
for (int i = 0; i < nsPath.ElementCount; i++)
{
var type = nsPath.ElementAt(i, out points);
switch (type)
{
case NSBezierPathElement.MoveTo:
cgPath.MoveToPoint(points[0]);
break;
case NSBezierPathElement.LineTo:
cgPath.AddLineToPoint(points[0]);
break;
case NSBezierPathElement.CurveTo:
cgPath.AddCurveToPoint(cp1: points[0], cp2: points[1], point: points[2]);
break;
case NSBezierPathElement.ClosePath:
cgPath.CloseSubpath();
break;
}
}
return(cgPath);
}
public static CGPath ToCGPath(this NSBezierPath bezierPath)
{
var path = new CGPath();
for (var i = 0; i < bezierPath.ElementCount; i++)
{
var type = bezierPath.ElementAt(i, out var points);
switch (type)
{
case NSBezierPathElement.MoveTo:
path.MoveToPoint(points[0]);
break;
case NSBezierPathElement.LineTo:
path.AddLineToPoint(points[0]);
break;
case NSBezierPathElement.CurveTo:
path.AddCurveToPoint(points[0], points[1], points[2]);
break;
case NSBezierPathElement.ClosePath:
path.CloseSubpath();
break;
}
}
return(path);
}
public static CGPath ToCGPath(this NSBezierPath path, bool closePath)
{
int i, numElements;
// Need to begin a path here.
CGPath cgpath = new CGPath();
// Then draw the path elements.
numElements = (int)path.ElementCount;
if (numElements > 0)
{
CGPoint [] points = new CGPoint [3];
bool didClosePath = true;
for (i = 0; i < numElements; i++)
{
switch (path.ElementAt(i, out points))
{
case NSBezierPathElement.MoveTo:
cgpath.MoveToPoint(points [0].X, points [0].Y);
break;
case NSBezierPathElement.LineTo:
cgpath.AddLineToPoint(points [0].X, points [0].Y);
didClosePath = false;
break;
case NSBezierPathElement.CurveTo:
cgpath.AddCurveToPoint(points [0], points [1], points [2]);
didClosePath = false;
break;
case NSBezierPathElement.ClosePath:
cgpath.CloseSubpath();
didClosePath = true;
break;
}
}
// Be sure the path is closed or Quartz may not do valid hit detection.
if (!didClosePath && closePath)
{
cgpath.CloseSubpath();
}
}
return(cgpath);
}
//TODO: we should move this to a shared place
public static CGPath ToCGPath(this NSBezierPath path)
{
var numElements = path.ElementCount;
if (numElements == 0)
{
return(null);
}
CGPath result = new CGPath();
bool didClosePath = true;
for (int i = 0; i < numElements; i++)
{
CGPoint[] points;
var element = path.ElementAt(i, out points);
if (element == NSBezierPathElement.MoveTo)
{
result.MoveToPoint(points[0].X, points[0].Y);
}
else if (element == NSBezierPathElement.LineTo)
{
result.AddLineToPoint(points[0].X, points[0].Y);
didClosePath = false;
}
else if (element == NSBezierPathElement.CurveTo)
{
result.AddCurveToPoint(points[0].X, points[0].Y,
points[1].X, points[1].Y,
points[2].X, points[2].Y);
didClosePath = false;
}
else if (element == NSBezierPathElement.ClosePath)
{
result.CloseSubpath();
}
}
// Be sure the path is closed or Quartz may not do valid hit detection.
if (!didClosePath)
{
result.CloseSubpath();
}
return(result);
}
