public override void DrawRect(CoreGraphics.CGRect dirtyRect)
{
NSBezierPath path = NSBezierPath.FromRect(new CoreGraphics.CGRect(-200, -200, 200, 200));
var rotation = new NSAffineTransform();
rotation.RotateByDegrees((System.nfloat) 30);
var transtation = new NSAffineTransform();
transtation.Translate(250, 300);
rotation.AppendTransform(transtation);
path.TransformUsingAffineTransform(rotation);
DrawPath(path);
}
public static XIR.Image RemoteRepresentation(this NSBezierPath nsbezierpath)
{
nfloat width = 1f;
nfloat height = 1f;
// We check here for the element count. If it is zero an error is being thrown if you access ControlPointBounds.
if (nsbezierpath.ElementCount > 0)
{
// let's make sure we leave a little room for the line width drawing as well by adding the LineWidth of the
// bezier path.
width = nsbezierpath.ControlPointBounds.Width + nsbezierpath.LineWidth * 2;
height = nsbezierpath.ControlPointBounds.Height + nsbezierpath.LineWidth * 2;
}
else
{
return(new NSImage(new CGSize(width, height)).RemoteRepresentation());
}
var nsimage = new NSImage(new CGSize(width, height));
nsimage.LockFocus();
var transform = new NSAffineTransform();
// We need to offset the image a little, specifically by the line width, so it will not be cut off
var offsetXZero = -nsbezierpath.ControlPointBounds.X;
var offsetYZero = -nsbezierpath.ControlPointBounds.Y;
transform.Translate(offsetXZero + nsbezierpath.LineWidth / 2, offsetYZero + nsbezierpath.LineWidth / 2);
nsbezierpath.TransformUsingAffineTransform(transform);
brush.SetFill();
nsbezierpath.Fill();
pen.SetStroke();
nsbezierpath.Stroke();
nsimage.UnlockFocus();
return(nsimage.RemoteRepresentation());
}
public static XIR.Image RemoteRepresentation(this NSLineCapStyle obj)
{
// Customize the line cap style for the new object.
var aPath = new NSBezierPath();
var lineWidth = 16;
var sampleWidth = 100;
// First we draw the presentation line
aPath.LineWidth = lineWidth;
aPath.MoveTo(new CGPoint(lineWidth, lineWidth));
aPath.LineTo(new CGPoint(lineWidth + sampleWidth, lineWidth));
switch ((NSLineCapStyle)obj)
{
case NSLineCapStyle.Square:
aPath.LineCapStyle = NSLineCapStyle.Square;
break;
case NSLineCapStyle.Butt:
aPath.LineCapStyle = NSLineCapStyle.Butt;
break;
case NSLineCapStyle.Round:
aPath.LineCapStyle = NSLineCapStyle.Round;
break;
}
// let's make sure we leave a little room for the line width drawing as well by adding the lineWidth as well
var width = aPath.ControlPointBounds.Right + lineWidth;
var height = aPath.ControlPointBounds.Bottom + lineWidth;
var nsimage = new NSImage(new CGSize(width, height));
nsimage.LockFocus();
// We need to offset the image a little so it will not be cut off
var transform = new NSAffineTransform();
transform.Translate(aPath.LineWidth / 2, aPath.LineWidth / 2);
aPath.TransformUsingAffineTransform(transform);
brush.Set();
aPath.Stroke();
// Second, we draw the inset line to demonstrate the bounds
aPath.RemoveAllPoints();
lineWidth += lineWidth / 2;
aPath.LineWidth = 2;
aPath.MoveTo(new CGPoint(lineWidth, lineWidth));
aPath.LineTo(new CGPoint(lineWidth + sampleWidth, lineWidth));
pen.Set();
aPath.Stroke();
// Third, we draw the inset line endings which are two circles
aPath.RemoveAllPoints();
var circleWidth = 2;
aPath.LineWidth = circleWidth;
aPath.LineCapStyle = NSLineCapStyle.Butt;
aPath.AppendPathWithOvalInRect(new CGRect(lineWidth - (int)(circleWidth / 2), lineWidth - (int)(circleWidth / 2), circleWidth, circleWidth));
aPath.AppendPathWithOvalInRect(new CGRect(lineWidth + sampleWidth - (int)(circleWidth / 2), lineWidth - (int)(circleWidth / 2), circleWidth, circleWidth));
pen.Set();
aPath.Stroke();
nsimage.UnlockFocus();
return(nsimage.RemoteRepresentation());
}