public override void MouseDown(NSEvent theEvent)
{
Element.Points.CollectionChanged -= OnPointsCollectionChanged;
Element.Points.Clear();
currentPath.RemoveAllPoints();
previousPoint = theEvent.LocationInWindow;
currentPath.MoveTo(previousPoint);
InvokeOnMainThread(Layer !.SetNeedsDisplay);
Element.Points.CollectionChanged += OnPointsCollectionChanged;
}
public static XIR.Image RemoteRepresentation(this NSLineJoinStyle obj)
{
// Customize the line cap style for the new object.
var aPath = new NSBezierPath();
var lineWidth = 10;
var sampleWidth = 50;
// First we draw the presentation line
aPath.LineWidth = lineWidth;
aPath.MoveTo(new CGPoint(lineWidth, lineWidth));
aPath.LineTo(new CGPoint(lineWidth + sampleWidth / 2, sampleWidth));
aPath.LineTo(new CGPoint(lineWidth + sampleWidth, lineWidth));
switch ((NSLineJoinStyle)obj)
{
case NSLineJoinStyle.Bevel:
aPath.LineJoinStyle = NSLineJoinStyle.Bevel;
break;
case NSLineJoinStyle.Miter:
aPath.LineJoinStyle = NSLineJoinStyle.Miter;
break;
case NSLineJoinStyle.Round:
aPath.LineJoinStyle = NSLineJoinStyle.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();
brush.Set();
aPath.Stroke();
// Second, we draw the inset line to demonstrate the bounds
aPath.RemoveAllPoints();
aPath.LineWidth = 2;
aPath.MoveTo(new CGPoint(lineWidth, lineWidth));
aPath.LineTo(new CGPoint(lineWidth + sampleWidth / 2, sampleWidth));
aPath.LineTo(new CGPoint(lineWidth + sampleWidth, lineWidth));
pen.Set();
aPath.Stroke();
nsimage.UnlockFocus();
return(nsimage.RemoteRepresentation());
}
public override void MouseDown(NSEvent theEvent)
{
Element.Lines.CollectionChanged -= OnLinesCollectionChanged;
if (!Element.MultiLineMode)
{
Element.Lines.Clear();
currentPath.RemoveAllPoints();
}
previousPoint = theEvent.LocationInWindow;
currentPath.MoveTo(previousPoint);
currentLine = new Line
{
Points = new ObservableCollection <Point>
{
new (previousPoint.X, previousPoint.Y)
}
};
UpdateDisplay();
Element.Lines.CollectionChanged += OnLinesCollectionChanged;
}
public override void MouseDown(NSEvent theEvent)
{
Element.Lines.CollectionChanged -= OnLinesCollectionChanged;
if (!Element.MultiLineMode)
{
Element.Lines.Clear();
currentPath.RemoveAllPoints();
}
previousPoint = theEvent.LocationInWindow;
currentPath.MoveTo(previousPoint);
currentLine = new Line()
{
Points = new ObservableCollection <Point>()
{
new Point(previousPoint.X, previousPoint.Y)
}
};
InvokeOnMainThread(Layer !.SetNeedsDisplay);
Element.Lines.CollectionChanged += OnLinesCollectionChanged;
}
public override void DrawRect(CoreGraphics.CGRect dirtyRect)
{
mPath.RemoveAllPoints();
CGRect bounds = this.Bounds;
// Fill view with green
NSColor.Green.Set();
NSBezierPath.FillRect(bounds);
NSColor.White.Set();
foreach (Oval oval in Ovals)
{
mPath.AppendPathWithOvalInRect(oval.Rect);
}
mPath.Stroke();
}
ObservableCollection <Point> SmoothedPathWithGranularity(ObservableCollection <Point> currentPoints,
int granularity,
ref NSBezierPath smoothedPath)
{
// not enough points to smooth effectively, so return the original path and points.
if (currentPoints.Count < granularity + 2)
{
return(new ObservableCollection <Point>(currentPoints));
}
// create a new bezier path to hold the smoothed path.
smoothedPath.RemoveAllPoints();
var smoothedPoints = new ObservableCollection <Point>();
// duplicate the first and last points as control points.
currentPoints.Insert(0, currentPoints[0]);
currentPoints.Add(currentPoints[^ 1]);
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());
}
