public void ZoomToFit(double margin = 10)
{
var selectedNodes = SelectedModels.Where(s => s is NodeModel).Select(s => (NodeModel)s).ToList();
if (selectedNodes.Count == 0 && _nodes.Count == 0)
{
return;
}
(var minX, var maxX, var minY, var maxY) = GetNodesRect(selectedNodes);
var width = maxX - minX + 2 * margin;
var height = maxY - minY + 2 * margin;
minX -= margin;
minY -= margin;
var xf = Container.Width / width;
var yf = Container.Height / height;
Zoom = Math.Min(xf, yf);
var nx = Container.Left + Pan.X + minX * Zoom;
var ny = Container.Top + Pan.Y + minY * Zoom;
Pan = Pan.Add(Container.Left - nx, Container.Top - ny);
Refresh();
}
public void UpdatePan(double deltaX, double deltaY)
{
Pan = Pan.Add(deltaX, deltaY);
PanChanged?.Invoke();
Refresh();
}
