internal Viewport2D(FrameworkElement host, Plotter2D plotter)
{
this.hostElement = host;
host.ClipToBounds = true;
host.SizeChanged += new SizeChangedEventHandler(OnHostElementSizeChanged);
this.plotter = plotter;
plotter.Children.CollectionChanged += OnPlotterChildrenChanged;
restrictions = new RestrictionCollection(this);
restrictions.Add(new MinimalSizeRestriction());
restrictions.CollectionChanged += restrictions_CollectionChanged;
fitToViewRestrictions = new RestrictionCollection(this);
fitToViewRestrictions.CollectionChanged += fitToViewRestrictions_CollectionChanged;
readonlyContentBoundsHosts = new ReadOnlyObservableCollection<IPlotterElement>(contentBoundsHosts);
UpdateVisible();
UpdateTransform();
}
protected internal Viewport2D(FrameworkElement host, Plotter2D plotter)
{
hostElement = host;
host.ClipToBounds = true;
host.SizeChanged += OnHostElementSizeChanged;
this.plotter = plotter;
plotter.Children.CollectionChanged += OnPlotterChildrenChanged;
restrictions = new RestrictionCollection(this);
restrictions.Add(new MinimalSizeRestriction());
restrictions.CollectionChanged += restrictions_CollectionChanged;
fitToViewRestrictions = new RestrictionCollection(this);
fitToViewRestrictions.CollectionChanged += fitToViewRestrictions_CollectionChanged;
readonlyContentBoundsHosts = new ReadOnlyObservableCollection<DependencyObject>(contentBoundsHosts);
UpdateVisible();
UpdateTransform();
}
protected internal Viewport2D(FrameworkElement host, Plotter2D plotter)
{
// MaxWidth = -1;//默认初始为-1，不限制缩放
hostElement = host;
host.ClipToBounds = true;
host.SizeChanged += OnHostElementSizeChanged;
this.plotter = plotter;
plotter.Children.CollectionChanged += OnPlotterChildrenChanged;
restrictions = new RestrictionCollection(this);
restrictions.Add(new MinimalSizeRestriction());
restrictions.CollectionChanged += restrictions_CollectionChanged;
fitToViewRestrictions = new RestrictionCollection(this);
fitToViewRestrictions.CollectionChanged += fitToViewRestrictions_CollectionChanged;
readonlyContentBoundsHosts = new ReadOnlyObservableCollection <DependencyObject>(contentBoundsHosts);
UpdateVisible();
UpdateTransform();
}
