private ViewportCalculatorViewModel(
IModelEventSource modelEventSource,
IDiagramEventSource diagramEventSource,
double minZoom,
double maxZoom,
double initialZoom,
Size sizeInScreenSpace,
Point centerInDiagramSpace)
: base(modelEventSource, diagramEventSource)
{
_minZoom = minZoom;
_maxZoom = maxZoom;
_defaultExponentialZoom = initialZoom;
_exponentialZoom = initialZoom;
_sizeInScreenSpace = sizeInScreenSpace;
_centerInDiagramSpace = centerInDiagramSpace;
_diagramContentRect = diagramEventSource.LatestDiagram.Rect.ToWpf();
ResizeCommand = new ResizeDelegateCommand(Resize);
PanCommand = new PanDelegateCommand(Pan);
ZoomToContentCommand = new ZoomToContentDelegateCommand(ZoomToContent);
ZoomCommand = new ZoomDelegateCommand(ZoomWithCenterTo);
UpdateCalculatedProperties(TransitionSpeed.Instant);
DiagramEventSource.DiagramChanged += OnDiagramChanged;
}
private ViewportCalculatorViewModel(IArrangedDiagram diagram, double minZoom, double maxZoom, double initialZoom,
Size sizeInScreenSpace, Point centerInDiagramSpace)
: base(diagram)
{
_minZoom = minZoom;
_maxZoom = maxZoom;
_defaultExponentialZoom = initialZoom;
_exponentialZoom = initialZoom;
_sizeInScreenSpace = sizeInScreenSpace;
_centerInDiagramSpace = centerInDiagramSpace;
ResizeCommand = new ResizeDelegateCommand(Resize);
PanCommand = new PanDelegateCommand(Pan);
ZoomToContentCommand = new ZoomToContentDelegateCommand(ZoomToContent);
ZoomCommand = new ZoomDelegateCommand(ZoomWithCenterTo);
UpdateCalculatedProperties(TransitionSpeed.Instant);
}