public void Scale(int wheelDelta, Point mouse)
{
Point p = GraphViewCenter();
double desiredZoom = Zoom * (wheelDelta > 0 ? 1.25 : 0.8);
double boundedZoom = Math.Max(0.5, Math.Min(3, desiredZoom));
double boundedScale = boundedZoom / Zoom;
Zoom = boundedZoom;
AppSettings set = ((App)Application.Current).Settings;
Point origin = set.UseMouseAsZoomOrigin ? mouse : Center;
ZoomAndPanCanvasModel.Rescale(boundedScale, origin);
ZoomAndPanCanvasModel.Move(new Vector(0, 0), new Size(p.X * 2, p.Y * 2));
}
public void ResetTranslate()
{
ZoomAndPanCanvasModel.Rescale(1 / Zoom, new Point(0, 0));
Zoom = 1;
Move(new Vector(double.MaxValue, double.MaxValue));
}
