private void panTo(Rectangle2D bounds, bool skipAnimation)
{
//if (!ConstrainedViewBounds.IsEmpty)
//{
// bounds.Intersect(ConstrainedViewBounds);
//}
if ((this.panHelper != null) && (!Rectangle2D.IsNullOrEmpty(bounds)))
{
if (Popup.IsOpen)
{
Popup.IsOpen = false;
}
this.panHelper.Stop(true);
Point2D center = bounds.Center;
Rectangle2D viewBounds = this.ViewBounds;
if (Rectangle2D.IsNullOrEmpty(previousViewBounds))
{
previousViewBounds = viewBounds;
}
if (!Rectangle2D.IsNullOrEmpty(viewBounds))
{
if (!skipAnimation)
{
Rectangle2D rect2D = viewBounds.Inflate(viewBounds.Width, viewBounds.Height);
skipAnimation = !rect2D.Contains(center);
}
if (!skipAnimation)
{
Point2D point2 = viewBounds.Center;
this.panHelper.DeltaPan((int)Math.Round((double)((point2.X - center.X) / this.mapResolution)), (int)Math.Round((double)((center.Y - point2.Y) / this.mapResolution)), this.PanDuration, false);
if (this.PanDuration.Ticks == 0L)
{
this.RaiseViewBoundsChanged();
}//等于0，不动画。//在动画里和动画结束已经触发。
}
else
{
Point2D currentOrigin = new Point2D(center.X - (viewBounds.Width * 0.5), center.Y + (viewBounds.Height * 0.5));
this.SetOriginAndResolution(this.mapResolution, currentOrigin, true);
this.panHelper.ResetTranslate();
this.origin = currentOrigin;
this.LoadLayersInView(false, this.GetFullViewBounds());
this.RaiseViewBoundsChanged();
}
}
}
}