double IZoom.GetZoomAt(RectangularGrid.Location tileLocation)
{
var imageBoxLocation = tileLocation.ParentGridLocation;
IImageBox imageBox;
if (imageBoxLocation == null)
{
imageBox = Context.Viewer.PhysicalWorkspace.SelectedImageBox;
}
else
{
imageBox = Context.Viewer.PhysicalWorkspace[imageBoxLocation.Row, imageBoxLocation.Column];
}
var tile = imageBox[tileLocation.Row, tileLocation.Column];
//Rather than change the class, we'll just select temporarily.
var oldSelectedTile = Context.Viewer.SelectedTile;
tile.Select();
var transform = GetSelectedImageTransform();
if (transform == null)
{
throw new InvalidOperationException("The tile must contain a valid image.");
}
if (oldSelectedTile != null)
{
oldSelectedTile.Select();
}
return(transform.Scale);
}
IVoiLut ILookupTable.GetLookupTableAt(RectangularGrid.Location tileLocation)
{
var voiLutManager = GetSelectedImageVoiLutManager();
if (voiLutManager == null)
{
throw new InvalidOperationException("Selected image can't have a voi lut");
}
return(voiLutManager.VoiLut);
}
