private IActionSet GetContextMenuActionSet()
{
var aimUserGraphics = GetAimUserGraphics();
var actionsList = new List <IAction>();
const string path = "imageviewer-contextmenu/Visible AIM Users/";
var resolver = new ResourceResolver(GetType(), true);
foreach (var aimUser in aimUserGraphics.Keys)
{
if (aimUserGraphics.Count > 0)
{
var user = aimUser;
var action = new MenuAction(aimUser, new ActionPath(path + aimUser, resolver), ClickActionFlags.CheckAction, resolver);
action.Checked = aimUserGraphics[aimUser][0].Visible;
action.Enabled = true;
action.Persistent = false;
action.Label = aimUser;
actionsList.Add(action);
action.SetClickHandler(
delegate
{
var visible = !action.Checked;
_displayMarkupPerUser[user] = visible;
action.Checked = visible;
SelectedPresentationImage.Draw();
});
}
}
return(new ActionSet(actionsList));
}
private void IncrementRotate(int xIncrement, int yIncrement)
{
if (!CanRotate())
{
return;
}
if (xIncrement == 0 && yIncrement == 0)
{
return;
}
var transform = (ISpatialTransform3D)_operation.GetOriginator(SelectedPresentationImage);
// Because the rotation increment is in destination coordinates, we have to convert
// them to source coordinates, since the transform translation is in source coordinates.
// This will allow the rotate to work properly irrespective of the zoom, flip and rotation.
var source = SelectedSpatialTransformProvider.SpatialTransform.ConvertToSource(new SizeF(xIncrement, yIncrement));
var sourceX = source.Width;
var sourceY = source.Height;
// choose the axis of rotation to be perpendicular to the rotation increment, in the plane of the view port
var axis = new Vector3D(-sourceY, sourceX, 0).Normalize();
// compute the magnitude of the rotation
var angle = (float)Math.Sqrt(sourceX * sourceX + sourceY * sourceY);
var rotation = transform.Rotation != null?transform.Rotation.Clone() : Matrix3D.GetIdentity();
Rotate(rotation, angle, axis.X, axis.Y, axis.Z);
transform.Rotation = rotation;
SelectedPresentationImage.Draw();
}
private void DrawGraphic(IGraphic graphic)
{
if (SelectedOverlayGraphicsProvider == null)
{
return;
}
SelectedOverlayGraphicsProvider.OverlayGraphics.Add(new XStatefulGraphic(graphic));
SelectedPresentationImage.Draw();
}
private void ResetRotate()
{
if (!CanRotate())
{
return;
}
var transform = (ISpatialTransform3D)_operation.GetOriginator(SelectedPresentationImage);
transform.Rotation = Matrix3D.GetIdentity();
SelectedPresentationImage.Draw();
}
private void IncrementPan(int xIncrement, int yIncrement)
{
if (!CanPan())
{
return;
}
ISpatialTransform transform = _operation.GetOriginator(SelectedPresentationImage);
transform.Translate(xIncrement, yIncrement);
SelectedPresentationImage.Draw();
}
private void SetPatientOrientation(Vector3D rowDirectionPatient, Vector3D columnDirectionPatient)
{
if (!CanRotate())
{
return;
}
if (rowDirectionPatient == null || columnDirectionPatient == null || !rowDirectionPatient.IsOrthogonalTo(columnDirectionPatient, (float)(5 / 180d * Math.PI)))
{
return;
}
var patientPresentation = SelectedPresentationImage as IPatientPresentationProvider;
if (patientPresentation == null || !patientPresentation.PatientPresentation.IsValid)
{
return;
}
// Note the inverted column orientation vectors in both matrices - this is due to implicit Y axis inversion in the 3D transform
columnDirectionPatient = -columnDirectionPatient;
var currentRowOrientation = patientPresentation.PatientPresentation.OrientationX;
var currentColumnOrientation = -patientPresentation.PatientPresentation.OrientationY;
var currentOrientation = Matrix3D.FromRows(currentRowOrientation.Normalize(), currentColumnOrientation.Normalize(), currentRowOrientation.Cross(currentColumnOrientation).Normalize());
var requestedOrientation = Matrix3D.FromRows(rowDirectionPatient.Normalize(), columnDirectionPatient.Normalize(), rowDirectionPatient.Cross(columnDirectionPatient).Normalize());
var transform = _operation.GetOriginator(SelectedPresentationImage);
// (because we're dealing with rotation matrices (i.e. orthogonal!), the Inverse is just Transpose)
var rotation = requestedOrientation * currentOrientation.Transpose();
transform.Rotation = rotation * transform.Rotation; // this rotation is cumulative upon current rotation, since IPatientPresentationProvider is based on *current* view
SelectedPresentationImage.Draw();
}