void
ZoomInteractor::StartRubberBand(int x, int y)
{
rubberBandMode = true;
shiftKeyDown = Interactor->GetShiftKey();
controlKeyDown = Interactor->GetControlKey();
VisWindow *win = proxy;
shouldClampSquare = win->GetInteractorAtts()->GetClampSquare();
shouldDrawGuides = win->GetInteractorAtts()->GetShowGuidelines();
// Set the actor's color.
double fg[3];
proxy.GetForegroundColor(fg);
rubberBandActor->GetProperty()->SetColor(fg[0], fg[1], fg[2]);
//
// Add the rubber band actors to the background. We do this since the
// background is in the same display coordinates that the rubber band will
// be. From an appearance standpoint it should be in the canvas, which
// the routine ForceCoordsToViewport ensures.
//
vtkRenderer *ren = proxy.GetBackground();
ren->AddActor2D(rubberBandActor);
//
// The anchor of the rubber band will be where the button press was.
//
anchorX = x;
anchorY = y;
//
// Determine what to clamp the rubber band to.
//
SetCanvasViewport();
//
// If the user has clicked outside the viewport, force the back inside.
//
ForceCoordsToViewport(anchorX, anchorY);
//
// Must update bookkeeping so that OnMouseMove works correctly.
//
lastX = anchorX;
lastY = anchorY;
rubberBandDrawn = false;
}
void
NavigateAxisArray::OnTimer(void)
{
vtkRenderWindowInteractor *rwi = Interactor;
int Pos[2];
rwi->GetEventPosition(Pos);
VisWindow *win = proxy;
shouldSnap = win->GetInteractorAtts()->GetAxisArraySnap();
switch (State)
{
case VTKIS_PAN:
PanCamera(Pos[0], Pos[1], shouldSnap);
rwi->CreateTimer(VTKI_TIMER_UPDATE);
break;
case VTKIS_DOLLY:
ZoomCamera(Pos[0], Pos[1]);
rwi->CreateTimer(VTKI_TIMER_UPDATE);
break;
default:
break;
}
}
NavigateAxisArray::NavigateAxisArray(VisWindowInteractorProxy &v) : VisitInteractor(v)
{
shiftKeyDown = controlKeyDown = false;
VisWindow *win = v;
shouldSnap = win->GetInteractorAtts()->GetAxisArraySnap();
axisOrientation = Vertical;
}
ZoomInteractor::ZoomInteractor(VisWindowInteractorProxy &vw)
: VisitInteractor(vw)
{
rubberBandMode = false;
shiftKeyDown = controlKeyDown = false;
VisWindow *win = vw;
shouldClampSquare = win->GetInteractorAtts()->GetClampSquare();
shouldDrawGuides = win->GetInteractorAtts()->GetShowGuidelines();
//
// Create the poly data that will map the rubber band onto the screen.
//
rubberBand = vtkPolyData::New();
vtkPoints *pts = vtkPoints::New();
#if defined(__APPLE__) || defined(_WIN32)
pts->SetNumberOfPoints(4);
rubberBand->SetPoints(pts);
pts->Delete();
vtkCellArray *lines = vtkCellArray::New();
vtkIdType ids[] = { 0, 1, 2, 3, 0};
lines->InsertNextCell(5, ids);
rubberBand->SetLines(lines);
lines->Delete();
#else
pts->SetNumberOfPoints(2);
rubberBand->SetPoints(pts);
pts->Delete();
vtkCellArray *lines = vtkCellArray::New();
vtkIdType ids[2] = { 0, 1 };
lines->InsertNextCell(2, ids);
rubberBand->SetLines(lines);
lines->Delete();
#endif
rubberBandMapper = proxy.CreateRubberbandMapper();
rubberBandMapper->SetInput(rubberBand);
rubberBandActor = vtkActor2D::New();
rubberBandActor->SetMapper(rubberBandMapper);
rubberBandActor->GetProperty()->SetColor(0., 0., 0.);
}
void
VisitHotPointInteractor::Start3DMode(INTERACTION_MODE mode)
{
if(!proxy.HasPlots())
{
return;
}
VisWindow *vw = proxy;
const InteractorAttributes *atts=vw->GetInteractorAtts();
VisitInteractor *newInteractor = NULL;
switch(mode)
{
case LINEOUT: // use Navigate until a 3d lineout mode can be implemented.
case NAVIGATE:
if (atts->GetNavigationMode() == InteractorAttributes::Trackball)
{
if(navigate3D == NULL)
{
navigate3D = new Navigate3D(proxy);
}
newInteractor = navigate3D;
}
else if (atts->GetNavigationMode() == InteractorAttributes::Dolly)
{
if(dolly3D == NULL)
{
dolly3D = new Dolly3D(proxy);
}
newInteractor = dolly3D;
}
else
{
if(flyThrough == NULL)
{
flyThrough = new FlyThrough(proxy);
}
newInteractor = flyThrough;
}
break;
case ZONE_PICK: // fall-through
case NODE_PICK:
case SPREADSHEET_PICK:
case DDT_PICK:
if(pick == NULL)
{
pick = new Pick(proxy);
}
newInteractor = pick;
break;
case ZOOM:
if(zoom3D == NULL)
{
zoom3D = new Zoom3D(proxy);
}
newInteractor = zoom3D;
break;
}
if(newInteractor == NULL)
{
//
// We have an invalid navigation mode or an invalid window mode.
//
EXCEPTION1(BadInteractorException, mode);
}
//
// No reason to set the interactor again if it is the same one.
//
if(newInteractor != currentInteractor)
SetInteractor(newInteractor);
}