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/*=========================================================================
Program: ParaView
Module: vtkPVCameraKeyFrame.cxx
Copyright (c) Kitware, Inc.
All rights reserved.
See Copyright.txt or http://www.paraview.org/HTML/Copyright.html for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
#include "vtkPVCameraKeyFrame.h"
#include "vtkCamera.h"
#include "vtkCameraInterpolator2.h"
#include "vtkObjectFactory.h"
#include "vtkPVCameraCueManipulator.h"
#include "vtkPVCameraAnimationCue.h"
#include "vtkPVKeyFrame.h"
#include <assert.h>
vtkStandardNewMacro(vtkPVCameraKeyFrame);
//----------------------------------------------------------------------------
vtkPVCameraKeyFrame::vtkPVCameraKeyFrame()
{
this->Camera = vtkCamera::New();
this->Interpolator = vtkCameraInterpolator2::New();
}
//----------------------------------------------------------------------------
vtkPVCameraKeyFrame::~vtkPVCameraKeyFrame()
{
this->Camera->Delete();
this->Interpolator->Delete();
}
//----------------------------------------------------------------------------
void vtkPVCameraKeyFrame::SetPosition(double x, double y, double z)
{
this->Camera->SetPosition(x, y, z);
}
//----------------------------------------------------------------------------
void vtkPVCameraKeyFrame::SetFocalPoint(double x, double y, double z)
{
this->Camera->SetFocalPoint(x, y, z);
}
//----------------------------------------------------------------------------
void vtkPVCameraKeyFrame::SetViewUp(double x, double y, double z)
{
this->Camera->SetViewUp(x, y, z);
}
//----------------------------------------------------------------------------
void vtkPVCameraKeyFrame::SetViewAngle(double angle)
{
this->Camera->SetViewAngle(angle);
}
//----------------------------------------------------------------------------
void vtkPVCameraKeyFrame::SetParallelScale(double scale)
{
this->Camera->SetParallelScale(scale);
}
//----------------------------------------------------------------------------
void vtkPVCameraKeyFrame::UpdateValue( double currenttime,
vtkPVAnimationCue* cue,
vtkPVKeyFrame* next)
{
vtkPVCameraAnimationCue* cameraCue =
vtkPVCameraAnimationCue::SafeDownCast(cue);
if (!cameraCue)
{
vtkErrorMacro("This keyframe can only be added to "
"vtkPVCameraCueManipulator.");
return;
}
if (!cameraCue->GetCamera())
{
return;
}
if (next == this)
{
assert(currenttime == 0.0);
// Happens for the last keyframe. In PATH based animations, the last
// keyframe is bogus, we really want to the previous keyframe to handle
// this. So we do that.
vtkPVCameraCueManipulator* manip;
manip = vtkPVCameraCueManipulator::SafeDownCast(cue->GetManipulator());
if (manip)
{
vtkPVKeyFrame* kf = manip->GetPreviousKeyFrame(this);
if (kf && kf != this)
{
kf->UpdateValue(1.0, cue, this);
return;
}
}
}
// Local vars
vtkCamera* camera = vtkCamera::New();
camera->ShallowCopy(this->Camera);
this->Interpolator->InterpolateCamera(currenttime, camera);
// Apply changes
cue->BeginUpdateAnimationValues();
vtkCamera* animatedCamera = cameraCue->GetCamera();
animatedCamera->SetPosition(camera->GetPosition());
animatedCamera->SetFocalPoint(camera->GetFocalPoint());
animatedCamera->SetViewUp(camera->GetViewUp());
animatedCamera->SetViewAngle(camera->GetViewAngle());
animatedCamera->SetParallelScale(camera->GetParallelScale());
cue->EndUpdateAnimationValues();
camera->Delete();
}
//----------------------------------------------------------------------------
void vtkPVCameraKeyFrame::AddPositionPathPoint(double x, double y, double z)
{
this->Interpolator->AddPositionPathPoint(x, y, z);
this->Modified();
}
//----------------------------------------------------------------------------
void vtkPVCameraKeyFrame::ClearPositionPath()
{
this->Interpolator->ClearPositionPath();
this->Modified();
}
//----------------------------------------------------------------------------
void vtkPVCameraKeyFrame::AddFocalPathPoint(double x, double y, double z)
{
this->Interpolator->AddFocalPathPoint(x, y, z);
this->Modified();
}
//----------------------------------------------------------------------------
void vtkPVCameraKeyFrame::ClearFocalPath()
{
this->Interpolator->ClearFocalPath();
this->Modified();
}
//----------------------------------------------------------------------------
void vtkPVCameraKeyFrame::SetFocalPointMode(int val)
{
this->Interpolator->SetFocalPointMode(val);
this->Modified();
}
//----------------------------------------------------------------------------
void vtkPVCameraKeyFrame::SetPositionMode(int val)
{
this->Interpolator->SetPositionMode(val);
this->Modified();
}
//----------------------------------------------------------------------------
void vtkPVCameraKeyFrame::SetClosedFocalPath(bool val)
{
this->Interpolator->SetClosedFocalPath(val);
this->Modified();
}
//----------------------------------------------------------------------------
void vtkPVCameraKeyFrame::SetClosedPositionPath(bool val)
{
this->Interpolator->SetClosedPositionPath(val);
this->Modified();
}
//----------------------------------------------------------------------------
void vtkPVCameraKeyFrame::PrintSelf(ostream &os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
os << indent << "Camera: " << this->Camera << endl;
}
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