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/*=========================================================================
Program: Visualization Toolkit
Module: vtkScalarBarRepresentation.cxx
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm 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.
=========================================================================*/
/*
* Copyright 2008 Sandia Corporation.
* Under the terms of Contract DE-AC04-94AL85000, there is a non-exclusive
* license for use of this work by or on behalf of the
* U.S. Government. Redistribution and use in source and binary forms, with
* or without modification, are permitted provided that this Notice and any
* statement of authorship are reproduced on all copies.
*/
#include "vtkScalarBarRepresentation.h"
#include "vtkObjectFactory.h"
#include "vtkPropCollection.h"
#include "vtkScalarBarActor.h"
#include "vtkSmartPointer.h"
#include "vtkTextProperty.h"
//=============================================================================
vtkStandardNewMacro(vtkScalarBarRepresentation);
//-----------------------------------------------------------------------------
vtkScalarBarRepresentation::vtkScalarBarRepresentation()
{
this->PositionCoordinate->SetValue(0.82, 0.1);
this->Position2Coordinate->SetValue(0.17, 0.8);
this->ScalarBarActor = NULL;
vtkScalarBarActor *actor = vtkScalarBarActor::New();
this->SetScalarBarActor(actor);
actor->Delete();
this->ShowBorder = vtkBorderRepresentation::BORDER_ACTIVE;
this->BWActor->VisibilityOff();
}
//-----------------------------------------------------------------------------
vtkScalarBarRepresentation::~vtkScalarBarRepresentation()
{
this->SetScalarBarActor(NULL);
}
//-----------------------------------------------------------------------------
void vtkScalarBarRepresentation::SetScalarBarActor(vtkScalarBarActor* actor)
{
if (this->ScalarBarActor != actor)
{
vtkSmartPointer<vtkScalarBarActor> oldActor = this->ScalarBarActor;
vtkSetObjectBodyMacro(ScalarBarActor, vtkScalarBarActor, actor);
if (actor && oldActor)
{
actor->SetOrientation(oldActor->GetOrientation());
}
}
}
//-----------------------------------------------------------------------------
void vtkScalarBarRepresentation::PrintSelf(ostream &os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
os << indent << "ScalarBarActor: " << this->ScalarBarActor << endl;
}
//-----------------------------------------------------------------------------
void vtkScalarBarRepresentation::SetOrientation(int orientation)
{
if (this->ScalarBarActor)
{
this->ScalarBarActor->SetOrientation(orientation);
}
}
//-----------------------------------------------------------------------------
int vtkScalarBarRepresentation::GetOrientation()
{
if (this->ScalarBarActor)
{
return this->ScalarBarActor->GetOrientation();
}
vtkErrorMacro("No scalar bar");
return 0;
}
//-----------------------------------------------------------------------------
void vtkScalarBarRepresentation::BuildRepresentation()
{
if (this->ScalarBarActor)
{
this->ScalarBarActor->SetPosition(this->GetPosition());
this->ScalarBarActor->SetPosition2(this->GetPosition2());
}
this->Superclass::BuildRepresentation();
}
//-----------------------------------------------------------------------------
void vtkScalarBarRepresentation::WidgetInteraction(double eventPos[2])
{
// Let superclass move things around.
this->Superclass::WidgetInteraction(eventPos);
// Check to see if we need to change the orientation.
double *fpos1 = this->PositionCoordinate->GetValue();
double *fpos2 = this->Position2Coordinate->GetValue();
double par1[2];
double par2[2];
par1[0] = fpos1[0];
par1[1] = fpos1[1];
par2[0] = fpos1[0] + fpos2[0];
par2[1] = fpos1[1] + fpos2[1];
double center[2];
center[0] = fpos1[0] + 0.5*fpos2[0];
center[1] = fpos1[1] + 0.5*fpos2[1];
bool orientationSwapped = false;
if (fabs(center[0] - 0.5) > 0.2+fabs(center[1] - 0.5))
{
// Close enough to left/right to be swapped to vertical
if (this->ScalarBarActor->GetOrientation() == VTK_ORIENT_HORIZONTAL)
{
this->ScalarBarActor->SetOrientation(VTK_ORIENT_VERTICAL);
orientationSwapped = true;
}
}
else if (fabs(center[1] - 0.5) > 0.2+fabs(center[0] - 0.5))
{
// Close enough to left/right to be swapped to horizontal
if (this->ScalarBarActor->GetOrientation() == VTK_ORIENT_VERTICAL)
{
this->ScalarBarActor->SetOrientation(VTK_ORIENT_HORIZONTAL);
orientationSwapped = true;
}
}
if (orientationSwapped)
{
// Change the corners to effectively rotate 90 degrees.
par2[0] = center[0] + center[1] - par1[1];
par2[1] = center[1] + center[0] - par1[0];
par1[0] = 2*center[0] - par2[0];
par1[1] = 2*center[1] - par2[1];
this->PositionCoordinate->SetValue(par1[0],par1[1]);
this->Position2Coordinate->SetValue(par2[0] - par1[0], par2[1] - par1[1]);
this->Modified();
this->BuildRepresentation();
}
}
//-----------------------------------------------------------------------------
void vtkScalarBarRepresentation::GetActors2D(vtkPropCollection *collection)
{
if (this->ScalarBarActor)
{
collection->AddItem(this->ScalarBarActor);
}
this->Superclass::GetActors2D(collection);
}
//-----------------------------------------------------------------------------
void vtkScalarBarRepresentation::ReleaseGraphicsResources(vtkWindow *w)
{
if (this->ScalarBarActor)
{
this->ScalarBarActor->ReleaseGraphicsResources(w);
}
this->Superclass::ReleaseGraphicsResources(w);
}
//-------------------------------------------------------------------------
int vtkScalarBarRepresentation::RenderOverlay(vtkViewport *w)
{
int count = this->Superclass::RenderOverlay(w);
if (this->ScalarBarActor)
{
count += this->ScalarBarActor->RenderOverlay(w);
}
return count;
}
//-------------------------------------------------------------------------
int vtkScalarBarRepresentation::RenderOpaqueGeometry(vtkViewport *w)
{
int count = this->Superclass::RenderOpaqueGeometry(w);
if (this->ScalarBarActor)
{
count += this->ScalarBarActor->RenderOpaqueGeometry(w);
}
return count;
}
//-------------------------------------------------------------------------
int vtkScalarBarRepresentation::RenderTranslucentPolygonalGeometry(
vtkViewport *w)
{
int count = this->Superclass::RenderTranslucentPolygonalGeometry(w);
if (this->ScalarBarActor)
{
count += this->ScalarBarActor->RenderTranslucentPolygonalGeometry(w);
}
return count;
}
//-------------------------------------------------------------------------
int vtkScalarBarRepresentation::HasTranslucentPolygonalGeometry()
{
int result = this->Superclass::HasTranslucentPolygonalGeometry();
if (this->ScalarBarActor)
{
result |= this->ScalarBarActor->HasTranslucentPolygonalGeometry();
}
return result;
}
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