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vtkScalarBarRepresentation.h
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vtkScalarBarRepresentation.h
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/*=========================================================================
Program: Visualization Toolkit
Module: vtkScalarBarRepresentation.h
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.
*/
/**
* @class vtkScalarBarRepresentation
* @brief represent scalar bar for vtkScalarBarWidget
*
*
*
* This class represents a scalar bar for a vtkScalarBarWidget. This class
* provides support for interactively placing a scalar bar on the 2D overlay
* plane. The scalar bar is defined by an instance of vtkScalarBarActor.
*
* One specialty of this class is that if the scalar bar is moved near enough
* to an edge, it's orientation is flipped to match that edge.
*
* @sa
* vtkScalarBarWidget vtkWidgetRepresentation vtkScalarBarActor
*
*/
#ifndef vtkScalarBarRepresentation_h
#define vtkScalarBarRepresentation_h
#include "vtkInteractionWidgetsModule.h" // For export macro
#include "vtkBorderRepresentation.h"
class vtkScalarBarActor;
class VTKINTERACTIONWIDGETS_EXPORT vtkScalarBarRepresentation : public vtkBorderRepresentation
{
public:
vtkTypeMacro(vtkScalarBarRepresentation, vtkBorderRepresentation);
void PrintSelf(ostream &os, vtkIndent indent) override;
static vtkScalarBarRepresentation *New();
//@{
/**
* The prop that is placed in the renderer.
*/
vtkGetObjectMacro(ScalarBarActor, vtkScalarBarActor);
virtual void SetScalarBarActor(vtkScalarBarActor *);
//@}
//@{
/**
* Satisfy the superclass' API.
*/
void BuildRepresentation() override;
void WidgetInteraction(double eventPos[2]) override;
void GetSize(double size[2]) override
{size[0]=2.0; size[1]=2.0;}
//@}
//@{
/**
* These methods are necessary to make this representation behave as
* a vtkProp.
*/
vtkTypeBool GetVisibility() override;
void SetVisibility(vtkTypeBool) override;
void GetActors2D(vtkPropCollection *collection) override;
void ReleaseGraphicsResources(vtkWindow *window) override;
int RenderOverlay(vtkViewport*) override;
int RenderOpaqueGeometry(vtkViewport*) override;
int RenderTranslucentPolygonalGeometry(vtkViewport*) override;
vtkTypeBool HasTranslucentPolygonalGeometry() override;
//@}
//@{
/**
* If true, the orientation will be updated based on the widget's position.
* Default is true.
*/
vtkSetMacro(AutoOrient, bool)
vtkGetMacro(AutoOrient, bool)
//@}
//@{
/**
* Get/Set the orientation.
*/
void SetOrientation(int orient);
int GetOrientation();
//@}
protected:
vtkScalarBarRepresentation();
~vtkScalarBarRepresentation() override;
/**
* Change horizontal <--> vertical orientation, rotate the corners of the
* bar to preserve size, and swap the resize handle locations.
*/
void SwapOrientation();
vtkScalarBarActor *ScalarBarActor;
bool AutoOrient;
private:
vtkScalarBarRepresentation(const vtkScalarBarRepresentation &) = delete;
void operator=(const vtkScalarBarRepresentation &) = delete;
};
#endif //vtkScalarBarRepresentation_h