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130 lines
3.7 KiB
C++
130 lines
3.7 KiB
C++
/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkScalarBarRepresentation.h
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Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
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All rights reserved.
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See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notice for more information.
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=========================================================================*/
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/*
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* Copyright 2008 Sandia Corporation.
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* Under the terms of Contract DE-AC04-94AL85000, there is a non-exclusive
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* license for use of this work by or on behalf of the
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* U.S. Government. Redistribution and use in source and binary forms, with
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* or without modification, are permitted provided that this Notice and any
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* statement of authorship are reproduced on all copies.
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*/
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/**
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* @class vtkScalarBarRepresentation
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* @brief represent scalar bar for vtkScalarBarWidget
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*
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*
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*
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* This class represents a scalar bar for a vtkScalarBarWidget. This class
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* provides support for interactively placing a scalar bar on the 2D overlay
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* plane. The scalar bar is defined by an instance of vtkScalarBarActor.
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*
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* One specialty of this class is that if the scalar bar is moved near enough
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* to an edge, it's orientation is flipped to match that edge.
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*
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* @sa
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* vtkScalarBarWidget vtkWidgetRepresentation vtkScalarBarActor
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*
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*/
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#ifndef vtkScalarBarRepresentation_h
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#define vtkScalarBarRepresentation_h
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#include "vtkBorderRepresentation.h"
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#include "vtkInteractionWidgetsModule.h" // For export macro
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class vtkScalarBarActor;
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class VTKINTERACTIONWIDGETS_EXPORT vtkScalarBarRepresentation : public vtkBorderRepresentation
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{
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public:
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vtkTypeMacro(vtkScalarBarRepresentation, vtkBorderRepresentation);
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void PrintSelf(ostream& os, vtkIndent indent) override;
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static vtkScalarBarRepresentation* New();
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//@{
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/**
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* The prop that is placed in the renderer.
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*/
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vtkGetObjectMacro(ScalarBarActor, vtkScalarBarActor);
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virtual void SetScalarBarActor(vtkScalarBarActor*);
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//@}
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//@{
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/**
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* Satisfy the superclass' API.
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*/
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void BuildRepresentation() override;
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void WidgetInteraction(double eventPos[2]) override;
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void GetSize(double size[2]) override
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{
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size[0] = 2.0;
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size[1] = 2.0;
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}
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//@}
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//@{
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/**
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* These methods are necessary to make this representation behave as
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* a vtkProp.
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*/
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vtkTypeBool GetVisibility() override;
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void SetVisibility(vtkTypeBool) override;
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void GetActors2D(vtkPropCollection* collection) override;
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void ReleaseGraphicsResources(vtkWindow* window) override;
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int RenderOverlay(vtkViewport*) override;
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int RenderOpaqueGeometry(vtkViewport*) override;
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int RenderTranslucentPolygonalGeometry(vtkViewport*) override;
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vtkTypeBool HasTranslucentPolygonalGeometry() override;
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//@}
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//@{
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/**
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* If true, the orientation will be updated based on the widget's position.
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* Default is true.
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*/
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vtkSetMacro(AutoOrient, bool);
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vtkGetMacro(AutoOrient, bool);
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//@}
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//@{
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/**
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* Get/Set the orientation.
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*/
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void SetOrientation(int orient);
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int GetOrientation();
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//@}
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protected:
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vtkScalarBarRepresentation();
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~vtkScalarBarRepresentation() override;
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/**
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* Change horizontal <--> vertical orientation, rotate the corners of the
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* bar to preserve size, and swap the resize handle locations.
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*/
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void SwapOrientation();
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vtkScalarBarActor* ScalarBarActor;
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bool AutoOrient;
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private:
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vtkScalarBarRepresentation(const vtkScalarBarRepresentation&) = delete;
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void operator=(const vtkScalarBarRepresentation&) = delete;
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};
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#endif // vtkScalarBarRepresentation_h
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