vtkColorLegend.h

Go to the documentation of this file.

/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkColorLegend.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.
 
=========================================================================*/
 
#ifndef vtkColorLegend_h
#define vtkColorLegend_h
 
#include "vtkChartsCoreModule.h" // For export macro
#include "vtkChartLegend.h"
#include "vtkSmartPointer.h" // For SP ivars
#include "vtkVector.h"       // For vtkRectf
 
class vtkAxis;
class vtkContextMouseEvent;
class vtkImageData;
class vtkScalarsToColors;
class vtkCallbackCommand;
 
class VTKCHARTSCORE_EXPORT vtkColorLegend: public vtkChartLegend
{
public:
  vtkTypeMacro(vtkColorLegend, vtkChartLegend);
  virtual void PrintSelf(ostream &os, vtkIndent indent);
  static vtkColorLegend* New();
 
 
  enum {
    VERTICAL = 0,
    HORIZONTAL
  };
 
  virtual void GetBounds(double bounds[4]);
 
  virtual void Update();
 
  virtual bool Paint(vtkContext2D *painter);
 
 
  virtual void SetTransferFunction(vtkScalarsToColors* transfer);
  virtual vtkScalarsToColors * GetTransferFunction();
 
  virtual void SetPoint(float x, float y);
 
  virtual void SetTextureSize(float w, float h);
 
  virtual void SetPosition(const vtkRectf& pos);
 
  virtual vtkRectf GetPosition();
 
  vtkRectf GetBoundingRect(vtkContext2D* painter);
 
 
  virtual void SetOrientation(int orientation);
  vtkGetMacro(Orientation, int);
 
 
  virtual void SetTitle(const vtkStdString &title);
  virtual vtkStdString GetTitle();
 
 
  vtkSetMacro(DrawBorder, bool);
  vtkGetMacro(DrawBorder, bool);
  vtkBooleanMacro(DrawBorder, bool);
 
  virtual bool MouseMoveEvent(const vtkContextMouseEvent &mouse);
 
protected:
  vtkColorLegend();
  virtual ~vtkColorLegend();
 
  virtual void ComputeTexture();
 
 
  virtual void ScalarsToColorsModified(vtkObject* caller, unsigned long eid,
                                       void* calldata);
  static void OnScalarsToColorsModified(vtkObject* caller, unsigned long eid,
                                        void *clientdata, void* calldata);
 
  void UpdateAxisPosition();
 
  vtkScalarsToColors*                 TransferFunction;
  vtkSmartPointer<vtkImageData>       ImageData;
  vtkSmartPointer<vtkAxis>            Axis;
  vtkSmartPointer<vtkCallbackCommand> Callback;
  bool                                Interpolate;
  bool                                CustomPositionSet;
  bool                                DrawBorder;
  vtkRectf                            Position;
  int                                 Orientation;
 
private:
  vtkColorLegend(const vtkColorLegend &); // Not implemented.
  void operator=(const vtkColorLegend &);   // Not implemented.
};
 
#endif