GUI/Widgets/vtkKWHSVColorSelector.h

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/*=========================================================================

  Module:    $RCSfile: vtkKWHSVColorSelector.h,v $

  Copyright (c) Kitware, Inc.
  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 __vtkKWHSVColorSelector_h
#define __vtkKWHSVColorSelector_h

#include "vtkKWCompositeWidget.h"

class vtkKWCanvas;
class vtkKWLabel;

class KWWIDGETS_EXPORT vtkKWHSVColorSelector : public vtkKWCompositeWidget
{
public:
  static vtkKWHSVColorSelector* New();
  vtkTypeRevisionMacro(vtkKWHSVColorSelector,vtkKWCompositeWidget);
  void PrintSelf(ostream& os, vtkIndent indent);

  virtual void Create(vtkKWApplication *app);


  virtual void SetHueSatWheelRadius(int);
  vtkGetMacro(HueSatWheelRadius, int);
  

  virtual void SetValueBoxWidth(int);
  vtkGetMacro(ValueBoxWidth, int);
  

  virtual void SetHueSatCursorRadius(int);
  vtkGetMacro(HueSatCursorRadius, int);


  virtual void SetValueCursorMargin(int);
  vtkGetMacro(ValueCursorMargin, int);


  vtkGetVector3Macro(SelectedColor, double);
  virtual void SetSelectedColor(double h, double s, double v);
  virtual void SetSelectedColor(double hsv[3])
    { this->SetSelectedColor(hsv[0], hsv[1], hsv[2]); };
  virtual void ClearSelection();
  virtual int  HasSelection();


  vtkSetMacro(ModificationOnly, int);
  vtkGetMacro(ModificationOnly, int);
  vtkBooleanMacro(ModificationOnly, int);


  virtual void SetHideValue(int);
  vtkGetMacro(HideValue, int);
  vtkBooleanMacro(HideValue, int);


  virtual void SetSelectionChangedCommand(
    vtkObject* object, const char *method);
  virtual void SetSelectionChangingCommand(
    vtkObject* object, const char *method);
  virtual void InvokeSelectionChangedCommand();
  virtual void InvokeSelectionChangingCommand();


  vtkSetMacro(InvokeCommandsWithRGB, int);
  vtkGetMacro(InvokeCommandsWithRGB, int);
  vtkBooleanMacro(InvokeCommandsWithRGB, int);

  virtual void SetBalloonHelpString(const char *str);


  virtual void HueSatPickCallback(int x, int y);
  virtual void HueSatMoveCallback(int x, int y);
  virtual void HueSatReleaseCallback();
  virtual void ValuePickCallback(int x, int y);
  virtual void ValueMoveCallback(int x, int y);
  virtual void ValueReleaseCallback();


  vtkGetObjectMacro(HueSatWheelCanvas, vtkKWCanvas);
  vtkGetObjectMacro(ValueBoxCanvas, vtkKWCanvas);

  virtual void Update();

  virtual void UpdateEnableState();

protected:
  vtkKWHSVColorSelector();
  ~vtkKWHSVColorSelector();

  int    HueSatWheelRadius;
  int    HueSatCursorRadius;
  int    ValueBoxWidth;
  int    ValueCursorMargin;
  int    Selected;
  double SelectedColor[3];
  int    ModificationOnly;
  int    InvokeCommandsWithRGB;
  int    HideValue;
  double PreviouslySelectedColor[3];

  // Commands

  char *SelectionChangedCommand;
  char *SelectionChangingCommand;

  virtual void InvokeCommand(const char *command);

  // GUI

  vtkKWCanvas *HueSatWheelCanvas;
  vtkKWCanvas *ValueBoxCanvas;
  vtkKWLabel  *HueSatLabel;
  vtkKWLabel  *ValueLabel;


  virtual void Bind();
  virtual void UnBind();

  virtual void Pack();


  virtual void Redraw();
  virtual void RedrawHueSatWheelCanvas();
  virtual void UpdateHueSatWheelImage();
  virtual void UpdateHueSatWheelSelection();
  virtual void RedrawValueBoxCanvas();
  virtual void UpdateValueBoxImage();
  virtual void UpdateValueBoxSelection();

  virtual int GetHueSatFromCoordinates(int x, int y, double &hue, double &sat);

  virtual void GetValueFromCoordinate(int y, double &value);

  virtual int CanvasHasTag(const char *canvas, const char *tag);

private:
  vtkKWHSVColorSelector(const vtkKWHSVColorSelector&); // Not implemented
  void operator=(const vtkKWHSVColorSelector&); // Not implemented
};

#endif

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