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modification, are permitted provided that the following conditions are met:

 * Redistributions of source code must retain the above copyright notice,
   this list of conditions and the following disclaimer.

 * Redistributions in binary form must reproduce the above copyright notice,
   this list of conditions and the following disclaimer in the documentation
   and/or other materials provided with the distribution.

 * Neither the name of Kitware nor the names of any contributors may be used
   to endorse or promote products derived from this software without specific
   prior written permission.

 * Modified source versions must be plainly marked as such, and must not be
   misrepresented as being the original software.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR
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=========================================================================*/
// .NAME vtkKWProgressGauge - a progress bar widget
// .SECTION Description
// A simple widget used for displaying a progress bar with a percent value
// text in the center of the widget.

#ifndef __vtkKWProgressGauge_h
#define __vtkKWProgressGauge_h

#include "vtkKWWidget.h"
class vtkKWApplication;

class VTK_EXPORT vtkKWProgressGauge : public vtkKWWidget
{
public:
  static vtkKWProgressGauge* New();
  vtkTypeRevisionMacro(vtkKWProgressGauge,vtkKWWidget);
  void PrintSelf(ostream& os, vtkIndent indent);

  // Description:
  // Create a Tk widget
  virtual void Create(vtkKWApplication *app, char *args);

  // Description:
  // Set and get the length and width of the widget
  vtkSetMacro(Length, int);
  vtkGetMacro(Length, int);
  void SetHeight(int height);
  vtkGetMacro(Height, int);
  
  // Description:
  // Set the percentage displayed.  This number is forced to be in
  // the range 0 to 100.
  void SetValue(int value);
  
  // Description:
  // Set the color of the progress bar, the default is blue.
  vtkSetStringMacro(BarColor);
  vtkGetStringMacro(BarColor);

  // Description:
  // Set get the color of the background, the default is gray.
  vtkSetStringMacro(BackgroundColor);
  vtkGetStringMacro(BackgroundColor);

protected:
  vtkKWProgressGauge();
  ~vtkKWProgressGauge();
private:
  int Length;
  int Height;
  char* BarColor;
  char* BackgroundColor;
  int Value;
private:
  vtkKWProgressGauge(const vtkKWProgressGauge&); // Not implemented
  void operator=(const vtkKWProgressGauge&); // Not implemented
};


#endif

