QmitkMemoryUsageIndicatorView.h

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/*============================================================================
 
The Medical Imaging Interaction Toolkit (MITK)
 
Copyright (c) German Cancer Research Center (DKFZ)
All rights reserved.
 
Use of this source code is governed by a 3-clause BSD license that can be
found in the LICENSE file.
 
============================================================================*/
 
#ifndef QmitkMemoryUsageIndicatorView_h
#define QmitkMemoryUsageIndicatorView_h
 
#include <MitkQtWidgetsExports.h>
 
#include <QWidget>
 
#include <array>
#include <utility>
#include <memory>
 
namespace Ui
{
  class QmitkMemoryUsageIndicator;
}
 
class MITKQTWIDGETS_EXPORT QmitkMemoryUsageIndicatorView : public QWidget
{
  Q_OBJECT
 
public:
  QmitkMemoryUsageIndicatorView(QWidget* parent = nullptr);
  ~QmitkMemoryUsageIndicatorView() override;
 
private:
  void UpdateMemoryUsage();
  std::string FormatMemorySize(size_t size);
  std::string FormatPercentage(double val);
  std::string GetMemoryDescription(size_t processSize, float percentage);
 
  std::unique_ptr<Ui::QmitkMemoryUsageIndicator> m_Ui;
  size_t m_PreviousState;
  std::array<std::pair<float, QPixmap>, 4> m_States;
};
 
#endif