QmitkOpenCVVideoControls.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 QmitkOpenCVVideoControls_h
#define QmitkOpenCVVideoControls_h

#include <ui_QmitkOpenCVVideoControls.h>
#include <MitkOpenCVVideoSupportUIExports.h>
#include <mitkPropertyListReplacedObserver.h>

#include "opencv2/core.hpp"

class QmitkRenderWindow;
class QmitkVideoBackground;
namespace mitk
{
  class VideoSource;
  class OpenCVVideoSource;
}

class QmitkOpenCVVideoControlsPrivate;

class MITKOPENCVVIDEOSUPPORTUI_EXPORT QmitkOpenCVVideoControls : public QWidget, public mitk::PropertyListReplacedObserver
{
  Q_OBJECT

public:
  QmitkOpenCVVideoControls(QmitkVideoBackground* _VideoBackground, QmitkRenderWindow* _RenderWindow
    , QWidget* parent = nullptr, Qt::WindowFlags f = nullptr);

  ~QmitkOpenCVVideoControls() override;

  void SetRenderWindow(QmitkRenderWindow* _RenderWindow);

  QmitkRenderWindow* GetRenderWindow() const;

  void SetVideoBackground(QmitkVideoBackground* _VideoBackground);

  QmitkVideoBackground* GetVideoBackground() const;

  void AfterPropertyListReplaced(const std::string& id, mitk::PropertyList* propertyList) override;

signals:
  void NewOpenCVFrameAvailable(const IplImage*);

  protected slots:
  void on_UseGrabbingDeviceButton_clicked(bool checked = false);
  void on_UseVideoFileButton_clicked(bool checked = false);
  void on_VideoProgressSlider_sliderPressed();
  void on_VideoProgressSlider_sliderReleased();
  void on_VideoProgressSlider_valueChanged(int value);
  void on_RepeatVideoButton_clicked(bool checked = false);
  void on_PlayButton_clicked(bool checked = false);
  void on_StopButton_clicked(bool checked = false);
  void Play();
  void Stop();
  void Reset();
  void IsPlaying(bool paused);
  void QObjectDestroyed(QObject * obj = nullptr);

  void NewFrameAvailable(mitk::VideoSource* videoSource);
  void EndOfVideoSourceReached(mitk::VideoSource* videoSource);

protected:
  QmitkVideoBackground* m_VideoBackground;
  QmitkRenderWindow* m_RenderWindow;
  mitk::OpenCVVideoSource* m_VideoSource;
  Ui::QmitkOpenCVVideoControls* m_Controls;
  bool m_SliderCurrentlyMoved;

private:

  friend class QmitkOpenCVVideoControlsPrivate;

  QScopedPointer<QmitkOpenCVVideoControlsPrivate> d;
};

#endif