cxScreenVideoProvider.h

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/*=========================================================================
This file is part of CustusX, an Image Guided Therapy Application.

Copyright (c) 2008-2014, SINTEF Department of Medical Technology
All rights reserved.

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

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   this list of conditions and the following disclaimer.

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   and/or other materials provided with the distribution.

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   may be used to endorse or promote products derived from this software
   without specific prior written permission.

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#ifndef CXSCREENVIDEOPROVIDER_H
#define CXSCREENVIDEOPROVIDER_H

#include <QObject>
#include <QPointer>
#include <QMainWindow>
#include "vtkSmartPointer.h"
#include "cxVisServices.h"
#include "cxForwardDeclarations.h"
#include "cxScreenShotImageWriter.h"

typedef vtkSmartPointer<class vtkWindowToImageFilter> vtkWindowToImageFilterPtr;
typedef vtkSmartPointer<class vtkPNGWriter> vtkPNGWriterPtr;
typedef vtkSmartPointer<class vtkUnsignedCharArray> vtkUnsignedCharArrayPtr;

namespace cx
{

class SecondaryViewLayoutWindow: public QWidget
{
Q_OBJECT

public:
        SecondaryViewLayoutWindow(QWidget* parent, ViewServicePtr viewService);
        ~SecondaryViewLayoutWindow() {}

        void tryShowOnSecondaryScreen();
    int mSecondaryLayoutId;

protected:
        virtual void showEvent(QShowEvent* event);
        virtual void hideEvent(QCloseEvent* event);
        virtual void closeEvent(QCloseEvent *event);
private:
        QString toString(QRect r) const;
        int findSmallestSecondaryScreen();

        ViewServicePtr mViewService;
};

class ScreenVideoProvider : public QObject
{
        Q_OBJECT
public:
        ScreenVideoProvider(VisServicesPtr services);

    class ViewCollectionWidget* getSecondaryLayoutWidget();
    void saveScreenShot(QImage image, QString id);
        QByteArray generatePNGEncoding(QImage image);
        QPixmap grabScreen(unsigned screenid);
    void showSecondaryLayout(QSize size, QString layout);
        QImage grabSecondaryLayout();
    void closeSecondaryLayout();
private:
        VisServicesPtr mServices;
        SecondaryViewLayoutWindow* mSecondaryViewLayoutWindow;
        QPointer<class QWidget> mTopWindow;
        ScreenShotImageWriter mWriter;
        void setWidgetToNiceSizeInLowerRightCorner(QSize size);
};

} // namespace cx


#endif // CXSCREENVIDEOPROVIDER_H