cxScreenShotImageWriter.cpp

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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.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

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

2. 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.

3. Neither the name of the copyright holder nor the names of its contributors
   may be used to endorse or promote products derived from this software
   without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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=========================================================================*/
#include "cxScreenShotImageWriter.h"


#include <QPixmap>
#include "cxPatientModelService.h"
#include <QtConcurrent>
#include <QDesktopWidget>
#include <QApplication>
#include "cxReporter.h"
#include "boost/bind.hpp"
#include <QScreen>
#include <QVBoxLayout>
#include "cxViewService.h"
//#include "cxSecondaryViewLayoutWindow.h"
#include "cxViewCollectionWidget.h"
#include "vtkRenderer.h"
#include "vtkWindowToImageFilter.h"
#include "vtkRenderWindow.h"
#include "vtkPNGWriter.h"
#include "vtkUnsignedCharArray.h"
#include <QPainter>
//#include "cxViewCollectionImageWriter.h"

namespace cx
{

namespace // unnamed
{
void saveScreenShotThreaded(QImage pixmap, QString filename)
{
        pixmap.save(filename, "png");
        report("Saved screenshot to " + filename);
        reporter()->playScreenShotSound();
}
} // unnamed ns

ScreenShotImageWriter::ScreenShotImageWriter(PatientModelServicePtr patient) :
        mPatient(patient)
{
}

void ScreenShotImageWriter::grabAllScreensToFile()
{
        QDesktopWidget* desktop = qApp->desktop();
        QList<QScreen*> screens = qApp->screens();

        for (int i=0; i<desktop->screenCount(); ++i)
        {
                QPixmap pm = this->grab(i);
                QString name = this->getName(i);
                this->save(pm.toImage(), name);
        }
}

void ScreenShotImageWriter::save(QImage image, QString id)
{
        QString ending = "png";
        if (!id.isEmpty())
                ending = id + "." + ending;
        QString path = mPatient->generateFilePath("Screenshots", ending);
        QtConcurrent::run(boost::bind(&saveScreenShotThreaded, image, path));
}

QPixmap ScreenShotImageWriter::grab(unsigned screenid)
{
        QDesktopWidget* desktop = qApp->desktop();
        QList<QScreen*> screens = qApp->screens();

        QWidget* screenWidget = desktop->screen(screenid);
        WId screenWinId = screenWidget->winId();
        QRect geo = desktop->screenGeometry(screenid);
//      QString name = "";
//      if (desktop->screenCount()>1)
//      {
//              name = screens[screenid]->name().split(" ").join("");
//              //On windows screens[i]->name() is "\\.\DISPLAY1",
//              //Have to remove unvalid chars for the filename
//              name.replace("\\", "");
//              name.replace(".", "");
//      }
        QPixmap pixmap = screens[screenid]->grabWindow(screenWinId, geo.left(), geo.top(), geo.width(), geo.height());
        return pixmap;
}

QString ScreenShotImageWriter::getName(unsigned screenid)
{
        QDesktopWidget* desktop = qApp->desktop();
        QList<QScreen*> screens = qApp->screens();

        QString name = "";
        if (desktop->screenCount()>1)
        {
                name = screens[screenid]->name().split(" ").join("");
                //On windows screens[i]->name() is "\\.\DISPLAY1",
                //Have to remove unvalid chars for the filename
                name.replace("\\", "");
                name.replace(".", "");
        }
        return name;
}

} // namespace cx