Technical facts

./CppGrabber/CppGrabber.pri


INCLUDEPATH += \

    ../../Classes/CppGrabber



SOURCES += \

    ../../Classes/CppGrabber/grabber.cpp



HEADERS  += \

    ../../Classes/CppGrabber/grabber.h



OTHER_FILES += \

    ../../Classes/CppCounter/Licence.txt

./CppGrabber/grabber.h


#ifndef GRABBER_H

#define GRABBER_H



#pragma GCC diagnostic push

#pragma GCC diagnostic ignored "-Weffc++"

#pragma GCC diagnostic ignored "-Wunused-local-typedefs"

#pragma GCC diagnostic ignored "-Wunused-but-set-parameter"

#include <string>

#include <vector>



#include <QObject>

#pragma GCC diagnostic pop



namespace ribi {



struct Grabber : public QObject

{

  Q_OBJECT



  public:

  Grabber(

    const int win_id,

    const std::string& filename = "screengrab.png"

  );

  ~Grabber() noexcept;



  public slots:

  void Grab() const noexcept;



  static std::string GetVersion() noexcept;

  static std::vector<std::string> GetVersionHistory() noexcept;



  private:

  const std::string m_filename;

  const int m_win_id;



  #ifndef NDEBUG

  static void Test() noexcept;

  #endif



};



} //~namespace ribi



#endif // GRABBER_H

./CppGrabber/grabber.cpp


#include "grabber.h"



#pragma GCC diagnostic push

#pragma GCC diagnostic ignored "-Weffc++"

#pragma GCC diagnostic ignored "-Wunused-local-typedefs"

#pragma GCC diagnostic ignored "-Wunused-but-set-parameter"

#include <QImage>

#include <QPixmap>



#include "testtimer.h"

#include "trace.h"

#pragma GCC diagnostic pop



ribi::Grabber::Grabber(

  const int win_id,

  const std::string& filename

)

  : m_filename{filename},

    m_win_id{win_id}

{



}



ribi::Grabber::~Grabber() noexcept

{



}



std::string ribi::Grabber::GetVersion() noexcept

{

  return "1.0";

}



std::vector<std::string> ribi::Grabber::GetVersionHistory() noexcept

{

  return {

    "2014-08-04: Version 1.0: initial version",

  };

}



void ribi::Grabber::Grab() const noexcept

{

  const QImage screenshot{QPixmap::grabWindow(m_win_id).toImage()};

  screenshot.save(m_filename.c_str());

}



#ifndef NDEBUG

void ribi::Grabber::Test() noexcept

{

  {

    static bool is_tested{false};

    if (is_tested) return;

    is_tested = true;

  }

  const TestTimer test_timer(__func__,__FILE__,1.0);

  const bool verbose{false};

  if (verbose) { TRACE("Default-construction of Grabber"); }

  {

    const Grabber g(0);

  }

}

#endif

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Technical facts

./CppGrabber/CppGrabber.pri

./CppGrabber/grabber.h

./CppGrabber/grabber.cpp