Technical facts

Application type(s)

Desktop application

Operating system(s) or programming environment(s)

Lubuntu 15.04 (vivid)

IDE(s):

Qt Creator 3.1.1

Project type:

GUI application

C++ standard:

C++11

Compiler(s):

G++ 4.9.2

Libraries used:

Qt: version 5.4.1 (32 bit)
STL: GNU ISO C++ Library, version 4.9.2

Qt project file: ./CppQPrinterExample2/CppQPrinterExample2.pro


exists (../../DesktopApplication.pri) {

  include(../../DesktopApplication.pri)

}

!exists (../../DesktopApplication.pri) {

  QT += core

  QT += gui

  greaterThan(QT_MAJOR_VERSION, 4): QT += widgets

  CONFIG   += console

  CONFIG   -= app_bundle

  TEMPLATE = app

  CONFIG(release, debug|release) {

    DEFINES += NDEBUG NTRACE_BILDERBIKKEL

  }

  QMAKE_CXXFLAGS += -std=c++11 -Wall -Wextra -Weffc++

  unix {

    QMAKE_CXXFLAGS += -Werror

  }

}



exists(../../Libraries/Boost.pri) {

  include(../../Libraries/Boost.pri)

}

!exists(../../Libraries/Boost.pri) {

  win32 {

    INCLUDEPATH += \

      ../../Libraries/boost_1_55_0

  }

}



SOURCES += main.cpp \

        dialog.cpp



HEADERS  += dialog.h



FORMS    += dialog.ui

./CppQPrinterExample2/dialog.h


#ifndef DIALOG_H

#define DIALOG_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 <QDialog>

#pragma GCC diagnostic pop



namespace Ui {

  class Dialog;

}



class Dialog : public QDialog

{

  Q_OBJECT



public:

  explicit Dialog(QWidget *parent = 0);

  Dialog(const Dialog&) = delete;

  Dialog& operator=(const Dialog&) = delete;

  ~Dialog();



private slots:

  void on_button_clicked();



private:

  Ui::Dialog *ui;

};



#endif // DIALOG_H

./CppQPrinterExample2/dialog.cpp


#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 <cassert>

#include <QPainter>

#include <QPrinter>

#include <QPrintDialog>

#include <boost/shared_ptr.hpp>

#include "dialog.h"

#include "ui_dialog.h"

#pragma GCC diagnostic pop



Dialog::Dialog(QWidget *parent) :

  QDialog(parent),

  ui(new Ui::Dialog)

{

  ui->setupUi(this);

}



Dialog::~Dialog()

{

  delete ui;

}



void Dialog::on_button_clicked()

{

  const QString filename = "CppQPrinterExample2.pdf";



  //Set up a QPrinter

  QPrinter printer;

  printer.setOutputFormat(QPrinter::PdfFormat);

  printer.setOrientation(QPrinter::Portrait);

  printer.setPaperSize(QPrinter::A4);

  printer.setFullPage(false);

  printer.setOutputFileName(filename);



  //Grab the window

  const QImage image = QPixmap::grabWindow(this->winId()).toImage();



  //Draw the image to painter to printer

  QPainter painter;

  painter.begin(&printer);

  painter.drawImage(0,0,image);

  painter.end();



  //Start the printer

  boost::shared_ptr<QPrintDialog> dialog(new QPrintDialog(&printer));

  dialog->exec();

}

./CppQPrinterExample2/main.cpp


#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 "dialog.h"

#include <QApplication>

#pragma GCC diagnostic pop



int main(int argc, char *argv[])

{

  QApplication a(argc, argv);

  Dialog w;

  w.show();

  return a.exec();

}

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(C++) QPrinterExample2

Technical facts

Qt project file: ./CppQPrinterExample2/CppQPrinterExample2.pro

./CppQPrinterExample2/dialog.h

./CppQPrinterExample2/dialog.cpp

./CppQPrinterExample2/main.cpp