(C++) QPrinterExample2

 

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

 

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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

 

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#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

 

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#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

 

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#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(); }