QPrinter runtime error - c++

Question

EDIT: I managed to get a compiling and non crashing version. The only thing left is to get the desired output, however this particular question (why it crashes) has been answered so I am closing the question. I will post the working code before the broken one.
Good day! I am trying to create a small example that will simply create a pdf document. Everything compiles, however when the program starts it simply crashes. I am using Qt version 5.0.0
---New working code---
int main( int argc, char **argv )
{
QApplication app( argc, argv );
QTextDocument doc;
doc.setHtml( "<p>A QTextDocument can be used to present formatted text "
"in a nice way.</p>"
"<p align=center>It can be <b>formatted</b> "
"<font size=+2>in</font> <i>different</i> ways.</p>"
"<p>The text can be really long and contain many "
"paragraphs. It is properly wrapped and such...</p>" );
QPrinter printer;
printer.setOutputFileName("C:\\Users\\SameTime\\Desktop\\Cutie\\PDFPrintMaybe");
printer.setOutputFormat(QPrinter::PdfFormat);
doc.print(&printer);
printer.newPage();
return 0;
}
Here is the project code:
#-------------------------------------------------
#
# Project created by QtCreator 2013-06-08T10:07:11
#
#-------------------------------------------------
QT += core
QT -= gui
QT += printsupport
TARGET = PDFPrintMaybe
CONFIG += console
CONFIG -= app_bundle
TEMPLATE = app
SOURCES += main.cpp
----Old code with error---
And here is the main cpp:
#include <QCoreApplication>
#include <QTextDocument>
#include <QPrinter>
int main(int argc, char *argv[])
{
QCoreApplication a(argc, argv);
QTextDocument doc;
doc.setHtml("<h1>Testing, testing, is this thing on?!</h1>");
QPrinter printer;
printer.setOutputFileName("C:\\Users\\SameTime\\Desktop\\Cutie\\PDFPrintMaybe");
printer.setOutputFormat(QPrinter::PdfFormat);
doc.print(&printer);
printer.newPage();
return a.exec();
}
I am a bit at a loss since it is compiling but crashing (almost) instantly when ran.

Answer 1

Try to create the objects on the heap otherwise they get automatically deleted when they ran out of scope, then the framework probably tries to delete them again and crashes.
QTextDocument *doc = new QTextDocument();
doc->setHtml("<h1>Testing, testing, is this thing on?!</h1>");
QPrinter* printer = new QPrinter();
printer->setOutputFileName("C:\\Users\\SameTime\\Desktop\\Cutie\\PDFPrintMaybe");
printer->setOutputFormat(QPrinter::PdfFormat);
doc->print(printer);
printer->newPage();