void ImageLabel::paintEvent(QPaintEvent *p) {
	QPainter painter(this);
}

src/imagelabel.cpp: In member function ‘virtual void ImageLabel::paintEvent(QPaintEvent*)’:
src/imagelabel.cpp:48: error: variable ‘QPainter painter’ has initializer but incomplete type
src/imagelabel.cpp:48: warning: unused variable ‘painter’
src/imagelabel.cpp: At global scope: