QPixmap constructs a pixmap from the file with the given fileName, cause application crash.

void ImageBrowser::openButtonClicked()
{
QString fileName = QFileDialog::getOpenFileName(this,\
tr("Open Image"), "../",\
tr("Image Files (*.png *.jpg *.bmp)"));

if (!fileName.isEmpty())

{ QPixmap pixmap(fileName); // crash while the image size is bigger(like 1024*768) setPixmap(pixmap); }

}