What happens memory-wise when the following code is executed in the
Scribble example program?
void ScribbleArea::resizeImage(QImage *image, const QSize &newSize)
{
QImage newImage(newSize, QImage::Format_RGB32);
newImage.fill(qRgb(255, 255, 255));
[...]
*image = newImage;
}
a new QImage is created on the stack, but isn't deleted when the function exits
because a reference to it is saved in *image???
If the user resizes 100 times are 100 QImages created? When are they deleted?
Is there some automatic deletion going on when c++ re-assigns the
"image" reference?
Thanks for any help, there must be a hole in my grasp of c++ memory management...
Bookmarks