[poppler] QT4, API documentation
kebekus at kde.org
Fri Dec 2 04:15:46 PST 2005
On Wednesday 30 November 2005 22:22, Wilfried Huss wrote:
> >From the Qt documentation:
> "The QPixmap class uses implicit sharing, so you can pass QPixmap objects
> around by value."
> So returning pixmaps should not be a problem.
Yes, QPixmap is internally little other than a pointer to an internal
structure that has a usage count ---QT itself passes QPixmaps as arguments
all the time. If you look at the code you'll see that we do the double
copying that Albert mentioned anyway.
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