On October 25th, 2012, 9:05 p.m., Christoph Feck wrote:

Sorry, QPixmapCache is obsolete, please port to KImageCache.

Before you ask, here is what the API docs say:

Deprecated:
KPixmapCache is susceptible to various non-trivial locking bugs and inefficiencies, and is supported for backward compatibility only (since it exposes a QDataStream API for subclasses). Users should port to KImageCache for a very close work-alike, or KSharedDataCache if they need more control.

- Christoph

On October 25th, 2012, 3:43 p.m., Emmanuel Pescosta wrote:

Use QPixmapCache for KStandardItemListWidget::pixmapForIcon(const QString& name, int size) -> Avoid KIcon loading and rescaleing

According to valgrind/callgrind lesser cpu time and according to valgrind/massif lesser memory consume