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document why id is needed

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svn path=/trunk/KDE/kdelibs/; revision=1090738
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Marco Martin 2010-02-15 22:34:34 +00:00
parent 5f1cde4b29
commit 9d7a9b3e70
1 changed files with 4 additions and 1 deletions
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theme.h
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@ -252,7 +252,10 @@ class PLASMA_EXPORT Theme : public QObject
*
* @param key the name to use in the cache for this pixmap
* @param pix the pixmap data to store in the cache
* @param id a name that identifies the caller class of this function in an unique fashion
* @param id a name that identifies the caller class of this function in an unique fashion.
* This is needed to limit disk writes of the cache.
* If an image with the same id changes quickly,
* only the last size where insertIntoCache was called is actually stored on disk
* @since 4.3
**/
void insertIntoCache(const QString& key, const QPixmap& pix, const QString& id);