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Diffstat (limited to 'doc/src/declarative/basictypes.qdoc')
| -rw-r--r-- | doc/src/declarative/basictypes.qdoc | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/doc/src/declarative/basictypes.qdoc b/doc/src/declarative/basictypes.qdoc index 98eea78a07..a908e73ca8 100644 --- a/doc/src/declarative/basictypes.qdoc +++ b/doc/src/declarative/basictypes.qdoc @@ -479,6 +479,19 @@ } \endqml + A \c var type property can also hold an image or pixmap. + A \c var which contains a QPixmap or QImage is known as a + "scarce resource" and the declarative engine will attempt to + automatically release such resources after evaluation of any JavaScript + expression which requires one to be copied has completed. + + Clients may explicitly release such a scarce resource by calling the + "destroy" method on the \c var property from within JavaScript. They + may also explicitly preserve the scarce resource by calling the + "preserve" method on the \c var property from within JavaScript. + For more information regarding the usage of a scarce resource, please + see \l{Scarce Resources in JavaScript}. + \sa {QML Basic Types} */ |