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| author | Martin Jones <martin.jones@nokia.com> | 2010-06-17 08:14:32 (GMT) |
|---|---|---|
| committer | Martin Jones <martin.jones@nokia.com> | 2010-06-17 08:14:32 (GMT) |
| commit | 5cc37fcec3d75f6a8d0ce58ab724916795aff0aa (patch) | |
| tree | 4b4c57e845e9c8b9a3c8413cabaccab662196afa /doc | |
| parent | d2c04d76fc26300a33842a2ef52613f189a07c3c (diff) | |
| download | Qt-5cc37fcec3d75f6a8d0ce58ab724916795aff0aa.zip Qt-5cc37fcec3d75f6a8d0ce58ab724916795aff0aa.tar.gz Qt-5cc37fcec3d75f6a8d0ce58ab724916795aff0aa.tar.bz2 | |
doc: couple more performance tips.
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/src/declarative/qdeclarativeperformance.qdoc | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/doc/src/declarative/qdeclarativeperformance.qdoc b/doc/src/declarative/qdeclarativeperformance.qdoc index b535e4b..c866724 100644 --- a/doc/src/declarative/qdeclarativeperformance.qdoc +++ b/doc/src/declarative/qdeclarativeperformance.qdoc @@ -117,4 +117,16 @@ a Loader as needed. \o Fast data access - ensure the data model is as fast as possible. \endlist +\section1 Image resources over composition + +If possible, provide a single image resource, rather than using composition +of a number of elements. For example, a frame with a shadow could be created using +a Rectangle placed over an Image providing the shadow. It is more efficient to +provide an image that includes the frame and the shadow. + +\section1 Limit JavaScript + +Avoid running JavaScript during animation. For example, running a complex +JavaScript expression for each frame of an x property animation. + */ |