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* Have QVolatileImage backed by a bitmap in all cases.Laszlo Agocs2011-03-011-5/+3
| | | | | | | | | The behavior now matches the raster (s60) pixmap: A bitmap is created immediately when constructing from a QImage. This is needed to reduce the heap usage of applications (by getting rid of the QImage as early as possible). Reviewed-by: Jani Hautakangas
* Changed QPixmap VG backend to use CFbsBitmap on Symbian.Laszlo Agocs2011-02-281-0/+473
Similarly to QS60PixmapData, that is used on raster, QVGPixmapData is also backed by a CFbsBitmap from now on (at least when it makes sense to do so). This allows copy-less bitmap handle duplication in from- and toSymbianCFbsBitmap() in case of certain image formats, reduces local heap usage and improves performance with the s60 style due to a reduced number of pixel data copies. Task-number: QT-2505 Reviewed-by: Jason Barron Reviewed-by: Jani Hautakangas