[webkit-qt] GraphicsContext and Canvas
noam.rosenthal at nokia.com
noam.rosenthal at nokia.com
Thu Feb 4 08:43:07 PST 2010
>-----Original Message-----
>From: webkit-qt-bounces at lists.webkit.org
>[mailto:webkit-qt-bounces at lists.webkit.org] On Behalf Of ext
>Ariya Hidayat
>A middle ground would be: if the working paint engine is
>non-accelerated, then just fall back to pure image (raster).
Wouldn't a QPixmap::toImage conversion be free in that case anyway? (raster engine)
>Note that even with the pixmap and image conversion handled
>smartly by the Graphics Context, this will be much better than
>the current situation where every pixel access requires a
>round-trip from pixmap to image and pixmap again.
How often do we really need pixel access? What canvas functions require QPixmap::toImage? Maybe we could find an alternative for those that doesn't require the conversion?
- No'am
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