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With the exception of cfadf08a, all the commits from adc1c08e to
a6e32ae1 were from Milan, even if the Author were on some of the
commits mangled into my name. This was my mistake, when splitting
and reorganizing his massive contribution. My appologies Milan.
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and add manual testcase.
Provide replacement "screenCount" for numScreens and document numScreens
as obsolete to be more consistent with other APIs.
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Requested by Girish and Jurgen. Useful for training and small examples.
Task-number: 245219
Reviewed-by: Tobias Koenig
AutoTest: Included in this submit.
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Reviewed-by: Trust Me
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To allow mixing QPainter and raw OpenGL commands we need to have some
way for the user to say that's he's about to use raw OpenGL so that we
are free to do buffering optimizations in the paint engines and use
either GL1 or GL2 paint engine. As there's already a syncState()
function in QPaintEngine we've reused this and added
QPaintEngineEx::sync() which takes care of syncing/flushing the paint
engine.
Reviewed-by: Trond
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QStyleOptionGraphicsItem extends QStyleOption with three values:
1) matrix, 2) levelOfDetail, 3) exposedRect, and they all
involve expensive QTranform operations when calculated. We
pass style option(s) to drawItems() and paint(), but the
extended values are usually not in use. We can therefore gain
quite some nice speedup by making them opt-in with the
QGraphicsItem::ItemUsesExtendedStyleOption flag.
Additionally, QStyleOptionGraphicsItem::levelOfDetail has been
obsoleted, and a new function QStyleOptionGraphicsItem::
levelOfDetailFromTransform(const QTransform &) has been added.
Me and Andreas don't consider this change to be too controversial
even though it changes the behavior.
Auto tests still pass.
Reviewed-by: Andreas
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