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When there is a rotation transformation on a RectangleNode it is not
possible to take advantage of accelerated blitter paths, but we still
need to do custom painting to recreate the behavior of a Rectangle
component in Qt Quick. Now when there is a rotaiton transformation we
will fall back to using QPainter::drawRect as long as there is no border
or radius. If there is a border or radius value set though we will
instead first render to a QPixmap before painting as the standard
behavior of QPainter::drawRect and QPainter::drawRoundedRect does not
match the expected behavior of a QQuick Rectangle item. This fixes the
poor quality of rotated Rectangles at the cost of speed.
The Rotation of any item should still be discouraged for performance
reasons, but at least now Rectangles itmes should look correct when
used.
Change-Id: I3919ad732c9b4354a95e28e8dc09fcefd53f604e
Reviewed-by: Eirik Aavitsland <eirik.aavitsland@digia.com>
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There were many cases where properties of nodes could change but since
the node was not marked dirty, the scene update was never rendered.
Change-Id: I7740a43d98521073056f85fe80d6c1ff213236a3
Reviewed-by: Andy Nichols <andy.nichols@digia.com>
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The existing implementation has both inaccurate drawing of
borders as well as many alignment issues. Much of these
alignment issues are due to our use of floating point sizes
and the integer based nature of blitter hardware. So now
for the Rectangle node we force alignment via the use of
whole numbers. This should be a better compromise of
speed vs accuracy than previously.
Change-Id: I9d8e9d1b3347a99bf0c2ae65ec66c935d8017817
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
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QGradient does not allow stops positions that are outside the bounds of
0 and 1. Gradients created from QML however can have stops outside of
these bounds and so we must normalize these stops before giving them to
QPainter to render. This change creates a new stop at 0 or 1 if a stop
goes below or above the bounds respectively, and interpolates a new
color value for the stop based on the original position.
Change-Id: I10cc41d923e88a9b41bfd27de0326cea25464add
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
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Change-Id: I2fe8df530a687247a9cd7ea12c1d8de79fef506e
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
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