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Custom OpenVG pixmap filters written by users will need to access
the VGImage form of a QPixmap. The qPixmapToVGImage() function
is provided for this purpose, as a private API.
Reviewed-by: Sarah Smith
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If the QPainterPath contains a structure that looks like a simple
rectangle, then use the faster clip(QRect) function instead of a
full VGPath-based render call.
Task-number: QT-64
Reviewed-by: trustme
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This change should improve performance of single-rectangle clip regions
by avoiding the overhead of creating and intersecting QRegion objects.
Task-number: QT-64
Reviewed-by: trustme
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"Special case: if the intersection of the system clip and the region
is a single rectangle, then use the scissor for clipping." It was
doing the intersection but then didn't use the intersection to test
for the single-rectangle case.
Task-number: QT-64
Reviewed-by: trustme
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Reviewed-by: trustme
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ShivaVG runs on top of OpenGL. Include the QMAKE_*_OPENGL flags
on the link line if it is needed by the OpenVG engine.
Reviewed-by: trustme
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This change also moves the EGL support classes from QtOpenGL to QtGui
so they can be shared between OpenGL and OpenVG.
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