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Halla Rempt authored
QRegion is dangerous, slow and degenerates into scanlines way too quickly. Use QVector<QRect> instead and hope Dmitry is right that we never generate overlapping QRects for updating.
3e9e1e5d
QRegion is dangerous, slow and degenerates into scanlines way too quickly. Use QVector<QRect> instead and hope Dmitry is right that we never generate overlapping QRects for updating.