Painter not active
写qt碰到一个bug,求大神告诉我原因
记录下，顺便附象棋代码
QPainter::begin: A paint device can only be painted by one painter at a time.
QPainter::compositionMode: Painter not active
QPainter::setCompositionMode: Painter not active
QPainter::setCompositionMode: Painter not active
QPainter::begin: A paint device can only be painted by one painter at a time.
QPainter::setPen: Painter not active
QPainter::setPen: Painter not active
QPainter::setBrush: Painter not active
QPainter::setFont: Painter not active
QPainter::setPen: Painter not active
QPainter::setPen: Painter not active
QPainter::setBrush: Painter not active
QPainter::setFont: Painter not active
QPainter::setPen: Painter not active
QPainter::setPen: Painter not active
QPainter::setBrush: Painter not active
QPainter::setFont: Painter not active
QPainter::setPen: Painter not active
QPainter::setPen: Painter not active
QPainter::setBrush: Painter not active
QPainter::setFont: Painter not active
QPainter::setPen: Painter not active
QPainter::setPen: Painter not active
QPainter::setBrush: Painter not active
QPainter::setFont: Painter not active
QPainter::setPen: Painter not active
QPainter::setPen: Painter not active
QPainter::setBrush: Painter not active
QPainter::setFont: Painter not active
QPainter::setPen: Painter not active
QPainter::setPen: Painter not active
QPainter::setBrush: Painter not active
QPainter::setFont: Painter not active
QPainter::setPen: Painter not active
QPainter::setPen: Painter not active
QPainter::setBrush: Painter not active
QPainter::setFont: Painter not active
QPainter::setPen: Painter not active
QPainter::setPen: Painter not active
QPainter::setBrush: Painter not active
QPainter::setFont: Painter not active
QPainter::setPen: Painter not active
QPainter::setPen: Painter not active
QPainter::setBrush: Painter not active
QPainter::setFont: Painter not active
QPainter::setPen: Painter not active
QPainter::setPen: Painter not active
QPainter::setBrush: Painter not active
QPainter::setFont: Painter not active
QPainter::setPen: Painter not active
QPainter::setPen: Painter not active
QPainter::setBrush: Painter not active
QPainter::setFont: Painter not active
QPainter::setPen: Painter not active
QPainter::setPen: Painter not active
QPainter::setBrush: Painter not active
QPainter::setFont: Painter not active
QPainter::setPen: Painter not active
QPainter::setPen: Painter not active
QPainter::setBrush: Painter not active
QPainter::setFont: Painter not active
QPainter::setPen: Painter not active
QPainter::setPen: Painter not active
QPainter::setBrush: Painter not active
QPainter::setFont: Painter not active
QPainter::setPen: Painter not active
QPainter::setPen: Painter not active
QPainter::setBrush: Painter not active
QPainter::setFont: Painter not active
QPainter::setPen: Painter not active
QPainter::setPen: Painter not active
QPainter::setBrush: Painter not active
QPainter::setFont: Painter not active
QPainter::setPen: Painter not active
QPainter::setPen: Painter not active
QPainter::setBrush: Painter not active
QPainter::setFont: Painter not active
QPainter::setPen: Painter not active
QPainter::setPen: Painter not active
QPainter::setBrush: Painter not active
QPainter::setFont: Painter not active
QPainter::setPen: Painter not active
QPainter::setPen: Painter not active
QPainter::setBrush: Painter not active
QPainter::setFont: Painter not active
QPainter::setPen: Painter not active
QPainter::setPen: Painter not active
QPainter::setBrush: Painter not active
QPainter::setFont: Painter not active
QPainter::setPen: Painter not active
QPainter::setPen: Painter not active
QPainter::setBrush: Painter not active
QPainter::setFont: Painter not active
QPainter::setPen: Painter not active
QPainter::setPen: Painter not active
QPainter::setBrush: Painter not active
QPainter::setFont: Painter not active
QPainter::setPen: Painter not active
QPainter::setPen: Painter not active
QPainter::setBrush: Painter not active
QPainter::setFont: Painter not active
QPainter::setPen: Painter not active
QPainter::setPen: Painter not active
QPainter::setBrush: Painter not active
QPainter::setFont: Painter not active
QPainter::setPen: Painter not active
QPainter::setPen: Painter not active
QPainter::setBrush: Painter not active
QPainter::setFont: Painter not active
QPainter::setPen: Painter not active
QPainter::setPen: Painter not active
QPainter::setBrush: Painter not active
QPainter::setFont: Painter not active
QPainter::setPen: Painter not active
QPainter::setPen: Painter not active
QPainter::setBrush: Painter not active
QPainter::setFont: Painter not active
QPainter::setPen: Painter not active
QPainter::setPen: Painter not active
QPainter::setBrush: Painter not active
QPainter::setBrush: Painter not active
QPainter::setFont: Painter not active
QPainter::setPen: Painter not active
QPainter::setPen: Painter not active
QPainter::setBrush: Painter not active
QPainter::setFont: Painter not active
QPainter::setPen: Painter not active
QPainter::setPen: Painter not active
QPainter::setBrush: Painter not active
QPainter::setFont: Painter not active
QPainter::setPen: Painter not active
QPainter::setPen: Painter not active
QPainter::setBrush: Painter not active
QPainter::setFont: Painter not active
QWidget::repaint: It is dangerous to leave painters active on a widget outside of the PaintEvent
QPainter::begin: A paint device can only be painted by one painter at a time.
QPainter::compositionMode: Painter not active
QPainter::setCompositionMode: Painter not active
QPainter::setCompositionMode: Painter not active
QPainter::begin: A paint device can only be painted by one painter at a time.
QPainter::setPen: Painter not active
QPainter::setPen: Painter not active
QPainter::setBrush: Painter not active
QPainter::setFont: Painter not active
QPainter::setPen: Painter not active
QPainter::setPen: Painter not active
QPainter::setBrush: Painter not active
QPainter::setFont: Painter not active
QPainter::setPen: Painter not active
QPainter::setPen: Painter not active
QPainter::setBrush: Painter not active
QPainter::setFont: Painter not active
QPainter::setPen: Painter not active
QPainter::setPen: Painter not active
QPainter::setBrush: Painter not active
QPainter::setFont: Painter not active
QPainter::setPen: Painter not active
QPainter::setPen: Painter not active
QPainter::setBrush: Painter not active
QPainter::setFont: Painter not active
QPainter::setPen: Painter not active
QPainter::setPen: Painter not active
QPainter::setBrush: Painter not active
QPainter::setFont: Painter not active
QPainter::setPen: Painter not active
QPainter::setPen: Painter not active
QPainter::setBrush: Painter not active
QPainter::setFont: Painter not active
QPainter::setPen: Painter not active
QPainter::setPen: Painter not active
QPainter::setBrush: Painter not active
QPainter::setFont: Painter not active
QPainter::setPen: Painter not active
QPainter::setPen: Painter not active
QPainter::setBrush: Painter not active
QPainter::setFont: Painter not active
QPainter::setPen: Painter not active
QPainter::setPen: Painter not active
QPainter::setBrush: Painter not active
QPainter::setFont: Painter not active
QPainter::setPen: Painter not active
QPainter::setPen: Painter not active
QPainter::setBrush: Painter not active
QPainter::setFont: Painter not active
QPainter::setPen: Painter not active
QPainter::setPen: Painter not active
QPainter::setBrush: Painter not active
QPainter::setFont: Painter not active
QPainter::setPen: Painter not active
QPainter::setPen: Painter not active
QPainter::setBrush: Painter not active
QPainter::setFont: Painter not active
QPainter::setPen: Painter not active
QPainter::setPen: Painter not active
QPainter::setBrush: Painter not active
QPainter::setFont: Painter not active
QPainter::setPen: Painter not active
QPainter::setPen: Painter not active
QPainter::setBrush: Painter not active
QPainter::setFont: Painter not active
QPainter::setPen: Painter not active
QPainter::setPen: Painter not active
QPainter::setBrush: Painter not active
QPainter::setFont: Painter not active
QPainter::setPen: Painter not active
QPainter::setPen: Painter not active
QPainter::setBrush: Painter not active
QPainter::setFont: Painter not active
QPainter::setPen: Painter not active
QPainter::setPen: Painter not active
QPainter::setBrush: Painter not active
QPainter::setFont: Painter not active
QPainter::setPen: Painter not active
QPainter::setPen: Painter not active
QPainter::setBrush: Painter not active
QPainter::setFont: Painter not active
QPainter::setPen: Painter not active
QPainter::setPen: Painter not active
QPainter::setBrush: Painter not active
QPainter::setFont: Painter not active
QPainter::setPen: Painter not active
QPainter::setPen: Painter not active
QPainter::setBrush: Painter not active
QPainter::setFont: Painter not active
QPainter::setPen: Painter not active
QPainter::setPen: Painter not active
QPainter::setBrush: Painter not active
QPainter::setFont: Painter not active
QPainter::setPen: Painter not active
QPainter::setPen: Painter not active
QPainter::setBrush: Painter not active
QPainter::setFont: Painter not active
QPainter::setPen: Painter not active
QPainter::setPen: Painter not active
QPainter::setBrush: Painter not active
QPainter::setFont: Painter not active
QPainter::setPen: Painter not active
QPainter::setPen: Painter not active
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