技术问答qt鎬庝箞缁檞idget娣诲姞鍥剧墖 - 扬州沐宇科技

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沐宇首页互联网技术知识问答 qt鎬庝箞缁檞idget娣诲姞鍥剧墖

扬州沐宇科技

2024-03-22 09:18:53

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QPixmap pixmap("image.jpg");
QPalette palette;
palette.setBrush(this->backgroundRole(), QBrush(pixmap));
this->setPalette(palette);

void MyWidget::paintEvent(QPaintEvent *event)
{
    QPainter painter(this);
    QPixmap pixmap("image.jpg");
    painter.drawPixmap(0, 0, pixmap);
}

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