/*
    函數名：setPixmap()
    參  數：無
    描  述：設置狀態圖片
*/
void test::setPixmap(bool pixmapStatus)
{
    if(pixmapStatus)
    {
        QPixmap *pixmap = new QPixmap(":/images/red_stone.png");
        ui->label_Pixmap->setPixmap(pixmap->scaled(QSize(12,12),
                                          Qt::IgnoreAspectRatio,
                                          Qt::SmoothTransformation));
    }
 
else
    {
        QPixmap *pixmap = new QPixmap(":/images/green_stone.png");
        ui->label_Pixmap->setPixmap(pixmap->scaled(QSize(12,12),
                                          Qt::IgnoreAspectRatio,
                                          Qt::SmoothTransformation));
    }
}

Qt QPixmap設置圖片