QPixmap pixmap(path);
//pixmap=QPixmap::fromImage(imgShow);
pixmap = pixmap.scaled(152, 76, Qt::KeepAspectRatio, Qt::SmoothTransformation); // 按比例缩放
ui->logo->setPixmap(pixmap);
fromImage可以将QImage转换为QPixmap
.scaled可以实现等比缩放
QPixmap pixmap(path);
//pixmap=QPixmap::fromImage(imgShow);
pixmap = pixmap.scaled(152, 76, Qt::KeepAspectRatio, Qt::SmoothTransformation); // 按比例缩放
ui->logo->setPixmap(pixmap);
fromImage可以将QImage转换为QPixmap
.scaled可以实现等比缩放