QPixmap pixmap(path);
//pixmap=QPixmap::fromImage(imgShow);
pixmap = pixmap.scaled(152, 76, Qt::KeepAspectRatio, Qt::SmoothTransformation); // 按比例縮放
ui->logo->setPixmap(pixmap);
fromImage可以将QImage轉換為QPixmap
.scaled可以實作等比縮放
QPixmap pixmap(path);
//pixmap=QPixmap::fromImage(imgShow);
pixmap = pixmap.scaled(152, 76, Qt::KeepAspectRatio, Qt::SmoothTransformation); // 按比例縮放
ui->logo->setPixmap(pixmap);
fromImage可以将QImage轉換為QPixmap
.scaled可以實作等比縮放