各位前辈,QT保存的截图比较模糊,请问如何提高清晰度?
QPixmap p = QPixmap::grabWindow(QApplication::desktop()->winId());
QString fileName = QFileDialog::getSaveFileName(this, "文件另存为","",tr("Config Files (*.jpg)"));
if(p.save(fileName,"jpg"))
{
QMessageBox::information(this, "提示", "保存成功!",QMessageBox::Ok);
}
以上代码实现全屏截图并保存,我尝试保存为bmp、png格式的图片,还是这么模糊。我还尝试了p.save(fileName,"jpg",99);
各位前辈,请问如何提高保存图片的清晰度?