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2025-04-05 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Development >
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This article will explain in detail how to solve the problem of blurred pictures on the Retina screen of Qt. The editor thinks it is very practical, so I share it with you as a reference. I hope you can get something after reading this article.
Speaking of this, we will use the QT_REQUIRE_VERSION macro, as described in the Qt document:
Here is to set the version of Qt currently under development to match.
For example, I use Qt5.6.0, so I should write this on main.cpp:
# include "mainwindow.h"
# include
Int main (int argc, char * argv [])
{
QApplication a (argc, argv)
QT_REQUIRE_VERSION (argc, argv, "5.6.0")
QApplication::setAttribute (Qt::AA_UseHighDpiPixmaps); / / solve the problem of blurred pictures in Qt on the Retina screen
MainWindow w
W.show ()
Return a.exec ()
}
Core code:
QT_REQUIRE_VERSION (argc, argv, "5.6.0")
QApplication::setAttribute (Qt::AA_UseHighDpiPixmaps); / / solve the problem of blurred pictures in Qt on the Retina screen
This is the end of the article on "how to solve the problem of blurred pictures on the Retina screen in Qt". I hope the above content can be of some help to you, so that you can learn more knowledge. if you think the article is good, please share it out for more people to see.
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