Use Qt::AA_UseHighDpiPixmaps

This will fix some issues... and introduce new ones:

* Some pixmaps are now cut
* Old banner pixmap still pixelated
* Overall looks much less pixelated

Resolves GH-248.

diff --git a/src/common/main.cpp b/src/common/main.cpp
index 12aaa29..529fb53 100644 (file)
--- a/src/common/main.cpp
+++ b/src/common/main.cpp
@@ -188,11 +188,17 @@ int main(int argc, char **argv)
 #elif defined BUILD_QTUI
 # if QT_VERSION >= 0x050600
     QtUiApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
+#endif
+# if QT_VERSION >= 0x050700
+    QtUiApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);
 # endif
     QtUiApplication app(argc, argv);
 #elif defined BUILD_MONO
 # if QT_VERSION >= 0x050600
     MonolithicApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
+#endif
+# if QT_VERSION >= 0x050700
+    MonolithicApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);
 # endif
     MonolithicApplication app(argc, argv);
 #endif