Use double instead of int when scaling pixmaps (#393)

mujx · Jul 30, 2018 · 06b30b3 · 06b30b3
1 parent 6ffb747
commit 06b30b3
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/src/Utils.cpp b/src/Utils.cpp
@@ -3,6 +3,7 @@
 #include <QApplication>
 #include <QDesktopWidget>
 #include <QSettings>
+#include <cmath>
 
 #include <variant.hpp>
 
@@ -221,7 +222,8 @@ utils::scaleImageToPixmap(const QImage &img, int size)
  if (img.isNull())
  return QPixmap();
 
- const int sz = QApplication::desktop()->screen()->devicePixelRatio() * size;
+ const double sz =
+ ceil(QApplication::desktop()->screen()->devicePixelRatioF() * (double)size);
  return QPixmap::fromImage(
  img.scaled(sz, sz, Qt::IgnoreAspectRatio, Qt::SmoothTransformation));
 }