Convert to integer arithmetic. Enable for sailfishdpi_layer

That's faster, and uneven factors doesn't make sense anyways.
Why is the dpi interface still navit_float?
-> I want to be able to have in log what the hardware gives.

1 files changed, 1 insertions, 1 deletions

diff --git a/navit/graphics/qt5/graphics_qt5.cpp b/navit/graphics/qt5/graphics_qt5.cpp
index 80b7b601f..535b370dc 100644
--- a/navit/graphics/qt5/graphics_qt5.cpp
+++ b/navit/graphics/qt5/graphics_qt5.cpp
@@ -822,7 +822,7 @@ static navit_float get_dpi(struct graphics_priv * gr) {
     qreal dpi = 96;
     QScreen* primary = navit_app->primaryScreen();
     if (primary != NULL) {
-        dpi = primary->logicalDotsPerInch();
+        dpi = primary->physicalDotsPerInch();
     }
     return (navit_float)dpi;
 }