X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Flyx_gui_misc.C;h=dc3a66d7334b30c1945f1f96611a078d604cf7b9;hb=3df345c9383480f68fad51feae8b9c64425c8729;hp=beee7bc0f098e6d4cc0436450fb1533723cd6a0b;hpb=0088121bd8c3fc7f2109e8dc9b22b73ca193f20e;p=lyx.git

diff --git a/src/lyx_gui_misc.C b/src/lyx_gui_misc.C
index beee7bc0f0..dc3a66d733 100644
--- a/src/lyx_gui_misc.C
+++ b/src/lyx_gui_misc.C
@@ -32,6 +32,7 @@
 #include "insets/insetindex.h"
 #include "LyXView.h"
 
+using std::pair;
 using std::make_pair;
 
 extern BufferView * current_view;
@@ -408,3 +409,11 @@ void WarnReadonly(string const & file)
 		   _("The document is read-only:"),
 		   file);
 }
+
+/// Get the dpi setting of the current screen
+float getScreenDPI()
+{
+	Screen * scr = DefaultScreenOfDisplay(fl_get_display());
+	return ((HeightOfScreen(scr) * 25.4 / HeightMMOfScreen(scr)) +
+		(WidthOfScreen(scr) * 25.4 / WidthMMOfScreen(scr))) / 2;
+}