First attempt at finding the screen pixel sizes. Can't test Xinerame, MSWindows, or X11 yet.

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@8204 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

1 files changed, 2 insertions, 1 deletions

diff --git a/src/Fl_cocoa.mm b/src/Fl_cocoa.mm
index 4dedbcf3e..a61efb0a2 100644
--- a/src/Fl_cocoa.mm
+++ b/src/Fl_cocoa.mm
@@ -2715,7 +2715,7 @@ void Fl_X::set_cursor(Fl_Cursor c)
   cursor = icrsr;
 }
 
-int Fl_X::screen_init(XRectangle screens[])
+int Fl_X::screen_init(XRectangle screens[], float dpi[])
 {
   NSAutoreleasePool *localPool = [[NSAutoreleasePool alloc] init]; 
   NSArray *a = [NSScreen screens]; 
@@ -2728,6 +2728,7 @@ int Fl_X::screen_init(XRectangle screens[])
     screens[num_screens].y      = int(r.size.height - (r.origin.y + r.size.height));
     screens[num_screens].width  = int(r.size.width);
     screens[num_screens].height = int(r.size.height);
+    dpi[num_screens]            = float([[a objectAtIndex:i] userSpaceScaleFactor])*72.0f;
     num_screens ++;
     if (num_screens >= 16) break;
   }