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Document new HiDPI support under the X11 platform. 

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.4@12249 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
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Manolo Gouy 2017-06-02 09:13:47 +00:00
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@ -18,6 +18,16 @@ Changes in FLTK 1.4.0 Released: ??? ?? 2017
New Features and Extensions
- (add new items here)
- X11 platform: Added support for HiDPI displays and for rescaling any window
at run-time under user control. Under the gnome desktop, FLTK applications
detect the current gnome scaling fator and use it to scale all FLTK windows.
Under other desktops, the FLTK_SCALING_FACTOR environment variable can be
used to set the starting scaling factor of all FLTK applications.
In addition, it is possible to rescale all FLTK windows mapped to a screen
by typing ctrl-'+' (enlarge), ctrl-'-' (shrink) or ctrl-'0' (back to starting
factor value). Windows moved between screens adjust to the scaling factor of
their screen. This supports desktops mixing screens with distinct resolutions.
[HiDPI displays have been supported since FLTK 1.3.3 for the WIN32 and MacOS platforms].
- New method shadow(int) allows to disable the shadows of the hands
of Fl_Clock, Fl_Clock_Output, and derived widgets.
- New method Fl_Tabs::tab_align() allows to set alignment of tab labels,