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| author | ManoloFLTK <41016272+ManoloFLTK@users.noreply.github.com> | 2020-03-26 06:29:25 +0100 |
|---|---|---|
| committer | ManoloFLTK <41016272+ManoloFLTK@users.noreply.github.com> | 2020-03-26 06:29:25 +0100 |
| commit | 89449280dc6be1d0d54359d48fc74d6c05f0c0c0 (patch) | |
| tree | 86ba7d499866a39e11f2a6bd3361c8dc3ea0ef5d /documentation/src/osissues.dox | |
| parent | abe1c4f7c02675e784d9489d70fb79c8c8bc4608 (diff) | |
Doc: more details about initialisation of display scale factors.
Diffstat (limited to 'documentation/src/osissues.dox')
| -rw-r--r-- | documentation/src/osissues.dox | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/documentation/src/osissues.dox b/documentation/src/osissues.dox index c391d28c0..d70118d69 100644 --- a/documentation/src/osissues.dox +++ b/documentation/src/osissues.dox @@ -474,6 +474,12 @@ the class "fltk" is used (e.g. <tt>fltk.background</tt>). If no match is found, a global search is done (e.g. <tt>*background</tt>). +\subsection osissues_x_scaling Dislay Scaling Factor + +FLTK uses the value of the Xft.dpi resource divided by 96. +to initialize the display scaling factor. That is also +what is done by the gnome and KDE desktops. + \section osissues_win32 The Windows Interface The Windows interface provides access to the Windows GDI @@ -577,6 +583,14 @@ DrawSomething(fl_gc, ..., fl_brush()); It may also be useful to refer to Fl_Window::current() to get the window's size or position. +\subsection osissues_windows_scaling Dislay Scaling Factor + +FLTK uses the value given by function GetDpiForMonitor() divided by 96. +to initialize the scaling factor of each display in the system. +This matches the value of +"Change the size of text, apps and other items" found in section +"System" subsection "Display" of Windows settings. + \subsection osissues_icon_windows Setting the Icon of a Window FLTK currently supports setting a window's icon *before* it |