diff options
| -rw-r--r-- | subsurface-mobile-main.cpp | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/subsurface-mobile-main.cpp b/subsurface-mobile-main.cpp index 2b224b595..454996fc7 100644 --- a/subsurface-mobile-main.cpp +++ b/subsurface-mobile-main.cpp @@ -20,6 +20,7 @@ #include <QApplication> #include <QFont> +#include <QFontMetrics> #include <QLocale> #include <QLoggingCategory> #include <QStringList> @@ -64,6 +65,14 @@ int main(int argc, char **argv) // grab the system font size before we overwrite this when we load preferences double initial_font_size = QGuiApplication::font().pointSizeF(); + if (initial_font_size < 0.0) { + // The OS provides a default font in pixels, not points; doing some crude math + // to reverse engineer that information by measuring the height of a 10pt font in pixels + QFont testFont; + testFont.setPointSizeF(10.0); + QFontMetrics fm(testFont); + initial_font_size = QGuiApplication::font().pixelSize() * 10.0 / fm.height(); + } init_ui(); if (prefs.default_file_behavior == LOCAL_DEFAULT_FILE) set_filename(prefs.default_filename); |