From bd10c248a018b3e0ca71af637dfdc674a19431fb Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Sat, 8 Feb 2025 09:08:43 +0530
Subject: [PATCH] E-book viewer: Fix header/footer text size too small when
 using multiple monitors and the primary monitors DPI is much less than
 secondary monitor DPI. Fixes #2097563 [Header and Footer text in eBook Viewer
 Illegible on 4k monitor](https://bugs.launchpad.net/calibre/+bug/2097563)

---
 src/calibre/gui2/viewer/web_view.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/calibre/gui2/viewer/web_view.py b/src/calibre/gui2/viewer/web_view.py
index 8805235c4d..52af863be3 100644
--- a/src/calibre/gui2/viewer/web_view.py
+++ b/src/calibre/gui2/viewer/web_view.py
@@ -661,7 +661,7 @@ class WebView(RestartingWebEngineView):
         ui_data = {
             'all_font_families': QFontDatabase.families(),
             'ui_font_family': family,
-            'ui_font_sz': f'{fi.pixelSize()}px',
+            'ui_font_sz': f'{fi.pointSizeF()}pt',
             'show_home_page_on_ready': self.show_home_page_on_ready,
             'system_colors': system_colors(),
             'QT_VERSION': QT_VERSION,