Hey Behdad,
We noticed this week that nothing in GTK+ currently checks whether the
font size returned by pango_font_description_get_size() is absolute or not.
Looking at some uses of pango_font_description_get_size_is_absolute() in
Pango, it seemed to me that the correct code snippet to get the font
size in GTK+ should be:
if (pango_font_description_get_size_is_absolute (font_desc))
font_size = pango_font_description_get_size (font_desc) / PANGO_SCALE;
else
{
gdouble dpi = gdk_screen_get_resolution (gtk_widget_get_screen
(widget));
font_size = dpi * (pango_font_description_get_size (font_desc) /
PANGO_SCALE) / 72.;
}
However, Tim thinks that the condition above is actually inverted. After
some more searching in Pango source code, I found that cairo-fcfont,
cairo-win32font and fc-fontmap use the code as above and win32-fontmap
uses the code above with the condition inverted.
Our question is: which is right?
I hope you can enlighten us, so the backends can be brought in sync and
GTK+ be fixed :)
thanks,
-kris.
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