TitleTest font rendering in FLTK 1.4.4 with Xft backend
Authorrodarima
CreatedSun, 31 Aug 2025 22:34:36 +0000
State open

So far it seems FLTK 1.3.11 vs FLTK 1.4.4 on Linux, using Xft on X11 and 96 DPI with scale overrided to 1 produces the same rendering results, all pixels are exactly the same:

FLTK 1.3.11: Image

FLTK 1.4.4: Image

Same for the website, except the scrollbard buttons:

FLTK 1.3.11: Image

FLTK 1.4.4: Image

rodarima on Sun, 31 Aug 2025 23:50:39 +0000

Using Pango seems to cause blurred text:

Image

Here is the close up:

Image