How to use ttf font in X11 ?

Is Freetype what you're after?

how can i use this font in XLoadQueryfont() in X11 program?

Quote: Original post by z_k
how can i use this font in XLoadQueryfont() in X11 program?

X doesn't deal directly with TrueType fonts. You'll have to use Xft(3) to interface X with Freetype. I'm definitely not an expert on the subject though, so I won't be able to help you with it.