NSX (QFont)

Introduction

.QFONT files are .NSX scripts that holds parameters for NetherMenu font draw module.

Example of .QFONT file contents:

[qfont]
type=FT
face=default
brightness=0.8
width=1.2

[default]
file=./big.ttf
sizes=38
glyphs=abcdefghijklmnopqrttuvwxyz0123456789
r_shadow=0.8
r_shadowblur=1
r_shadowofs=0 0.5 0.5

Structure

[qfont] group

Should be the first groups of file, it sets font drawer and face group.

Key	Value	Description
type	x	Type of font drawer, each of it has it's advantages and disadvantages: Possible values: ft - Darkplaces vector fonts using freetype library ascii - Quake ascii conchars (256 chars on a 16*16 table) glyph - QuakeC glyph font renderer (each char is separate picture).
face	string	Font face. For freetype and glyph font renderers this is name of group. For Ascii it's a path to conchars texture.
brightness	value	Floating point value of brightness scale. 1 is nothing, 0.1 is 10% etc.
scale	x y	Two floating point values storing horizontal and vertical scale of font chars.
width	x	X component of scale.
height	y	Y component of scale.
respath	y	Path to font resources. Could be relative (if begins with ./) or absolute (from gamedir). Default is subfolder named as font file.

Freetype font face group

Attributes of font face for freetype font renderer.

Key	Value	Description
file	path	Path to .OTF/.TTF font file. Could be relative to respath (if begins with ./) or absolute (from gamedir root).
slot	slotname	Engine font slot. Used to replace fontmaps that was already initialized. Darkplaces engine have this fixed slots: default, console, sbar, notify, chat, centerprint, infobar, menu, user0, user1, user2, user3, user4, user5, user6, user7.
glyphs	string	Engine font slot. Used to replace fontmaps that was already initialized. Engine will render font pages containing this string chars (others will be rendered on demand).
r_antialias	0/1	Toggles antialiasing for font pages renderer.
r_hinting	0/1/2/3	Toggles hinting for font pages renderer. 0 - no hinting, 1 - light autohintinh, 2 - full autohinting, 3 - full hinting.
r_shadow	strength	Outline shadow strength (could be more than 1).
r_shadowblur	strength	Outline shadow blur.
r_shadowofs	x y z	Outline shadow offset. X and Y applied during rendering. Z is applied during blur.
r_charcushion	x	Characters vertical offset in percents (1 - 100%, 0.1 - 10%).
r_charscale	x	Characters uniform scale.

Glyph font face group

Attributes of font face for glyph font renderer.

Key	Value	Description
respath	path	Absolute path that overrides default font resources path.
glyph	variable	Value is a string of: picture kern left right codes code1 code2 codeX. Kern parmeter is optional. One pic may have many ASCII codes.

Glyph vs Ascii vs Freetype

Reason all that groups exists is that all of them was maked for different tasks. Freetype is best at covering GUI's. ASCII is simple, and Glyph is versatile since it's purely QC-based.