diff options
Diffstat (limited to 'nixos/modules/config/fonts/fontconfig-ultimate.nix')
| -rw-r--r-- | nixos/modules/config/fonts/fontconfig-ultimate.nix | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/nixos/modules/config/fonts/fontconfig-ultimate.nix b/nixos/modules/config/fonts/fontconfig-ultimate.nix new file mode 100644 index 00000000000..02568f9de51 --- /dev/null +++ b/nixos/modules/config/fonts/fontconfig-ultimate.nix @@ -0,0 +1,193 @@ +{ config, pkgs, lib, ... }: + +with lib; + +let fcBool = x: if x then "<bool>true</bool>" else "<bool>false</bool>"; +in +{ + + options = { + + fonts = { + + fontconfig = { + + ultimate = { + enable = mkOption { + type = types.bool; + default = true; + description = '' + Enable fontconfig-ultimate settings (formerly known as + Infinality). Besides the customizable settings in this NixOS + module, fontconfig-ultimate also provides many font-specific + rendering tweaks. + ''; + }; + + allowBitmaps = mkOption { + type = types.bool; + default = true; + description = '' + Allow bitmap fonts. Set to <literal>false</literal> to ban all + bitmap fonts. + ''; + }; + + allowType1 = mkOption { + type = types.bool; + default = false; + description = '' + Allow Type-1 fonts. Default is <literal>false</literal> because of + poor rendering. + ''; + }; + + useEmbeddedBitmaps = mkOption { + type = types.bool; + default = false; + description = ''Use embedded bitmaps in fonts like Calibri.''; + }; + + forceAutohint = mkOption { + type = types.bool; + default = false; + description = '' + Force use of the TrueType Autohinter. Useful for debugging or + free-software purists. + ''; + }; + + renderMonoTTFAsBitmap = mkOption { + type = types.bool; + default = false; + description = ''Render some monospace TTF fonts as bitmaps.''; + }; + + substitutions = mkOption { + type = types.str // { + check = flip elem ["none" "free" "combi" "ms"]; + }; + default = "free"; + description = '' + Font substitutions to replace common Type 1 fonts with nicer + TrueType fonts. <literal>free</literal> uses free fonts, + <literal>ms</literal> uses Microsoft fonts, + <literal>combi</literal> uses a combination, and + <literal>none</literal> disables the substitutions. + ''; + }; + + rendering = mkOption { + type = types.attrs; + default = pkgs.fontconfig-ultimate.rendering.ultimate; + description = '' + FreeType rendering settings presets. The default is + <literal>pkgs.fontconfig-ultimate.rendering.ultimate</literal>. + The other available styles are: + <literal>ultimate-lighter</literal>, + <literal>ultimate-darker</literal>, + <literal>ultimate-lightest</literal>, + <literal>ultimate-darkest</literal>, + <literal>default</literal> (the original Infinality default), + <literal>osx</literal>, + <literal>ipad</literal>, + <literal>ubuntu</literal>, + <literal>linux</literal>, + <literal>winxplight</literal>, + <literal>win7light</literal>, + <literal>winxp</literal>, + <literal>win7</literal>, + <literal>vanilla</literal>, + <literal>classic</literal>, + <literal>nudge</literal>, + <literal>push</literal>, + <literal>shove</literal>, + <literal>sharpened</literal>, + <literal>infinality</literal>. Any of the presets may be + customized by editing the attributes. To disable, set this option + to the empty attribute set <literal>{}</literal>. + ''; + }; + }; + }; + }; + + }; + + + config = + let ultimate = config.fonts.fontconfig.ultimate; + fontconfigUltimateConf = '' + <?xml version="1.0"?> + <!DOCTYPE fontconfig SYSTEM "fonts.dtd"> + <fontconfig> + + ${optionalString (!ultimate.allowBitmaps) '' + <!-- Reject bitmap fonts --> + <selectfont> + <rejectfont> + <pattern> + <patelt name="scalable"><bool>false</bool></patelt> + </pattern> + </rejectfont> + </selectfont> + ''} + + ${optionalString ultimate.allowType1 '' + <!-- Reject Type 1 fonts --> + <selectfont> + <rejectfont> + <pattern> + <patelt name="fontformat"> + <string>Type 1</string> + </patelt> + </pattern> + </rejectfont> + </selectfont> + ''} + + <!-- Use embedded bitmaps in fonts like Calibri? --> + <match target="font"> + <edit name="embeddedbitmap" mode="assign"> + ${fcBool ultimate.useEmbeddedBitmaps} + </edit> + </match> + + <!-- Force autohint always --> + <match target="font"> + <edit name="force_autohint" mode="assign"> + ${fcBool ultimate.forceAutohint} + </edit> + </match> + + <!-- Render some monospace TTF fonts as bitmaps --> + <match target="pattern"> + <edit name="bitmap_monospace" mode="assign"> + ${fcBool ultimate.renderMonoTTFAsBitmap} + </edit> + </match> + + ${optionalString (ultimate.substitutions != "none") '' + <!-- Type 1 font substitutions --> + <include ignore_missing="yes">${pkgs.fontconfig-ultimate.confd}/etc/fonts/presets/${ultimate.substitutions}</include> + ''} + + <include ignore_missing="yes">${pkgs.fontconfig-ultimate.confd}/etc/fonts/conf.d</include> + + </fontconfig> + ''; + in mkIf (config.fonts.fontconfig.enable && ultimate.enable) { + + environment.etc."fonts/conf.d/52-fontconfig-ultimate.conf" = { + text = fontconfigUltimateConf; + }; + + environment.etc."fonts/${pkgs.fontconfig.configVersion}/conf.d/52-fontconfig-ultimate.conf" = { + text = fontconfigUltimateConf; + }; + + environment.variables = ultimate.rendering; + + }; + +} |