diff options
Diffstat (limited to 'nixpkgs/nixos/modules/config/fonts/fontconfig-penultimate.nix')
| -rw-r--r-- | nixpkgs/nixos/modules/config/fonts/fontconfig-penultimate.nix | 280 |
1 files changed, 280 insertions, 0 deletions
diff --git a/nixpkgs/nixos/modules/config/fonts/fontconfig-penultimate.nix b/nixpkgs/nixos/modules/config/fonts/fontconfig-penultimate.nix new file mode 100644 index 000000000000..2c18244621af --- /dev/null +++ b/nixpkgs/nixos/modules/config/fonts/fontconfig-penultimate.nix @@ -0,0 +1,280 @@ +{ config, pkgs, lib, ... }: + +with lib; + +let + cfg = config.fonts.fontconfig; + + fcBool = x: "<bool>" + (boolToString x) + "</bool>"; + + # back-supported fontconfig version and package + # version is used for font cache generation + supportVersion = "210"; + supportPkg = pkgs."fontconfig_${supportVersion}"; + + # latest fontconfig version and package + # version is used for configuration folder name, /etc/fonts/VERSION/ + # note: format differs from supportVersion and can not be used with makeCacheConf + latestVersion = pkgs.fontconfig.configVersion; + latestPkg = pkgs.fontconfig; + + # supported version fonts.conf + supportFontsConf = pkgs.makeFontsConf { fontconfig = supportPkg; fontDirectories = config.fonts.fonts; }; + + # configuration file to read fontconfig cache + # version dependent + # priority 0 + cacheConfSupport = makeCacheConf { version = supportVersion; }; + cacheConfLatest = makeCacheConf {}; + + # generate the font cache setting file for a fontconfig version + # use latest when no version is passed + makeCacheConf = { version ? null }: + let + fcPackage = if builtins.isNull version + then "fontconfig" + else "fontconfig_${version}"; + makeCache = fontconfig: pkgs.makeFontsCache { inherit fontconfig; fontDirectories = config.fonts.fonts; }; + cache = makeCache pkgs."${fcPackage}"; + cache32 = makeCache pkgs.pkgsi686Linux."${fcPackage}"; + in + pkgs.writeText "fc-00-nixos-cache.conf" '' + <?xml version='1.0'?> + <!DOCTYPE fontconfig SYSTEM 'fonts.dtd'> + <fontconfig> + <!-- Font directories --> + ${concatStringsSep "\n" (map (font: "<dir>${font}</dir>") config.fonts.fonts)} + <!-- Pre-generated font caches --> + <cachedir>${cache}</cachedir> + ${optionalString (pkgs.stdenv.isx86_64 && cfg.cache32Bit) '' + <cachedir>${cache32}</cachedir> + ''} + </fontconfig> + ''; + + localConf = pkgs.writeText "fc-local.conf" cfg.localConf; + + # The configuration to be included in /etc/font/ + penultimateConf = pkgs.runCommand "font-penultimate-conf" { + preferLocalBuild = true; + } '' + support_folder=$out/etc/fonts/conf.d + latest_folder=$out/etc/fonts/${latestVersion}/conf.d + + mkdir -p $support_folder + mkdir -p $latest_folder + + ln -s ${supportFontsConf} $support_folder/../fonts.conf + ln -s ${latestPkg.out}/etc/fonts/fonts.conf \ + $latest_folder/../fonts.conf + + # fontconfig-penultimate various configuration files + ln -s ${pkgs.fontconfig-penultimate}/etc/fonts/conf.d/*.conf \ + $support_folder + ln -s ${pkgs.fontconfig-penultimate}/etc/fonts/conf.d/*.conf \ + $latest_folder + + ln -s ${cacheConfSupport} $support_folder/00-nixos-cache.conf + ln -s ${cacheConfLatest} $latest_folder/00-nixos-cache.conf + + rm $support_folder/10-antialias.conf $latest_folder/10-antialias.conf + ln -s ${antialiasConf} $support_folder/10-antialias.conf + ln -s ${antialiasConf} $latest_folder/10-antialias.conf + + rm $support_folder/10-hinting.conf $latest_folder/10-hinting.conf + ln -s ${hintingConf} $support_folder/10-hinting.conf + ln -s ${hintingConf} $latest_folder/10-hinting.conf + + ${optionalString cfg.useEmbeddedBitmaps '' + rm $support_folder/10-no-embedded-bitmaps.conf + rm $latest_folder/10-no-embedded-bitmaps.conf + ''} + + rm $support_folder/10-subpixel.conf $latest_folder/10-subpixel.conf + ln -s ${subpixelConf} $support_folder/10-subpixel.conf + ln -s ${subpixelConf} $latest_folder/10-subpixel.conf + + ${optionalString (cfg.dpi != 0) '' + ln -s ${dpiConf} $support_folder/11-dpi.conf + ln -s ${dpiConf} $latest_folder/11-dpi.conf + ''} + + ${optionalString (!cfg.includeUserConf) '' + rm $support_folder/50-user.conf + rm $latest_folder/50-user.conf + ''} + + # 51-local.conf + rm $latest_folder/51-local.conf + substitute \ + ${pkgs.fontconfig-penultimate}/etc/fonts/conf.d/51-local.conf \ + $latest_folder/51-local.conf \ + --replace local.conf /etc/fonts/${latestVersion}/local.conf + + # local.conf (indirect priority 51) + ${optionalString (cfg.localConf != "") '' + ln -s ${localConf} $out/etc/fonts/local.conf + ln -s ${localConf} $out/etc/fonts/${latestVersion}/local.conf + ''} + + ln -s ${defaultFontsConf} $support_folder/52-default-fonts.conf + ln -s ${defaultFontsConf} $latest_folder/52-default-fonts.conf + + ${optionalString cfg.allowBitmaps '' + rm $support_folder/53-no-bitmaps.conf + rm $latest_folder/53-no-bitmaps.conf + ''} + + ${optionalString (!cfg.allowType1) '' + ln -s ${rejectType1} $support_folder/53-no-type1.conf + ln -s ${rejectType1} $latest_folder/53-no-type1.conf + ''} + ''; + + hintingConf = pkgs.writeText "fc-10-hinting.conf" '' + <?xml version='1.0'?> + <!DOCTYPE fontconfig SYSTEM 'fonts.dtd'> + <fontconfig> + + <!-- Default rendering settings --> + <match target="pattern"> + <edit mode="append" name="hinting"> + ${fcBool cfg.hinting.enable} + </edit> + <edit mode="append" name="autohint"> + ${fcBool cfg.hinting.autohint} + </edit> + <edit mode="append" name="hintstyle"> + <const>hintslight</const> + </edit> + </match> + + </fontconfig> + ''; + + antialiasConf = pkgs.writeText "fc-10-antialias.conf" '' + <?xml version='1.0'?> + <!DOCTYPE fontconfig SYSTEM 'fonts.dtd'> + <fontconfig> + + <!-- Default rendering settings --> + <match target="pattern"> + <edit mode="append" name="antialias"> + ${fcBool cfg.antialias} + </edit> + </match> + + </fontconfig> + ''; + + subpixelConf = pkgs.writeText "fc-10-subpixel.conf" '' + <?xml version='1.0'?> + <!DOCTYPE fontconfig SYSTEM 'fonts.dtd'> + <fontconfig> + + <!-- Default rendering settings --> + <match target="pattern"> + <edit mode="append" name="rgba"> + <const>${cfg.subpixel.rgba}</const> + </edit> + <edit mode="append" name="lcdfilter"> + <const>lcd${cfg.subpixel.lcdfilter}</const> + </edit> + </match> + + </fontconfig> + ''; + + dpiConf = pkgs.writeText "fc-11-dpi.conf" '' + <?xml version='1.0'?> + <!DOCTYPE fontconfig SYSTEM 'fonts.dtd'> + <fontconfig> + + <match target="pattern"> + <edit name="dpi" mode="assign"> + <double>${toString cfg.dpi}</double> + </edit> + </match> + + </fontconfig> + ''; + + defaultFontsConf = + let genDefault = fonts: name: + optionalString (fonts != []) '' + <alias> + <family>${name}</family> + <prefer> + ${concatStringsSep "" + (map (font: '' + <family>${font}</family> + '') fonts)} + </prefer> + </alias> + ''; + in + pkgs.writeText "fc-52-nixos-default-fonts.conf" '' + <?xml version='1.0'?> + <!DOCTYPE fontconfig SYSTEM 'fonts.dtd'> + <fontconfig> + + <!-- Default fonts --> + ${genDefault cfg.defaultFonts.sansSerif "sans-serif"} + + ${genDefault cfg.defaultFonts.serif "serif"} + + ${genDefault cfg.defaultFonts.monospace "monospace"} + + </fontconfig> + ''; + + rejectType1 = pkgs.writeText "fc-53-no-type1.conf" '' + <?xml version="1.0"?> + <!DOCTYPE fontconfig SYSTEM "fonts.dtd"> + <fontconfig> + + <!-- Reject Type 1 fonts --> + <selectfont> + <rejectfont> + <pattern> + <patelt name="fontformat"><string>Type 1</string></patelt> + </pattern> + </rejectfont> + </selectfont> + + </fontconfig> + ''; + +in +{ + + options = { + + fonts = { + + fontconfig = { + + penultimate = { + enable = mkOption { + type = types.bool; + default = true; + description = '' + Enable fontconfig-penultimate settings to supplement the + NixOS defaults by providing per-font rendering defaults and + metric aliases. + ''; + }; + }; + + }; + }; + + }; + + config = mkIf (config.fonts.fontconfig.enable && config.fonts.fontconfig.penultimate.enable) { + + fonts.fontconfig.confPackages = [ penultimateConf ]; + + }; + +} |