fontconfig-user.html revision a4e54154
1a6844aabSmrg<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/loose.dtd"> 22c393a42Smrg<HTML 32c393a42Smrg><HEAD 42c393a42Smrg><TITLE 52c393a42Smrg>fonts-conf</TITLE 62c393a42Smrg><META 72c393a42SmrgNAME="GENERATOR" 82c393a42SmrgCONTENT="Modular DocBook HTML Stylesheet Version 1.79"></HEAD 92c393a42Smrg><BODY 102c393a42SmrgCLASS="REFENTRY" 112c393a42SmrgBGCOLOR="#FFFFFF" 122c393a42SmrgTEXT="#000000" 132c393a42SmrgLINK="#0000FF" 142c393a42SmrgVLINK="#840084" 152c393a42SmrgALINK="#0000FF" 162c393a42Smrg><H1 172c393a42Smrg><A 182c393a42SmrgNAME="AEN1" 192c393a42Smrg></A 202c393a42Smrg>fonts-conf</H1 212c393a42Smrg><DIV 222c393a42SmrgCLASS="REFNAMEDIV" 232c393a42Smrg><A 242c393a42SmrgNAME="AEN5" 252c393a42Smrg></A 262c393a42Smrg><H2 272c393a42Smrg>Name</H2 282c393a42Smrg>fonts.conf -- Font configuration files</DIV 292c393a42Smrg><DIV 302c393a42SmrgCLASS="REFSYNOPSISDIV" 312c393a42Smrg><A 322c393a42SmrgNAME="AEN8" 332c393a42Smrg></A 342c393a42Smrg><H2 352c393a42Smrg>Synopsis</H2 36a6844aabSmrg><TABLE 37a6844aabSmrgBORDER="0" 38a6844aabSmrgBGCOLOR="#E0E0E0" 39a6844aabSmrgWIDTH="100%" 40a6844aabSmrg><TR 41a6844aabSmrg><TD 422c393a42Smrg><PRE 432c393a42SmrgCLASS="SYNOPSIS" 442c393a42Smrg> /etc/fonts/fonts.conf 452c393a42Smrg /etc/fonts/fonts.dtd 462c393a42Smrg /etc/fonts/conf.d 47ca08ab68Smrg $XDG_CONFIG_HOME/fontconfig/conf.d 48ca08ab68Smrg $XDG_CONFIG_HOME/fontconfig/fonts.conf 49a6844aabSmrg ~/.fonts.conf.d 502c393a42Smrg ~/.fonts.conf</PRE 51a6844aabSmrg></TD 52a6844aabSmrg></TR 53a6844aabSmrg></TABLE 542c393a42Smrg></DIV 552c393a42Smrg><DIV 562c393a42SmrgCLASS="REFSECT1" 572c393a42Smrg><A 582c393a42SmrgNAME="AEN10" 592c393a42Smrg></A 602c393a42Smrg><H2 612c393a42Smrg>Description</H2 622c393a42Smrg><P 632c393a42Smrg>Fontconfig is a library designed to provide system-wide font configuration, 642c393a42Smrgcustomization and application access. 652c393a42Smrg </P 662c393a42Smrg></DIV 672c393a42Smrg><DIV 682c393a42SmrgCLASS="REFSECT1" 692c393a42Smrg><A 702c393a42SmrgNAME="AEN13" 712c393a42Smrg></A 722c393a42Smrg><H2 732c393a42Smrg>Functional Overview</H2 742c393a42Smrg><P 752c393a42Smrg>Fontconfig contains two essential modules, the configuration module which 762c393a42Smrgbuilds an internal configuration from XML files and the matching module 772c393a42Smrgwhich accepts font patterns and returns the nearest matching font. 782c393a42Smrg </P 792c393a42Smrg><DIV 802c393a42SmrgCLASS="REFSECT2" 812c393a42Smrg><A 822c393a42SmrgNAME="AEN16" 832c393a42Smrg></A 842c393a42Smrg><H3 852c393a42Smrg>Font Configuration</H3 862c393a42Smrg><P 872c393a42Smrg>The configuration module consists of the FcConfig datatype, libexpat and 882c393a42SmrgFcConfigParse which walks over an XML tree and amends a configuration with 892c393a42Smrgdata found within. From an external perspective, configuration of the 902c393a42Smrglibrary consists of generating a valid XML tree and feeding that to 912c393a42SmrgFcConfigParse. The only other mechanism provided to applications for 922c393a42Smrgchanging the running configuration is to add fonts and directories to the 932c393a42Smrglist of application-provided font files. 942c393a42Smrg </P 952c393a42Smrg><P 962c393a42Smrg>The intent is to make font configurations relatively static, and shared by 972c393a42Smrgas many applications as possible. It is hoped that this will lead to more 982c393a42Smrgstable font selection when passing names from one application to another. 992c393a42SmrgXML was chosen as a configuration file format because it provides a format 1002c393a42Smrgwhich is easy for external agents to edit while retaining the correct 1012c393a42Smrgstructure and syntax. 1022c393a42Smrg </P 1032c393a42Smrg><P 1042c393a42Smrg>Font configuration is separate from font matching; applications needing to 1052c393a42Smrgdo their own matching can access the available fonts from the library and 1062c393a42Smrgperform private matching. The intent is to permit applications to pick and 1072c393a42Smrgchoose appropriate functionality from the library instead of forcing them to 1082c393a42Smrgchoose between this library and a private configuration mechanism. The hope 1092c393a42Smrgis that this will ensure that configuration of fonts for all applications 1102c393a42Smrgcan be centralized in one place. Centralizing font configuration will 1112c393a42Smrgsimplify and regularize font installation and customization. 1122c393a42Smrg </P 1132c393a42Smrg></DIV 1142c393a42Smrg><DIV 1152c393a42SmrgCLASS="REFSECT2" 1162c393a42Smrg><A 1172c393a42SmrgNAME="AEN21" 1182c393a42Smrg></A 1192c393a42Smrg><H3 1202c393a42Smrg>Font Properties</H3 1212c393a42Smrg><P 1222c393a42Smrg>While font patterns may contain essentially any properties, there are some 1232c393a42Smrgwell known properties with associated types. Fontconfig uses some of these 1242c393a42Smrgproperties for font matching and font completion. Others are provided as a 1252c393a42Smrgconvenience for the applications' rendering mechanism. 1262c393a42Smrg </P 127a6844aabSmrg><TABLE 128a6844aabSmrgBORDER="0" 129a6844aabSmrgBGCOLOR="#E0E0E0" 130a6844aabSmrgWIDTH="100%" 131a6844aabSmrg><TR 132a6844aabSmrg><TD 1332c393a42Smrg><PRE 1342c393a42SmrgCLASS="PROGRAMLISTING" 1352c393a42Smrg> Property Type Description 1362c393a42Smrg -------------------------------------------------------------- 1372c393a42Smrg family String Font family names 1382c393a42Smrg familylang String Languages corresponding to each family 1392c393a42Smrg style String Font style. Overrides weight and slant 1402c393a42Smrg stylelang String Languages corresponding to each style 1412c393a42Smrg fullname String Font full names (often includes style) 1422c393a42Smrg fullnamelang String Languages corresponding to each fullname 1432c393a42Smrg slant Int Italic, oblique or roman 1442c393a42Smrg weight Int Light, medium, demibold, bold or black 1452c393a42Smrg size Double Point size 1462c393a42Smrg width Int Condensed, normal or expanded 1472c393a42Smrg aspect Double Stretches glyphs horizontally before hinting 1482c393a42Smrg pixelsize Double Pixel size 1492c393a42Smrg spacing Int Proportional, dual-width, monospace or charcell 1502c393a42Smrg foundry String Font foundry name 1512c393a42Smrg antialias Bool Whether glyphs can be antialiased 1522c393a42Smrg hinting Bool Whether the rasterizer should use hinting 1532c393a42Smrg hintstyle Int Automatic hinting style 1542c393a42Smrg verticallayout Bool Use vertical layout 1552c393a42Smrg autohint Bool Use autohinter instead of normal hinter 156ca08ab68Smrg globaladvance Bool Use font global advance data (deprecated) 1572c393a42Smrg file String The filename holding the font 1582c393a42Smrg index Int The index of the font within the file 1592c393a42Smrg ftface FT_Face Use the specified FreeType face object 1606fc018e4Smrg rasterizer String Which rasterizer is in use (deprecated) 1612c393a42Smrg outline Bool Whether the glyphs are outlines 1622c393a42Smrg scalable Bool Whether glyphs can be scaled 163953daebaSmrg color Bool Whether any glyphs have color 164953daebaSmrg scale Double Scale factor for point->pixel conversions (deprecated) 1652c393a42Smrg dpi Double Target dots per inch 1662c393a42Smrg rgba Int unknown, rgb, bgr, vrgb, vbgr, 1672c393a42Smrg none - subpixel geometry 1682c393a42Smrg lcdfilter Int Type of LCD filter 1692c393a42Smrg minspace Bool Eliminate leading from line spacing 1702c393a42Smrg charset CharSet Unicode chars encoded by the font 1712c393a42Smrg lang String List of RFC-3066-style languages this 1722c393a42Smrg font supports 1732c393a42Smrg fontversion Int Version number of the font 1742c393a42Smrg capability String List of layout capabilities in the font 175953daebaSmrg fontformat String String name of the font format 1762c393a42Smrg embolden Bool Rasterizer should synthetically embolden the font 177953daebaSmrg embeddedbitmap Bool Use the embedded bitmap instead of the outline 178953daebaSmrg decorative Bool Whether the style is a decorative variant 179c9710b42Smrg fontfeatures String List of the feature tags in OpenType to be enabled 180953daebaSmrg namelang String Language name to be used for the default value of 181953daebaSmrg familylang, stylelang, and fullnamelang 182c9710b42Smrg prgname String String Name of the running program 183953daebaSmrg postscriptname String Font family name in PostScript 184a4e54154Smrg fonthashint Bool Whether the font has hinting 185a4e54154Smrg order Int Order number of the font 1862c393a42Smrg </PRE 187a6844aabSmrg></TD 188a6844aabSmrg></TR 189a6844aabSmrg></TABLE 1902c393a42Smrg></DIV 1912c393a42Smrg><DIV 1922c393a42SmrgCLASS="REFSECT2" 1932c393a42Smrg><A 1942c393a42SmrgNAME="AEN25" 1952c393a42Smrg></A 1962c393a42Smrg><H3 1972c393a42Smrg>Font Matching</H3 1982c393a42Smrg><P 1992c393a42Smrg>Fontconfig performs matching by measuring the distance from a provided 2002c393a42Smrgpattern to all of the available fonts in the system. The closest matching 2012c393a42Smrgfont is selected. This ensures that a font will always be returned, but 2022c393a42Smrgdoesn't ensure that it is anything like the requested pattern. 2032c393a42Smrg </P 2042c393a42Smrg><P 2052c393a42Smrg> 2062c393a42SmrgFont matching starts with an application constructed pattern. The desired 2072c393a42Smrgattributes of the resulting font are collected together in a pattern. Each 2082c393a42Smrgproperty of the pattern can contain one or more values; these are listed in 2092c393a42Smrgpriority order; matches earlier in the list are considered "closer" than 2102c393a42Smrgmatches later in the list. 2112c393a42Smrg </P 2122c393a42Smrg><P 2132c393a42Smrg>The initial pattern is modified by applying the list of editing instructions 2142c393a42Smrgspecific to patterns found in the configuration; each consists of a match 2152c393a42Smrgpredicate and a set of editing operations. They are executed in the order 2162c393a42Smrgthey appeared in the configuration. Each match causes the associated 2172c393a42Smrgsequence of editing operations to be applied. 2182c393a42Smrg </P 2192c393a42Smrg><P 2202c393a42Smrg>After the pattern has been edited, a sequence of default substitutions are 2212c393a42Smrgperformed to canonicalize the set of available properties; this avoids the 2222c393a42Smrgneed for the lower layers to constantly provide default values for various 2232c393a42Smrgfont properties during rendering. 2242c393a42Smrg </P 2252c393a42Smrg><P 2262c393a42Smrg>The canonical font pattern is finally matched against all available fonts. 2272c393a42SmrgThe distance from the pattern to the font is measured for each of several 2282c393a42Smrgproperties: foundry, charset, family, lang, spacing, pixelsize, style, 2292c393a42Smrgslant, weight, antialias, rasterizer and outline. This list is in priority 2302c393a42Smrgorder -- results of comparing earlier elements of this list weigh more 2312c393a42Smrgheavily than later elements. 2322c393a42Smrg </P 2332c393a42Smrg><P 2342c393a42Smrg>There is one special case to this rule; family names are split into two 2352c393a42Smrgbindings; strong and weak. Strong family names are given greater precedence 2362c393a42Smrgin the match than lang elements while weak family names are given lower 2372c393a42Smrgprecedence than lang elements. This permits the document language to drive 2382c393a42Smrgfont selection when any document specified font is unavailable. 2392c393a42Smrg </P 2402c393a42Smrg><P 2412c393a42Smrg>The pattern representing that font is augmented to include any properties 2422c393a42Smrgfound in the pattern but not found in the font itself; this permits the 2432c393a42Smrgapplication to pass rendering instructions or any other data through the 2442c393a42Smrgmatching system. Finally, the list of editing instructions specific to 2452c393a42Smrgfonts found in the configuration are applied to the pattern. This modified 2462c393a42Smrgpattern is returned to the application. 2472c393a42Smrg </P 2482c393a42Smrg><P 2492c393a42Smrg>The return value contains sufficient information to locate and rasterize the 2502c393a42Smrgfont, including the file name, pixel size and other rendering data. As 2512c393a42Smrgnone of the information involved pertains to the FreeType library, 2522c393a42Smrgapplications are free to use any rasterization engine or even to take 2532c393a42Smrgthe identified font file and access it directly. 2542c393a42Smrg </P 2552c393a42Smrg><P 2562c393a42Smrg>The match/edit sequences in the configuration are performed in two passes 2572c393a42Smrgbecause there are essentially two different operations necessary -- the 2582c393a42Smrgfirst is to modify how fonts are selected; aliasing families and adding 2592c393a42Smrgsuitable defaults. The second is to modify how the selected fonts are 2602c393a42Smrgrasterized. Those must apply to the selected font, not the original pattern 2612c393a42Smrgas false matches will often occur. 2622c393a42Smrg </P 2632c393a42Smrg></DIV 2642c393a42Smrg><DIV 2652c393a42SmrgCLASS="REFSECT2" 2662c393a42Smrg><A 2672c393a42SmrgNAME="AEN36" 2682c393a42Smrg></A 2692c393a42Smrg><H3 2702c393a42Smrg>Font Names</H3 2712c393a42Smrg><P 2722c393a42Smrg>Fontconfig provides a textual representation for patterns that the library 2732c393a42Smrgcan both accept and generate. The representation is in three parts, first a 2742c393a42Smrglist of family names, second a list of point sizes and finally a list of 2752c393a42Smrgadditional properties: 2762c393a42Smrg </P 277a6844aabSmrg><TABLE 278a6844aabSmrgBORDER="0" 279a6844aabSmrgBGCOLOR="#E0E0E0" 280a6844aabSmrgWIDTH="100%" 281a6844aabSmrg><TR 282a6844aabSmrg><TD 2832c393a42Smrg><PRE 2842c393a42SmrgCLASS="PROGRAMLISTING" 285a6844aabSmrg> <families>-<point sizes>:<name1>=<values1>:<name2>=<values2>... 2862c393a42Smrg </PRE 287a6844aabSmrg></TD 288a6844aabSmrg></TR 289a6844aabSmrg></TABLE 2902c393a42Smrg><P 2912c393a42Smrg>Values in a list are separated with commas. The name needn't include either 2922c393a42Smrgfamilies or point sizes; they can be elided. In addition, there are 2932c393a42Smrgsymbolic constants that simultaneously indicate both a name and a value. 2942c393a42SmrgHere are some examples: 2952c393a42Smrg </P 296a6844aabSmrg><TABLE 297a6844aabSmrgBORDER="0" 298a6844aabSmrgBGCOLOR="#E0E0E0" 299a6844aabSmrgWIDTH="100%" 300a6844aabSmrg><TR 301a6844aabSmrg><TD 3022c393a42Smrg><PRE 3032c393a42SmrgCLASS="PROGRAMLISTING" 3042c393a42Smrg> Name Meaning 3052c393a42Smrg ---------------------------------------------------------- 3062c393a42Smrg Times-12 12 point Times Roman 3072c393a42Smrg Times-12:bold 12 point Times Bold 3082c393a42Smrg Courier:italic Courier Italic in the default size 3092c393a42Smrg Monospace:matrix=1 .1 0 1 The users preferred monospace font 3102c393a42Smrg with artificial obliquing 3112c393a42Smrg </PRE 312a6844aabSmrg></TD 313a6844aabSmrg></TR 314a6844aabSmrg></TABLE 3152c393a42Smrg><P 316ca08ab68Smrg>The '\', '-', ':' and ',' characters in family names must be preceded by a 3172c393a42Smrg'\' character to avoid having them misinterpreted. Similarly, values 318ca08ab68Smrgcontaining '\', '=', '_', ':' and ',' must also have them preceded by a 3192c393a42Smrg'\' character. The '\' characters are stripped out of the family name and 3202c393a42Smrgvalues as the font name is read. 3212c393a42Smrg </P 3222c393a42Smrg></DIV 3232c393a42Smrg></DIV 3242c393a42Smrg><DIV 3252c393a42SmrgCLASS="REFSECT1" 3262c393a42Smrg><A 327ca08ab68SmrgNAME="DEBUG" 3282c393a42Smrg></A 3292c393a42Smrg><H2 3302c393a42Smrg>Debugging Applications</H2 3312c393a42Smrg><P 3322c393a42Smrg>To help diagnose font and applications problems, fontconfig is built with a 3332c393a42Smrglarge amount of internal debugging left enabled. It is controlled by means 3342c393a42Smrgof the FC_DEBUG environment variable. The value of this variable is 3352c393a42Smrginterpreted as a number, and each bit within that value controls different 3362c393a42Smrgdebugging messages. 3372c393a42Smrg </P 338a6844aabSmrg><TABLE 339a6844aabSmrgBORDER="0" 340a6844aabSmrgBGCOLOR="#E0E0E0" 341a6844aabSmrgWIDTH="100%" 342a6844aabSmrg><TR 343a6844aabSmrg><TD 3442c393a42Smrg><PRE 3452c393a42SmrgCLASS="PROGRAMLISTING" 3462c393a42Smrg> Name Value Meaning 3472c393a42Smrg --------------------------------------------------------- 3482c393a42Smrg MATCH 1 Brief information about font matching 3492c393a42Smrg MATCHV 2 Extensive font matching information 3502c393a42Smrg EDIT 4 Monitor match/test/edit execution 3512c393a42Smrg FONTSET 8 Track loading of font information at startup 3522c393a42Smrg CACHE 16 Watch cache files being written 3532c393a42Smrg CACHEV 32 Extensive cache file writing information 3542c393a42Smrg PARSE 64 (no longer in use) 3552c393a42Smrg SCAN 128 Watch font files being scanned to build caches 3562c393a42Smrg SCANV 256 Verbose font file scanning information 3572c393a42Smrg MEMORY 512 Monitor fontconfig memory usage 3582c393a42Smrg CONFIG 1024 Monitor which config files are loaded 3592c393a42Smrg LANGSET 2048 Dump char sets used to construct lang values 360953daebaSmrg MATCH2 4096 Display font-matching transformation in patterns 3612c393a42Smrg </PRE 362a6844aabSmrg></TD 363a6844aabSmrg></TR 364a6844aabSmrg></TABLE 3652c393a42Smrg><P 3662c393a42Smrg>Add the value of the desired debug levels together and assign that (in 3672c393a42Smrgbase 10) to the FC_DEBUG environment variable before running the 3682c393a42Smrgapplication. Output from these statements is sent to stdout. 3692c393a42Smrg </P 3702c393a42Smrg></DIV 3712c393a42Smrg><DIV 3722c393a42SmrgCLASS="REFSECT1" 3732c393a42Smrg><A 3742c393a42SmrgNAME="AEN48" 3752c393a42Smrg></A 3762c393a42Smrg><H2 3772c393a42Smrg>Lang Tags</H2 3782c393a42Smrg><P 3792c393a42Smrg>Each font in the database contains a list of languages it supports. This is 3802c393a42Smrgcomputed by comparing the Unicode coverage of the font with the orthography 3812c393a42Smrgof each language. Languages are tagged using an RFC-3066 compatible naming 3822c393a42Smrgand occur in two parts -- the ISO 639 language tag followed a hyphen and then 3832c393a42Smrgby the ISO 3166 country code. The hyphen and country code may be elided. 3842c393a42Smrg </P 3852c393a42Smrg><P 3862c393a42Smrg>Fontconfig has orthographies for several languages built into the library. 3872c393a42SmrgNo provision has been made for adding new ones aside from rebuilding the 3882c393a42Smrglibrary. It currently supports 122 of the 139 languages named in ISO 639-1, 3892c393a42Smrg141 of the languages with two-letter codes from ISO 639-2 and another 30 3902c393a42Smrglanguages with only three-letter codes. Languages with both two and three 3912c393a42Smrgletter codes are provided with only the two letter code. 3922c393a42Smrg </P 3932c393a42Smrg><P 3942c393a42Smrg>For languages used in multiple territories with radically different 3952c393a42Smrgcharacter sets, fontconfig includes per-territory orthographies. This 3962c393a42Smrgincludes Azerbaijani, Kurdish, Pashto, Tigrinya and Chinese. 3972c393a42Smrg </P 3982c393a42Smrg></DIV 3992c393a42Smrg><DIV 4002c393a42SmrgCLASS="REFSECT1" 4012c393a42Smrg><A 4022c393a42SmrgNAME="AEN53" 4032c393a42Smrg></A 4042c393a42Smrg><H2 4052c393a42Smrg>Configuration File Format</H2 4062c393a42Smrg><P 4072c393a42Smrg>Configuration files for fontconfig are stored in XML format; this 4082c393a42Smrgformat makes external configuration tools easier to write and ensures that 4092c393a42Smrgthey will generate syntactically correct configuration files. As XML 4102c393a42Smrgfiles are plain text, they can also be manipulated by the expert user using 4112c393a42Smrga text editor. 4122c393a42Smrg </P 4132c393a42Smrg><P 4142c393a42Smrg>The fontconfig document type definition resides in the external entity 4152c393a42Smrg"fonts.dtd"; this is normally stored in the default font configuration 4162c393a42Smrgdirectory (/etc/fonts). Each configuration file should contain the 4172c393a42Smrgfollowing structure: 418a6844aabSmrg <TABLE 419a6844aabSmrgBORDER="0" 420a6844aabSmrgBGCOLOR="#E0E0E0" 421a6844aabSmrgWIDTH="100%" 422a6844aabSmrg><TR 423a6844aabSmrg><TD 424a6844aabSmrg><PRE 4252c393a42SmrgCLASS="PROGRAMLISTING" 426a6844aabSmrg> <?xml version="1.0"?> 427a4e54154Smrg <!DOCTYPE fontconfig SYSTEM "urn:fontconfig:fonts.dtd"> 428a6844aabSmrg <fontconfig> 4292c393a42Smrg ... 430a6844aabSmrg </fontconfig> 4312c393a42Smrg </PRE 432a6844aabSmrg></TD 433a6844aabSmrg></TR 434a6844aabSmrg></TABLE 4352c393a42Smrg> 4362c393a42Smrg </P 4372c393a42Smrg><DIV 4382c393a42SmrgCLASS="REFSECT2" 4392c393a42Smrg><A 4402c393a42SmrgNAME="AEN58" 4412c393a42Smrg></A 4422c393a42Smrg><H3 4432c393a42Smrg><TT 4442c393a42SmrgCLASS="LITERAL" 445a6844aabSmrg><fontconfig></TT 4462c393a42Smrg></H3 4472c393a42Smrg><P 4482c393a42Smrg>This is the top level element for a font configuration and can contain 4492c393a42Smrg<TT 4502c393a42SmrgCLASS="LITERAL" 451a6844aabSmrg><dir></TT 4522c393a42Smrg>, <TT 4532c393a42SmrgCLASS="LITERAL" 454ca08ab68Smrg><cachedir></TT 4552c393a42Smrg>, <TT 4562c393a42SmrgCLASS="LITERAL" 457a6844aabSmrg><include></TT 4582c393a42Smrg>, <TT 4592c393a42SmrgCLASS="LITERAL" 460a6844aabSmrg><match></TT 4612c393a42Smrg> and <TT 4622c393a42SmrgCLASS="LITERAL" 463a6844aabSmrg><alias></TT 4642c393a42Smrg> elements in any order. 4652c393a42Smrg </P 4662c393a42Smrg></DIV 4672c393a42Smrg><DIV 4682c393a42SmrgCLASS="REFSECT2" 4692c393a42Smrg><A 4702c393a42SmrgNAME="AEN67" 4712c393a42Smrg></A 4722c393a42Smrg><H3 4732c393a42Smrg><TT 4742c393a42SmrgCLASS="LITERAL" 475a4e54154Smrg><dir prefix="default" salt=""></TT 4762c393a42Smrg></H3 4772c393a42Smrg><P 4782c393a42Smrg>This element contains a directory name which will be scanned for font files 479a4e54154Smrgto include in the set of available fonts. 480a4e54154Smrg </P 481a4e54154Smrg><P 482a4e54154Smrg>If 'prefix' is set to "default" or "cwd", the current working directory will be added as the path prefix prior to the value. If 'prefix' is set to "xdg", the value in the XDG_DATA_HOME environment variable will be added as the path prefix. please see XDG Base Directory Specification for more details. If 'prefix' is set to "relative", the path of current file will be added prior to the value. 483a4e54154Smrg </P 484a4e54154Smrg><P 485a4e54154Smrg>'salt' property affects to determine cache filename. this is useful for example when having different fonts sets on same path at container and share fonts from host on different font path. 4862c393a42Smrg </P 4872c393a42Smrg></DIV 4882c393a42Smrg><DIV 4892c393a42SmrgCLASS="REFSECT2" 4902c393a42Smrg><A 491a4e54154SmrgNAME="AEN73" 4922c393a42Smrg></A 4932c393a42Smrg><H3 4942c393a42Smrg><TT 4952c393a42SmrgCLASS="LITERAL" 496ca08ab68Smrg><cachedir prefix="default"></TT 4972c393a42Smrg></H3 4982c393a42Smrg><P 499ca08ab68Smrg>This element contains a directory name that is supposed to be stored or read 500ca08ab68Smrgthe cache of font information. If multiple elements are specified in 501ca08ab68Smrgthe configuration file, the directory that can be accessed first in the list 502ca08ab68Smrgwill be used to store the cache files. If it starts with '~', it refers to 503ca08ab68Smrga directory in the users home directory. If 'prefix' is set to "xdg", the value in the XDG_CACHE_HOME environment variable will be added as the path prefix. please see XDG Base Directory Specification for more details. 504ca08ab68SmrgThe default directory is ``$XDG_CACHE_HOME/fontconfig'' and it contains the cache files 505ca08ab68Smrgnamed ``<TT 5062c393a42SmrgCLASS="LITERAL" 507ca08ab68Smrg><hash value></TT 508ca08ab68Smrg>-<TT 509ca08ab68SmrgCLASS="LITERAL" 510ca08ab68Smrg><architecture></TT 511ca08ab68Smrg>.cache-<TT 512ca08ab68SmrgCLASS="LITERAL" 513953daebaSmrg><version></TT 514ca08ab68Smrg>'', 515ca08ab68Smrgwhere <TT 5162c393a42SmrgCLASS="LITERAL" 517a6844aabSmrg><version></TT 518953daebaSmrg> is the fontconfig cache file 519953daebaSmrgversion number (currently 7). 5202c393a42Smrg </P 5212c393a42Smrg></DIV 5222c393a42Smrg><DIV 5232c393a42SmrgCLASS="REFSECT2" 5242c393a42Smrg><A 525a4e54154SmrgNAME="AEN81" 5262c393a42Smrg></A 5272c393a42Smrg><H3 5282c393a42Smrg><TT 5292c393a42SmrgCLASS="LITERAL" 530ca08ab68Smrg><include ignore_missing="no" prefix="default"></TT 5312c393a42Smrg></H3 5322c393a42Smrg><P 5332c393a42Smrg>This element contains the name of an additional configuration file or 5342c393a42Smrgdirectory. If a directory, every file within that directory starting with an 5352c393a42SmrgASCII digit (U+0030 - U+0039) and ending with the string ``.conf'' will be processed in sorted order. When 5362c393a42Smrgthe XML datatype is traversed by FcConfigParse, the contents of the file(s) 5372c393a42Smrgwill also be incorporated into the configuration by passing the filename(s) to 5382c393a42SmrgFcConfigLoadAndParse. If 'ignore_missing' is set to "yes" instead of the 5392c393a42Smrgdefault "no", a missing file or directory will elicit no warning message from 540ca08ab68Smrgthe library. If 'prefix' is set to "xdg", the value in the XDG_CONFIG_HOME environment variable will be added as the path prefix. please see XDG Base Directory Specification for more details. 5412c393a42Smrg </P 5422c393a42Smrg></DIV 5432c393a42Smrg><DIV 5442c393a42SmrgCLASS="REFSECT2" 5452c393a42Smrg><A 546a4e54154SmrgNAME="AEN85" 5472c393a42Smrg></A 5482c393a42Smrg><H3 5492c393a42Smrg><TT 5502c393a42SmrgCLASS="LITERAL" 551a6844aabSmrg><config></TT 5522c393a42Smrg></H3 5532c393a42Smrg><P 5542c393a42Smrg>This element provides a place to consolidate additional configuration 5552c393a42Smrginformation. <TT 5562c393a42SmrgCLASS="LITERAL" 557a6844aabSmrg><config></TT 5582c393a42Smrg> can contain <TT 5592c393a42SmrgCLASS="LITERAL" 560a6844aabSmrg><blank></TT 5612c393a42Smrg> and <TT 5622c393a42SmrgCLASS="LITERAL" 563a6844aabSmrg><rescan></TT 5642c393a42Smrg> elements in any 5652c393a42Smrgorder. 5662c393a42Smrg </P 5672c393a42Smrg></DIV 5682c393a42Smrg><DIV 5692c393a42SmrgCLASS="REFSECT2" 5702c393a42Smrg><A 571a4e54154SmrgNAME="AEN92" 572a4e54154Smrg></A 573a4e54154Smrg><H3 574a4e54154Smrg><TT 575a4e54154SmrgCLASS="LITERAL" 576a4e54154Smrg><description domain="fontconfig-conf"></TT 577a4e54154Smrg></H3 578a4e54154Smrg><P 579a4e54154Smrg>This element is supposed to hold strings which describe what a config is used for. 580a4e54154SmrgThis string can be translated through gettext. 'domain' needs to be set the proper name to apply then. 581a4e54154Smrgfontconfig will tries to retrieve translations with 'domain' from gettext. 582a4e54154Smrg </P 583a4e54154Smrg></DIV 584a4e54154Smrg><DIV 585a4e54154SmrgCLASS="REFSECT2" 586a4e54154Smrg><A 587a4e54154SmrgNAME="AEN96" 5882c393a42Smrg></A 5892c393a42Smrg><H3 5902c393a42Smrg><TT 5912c393a42SmrgCLASS="LITERAL" 592a6844aabSmrg><blank></TT 5932c393a42Smrg></H3 5942c393a42Smrg><P 5952c393a42Smrg>Fonts often include "broken" glyphs which appear in the encoding but are 5962c393a42Smrgdrawn as blanks on the screen. Within the <TT 5972c393a42SmrgCLASS="LITERAL" 598a6844aabSmrg><blank></TT 5992c393a42Smrg> element, place each 6002c393a42SmrgUnicode characters which is supposed to be blank in an <TT 6012c393a42SmrgCLASS="LITERAL" 602a6844aabSmrg><int></TT 6032c393a42Smrg> element. 6042c393a42SmrgCharacters outside of this set which are drawn as blank will be elided from 6052c393a42Smrgthe set of characters supported by the font. 6062c393a42Smrg </P 6072c393a42Smrg></DIV 6082c393a42Smrg><DIV 6092c393a42SmrgCLASS="REFSECT2" 6102c393a42Smrg><A 611a4e54154SmrgNAME="AEN102" 612a4e54154Smrg></A 613a4e54154Smrg><H3 614a4e54154Smrg><TT 615a4e54154SmrgCLASS="LITERAL" 616a4e54154Smrg><remap-dir prefix="default" as-path="" salt=""></TT 617a4e54154Smrg></H3 618a4e54154Smrg><P 619a4e54154Smrg>This element contains a directory name where will be mapped 620a4e54154Smrgas the path 'as-path' in cached information. 621a4e54154SmrgThis is useful if the directory name is an alias 622a4e54154Smrg(via a bind mount or symlink) to another directory in the system for 623a4e54154Smrgwhich cached font information is likely to exist. 624a4e54154Smrg </P 625a4e54154Smrg><P 626a4e54154Smrg>'salt' property affects to determine cache filename as same as <TT 627a4e54154SmrgCLASS="LITERAL" 628a4e54154Smrg><dir></TT 629a4e54154Smrg> element. 630a4e54154Smrg </P 631a4e54154Smrg></DIV 632a4e54154Smrg><DIV 633a4e54154SmrgCLASS="REFSECT2" 634a4e54154Smrg><A 635a4e54154SmrgNAME="AEN108" 636a4e54154Smrg></A 637a4e54154Smrg><H3 638a4e54154Smrg><TT 639a4e54154SmrgCLASS="LITERAL" 640a4e54154Smrg><reset-dirs /></TT 641a4e54154Smrg></H3 642a4e54154Smrg><P 643a4e54154Smrg>This element removes all of fonts directories where added by <TT 644a4e54154SmrgCLASS="LITERAL" 645a4e54154Smrg><dir></TT 646a4e54154Smrg> elements. 647a4e54154SmrgThis is useful to override fonts directories from system to own fonts directories only. 648a4e54154Smrg </P 649a4e54154Smrg></DIV 650a4e54154Smrg><DIV 651a4e54154SmrgCLASS="REFSECT2" 652a4e54154Smrg><A 653a4e54154SmrgNAME="AEN113" 6542c393a42Smrg></A 6552c393a42Smrg><H3 6562c393a42Smrg><TT 6572c393a42SmrgCLASS="LITERAL" 658a6844aabSmrg><rescan></TT 6592c393a42Smrg></H3 6602c393a42Smrg><P 6612c393a42Smrg>The <TT 6622c393a42SmrgCLASS="LITERAL" 663a6844aabSmrg><rescan></TT 6642c393a42Smrg> element holds an <TT 6652c393a42SmrgCLASS="LITERAL" 666a6844aabSmrg><int></TT 6672c393a42Smrg> element which indicates the default 6682c393a42Smrginterval between automatic checks for font configuration changes. 6692c393a42SmrgFontconfig will validate all of the configuration files and directories and 6702c393a42Smrgautomatically rebuild the internal datastructures when this interval passes. 6712c393a42Smrg </P 6722c393a42Smrg></DIV 6732c393a42Smrg><DIV 6742c393a42SmrgCLASS="REFSECT2" 6752c393a42Smrg><A 676a4e54154SmrgNAME="AEN119" 6772c393a42Smrg></A 6782c393a42Smrg><H3 6792c393a42Smrg><TT 6802c393a42SmrgCLASS="LITERAL" 681a6844aabSmrg><selectfont></TT 6822c393a42Smrg></H3 6832c393a42Smrg><P 6842c393a42Smrg>This element is used to black/white list fonts from being listed or matched 6852c393a42Smrgagainst. It holds acceptfont and rejectfont elements. 6862c393a42Smrg </P 6872c393a42Smrg></DIV 6882c393a42Smrg><DIV 6892c393a42SmrgCLASS="REFSECT2" 6902c393a42Smrg><A 691a4e54154SmrgNAME="AEN123" 6922c393a42Smrg></A 6932c393a42Smrg><H3 6942c393a42Smrg><TT 6952c393a42SmrgCLASS="LITERAL" 696a6844aabSmrg><acceptfont></TT 6972c393a42Smrg></H3 6982c393a42Smrg><P 6992c393a42Smrg>Fonts matched by an acceptfont element are "whitelisted"; such fonts are 7002c393a42Smrgexplicitly included in the set of fonts used to resolve list and match 7012c393a42Smrgrequests; including them in this list protects them from being "blacklisted" 7022c393a42Smrgby a rejectfont element. Acceptfont elements include glob and pattern 7032c393a42Smrgelements which are used to match fonts. 7042c393a42Smrg </P 7052c393a42Smrg></DIV 7062c393a42Smrg><DIV 7072c393a42SmrgCLASS="REFSECT2" 7082c393a42Smrg><A 709a4e54154SmrgNAME="AEN127" 7102c393a42Smrg></A 7112c393a42Smrg><H3 7122c393a42Smrg><TT 7132c393a42SmrgCLASS="LITERAL" 714a6844aabSmrg><rejectfont></TT 7152c393a42Smrg></H3 7162c393a42Smrg><P 7172c393a42Smrg>Fonts matched by an rejectfont element are "blacklisted"; such fonts are 7182c393a42Smrgexcluded from the set of fonts used to resolve list and match requests as if 7192c393a42Smrgthey didn't exist in the system. Rejectfont elements include glob and 7202c393a42Smrgpattern elements which are used to match fonts. 7212c393a42Smrg </P 7222c393a42Smrg></DIV 7232c393a42Smrg><DIV 7242c393a42SmrgCLASS="REFSECT2" 7252c393a42Smrg><A 726a4e54154SmrgNAME="AEN131" 7272c393a42Smrg></A 7282c393a42Smrg><H3 7292c393a42Smrg><TT 7302c393a42SmrgCLASS="LITERAL" 731a6844aabSmrg><glob></TT 7322c393a42Smrg></H3 7332c393a42Smrg><P 7342c393a42Smrg>Glob elements hold shell-style filename matching patterns (including ? and 7352c393a42Smrg*) which match fonts based on their complete pathnames. This can be used to 7362c393a42Smrgexclude a set of directories (/usr/share/fonts/uglyfont*), or particular 7372c393a42Smrgfont file types (*.pcf.gz), but the latter mechanism relies rather heavily 7382c393a42Smrgon filenaming conventions which can't be relied upon. Note that globs 7392c393a42Smrgonly apply to directories, not to individual fonts. 7402c393a42Smrg </P 7412c393a42Smrg></DIV 7422c393a42Smrg><DIV 7432c393a42SmrgCLASS="REFSECT2" 7442c393a42Smrg><A 745a4e54154SmrgNAME="AEN135" 7462c393a42Smrg></A 7472c393a42Smrg><H3 7482c393a42Smrg><TT 7492c393a42SmrgCLASS="LITERAL" 750a6844aabSmrg><pattern></TT 7512c393a42Smrg></H3 7522c393a42Smrg><P 7532c393a42Smrg>Pattern elements perform list-style matching on incoming fonts; that is, 7542c393a42Smrgthey hold a list of elements and associated values. If all of those 7552c393a42Smrgelements have a matching value, then the pattern matches the font. This can 7562c393a42Smrgbe used to select fonts based on attributes of the font (scalable, bold, 7572c393a42Smrgetc), which is a more reliable mechanism than using file extensions. 7582c393a42SmrgPattern elements include patelt elements. 7592c393a42Smrg </P 7602c393a42Smrg></DIV 7612c393a42Smrg><DIV 7622c393a42SmrgCLASS="REFSECT2" 7632c393a42Smrg><A 764a4e54154SmrgNAME="AEN139" 7652c393a42Smrg></A 7662c393a42Smrg><H3 7672c393a42Smrg><TT 7682c393a42SmrgCLASS="LITERAL" 769a6844aabSmrg><patelt name="property"></TT 7702c393a42Smrg></H3 7712c393a42Smrg><P 7722c393a42Smrg>Patelt elements hold a single pattern element and list of values. They must 7732c393a42Smrghave a 'name' attribute which indicates the pattern element name. Patelt 7742c393a42Smrgelements include int, double, string, matrix, bool, charset and const 7752c393a42Smrgelements. 7762c393a42Smrg </P 7772c393a42Smrg></DIV 7782c393a42Smrg><DIV 7792c393a42SmrgCLASS="REFSECT2" 7802c393a42Smrg><A 781a4e54154SmrgNAME="AEN143" 7822c393a42Smrg></A 7832c393a42Smrg><H3 7842c393a42Smrg><TT 7852c393a42SmrgCLASS="LITERAL" 786a6844aabSmrg><match target="pattern"></TT 7872c393a42Smrg></H3 7882c393a42Smrg><P 7892c393a42Smrg>This element holds first a (possibly empty) list of <TT 7902c393a42SmrgCLASS="LITERAL" 791a6844aabSmrg><test></TT 7922c393a42Smrg> elements and then 7932c393a42Smrga (possibly empty) list of <TT 7942c393a42SmrgCLASS="LITERAL" 795a6844aabSmrg><edit></TT 7962c393a42Smrg> elements. Patterns which match all of the 7972c393a42Smrgtests are subjected to all the edits. If 'target' is set to "font" instead 7982c393a42Smrgof the default "pattern", then this element applies to the font name 7992c393a42Smrgresulting from a match rather than a font pattern to be matched. If 'target' 8002c393a42Smrgis set to "scan", then this element applies when the font is scanned to 8012c393a42Smrgbuild the fontconfig database. 8022c393a42Smrg </P 8032c393a42Smrg></DIV 8042c393a42Smrg><DIV 8052c393a42SmrgCLASS="REFSECT2" 8062c393a42Smrg><A 807a4e54154SmrgNAME="AEN149" 8082c393a42Smrg></A 8092c393a42Smrg><H3 8102c393a42Smrg><TT 8112c393a42SmrgCLASS="LITERAL" 812a6844aabSmrg><test qual="any" name="property" target="default" compare="eq"></TT 8132c393a42Smrg></H3 8142c393a42Smrg><P 8152c393a42Smrg>This element contains a single value which is compared with the target 8162c393a42Smrg('pattern', 'font', 'scan' or 'default') property "property" (substitute any of the property names seen 817ca08ab68Smrgabove). 'compare' can be one of "eq", "not_eq", "less", "less_eq", "more", "more_eq", "contains" or 818ca08ab68Smrg"not_contains". 'qual' may either be the default, "any", in which case the match 8192c393a42Smrgsucceeds if any value associated with the property matches the test value, or 8202c393a42Smrg"all", in which case all of the values associated with the property must 821ca08ab68Smrgmatch the test value. 'ignore-blanks' takes a boolean value. if 'ignore-blanks' is set "true", any blanks in the string will be ignored on its comparison. this takes effects only when compare="eq" or compare="not_eq". 822ca08ab68SmrgWhen used in a <match target="font"> element, 823a6844aabSmrgthe target= attribute in the <test> element selects between matching 8242c393a42Smrgthe original pattern or the font. "default" selects whichever target the 825a6844aabSmrgouter <match> element has selected. 8262c393a42Smrg </P 8272c393a42Smrg></DIV 8282c393a42Smrg><DIV 8292c393a42SmrgCLASS="REFSECT2" 8302c393a42Smrg><A 831a4e54154SmrgNAME="AEN153" 8322c393a42Smrg></A 8332c393a42Smrg><H3 8342c393a42Smrg><TT 8352c393a42SmrgCLASS="LITERAL" 836a6844aabSmrg><edit name="property" mode="assign" binding="weak"></TT 8372c393a42Smrg></H3 8382c393a42Smrg><P 8392c393a42Smrg>This element contains a list of expression elements (any of the value or 8402c393a42Smrgoperator elements). The expression elements are evaluated at run-time and 8412c393a42Smrgmodify the property "property". The modification depends on whether 8422c393a42Smrg"property" was matched by one of the associated <TT 8432c393a42SmrgCLASS="LITERAL" 844a6844aabSmrg><test></TT 8452c393a42Smrg> elements, if so, the 8462c393a42Smrgmodification may affect the first matched value. Any values inserted into 8472c393a42Smrgthe property are given the indicated binding ("strong", "weak" or "same") 8482c393a42Smrgwith "same" binding using the value from the matched pattern element. 8492c393a42Smrg'mode' is one of: 850a6844aabSmrg <TABLE 851a6844aabSmrgBORDER="0" 852a6844aabSmrgBGCOLOR="#E0E0E0" 853a6844aabSmrgWIDTH="100%" 854a6844aabSmrg><TR 855a6844aabSmrg><TD 856a6844aabSmrg><PRE 8572c393a42SmrgCLASS="PROGRAMLISTING" 8582c393a42Smrg> Mode With Match Without Match 8592c393a42Smrg --------------------------------------------------------------------- 8602c393a42Smrg "assign" Replace matching value Replace all values 8612c393a42Smrg "assign_replace" Replace all values Replace all values 8622c393a42Smrg "prepend" Insert before matching Insert at head of list 8632c393a42Smrg "prepend_first" Insert at head of list Insert at head of list 8642c393a42Smrg "append" Append after matching Append at end of list 8652c393a42Smrg "append_last" Append at end of list Append at end of list 866c9710b42Smrg "delete" Delete matching value Delete all values 867c9710b42Smrg "delete_all" Delete all values Delete all values 8682c393a42Smrg </PRE 869a6844aabSmrg></TD 870a6844aabSmrg></TR 871a6844aabSmrg></TABLE 8722c393a42Smrg> 8732c393a42Smrg </P 8742c393a42Smrg></DIV 8752c393a42Smrg><DIV 8762c393a42SmrgCLASS="REFSECT2" 8772c393a42Smrg><A 878a4e54154SmrgNAME="AEN159" 8792c393a42Smrg></A 8802c393a42Smrg><H3 8812c393a42Smrg><TT 8822c393a42SmrgCLASS="LITERAL" 883a6844aabSmrg><int></TT 8842c393a42Smrg>, <TT 8852c393a42SmrgCLASS="LITERAL" 886a6844aabSmrg><double></TT 8872c393a42Smrg>, <TT 8882c393a42SmrgCLASS="LITERAL" 889a6844aabSmrg><string></TT 8902c393a42Smrg>, <TT 8912c393a42SmrgCLASS="LITERAL" 892a6844aabSmrg><bool></TT 8932c393a42Smrg></H3 8942c393a42Smrg><P 8952c393a42Smrg>These elements hold a single value of the indicated type. <TT 8962c393a42SmrgCLASS="LITERAL" 897a6844aabSmrg><bool></TT 8982c393a42Smrg> 8992c393a42Smrgelements hold either true or false. An important limitation exists in 9002c393a42Smrgthe parsing of floating point numbers -- fontconfig requires that 9012c393a42Smrgthe mantissa start with a digit, not a decimal point, so insert a leading 9022c393a42Smrgzero for purely fractional values (e.g. use 0.5 instead of .5 and -0.5 9032c393a42Smrginstead of -.5). 9042c393a42Smrg </P 9052c393a42Smrg></DIV 9062c393a42Smrg><DIV 9072c393a42SmrgCLASS="REFSECT2" 9082c393a42Smrg><A 909a4e54154SmrgNAME="AEN167" 9102c393a42Smrg></A 9112c393a42Smrg><H3 9122c393a42Smrg><TT 9132c393a42SmrgCLASS="LITERAL" 914a6844aabSmrg><matrix></TT 9152c393a42Smrg></H3 9162c393a42Smrg><P 917c9710b42Smrg>This element holds four numerical expressions of an affine transformation. 918c9710b42SmrgAt their simplest these will be four <TT 9192c393a42SmrgCLASS="LITERAL" 920a6844aabSmrg><double></TT 921c9710b42Smrg> elements 922c9710b42Smrgbut they can also be more involved expressions. 9232c393a42Smrg </P 9242c393a42Smrg></DIV 9252c393a42Smrg><DIV 9262c393a42SmrgCLASS="REFSECT2" 9272c393a42Smrg><A 928a4e54154SmrgNAME="AEN172" 929ca08ab68Smrg></A 930ca08ab68Smrg><H3 931ca08ab68Smrg><TT 932ca08ab68SmrgCLASS="LITERAL" 933ca08ab68Smrg><range></TT 934ca08ab68Smrg></H3 935ca08ab68Smrg><P 936ca08ab68Smrg>This element holds the two <TT 937ca08ab68SmrgCLASS="LITERAL" 938ca08ab68Smrg><int></TT 939ca08ab68Smrg> elements of a range 940ca08ab68Smrgrepresentation. 941ca08ab68Smrg </P 942ca08ab68Smrg></DIV 943ca08ab68Smrg><DIV 944ca08ab68SmrgCLASS="REFSECT2" 945ca08ab68Smrg><A 946a4e54154SmrgNAME="AEN177" 947ca08ab68Smrg></A 948ca08ab68Smrg><H3 949ca08ab68Smrg><TT 950ca08ab68SmrgCLASS="LITERAL" 951ca08ab68Smrg><charset></TT 952ca08ab68Smrg></H3 953ca08ab68Smrg><P 954ca08ab68Smrg>This element holds at least one <TT 955ca08ab68SmrgCLASS="LITERAL" 956ca08ab68Smrg><int></TT 957ca08ab68Smrg> element of 958ca08ab68Smrgan Unicode code point or more. 959ca08ab68Smrg </P 960ca08ab68Smrg></DIV 961ca08ab68Smrg><DIV 962ca08ab68SmrgCLASS="REFSECT2" 963ca08ab68Smrg><A 964a4e54154SmrgNAME="AEN182" 965ca08ab68Smrg></A 966ca08ab68Smrg><H3 967ca08ab68Smrg><TT 968ca08ab68SmrgCLASS="LITERAL" 969ca08ab68Smrg><langset></TT 970ca08ab68Smrg></H3 971ca08ab68Smrg><P 972ca08ab68Smrg>This element holds at least one <TT 973ca08ab68SmrgCLASS="LITERAL" 974ca08ab68Smrg><string></TT 975ca08ab68Smrg> element of 976ca08ab68Smrga RFC-3066-style languages or more. 977ca08ab68Smrg </P 978ca08ab68Smrg></DIV 979ca08ab68Smrg><DIV 980ca08ab68SmrgCLASS="REFSECT2" 981ca08ab68Smrg><A 982a4e54154SmrgNAME="AEN187" 9832c393a42Smrg></A 9842c393a42Smrg><H3 9852c393a42Smrg><TT 9862c393a42SmrgCLASS="LITERAL" 987a6844aabSmrg><name></TT 9882c393a42Smrg></H3 9892c393a42Smrg><P 9902c393a42Smrg>Holds a property name. Evaluates to the first value from the property of 991c9710b42Smrgthe pattern. If the 'target' attribute is not present, it will default to 992c9710b42Smrg'default', in which case the property is returned from the font pattern 993c9710b42Smrgduring a target="font" match, and to the pattern during a target="pattern" 994c9710b42Smrgmatch. The attribute can also take the values 'font' or 'pattern' to 995c9710b42Smrgexplicitly choose which pattern to use. It is an error to use a target 996c9710b42Smrgof 'font' in a match that has target="pattern". 9972c393a42Smrg </P 9982c393a42Smrg></DIV 9992c393a42Smrg><DIV 10002c393a42SmrgCLASS="REFSECT2" 10012c393a42Smrg><A 1002a4e54154SmrgNAME="AEN191" 10032c393a42Smrg></A 10042c393a42Smrg><H3 10052c393a42Smrg><TT 10062c393a42SmrgCLASS="LITERAL" 1007a6844aabSmrg><const></TT 10082c393a42Smrg></H3 10092c393a42Smrg><P 10102c393a42Smrg>Holds the name of a constant; these are always integers and serve as 10112c393a42Smrgsymbolic names for common font values: 1012a6844aabSmrg <TABLE 1013a6844aabSmrgBORDER="0" 1014a6844aabSmrgBGCOLOR="#E0E0E0" 1015a6844aabSmrgWIDTH="100%" 1016a6844aabSmrg><TR 1017a6844aabSmrg><TD 1018a6844aabSmrg><PRE 10192c393a42SmrgCLASS="PROGRAMLISTING" 10202c393a42Smrg> Constant Property Value 10212c393a42Smrg ------------------------------------- 10222c393a42Smrg thin weight 0 10232c393a42Smrg extralight weight 40 10242c393a42Smrg ultralight weight 40 10252c393a42Smrg light weight 50 1026953daebaSmrg demilight weight 55 1027953daebaSmrg semilight weight 55 10282c393a42Smrg book weight 75 10292c393a42Smrg regular weight 80 10302c393a42Smrg normal weight 80 10312c393a42Smrg medium weight 100 10322c393a42Smrg demibold weight 180 10332c393a42Smrg semibold weight 180 10342c393a42Smrg bold weight 200 10352c393a42Smrg extrabold weight 205 10362c393a42Smrg black weight 210 10372c393a42Smrg heavy weight 210 10382c393a42Smrg roman slant 0 10392c393a42Smrg italic slant 100 10402c393a42Smrg oblique slant 110 10412c393a42Smrg ultracondensed width 50 10422c393a42Smrg extracondensed width 63 10432c393a42Smrg condensed width 75 10442c393a42Smrg semicondensed width 87 10452c393a42Smrg normal width 100 10462c393a42Smrg semiexpanded width 113 10472c393a42Smrg expanded width 125 10482c393a42Smrg extraexpanded width 150 10492c393a42Smrg ultraexpanded width 200 10502c393a42Smrg proportional spacing 0 10512c393a42Smrg dual spacing 90 10522c393a42Smrg mono spacing 100 10532c393a42Smrg charcell spacing 110 10542c393a42Smrg unknown rgba 0 10552c393a42Smrg rgb rgba 1 10562c393a42Smrg bgr rgba 2 10572c393a42Smrg vrgb rgba 3 10582c393a42Smrg vbgr rgba 4 10592c393a42Smrg none rgba 5 10602c393a42Smrg lcdnone lcdfilter 0 10612c393a42Smrg lcddefault lcdfilter 1 10622c393a42Smrg lcdlight lcdfilter 2 10632c393a42Smrg lcdlegacy lcdfilter 3 10642c393a42Smrg hintnone hintstyle 0 10652c393a42Smrg hintslight hintstyle 1 10662c393a42Smrg hintmedium hintstyle 2 10672c393a42Smrg hintfull hintstyle 3 10682c393a42Smrg </PRE 1069a6844aabSmrg></TD 1070a6844aabSmrg></TR 1071a6844aabSmrg></TABLE 10722c393a42Smrg> 10732c393a42Smrg </P 10742c393a42Smrg></DIV 10752c393a42Smrg><DIV 10762c393a42SmrgCLASS="REFSECT2" 10772c393a42Smrg><A 1078a4e54154SmrgNAME="AEN196" 10792c393a42Smrg></A 10802c393a42Smrg><H3 10812c393a42Smrg><TT 10822c393a42SmrgCLASS="LITERAL" 1083a6844aabSmrg><or></TT 10842c393a42Smrg>, <TT 10852c393a42SmrgCLASS="LITERAL" 1086a6844aabSmrg><and></TT 10872c393a42Smrg>, <TT 10882c393a42SmrgCLASS="LITERAL" 1089a6844aabSmrg><plus></TT 10902c393a42Smrg>, <TT 10912c393a42SmrgCLASS="LITERAL" 1092a6844aabSmrg><minus></TT 10932c393a42Smrg>, <TT 10942c393a42SmrgCLASS="LITERAL" 1095a6844aabSmrg><times></TT 10962c393a42Smrg>, <TT 10972c393a42SmrgCLASS="LITERAL" 1098a6844aabSmrg><divide></TT 10992c393a42Smrg></H3 11002c393a42Smrg><P 11012c393a42Smrg>These elements perform the specified operation on a list of expression 11022c393a42Smrgelements. <TT 11032c393a42SmrgCLASS="LITERAL" 1104a6844aabSmrg><or></TT 11052c393a42Smrg> and <TT 11062c393a42SmrgCLASS="LITERAL" 1107a6844aabSmrg><and></TT 11082c393a42Smrg> are boolean, not bitwise. 11092c393a42Smrg </P 11102c393a42Smrg></DIV 11112c393a42Smrg><DIV 11122c393a42SmrgCLASS="REFSECT2" 11132c393a42Smrg><A 1114a4e54154SmrgNAME="AEN207" 11152c393a42Smrg></A 11162c393a42Smrg><H3 11172c393a42Smrg><TT 11182c393a42SmrgCLASS="LITERAL" 1119a6844aabSmrg><eq></TT 11202c393a42Smrg>, <TT 11212c393a42SmrgCLASS="LITERAL" 1122a6844aabSmrg><not_eq></TT 11232c393a42Smrg>, <TT 11242c393a42SmrgCLASS="LITERAL" 1125a6844aabSmrg><less></TT 11262c393a42Smrg>, <TT 11272c393a42SmrgCLASS="LITERAL" 1128a6844aabSmrg><less_eq></TT 11292c393a42Smrg>, <TT 11302c393a42SmrgCLASS="LITERAL" 1131a6844aabSmrg><more></TT 11322c393a42Smrg>, <TT 11332c393a42SmrgCLASS="LITERAL" 1134a6844aabSmrg><more_eq></TT 1135ca08ab68Smrg>, <TT 1136ca08ab68SmrgCLASS="LITERAL" 1137ca08ab68Smrg><contains></TT 1138ca08ab68Smrg>, <TT 1139ca08ab68SmrgCLASS="LITERAL" 1140ca08ab68Smrg><not_contains</TT 11412c393a42Smrg></H3 11422c393a42Smrg><P 11432c393a42Smrg>These elements compare two values, producing a boolean result. 11442c393a42Smrg </P 11452c393a42Smrg></DIV 11462c393a42Smrg><DIV 11472c393a42SmrgCLASS="REFSECT2" 11482c393a42Smrg><A 1149a4e54154SmrgNAME="AEN218" 11502c393a42Smrg></A 11512c393a42Smrg><H3 11522c393a42Smrg><TT 11532c393a42SmrgCLASS="LITERAL" 1154a6844aabSmrg><not></TT 11552c393a42Smrg></H3 11562c393a42Smrg><P 11572c393a42Smrg>Inverts the boolean sense of its one expression element 11582c393a42Smrg </P 11592c393a42Smrg></DIV 11602c393a42Smrg><DIV 11612c393a42SmrgCLASS="REFSECT2" 11622c393a42Smrg><A 1163a4e54154SmrgNAME="AEN222" 11642c393a42Smrg></A 11652c393a42Smrg><H3 11662c393a42Smrg><TT 11672c393a42SmrgCLASS="LITERAL" 1168a6844aabSmrg><if></TT 11692c393a42Smrg></H3 11702c393a42Smrg><P 11712c393a42Smrg>This element takes three expression elements; if the value of the first is 11722c393a42Smrgtrue, it produces the value of the second, otherwise it produces the value 11732c393a42Smrgof the third. 11742c393a42Smrg </P 11752c393a42Smrg></DIV 11762c393a42Smrg><DIV 11772c393a42SmrgCLASS="REFSECT2" 11782c393a42Smrg><A 1179a4e54154SmrgNAME="AEN226" 11802c393a42Smrg></A 11812c393a42Smrg><H3 11822c393a42Smrg><TT 11832c393a42SmrgCLASS="LITERAL" 1184a6844aabSmrg><alias></TT 11852c393a42Smrg></H3 11862c393a42Smrg><P 11872c393a42Smrg>Alias elements provide a shorthand notation for the set of common match 11882c393a42Smrgoperations needed to substitute one font family for another. They contain a 11892c393a42Smrg<TT 11902c393a42SmrgCLASS="LITERAL" 1191a6844aabSmrg><family></TT 11922c393a42Smrg> element followed by optional <TT 11932c393a42SmrgCLASS="LITERAL" 1194a6844aabSmrg><prefer></TT 11952c393a42Smrg>, <TT 11962c393a42SmrgCLASS="LITERAL" 1197a6844aabSmrg><accept></TT 11982c393a42Smrg> and <TT 11992c393a42SmrgCLASS="LITERAL" 1200a6844aabSmrg><default></TT 12012c393a42Smrg> 12022c393a42Smrgelements. Fonts matching the <TT 12032c393a42SmrgCLASS="LITERAL" 1204a6844aabSmrg><family></TT 12052c393a42Smrg> element are edited to prepend the 12062c393a42Smrglist of <TT 12072c393a42SmrgCLASS="LITERAL" 1208a6844aabSmrg><prefer></TT 12092c393a42Smrg>ed families before the matching <TT 12102c393a42SmrgCLASS="LITERAL" 1211a6844aabSmrg><family></TT 12122c393a42Smrg>, append the 12132c393a42Smrg<TT 12142c393a42SmrgCLASS="LITERAL" 1215a6844aabSmrg><accept></TT 12162c393a42Smrg>able families after the matching <TT 12172c393a42SmrgCLASS="LITERAL" 1218a6844aabSmrg><family></TT 12192c393a42Smrg> and append the <TT 12202c393a42SmrgCLASS="LITERAL" 1221a6844aabSmrg><default></TT 12222c393a42Smrg> 12232c393a42Smrgfamilies to the end of the family list. 12242c393a42Smrg </P 12252c393a42Smrg></DIV 12262c393a42Smrg><DIV 12272c393a42SmrgCLASS="REFSECT2" 12282c393a42Smrg><A 1229a4e54154SmrgNAME="AEN240" 12302c393a42Smrg></A 12312c393a42Smrg><H3 12322c393a42Smrg><TT 12332c393a42SmrgCLASS="LITERAL" 1234a6844aabSmrg><family></TT 12352c393a42Smrg></H3 12362c393a42Smrg><P 12372c393a42Smrg>Holds a single font family name 12382c393a42Smrg </P 12392c393a42Smrg></DIV 12402c393a42Smrg><DIV 12412c393a42SmrgCLASS="REFSECT2" 12422c393a42Smrg><A 1243a4e54154SmrgNAME="AEN244" 12442c393a42Smrg></A 12452c393a42Smrg><H3 12462c393a42Smrg><TT 12472c393a42SmrgCLASS="LITERAL" 1248a6844aabSmrg><prefer></TT 12492c393a42Smrg>, <TT 12502c393a42SmrgCLASS="LITERAL" 1251a6844aabSmrg><accept></TT 12522c393a42Smrg>, <TT 12532c393a42SmrgCLASS="LITERAL" 1254a6844aabSmrg><default></TT 12552c393a42Smrg></H3 12562c393a42Smrg><P 12572c393a42Smrg>These hold a list of <TT 12582c393a42SmrgCLASS="LITERAL" 1259a6844aabSmrg><family></TT 12602c393a42Smrg> elements to be used by the <TT 12612c393a42SmrgCLASS="LITERAL" 1262a6844aabSmrg><alias></TT 12632c393a42Smrg> element. 12642c393a42Smrg </P 12652c393a42Smrg></DIV 12662c393a42Smrg></DIV 12672c393a42Smrg><DIV 12682c393a42SmrgCLASS="REFSECT1" 12692c393a42Smrg><A 1270a4e54154SmrgNAME="AEN252" 12712c393a42Smrg></A 12722c393a42Smrg><H2 12732c393a42Smrg>EXAMPLE CONFIGURATION FILE</H2 12742c393a42Smrg><DIV 12752c393a42SmrgCLASS="REFSECT2" 12762c393a42Smrg><A 1277a4e54154SmrgNAME="AEN254" 12782c393a42Smrg></A 12792c393a42Smrg><H3 12802c393a42Smrg>System configuration file</H3 12812c393a42Smrg><P 12822c393a42Smrg>This is an example of a system-wide configuration file 12832c393a42Smrg </P 1284a6844aabSmrg><TABLE 1285a6844aabSmrgBORDER="0" 1286a6844aabSmrgBGCOLOR="#E0E0E0" 1287a6844aabSmrgWIDTH="100%" 1288a6844aabSmrg><TR 1289a6844aabSmrg><TD 12902c393a42Smrg><PRE 12912c393a42SmrgCLASS="PROGRAMLISTING" 1292a6844aabSmrg><?xml version="1.0"?> 1293a4e54154Smrg<!DOCTYPE fontconfig SYSTEM "urn:fontconfig:fonts.dtd"> 1294a6844aabSmrg<!-- /etc/fonts/fonts.conf file to configure system font access --> 1295a6844aabSmrg<fontconfig> 1296a6844aabSmrg<!-- 12972c393a42Smrg Find fonts in these directories 1298a6844aabSmrg--> 1299a6844aabSmrg<dir>/usr/share/fonts</dir> 1300a6844aabSmrg<dir>/usr/X11R6/lib/X11/fonts</dir> 13012c393a42Smrg 1302a6844aabSmrg<!-- 13032c393a42Smrg Accept deprecated 'mono' alias, replacing it with 'monospace' 1304a6844aabSmrg--> 1305a6844aabSmrg<match target="pattern"> 1306a6844aabSmrg <test qual="any" name="family"><string>mono</string></test> 1307a6844aabSmrg <edit name="family" mode="assign"><string>monospace</string></edit> 1308a6844aabSmrg</match> 13092c393a42Smrg 1310a6844aabSmrg<!-- 1311ca08ab68Smrg Names not including any well known alias are given 'sans-serif' 1312a6844aabSmrg--> 1313a6844aabSmrg<match target="pattern"> 1314a32e9e42Smrg <test qual="all" name="family" compare="not_eq"><string>sans-serif</string></test> 1315a32e9e42Smrg <test qual="all" name="family" compare="not_eq"><string>serif</string></test> 1316a32e9e42Smrg <test qual="all" name="family" compare="not_eq"><string>monospace</string></test> 1317ca08ab68Smrg <edit name="family" mode="append_last"><string>sans-serif</string></edit> 1318a6844aabSmrg</match> 13192c393a42Smrg 1320a6844aabSmrg<!-- 13212c393a42Smrg Load per-user customization file, but don't complain 13222c393a42Smrg if it doesn't exist 1323a6844aabSmrg--> 1324ca08ab68Smrg<include ignore_missing="yes" prefix="xdg">fontconfig/fonts.conf</include> 13252c393a42Smrg 1326a6844aabSmrg<!-- 13272c393a42Smrg Load local customization files, but don't complain 13282c393a42Smrg if there aren't any 1329a6844aabSmrg--> 1330a6844aabSmrg<include ignore_missing="yes">conf.d</include> 1331a6844aabSmrg<include ignore_missing="yes">local.conf</include> 13322c393a42Smrg 1333a6844aabSmrg<!-- 13342c393a42Smrg Alias well known font names to available TrueType fonts. 13352c393a42Smrg These substitute TrueType faces for similar Type1 13362c393a42Smrg faces to improve screen appearance. 1337a6844aabSmrg--> 1338a6844aabSmrg<alias> 1339a6844aabSmrg <family>Times</family> 1340a6844aabSmrg <prefer><family>Times New Roman</family></prefer> 1341a6844aabSmrg <default><family>serif</family></default> 1342a6844aabSmrg</alias> 1343a6844aabSmrg<alias> 1344a6844aabSmrg <family>Helvetica</family> 1345a6844aabSmrg <prefer><family>Arial</family></prefer> 1346a6844aabSmrg <default><family>sans</family></default> 1347a6844aabSmrg</alias> 1348a6844aabSmrg<alias> 1349a6844aabSmrg <family>Courier</family> 1350a6844aabSmrg <prefer><family>Courier New</family></prefer> 1351a6844aabSmrg <default><family>monospace</family></default> 1352a6844aabSmrg</alias> 13532c393a42Smrg 1354a6844aabSmrg<!-- 13552c393a42Smrg Provide required aliases for standard names 13562c393a42Smrg Do these after the users configuration file so that 13572c393a42Smrg any aliases there are used preferentially 1358a6844aabSmrg--> 1359a6844aabSmrg<alias> 1360a6844aabSmrg <family>serif</family> 1361a6844aabSmrg <prefer><family>Times New Roman</family></prefer> 1362a6844aabSmrg</alias> 1363a6844aabSmrg<alias> 1364a6844aabSmrg <family>sans</family> 1365a6844aabSmrg <prefer><family>Arial</family></prefer> 1366a6844aabSmrg</alias> 1367a6844aabSmrg<alias> 1368a6844aabSmrg <family>monospace</family> 1369a6844aabSmrg <prefer><family>Andale Mono</family></prefer> 1370a6844aabSmrg</alias> 1371ca08ab68Smrg 1372ca08ab68Smrg<-- 1373ca08ab68Smrg The example of the requirements of OR operator; 1374ca08ab68Smrg If the 'family' contains 'Courier New' OR 'Courier' 1375ca08ab68Smrg add 'monospace' as the alternative 1376ca08ab68Smrg--> 1377ca08ab68Smrg<match target="pattern"> 1378a32e9e42Smrg <test name="family" compare="eq"> 1379ca08ab68Smrg <string>Courier New</string> 1380ca08ab68Smrg </test> 1381ca08ab68Smrg <edit name="family" mode="prepend"> 1382ca08ab68Smrg <string>monospace</string> 1383ca08ab68Smrg </edit> 1384ca08ab68Smrg</match> 1385ca08ab68Smrg<match target="pattern"> 1386a32e9e42Smrg <test name="family" compare="eq"> 1387ca08ab68Smrg <string>Courier</string> 1388ca08ab68Smrg </test> 1389ca08ab68Smrg <edit name="family" mode="prepend"> 1390ca08ab68Smrg <string>monospace</string> 1391ca08ab68Smrg </edit> 1392ca08ab68Smrg</match> 1393ca08ab68Smrg 1394a6844aabSmrg</fontconfig> 13952c393a42Smrg </PRE 1396a6844aabSmrg></TD 1397a6844aabSmrg></TR 1398a6844aabSmrg></TABLE 13992c393a42Smrg></DIV 14002c393a42Smrg><DIV 14012c393a42SmrgCLASS="REFSECT2" 14022c393a42Smrg><A 1403a4e54154SmrgNAME="AEN258" 14042c393a42Smrg></A 14052c393a42Smrg><H3 14062c393a42Smrg>User configuration file</H3 14072c393a42Smrg><P 14082c393a42Smrg>This is an example of a per-user configuration file that lives in 1409ca08ab68Smrg$XDG_CONFIG_HOME/fontconfig/fonts.conf 14102c393a42Smrg </P 1411a6844aabSmrg><TABLE 1412a6844aabSmrgBORDER="0" 1413a6844aabSmrgBGCOLOR="#E0E0E0" 1414a6844aabSmrgWIDTH="100%" 1415a6844aabSmrg><TR 1416a6844aabSmrg><TD 14172c393a42Smrg><PRE 14182c393a42SmrgCLASS="PROGRAMLISTING" 1419a6844aabSmrg><?xml version="1.0"?> 1420a4e54154Smrg<!DOCTYPE fontconfig SYSTEM "urn:fontconfig:fonts.dtd"> 1421ca08ab68Smrg<!-- $XDG_CONFIG_HOME/fontconfig/fonts.conf for per-user font configuration --> 1422a6844aabSmrg<fontconfig> 14232c393a42Smrg 1424a6844aabSmrg<!-- 14252c393a42Smrg Private font directory 1426a6844aabSmrg--> 1427ca08ab68Smrg<dir prefix="xdg">fonts</dir> 14282c393a42Smrg 1429a6844aabSmrg<!-- 14302c393a42Smrg use rgb sub-pixel ordering to improve glyph appearance on 14312c393a42Smrg LCD screens. Changes affecting rendering, but not matching 14322c393a42Smrg should always use target="font". 1433a6844aabSmrg--> 1434a6844aabSmrg<match target="font"> 1435a6844aabSmrg <edit name="rgba" mode="assign"><const>rgb</const></edit> 1436a6844aabSmrg</match> 1437ca08ab68Smrg<!-- 1438ca08ab68Smrg use WenQuanYi Zen Hei font when serif is requested for Chinese 1439ca08ab68Smrg--> 1440ca08ab68Smrg<match> 1441ca08ab68Smrg <!-- 1442ca08ab68Smrg If you don't want to use WenQuanYi Zen Hei font for zh-tw etc, 1443ca08ab68Smrg you can use zh-cn instead of zh. 1444ca08ab68Smrg Please note, even if you set zh-cn, it still matches zh. 1445ca08ab68Smrg if you don't like it, you can use compare="eq" 1446ca08ab68Smrg instead of compare="contains". 1447ca08ab68Smrg --> 1448ca08ab68Smrg <test name="lang" compare="contains"> 1449ca08ab68Smrg <string>zh</string> 1450ca08ab68Smrg </test> 1451ca08ab68Smrg <test name="family"> 1452ca08ab68Smrg <string>serif</string> 1453ca08ab68Smrg </test> 1454ca08ab68Smrg <edit name="family" mode="prepend"> 1455ca08ab68Smrg <string>WenQuanYi Zen Hei</string> 1456ca08ab68Smrg </edit> 1457ca08ab68Smrg</match> 1458ca08ab68Smrg<!-- 1459ca08ab68Smrg use VL Gothic font when sans-serif is requested for Japanese 1460ca08ab68Smrg--> 1461ca08ab68Smrg<match> 1462ca08ab68Smrg <test name="lang" compare="contains"> 1463ca08ab68Smrg <string>ja</string> 1464ca08ab68Smrg </test> 1465ca08ab68Smrg <test name="family"> 1466ca08ab68Smrg <string>sans-serif</string> 1467ca08ab68Smrg </test> 1468ca08ab68Smrg <edit name="family" mode="prepend"> 1469ca08ab68Smrg <string>VL Gothic</string> 1470ca08ab68Smrg </edit> 1471ca08ab68Smrg</match> 1472a6844aabSmrg</fontconfig> 14732c393a42Smrg </PRE 1474a6844aabSmrg></TD 1475a6844aabSmrg></TR 1476a6844aabSmrg></TABLE 14772c393a42Smrg></DIV 14782c393a42Smrg></DIV 14792c393a42Smrg><DIV 14802c393a42SmrgCLASS="REFSECT1" 14812c393a42Smrg><A 1482a4e54154SmrgNAME="AEN262" 14832c393a42Smrg></A 14842c393a42Smrg><H2 14852c393a42Smrg>Files</H2 14862c393a42Smrg><P 14872c393a42Smrg><I 14882c393a42SmrgCLASS="EMPHASIS" 14892c393a42Smrg>fonts.conf</I 14902c393a42Smrg> 14912c393a42Smrgcontains configuration information for the fontconfig library 14922c393a42Smrgconsisting of directories to look at for font information as well as 14932c393a42Smrginstructions on editing program specified font patterns before attempting to 1494ca08ab68Smrgmatch the available fonts. It is in XML format. 14952c393a42Smrg </P 14962c393a42Smrg><P 14972c393a42Smrg><I 14982c393a42SmrgCLASS="EMPHASIS" 14992c393a42Smrg>conf.d</I 15002c393a42Smrg> 15012c393a42Smrgis the conventional name for a directory of additional configuration files 15022c393a42Smrgmanaged by external applications or the local administrator. The 15032c393a42Smrgfilenames starting with decimal digits are sorted in lexicographic order 1504ca08ab68Smrgand used as additional configuration files. All of these files are in XML 15052c393a42Smrgformat. The master fonts.conf file references this directory in an 1506a6844aabSmrg<include> directive. 15072c393a42Smrg </P 15082c393a42Smrg><P 15092c393a42Smrg><I 15102c393a42SmrgCLASS="EMPHASIS" 15112c393a42Smrg>fonts.dtd</I 15122c393a42Smrg> 15132c393a42Smrgis a DTD that describes the format of the configuration files. 15142c393a42Smrg </P 15152c393a42Smrg><P 1516a6844aabSmrg><I 1517a6844aabSmrgCLASS="EMPHASIS" 1518ca08ab68Smrg>$XDG_CONFIG_HOME/fontconfig/conf.d</I 1519ca08ab68Smrg> and <I 1520ca08ab68SmrgCLASS="EMPHASIS" 1521a6844aabSmrg>~/.fonts.conf.d</I 1522a6844aabSmrg> 1523a6844aabSmrgis the conventional name for a per-user directory of (typically 1524a6844aabSmrgauto-generated) configuration files, although the 1525ca08ab68Smrgactual location is specified in the global fonts.conf file. please note that ~/.fonts.conf.d is deprecated now. it will not be read by default in the future version. 1526a6844aabSmrg </P 1527a6844aabSmrg><P 15282c393a42Smrg><I 15292c393a42SmrgCLASS="EMPHASIS" 1530ca08ab68Smrg>$XDG_CONFIG_HOME/fontconfig/fonts.conf</I 1531ca08ab68Smrg> and <I 1532ca08ab68SmrgCLASS="EMPHASIS" 15332c393a42Smrg>~/.fonts.conf</I 15342c393a42Smrg> 15352c393a42Smrgis the conventional location for per-user font configuration, although the 1536ca08ab68Smrgactual location is specified in the global fonts.conf file. please note that ~/.fonts.conf is deprecated now. it will not be read by default in the future version. 15372c393a42Smrg </P 15382c393a42Smrg><P 15392c393a42Smrg><I 15402c393a42SmrgCLASS="EMPHASIS" 1541ca08ab68Smrg>$XDG_CACHE_HOME/fontconfig/*.cache-*</I 1542ca08ab68Smrg> and <I 1543ca08ab68SmrgCLASS="EMPHASIS" 1544ca08ab68Smrg> ~/.fontconfig/*.cache-*</I 15452c393a42Smrg> 15462c393a42Smrgis the conventional repository of font information that isn't found in the 1547ca08ab68Smrgper-directory caches. This file is automatically maintained by fontconfig. please note that ~/.fontconfig/*.cache-* is deprecated now. it will not be read by default in the future version. 1548ca08ab68Smrg </P 1549ca08ab68Smrg></DIV 1550ca08ab68Smrg><DIV 1551ca08ab68SmrgCLASS="REFSECT1" 1552ca08ab68Smrg><A 1553a4e54154SmrgNAME="AEN279" 1554ca08ab68Smrg></A 1555ca08ab68Smrg><H2 1556ca08ab68Smrg>Environment variables</H2 1557ca08ab68Smrg><P 1558ca08ab68Smrg><I 1559ca08ab68SmrgCLASS="EMPHASIS" 1560ca08ab68Smrg>FONTCONFIG_FILE</I 1561ca08ab68Smrg> 1562ca08ab68Smrgis used to override the default configuration file. 1563ca08ab68Smrg </P 1564ca08ab68Smrg><P 1565ca08ab68Smrg><I 1566ca08ab68SmrgCLASS="EMPHASIS" 1567ca08ab68Smrg>FONTCONFIG_PATH</I 1568ca08ab68Smrg> 1569ca08ab68Smrgis used to override the default configuration directory. 1570ca08ab68Smrg </P 1571ca08ab68Smrg><P 1572ca08ab68Smrg><I 1573ca08ab68SmrgCLASS="EMPHASIS" 1574a32e9e42Smrg>FONTCONFIG_SYSROOT</I 1575a32e9e42Smrg> 1576a32e9e42Smrgis used to set a default sysroot directory. 1577a32e9e42Smrg </P 1578a32e9e42Smrg><P 1579a32e9e42Smrg><I 1580a32e9e42SmrgCLASS="EMPHASIS" 1581ca08ab68Smrg>FC_DEBUG</I 1582ca08ab68Smrg> 1583ca08ab68Smrgis used to output the detailed debugging messages. see <A 1584ca08ab68SmrgHREF="#DEBUG" 1585ca08ab68Smrg>Debugging Applications</A 1586ca08ab68Smrg> section for more details. 1587ca08ab68Smrg </P 1588ca08ab68Smrg><P 1589ca08ab68Smrg><I 1590ca08ab68SmrgCLASS="EMPHASIS" 1591953daebaSmrg>FC_DBG_MATCH_FILTER</I 1592953daebaSmrg> 1593953daebaSmrgis used to filter out the patterns. this takes a comma-separated list of object names and effects only when FC_DEBUG has MATCH2. see <A 1594953daebaSmrgHREF="#DEBUG" 1595953daebaSmrg>Debugging Applications</A 1596953daebaSmrg> section for more details. 1597953daebaSmrg </P 1598953daebaSmrg><P 1599953daebaSmrg><I 1600953daebaSmrgCLASS="EMPHASIS" 1601953daebaSmrg>FC_LANG</I 1602953daebaSmrg> 1603953daebaSmrgis used to specify the default language as the weak binding in the query. if this isn't set, the default language will be determined from current locale. 1604953daebaSmrg </P 1605953daebaSmrg><P 1606953daebaSmrg><I 1607953daebaSmrgCLASS="EMPHASIS" 1608ca08ab68Smrg>FONTCONFIG_USE_MMAP</I 1609ca08ab68Smrg> 1610ca08ab68Smrgis used to control the use of mmap(2) for the cache files if available. this take a boolean value. fontconfig will checks if the cache files are stored on the filesystem that is safe to use mmap(2). explicitly setting this environment variable will causes skipping this check and enforce to use or not use mmap(2) anyway. 16112c393a42Smrg </P 1612a32e9e42Smrg><P 1613a32e9e42Smrg><I 1614a32e9e42SmrgCLASS="EMPHASIS" 1615a32e9e42Smrg>SOURCE_DATE_EPOCH</I 1616a32e9e42Smrg> 1617a32e9e42Smrgis used to ensure <TT 1618a32e9e42SmrgCLASS="LITERAL" 1619a32e9e42Smrg>fc-cache(1)</TT 1620a32e9e42Smrg> generates files in a deterministic manner in order to support reproducible builds. When set to a numeric representation of UNIX timestamp, fontconfig will prefer this value over using the modification timestamps of the input files in order to identify which cache files require regeneration. If <TT 1621a32e9e42SmrgCLASS="LITERAL" 1622a32e9e42Smrg>SOURCE_DATE_EPOCH</TT 1623a32e9e42Smrg> is not set (or is newer than the mtime of the directory), the existing behaviour is unchanged. 1624a32e9e42Smrg </P 16252c393a42Smrg></DIV 16262c393a42Smrg><DIV 16272c393a42SmrgCLASS="REFSECT1" 16282c393a42Smrg><A 1629a4e54154SmrgNAME="AEN301" 16302c393a42Smrg></A 16312c393a42Smrg><H2 16322c393a42Smrg>See Also</H2 16332c393a42Smrg><P 1634a32e9e42Smrg>fc-cat(1), fc-cache(1), fc-list(1), fc-match(1), fc-query(1), <A 1635a32e9e42SmrgHREF="https://reproducible-builds.org/specs/source-date-epoch/" 1636a32e9e42SmrgTARGET="_top" 1637a32e9e42Smrg>SOURCE_DATE_EPOCH</A 1638a32e9e42Smrg>. 16392c393a42Smrg </P 16402c393a42Smrg></DIV 16412c393a42Smrg><DIV 16422c393a42SmrgCLASS="REFSECT1" 16432c393a42Smrg><A 1644a4e54154SmrgNAME="AEN305" 16452c393a42Smrg></A 16462c393a42Smrg><H2 16472c393a42Smrg>Version</H2 16482c393a42Smrg><P 1649a4e54154Smrg>Fontconfig version 2.14.0 16502c393a42Smrg 16512c393a42Smrg </P 16522c393a42Smrg></DIV 16532c393a42Smrg></BODY 16542c393a42Smrg></HTML 16552c393a42Smrg>