1606 lines
29 KiB
HTML
1606 lines
29 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<HTML
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><HEAD
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><TITLE
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>FUNCTIONS</TITLE
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><META
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NAME="GENERATOR"
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CONTENT="Modular DocBook HTML Stylesheet Version 1.79"><LINK
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REL="HOME"
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HREF="t1.html"><LINK
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REL="PREVIOUS"
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TITLE="Datatypes"
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HREF="x31.html"></HEAD
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><BODY
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CLASS="SECT1"
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BGCOLOR="#FFFFFF"
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TEXT="#000000"
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LINK="#0000FF"
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VLINK="#840084"
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ALINK="#0000FF"
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><DIV
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CLASS="NAVHEADER"
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><TABLE
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SUMMARY="Header navigation table"
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WIDTH="100%"
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BORDER="0"
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CELLPADDING="0"
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CELLSPACING="0"
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><TR
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><TH
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COLSPAN="3"
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ALIGN="center"
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></TH
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></TR
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><TR
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><TD
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WIDTH="10%"
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ALIGN="left"
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VALIGN="bottom"
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><A
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HREF="x31.html"
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ACCESSKEY="P"
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><<< Previous</A
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></TD
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><TD
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WIDTH="80%"
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ALIGN="center"
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VALIGN="bottom"
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></TD
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><TD
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WIDTH="10%"
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ALIGN="right"
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VALIGN="bottom"
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> </TD
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></TR
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></TABLE
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><HR
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ALIGN="LEFT"
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WIDTH="100%"></DIV
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><DIV
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CLASS="SECT1"
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><H1
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CLASS="SECT1"
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><A
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NAME="AEN102"
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>FUNCTIONS</A
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></H1
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><P
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>These are grouped by functionality, often using the main data type being
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manipulated.
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</P
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><DIV
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CLASS="SECT2"
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><H2
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CLASS="SECT2"
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><A
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NAME="AEN105"
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>Initialization</A
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></H2
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><DIV
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CLASS="TOC"
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><DL
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><DT
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><B
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>Table of Contents</B
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></DT
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><DT
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><A
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HREF="fcinitloadconfig.html"
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>FcInitLoadConfig</A
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> -- load configuration</DT
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><DT
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><A
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HREF="fcinitloadconfigandfonts.html"
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>FcInitLoadConfigAndFonts</A
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> -- load configuration and font data</DT
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><DT
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><A
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HREF="fcinit.html"
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>FcInit</A
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> -- initialize fontconfig library</DT
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><DT
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><A
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HREF="fcfini.html"
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>FcFini</A
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> -- finalize fontconfig library</DT
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><DT
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><A
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HREF="fcgetversion.html"
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>FcGetVersion</A
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> -- library version number</DT
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><DT
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><A
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HREF="fcinitreinitialize.html"
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>FcInitReinitialize</A
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> -- re-initialize library</DT
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><DT
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><A
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HREF="fcinitbringuptodate.html"
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>FcInitBringUptoDate</A
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> -- reload configuration files if needed</DT
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></DL
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></DIV
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><P
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>These functions provide some control over how the library is initialized.
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</P
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></DIV
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><DIV
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CLASS="SECT2"
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><H2
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CLASS="SECT2"
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><A
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NAME="AEN241"
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>FcPattern</A
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></H2
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><DIV
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CLASS="TOC"
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><DL
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><DT
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><B
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>Table of Contents</B
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></DT
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><DT
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><A
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HREF="fcpatterncreate.html"
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>FcPatternCreate</A
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> -- Create a pattern</DT
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><DT
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><A
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HREF="fcpatternduplicate.html"
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>FcPatternDuplicate</A
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> -- Copy a pattern</DT
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><DT
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><A
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HREF="fcpatternreference.html"
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>FcPatternReference</A
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> -- Increment pattern reference count</DT
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><DT
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><A
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HREF="fcpatterndestroy.html"
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>FcPatternDestroy</A
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> -- Destroy a pattern</DT
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><DT
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><A
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HREF="fcpatternequal.html"
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>FcPatternEqual</A
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> -- Compare patterns</DT
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><DT
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><A
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HREF="fcpatternequalsubset.html"
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>FcPatternEqualSubset</A
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> -- Compare portions of patterns</DT
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><DT
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><A
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HREF="fcpatternfilter.html"
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>FcPatternFilter</A
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> -- Filter the objects of pattern</DT
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><DT
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><A
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HREF="fcpatternhash.html"
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>FcPatternHash</A
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> -- Compute a pattern hash value</DT
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><DT
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><A
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HREF="fcpatternadd.html"
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>FcPatternAdd</A
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> -- Add a value to a pattern</DT
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><DT
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><A
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HREF="fcpatternaddweak.html"
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>FcPatternAddWeak</A
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> -- Add a value to a pattern with weak binding</DT
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><DT
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><A
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HREF="fcpatternadd-type.html"
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>FcPatternAdd-Type</A
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> -- Add a typed value to a pattern</DT
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><DT
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><A
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HREF="fcpatternget.html"
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>FcPatternGet</A
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> -- Return a value from a pattern</DT
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><DT
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><A
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HREF="fcpatternget-type.html"
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>FcPatternGet-Type</A
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> -- Return a typed value from a pattern</DT
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><DT
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><A
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HREF="fcpatternbuild.html"
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>FcPatternBuild</A
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> -- Create patterns from arguments</DT
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><DT
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><A
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HREF="fcpatterndel.html"
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>FcPatternDel</A
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> -- Delete a property from a pattern</DT
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><DT
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><A
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HREF="fcpatternremove.html"
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>FcPatternRemove</A
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> -- Remove one object of the specified type from the pattern</DT
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><DT
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><A
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HREF="fcpatternprint.html"
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>FcPatternPrint</A
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> -- Print a pattern for debugging</DT
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><DT
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><A
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HREF="fcdefaultsubstitute.html"
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>FcDefaultSubstitute</A
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> -- Perform default substitutions in a pattern</DT
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><DT
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><A
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HREF="fcnameparse.html"
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>FcNameParse</A
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> -- Parse a pattern string</DT
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><DT
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><A
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HREF="fcnameunparse.html"
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>FcNameUnparse</A
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> -- Convert a pattern back into a string that can be parsed</DT
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><DT
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><A
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HREF="fcpatternformat.html"
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>FcPatternFormat</A
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> -- Format a pattern into a string according to a format specifier</DT
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></DL
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></DIV
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><P
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>An FcPattern is an opaque type that holds both patterns to match against the
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available fonts, as well as the information about each font.
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</P
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></DIV
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><DIV
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CLASS="SECT2"
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><H2
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CLASS="SECT2"
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><A
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NAME="AEN1031"
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>FcFontSet</A
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></H2
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><DIV
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CLASS="TOC"
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><DL
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><DT
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><B
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>Table of Contents</B
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></DT
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><DT
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><A
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HREF="fcfontsetcreate.html"
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>FcFontSetCreate</A
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> -- Create a font set</DT
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><DT
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><A
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HREF="fcfontsetdestroy.html"
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>FcFontSetDestroy</A
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> -- Destroy a font set</DT
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><DT
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><A
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HREF="fcfontsetadd.html"
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>FcFontSetAdd</A
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> -- Add to a font set</DT
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><DT
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><A
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HREF="fcfontsetlist.html"
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>FcFontSetList</A
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> -- List fonts from a set of font sets</DT
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><DT
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><A
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HREF="fcfontsetmatch.html"
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>FcFontSetMatch</A
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> -- Return the best font from a set of font sets</DT
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><DT
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><A
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HREF="fcfontsetprint.html"
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>FcFontSetPrint</A
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> -- Print a set of patterns to stdout</DT
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><DT
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><A
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HREF="fcfontsetsort.html"
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>FcFontSetSort</A
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> -- Add to a font set</DT
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><DT
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><A
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HREF="fcfontsetsortdestroy.html"
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>FcFontSetSortDestroy</A
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> -- DEPRECATED destroy a font set</DT
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></DL
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></DIV
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><P
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>An FcFontSet simply holds a list of patterns; these are used to return the
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results of listing available fonts.
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</P
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></DIV
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><DIV
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CLASS="SECT2"
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><H2
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CLASS="SECT2"
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><A
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NAME="AEN1242"
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>FcObjectSet</A
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></H2
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><DIV
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CLASS="TOC"
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><DL
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><DT
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><B
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>Table of Contents</B
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></DT
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><DT
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><A
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HREF="fcobjectsetcreate.html"
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>FcObjectSetCreate</A
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> -- Create an object set</DT
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><DT
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><A
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HREF="fcobjectsetadd.html"
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>FcObjectSetAdd</A
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> -- Add to an object set</DT
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><DT
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><A
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HREF="fcobjectsetdestroy.html"
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>FcObjectSetDestroy</A
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> -- Destroy an object set</DT
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><DT
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><A
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HREF="fcobjectsetbuild.html"
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>FcObjectSetBuild</A
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> -- Build object set from args</DT
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></DL
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></DIV
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><P
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>An FcObjectSet holds a list of pattern property names; it is used to
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indicate which properties are to be returned in the patterns from
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FcFontList.
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</P
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></DIV
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><DIV
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CLASS="SECT2"
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><H2
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CLASS="SECT2"
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><A
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NAME="AEN1344"
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>FreeType specific functions</A
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></H2
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><DIV
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CLASS="TOC"
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><DL
|
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><DT
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><B
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>Table of Contents</B
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></DT
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><DT
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><A
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HREF="fcfreetypecharindex.html"
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>FcFreeTypeCharIndex</A
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> -- map Unicode to glyph id</DT
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><DT
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><A
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HREF="fcfreetypecharset.html"
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>FcFreeTypeCharSet</A
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> -- compute Unicode coverage</DT
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><DT
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><A
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HREF="fcfreetypecharsetandspacing.html"
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>FcFreeTypeCharSetAndSpacing</A
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> -- compute Unicode coverage and spacing type</DT
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><DT
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><A
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HREF="fcfreetypequery.html"
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>FcFreeTypeQuery</A
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> -- compute pattern from font file (and index)</DT
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><DT
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><A
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HREF="fcfreetypequeryface.html"
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>FcFreeTypeQueryFace</A
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> -- compute pattern from FT_Face</DT
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></DL
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></DIV
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><P
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>While the fontconfig library doesn't insist that FreeType be used as the
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rasterization mechanism for fonts, it does provide some convenience
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functions.
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</P
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></DIV
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><DIV
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CLASS="SECT2"
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><H2
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CLASS="SECT2"
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><A
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NAME="AEN1463"
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>FcValue</A
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></H2
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><DIV
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CLASS="TOC"
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><DL
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><DT
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><B
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>Table of Contents</B
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></DT
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><DT
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><A
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HREF="fcvaluedestroy.html"
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>FcValueDestroy</A
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> -- Free a value</DT
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><DT
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><A
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HREF="fcvaluesave.html"
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>FcValueSave</A
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> -- Copy a value</DT
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><DT
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><A
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HREF="fcvalueprint.html"
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>FcValuePrint</A
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> -- Print a value to stdout</DT
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><DT
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><A
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HREF="fcvalueequal.html"
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>FcValueEqual</A
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> -- Test two values for equality</DT
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></DL
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></DIV
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><P
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>FcValue is a structure containing a type tag and a union of all possible
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datatypes. The tag is an enum of type
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<I
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CLASS="EMPHASIS"
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>FcType</I
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>
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and is intended to provide a measure of run-time
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typechecking, although that depends on careful programming.
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</P
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></DIV
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><DIV
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CLASS="SECT2"
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><H2
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CLASS="SECT2"
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><A
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NAME="AEN1549"
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>FcCharSet</A
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></H2
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><DIV
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CLASS="TOC"
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><DL
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><DT
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><B
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>Table of Contents</B
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></DT
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><DT
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><A
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HREF="fccharsetcreate.html"
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>FcCharSetCreate</A
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> -- Create an empty character set</DT
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><DT
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><A
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HREF="fccharsetdestroy.html"
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>FcCharSetDestroy</A
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> -- Destroy a character set</DT
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><DT
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><A
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HREF="fccharsetaddchar.html"
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>FcCharSetAddChar</A
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> -- Add a character to a charset</DT
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><DT
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><A
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HREF="fccharsetdelchar.html"
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>FcCharSetDelChar</A
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> -- Add a character to a charset</DT
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><DT
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><A
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HREF="fccharsetcopy.html"
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>FcCharSetCopy</A
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> -- Copy a charset</DT
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><DT
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><A
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HREF="fccharsetequal.html"
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>FcCharSetEqual</A
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|
> -- Compare two charsets</DT
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><DT
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><A
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HREF="fccharsetintersect.html"
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>FcCharSetIntersect</A
|
|
> -- Intersect charsets</DT
|
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><DT
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|
><A
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|
HREF="fccharsetunion.html"
|
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>FcCharSetUnion</A
|
|
> -- Add charsets</DT
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><DT
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><A
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|
HREF="fccharsetsubtract.html"
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>FcCharSetSubtract</A
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|
> -- Subtract charsets</DT
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><DT
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><A
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HREF="fccharsetmerge.html"
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>FcCharSetMerge</A
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|
> -- Merge charsets</DT
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><DT
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><A
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|
HREF="fccharsethaschar.html"
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>FcCharSetHasChar</A
|
|
> -- Check a charset for a char</DT
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|
><DT
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|
><A
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|
HREF="fccharsetcount.html"
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|
>FcCharSetCount</A
|
|
> -- Count entries in a charset</DT
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><DT
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|
><A
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|
HREF="fccharsetintersectcount.html"
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>FcCharSetIntersectCount</A
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|
> -- Intersect and count charsets</DT
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><DT
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><A
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HREF="fccharsetsubtractcount.html"
|
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>FcCharSetSubtractCount</A
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|
> -- Subtract and count charsets</DT
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><DT
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|
><A
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|
HREF="fccharsetissubset.html"
|
|
>FcCharSetIsSubset</A
|
|
> -- Test for charset inclusion</DT
|
|
><DT
|
|
><A
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|
HREF="fccharsetfirstpage.html"
|
|
>FcCharSetFirstPage</A
|
|
> -- Start enumerating charset contents</DT
|
|
><DT
|
|
><A
|
|
HREF="fccharsetnextpage.html"
|
|
>FcCharSetNextPage</A
|
|
> -- Continue enumerating charset contents</DT
|
|
><DT
|
|
><A
|
|
HREF="fccharsetcoverage.html"
|
|
>FcCharSetCoverage</A
|
|
> -- DEPRECATED return coverage for a Unicode page</DT
|
|
><DT
|
|
><A
|
|
HREF="fccharsetnew.html"
|
|
>FcCharSetNew</A
|
|
> -- DEPRECATED alias for FcCharSetCreate</DT
|
|
></DL
|
|
></DIV
|
|
><P
|
|
>An FcCharSet is a boolean array indicating a set of Unicode chars. Those
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associated with a font are marked constant and cannot be edited.
|
|
FcCharSets may be reference counted internally to reduce memory consumption;
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this may be visible to applications as the result of FcCharSetCopy may
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return it's argument, and that CharSet may remain unmodifiable.
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</P
|
|
></DIV
|
|
><DIV
|
|
CLASS="SECT2"
|
|
><H2
|
|
CLASS="SECT2"
|
|
><A
|
|
NAME="AEN2016"
|
|
>FcLangSet</A
|
|
></H2
|
|
><DIV
|
|
CLASS="TOC"
|
|
><DL
|
|
><DT
|
|
><B
|
|
>Table of Contents</B
|
|
></DT
|
|
><DT
|
|
><A
|
|
HREF="fclangsetcreate.html"
|
|
>FcLangSetCreate</A
|
|
> -- create a langset object</DT
|
|
><DT
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|
><A
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|
HREF="fclangsetdestroy.html"
|
|
>FcLangSetDestroy</A
|
|
> -- destroy a langset object</DT
|
|
><DT
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><A
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|
HREF="fclangsetcopy.html"
|
|
>FcLangSetCopy</A
|
|
> -- copy a langset object</DT
|
|
><DT
|
|
><A
|
|
HREF="fclangsetadd.html"
|
|
>FcLangSetAdd</A
|
|
> -- add a language to a langset</DT
|
|
><DT
|
|
><A
|
|
HREF="fclangsetdel.html"
|
|
>FcLangSetDel</A
|
|
> -- delete a language from a langset</DT
|
|
><DT
|
|
><A
|
|
HREF="fclangsetunion.html"
|
|
>FcLangSetUnion</A
|
|
> -- Add langsets</DT
|
|
><DT
|
|
><A
|
|
HREF="fclangsetsubtract.html"
|
|
>FcLangSetSubtract</A
|
|
> -- Subtract langsets</DT
|
|
><DT
|
|
><A
|
|
HREF="fclangsetcompare.html"
|
|
>FcLangSetCompare</A
|
|
> -- compare language sets</DT
|
|
><DT
|
|
><A
|
|
HREF="fclangsetcontains.html"
|
|
>FcLangSetContains</A
|
|
> -- check langset subset relation</DT
|
|
><DT
|
|
><A
|
|
HREF="fclangsetequal.html"
|
|
>FcLangSetEqual</A
|
|
> -- test for matching langsets</DT
|
|
><DT
|
|
><A
|
|
HREF="fclangsethash.html"
|
|
>FcLangSetHash</A
|
|
> -- return a hash value for a langset</DT
|
|
><DT
|
|
><A
|
|
HREF="fclangsethaslang.html"
|
|
>FcLangSetHasLang</A
|
|
> -- test langset for language support</DT
|
|
><DT
|
|
><A
|
|
HREF="fcgetdefaultlangs.html"
|
|
>FcGetDefaultLangs</A
|
|
> -- Get the default languages list</DT
|
|
><DT
|
|
><A
|
|
HREF="fclangsetgetlangs.html"
|
|
>FcLangSetGetLangs</A
|
|
> -- get the list of languages in the langset</DT
|
|
><DT
|
|
><A
|
|
HREF="fcgetlangs.html"
|
|
>FcGetLangs</A
|
|
> -- Get list of languages</DT
|
|
><DT
|
|
><A
|
|
HREF="fclangnormalize.html"
|
|
>FcLangNormalize</A
|
|
> -- Normalize the language string</DT
|
|
><DT
|
|
><A
|
|
HREF="fclanggetcharset.html"
|
|
>FcLangGetCharSet</A
|
|
> -- Get character map for a language</DT
|
|
></DL
|
|
></DIV
|
|
><P
|
|
>An FcLangSet is a set of language names (each of which include language and
|
|
an optional territory). They are used when selecting fonts to indicate which
|
|
languages the fonts need to support. Each font is marked, using language
|
|
orthography information built into fontconfig, with the set of supported
|
|
languages.
|
|
</P
|
|
></DIV
|
|
><DIV
|
|
CLASS="SECT2"
|
|
><H2
|
|
CLASS="SECT2"
|
|
><A
|
|
NAME="AEN2410"
|
|
>FcMatrix</A
|
|
></H2
|
|
><DIV
|
|
CLASS="TOC"
|
|
><DL
|
|
><DT
|
|
><B
|
|
>Table of Contents</B
|
|
></DT
|
|
><DT
|
|
><A
|
|
HREF="fcmatrixinit.html"
|
|
>FcMatrixInit</A
|
|
> -- initialize an FcMatrix structure</DT
|
|
><DT
|
|
><A
|
|
HREF="fcmatrixcopy.html"
|
|
>FcMatrixCopy</A
|
|
> -- Copy a matrix</DT
|
|
><DT
|
|
><A
|
|
HREF="fcmatrixequal.html"
|
|
>FcMatrixEqual</A
|
|
> -- Compare two matrices</DT
|
|
><DT
|
|
><A
|
|
HREF="fcmatrixmultiply.html"
|
|
>FcMatrixMultiply</A
|
|
> -- Multiply matrices</DT
|
|
><DT
|
|
><A
|
|
HREF="fcmatrixrotate.html"
|
|
>FcMatrixRotate</A
|
|
> -- Rotate a matrix</DT
|
|
><DT
|
|
><A
|
|
HREF="fcmatrixscale.html"
|
|
>FcMatrixScale</A
|
|
> -- Scale a matrix</DT
|
|
><DT
|
|
><A
|
|
HREF="fcmatrixshear.html"
|
|
>FcMatrixShear</A
|
|
> -- Shear a matrix</DT
|
|
></DL
|
|
></DIV
|
|
><P
|
|
>FcMatrix structures hold an affine transformation in matrix form.
|
|
</P
|
|
></DIV
|
|
><DIV
|
|
CLASS="SECT2"
|
|
><H2
|
|
CLASS="SECT2"
|
|
><A
|
|
NAME="AEN2590"
|
|
>FcRange</A
|
|
></H2
|
|
><DIV
|
|
CLASS="TOC"
|
|
><DL
|
|
><DT
|
|
><B
|
|
>Table of Contents</B
|
|
></DT
|
|
><DT
|
|
><A
|
|
HREF="fcrangecopy.html"
|
|
>FcRangeCopy</A
|
|
> -- Copy a range object</DT
|
|
><DT
|
|
><A
|
|
HREF="fcrangecreatedouble.html"
|
|
>FcRangeCreateDouble</A
|
|
> -- create a range object for double</DT
|
|
><DT
|
|
><A
|
|
HREF="fcrangecreateinteger.html"
|
|
>FcRangeCreateInteger</A
|
|
> -- create a range object for integer</DT
|
|
><DT
|
|
><A
|
|
HREF="fcrangedestroy.html"
|
|
>FcRangeDestroy</A
|
|
> -- destroy a range object</DT
|
|
><DT
|
|
><A
|
|
HREF="fcrangegetdouble.html"
|
|
>FcRangeGetDouble</A
|
|
> -- Get the range in double</DT
|
|
></DL
|
|
></DIV
|
|
><P
|
|
>An FcRange holds two variables to indicate a range in between.
|
|
</P
|
|
></DIV
|
|
><DIV
|
|
CLASS="SECT2"
|
|
><H2
|
|
CLASS="SECT2"
|
|
><A
|
|
NAME="AEN2718"
|
|
>FcConfig</A
|
|
></H2
|
|
><DIV
|
|
CLASS="TOC"
|
|
><DL
|
|
><DT
|
|
><B
|
|
>Table of Contents</B
|
|
></DT
|
|
><DT
|
|
><A
|
|
HREF="fcconfigcreate.html"
|
|
>FcConfigCreate</A
|
|
> -- Create a configuration</DT
|
|
><DT
|
|
><A
|
|
HREF="fcconfigreference.html"
|
|
>FcConfigReference</A
|
|
> -- Increment config reference count</DT
|
|
><DT
|
|
><A
|
|
HREF="fcconfigdestroy.html"
|
|
>FcConfigDestroy</A
|
|
> -- Destroy a configuration</DT
|
|
><DT
|
|
><A
|
|
HREF="fcconfigsetcurrent.html"
|
|
>FcConfigSetCurrent</A
|
|
> -- Set configuration as default</DT
|
|
><DT
|
|
><A
|
|
HREF="fcconfiggetcurrent.html"
|
|
>FcConfigGetCurrent</A
|
|
> -- Return current configuration</DT
|
|
><DT
|
|
><A
|
|
HREF="fcconfiguptodate.html"
|
|
>FcConfigUptoDate</A
|
|
> -- Check timestamps on config files</DT
|
|
><DT
|
|
><A
|
|
HREF="fcconfighome.html"
|
|
>FcConfigHome</A
|
|
> -- return the current home directory.</DT
|
|
><DT
|
|
><A
|
|
HREF="fcconfigenablehome.html"
|
|
>FcConfigEnableHome</A
|
|
> -- controls use of the home directory.</DT
|
|
><DT
|
|
><A
|
|
HREF="fcconfigbuildfonts.html"
|
|
>FcConfigBuildFonts</A
|
|
> -- Build font database</DT
|
|
><DT
|
|
><A
|
|
HREF="fcconfiggetconfigdirs.html"
|
|
>FcConfigGetConfigDirs</A
|
|
> -- Get config directories</DT
|
|
><DT
|
|
><A
|
|
HREF="fcconfiggetfontdirs.html"
|
|
>FcConfigGetFontDirs</A
|
|
> -- Get font directories</DT
|
|
><DT
|
|
><A
|
|
HREF="fcconfiggetconfigfiles.html"
|
|
>FcConfigGetConfigFiles</A
|
|
> -- Get config files</DT
|
|
><DT
|
|
><A
|
|
HREF="fcconfiggetcache.html"
|
|
>FcConfigGetCache</A
|
|
> -- DEPRECATED used to return per-user cache filename</DT
|
|
><DT
|
|
><A
|
|
HREF="fcconfiggetcachedirs.html"
|
|
>FcConfigGetCacheDirs</A
|
|
> -- return the list of directories searched for cache files</DT
|
|
><DT
|
|
><A
|
|
HREF="fcconfiggetfonts.html"
|
|
>FcConfigGetFonts</A
|
|
> -- Get config font set</DT
|
|
><DT
|
|
><A
|
|
HREF="fcconfiggetblanks.html"
|
|
>FcConfigGetBlanks</A
|
|
> -- Get config blanks</DT
|
|
><DT
|
|
><A
|
|
HREF="fcconfiggetrescaninterval.html"
|
|
>FcConfigGetRescanInterval</A
|
|
> -- Get config rescan interval</DT
|
|
><DT
|
|
><A
|
|
HREF="fcconfigsetrescaninterval.html"
|
|
>FcConfigSetRescanInterval</A
|
|
> -- Set config rescan interval</DT
|
|
><DT
|
|
><A
|
|
HREF="fcconfigappfontaddfile.html"
|
|
>FcConfigAppFontAddFile</A
|
|
> -- Add font file to font database</DT
|
|
><DT
|
|
><A
|
|
HREF="fcconfigappfontadddir.html"
|
|
>FcConfigAppFontAddDir</A
|
|
> -- Add fonts from directory to font database</DT
|
|
><DT
|
|
><A
|
|
HREF="fcconfigappfontclear.html"
|
|
>FcConfigAppFontClear</A
|
|
> -- Remove all app fonts from font database</DT
|
|
><DT
|
|
><A
|
|
HREF="fcconfigsubstitutewithpat.html"
|
|
>FcConfigSubstituteWithPat</A
|
|
> -- Execute substitutions</DT
|
|
><DT
|
|
><A
|
|
HREF="fcconfigsubstitute.html"
|
|
>FcConfigSubstitute</A
|
|
> -- Execute substitutions</DT
|
|
><DT
|
|
><A
|
|
HREF="fcfontmatch.html"
|
|
>FcFontMatch</A
|
|
> -- Return best font</DT
|
|
><DT
|
|
><A
|
|
HREF="fcfontsort.html"
|
|
>FcFontSort</A
|
|
> -- Return list of matching fonts</DT
|
|
><DT
|
|
><A
|
|
HREF="fcfontrenderprepare.html"
|
|
>FcFontRenderPrepare</A
|
|
> -- Prepare pattern for loading font file</DT
|
|
><DT
|
|
><A
|
|
HREF="fcfontlist.html"
|
|
>FcFontList</A
|
|
> -- List fonts</DT
|
|
><DT
|
|
><A
|
|
HREF="fcconfigfilename.html"
|
|
>FcConfigFilename</A
|
|
> -- Find a config file</DT
|
|
><DT
|
|
><A
|
|
HREF="fcconfigparseandload.html"
|
|
>FcConfigParseAndLoad</A
|
|
> -- load a configuration file</DT
|
|
><DT
|
|
><A
|
|
HREF="fcconfiggetsysroot.html"
|
|
>FcConfigGetSysRoot</A
|
|
> -- Obtain the system root directory</DT
|
|
><DT
|
|
><A
|
|
HREF="fcconfigsetsysroot.html"
|
|
>FcConfigSetSysRoot</A
|
|
> -- Set the system root directory</DT
|
|
></DL
|
|
></DIV
|
|
><P
|
|
>An FcConfig object holds the internal representation of a configuration.
|
|
There is a default configuration which applications may use by passing 0 to
|
|
any function using the data within an FcConfig.
|
|
</P
|
|
></DIV
|
|
><DIV
|
|
CLASS="SECT2"
|
|
><H2
|
|
CLASS="SECT2"
|
|
><A
|
|
NAME="AEN3420"
|
|
>FcObjectType</A
|
|
></H2
|
|
><DIV
|
|
CLASS="TOC"
|
|
><DL
|
|
><DT
|
|
><B
|
|
>Table of Contents</B
|
|
></DT
|
|
><DT
|
|
><A
|
|
HREF="fcnameregisterobjecttypes.html"
|
|
>FcNameRegisterObjectTypes</A
|
|
> -- Register object types</DT
|
|
><DT
|
|
><A
|
|
HREF="fcnameunregisterobjecttypes.html"
|
|
>FcNameUnregisterObjectTypes</A
|
|
> -- Unregister object types</DT
|
|
><DT
|
|
><A
|
|
HREF="fcnamegetobjecttype.html"
|
|
>FcNameGetObjectType</A
|
|
> -- Lookup an object type</DT
|
|
></DL
|
|
></DIV
|
|
><P
|
|
>Provides for application-specified font name object types so that new
|
|
pattern elements can be generated from font names.
|
|
</P
|
|
></DIV
|
|
><DIV
|
|
CLASS="SECT2"
|
|
><H2
|
|
CLASS="SECT2"
|
|
><A
|
|
NAME="AEN3485"
|
|
>FcConstant</A
|
|
></H2
|
|
><DIV
|
|
CLASS="TOC"
|
|
><DL
|
|
><DT
|
|
><B
|
|
>Table of Contents</B
|
|
></DT
|
|
><DT
|
|
><A
|
|
HREF="fcnameregisterconstants.html"
|
|
>FcNameRegisterConstants</A
|
|
> -- Register symbolic constants</DT
|
|
><DT
|
|
><A
|
|
HREF="fcnameunregisterconstants.html"
|
|
>FcNameUnregisterConstants</A
|
|
> -- Unregister symbolic constants</DT
|
|
><DT
|
|
><A
|
|
HREF="fcnamegetconstant.html"
|
|
>FcNameGetConstant</A
|
|
> -- Lookup symbolic constant</DT
|
|
><DT
|
|
><A
|
|
HREF="fcnameconstant.html"
|
|
>FcNameConstant</A
|
|
> -- Get the value for a symbolic constant</DT
|
|
></DL
|
|
></DIV
|
|
><P
|
|
>Provides for application-specified symbolic constants for font names.
|
|
</P
|
|
></DIV
|
|
><DIV
|
|
CLASS="SECT2"
|
|
><H2
|
|
CLASS="SECT2"
|
|
><A
|
|
NAME="AEN3573"
|
|
>FcWeight</A
|
|
></H2
|
|
><DIV
|
|
CLASS="TOC"
|
|
><DL
|
|
><DT
|
|
><B
|
|
>Table of Contents</B
|
|
></DT
|
|
><DT
|
|
><A
|
|
HREF="fcweightfromopentype.html"
|
|
>FcWeightFromOpenType</A
|
|
> -- Convert from OpenType weight values to fontconfig ones</DT
|
|
><DT
|
|
><A
|
|
HREF="fcweighttoopentype.html"
|
|
>FcWeightToOpenType</A
|
|
> -- Convert from fontconfig weight values to OpenType ones</DT
|
|
></DL
|
|
></DIV
|
|
><P
|
|
>Maps weights to and from OpenType weights.
|
|
</P
|
|
></DIV
|
|
><DIV
|
|
CLASS="SECT2"
|
|
><H2
|
|
CLASS="SECT2"
|
|
><A
|
|
NAME="AEN3623"
|
|
>FcBlanks</A
|
|
></H2
|
|
><DIV
|
|
CLASS="TOC"
|
|
><DL
|
|
><DT
|
|
><B
|
|
>Table of Contents</B
|
|
></DT
|
|
><DT
|
|
><A
|
|
HREF="fcblankscreate.html"
|
|
>FcBlanksCreate</A
|
|
> -- Create an FcBlanks</DT
|
|
><DT
|
|
><A
|
|
HREF="fcblanksdestroy.html"
|
|
>FcBlanksDestroy</A
|
|
> -- Destroy and FcBlanks</DT
|
|
><DT
|
|
><A
|
|
HREF="fcblanksadd.html"
|
|
>FcBlanksAdd</A
|
|
> -- Add a character to an FcBlanks</DT
|
|
><DT
|
|
><A
|
|
HREF="fcblanksismember.html"
|
|
>FcBlanksIsMember</A
|
|
> -- Query membership in an FcBlanks</DT
|
|
></DL
|
|
></DIV
|
|
><P
|
|
>An FcBlanks object holds a list of Unicode chars which are expected to
|
|
be blank when drawn. When scanning new fonts, any glyphs which are
|
|
empty and not in this list will be assumed to be broken and not placed in
|
|
the FcCharSet associated with the font. This provides a significantly more
|
|
accurate CharSet for applications.
|
|
</P
|
|
></DIV
|
|
><DIV
|
|
CLASS="SECT2"
|
|
><H2
|
|
CLASS="SECT2"
|
|
><A
|
|
NAME="AEN3706"
|
|
>FcAtomic</A
|
|
></H2
|
|
><DIV
|
|
CLASS="TOC"
|
|
><DL
|
|
><DT
|
|
><B
|
|
>Table of Contents</B
|
|
></DT
|
|
><DT
|
|
><A
|
|
HREF="fcatomiccreate.html"
|
|
>FcAtomicCreate</A
|
|
> -- create an FcAtomic object</DT
|
|
><DT
|
|
><A
|
|
HREF="fcatomiclock.html"
|
|
>FcAtomicLock</A
|
|
> -- lock a file</DT
|
|
><DT
|
|
><A
|
|
HREF="fcatomicnewfile.html"
|
|
>FcAtomicNewFile</A
|
|
> -- return new temporary file name</DT
|
|
><DT
|
|
><A
|
|
HREF="fcatomicorigfile.html"
|
|
>FcAtomicOrigFile</A
|
|
> -- return original file name</DT
|
|
><DT
|
|
><A
|
|
HREF="fcatomicreplaceorig.html"
|
|
>FcAtomicReplaceOrig</A
|
|
> -- replace original with new</DT
|
|
><DT
|
|
><A
|
|
HREF="fcatomicdeletenew.html"
|
|
>FcAtomicDeleteNew</A
|
|
> -- delete new file</DT
|
|
><DT
|
|
><A
|
|
HREF="fcatomicunlock.html"
|
|
>FcAtomicUnlock</A
|
|
> -- unlock a file</DT
|
|
><DT
|
|
><A
|
|
HREF="fcatomicdestroy.html"
|
|
>FcAtomicDestroy</A
|
|
> -- destroy an FcAtomic object</DT
|
|
></DL
|
|
></DIV
|
|
><P
|
|
>These functions provide a safe way to update configuration files, allowing ongoing
|
|
reading of the old configuration file while locked for writing and ensuring that a
|
|
consistent and complete version of the configuration file is always available.
|
|
</P
|
|
></DIV
|
|
><DIV
|
|
CLASS="SECT2"
|
|
><H2
|
|
CLASS="SECT2"
|
|
><A
|
|
NAME="AEN3867"
|
|
>File and Directory routines</A
|
|
></H2
|
|
><DIV
|
|
CLASS="TOC"
|
|
><DL
|
|
><DT
|
|
><B
|
|
>Table of Contents</B
|
|
></DT
|
|
><DT
|
|
><A
|
|
HREF="fcfilescan.html"
|
|
>FcFileScan</A
|
|
> -- scan a font file</DT
|
|
><DT
|
|
><A
|
|
HREF="fcfileisdir.html"
|
|
>FcFileIsDir</A
|
|
> -- check whether a file is a directory</DT
|
|
><DT
|
|
><A
|
|
HREF="fcdirscan.html"
|
|
>FcDirScan</A
|
|
> -- scan a font directory without caching it</DT
|
|
><DT
|
|
><A
|
|
HREF="fcdirsave.html"
|
|
>FcDirSave</A
|
|
> -- DEPRECATED: formerly used to save a directory cache</DT
|
|
><DT
|
|
><A
|
|
HREF="fcdircacheunlink.html"
|
|
>FcDirCacheUnlink</A
|
|
> -- Remove all caches related to <TT
|
|
CLASS="PARAMETER"
|
|
><I
|
|
>dir</I
|
|
></TT
|
|
></DT
|
|
><DT
|
|
><A
|
|
HREF="fcdircachevalid.html"
|
|
>FcDirCacheValid</A
|
|
> -- check directory cache</DT
|
|
><DT
|
|
><A
|
|
HREF="fcdircacheload.html"
|
|
>FcDirCacheLoad</A
|
|
> -- load a directory cache</DT
|
|
><DT
|
|
><A
|
|
HREF="fcdircacherescan.html"
|
|
>FcDirCacheRescan</A
|
|
> -- Re-scan a directory cache</DT
|
|
><DT
|
|
><A
|
|
HREF="fcdircacheread.html"
|
|
>FcDirCacheRead</A
|
|
> -- read or construct a directory cache</DT
|
|
><DT
|
|
><A
|
|
HREF="fcdircacheloadfile.html"
|
|
>FcDirCacheLoadFile</A
|
|
> -- load a cache file</DT
|
|
><DT
|
|
><A
|
|
HREF="fcdircacheunload.html"
|
|
>FcDirCacheUnload</A
|
|
> -- unload a cache file</DT
|
|
></DL
|
|
></DIV
|
|
><P
|
|
>These routines work with font files and directories, including font
|
|
directory cache files.
|
|
</P
|
|
></DIV
|
|
><DIV
|
|
CLASS="SECT2"
|
|
><H2
|
|
CLASS="SECT2"
|
|
><A
|
|
NAME="AEN4145"
|
|
>FcCache routines</A
|
|
></H2
|
|
><DIV
|
|
CLASS="TOC"
|
|
><DL
|
|
><DT
|
|
><B
|
|
>Table of Contents</B
|
|
></DT
|
|
><DT
|
|
><A
|
|
HREF="fccachedir.html"
|
|
>FcCacheDir</A
|
|
> -- Return directory of <TT
|
|
CLASS="PARAMETER"
|
|
><I
|
|
>cache</I
|
|
></TT
|
|
></DT
|
|
><DT
|
|
><A
|
|
HREF="fccachecopyset.html"
|
|
>FcCacheCopySet</A
|
|
> -- Returns a copy of the fontset from <TT
|
|
CLASS="PARAMETER"
|
|
><I
|
|
>cache</I
|
|
></TT
|
|
></DT
|
|
><DT
|
|
><A
|
|
HREF="fccachesubdir.html"
|
|
>FcCacheSubdir</A
|
|
> -- Return the <TT
|
|
CLASS="PARAMETER"
|
|
><I
|
|
>i</I
|
|
></TT
|
|
>'th subdirectory.</DT
|
|
><DT
|
|
><A
|
|
HREF="fccachenumsubdir.html"
|
|
>FcCacheNumSubdir</A
|
|
> -- Return the number of subdirectories in <TT
|
|
CLASS="PARAMETER"
|
|
><I
|
|
>cache</I
|
|
></TT
|
|
>.</DT
|
|
><DT
|
|
><A
|
|
HREF="fccachenumfont.html"
|
|
>FcCacheNumFont</A
|
|
> -- Returns the number of fonts in <TT
|
|
CLASS="PARAMETER"
|
|
><I
|
|
>cache</I
|
|
></TT
|
|
>.</DT
|
|
><DT
|
|
><A
|
|
HREF="fcdircacheclean.html"
|
|
>FcDirCacheClean</A
|
|
> -- This tries to clean up the cache directory of <TT
|
|
CLASS="PARAMETER"
|
|
><I
|
|
>cache_dir</I
|
|
></TT
|
|
>.
|
|
This returns FcTrue if the operation is successfully complete. otherwise FcFalse.</DT
|
|
><DT
|
|
><A
|
|
HREF="fccachecreatetagfile.html"
|
|
>FcCacheCreateTagFile</A
|
|
> -- Create CACHEDIR.TAG at cache directory.</DT
|
|
></DL
|
|
></DIV
|
|
><P
|
|
>These routines work with font directory caches, accessing their contents in
|
|
limited ways. It is not expected that normal applications will need to use
|
|
these functions.
|
|
</P
|
|
></DIV
|
|
><DIV
|
|
CLASS="SECT2"
|
|
><H2
|
|
CLASS="SECT2"
|
|
><A
|
|
NAME="AEN4302"
|
|
>FcStrSet and FcStrList</A
|
|
></H2
|
|
><DIV
|
|
CLASS="TOC"
|
|
><DL
|
|
><DT
|
|
><B
|
|
>Table of Contents</B
|
|
></DT
|
|
><DT
|
|
><A
|
|
HREF="fcstrsetcreate.html"
|
|
>FcStrSetCreate</A
|
|
> -- create a string set</DT
|
|
><DT
|
|
><A
|
|
HREF="fcstrsetmember.html"
|
|
>FcStrSetMember</A
|
|
> -- check set for membership</DT
|
|
><DT
|
|
><A
|
|
HREF="fcstrsetequal.html"
|
|
>FcStrSetEqual</A
|
|
> -- check sets for equality</DT
|
|
><DT
|
|
><A
|
|
HREF="fcstrsetadd.html"
|
|
>FcStrSetAdd</A
|
|
> -- add to a string set</DT
|
|
><DT
|
|
><A
|
|
HREF="fcstrsetaddfilename.html"
|
|
>FcStrSetAddFilename</A
|
|
> -- add a filename to a string set</DT
|
|
><DT
|
|
><A
|
|
HREF="fcstrsetdel.html"
|
|
>FcStrSetDel</A
|
|
> -- delete from a string set</DT
|
|
><DT
|
|
><A
|
|
HREF="fcstrsetdestroy.html"
|
|
>FcStrSetDestroy</A
|
|
> -- destroy a string set</DT
|
|
><DT
|
|
><A
|
|
HREF="fcstrlistcreate.html"
|
|
>FcStrListCreate</A
|
|
> -- create a string iterator</DT
|
|
><DT
|
|
><A
|
|
HREF="fcstrlistfirst.html"
|
|
>FcStrListFirst</A
|
|
> -- get first string in iteration</DT
|
|
><DT
|
|
><A
|
|
HREF="fcstrlistnext.html"
|
|
>FcStrListNext</A
|
|
> -- get next string in iteration</DT
|
|
><DT
|
|
><A
|
|
HREF="fcstrlistdone.html"
|
|
>FcStrListDone</A
|
|
> -- destroy a string iterator</DT
|
|
></DL
|
|
></DIV
|
|
><P
|
|
>A data structure for enumerating strings, used to list directories while
|
|
scanning the configuration as directories are added while scanning.
|
|
</P
|
|
></DIV
|
|
><DIV
|
|
CLASS="SECT2"
|
|
><H2
|
|
CLASS="SECT2"
|
|
><A
|
|
NAME="AEN4543"
|
|
>String utilities</A
|
|
></H2
|
|
><DIV
|
|
CLASS="TOC"
|
|
><DL
|
|
><DT
|
|
><B
|
|
>Table of Contents</B
|
|
></DT
|
|
><DT
|
|
><A
|
|
HREF="fcutf8toucs4.html"
|
|
>FcUtf8ToUcs4</A
|
|
> -- convert UTF-8 to UCS4</DT
|
|
><DT
|
|
><A
|
|
HREF="fcucs4toutf8.html"
|
|
>FcUcs4ToUtf8</A
|
|
> -- convert UCS4 to UTF-8</DT
|
|
><DT
|
|
><A
|
|
HREF="fcutf8len.html"
|
|
>FcUtf8Len</A
|
|
> -- count UTF-8 encoded chars</DT
|
|
><DT
|
|
><A
|
|
HREF="fcutf16toucs4.html"
|
|
>FcUtf16ToUcs4</A
|
|
> -- convert UTF-16 to UCS4</DT
|
|
><DT
|
|
><A
|
|
HREF="fcutf16len.html"
|
|
>FcUtf16Len</A
|
|
> -- count UTF-16 encoded chars</DT
|
|
><DT
|
|
><A
|
|
HREF="fcislower.html"
|
|
>FcIsLower</A
|
|
> -- check for lower case ASCII character</DT
|
|
><DT
|
|
><A
|
|
HREF="fcisupper.html"
|
|
>FcIsUpper</A
|
|
> -- check for upper case ASCII character</DT
|
|
><DT
|
|
><A
|
|
HREF="fctolower.html"
|
|
>FcToLower</A
|
|
> -- convert upper case ASCII to lower case</DT
|
|
><DT
|
|
><A
|
|
HREF="fcstrcopy.html"
|
|
>FcStrCopy</A
|
|
> -- duplicate a string</DT
|
|
><DT
|
|
><A
|
|
HREF="fcstrdowncase.html"
|
|
>FcStrDowncase</A
|
|
> -- create a lower case translation of a string</DT
|
|
><DT
|
|
><A
|
|
HREF="fcstrcopyfilename.html"
|
|
>FcStrCopyFilename</A
|
|
> -- create a complete path from a filename</DT
|
|
><DT
|
|
><A
|
|
HREF="fcstrcmp.html"
|
|
>FcStrCmp</A
|
|
> -- compare UTF-8 strings</DT
|
|
><DT
|
|
><A
|
|
HREF="fcstrcmpignorecase.html"
|
|
>FcStrCmpIgnoreCase</A
|
|
> -- compare UTF-8 strings ignoring case</DT
|
|
><DT
|
|
><A
|
|
HREF="fcstrstr.html"
|
|
>FcStrStr</A
|
|
> -- locate UTF-8 substring</DT
|
|
><DT
|
|
><A
|
|
HREF="fcstrstrignorecase.html"
|
|
>FcStrStrIgnoreCase</A
|
|
> -- locate UTF-8 substring ignoring ASCII case</DT
|
|
><DT
|
|
><A
|
|
HREF="fcstrplus.html"
|
|
>FcStrPlus</A
|
|
> -- concatenate two strings</DT
|
|
><DT
|
|
><A
|
|
HREF="fcstrfree.html"
|
|
>FcStrFree</A
|
|
> -- free a string</DT
|
|
><DT
|
|
><A
|
|
HREF="fcstrdirname.html"
|
|
>FcStrDirname</A
|
|
> -- directory part of filename</DT
|
|
><DT
|
|
><A
|
|
HREF="fcstrbasename.html"
|
|
>FcStrBasename</A
|
|
> -- last component of filename</DT
|
|
></DL
|
|
></DIV
|
|
><P
|
|
>Fontconfig manipulates many UTF-8 strings represented with the FcChar8 type.
|
|
These functions are exposed to help applications deal with these UTF-8
|
|
strings in a locale-insensitive manner.
|
|
</P
|
|
></DIV
|
|
></DIV
|
|
><DIV
|
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CLASS="NAVFOOTER"
|
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><HR
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ALIGN="LEFT"
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WIDTH="100%"><TABLE
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SUMMARY="Footer navigation table"
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><TR
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WIDTH="33%"
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ALIGN="left"
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VALIGN="top"
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><A
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HREF="x31.html"
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ACCESSKEY="P"
|
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><<< Previous</A
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VALIGN="top"
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HREF="t1.html"
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ACCESSKEY="H"
|
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>Home</A
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