323 lines
4.2 KiB
HTML
323 lines
4.2 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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>FcCharSetFirstPage</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="UP"
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TITLE="FcCharSet"
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HREF="x102.html#AEN1549"><LINK
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REL="PREVIOUS"
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TITLE="FcCharSetIsSubset"
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HREF="fccharsetissubset.html"><LINK
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REL="NEXT"
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TITLE="FcCharSetNextPage"
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HREF="fccharsetnextpage.html"></HEAD
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><BODY
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CLASS="REFENTRY"
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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="fccharsetissubset.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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><A
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HREF="fccharsetnextpage.html"
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ACCESSKEY="N"
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>Next >>></A
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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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><H1
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><A
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NAME="FCCHARSETFIRSTPAGE"
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></A
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>FcCharSetFirstPage</H1
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><DIV
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CLASS="REFNAMEDIV"
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><A
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NAME="AEN1899"
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></A
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><H2
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>Name</H2
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>FcCharSetFirstPage -- Start enumerating charset contents</DIV
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><DIV
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CLASS="REFSYNOPSISDIV"
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><A
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NAME="AEN1902"
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></A
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><H2
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>Synopsis</H2
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><DIV
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CLASS="FUNCSYNOPSIS"
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><P
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></P
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><A
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NAME="AEN1903"
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></A
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><TABLE
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BORDER="0"
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BGCOLOR="#E0E0E0"
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WIDTH="100%"
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><TR
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><TD
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><PRE
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CLASS="FUNCSYNOPSISINFO"
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>#include <fontconfig/fontconfig.h>
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</PRE
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></TD
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></TR
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></TABLE
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><P
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><CODE
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><CODE
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CLASS="FUNCDEF"
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>FcChar32 <TT
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CLASS="FUNCTION"
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>FcCharSetFirstPage</TT
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></CODE
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>(const FcCharSet *<TT
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CLASS="PARAMETER"
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><I
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>a</I
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></TT
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>, FcChar32[FC_CHARSET_MAP_SIZE] <TT
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CLASS="PARAMETER"
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><I
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>map</I
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></TT
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>, FcChar32 *<TT
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CLASS="PARAMETER"
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><I
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>next</I
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></TT
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>);</CODE
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></P
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><P
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></P
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></DIV
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></DIV
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><DIV
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CLASS="REFSECT1"
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><A
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NAME="AEN1914"
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></A
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><H2
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>Description</H2
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><P
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>Builds an array of bits in <TT
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CLASS="PARAMETER"
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><I
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>map</I
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></TT
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> marking the
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first page of Unicode coverage of <TT
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CLASS="PARAMETER"
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><I
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>a</I
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></TT
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>.
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<TT
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CLASS="PARAMETER"
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><I
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>*next</I
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></TT
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> is set to contains the base code point
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for the next page in <TT
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CLASS="PARAMETER"
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><I
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>a</I
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></TT
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>. Returns the base code
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point for the page, or <CODE
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CLASS="CONSTANT"
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>FC_CHARSET_DONE</CODE
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> if
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<TT
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CLASS="PARAMETER"
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><I
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>a</I
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></TT
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> contains no pages. As an example, if
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<TT
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CLASS="FUNCTION"
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>FcCharSetFirstPage</TT
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> returns
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<TT
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CLASS="LITERAL"
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>0x300</TT
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> and fills <TT
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CLASS="PARAMETER"
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><I
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>map</I
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></TT
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> with
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<TABLE
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BORDER="0"
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BGCOLOR="#E0E0E0"
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WIDTH="100%"
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><TR
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><TD
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><PRE
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CLASS="LITERALLAYOUT"
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>0xffffffff 0xffffffff 0x01000008 0x44300002 0xffffd7f0 0xfffffffb 0xffff7fff 0xffff0003</PRE
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></TD
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></TR
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></TABLE
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>
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Then the page contains code points <TT
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CLASS="LITERAL"
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>0x300</TT
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> through
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<TT
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CLASS="LITERAL"
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>0x33f</TT
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> (the first 64 code points on the page)
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because <TT
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CLASS="PARAMETER"
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><I
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>map[0]</I
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></TT
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> and
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<TT
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CLASS="PARAMETER"
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><I
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>map[1]</I
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></TT
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> both have all their bits set. It also
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contains code points <TT
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CLASS="LITERAL"
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>0x343</TT
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> (<TT
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CLASS="PARAMETER"
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><I
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>0x300 + 32*2
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+ (4-1)</I
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></TT
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>) and <TT
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CLASS="LITERAL"
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>0x35e</TT
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> (<TT
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CLASS="PARAMETER"
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><I
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>0x300 +
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32*2 + (31-1)</I
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></TT
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>) because <TT
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CLASS="PARAMETER"
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><I
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>map[2]</I
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></TT
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> has
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the 4th and 31st bits set. The code points represented by
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<TT
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CLASS="LITERAL"
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>map[3]</TT
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> and later are left as an excercise for the
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reader ;).
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</P
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></DIV
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><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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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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><TD
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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="fccharsetissubset.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="34%"
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ALIGN="center"
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VALIGN="top"
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><A
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HREF="t1.html"
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ACCESSKEY="H"
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>Home</A
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></TD
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><TD
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WIDTH="33%"
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ALIGN="right"
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VALIGN="top"
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><A
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HREF="fccharsetnextpage.html"
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ACCESSKEY="N"
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>Next >>></A
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></TD
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></TR
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><TR
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><TD
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WIDTH="33%"
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ALIGN="left"
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VALIGN="top"
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>FcCharSetIsSubset</TD
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><TD
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WIDTH="34%"
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ALIGN="center"
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VALIGN="top"
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><A
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HREF="x102.html#AEN1549"
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ACCESSKEY="U"
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>Up</A
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></TD
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><TD
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WIDTH="33%"
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ALIGN="right"
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VALIGN="top"
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>FcCharSetNextPage</TD
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></TR
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></TABLE
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></DIV
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></BODY
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></HTML
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> |