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  • Committer: Bazaar Package Importer
  • Author(s): Sebastien Bacher
  • Date: 2007-04-10 00:59:24 UTC
  • mfrom: (20.1.23 feisty)
  • Revision ID: james.westby@ubuntu.com-20070410005924-bbuu8vi6fw9f1fn1
Tags: 1.16.2-0ubuntu1
* New upstream version
  - Fixed various bug in the OpenType Layout code
  - Improved documentation
  - Improved ATSUI backend
  - Misc build system fixes
  - Bugs fixed in this release:
    - pangowin32-fontmap.c:using function without prototype
    - Don't create coverage every time it's asked for

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docs/html/pango-Coverage-Maps.html
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=US-ASCII">
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<title>Coverage Maps</title>
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<meta name="generator" content="DocBook XSL Stylesheets V1.69.1">
 
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<meta name="generator" content="DocBook XSL Stylesheets V1.72.0">
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<link rel="start" href="index.html" title="Pango Reference Manual">
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<link rel="up" href="lowlevel.html" title="Low Level Functionality">
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<link rel="prev" href="pango-OpenType-Font-Handling.html" title="OpenType Font Handling">
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<th width="100%" align="center">Pango Reference Manual</th>
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<td><a accesskey="n" href="pango-Engines.html"><img src="right.png" width="24" height="24" border="0" alt="Next"></a></td>
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</tr>
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<tr><td colspan="5" class="shortcuts"><nobr><a href="#id3169412" class="shortcut">Top</a>
 
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<tr><td colspan="5" class="shortcuts"><nobr><a href="#id2759699" class="shortcut">Top</a>
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                  &#160;|&#160;
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                  <a href="#id3169706" class="shortcut">Description</a></nobr></td></tr>
 
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                  <a href="#id2759993" class="shortcut">Description</a></nobr></td></tr>
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</table>
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<div class="refentry" lang="en">
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<a name="pango-Coverage-Maps"></a><div class="titlepage"></div>
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<div class="refnamediv"><table width="100%"><tr>
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<td valign="top">
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<h2>
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<a name="id3169412"></a><span class="refentrytitle">Coverage Maps</span>
 
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<a name="id2759699"></a><span class="refentrytitle">Coverage Maps</span>
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</h2>
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<p>Coverage Maps &#8212; Unicode character range coverage storage</p>
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</td>
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</pre>
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</div>
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<div class="refsect1" lang="en">
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<a name="id3169706"></a><h2>Description</h2>
 
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<a name="id2759993"></a><h2>Description</h2>
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<p>
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It is often necessary in Pango to determine if a particular font can
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represent a particular character, and also how well it can represent
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</p>
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</div>
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<div class="refsect1" lang="en">
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<a name="id3169732"></a><h2>Details</h2>
 
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<a name="id2760019"></a><h2>Details</h2>
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<div class="refsect2" lang="en">
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<a name="id3169743"></a><h3>
 
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<a name="id2760030"></a><h3>
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<a name="PangoCoverageLevel"></a>enum PangoCoverageLevel</h3>
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<a class="indexterm" name="id3169756"></a><pre class="programlisting">typedef enum {
 
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<a class="indexterm" name="id2760043"></a><pre class="programlisting">typedef enum {
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  PANGO_COVERAGE_NONE,
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  PANGO_COVERAGE_FALLBACK,
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  PANGO_COVERAGE_APPROXIMATE,
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</div>
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<hr>
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<div class="refsect2" lang="en">
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<a name="id3169880"></a><h3>
 
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<a name="id2760167"></a><h3>
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<a name="PANGO-TYPE-COVERAGE-LEVEL:CAPS"></a>PANGO_TYPE_COVERAGE_LEVEL</h3>
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<a class="indexterm" name="id3169894"></a><pre class="programlisting">#define PANGO_TYPE_COVERAGE_LEVEL (pango_coverage_level_get_type())
 
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<a class="indexterm" name="id2760181"></a><pre class="programlisting">#define PANGO_TYPE_COVERAGE_LEVEL (pango_coverage_level_get_type())
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</pre>
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<p>
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The <a
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</div>
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<hr>
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<div class="refsect2" lang="en">
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<a name="id3169926"></a><h3>
 
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<a name="id2760213"></a><h3>
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<a name="PangoCoverage"></a>PangoCoverage</h3>
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<a class="indexterm" name="id3169939"></a><pre class="programlisting">typedef struct _PangoCoverage PangoCoverage;</pre>
 
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<a class="indexterm" name="id2760226"></a><pre class="programlisting">typedef struct _PangoCoverage PangoCoverage;</pre>
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<p>
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The <a href="pango-Coverage-Maps.html#PangoCoverage"><span class="type">PangoCoverage</span></a> structure represents a map from Unicode characters
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to <a href="pango-Coverage-Maps.html#PangoCoverageLevel"><span class="type">PangoCoverageLevel</span></a>. It is an opaque structure with no public fields.
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</div>
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<hr>
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<div class="refsect2" lang="en">
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<a name="id3169974"></a><h3>
 
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<a name="id2760260"></a><h3>
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<a name="pango-coverage-new"></a>pango_coverage_new ()</h3>
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<a class="indexterm" name="id3169987"></a><pre class="programlisting"><a href="pango-Coverage-Maps.html#PangoCoverage">PangoCoverage</a>* pango_coverage_new           (void);</pre>
 
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<a class="indexterm" name="id2760274"></a><pre class="programlisting"><a href="pango-Coverage-Maps.html#PangoCoverage">PangoCoverage</a>* pango_coverage_new           (void);</pre>
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<p>
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Create a new <a href="pango-Coverage-Maps.html#PangoCoverage"><span class="type">PangoCoverage</span></a></p>
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<p>
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</div>
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<hr>
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<div class="refsect2" lang="en">
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<a name="id3170066"></a><h3>
 
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<a name="id2760353"></a><h3>
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<a name="pango-coverage-ref"></a>pango_coverage_ref ()</h3>
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<a class="indexterm" name="id3170080"></a><pre class="programlisting"><a href="pango-Coverage-Maps.html#PangoCoverage">PangoCoverage</a>* pango_coverage_ref           (<a href="pango-Coverage-Maps.html#PangoCoverage">PangoCoverage</a> *coverage);</pre>
 
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<a class="indexterm" name="id2760366"></a><pre class="programlisting"><a href="pango-Coverage-Maps.html#PangoCoverage">PangoCoverage</a>* pango_coverage_ref           (<a href="pango-Coverage-Maps.html#PangoCoverage">PangoCoverage</a> *coverage);</pre>
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<p>
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Increase the reference count on the <a href="pango-Coverage-Maps.html#PangoCoverage"><span class="type">PangoCoverage</span></a> by one</p>
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<p>
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</div>
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<hr>
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<div class="refsect2" lang="en">
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<a name="id3170162"></a><h3>
 
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<a name="id2760449"></a><h3>
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<a name="pango-coverage-unref"></a>pango_coverage_unref ()</h3>
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<a class="indexterm" name="id3170176"></a><pre class="programlisting">void        pango_coverage_unref            (<a href="pango-Coverage-Maps.html#PangoCoverage">PangoCoverage</a> *coverage);</pre>
 
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<a class="indexterm" name="id2760462"></a><pre class="programlisting">void        pango_coverage_unref            (<a href="pango-Coverage-Maps.html#PangoCoverage">PangoCoverage</a> *coverage);</pre>
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<p>
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Increase the reference count on the <a href="pango-Coverage-Maps.html#PangoCoverage"><span class="type">PangoCoverage</span></a> by one.
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if the result is zero, free the coverage and all associated memory.</p>
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</div>
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<hr>
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<div class="refsect2" lang="en">
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<a name="id3170244"></a><h3>
 
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<a name="id2760531"></a><h3>
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<a name="pango-coverage-copy"></a>pango_coverage_copy ()</h3>
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<a class="indexterm" name="id3170257"></a><pre class="programlisting"><a href="pango-Coverage-Maps.html#PangoCoverage">PangoCoverage</a>* pango_coverage_copy          (<a href="pango-Coverage-Maps.html#PangoCoverage">PangoCoverage</a> *coverage);</pre>
 
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<a class="indexterm" name="id2760544"></a><pre class="programlisting"><a href="pango-Coverage-Maps.html#PangoCoverage">PangoCoverage</a>* pango_coverage_copy          (<a href="pango-Coverage-Maps.html#PangoCoverage">PangoCoverage</a> *coverage);</pre>
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<p>
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Copy an existing <a href="pango-Coverage-Maps.html#PangoCoverage"><span class="type">PangoCoverage</span></a>. (This function may now be unnecessary
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since we refcount the structure. File a bug if you use it.)</p>
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</div>
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<hr>
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<div class="refsect2" lang="en">
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<a name="id3170356"></a><h3>
 
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<a name="id2760643"></a><h3>
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<a name="pango-coverage-get"></a>pango_coverage_get ()</h3>
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<a class="indexterm" name="id3170370"></a><pre class="programlisting"><a href="pango-Coverage-Maps.html#PangoCoverageLevel">PangoCoverageLevel</a> pango_coverage_get       (<a href="pango-Coverage-Maps.html#PangoCoverage">PangoCoverage</a> *coverage,
 
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<a class="indexterm" name="id2760657"></a><pre class="programlisting"><a href="pango-Coverage-Maps.html#PangoCoverageLevel">PangoCoverageLevel</a> pango_coverage_get       (<a href="pango-Coverage-Maps.html#PangoCoverage">PangoCoverage</a> *coverage,
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                                             int index_);</pre>
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<p>
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Determine whether a particular index is covered by <em class="parameter"><code>coverage</code></em></p>
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</div>
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<hr>
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<div class="refsect2" lang="en">
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<a name="id3170477"></a><h3>
 
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<a name="id2760764"></a><h3>
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<a name="pango-coverage-max"></a>pango_coverage_max ()</h3>
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<a class="indexterm" name="id3170490"></a><pre class="programlisting">void        pango_coverage_max              (<a href="pango-Coverage-Maps.html#PangoCoverage">PangoCoverage</a> *coverage,
 
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<a class="indexterm" name="id2760777"></a><pre class="programlisting">void        pango_coverage_max              (<a href="pango-Coverage-Maps.html#PangoCoverage">PangoCoverage</a> *coverage,
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                                             <a href="pango-Coverage-Maps.html#PangoCoverage">PangoCoverage</a> *other);</pre>
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<p>
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Set the coverage for each index in <em class="parameter"><code>coverage</code></em> to be the max (better)
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</div>
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<hr>
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<div class="refsect2" lang="en">
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<a name="id3170592"></a><h3>
 
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<a name="id2760879"></a><h3>
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<a name="pango-coverage-set"></a>pango_coverage_set ()</h3>
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<a class="indexterm" name="id3170605"></a><pre class="programlisting">void        pango_coverage_set              (<a href="pango-Coverage-Maps.html#PangoCoverage">PangoCoverage</a> *coverage,
 
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<a class="indexterm" name="id2760892"></a><pre class="programlisting">void        pango_coverage_set              (<a href="pango-Coverage-Maps.html#PangoCoverage">PangoCoverage</a> *coverage,
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                                             int index_,
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                                             <a href="pango-Coverage-Maps.html#PangoCoverageLevel">PangoCoverageLevel</a> level);</pre>
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<p>
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</div>
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<hr>
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<div class="refsect2" lang="en">
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<a name="id3170717"></a><h3>
 
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<a name="id2761004"></a><h3>
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<a name="pango-coverage-to-bytes"></a>pango_coverage_to_bytes ()</h3>
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<a class="indexterm" name="id3170730"></a><pre class="programlisting">void        pango_coverage_to_bytes         (<a href="pango-Coverage-Maps.html#PangoCoverage">PangoCoverage</a> *coverage,
 
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<a class="indexterm" name="id2761017"></a><pre class="programlisting">void        pango_coverage_to_bytes         (<a href="pango-Coverage-Maps.html#PangoCoverage">PangoCoverage</a> *coverage,
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                                             <a
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href="/home/behdad/.local/share/gtk-doc/html/glib/glib-Basic-Types.html#guchar"
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>guchar</a> **bytes,
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</div>
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<hr>
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<div class="refsect2" lang="en">
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<a name="id3170850"></a><h3>
 
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<a name="id2761137"></a><h3>
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<a name="pango-coverage-from-bytes"></a>pango_coverage_from_bytes ()</h3>
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<a class="indexterm" name="id3170864"></a><pre class="programlisting"><a href="pango-Coverage-Maps.html#PangoCoverage">PangoCoverage</a>* pango_coverage_from_bytes    (<a
 
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<a class="indexterm" name="id2761151"></a><pre class="programlisting"><a href="pango-Coverage-Maps.html#PangoCoverage">PangoCoverage</a>* pango_coverage_from_bytes    (<a
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href="/home/behdad/.local/share/gtk-doc/html/glib/glib-Basic-Types.html#guchar"
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>guchar</a> *bytes,
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                                             int n_bytes);</pre>