pango-coverage-maps.html

GTK+-2.0源码之pango-1.15.6.tar.gz

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<span class="term"><em class="parameter"><code>coverage</code></em>&#160;:</span></td>
<td> a <a href="pango-Coverage-Maps.html#PangoCoverage"><span class="type">PangoCoverage</span></a>
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<a name="id2933510"></a><h3>
<a name="pango-coverage-copy"></a>pango_coverage_copy ()</h3>
<a class="indexterm" name="id2933523"></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>
<p>
Copy an existing <a href="pango-Coverage-Maps.html#PangoCoverage"><span class="type">PangoCoverage</span></a>. (This function may now be unnecessary
since we refcount the structure. File a bug if you use it.)</p>
<p>

</p>
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<span class="term"><em class="parameter"><code>coverage</code></em>&#160;:</span></td>
<td> a <a href="pango-Coverage-Maps.html#PangoCoverage"><span class="type">PangoCoverage</span></a>
</td>
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<span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></td>
<td> the newly allocated <a href="pango-Coverage-Maps.html#PangoCoverage"><span class="type">PangoCoverage</span></a>,
              with a reference count of one, which
              should be freed with <a href="pango-Coverage-Maps.html#pango-coverage-unref"><code class="function">pango_coverage_unref()</code></a>.
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<a name="id2933622"></a><h3>
<a name="pango-coverage-get"></a>pango_coverage_get ()</h3>
<a class="indexterm" name="id2933636"></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,
                                             int index_);</pre>
<p>
Determine whether a particular index is covered by <em class="parameter"><code>coverage</code></em></p>
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</p>
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<span class="term"><em class="parameter"><code>coverage</code></em>&#160;:</span></td>
<td> a <a href="pango-Coverage-Maps.html#PangoCoverage"><span class="type">PangoCoverage</span></a>
</td>
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<span class="term"><em class="parameter"><code>index_</code></em>&#160;:</span></td>
<td> the index to check
</td>
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<span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></td>
<td> the coverage level of <em class="parameter"><code>coverage</code></em> for character <em class="parameter"><code>index_</code></em>.
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<a name="id2933743"></a><h3>
<a name="pango-coverage-max"></a>pango_coverage_max ()</h3>
<a class="indexterm" name="id2933756"></a><pre class="programlisting">void        pango_coverage_max              (<a href="pango-Coverage-Maps.html#PangoCoverage">PangoCoverage</a> *coverage,
                                             <a href="pango-Coverage-Maps.html#PangoCoverage">PangoCoverage</a> *other);</pre>
<p>
Set the coverage for each index in <em class="parameter"><code>coverage</code></em> to be the max (better)
value of the current coverage for the index and the coverage for
the corresponding index in <em class="parameter"><code>other</code></em>.</p>
<p>

</p>
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<span class="term"><em class="parameter"><code>coverage</code></em>&#160;:</span></td>
<td> a <a href="pango-Coverage-Maps.html#PangoCoverage"><span class="type">PangoCoverage</span></a>
</td>
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<span class="term"><em class="parameter"><code>other</code></em>&#160;:</span></td>
<td> another <a href="pango-Coverage-Maps.html#PangoCoverage"><span class="type">PangoCoverage</span></a>
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<div class="refsect2" lang="en">
<a name="id2933858"></a><h3>
<a name="pango-coverage-set"></a>pango_coverage_set ()</h3>
<a class="indexterm" name="id2933871"></a><pre class="programlisting">void        pango_coverage_set              (<a href="pango-Coverage-Maps.html#PangoCoverage">PangoCoverage</a> *coverage,
                                             int index_,
                                             <a href="pango-Coverage-Maps.html#PangoCoverageLevel">PangoCoverageLevel</a> level);</pre>
<p>
Modify a particular index within <em class="parameter"><code>coverage</code></em></p>
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<span class="term"><em class="parameter"><code>coverage</code></em>&#160;:</span></td>
<td> a <a href="pango-Coverage-Maps.html#PangoCoverage"><span class="type">PangoCoverage</span></a>
</td>
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<span class="term"><em class="parameter"><code>index_</code></em>&#160;:</span></td>
<td> the index to modify
</td>
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<span class="term"><em class="parameter"><code>level</code></em>&#160;:</span></td>
<td> the new level for <em class="parameter"><code>index_</code></em>
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<div class="refsect2" lang="en">
<a name="id2933983"></a><h3>
<a name="pango-coverage-to-bytes"></a>pango_coverage_to_bytes ()</h3>
<a class="indexterm" name="id2933996"></a><pre class="programlisting">void        pango_coverage_to_bytes         (<a href="pango-Coverage-Maps.html#PangoCoverage">PangoCoverage</a> *coverage,
                                             <a
href="../glib/glib-Basic-Types.html#guchar"
>guchar</a> **bytes,
                                             int *n_bytes);</pre>
<p>
Convert a <a href="pango-Coverage-Maps.html#PangoCoverage"><span class="type">PangoCoverage</span></a> structure into a flat binary format</p>
<p>

</p>
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<span class="term"><em class="parameter"><code>coverage</code></em>&#160;:</span></td>
<td> a <a href="pango-Coverage-Maps.html#PangoCoverage"><span class="type">PangoCoverage</span></a>
</td>
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<span class="term"><em class="parameter"><code>bytes</code></em>&#160;:</span></td>
<td> location to store result (must be freed with <a
href="../glib/glib-Memory-Allocation.html#g-free"
><code class="function">g_free()</code></a>)
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<span class="term"><em class="parameter"><code>n_bytes</code></em>&#160;:</span></td>
<td> location to store size of result
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<div class="refsect2" lang="en">
<a name="id2934116"></a><h3>
<a name="pango-coverage-from-bytes"></a>pango_coverage_from_bytes ()</h3>
<a class="indexterm" name="id2934130"></a><pre class="programlisting"><a href="pango-Coverage-Maps.html#PangoCoverage">PangoCoverage</a>* pango_coverage_from_bytes    (<a
href="../glib/glib-Basic-Types.html#guchar"
>guchar</a> *bytes,
                                             int n_bytes);</pre>
<p>
Convert data generated from <code class="function">pango_converage_to_bytes()</code> back
to a <a href="pango-Coverage-Maps.html#PangoCoverage"><span class="type">PangoCoverage</span></a></p>
<p>

</p>
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<span class="term"><em class="parameter"><code>bytes</code></em>&#160;:</span></td>
<td> binary data representing a <a href="pango-Coverage-Maps.html#PangoCoverage"><span class="type">PangoCoverage</span></a>
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<span class="term"><em class="parameter"><code>n_bytes</code></em>&#160;:</span></td>
<td> the size of <em class="parameter"><code>bytes</code></em> in bytes
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<span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></td>
<td> a newly allocated <a href="pango-Coverage-Maps.html#PangoCoverage"><span class="type">PangoCoverage</span></a>, or <a
href="../glib/glib-Standard-Macros.html#NULL:CAPS"
><code class="literal">NULL</code></a> if
              the data was invalid.
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