pango-text-processing.html

GTK+-2.0源码之pango-1.15.6.tar.gz

<span class="term"><em class="parameter"><code>font_map</code></em>&#160;:</span></td>
<td> the <a href="pango-Fonts.html#PangoFontMap"><span class="type">PangoFontMap</span></a> to set.
</td>
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</tbody>
</table></div>
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<div class="refsect2" lang="en">
<a name="id2757177"></a><h3>
<a name="pango-context-get-font-map"></a>pango_context_get_font_map ()</h3>
<a class="indexterm" name="id2757193"></a><pre class="programlisting"><a href="pango-Fonts.html#PangoFontMap">PangoFontMap</a>* pango_context_get_font_map    (<a href="pango-Text-Processing.html#PangoContext">PangoContext</a> *context);</pre>
<p>
Gets the <span class="type">PangoFontmap</span> used to look up fonts for this context.</p>
<p>

</p>
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<span class="term"><em class="parameter"><code>context</code></em>&#160;:</span></td>
<td> a <a href="pango-Text-Processing.html#PangoContext"><span class="type">PangoContext</span></a>
</td>
</tr>
<tr>
<td>
<span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></td>
<td> the font map for the <a href="pango-Text-Processing.html#PangoContext"><span class="type">PangoContext</span></a>. This value
 is owned by Pango and should not be unreferenced.

</td>
</tr>
</tbody>
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<p>Since  1.6
</p>
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<div class="refsect2" lang="en">
<a name="id2757285"></a><h3>
<a name="pango-context-get-font-description"></a>pango_context_get_font_description ()</h3>
<a class="indexterm" name="id2757299"></a><pre class="programlisting"><a href="pango-Fonts.html#PangoFontDescription">PangoFontDescription</a>* pango_context_get_font_description
                                            (<a href="pango-Text-Processing.html#PangoContext">PangoContext</a> *context);</pre>
<p>
Retrieve the default font description for the context.</p>
<p>

</p>
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<span class="term"><em class="parameter"><code>context</code></em>&#160;:</span></td>
<td> a <a href="pango-Text-Processing.html#PangoContext"><span class="type">PangoContext</span></a>
</td>
</tr>
<tr>
<td>
<span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></td>
<td> a pointer to the context's default font description.
              This value must not be modified or freed.
</td>
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<hr>
<div class="refsect2" lang="en">
<a name="id2757371"></a><h3>
<a name="pango-context-set-font-description"></a>pango_context_set_font_description ()</h3>
<a class="indexterm" name="id2757385"></a><pre class="programlisting">void        pango_context_set_font_description
                                            (<a href="pango-Text-Processing.html#PangoContext">PangoContext</a> *context,
                                             const <a href="pango-Fonts.html#PangoFontDescription">PangoFontDescription</a> *desc);</pre>
<p>
Set the default font description for the context</p>
<p>

</p>
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<span class="term"><em class="parameter"><code>context</code></em>&#160;:</span></td>
<td> a <a href="pango-Text-Processing.html#PangoContext"><span class="type">PangoContext</span></a>
</td>
</tr>
<tr>
<td>
<span class="term"><em class="parameter"><code>desc</code></em>&#160;:</span></td>
<td> the new pango font description
</td>
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</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id2757467"></a><h3>
<a name="pango-context-get-language"></a>pango_context_get_language ()</h3>
<a class="indexterm" name="id2757480"></a><pre class="programlisting"><a href="pango-Text-Attributes.html#PangoLanguage">PangoLanguage</a>* pango_context_get_language   (<a href="pango-Text-Processing.html#PangoContext">PangoContext</a> *context);</pre>
<p>
Retrieves the global language tag for the context.</p>
<p>

</p>
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<span class="term"><em class="parameter"><code>context</code></em>&#160;:</span></td>
<td> a <a href="pango-Text-Processing.html#PangoContext"><span class="type">PangoContext</span></a>
</td>
</tr>
<tr>
<td>
<span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></td>
<td> the global language tag.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id2757549"></a><h3>
<a name="pango-context-set-language"></a>pango_context_set_language ()</h3>
<a class="indexterm" name="id2757563"></a><pre class="programlisting">void        pango_context_set_language      (<a href="pango-Text-Processing.html#PangoContext">PangoContext</a> *context,
                                             <a href="pango-Text-Attributes.html#PangoLanguage">PangoLanguage</a> *language);</pre>
<p>
Sets the global language tag for the context.  The default language
for the locale of the running process can be found using
<a href="pango-Miscellaneous-Utilities.html#pango-language-get-default"><code class="function">pango_language_get_default()</code></a>.</p>
<p>

</p>
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<span class="term"><em class="parameter"><code>context</code></em>&#160;:</span></td>
<td> a <a href="pango-Text-Processing.html#PangoContext"><span class="type">PangoContext</span></a>
</td>
</tr>
<tr>
<td>
<span class="term"><em class="parameter"><code>language</code></em>&#160;:</span></td>
<td> the new language tag.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id2757656"></a><h3>
<a name="pango-context-get-base-dir"></a>pango_context_get_base_dir ()</h3>
<a class="indexterm" name="id2757670"></a><pre class="programlisting"><a href="pango-Text-Processing.html#PangoDirection">PangoDirection</a> pango_context_get_base_dir   (<a href="pango-Text-Processing.html#PangoContext">PangoContext</a> *context);</pre>
<p>
Retrieves the base direction for the context. See
<a href="pango-Text-Processing.html#pango-context-set-base-dir"><code class="function">pango_context_set_base_dir()</code></a>.</p>
<p>

</p>
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<td>
<span class="term"><em class="parameter"><code>context</code></em>&#160;:</span></td>
<td> a <a href="pango-Text-Processing.html#PangoContext"><span class="type">PangoContext</span></a>
</td>
</tr>
<tr>
<td>
<span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></td>
<td> the base direction for the context.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id2757751"></a><h3>
<a name="pango-context-set-base-dir"></a>pango_context_set_base_dir ()</h3>
<a class="indexterm" name="id2757764"></a><pre class="programlisting">void        pango_context_set_base_dir      (<a href="pango-Text-Processing.html#PangoContext">PangoContext</a> *context,
                                             <a href="pango-Text-Processing.html#PangoDirection">PangoDirection</a> direction);</pre>
<p>
Sets the base direction for the context.
</p>
<p>
The base direction is used in applying the Unicode bidirectional
algorithm; if the <em class="parameter"><code>direction</code></em> is <a href="pango-Text-Processing.html#PANGO-DIRECTION-LTR:CAPS"><code class="literal">PANGO_DIRECTION_LTR</code></a> or
<a href="pango-Text-Processing.html#PANGO-DIRECTION-RTL:CAPS"><code class="literal">PANGO_DIRECTION_RTL</code></a>, then the value will be used as the paragraph
direction in the Unicode bidirectional algorithm.  A value of
<a href="pango-Text-Processing.html#PANGO-DIRECTION-WEAK-LTR:CAPS"><code class="literal">PANGO_DIRECTION_WEAK_LTR</code></a> or <a href="pango-Text-Processing.html#PANGO-DIRECTION-WEAK-RTL:CAPS"><code class="literal">PANGO_DIRECTION_WEAK_RTL</code></a> is used only
for paragraphs that do not contain any strong characters themselves.</p>
<p>

</p>
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<span class="term"><em class="parameter"><code>context</code></em>&#160;:</span></td>
<td> a <a href="pango-Text-Processing.html#PangoContext"><span class="type">PangoContext</span></a>
</td>
</tr>
<tr>
<td>
<span class="term"><em class="parameter"><code>direction</code></em>&#160;:</span></td>
<td> the new base direction
</td>
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</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id2757903"></a><h3>
<a name="pango-context-get-base-gravity"></a>pango_context_get_base_gravity ()</h3>
<a class="indexterm" name="id2757918"></a><pre class="programlisting"><a href="pango-Vertical-Text.html#PangoGravity">PangoGravity</a> pango_context_get_base_gravity (<a href="pango-Text-Processing.html#PangoContext">PangoContext</a> *context);</pre>
<p>
Retrieves the base gravity for the context. See
<a href="pango-Text-Processing.html#pango-context-set-base-gravity"><code class="function">pango_context_set_base_gravity()</code></a>.</p>
<p>

</p>
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<td>
<span class="term"><em class="parameter"><code>context</code></em>&#160;:</span></td>
<td> a <a href="pango-Text-Processing.html#PangoContext"><span class="type">PangoContext</span></a>
</td>
</tr>
<tr>
<td>
<span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></td>
<td> the base gravity for the context.

</td>
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</tbody>
</table></div>
<p>Since  1.16
</p>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id2758004"></a><h3>
<a name="pango-context-set-base-gravity"></a>pango_context_set_base_gravity ()</h3>
<a class="indexterm" name="id2758019"></a><pre class="programlisting">void        pango_context_set_base_gravity  (<a href="pango-Text-Processing.html#PangoContext">PangoContext</a> *context,
                                             <a href="pango-Vertical-Text.html#PangoGravity">PangoGravity</a> gravity);</pre>
<p>
Sets the base gravity for the context.
</p>
<p>
The base gravity is used in laying vertical text out.</p>
<p>

</p>
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<td>
<span class="term"><em class="parameter"><code>context</code></em>&#160;:</span></td>
<td> a <a href="pango-Text-Processing.html#PangoContext"><span class="type">PangoContext</span></a>
</td>
</tr>
<tr>
<td>
<span class="term"><em class="parameter"><code>gravity</code></em>&#160;:</span></td>
<td> the new base gravity
</td>
</tr>
</tbody>
</table></div>
<p>Since  1.16