pango-vertical-text.html

linux

</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3200154"></a><h3>
<a name="PangoGravityHint"></a>enum PangoGravityHint</h3>
<a class="indexterm" name="id3200169"></a><pre class="programlisting">typedef enum {
  PANGO_GRAVITY_HINT_NATURAL,
  PANGO_GRAVITY_HINT_STRONG,
  PANGO_GRAVITY_HINT_LINE
} PangoGravityHint;
</pre>
<p>
The <a href="pango-Vertical-Text.html#PangoGravityHint"><span class="type">PangoGravityHint</span></a> defines how horizontal scripts should behave in a
vertical context.  That is, English excerpt in a vertical paragraph for
example.
</p>
<p>
See <a href="pango-Vertical-Text.html#PangoGravity"><span class="type">PangoGravity</span></a>.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><span class="term"><a name="PANGO-GRAVITY-HINT-NATURAL:CAPS"></a><code class="literal">PANGO_GRAVITY_HINT_NATURAL</code></span></td>
<td> scripts will take their natural gravity based
on the base gravity and the script.  This is the default.
</td>
</tr>
<tr>
<td><span class="term"><a name="PANGO-GRAVITY-HINT-STRONG:CAPS"></a><code class="literal">PANGO_GRAVITY_HINT_STRONG</code></span></td>
<td> always use the base gravity set, regardless of
the script.
</td>
</tr>
<tr>
<td><span class="term"><a name="PANGO-GRAVITY-HINT-LINE:CAPS"></a><code class="literal">PANGO_GRAVITY_HINT_LINE</code></span></td>
<td> for scripts not in their natural direction (eg.
Latin in East gravity), choose per-script gravity such that every script
respects the line progression.  This means, Latin and Arabic will take
opposite gravities and both flow top-to-bottom for example.
</td>
</tr>
</tbody>
</table></div>
<p class="since">Since  1.16
</p>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3200298"></a><h3>
<a name="PANGO-TYPE-GRAVITY-HINT:CAPS"></a>PANGO_TYPE_GRAVITY_HINT</h3>
<a class="indexterm" name="id3200312"></a><pre class="programlisting">#define PANGO_TYPE_GRAVITY_HINT (pango_gravity_hint_get_type())
</pre>
<p>
The <a
href="../gobject/gobject-The-Base-Object-Type.html#GObject"
><span class="type">GObject</span></a> type for <a href="pango-Vertical-Text.html#PangoGravity"><span class="type">PangoGravity</span></a>.
</p>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3200344"></a><h3>
<a name="PANGO-GRAVITY-IS-VERTICAL:CAPS"></a>PANGO_GRAVITY_IS_VERTICAL()</h3>
<a class="indexterm" name="id3200360"></a><pre class="programlisting">#define             PANGO_GRAVITY_IS_VERTICAL(gravity)</pre>
<p>
Whether a <a href="pango-Vertical-Text.html#PangoGravity"><span class="type">PangoGravity</span></a> represents vertical writing directions.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><span class="term"><em class="parameter"><code>gravity</code></em>&#160;:</span></td>
<td> the <a href="pango-Vertical-Text.html#PangoGravity"><span class="type">PangoGravity</span></a> to check
</td>
</tr></tbody>
</table></div>
<p class="since">Since  1.16
</p>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3200422"></a><h3>
<a name="pango-gravity-get-for-matrix"></a>pango_gravity_get_for_matrix ()</h3>
<a class="indexterm" name="id3200437"></a><pre class="programlisting"><a href="pango-Vertical-Text.html#PangoGravity">PangoGravity</a>        pango_gravity_get_for_matrix        (const <a href="pango-Glyph-Storage.html#PangoMatrix">PangoMatrix</a> *matrix);</pre>
<p>
Finds the gravity that best matches the rotation component
in a <a href="pango-Glyph-Storage.html#PangoMatrix"><span class="type">PangoMatrix</span></a>.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><span class="term"><em class="parameter"><code>matrix</code></em>&#160;:</span></td>
<td> a <a href="pango-Glyph-Storage.html#PangoMatrix"><span class="type">PangoMatrix</span></a>
</td>
</tr>
<tr>
<td><span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></td>
<td> the gravity of <em class="parameter"><code>matrix</code></em>, which will never be
<a href="pango-Vertical-Text.html#PANGO-GRAVITY-AUTO:CAPS"><code class="literal">PANGO_GRAVITY_AUTO</code></a>, or <a href="pango-Vertical-Text.html#PANGO-GRAVITY-SOUTH:CAPS"><code class="literal">PANGO_GRAVITY_SOUTH</code></a> if <em class="parameter"><code>matrix</code></em> is <a
href="../glib/glib-Standard-Macros.html#NULL:CAPS"
><code class="literal">NULL</code></a>

</td>
</tr>
</tbody>
</table></div>
<p class="since">Since  1.16
</p>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3200567"></a><h3>
<a name="pango-gravity-get-for-script"></a>pango_gravity_get_for_script ()</h3>
<a class="indexterm" name="id3200582"></a><pre class="programlisting"><a href="pango-Vertical-Text.html#PangoGravity">PangoGravity</a>        pango_gravity_get_for_script        (<a href="pango-Scripts.html#PangoScript">PangoScript</a> script,
                                                         <a href="pango-Vertical-Text.html#PangoGravity">PangoGravity</a> base_gravity,
                                                         <a href="pango-Vertical-Text.html#PangoGravityHint">PangoGravityHint</a> hint);</pre>
<p>
Based on the script, base gravity, and hint, returns actual gravity
to use in laying out a single <a href="pango-Text-Processing.html#PangoItem"><span class="type">PangoItem</span></a>.
</p>
<p>
If <em class="parameter"><code>base_gravity</code></em> is <a href="pango-Vertical-Text.html#PANGO-GRAVITY-AUTO:CAPS"><code class="literal">PANGO_GRAVITY_AUTO</code></a>, it is first replaced with the
preferred gravity of <em class="parameter"><code>script</code></em>.  To get the preferred gravity of a script,
pass <a href="pango-Vertical-Text.html#PANGO-GRAVITY-AUTO:CAPS"><code class="literal">PANGO_GRAVITY_AUTO</code></a> and <a href="pango-Vertical-Text.html#PANGO-GRAVITY-HINT-STRONG:CAPS"><code class="literal">PANGO_GRAVITY_HINT_STRONG</code></a> in.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><span class="term"><em class="parameter"><code>script</code></em>&#160;:</span></td>
<td> <a href="pango-Scripts.html#PangoScript"><span class="type">PangoScript</span></a> to query
</td>
</tr>
<tr>
<td><span class="term"><em class="parameter"><code>base_gravity</code></em>&#160;:</span></td>
<td> base gravity of the paragraph
</td>
</tr>
<tr>
<td><span class="term"><em class="parameter"><code>hint</code></em>&#160;:</span></td>
<td> orientation hint
</td>
</tr>
<tr>
<td><span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></td>
<td> resolved gravity suitable to use for a run of text

</td>
</tr>
</tbody>
</table></div>
<p class="since">Since  1.16
</p>
</div>
</div>
</div>
</body>
</html>