pango-xft-fonts-and-rendering.html

GTK+-2.0源码之pango-1.15.6.tar.gz

</p>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id2885620"></a><h3>
<a name="pango-xft-set-default-substitute"></a>pango_xft_set_default_substitute ()</h3>
<a class="indexterm" name="id2885636"></a><pre class="programlisting">void        pango_xft_set_default_substitute
                                            (Display *display,
                                             int screen,
                                             <a href="pango-Xft-Fonts-and-Rendering.html#PangoXftSubstituteFunc">PangoXftSubstituteFunc</a> func,
                                             <a
href="../glib/glib-Basic-Types.html#gpointer"
>gpointer</a> data,
                                             <a
href="../glib/glib-Datasets.html#GDestroyNotify"
>GDestroyNotify</a> notify);</pre>
<p>
Sets a function that will be called to do final configuration
substitution on a <span class="type">FcPattern</span> before it is used to load
the font. This function can be used to do things like set
hinting and antialiasing options.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td>
<span class="term"><em class="parameter"><code>display</code></em>&#160;:</span></td>
<td> an X Display
</td>
</tr>
<tr>
<td>
<span class="term"><em class="parameter"><code>screen</code></em>&#160;:</span></td>
<td> the screen number of a screen within <em class="parameter"><code>display</code></em>
</td>
</tr>
<tr>
<td>
<span class="term"><em class="parameter"><code>func</code></em>&#160;:</span></td>
<td> function to call to to do final config tweaking
       on <span class="type">FcPattern</span> objects.
</td>
</tr>
<tr>
<td>
<span class="term"><em class="parameter"><code>data</code></em>&#160;:</span></td>
<td> data to pass to <em class="parameter"><code>func</code></em>
</td>
</tr>
<tr>
<td>
<span class="term"><em class="parameter"><code>notify</code></em>&#160;:</span></td>
<td> function to call when <em class="parameter"><code>data</code></em> is no longer used.
</td>
</tr>
</tbody>
</table></div>
<p>Since  1.2
</p>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id2885817"></a><h3>
<a name="PangoXftSubstituteFunc"></a>PangoXftSubstituteFunc ()</h3>
<a class="indexterm" name="id2885830"></a><pre class="programlisting">void        (*PangoXftSubstituteFunc)       (FcPattern *pattern,
                                             <a
href="../glib/glib-Basic-Types.html#gpointer"
>gpointer</a> data);</pre>
<p>
Function type for doing final config tweaking on prepared FcPatterns.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td>
<span class="term"><em class="parameter"><code>pattern</code></em>&#160;:</span></td>
<td>the FcPattern to tweak.
</td>
</tr>
<tr>
<td>
<span class="term"><em class="parameter"><code>data</code></em>&#160;:</span></td>
<td>user data.


</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id2885899"></a><h3>
<a name="pango-xft-substitute-changed"></a>pango_xft_substitute_changed ()</h3>
<a class="indexterm" name="id2885915"></a><pre class="programlisting">void        pango_xft_substitute_changed    (Display *display,
                                             int screen);</pre>
<p>
Call this function any time the results of the
default substitution function set with
<a href="pango-Xft-Fonts-and-Rendering.html#pango-xft-set-default-substitute"><code class="function">pango_xft_set_default_substitute()</code></a> change.
That is, if your substitution function will return different
results for the same input pattern, you must call this function.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td>
<span class="term"><em class="parameter"><code>display</code></em>&#160;:</span></td>
<td> an X Display
</td>
</tr>
<tr>
<td>
<span class="term"><em class="parameter"><code>screen</code></em>&#160;:</span></td>
<td> the screen number of a screen within <em class="parameter"><code>display</code></em>
</td>
</tr>
</tbody>
</table></div>
<p>Since  1.2
</p>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id2886012"></a><h3>
<a name="pango-xft-shutdown-display"></a>pango_xft_shutdown_display ()</h3>
<a class="indexterm" name="id2886028"></a><pre class="programlisting">void        pango_xft_shutdown_display      (Display *display,
                                             int screen);</pre>
<p>
Release any resources that have been cached for the
combination of <em class="parameter"><code>display</code></em> and <em class="parameter"><code>screen</code></em>. Note that when the
X display is closed, resources are released automatically,
without needing to call this function.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td>
<span class="term"><em class="parameter"><code>display</code></em>&#160;:</span></td>
<td> an X display
</td>
</tr>
<tr>
<td>
<span class="term"><em class="parameter"><code>screen</code></em>&#160;:</span></td>
<td> the screen number of a screen within <em class="parameter"><code>display</code></em>
</td>
</tr>
</tbody>
</table></div>
<p>Since  1.2
</p>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id2886124"></a><h3>
<a name="pango-xft-font-get-font"></a>pango_xft_font_get_font ()</h3>
<a class="indexterm" name="id2886137"></a><pre class="programlisting">XftFont*    pango_xft_font_get_font         (<a href="pango-Fonts.html#PangoFont">PangoFont</a> *font);</pre>
<p>
Returns the XftFont of a font.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td>
<span class="term"><em class="parameter"><code>font</code></em>&#160;:</span></td>
<td> a <a href="pango-Fonts.html#PangoFont"><span class="type">PangoFont</span></a>.
</td>
</tr>
<tr>
<td>
<span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></td>
<td> the XftFont associated to <em class="parameter"><code>font</code></em>.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id2886211"></a><h3>
<a name="pango-xft-font-get-display"></a>pango_xft_font_get_display ()</h3>
<a class="indexterm" name="id2886225"></a><pre class="programlisting">Display*    pango_xft_font_get_display      (<a href="pango-Fonts.html#PangoFont">PangoFont</a> *font);</pre>
<p>
Returns the X display of the XftFont of a font.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td>
<span class="term"><em class="parameter"><code>font</code></em>&#160;:</span></td>
<td> a <a href="pango-Fonts.html#PangoFont"><span class="type">PangoFont</span></a>.
</td>
</tr>
<tr>
<td>
<span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></td>
<td> the X display of the XftFont associated to <em class="parameter"><code>font</code></em>.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id2886299"></a><h3>
<a name="pango-xft-font-has-char"></a>pango_xft_font_has_char ()</h3>
<a class="indexterm" name="id2886315"></a><a class="indexterm" name="id2886323"></a><pre class="programlisting"><a
href="../glib/glib-Basic-Types.html#gboolean"
>gboolean</a>    pango_xft_font_has_char         (<a href="pango-Fonts.html#PangoFont">PangoFont</a> *font,
                                             <a
href="../glib/glib-Unicode-Manipulation.html#gunichar"
>gunichar</a> wc);</pre>
<div class="warning" style="margin-left: 0.5in; margin-right: 0.5in;">
<h3 class="title">Warning</h3>
<p><code class="literal">pango_xft_font_has_char</code> is deprecated and should not be used in newly-written code.</p>
</div>
<p>
Determines whether <em class="parameter"><code>font</code></em> has a glyph for the codepoint <em class="parameter"><code>wc</code></em>.
</p>
<p>
Use <a href="PangoFcFont.html#pango-fc-font-has-char"><code class="function">pango_fc_font_has_char()</code></a> instead.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td>
<span class="term"><em class="parameter"><code>font</code></em>&#160;:</span></td>
<td> a <a href="pango-Fonts.html#PangoFont"><span class="type">PangoFont</span></a> for the Xft backend
</td>
</tr>
<tr>
<td>
<span class="term"><em class="parameter"><code>wc</code></em>&#160;:</span></td>
<td> Unicode codepoint to look up
</td>
</tr>
<tr>
<td>
<span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></td>
<td> <a
href="../glib/glib-Standard-Macros.html#TRUE:CAPS"
><code class="literal">TRUE</code></a> if <em class="parameter"><code>font</code></em> has the requested codepoint.

</td>
</tr>
</tbody>
</table></div>
<p>Since  1.2
</p>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id2886472"></a><h3>
<a name="pango-xft-font-lock-face"></a>pango_xft_font_lock_face ()</h3>
<a class="indexterm" name="id2886488"></a><a class="indexterm" name="id2886496"></a><pre class="programlisting">FT_Face     pango_xft_font_lock_face        (<a href="pango-Fonts.html#PangoFont">PangoFont</a> *font);</pre>
<div class="warning" style="margin-left: 0.5in; margin-right: 0.5in;">
<h3 class="title">Warning</h3>
<p><code class="literal">pango_xft_font_lock_face</code> is deprecated and should not be used in newly-written code.</p>
</div>
<p>
Gets the FreeType <span class="type">FT_Face</span> associated with a font,
This face will be kept around until you call
<a href="pango-Xft-Fonts-and-Rendering.html#pango-xft-font-unlock-face"><code class="function">pango_xft_font_unlock_face()</code></a>.
</p>
<p>
Use <a href="PangoFcFont.html#pango-fc-font-lock-face"><code class="function">pango_fc_font_lock_face()</code></a> instead.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td>
<span class="term"><em class="parameter"><code>font</code></em>&#160;:</span></td>
<td> a <a href="pango-Fonts.html#PangoFont"><span class="type">PangoFont</span></a>.
</td>
</tr>
<tr>
<td>
<span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></td>
<td> the FreeType <span class="type">FT_Face</span> associated with <em class="parameter"><code>font</code></em>.

</td>
</tr>
</tbody>
</table></div>
<p>Since  1.2