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<a href="#PangoFcFontMap.object-hierarchy" class="shortcut">Object Hierarchy</a>
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<h2><span class="refentrytitle"><a name="PangoFcFontMap.top_of_page"></a>PangoFcFontMap</span></h2>
<p>PangoFcFontMap — Base fontmap class for Fontconfig-based backends</p>
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<div class="refsynopsisdiv">
<a name="PangoFcFontMap.synopsis"></a><h2>Synopsis</h2>
<pre class="synopsis">struct <a class="link" href="PangoFcFontMap.html#PangoFcFontMap-struct" title="struct PangoFcFontMap">PangoFcFontMap</a>;
struct <a class="link" href="PangoFcFontMap.html#PangoFcFontMapClass" title="struct PangoFcFontMapClass">PangoFcFontMapClass</a>;
<a class="link" href="pango-Text-Processing.html#PangoContext"><span class="returnvalue">PangoContext</span></a> * <a class="link" href="PangoFcFontMap.html#pango-fc-font-map-create-context" title="pango_fc_font_map_create_context ()">pango_fc_font_map_create_context</a> (<em class="parameter"><code><a class="link" href="PangoFcFontMap.html" title="PangoFcFontMap"><span class="type">PangoFcFontMap</span></a> *fcfontmap</code></em>);
<a class="link" href="PangoFcDecoder.html" title="PangoFcDecoder"><span class="returnvalue">PangoFcDecoder</span></a> * (<a class="link" href="PangoFcFontMap.html#PangoFcDecoderFindFunc" title="PangoFcDecoderFindFunc ()">*PangoFcDecoderFindFunc</a>) (<em class="parameter"><code><span class="type">FcPattern</span> *pattern</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> user_data</code></em>);
<span class="returnvalue">void</span> <a class="link" href="PangoFcFontMap.html#pango-fc-font-map-add-decoder-find-func" title="pango_fc_font_map_add_decoder_find_func ()">pango_fc_font_map_add_decoder_find_func</a>
(<em class="parameter"><code><a class="link" href="PangoFcFontMap.html" title="PangoFcFontMap"><span class="type">PangoFcFontMap</span></a> *fcfontmap</code></em>,
<em class="parameter"><code><a class="link" href="PangoFcFontMap.html#PangoFcDecoderFindFunc" title="PangoFcDecoderFindFunc ()"><span class="type">PangoFcDecoderFindFunc</span></a> findfunc</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> user_data</code></em>,
<em class="parameter"><code><span class="type">GDestroyNotify</span> dnotify</code></em>);
<a class="link" href="PangoFcDecoder.html" title="PangoFcDecoder"><span class="returnvalue">PangoFcDecoder</span></a> * <a class="link" href="PangoFcFontMap.html#pango-fc-font-map-find-decoder" title="pango_fc_font_map_find_decoder ()">pango_fc_font_map_find_decoder</a> (<em class="parameter"><code><a class="link" href="PangoFcFontMap.html" title="PangoFcFontMap"><span class="type">PangoFcFontMap</span></a> *fcfontmap</code></em>,
<em class="parameter"><code><span class="type">FcPattern</span> *pattern</code></em>);
<span class="returnvalue">void</span> <a class="link" href="PangoFcFontMap.html#pango-fc-font-map-cache-clear" title="pango_fc_font_map_cache_clear ()">pango_fc_font_map_cache_clear</a> (<em class="parameter"><code><a class="link" href="PangoFcFontMap.html" title="PangoFcFontMap"><span class="type">PangoFcFontMap</span></a> *fcfontmap</code></em>);
<span class="returnvalue">void</span> <a class="link" href="PangoFcFontMap.html#pango-fc-font-map-shutdown" title="pango_fc_font_map_shutdown ()">pango_fc_font_map_shutdown</a> (<em class="parameter"><code><a class="link" href="PangoFcFontMap.html" title="PangoFcFontMap"><span class="type">PangoFcFontMap</span></a> *fcfontmap</code></em>);
<a class="link" href="pango-Fonts.html#PangoFontDescription"><span class="returnvalue">PangoFontDescription</span></a> * <a class="link" href="PangoFcFontMap.html#pango-fc-font-description-from-pattern" title="pango_fc_font_description_from_pattern ()">pango_fc_font_description_from_pattern</a>
(<em class="parameter"><code><span class="type">FcPattern</span> *pattern</code></em>,
<em class="parameter"><code><span class="type">gboolean</span> include_size</code></em>);
#define <a class="link" href="PangoFcFontMap.html#PANGO-FC-GRAVITY:CAPS" title="PANGO_FC_GRAVITY">PANGO_FC_GRAVITY</a>
#define <a class="link" href="PangoFcFontMap.html#PANGO-FC-VERSION:CAPS" title="PANGO_FC_VERSION">PANGO_FC_VERSION</a>
#define <a class="link" href="PangoFcFontMap.html#PANGO-FC-PRGNAME:CAPS" title="PANGO_FC_PRGNAME">PANGO_FC_PRGNAME</a>
<a class="link" href="PangoFcFontMap.html#PangoFcFontsetKey" title="PangoFcFontsetKey">PangoFcFontsetKey</a>;
<span class="returnvalue">gpointer</span> <a class="link" href="PangoFcFontMap.html#pango-fc-fontset-key-get-context-key" title="pango_fc_fontset_key_get_context_key ()">pango_fc_fontset_key_get_context_key</a>
(<em class="parameter"><code>const <a class="link" href="PangoFcFontMap.html#PangoFcFontsetKey" title="PangoFcFontsetKey"><span class="type">PangoFcFontsetKey</span></a> *key</code></em>);
const <a class="link" href="pango-Fonts.html#PangoFontDescription"><span class="returnvalue">PangoFontDescription</span></a> * <a class="link" href="PangoFcFontMap.html#pango-fc-fontset-key-get-description" title="pango_fc_fontset_key_get_description ()">pango_fc_fontset_key_get_description</a>
(<em class="parameter"><code>const <a class="link" href="PangoFcFontMap.html#PangoFcFontsetKey" title="PangoFcFontsetKey"><span class="type">PangoFcFontsetKey</span></a> *key</code></em>);
<a class="link" href="pango-Scripts-and-Languages.html#PangoLanguage"><span class="returnvalue">PangoLanguage</span></a> * <a class="link" href="PangoFcFontMap.html#pango-fc-fontset-key-get-language" title="pango_fc_fontset_key_get_language ()">pango_fc_fontset_key_get_language</a> (<em class="parameter"><code>const <a class="link" href="PangoFcFontMap.html#PangoFcFontsetKey" title="PangoFcFontsetKey"><span class="type">PangoFcFontsetKey</span></a> *key</code></em>);
const <a class="link" href="pango-Glyph-Storage.html#PangoMatrix"><span class="returnvalue">PangoMatrix</span></a> * <a class="link" href="PangoFcFontMap.html#pango-fc-fontset-key-get-matrix" title="pango_fc_fontset_key_get_matrix ()">pango_fc_fontset_key_get_matrix</a> (<em class="parameter"><code>const <a class="link" href="PangoFcFontMap.html#PangoFcFontsetKey" title="PangoFcFontsetKey"><span class="type">PangoFcFontsetKey</span></a> *key</code></em>);
<span class="returnvalue">double</span> <a class="link" href="PangoFcFontMap.html#pango-fc-fontset-key-get-absolute-size" title="pango_fc_fontset_key_get_absolute_size ()">pango_fc_fontset_key_get_absolute_size</a>
(<em class="parameter"><code>const <a class="link" href="PangoFcFontMap.html#PangoFcFontsetKey" title="PangoFcFontsetKey"><span class="type">PangoFcFontsetKey</span></a> *key</code></em>);
<span class="returnvalue">double</span> <a class="link" href="PangoFcFontMap.html#pango-fc-fontset-key-get-resolution" title="pango_fc_fontset_key_get_resolution ()">pango_fc_fontset_key_get_resolution</a> (<em class="parameter"><code>const <a class="link" href="PangoFcFontMap.html#PangoFcFontsetKey" title="PangoFcFontsetKey"><span class="type">PangoFcFontsetKey</span></a> *key</code></em>);
<a class="link" href="PangoFcFontMap.html#PangoFcFontKey" title="PangoFcFontKey">PangoFcFontKey</a>;
<span class="returnvalue">gpointer</span> <a class="link" href="PangoFcFontMap.html#pango-fc-font-key-get-context-key" title="pango_fc_font_key_get_context_key ()">pango_fc_font_key_get_context_key</a> (<em class="parameter"><code>const <a class="link" href="PangoFcFontMap.html#PangoFcFontKey" title="PangoFcFontKey"><span class="type">PangoFcFontKey</span></a> *key</code></em>);
const <a class="link" href="pango-Glyph-Storage.html#PangoMatrix"><span class="returnvalue">PangoMatrix</span></a> * <a class="link" href="PangoFcFontMap.html#pango-fc-font-key-get-matrix" title="pango_fc_font_key_get_matrix ()">pango_fc_font_key_get_matrix</a> (<em class="parameter"><code>const <a class="link" href="PangoFcFontMap.html#PangoFcFontKey" title="PangoFcFontKey"><span class="type">PangoFcFontKey</span></a> *key</code></em>);
const <span class="returnvalue">FcPattern</span> * <a class="link" href="PangoFcFontMap.html#pango-fc-font-key-get-pattern" title="pango_fc_font_key_get_pattern ()">pango_fc_font_key_get_pattern</a> (<em class="parameter"><code>const <a class="link" href="PangoFcFontMap.html#PangoFcFontKey" title="PangoFcFontKey"><span class="type">PangoFcFontKey</span></a> *key</code></em>);
</pre>
</div>
<div class="refsect1">
<a name="PangoFcFontMap.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="synopsis">
GObject
+----<a class="link" href="pango-Fonts.html#PangoFontMap">PangoFontMap</a>
+----PangoFcFontMap
+----<a class="link" href="pango-FreeType-Fonts-and-Rendering.html#PangoFT2FontMap">PangoFT2FontMap</a>
+----<a class="link" href="pango-Xft-Fonts-and-Rendering.html#PangoXftFontMap">PangoXftFontMap</a>
</pre>
</div>
<div class="refsect1">
<a name="PangoFcFontMap.description"></a><h2>Description</h2>
<p>
PangoFcFontMap is a base class for font map implementations using the
Fontconfig and FreeType libraries. It is used in the
<a class="link" href="pango-Xft-Fonts-and-Rendering.html" title="Xft Fonts and Rendering">Xft</a> and
<a class="link" href="pango-FreeType-Fonts-and-Rendering.html" title="FreeType Fonts and Rendering">FreeType</a>
backends shipped with Pango, but can also be used when creating
new backends. Any backend deriving from this base class will
take advantage of the wide range of shapers implemented using
FreeType that come with Pango.
</p>
</div>
<div class="refsect1">
<a name="PangoFcFontMap.details"></a><h2>Details</h2>
<div class="refsect2">
<a name="PangoFcFontMap-struct"></a><h3>struct PangoFcFontMap</h3>
<pre class="programlisting">struct PangoFcFontMap;</pre>
<p>
<a class="link" href="PangoFcFontMap.html" title="PangoFcFontMap"><span class="type">PangoFcFontMap</span></a> is a base class for font map implementations
using the Fontconfig and FreeType libraries. To create a new
backend using Fontconfig and FreeType, you derive from this class
and implement a <code class="function">new_font()</code> virtual function that creates an
instance deriving from <a class="link" href="PangoFcFont.html" title="PangoFcFont"><span class="type">PangoFcFont</span></a>.
</p>
</div>
<hr>
<div class="refsect2">
<a name="PangoFcFontMapClass"></a><h3>struct PangoFcFontMapClass</h3>
<pre class="programlisting">struct PangoFcFontMapClass {
/* Deprecated in favor of fontset_key_substitute */
void (*default_substitute) (PangoFcFontMap *fontmap,
FcPattern *pattern);
/* Deprecated in favor of create_font */
PangoFcFont *(*new_font) (PangoFcFontMap *fontmap,
FcPattern *pattern);
double (*get_resolution) (PangoFcFontMap *fcfontmap,
PangoContext *context);
gconstpointer (*context_key_get) (PangoFcFontMap *fcfontmap,
PangoContext *context);
gpointer (*context_key_copy) (PangoFcFontMap *fcfontmap,
gconstpointer key);
void (*context_key_free) (PangoFcFontMap *fcfontmap,
gpointer key);
guint32 (*context_key_hash) (PangoFcFontMap *fcfontmap,
gconstpointer key);
gboolean (*context_key_equal) (PangoFcFontMap *fcfontmap,
gconstpointer key_a,
gconstpointer key_b);
void (*fontset_key_substitute)(PangoFcFontMap *fontmap,
PangoFcFontsetKey *fontsetkey,
FcPattern *pattern);
PangoFcFont *(*create_font) (PangoFcFontMap *fontmap,
PangoFcFontKey *fontkey);
};
</pre>
<p>
Class structure for <a class="link" href="PangoFcFontMap.html" title="PangoFcFontMap"><span class="type">PangoFcFontMap</span></a>.
</p>
<div class="variablelist"><table border="0">
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<tbody>
<tr>
<td><p><span class="term"><em class="structfield"><code><a name="PangoFcFontMapClass.default-substitute"></a>default_substitute</code></em> ()</span></p></td>
<td>Substitutes in default values for
unspecified fields in a <span class="type">FcPattern</span>. This will be called
prior to creating a font for the pattern. May be <a href="/home/mclasen/gnome/share/gtk-doc/html/liboil/liboil-liboiljunk.html#NULL--CAPS"><code class="literal">NULL</code></a>.
Deprecated in favor of <em class="parameter"><code><code class="function">font_key_substitute()</code></code></em>.</td>
</tr>
<tr>
<td><p><span class="term"><em class="structfield"><code><a name="PangoFcFontMapClass.new-font"></a>new_font</code></em> ()</span></p></td>
<td>Creates a new <a class="link" href="PangoFcFont.html" title="PangoFcFont"><span class="type">PangoFcFont</span></a> for the specified
pattern of the appropriate type for this font map. The
<em class="parameter"><code>pattern</code></em> argument must be passed to the "pattern" property
of <a class="link" href="PangoFcFont.html" title="PangoFcFont"><span class="type">PangoFcFont</span></a> when you call <code class="function">g_object_new()</code>. Deprecated
in favor of <em class="parameter"><code><code class="function">create_font()</code></code></em>.</td>
</tr>
<tr>
<td><p><span class="term"><em class="structfield"><code><a name="PangoFcFontMapClass.get-resolution"></a>get_resolution</code></em> ()</span></p></td>
<td>Gets the resolution (the scale factor
between logical and absolute font sizes) that the backend
will use for a particular fontmap and context. <em class="parameter"><code>context</code></em>
may be null.</td>
</tr>
<tr>
<td><p><span class="term"><em class="structfield"><code><a name="PangoFcFontMapClass.context-key-get"></a>context_key_get</code></em> ()</span></p></td>
<td>Gets an opaque key holding backend
specific options for the context that will affect
fonts created by <code class="function">create_font()</code>. The result must point to
persistant storage owned by the fontmap. This key
is used to index hash tables used to look up fontsets
and fonts.</td>
</tr>
<tr>
<td><p><span class="term"><em class="structfield"><code><a name="PangoFcFontMapClass.context-key-copy"></a>context_key_copy</code></em> ()</span></p></td>
<td>Copies a context key. Pango uses this
to make a persistant copy of the value returned from
<em class="parameter"><code>context_key_get</code></em>.</td>
</tr>
<tr>
<td><p><span class="term"><em class="structfield"><code><a name="PangoFcFontMapClass.context-key-free"></a>context_key_free</code></em> ()</span></p></td>
<td>Frees a context key copied with
<em class="parameter"><code>context_key_copy</code></em>.</td>
</tr>
<tr>
<td><p><span class="term"><em class="structfield"><code><a name="PangoFcFontMapClass.context-key-hash"></a>context_key_hash</code></em> ()</span></p></td>
<td>Gets a hash value for a context key</td>
</tr>
<tr>
<td><p><span class="term"><em class="structfield"><code><a name="PangoFcFontMapClass.context-key-equal"></a>context_key_equal</code></em> ()</span></p></td>
<td>Compares two context keys for equality.</td>
</tr>
<tr>
<td><p><span class="term"><em class="structfield"><code><a name="PangoFcFontMapClass.fontset-key-substitute"></a>fontset_key_substitute</code></em> ()</span></p></td>
<td>Substitutes in default values for
unspecified fields in a <span class="type">FcPattern</span>. This will be called
prior to creating a font for the pattern. May be <a href="/home/mclasen/gnome/share/gtk-doc/html/liboil/liboil-liboiljunk.html#NULL--CAPS"><code class="literal">NULL</code></a>.
(Since: 1.24)</td>
</tr>
<tr>
<td><p><span class="term"><em class="structfield"><code><a name="PangoFcFontMapClass.create-font"></a>create_font</code></em> ()</span></p></td>
<td>Creates a new <a class="link" href="PangoFcFont.html" title="PangoFcFont"><span class="type">PangoFcFont</span></a> for the specified
pattern of the appropriate type for this font map using
information from the font key that is passed in. The
<em class="parameter"><code>pattern</code></em> member of <em class="parameter"><code>font_key</code></em> can be retrieved using
<a class="link" href="PangoFcFontMap.html#pango-fc-font-key-get-pattern" title="pango_fc_font_key_get_pattern ()"><code class="function">pango_fc_font_key_get_pattern()</code></a> and must be passed to
the "pattern" property of <a class="link" href="PangoFcFont.html" title="PangoFcFont"><span class="type">PangoFcFont</span></a> when you call
<code class="function">g_object_new()</code>. If <a href="/home/mclasen/gnome/share/gtk-doc/html/liboil/liboil-liboiljunk.html#NULL--CAPS"><code class="literal">NULL</code></a>, <code class="function">new_font()</code> is used.
(Since: 1.24)</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="pango-fc-font-map-create-context"></a><h3>pango_fc_font_map_create_context ()</h3>
<pre class="programlisting"><a class="link" href="pango-Text-Processing.html#PangoContext"><span class="returnvalue">PangoContext</span></a> * pango_fc_font_map_create_context (<em class="parameter"><code><a class="link" href="PangoFcFontMap.html" title="PangoFcFontMap"><span class="type">PangoFcFontMap</span></a> *fcfontmap</code></em>);</pre>
<div class="warning" style="margin-left: 0.5in; margin-right: 0.5in;">
<h3 class="title">Warning</h3>
<p><code class="literal">pango_fc_font_map_create_context</code> has been deprecated since version 1.22 and should not be used in newly-written code. Use <a class="link" href="pango-Fonts.html#pango-font-map-create-context" title="pango_font_map_create_context ()"><code class="function">pango_font_map_create_context()</code></a> instead.</p>
</div>
<p>
Creates a new context for this fontmap. This function is intended
only for backend implementations deriving from <a class="link" href="PangoFcFontMap.html" title="PangoFcFontMap"><span class="type">PangoFcFontMap</span></a>;
it is possible that a backend will store additional information
needed for correct operation on the <a class="link" href="pango-Text-Processing.html#PangoContext"><span class="type">PangoContext</span></a> after calling
this function.
</p>
<div class="variablelist"><table border="0">
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<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>fcfontmap</code></em> :</span></p></td>
<td>a <a class="link" href="PangoFcFontMap.html" title="PangoFcFontMap"><span class="type">PangoFcFontMap</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a new <a class="link" href="pango-Text-Processing.html#PangoContext"><span class="type">PangoContext</span></a>
</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 1.4</p>
</div>
<hr>
<div class="refsect2">
<a name="PangoFcDecoderFindFunc"></a><h3>PangoFcDecoderFindFunc ()</h3>
<pre class="programlisting"><a class="link" href="PangoFcDecoder.html" title="PangoFcDecoder"><span class="returnvalue">PangoFcDecoder</span></a> * (*PangoFcDecoderFindFunc) (<em class="parameter"><code><span class="type">FcPattern</span> *pattern</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> user_data</code></em>);</pre>
<p>
Callback function passed to <a class="link" href="PangoFcFontMap.html#pango-fc-font-map-add-decoder-find-func" title="pango_fc_font_map_add_decoder_find_func ()"><code class="function">pango_fc_font_map_add_decoder_find_func()</code></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>pattern</code></em> :</span></p></td>
<td>a fully resolved <span class="type">FcPattern</span> specifying the font on the system</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
<td>user data passed to <a class="link" href="PangoFcFontMap.html#pango-fc-font-map-add-decoder-find-func" title="pango_fc_font_map_add_decoder_find_func ()"><code class="function">pango_fc_font_map_add_decoder_find_func()</code></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a new reference to a custom decoder for this pattern,
or <a href="/home/mclasen/gnome/share/gtk-doc/html/liboil/liboil-liboiljunk.html#NULL--CAPS"><code class="literal">NULL</code></a> if the default decoder handling should be used.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="pango-fc-font-map-add-decoder-find-func"></a><h3>pango_fc_font_map_add_decoder_find_func ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> pango_fc_font_map_add_decoder_find_func
(<em class="parameter"><code><a class="link" href="PangoFcFontMap.html" title="PangoFcFontMap"><span class="type">PangoFcFontMap</span></a> *fcfontmap</code></em>,
<em class="parameter"><code><a class="link" href="PangoFcFontMap.html#PangoFcDecoderFindFunc" title="PangoFcDecoderFindFunc ()"><span class="type">PangoFcDecoderFindFunc</span></a> findfunc</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> user_data</code></em>,
<em class="parameter"><code><span class="type">GDestroyNotify</span> dnotify</code></em>);</pre>
<p>
This function saves a callback method in the <a class="link" href="PangoFcFontMap.html" title="PangoFcFontMap"><span class="type">PangoFcFontMap</span></a> that
will be called whenever new fonts are created. If the
function returns a <a class="link" href="PangoFcDecoder.html" title="PangoFcDecoder"><span class="type">PangoFcDecoder</span></a>, that decoder will be used to
determine both coverage via a <span class="type">FcCharSet</span> and a one-to-one mapping of
characters to glyphs. This will allow applications to have
application-specific encodings for various fonts.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>fcfontmap</code></em> :</span></p></td>
<td>The <a class="link" href="PangoFcFontMap.html" title="PangoFcFontMap"><span class="type">PangoFcFontMap</span></a> to add this method to.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>findfunc</code></em> :</span></p></td>
<td>The <a class="link" href="PangoFcFontMap.html#PangoFcDecoderFindFunc" title="PangoFcDecoderFindFunc ()"><span class="type">PangoFcDecoderFindFunc</span></a> callback function</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
<td>User data.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>dnotify</code></em> :</span></p></td>
<td>A <span class="type">GDestroyNotify</span> callback that will be called when the
fontmap is finalized and the decoder is released.</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 1.6</p>
</div>
<hr>
<div class="refsect2">
<a name="pango-fc-font-map-find-decoder"></a><h3>pango_fc_font_map_find_decoder ()</h3>
<pre class="programlisting"><a class="link" href="PangoFcDecoder.html" title="PangoFcDecoder"><span class="returnvalue">PangoFcDecoder</span></a> * pango_fc_font_map_find_decoder (<em class="parameter"><code><a class="link" href="PangoFcFontMap.html" title="PangoFcFontMap"><span class="type">PangoFcFontMap</span></a> *fcfontmap</code></em>,
<em class="parameter"><code><span class="type">FcPattern</span> *pattern</code></em>);</pre>
<p>
Finds the decoder to use for <em class="parameter"><code>pattern</code></em>. Decoders can be added to
a font map using <a class="link" href="PangoFcFontMap.html#pango-fc-font-map-add-decoder-find-func" title="pango_fc_font_map_add_decoder_find_func ()"><code class="function">pango_fc_font_map_add_decoder_find_func()</code></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>fcfontmap</code></em> :</span></p></td>
<td>The <a class="link" href="PangoFcFontMap.html" title="PangoFcFontMap"><span class="type">PangoFcFontMap</span></a> to use.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>pattern</code></em> :</span></p></td>
<td>The <span class="type">FcPattern</span> to find the decoder for.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a newly created <a class="link" href="PangoFcDecoder.html" title="PangoFcDecoder"><span class="type">PangoFcDecoder</span></a> object or <a href="/home/mclasen/gnome/share/gtk-doc/html/liboil/liboil-liboiljunk.html#NULL--CAPS"><code class="literal">NULL</code></a> if
no decoder is set for <em class="parameter"><code>pattern</code></em>.</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 1.26</p>
</div>
<hr>
<div class="refsect2">
<a name="pango-fc-font-map-cache-clear"></a><h3>pango_fc_font_map_cache_clear ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> pango_fc_font_map_cache_clear (<em class="parameter"><code><a class="link" href="PangoFcFontMap.html" title="PangoFcFontMap"><span class="type">PangoFcFontMap</span></a> *fcfontmap</code></em>);</pre>
<p>
Clear all cached information and fontsets for this font map;
this should be called whenever there is a change in the
output of the <code class="function">default_substitute()</code> virtual function of the
font map, or if fontconfig has been reinitialized to new
configuration.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>fcfontmap</code></em> :</span></p></td>
<td>a <a class="link" href="PangoFcFontMap.html" title="PangoFcFontMap"><span class="type">PangoFcFontMap</span></a>
</td>
</tr></tbody>
</table></div>
<p class="since">Since 1.4</p>
</div>
<hr>
<div class="refsect2">
<a name="pango-fc-font-map-shutdown"></a><h3>pango_fc_font_map_shutdown ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> pango_fc_font_map_shutdown (<em class="parameter"><code><a class="link" href="PangoFcFontMap.html" title="PangoFcFontMap"><span class="type">PangoFcFontMap</span></a> *fcfontmap</code></em>);</pre>
<p>
Clears all cached information for the fontmap and marks
all fonts open for the fontmap as dead. (See the <code class="function">shutdown()</code>
virtual function of <a class="link" href="PangoFcFont.html" title="PangoFcFont"><span class="type">PangoFcFont</span></a>.) This function might be used
by a backend when the underlying windowing system for the font
map exits. This function is only intended to be called
only for backend implementations deriving from <a class="link" href="PangoFcFontMap.html" title="PangoFcFontMap"><span class="type">PangoFcFontMap</span></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>fcfontmap</code></em> :</span></p></td>
<td>a <a class="link" href="PangoFcFontMap.html" title="PangoFcFontMap"><span class="type">PangoFcFontMap</span></a>
</td>
</tr></tbody>
</table></div>
<p class="since">Since 1.4</p>
</div>
<hr>
<div class="refsect2">
<a name="pango-fc-font-description-from-pattern"></a><h3>pango_fc_font_description_from_pattern ()</h3>
<pre class="programlisting"><a class="link" href="pango-Fonts.html#PangoFontDescription"><span class="returnvalue">PangoFontDescription</span></a> * pango_fc_font_description_from_pattern
(<em class="parameter"><code><span class="type">FcPattern</span> *pattern</code></em>,
<em class="parameter"><code><span class="type">gboolean</span> include_size</code></em>);</pre>
<p>
Creates a <a class="link" href="pango-Fonts.html#PangoFontDescription"><span class="type">PangoFontDescription</span></a> that matches the specified
Fontconfig pattern as closely as possible. Many possible Fontconfig
pattern values, such as <code class="literal">FC_RASTERIZER</code> or <code class="literal">FC_DPI</code>, don't make sense in
the context of <a class="link" href="pango-Fonts.html#PangoFontDescription"><span class="type">PangoFontDescription</span></a>, so will be ignored.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>pattern</code></em> :</span></p></td>
<td>a <span class="type">FcPattern</span>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>include_size</code></em> :</span></p></td>
<td>if <code class="literal">TRUE</code>, the pattern will include the size from
the <em class="parameter"><code>pattern</code></em>; otherwise the resulting pattern will be unsized.
(only <code class="literal">FC_SIZE</code> is examined, not <code class="literal">FC_PIXEL_SIZE</code>)</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a new <a class="link" href="pango-Fonts.html#PangoFontDescription"><span class="type">PangoFontDescription</span></a>. Free with
<a class="link" href="pango-Fonts.html#pango-font-description-free" title="pango_font_description_free ()"><code class="function">pango_font_description_free()</code></a>.</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 1.4</p>
</div>
<hr>
<div class="refsect2">
<a name="PANGO-FC-GRAVITY:CAPS"></a><h3>PANGO_FC_GRAVITY</h3>
<pre class="programlisting">#define PANGO_FC_GRAVITY "pangogravity"
</pre>
<p>
String representing a fontconfig property name that Pango sets on any
fontconfig pattern it passes to fontconfig if a <a class="link" href="pango-Vertical-Text.html#PangoGravity"><span class="type">PangoGravity</span></a> other
than <code class="literal">PangoGravitySouth</code> is desired.
</p>
<p>
The property will have a <a class="link" href="pango-Vertical-Text.html#PangoGravity"><span class="type">PangoGravity</span></a> value as a string, like "east".
This can be used to write fontconfig configuration rules to choose
different fonts for horizontal and vertical writing directions.
</p>
<p class="since">Since 1.20</p>
</div>
<hr>
<div class="refsect2">
<a name="PANGO-FC-VERSION:CAPS"></a><h3>PANGO_FC_VERSION</h3>
<pre class="programlisting">#define PANGO_FC_VERSION "pangoversion"
</pre>
<p>
String representing a fontconfig property name that Pango sets on any
fontconfig pattern it passes to fontconfig.
</p>
<p>
The property will have an integer value equal to what
<a class="link" href="pango-Version-Checking.html#pango-version" title="pango_version ()"><code class="function">pango_version()</code></a> returns.
This can be used to write fontconfig configuration rules that only affect
certain pango versions (or only pango-using applications, or only
non-pango-using applications).
</p>
<p class="since">Since 1.20</p>
</div>
<hr>
<div class="refsect2">
<a name="PANGO-FC-PRGNAME:CAPS"></a><h3>PANGO_FC_PRGNAME</h3>
<pre class="programlisting">#define PANGO_FC_PRGNAME "pangoprgname"
</pre>
<p>
String representing a fontconfig property name that Pango sets on any
fontconfig pattern it passes to fontconfig.
</p>
<p>
The property will have a string equal to what
<code class="function">g_get_prgname()</code> returns.
This can be used to write fontconfig configuration rules that only affect
certain applications.
</p>
<p class="since">Since 1.24</p>
</div>
<hr>
<div class="refsect2">
<a name="PangoFcFontsetKey"></a><h3>PangoFcFontsetKey</h3>
<pre class="programlisting">typedef struct _PangoFcFontsetKey PangoFcFontsetKey;</pre>
<p>
An opaque structure containing all the information needed for
loading a fontset with the PangoFc fontmap.
</p>
<p class="since">Since 1.24</p>
</div>
<hr>
<div class="refsect2">
<a name="pango-fc-fontset-key-get-context-key"></a><h3>pango_fc_fontset_key_get_context_key ()</h3>
<pre class="programlisting"><span class="returnvalue">gpointer</span> pango_fc_fontset_key_get_context_key
(<em class="parameter"><code>const <a class="link" href="PangoFcFontMap.html#PangoFcFontsetKey" title="PangoFcFontsetKey"><span class="type">PangoFcFontsetKey</span></a> *key</code></em>);</pre>
<p>
Gets the context key member of <em class="parameter"><code>key</code></em>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>key</code></em> :</span></p></td>
<td>the font key</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the context key, which is owned by <em class="parameter"><code>key</code></em> and should not be modified.</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 1.24</p>
</div>
<hr>
<div class="refsect2">
<a name="pango-fc-fontset-key-get-description"></a><h3>pango_fc_fontset_key_get_description ()</h3>
<pre class="programlisting">const <a class="link" href="pango-Fonts.html#PangoFontDescription"><span class="returnvalue">PangoFontDescription</span></a> * pango_fc_fontset_key_get_description
(<em class="parameter"><code>const <a class="link" href="PangoFcFontMap.html#PangoFcFontsetKey" title="PangoFcFontsetKey"><span class="type">PangoFcFontsetKey</span></a> *key</code></em>);</pre>
<p>
Gets the font description of <em class="parameter"><code>key</code></em>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>key</code></em> :</span></p></td>
<td>the fontset key</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the font description, which is owned by <em class="parameter"><code>key</code></em> and should not be modified.</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 1.24</p>
</div>
<hr>
<div class="refsect2">
<a name="pango-fc-fontset-key-get-language"></a><h3>pango_fc_fontset_key_get_language ()</h3>
<pre class="programlisting"><a class="link" href="pango-Scripts-and-Languages.html#PangoLanguage"><span class="returnvalue">PangoLanguage</span></a> * pango_fc_fontset_key_get_language (<em class="parameter"><code>const <a class="link" href="PangoFcFontMap.html#PangoFcFontsetKey" title="PangoFcFontsetKey"><span class="type">PangoFcFontsetKey</span></a> *key</code></em>);</pre>
<p>
Gets the language member of <em class="parameter"><code>key</code></em>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>key</code></em> :</span></p></td>
<td>the fontset key</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the language</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 1.24</p>
</div>
<hr>
<div class="refsect2">
<a name="pango-fc-fontset-key-get-matrix"></a><h3>pango_fc_fontset_key_get_matrix ()</h3>
<pre class="programlisting">const <a class="link" href="pango-Glyph-Storage.html#PangoMatrix"><span class="returnvalue">PangoMatrix</span></a> * pango_fc_fontset_key_get_matrix (<em class="parameter"><code>const <a class="link" href="PangoFcFontMap.html#PangoFcFontsetKey" title="PangoFcFontsetKey"><span class="type">PangoFcFontsetKey</span></a> *key</code></em>);</pre>
<p>
Gets the matrix member of <em class="parameter"><code>key</code></em>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>key</code></em> :</span></p></td>
<td>the fontset key</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the matrix, which is owned by <em class="parameter"><code>key</code></em> and should not be modified.</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 1.24</p>
</div>
<hr>
<div class="refsect2">
<a name="pango-fc-fontset-key-get-absolute-size"></a><h3>pango_fc_fontset_key_get_absolute_size ()</h3>
<pre class="programlisting"><span class="returnvalue">double</span> pango_fc_fontset_key_get_absolute_size
(<em class="parameter"><code>const <a class="link" href="PangoFcFontMap.html#PangoFcFontsetKey" title="PangoFcFontsetKey"><span class="type">PangoFcFontsetKey</span></a> *key</code></em>);</pre>
<p>
Gets the absolute font size of <em class="parameter"><code>key</code></em> in Pango units. This is adjusted
for both resolution and transformation matrix.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>key</code></em> :</span></p></td>
<td>the fontset key</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the pixel size of <em class="parameter"><code>key</code></em>.</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 1.24</p>
</div>
<hr>
<div class="refsect2">
<a name="pango-fc-fontset-key-get-resolution"></a><h3>pango_fc_fontset_key_get_resolution ()</h3>
<pre class="programlisting"><span class="returnvalue">double</span> pango_fc_fontset_key_get_resolution (<em class="parameter"><code>const <a class="link" href="PangoFcFontMap.html#PangoFcFontsetKey" title="PangoFcFontsetKey"><span class="type">PangoFcFontsetKey</span></a> *key</code></em>);</pre>
<p>
Gets the resolution of <em class="parameter"><code>key</code></em>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>key</code></em> :</span></p></td>
<td>the fontset key</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the resolution of <em class="parameter"><code>key</code></em>
</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 1.24</p>
</div>
<hr>
<div class="refsect2">
<a name="PangoFcFontKey"></a><h3>PangoFcFontKey</h3>
<pre class="programlisting">typedef struct _PangoFcFontKey PangoFcFontKey;</pre>
<p>
An opaque structure containing all the information needed for
loading a font with the PangoFc fontmap.
</p>
<p class="since">Since 1.24</p>
</div>
<hr>
<div class="refsect2">
<a name="pango-fc-font-key-get-context-key"></a><h3>pango_fc_font_key_get_context_key ()</h3>
<pre class="programlisting"><span class="returnvalue">gpointer</span> pango_fc_font_key_get_context_key (<em class="parameter"><code>const <a class="link" href="PangoFcFontMap.html#PangoFcFontKey" title="PangoFcFontKey"><span class="type">PangoFcFontKey</span></a> *key</code></em>);</pre>
<p>
Gets the context key member of <em class="parameter"><code>key</code></em>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>key</code></em> :</span></p></td>
<td>the font key</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the context key, which is owned by <em class="parameter"><code>key</code></em> and should not be modified.</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 1.24</p>
</div>
<hr>
<div class="refsect2">
<a name="pango-fc-font-key-get-matrix"></a><h3>pango_fc_font_key_get_matrix ()</h3>
<pre class="programlisting">const <a class="link" href="pango-Glyph-Storage.html#PangoMatrix"><span class="returnvalue">PangoMatrix</span></a> * pango_fc_font_key_get_matrix (<em class="parameter"><code>const <a class="link" href="PangoFcFontMap.html#PangoFcFontKey" title="PangoFcFontKey"><span class="type">PangoFcFontKey</span></a> *key</code></em>);</pre>
<p>
Gets the matrix member of <em class="parameter"><code>key</code></em>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>key</code></em> :</span></p></td>
<td>the font key</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the matrix, which is owned by <em class="parameter"><code>key</code></em> and should not be modified.</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 1.24</p>
</div>
<hr>
<div class="refsect2">
<a name="pango-fc-font-key-get-pattern"></a><h3>pango_fc_font_key_get_pattern ()</h3>
<pre class="programlisting">const <span class="returnvalue">FcPattern</span> * pango_fc_font_key_get_pattern (<em class="parameter"><code>const <a class="link" href="PangoFcFontMap.html#PangoFcFontKey" title="PangoFcFontKey"><span class="type">PangoFcFontKey</span></a> *key</code></em>);</pre>
<p>
Gets the fontconfig pattern member of <em class="parameter"><code>key</code></em>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>key</code></em> :</span></p></td>
<td>the font key</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the pattern, which is owned by <em class="parameter"><code>key</code></em> and should not be modified.</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 1.24</p>
</div>
</div>
<div class="refsect1">
<a name="PangoFcFontMap.see-also"></a><h2>See Also</h2>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><a class="link" href="PangoFcFont.html" title="PangoFcFont"><span class="type">PangoFcFont</span></a></span></p></td>
<td><p>The base class for fonts; creating a new
Fontconfig-based backend involves deriving from both
<a class="link" href="PangoFcFontMap.html" title="PangoFcFontMap"><span class="type">PangoFcFontMap</span></a> and <a class="link" href="PangoFcFont.html" title="PangoFcFont"><span class="type">PangoFcFont</span></a>.
</p></td>
</tr></tbody>
</table></div>
<p>
</p>
</div>
</div>
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