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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>IpatchSF2Zone</title>
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<link rel="chapter" href="ch04.html" title="DLS patches">
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<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
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<tr><td colspan="5" class="shortcuts">
<a href="#IpatchSF2Zone.synopsis" class="shortcut">Top</a>
                 | 
                <a href="#IpatchSF2Zone.description" class="shortcut">Description</a>
                 | 
                <a href="#IpatchSF2Zone.object-hierarchy" class="shortcut">Object Hierarchy</a>
                 | 
                <a href="#IpatchSF2Zone.implemented-interfaces" class="shortcut">Implemented Interfaces</a>
</td></tr>
</table>
<div class="refentry" title="IpatchSF2Zone">
<a name="IpatchSF2Zone"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="IpatchSF2Zone.top_of_page"></a>IpatchSF2Zone</span></h2>
<p>IpatchSF2Zone — Abstract base class for SoundFont zones</p>
</td>
<td valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1" title="Stability Level">
<a name="IpatchSF2Zone.stability-level"></a><h2>Stability Level</h2>
Stable, unless otherwise indicated
</div>
<div class="refsynopsisdiv" title="Synopsis">
<a name="IpatchSF2Zone.synopsis"></a><h2>Synopsis</h2>
<pre class="synopsis">
                    <a
href="../libinstpatch/IpatchSF2Zone.html#IpatchSF2Zone-struct"
>IpatchSF2Zone</a>;
#define             <a
href="../libinstpatch/IpatchSF2Zone.html#IPATCH-SF2-ZONE-UNUSED-FLAG-SHIFT--CAPS"
>IPATCH_SF2_ZONE_UNUSED_FLAG_SHIFT</a>
#define             <a
href="../libinstpatch/IpatchSF2Zone.html#IPATCH-SF2-ZONE-GEN-AMT--CAPS"
>IPATCH_SF2_ZONE_GEN_AMT</a>             (zone, genid)
#define             <a
href="../libinstpatch/IpatchSF2Zone.html#IPATCH-SF2-ZONE-GEN-TEST-FLAG--CAPS"
>IPATCH_SF2_ZONE_GEN_TEST_FLAG</a>       (zone, genid)
#define             <a
href="../libinstpatch/IpatchSF2Zone.html#IPATCH-SF2-ZONE-GEN-SET-FLAG--CAPS"
>IPATCH_SF2_ZONE_GEN_SET_FLAG</a>        (zone, genid)
#define             <a
href="../libinstpatch/IpatchSF2Zone.html#IPATCH-SF2-ZONE-GEN-CLEAR-FLAG--CAPS"
>IPATCH_SF2_ZONE_GEN_CLEAR_FLAG</a>      (zone, genid)
<a
href="../libinstpatch/IpatchSF2Zone.html"
>IpatchSF2Zone</a> *     <a
href="../libinstpatch/IpatchSF2Zone.html#ipatch-sf2-zone-first"
>ipatch_sf2_zone_first</a>               (<a
href="../libinstpatch/libinstpatch-IpatchIter.html#IpatchIter"
>IpatchIter</a> *iter);
<a
href="../libinstpatch/IpatchSF2Zone.html"
>IpatchSF2Zone</a> *     <a
href="../libinstpatch/IpatchSF2Zone.html#ipatch-sf2-zone-next"
>ipatch_sf2_zone_next</a>                (<a
href="../libinstpatch/libinstpatch-IpatchIter.html#IpatchIter"
>IpatchIter</a> *iter);
void                <a
href="../libinstpatch/IpatchSF2Zone.html#ipatch-sf2-zone-set-link-item"
>ipatch_sf2_zone_set_link_item</a>       (<a
href="../libinstpatch/IpatchSF2Zone.html"
>IpatchSF2Zone</a> *zone,
                                                         <a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *item);
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"
>gboolean</a>            <a
href="../libinstpatch/IpatchSF2Zone.html#ipatch-sf2-zone-set-link-item-no-notify"
>ipatch_sf2_zone_set_link_item_no_notify</a>
                                                        (<a
href="../libinstpatch/IpatchSF2Zone.html"
>IpatchSF2Zone</a> *zone,
                                                         <a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *item,
                                                         <a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> **olditem);
<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *        <a
href="../libinstpatch/IpatchSF2Zone.html#ipatch-sf2-zone-get-link-item"
>ipatch_sf2_zone_get_link_item</a>       (<a
href="../libinstpatch/IpatchSF2Zone.html"
>IpatchSF2Zone</a> *zone);
<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *        <a
href="../libinstpatch/IpatchSF2Zone.html#ipatch-sf2-zone-peek-link-item"
>ipatch_sf2_zone_peek_link_item</a>      (<a
href="../libinstpatch/IpatchSF2Zone.html"
>IpatchSF2Zone</a> *zone);
</pre>
</div>
<div class="refsect1" title="Object Hierarchy">
<a name="IpatchSF2Zone.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="synopsis">
  <a
href="http://library.gnome.org/devel/gobject/unstable/gobject-The-Base-Object-Type.html#GObject"
>GObject</a>
   +----<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a>
         +----IpatchSF2Zone
               +----<a
href="../libinstpatch/IpatchSF2IZone.html"
>IpatchSF2IZone</a>
               +----<a
href="../libinstpatch/IpatchSF2PZone.html"
>IpatchSF2PZone</a>
</pre>
</div>
<div class="refsect1" title="Implemented Interfaces">
<a name="IpatchSF2Zone.implemented-interfaces"></a><h2>Implemented Interfaces</h2>
<p>
IpatchSF2Zone implements
 <a
href="../libinstpatch/libinstpatch-IpatchSF2ModItem.html#IpatchSF2ModItemIface"
>IpatchSF2ModItemIface</a>.</p>
</div>
<div class="refsect1" title="Description">
<a name="IpatchSF2Zone.description"></a><h2>Description</h2>
<p>
Zones are children of <a
href="../libinstpatch/IpatchSF2Preset.html"
><span class="type">IpatchSF2Preset</span></a> and <a
href="../libinstpatch/IpatchSF2Inst.html"
><span class="type">IpatchSF2Inst</span></a> and define
synthesis parameters and a linked item (<a
href="../libinstpatch/IpatchSF2Inst.html"
><span class="type">IpatchSF2Inst</span></a> in the case of
<a
href="../libinstpatch/IpatchSF2PZone.html"
><span class="type">IpatchSF2PZone</span></a> and <a
href="../libinstpatch/IpatchSF2Sample.html"
><span class="type">IpatchSF2Sample</span></a> in the case of <a
href="../libinstpatch/IpatchSF2IZone.html"
><span class="type">IpatchSF2IZone</span></a>).</p>
</div>
<div class="refsect1" title="Details">
<a name="IpatchSF2Zone.details"></a><h2>Details</h2>
<div class="refsect2" title="IpatchSF2Zone">
<a name="IpatchSF2Zone-struct"></a><h3>IpatchSF2Zone</h3>
<pre class="programlisting">typedef struct _IpatchSF2Zone IpatchSF2Zone;</pre>
</div>
<hr>
<div class="refsect2" title="IPATCH_SF2_ZONE_UNUSED_FLAG_SHIFT">
<a name="IPATCH-SF2-ZONE-UNUSED-FLAG-SHIFT--CAPS"></a><h3>IPATCH_SF2_ZONE_UNUSED_FLAG_SHIFT</h3>
<pre class="programlisting">#define IPATCH_SF2_ZONE_UNUSED_FLAG_SHIFT  (IPATCH_ITEM_UNUSED_FLAG_SHIFT + 2)
</pre>
</div>
<hr>
<div class="refsect2" title="IPATCH_SF2_ZONE_GEN_AMT()">
<a name="IPATCH-SF2-ZONE-GEN-AMT--CAPS"></a><h3>IPATCH_SF2_ZONE_GEN_AMT()</h3>
<pre class="programlisting">#define             IPATCH_SF2_ZONE_GEN_AMT(zone, genid)</pre>
</div>
<hr>
<div class="refsect2" title="IPATCH_SF2_ZONE_GEN_TEST_FLAG()">
<a name="IPATCH-SF2-ZONE-GEN-TEST-FLAG--CAPS"></a><h3>IPATCH_SF2_ZONE_GEN_TEST_FLAG()</h3>
<pre class="programlisting">#define             IPATCH_SF2_ZONE_GEN_TEST_FLAG(zone, genid)</pre>
</div>
<hr>
<div class="refsect2" title="IPATCH_SF2_ZONE_GEN_SET_FLAG()">
<a name="IPATCH-SF2-ZONE-GEN-SET-FLAG--CAPS"></a><h3>IPATCH_SF2_ZONE_GEN_SET_FLAG()</h3>
<pre class="programlisting">#define             IPATCH_SF2_ZONE_GEN_SET_FLAG(zone, genid)</pre>
</div>
<hr>
<div class="refsect2" title="IPATCH_SF2_ZONE_GEN_CLEAR_FLAG()">
<a name="IPATCH-SF2-ZONE-GEN-CLEAR-FLAG--CAPS"></a><h3>IPATCH_SF2_ZONE_GEN_CLEAR_FLAG()</h3>
<pre class="programlisting">#define             IPATCH_SF2_ZONE_GEN_CLEAR_FLAG(zone, genid)</pre>
</div>
<hr>
<div class="refsect2" title="ipatch_sf2_zone_first ()">
<a name="ipatch-sf2-zone-first"></a><h3>ipatch_sf2_zone_first ()</h3>
<pre class="programlisting"><a
href="../libinstpatch/IpatchSF2Zone.html"
>IpatchSF2Zone</a> *     ipatch_sf2_zone_first               (<a
href="../libinstpatch/libinstpatch-IpatchIter.html#IpatchIter"
>IpatchIter</a> *iter);</pre>
<p>
Gets the first item in a zone iterator. A convenience
wrapper for <a
href="../libinstpatch/libinstpatch-IpatchIter.html#ipatch-iter-first"
><code class="function">ipatch_iter_first()</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>iter</code></em> :</span></p></td>
<td> Patch item iterator containing <a
href="../libinstpatch/IpatchSF2Zone.html"
><span class="type">IpatchSF2Zone</span></a> items
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> The first zone in <em class="parameter"><code>iter</code></em> or <code class="literal">NULL</code> if empty.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_sf2_zone_next ()">
<a name="ipatch-sf2-zone-next"></a><h3>ipatch_sf2_zone_next ()</h3>
<pre class="programlisting"><a
href="../libinstpatch/IpatchSF2Zone.html"
>IpatchSF2Zone</a> *     ipatch_sf2_zone_next                (<a
href="../libinstpatch/libinstpatch-IpatchIter.html#IpatchIter"
>IpatchIter</a> *iter);</pre>
<p>
Gets the next item in a zone iterator. A convenience wrapper
for <a
href="../libinstpatch/libinstpatch-IpatchIter.html#ipatch-iter-next"
><code class="function">ipatch_iter_next()</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>iter</code></em> :</span></p></td>
<td> Patch item iterator containing <a
href="../libinstpatch/IpatchSF2Zone.html"
><span class="type">IpatchSF2Zone</span></a> items
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> The next zone in <em class="parameter"><code>iter</code></em> or <code class="literal">NULL</code> if at the end of
  the list.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_sf2_zone_set_link_item ()">
<a name="ipatch-sf2-zone-set-link-item"></a><h3>ipatch_sf2_zone_set_link_item ()</h3>
<pre class="programlisting">void                ipatch_sf2_zone_set_link_item       (<a
href="../libinstpatch/IpatchSF2Zone.html"
>IpatchSF2Zone</a> *zone,
                                                         <a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *item);</pre>
<p>
Sets the referenced item of a zone (a <a
href="../libinstpatch/IpatchSF2Inst.html"
><span class="type">IpatchSF2Inst</span></a> for preset zones,
<a
href="../libinstpatch/IpatchSF2Sample.html"
><span class="type">IpatchSF2Sample</span></a> for instrument zones). The type specific item set routines
for each zone type may be preferred, as this one doesn't do strict type
checking.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>zone</code></em> :</span></p></td>
<td> Zone to set zone item of
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>item</code></em> :</span></p></td>
<td> New item for zone to use
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_sf2_zone_set_link_item_no_notify ()">
<a name="ipatch-sf2-zone-set-link-item-no-notify"></a><h3>ipatch_sf2_zone_set_link_item_no_notify ()</h3>
<pre class="programlisting"><a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"
>gboolean</a>            ipatch_sf2_zone_set_link_item_no_notify
                                                        (<a
href="../libinstpatch/IpatchSF2Zone.html"
>IpatchSF2Zone</a> *zone,
                                                         <a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *item,
                                                         <a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> **olditem);</pre>
<p>
Like <a
href="../libinstpatch/IpatchSF2Zone.html#ipatch-sf2-zone-set-link-item"
><code class="function">ipatch_sf2_zone_set_link_item()</code></a> but performs no property or item
change notifications (shouldn't normally be used outside of derived types),
and the old value can be retrieved with the <em class="parameter"><code>olditem</code></em> parameter.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>zone</code></em> :</span></p></td>
<td> Zone to set zone item of
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>item</code></em> :</span></p></td>
<td> New item for zone to use
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>olditem</code></em> :</span></p></td>
<td> Pointer to store old item pointer or <code class="literal">NULL</code> to ignore.  Caller owns
  reference if specified.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> TRUE if property was changed, FALSE otherwise (invalid inputs)
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_sf2_zone_get_link_item ()">
<a name="ipatch-sf2-zone-get-link-item"></a><h3>ipatch_sf2_zone_get_link_item ()</h3>
<pre class="programlisting"><a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *        ipatch_sf2_zone_get_link_item       (<a
href="../libinstpatch/IpatchSF2Zone.html"
>IpatchSF2Zone</a> *zone);</pre>
<p>
Gets the referenced item from a zone (a <a
href="../libinstpatch/IpatchSF2Inst.html"
><span class="type">IpatchSF2Inst</span></a> for preset zones,
<a
href="../libinstpatch/IpatchSF2Sample.html"
><span class="type">IpatchSF2Sample</span></a> for instrument zones). The type specific item set routines
for each zone type may be preferred, as this one doesn't do strict type
checking. The returned item's reference count is incremented and the caller
is responsible for unrefing it with <a
href="http://library.gnome.org/devel/gobject/unstable/gobject-The-Base-Object-Type.html#g-object-unref"
><code class="function">g_object_unref()</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>zone</code></em> :</span></p></td>
<td> Zone to get referenced item of
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> Zone's referenced item or <code class="literal">NULL</code> if global zone. Remember to
unreference the item with <a
href="http://library.gnome.org/devel/gobject/unstable/gobject-The-Base-Object-Type.html#g-object-unref"
><code class="function">g_object_unref()</code></a> when done with it.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_sf2_zone_peek_link_item ()">
<a name="ipatch-sf2-zone-peek-link-item"></a><h3>ipatch_sf2_zone_peek_link_item ()</h3>
<pre class="programlisting"><a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *        ipatch_sf2_zone_peek_link_item      (<a
href="../libinstpatch/IpatchSF2Zone.html"
>IpatchSF2Zone</a> *zone);</pre>
<p>
Like <a
href="../libinstpatch/IpatchSF2Zone.html#ipatch-sf2-zone-get-link-item"
><code class="function">ipatch_sf2_zone_get_link_item()</code></a> but does not add a reference to
the returned item. This function should only be used if a reference
of the returned item is ensured or only the pointer value is of
interest.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>zone</code></em> :</span></p></td>
<td> Zone to get referenced item of
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> Zone's linked item. Remember that the item has NOT been referenced.
</td>
</tr>
</tbody>
</table></div>
</div>
</div>
</div>
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