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<title>Poppler Reference Manual: PopplerAttachment</title>
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<a href="#PopplerAttachment.description" class="shortcut">Description</a></span><span id="nav_hierarchy"> <span class="dim">|</span>
<a href="#PopplerAttachment.object-hierarchy" class="shortcut">Object Hierarchy</a></span>
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<a name="PopplerAttachment"></a><div class="titlepage"></div>
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<h2><span class="refentrytitle"><a name="PopplerAttachment.top_of_page"></a>PopplerAttachment</span></h2>
<p>PopplerAttachment — Attachments</p>
</td>
<td class="gallery_image" valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1">
<a name="PopplerAttachment.functions"></a><h2>Functions</h2>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="functions_return">
<col class="functions_name">
</colgroup>
<tbody>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<span class="c_punctuation">(</span><a class="link" href="PopplerAttachment.html#PopplerAttachmentSaveFunc" title="PopplerAttachmentSaveFunc ()">*PopplerAttachmentSaveFunc</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<a class="link" href="PopplerAttachment.html#poppler-attachment-save" title="poppler_attachment_save ()">poppler_attachment_save</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<a class="link" href="PopplerAttachment.html#poppler-attachment-save-to-callback" title="poppler_attachment_save_to_callback ()">poppler_attachment_save_to_callback</a> <span class="c_punctuation">()</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="PopplerAttachment.other"></a><h2>Types and Values</h2>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="name">
<col class="description">
</colgroup>
<tbody><tr>
<td class="datatype_keyword"> </td>
<td class="function_name"><a class="link" href="PopplerAttachment.html#PopplerAttachment-struct" title="PopplerAttachment">PopplerAttachment</a></td>
</tr></tbody>
</table></div>
</div>
<div class="refsect1">
<a name="PopplerAttachment.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="screen"> <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject">GObject</a>
<span class="lineart">╰──</span> PopplerAttachment
</pre>
</div>
<div class="refsect1">
<a name="PopplerAttachment.includes"></a><h2>Includes</h2>
<pre class="synopsis">#include <poppler.h>
</pre>
</div>
<div class="refsect1">
<a name="PopplerAttachment.description"></a><h2>Description</h2>
</div>
<div class="refsect1">
<a name="PopplerAttachment.functions_details"></a><h2>Functions</h2>
<div class="refsect2">
<a name="PopplerAttachmentSaveFunc"></a><h3>PopplerAttachmentSaveFunc ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
<span class="c_punctuation">(</span>*PopplerAttachmentSaveFunc<span class="c_punctuation">)</span> (<em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *buf</code></em>,
<em class="parameter"><code><span class="type">gsize</span> count</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> data</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Error-Reporting.html#GError"><span class="type">GError</span></a> **error</code></em>);</pre>
<p>Specifies the type of the function passed to
<a class="link" href="PopplerAttachment.html#poppler-attachment-save-to-callback" title="poppler_attachment_save_to_callback ()"><code class="function">poppler_attachment_save_to_callback()</code></a>. It is called once for each block of
bytes that is "written" by <a class="link" href="PopplerAttachment.html#poppler-attachment-save-to-callback" title="poppler_attachment_save_to_callback ()"><code class="function">poppler_attachment_save_to_callback()</code></a>. If
successful it should return <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a>. If an error occurs it should set
<em class="parameter"><code>error</code></em>
and return <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a>, in which case <a class="link" href="PopplerAttachment.html#poppler-attachment-save-to-callback" title="poppler_attachment_save_to_callback ()"><code class="function">poppler_attachment_save_to_callback()</code></a>
will fail with the same error.</p>
<div class="refsect3">
<a name="id-1.2.6.8.2.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>buf</p></td>
<td class="parameter_description"><p> buffer containing
bytes to be written. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter points to an array of items."><span class="acronym">array</span></acronym> length=count][<acronym title="Generics and defining elements of containers and arrays."><span class="acronym">element-type</span></acronym> guint8]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>count</p></td>
<td class="parameter_description"><p>number of bytes in <em class="parameter"><code>buf</code></em>
.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>data</p></td>
<td class="parameter_description"><p> user data passed to <a class="link" href="PopplerAttachment.html#poppler-attachment-save-to-callback" title="poppler_attachment_save_to_callback ()"><code class="function">poppler_attachment_save_to_callback()</code></a>. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="This parameter is a 'user_data', for callbacks; many bindings can pass NULL here."><span class="acronym">closure</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>error</p></td>
<td class="parameter_description"><p>GError to set on error, or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.6.8.2.6"></a><h4>Returns</h4>
<p> <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if successful, <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> (with <em class="parameter"><code>error</code></em>
set) if failed.</p>
<p></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="poppler-attachment-save"></a><h3>poppler_attachment_save ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
poppler_attachment_save (<em class="parameter"><code><a class="link" href="PopplerAttachment.html" title="PopplerAttachment"><span class="type">PopplerAttachment</span></a> *attachment</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *filename</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Error-Reporting.html#GError"><span class="type">GError</span></a> **error</code></em>);</pre>
<p>Saves <em class="parameter"><code>attachment</code></em>
to a file indicated by <em class="parameter"><code>filename</code></em>
. If <em class="parameter"><code>error</code></em>
is set, <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a>
will be returned. Possible errors include those in the <a href="/usr/share/gtk-doc/html/glib/glib-File-Utilities.html#G-FILE-ERROR:CAPS"><span class="type">G_FILE_ERROR</span></a> domain
and whatever the save function generates.</p>
<div class="refsect3">
<a name="id-1.2.6.8.3.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>attachment</p></td>
<td class="parameter_description"><p>A <a class="link" href="PopplerAttachment.html" title="PopplerAttachment"><span class="type">PopplerAttachment</span></a>.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>filename</p></td>
<td class="parameter_description"><p>name of file to save</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>error</p></td>
<td class="parameter_description"><p> return location for error, or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is ok, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.6.8.3.6"></a><h4>Returns</h4>
<p> <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a>, if the file successfully saved</p>
<p></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="poppler-attachment-save-to-callback"></a><h3>poppler_attachment_save_to_callback ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
poppler_attachment_save_to_callback (<em class="parameter"><code><a class="link" href="PopplerAttachment.html" title="PopplerAttachment"><span class="type">PopplerAttachment</span></a> *attachment</code></em>,
<em class="parameter"><code><a class="link" href="PopplerAttachment.html#PopplerAttachmentSaveFunc" title="PopplerAttachmentSaveFunc ()"><span class="type">PopplerAttachmentSaveFunc</span></a> save_func</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Error-Reporting.html#GError"><span class="type">GError</span></a> **error</code></em>);</pre>
<p>Saves <em class="parameter"><code>attachment</code></em>
by feeding the produced data to <em class="parameter"><code>save_func</code></em>
. Can be used
when you want to store the attachment to something other than a file, such as
an in-memory buffer or a socket. If <em class="parameter"><code>error</code></em>
is set, <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> will be
returned. Possible errors include those in the <a href="/usr/share/gtk-doc/html/glib/glib-File-Utilities.html#G-FILE-ERROR:CAPS"><span class="type">G_FILE_ERROR</span></a> domain and
whatever the save function generates.</p>
<div class="refsect3">
<a name="id-1.2.6.8.4.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>attachment</p></td>
<td class="parameter_description"><p>A <a class="link" href="PopplerAttachment.html" title="PopplerAttachment"><span class="type">PopplerAttachment</span></a>.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>save_func</p></td>
<td class="parameter_description"><p> a function that is called to save each block of data that the save routine generates. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="The callback is valid only during the call to the method."><span class="acronym">scope call</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>user_data</p></td>
<td class="parameter_description"><p>user data to pass to the save function.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>error</p></td>
<td class="parameter_description"><p> return location for error, or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is ok, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.6.8.4.6"></a><h4>Returns</h4>
<p> <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a>, if the save successfully completed</p>
<p></p>
</div>
</div>
</div>
<div class="refsect1">
<a name="PopplerAttachment.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="PopplerAttachment-struct"></a><h3>PopplerAttachment</h3>
<pre class="programlisting">typedef struct _PopplerAttachment PopplerAttachment;</pre>
</div>
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