180 lines
7.9 KiB
HTML
180 lines
7.9 KiB
HTML
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<html>
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<meta http-equiv="Content-Type" content="text/html; charset=US-ASCII">
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<title>gimpexport</title>
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<link rel="chapter" href="libgimp-general.html" title="Functions not Related to Specific Images">
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<link rel="chapter" href="libgimp-image.html" title="Manupulating Images and all their Properties">
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<th width="100%" align="center">GIMP Library Reference Manual</th>
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<tr><td colspan="5" class="shortcuts"><nobr><a href="#id2571659" class="shortcut">Top</a>
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<a href="#id2686318" class="shortcut">Description</a></nobr></td></tr>
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</table>
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<div class="refentry" lang="en">
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<a name="libgimp-gimpexport"></a><div class="titlepage"></div>
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<div class="refnamediv"><table width="100%"><tr>
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<td valign="top">
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<h2>
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<a name="id2571659"></a><span class="refentrytitle">gimpexport</span>
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</h2>
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<p>gimpexport — Export an image before it is saved.</p>
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</td>
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<td valign="top" align="right"></td>
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</tr></table></div>
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<div class="refsynopsisdiv">
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<h2>Synopsis</h2>
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<pre class="synopsis">
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enum <a href="libgimp-gimpexport.html#GimpExportCapabilities">GimpExportCapabilities</a>;
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enum <a href="libgimp-gimpexport.html#GimpExportReturn">GimpExportReturn</a>;
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<a href="libgimp-gimpexport.html#GimpExportReturn">GimpExportReturn</a> <a href="libgimp-gimpexport.html#gimp-export-image">gimp_export_image</a> (gint32 *image_ID,
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gint32 *drawable_ID,
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const gchar *format_name,
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<a href="libgimp-gimpexport.html#GimpExportCapabilities">GimpExportCapabilities</a> capabilities);
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</pre>
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</div>
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<div class="refsect1" lang="en">
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<a name="id2686318"></a><h2>Description</h2>
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<p>
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This function should be called by all save_plugins unless they are
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able to save all image formats the GIMP knows about. It takes care
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of asking the user if she wishes to export the image to a format the
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save_plugin can handle. It then performs the necessary conversions
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(e.g. Flatten) on a copy of the image so that the image can be saved
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without changing the original image.
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The capabilities of the save_plugin are specified by combining
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<a href="libgimp-gimpexport.html#GimpExportCapabilities"><span class="type">GimpExportCapabilities</span></a> using a bitwise OR.
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Make sure you have initialized GTK+ before you call this function
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as it will most probably have to open a dialog.
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</p>
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</div>
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<div class="refsect1" lang="en">
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<a name="id2686350"></a><h2>Details</h2>
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<div class="refsect2" lang="en">
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<a name="id2686360"></a><h3>
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<a name="GimpExportCapabilities"></a>enum GimpExportCapabilities</h3>
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<a class="indexterm" name="id2572310"></a><pre class="programlisting">typedef enum
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{
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GIMP_EXPORT_CAN_HANDLE_RGB = 1 << 0,
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GIMP_EXPORT_CAN_HANDLE_GRAY = 1 << 1,
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GIMP_EXPORT_CAN_HANDLE_INDEXED = 1 << 2,
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GIMP_EXPORT_CAN_HANDLE_BITMAP = 1 << 3,
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GIMP_EXPORT_CAN_HANDLE_ALPHA = 1 << 4,
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GIMP_EXPORT_CAN_HANDLE_LAYERS = 1 << 5,
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GIMP_EXPORT_CAN_HANDLE_LAYERS_AS_ANIMATION = 1 << 6,
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GIMP_EXPORT_CAN_HANDLE_LAYER_MASKS = 1 << 7,
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GIMP_EXPORT_NEEDS_ALPHA = 1 << 8
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} GimpExportCapabilities;
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</pre>
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<p>
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</p>
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</div>
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<hr>
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<div class="refsect2" lang="en">
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<a name="id2571660"></a><h3>
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<a name="GimpExportReturn"></a>enum GimpExportReturn</h3>
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<a class="indexterm" name="id2579322"></a><pre class="programlisting">typedef enum
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{
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GIMP_EXPORT_CANCEL,
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GIMP_EXPORT_IGNORE,
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GIMP_EXPORT_EXPORT
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} GimpExportReturn;
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</pre>
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<p>
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</p>
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</div>
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<hr>
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<div class="refsect2" lang="en">
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<a name="id2515305"></a><h3>
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<a name="gimp-export-image"></a>gimp_export_image ()</h3>
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<a class="indexterm" name="id2515315"></a><pre class="programlisting"><a href="libgimp-gimpexport.html#GimpExportReturn">GimpExportReturn</a> gimp_export_image (gint32 *image_ID,
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gint32 *drawable_ID,
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const gchar *format_name,
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<a href="libgimp-gimpexport.html#GimpExportCapabilities">GimpExportCapabilities</a> capabilities);</pre>
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<p>
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Takes an image and a drawable to be saved together with a
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description of the capabilities of the image_format. If the
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type of image doesn't match the capabilities of the format
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a dialog is opened that informs the user that the image has
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to be exported and offers to do the necessary conversions.
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</p>
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<p>
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If the user chooses to export the image, a copy is created.
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This copy is then converted, the image_ID and drawable_ID
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are changed to point to the new image and the procedure returns
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GIMP_EXPORT_EXPORT. The save_plugin has to take care of deleting the
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created image using <a href="libgimp-gimpimage.html#gimp-image-delete"><code class="function">gimp_image_delete()</code></a> when it has saved it.
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</p>
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<p>
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If the user chooses to Ignore the export problem, the image_ID
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and drawable_ID is not altered, GIMP_EXPORT_IGNORE is returned and
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the save_plugin should try to save the original image. If the
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user chooses Cancel, GIMP_EXPORT_CANCEL is returned and the
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save_plugin should quit itself with status <span class="type">GIMP_PDB_CANCEL</span>.</p>
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<p>
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</p>
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<div class="variablelist"><table border="0">
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<col align="left" valign="top">
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<tbody>
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<tr>
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<td><span class="term"><em class="parameter"><code>image_ID</code></em> :</span></td>
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<td> Pointer to the image_ID.
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</td>
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</tr>
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<tr>
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<td><span class="term"><em class="parameter"><code>drawable_ID</code></em> :</span></td>
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<td> Pointer to the drawable_ID.
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</td>
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</tr>
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<tr>
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<td><span class="term"><em class="parameter"><code>format_name</code></em> :</span></td>
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<td> The (short) name of the image_format (e.g. JPEG or GIF).
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</td>
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</tr>
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<tr>
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<td><span class="term"><em class="parameter"><code>capabilities</code></em> :</span></td>
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<td> What can the image_format do?
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</td>
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</tr>
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<tr>
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<td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td>
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<td> An enum of <a href="libgimp-gimpexport.html#GimpExportReturn"><span class="type">GimpExportReturn</span></a> describing the user_action.
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</td>
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</tr>
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</tbody>
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</table></div>
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</div>
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</div>
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</div>
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</body>
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</html>
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