gimp/libgimp/gimpchannel_pdb.c

878 lines
28 KiB
C

/* LIBGIMP - The GIMP Library
* Copyright (C) 1995-2003 Peter Mattis and Spencer Kimball
*
* gimpchannel_pdb.c
*
* This library is free software: you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see
* <https://www.gnu.org/licenses/>.
*/
/* NOTE: This file is auto-generated by pdbgen.pl */
#include "config.h"
#include "gimp.h"
/**
* SECTION: gimpchannel
* @title: gimpchannel
* @short_description: Functions for manipulating channels.
*
* Functions for manipulating channels.
**/
/**
* _gimp_channel_new:
* @image: The image to which to add the channel.
* @width: The channel width.
* @height: The channel height.
* @name: The channel name.
* @opacity: The channel opacity.
* @color: The channel compositing color.
*
* Create a new channel.
*
* This procedure creates a new channel with the specified width,
* height, name, opacity and color.
* The new channel still needs to be added to the image, as this is not
* automatic. Add the new channel with gimp_image_insert_channel().
* Other attributes, such as channel visibility, should be set with
* explicit procedure calls.
* The channel's contents are undefined initially.
*
* Returns: (transfer none): The newly created channel.
**/
GimpChannel *
_gimp_channel_new (GimpImage *image,
gint width,
gint height,
const gchar *name,
gdouble opacity,
const GimpRGB *color)
{
GimpPDB *pdb = gimp_get_pdb ();
GimpValueArray *args;
GimpValueArray *return_vals;
GimpChannel *channel = NULL;
args = gimp_value_array_new_from_types (NULL,
GIMP_TYPE_IMAGE, image,
G_TYPE_INT, width,
G_TYPE_INT, height,
G_TYPE_STRING, name,
G_TYPE_DOUBLE, opacity,
GIMP_TYPE_RGB, color,
G_TYPE_NONE);
if (pdb)
return_vals = gimp_pdb_run_procedure_array (pdb,
"gimp-channel-new",
args);
else
return_vals = gimp_run_procedure_array ("gimp-channel-new",
args);
gimp_value_array_unref (args);
if (g_value_get_enum (gimp_value_array_index (return_vals, 0)) == GIMP_PDB_SUCCESS)
channel = g_value_get_object (gimp_value_array_index (return_vals, 1));
gimp_value_array_unref (return_vals);
return channel;
}
/**
* gimp_channel_new_from_component:
* @image: The image to which to add the channel.
* @component: The image component.
* @name: The channel name.
*
* Create a new channel from a color component
*
* This procedure creates a new channel from a color component.
* The new channel still needs to be added to the image, as this is not
* automatic. Add the new channel with gimp_image_insert_channel().
* Other attributes, such as channel visibility, should be set with
* explicit procedure calls.
*
* Returns: (transfer none): The newly created channel.
*
* Since: 2.4
**/
GimpChannel *
gimp_channel_new_from_component (GimpImage *image,
GimpChannelType component,
const gchar *name)
{
GimpPDB *pdb = gimp_get_pdb ();
GimpValueArray *args;
GimpValueArray *return_vals;
GimpChannel *channel = NULL;
args = gimp_value_array_new_from_types (NULL,
GIMP_TYPE_IMAGE, image,
GIMP_TYPE_CHANNEL_TYPE, component,
G_TYPE_STRING, name,
G_TYPE_NONE);
if (pdb)
return_vals = gimp_pdb_run_procedure_array (pdb,
"gimp-channel-new-from-component",
args);
else
return_vals = gimp_run_procedure_array ("gimp-channel-new-from-component",
args);
gimp_value_array_unref (args);
if (g_value_get_enum (gimp_value_array_index (return_vals, 0)) == GIMP_PDB_SUCCESS)
channel = g_value_get_object (gimp_value_array_index (return_vals, 1));
gimp_value_array_unref (return_vals);
return channel;
}
/**
* _gimp_channel_new_from_component: (skip)
* @image_ID: The image to which to add the channel.
* @component: The image component.
* @name: The channel name.
*
* Create a new channel from a color component
*
* This procedure creates a new channel from a color component.
* The new channel still needs to be added to the image, as this is not
* automatic. Add the new channel with gimp_image_insert_channel().
* Other attributes, such as channel visibility, should be set with
* explicit procedure calls.
*
* Returns: The newly created channel.
*
* Since: 2.4
**/
gint32
_gimp_channel_new_from_component (gint32 image_ID,
GimpChannelType component,
const gchar *name)
{
GimpPDB *pdb = gimp_get_pdb ();
GimpValueArray *args;
GimpValueArray *return_vals;
gint32 channel_ID = -1;
args = gimp_value_array_new_from_types (NULL,
GIMP_TYPE_IMAGE, gimp_image_get_by_id (image_ID),
GIMP_TYPE_CHANNEL_TYPE, component,
G_TYPE_STRING, name,
G_TYPE_NONE);
if (pdb)
return_vals = gimp_pdb_run_procedure_array (pdb,
"gimp-channel-new-from-component",
args);
else
return_vals = gimp_run_procedure_array ("gimp-channel-new-from-component",
args);
gimp_value_array_unref (args);
if (g_value_get_enum (gimp_value_array_index (return_vals, 0)) == GIMP_PDB_SUCCESS)
channel_ID = gimp_item_get_id (g_value_get_object (gimp_value_array_index (return_vals, 1)));
gimp_value_array_unref (return_vals);
return channel_ID;
}
/**
* gimp_channel_copy:
* @channel: The channel to copy.
*
* Copy a channel.
*
* This procedure copies the specified channel and returns the copy.
* The new channel still needs to be added to the image, as this is not
* automatic. Add the new channel with gimp_image_insert_channel().
*
* Returns: (transfer none): The newly copied channel.
**/
GimpChannel *
gimp_channel_copy (GimpChannel *channel)
{
GimpPDB *pdb = gimp_get_pdb ();
GimpValueArray *args;
GimpValueArray *return_vals;
GimpChannel *channel_copy = NULL;
args = gimp_value_array_new_from_types (NULL,
GIMP_TYPE_CHANNEL, channel,
G_TYPE_NONE);
if (pdb)
return_vals = gimp_pdb_run_procedure_array (pdb,
"gimp-channel-copy",
args);
else
return_vals = gimp_run_procedure_array ("gimp-channel-copy",
args);
gimp_value_array_unref (args);
if (g_value_get_enum (gimp_value_array_index (return_vals, 0)) == GIMP_PDB_SUCCESS)
channel_copy = g_value_get_object (gimp_value_array_index (return_vals, 1));
gimp_value_array_unref (return_vals);
return channel_copy;
}
/**
* _gimp_channel_copy: (skip)
* @channel_ID: The channel to copy.
*
* Copy a channel.
*
* This procedure copies the specified channel and returns the copy.
* The new channel still needs to be added to the image, as this is not
* automatic. Add the new channel with gimp_image_insert_channel().
*
* Returns: The newly copied channel.
**/
gint32
_gimp_channel_copy (gint32 channel_ID)
{
GimpPDB *pdb = gimp_get_pdb ();
GimpValueArray *args;
GimpValueArray *return_vals;
gint32 channel_copy_ID = -1;
args = gimp_value_array_new_from_types (NULL,
GIMP_TYPE_CHANNEL, gimp_item_get_by_id (channel_ID),
G_TYPE_NONE);
if (pdb)
return_vals = gimp_pdb_run_procedure_array (pdb,
"gimp-channel-copy",
args);
else
return_vals = gimp_run_procedure_array ("gimp-channel-copy",
args);
gimp_value_array_unref (args);
if (g_value_get_enum (gimp_value_array_index (return_vals, 0)) == GIMP_PDB_SUCCESS)
channel_copy_ID = gimp_item_get_id (g_value_get_object (gimp_value_array_index (return_vals, 1)));
gimp_value_array_unref (return_vals);
return channel_copy_ID;
}
/**
* gimp_channel_combine_masks:
* @channel1: The channel1.
* @channel2: The channel2.
* @operation: The selection operation.
* @offx: x offset between upper left corner of channels: (second - first).
* @offy: y offset between upper left corner of channels: (second - first).
*
* Combine two channel masks.
*
* This procedure combines two channel masks. The result is stored in
* the first channel.
*
* Returns: TRUE on success.
**/
gboolean
gimp_channel_combine_masks (GimpChannel *channel1,
GimpChannel *channel2,
GimpChannelOps operation,
gint offx,
gint offy)
{
GimpPDB *pdb = gimp_get_pdb ();
GimpValueArray *args;
GimpValueArray *return_vals;
gboolean success = TRUE;
args = gimp_value_array_new_from_types (NULL,
GIMP_TYPE_CHANNEL, channel1,
GIMP_TYPE_CHANNEL, channel2,
GIMP_TYPE_CHANNEL_OPS, operation,
G_TYPE_INT, offx,
G_TYPE_INT, offy,
G_TYPE_NONE);
if (pdb)
return_vals = gimp_pdb_run_procedure_array (pdb,
"gimp-channel-combine-masks",
args);
else
return_vals = gimp_run_procedure_array ("gimp-channel-combine-masks",
args);
gimp_value_array_unref (args);
success = g_value_get_enum (gimp_value_array_index (return_vals, 0)) == GIMP_PDB_SUCCESS;
gimp_value_array_unref (return_vals);
return success;
}
/**
* _gimp_channel_combine_masks: (skip)
* @channel1_ID: The channel1.
* @channel2_ID: The channel2.
* @operation: The selection operation.
* @offx: x offset between upper left corner of channels: (second - first).
* @offy: y offset between upper left corner of channels: (second - first).
*
* Combine two channel masks.
*
* This procedure combines two channel masks. The result is stored in
* the first channel.
*
* Returns: TRUE on success.
**/
gboolean
_gimp_channel_combine_masks (gint32 channel1_ID,
gint32 channel2_ID,
GimpChannelOps operation,
gint offx,
gint offy)
{
GimpPDB *pdb = gimp_get_pdb ();
GimpValueArray *args;
GimpValueArray *return_vals;
gboolean success = TRUE;
args = gimp_value_array_new_from_types (NULL,
GIMP_TYPE_CHANNEL, gimp_item_get_by_id (channel1_ID),
GIMP_TYPE_CHANNEL, gimp_item_get_by_id (channel2_ID),
GIMP_TYPE_CHANNEL_OPS, operation,
G_TYPE_INT, offx,
G_TYPE_INT, offy,
G_TYPE_NONE);
if (pdb)
return_vals = gimp_pdb_run_procedure_array (pdb,
"gimp-channel-combine-masks",
args);
else
return_vals = gimp_run_procedure_array ("gimp-channel-combine-masks",
args);
gimp_value_array_unref (args);
success = g_value_get_enum (gimp_value_array_index (return_vals, 0)) == GIMP_PDB_SUCCESS;
gimp_value_array_unref (return_vals);
return success;
}
/**
* gimp_channel_get_show_masked:
* @channel: The channel.
*
* Get the composite method of the specified channel.
*
* This procedure returns the specified channel's composite method. If
* it is TRUE, then the channel is composited with the image so that
* masked regions are shown. Otherwise, selected regions are shown.
*
* Returns: The channel composite method.
**/
gboolean
gimp_channel_get_show_masked (GimpChannel *channel)
{
GimpPDB *pdb = gimp_get_pdb ();
GimpValueArray *args;
GimpValueArray *return_vals;
gboolean show_masked = FALSE;
args = gimp_value_array_new_from_types (NULL,
GIMP_TYPE_CHANNEL, channel,
G_TYPE_NONE);
if (pdb)
return_vals = gimp_pdb_run_procedure_array (pdb,
"gimp-channel-get-show-masked",
args);
else
return_vals = gimp_run_procedure_array ("gimp-channel-get-show-masked",
args);
gimp_value_array_unref (args);
if (g_value_get_enum (gimp_value_array_index (return_vals, 0)) == GIMP_PDB_SUCCESS)
show_masked = g_value_get_boolean (gimp_value_array_index (return_vals, 1));
gimp_value_array_unref (return_vals);
return show_masked;
}
/**
* _gimp_channel_get_show_masked: (skip)
* @channel_ID: The channel.
*
* Get the composite method of the specified channel.
*
* This procedure returns the specified channel's composite method. If
* it is TRUE, then the channel is composited with the image so that
* masked regions are shown. Otherwise, selected regions are shown.
*
* Returns: The channel composite method.
**/
gboolean
_gimp_channel_get_show_masked (gint32 channel_ID)
{
GimpPDB *pdb = gimp_get_pdb ();
GimpValueArray *args;
GimpValueArray *return_vals;
gboolean show_masked = FALSE;
args = gimp_value_array_new_from_types (NULL,
GIMP_TYPE_CHANNEL, gimp_item_get_by_id (channel_ID),
G_TYPE_NONE);
if (pdb)
return_vals = gimp_pdb_run_procedure_array (pdb,
"gimp-channel-get-show-masked",
args);
else
return_vals = gimp_run_procedure_array ("gimp-channel-get-show-masked",
args);
gimp_value_array_unref (args);
if (g_value_get_enum (gimp_value_array_index (return_vals, 0)) == GIMP_PDB_SUCCESS)
show_masked = g_value_get_boolean (gimp_value_array_index (return_vals, 1));
gimp_value_array_unref (return_vals);
return show_masked;
}
/**
* gimp_channel_set_show_masked:
* @channel: The channel.
* @show_masked: The new channel composite method.
*
* Set the composite method of the specified channel.
*
* This procedure sets the specified channel's composite method. If it
* is TRUE, then the channel is composited with the image so that
* masked regions are shown. Otherwise, selected regions are shown.
*
* Returns: TRUE on success.
**/
gboolean
gimp_channel_set_show_masked (GimpChannel *channel,
gboolean show_masked)
{
GimpPDB *pdb = gimp_get_pdb ();
GimpValueArray *args;
GimpValueArray *return_vals;
gboolean success = TRUE;
args = gimp_value_array_new_from_types (NULL,
GIMP_TYPE_CHANNEL, channel,
G_TYPE_BOOLEAN, show_masked,
G_TYPE_NONE);
if (pdb)
return_vals = gimp_pdb_run_procedure_array (pdb,
"gimp-channel-set-show-masked",
args);
else
return_vals = gimp_run_procedure_array ("gimp-channel-set-show-masked",
args);
gimp_value_array_unref (args);
success = g_value_get_enum (gimp_value_array_index (return_vals, 0)) == GIMP_PDB_SUCCESS;
gimp_value_array_unref (return_vals);
return success;
}
/**
* _gimp_channel_set_show_masked: (skip)
* @channel_ID: The channel.
* @show_masked: The new channel composite method.
*
* Set the composite method of the specified channel.
*
* This procedure sets the specified channel's composite method. If it
* is TRUE, then the channel is composited with the image so that
* masked regions are shown. Otherwise, selected regions are shown.
*
* Returns: TRUE on success.
**/
gboolean
_gimp_channel_set_show_masked (gint32 channel_ID,
gboolean show_masked)
{
GimpPDB *pdb = gimp_get_pdb ();
GimpValueArray *args;
GimpValueArray *return_vals;
gboolean success = TRUE;
args = gimp_value_array_new_from_types (NULL,
GIMP_TYPE_CHANNEL, gimp_item_get_by_id (channel_ID),
G_TYPE_BOOLEAN, show_masked,
G_TYPE_NONE);
if (pdb)
return_vals = gimp_pdb_run_procedure_array (pdb,
"gimp-channel-set-show-masked",
args);
else
return_vals = gimp_run_procedure_array ("gimp-channel-set-show-masked",
args);
gimp_value_array_unref (args);
success = g_value_get_enum (gimp_value_array_index (return_vals, 0)) == GIMP_PDB_SUCCESS;
gimp_value_array_unref (return_vals);
return success;
}
/**
* gimp_channel_get_opacity:
* @channel: The channel.
*
* Get the opacity of the specified channel.
*
* This procedure returns the specified channel's opacity.
*
* Returns: The channel opacity.
**/
gdouble
gimp_channel_get_opacity (GimpChannel *channel)
{
GimpPDB *pdb = gimp_get_pdb ();
GimpValueArray *args;
GimpValueArray *return_vals;
gdouble opacity = 0.0;
args = gimp_value_array_new_from_types (NULL,
GIMP_TYPE_CHANNEL, channel,
G_TYPE_NONE);
if (pdb)
return_vals = gimp_pdb_run_procedure_array (pdb,
"gimp-channel-get-opacity",
args);
else
return_vals = gimp_run_procedure_array ("gimp-channel-get-opacity",
args);
gimp_value_array_unref (args);
if (g_value_get_enum (gimp_value_array_index (return_vals, 0)) == GIMP_PDB_SUCCESS)
opacity = g_value_get_double (gimp_value_array_index (return_vals, 1));
gimp_value_array_unref (return_vals);
return opacity;
}
/**
* _gimp_channel_get_opacity: (skip)
* @channel_ID: The channel.
*
* Get the opacity of the specified channel.
*
* This procedure returns the specified channel's opacity.
*
* Returns: The channel opacity.
**/
gdouble
_gimp_channel_get_opacity (gint32 channel_ID)
{
GimpPDB *pdb = gimp_get_pdb ();
GimpValueArray *args;
GimpValueArray *return_vals;
gdouble opacity = 0.0;
args = gimp_value_array_new_from_types (NULL,
GIMP_TYPE_CHANNEL, gimp_item_get_by_id (channel_ID),
G_TYPE_NONE);
if (pdb)
return_vals = gimp_pdb_run_procedure_array (pdb,
"gimp-channel-get-opacity",
args);
else
return_vals = gimp_run_procedure_array ("gimp-channel-get-opacity",
args);
gimp_value_array_unref (args);
if (g_value_get_enum (gimp_value_array_index (return_vals, 0)) == GIMP_PDB_SUCCESS)
opacity = g_value_get_double (gimp_value_array_index (return_vals, 1));
gimp_value_array_unref (return_vals);
return opacity;
}
/**
* gimp_channel_set_opacity:
* @channel: The channel.
* @opacity: The new channel opacity.
*
* Set the opacity of the specified channel.
*
* This procedure sets the specified channel's opacity.
*
* Returns: TRUE on success.
**/
gboolean
gimp_channel_set_opacity (GimpChannel *channel,
gdouble opacity)
{
GimpPDB *pdb = gimp_get_pdb ();
GimpValueArray *args;
GimpValueArray *return_vals;
gboolean success = TRUE;
args = gimp_value_array_new_from_types (NULL,
GIMP_TYPE_CHANNEL, channel,
G_TYPE_DOUBLE, opacity,
G_TYPE_NONE);
if (pdb)
return_vals = gimp_pdb_run_procedure_array (pdb,
"gimp-channel-set-opacity",
args);
else
return_vals = gimp_run_procedure_array ("gimp-channel-set-opacity",
args);
gimp_value_array_unref (args);
success = g_value_get_enum (gimp_value_array_index (return_vals, 0)) == GIMP_PDB_SUCCESS;
gimp_value_array_unref (return_vals);
return success;
}
/**
* _gimp_channel_set_opacity: (skip)
* @channel_ID: The channel.
* @opacity: The new channel opacity.
*
* Set the opacity of the specified channel.
*
* This procedure sets the specified channel's opacity.
*
* Returns: TRUE on success.
**/
gboolean
_gimp_channel_set_opacity (gint32 channel_ID,
gdouble opacity)
{
GimpPDB *pdb = gimp_get_pdb ();
GimpValueArray *args;
GimpValueArray *return_vals;
gboolean success = TRUE;
args = gimp_value_array_new_from_types (NULL,
GIMP_TYPE_CHANNEL, gimp_item_get_by_id (channel_ID),
G_TYPE_DOUBLE, opacity,
G_TYPE_NONE);
if (pdb)
return_vals = gimp_pdb_run_procedure_array (pdb,
"gimp-channel-set-opacity",
args);
else
return_vals = gimp_run_procedure_array ("gimp-channel-set-opacity",
args);
gimp_value_array_unref (args);
success = g_value_get_enum (gimp_value_array_index (return_vals, 0)) == GIMP_PDB_SUCCESS;
gimp_value_array_unref (return_vals);
return success;
}
/**
* gimp_channel_get_color:
* @channel: The channel.
* @color: (out caller-allocates): The channel compositing color.
*
* Get the compositing color of the specified channel.
*
* This procedure returns the specified channel's compositing color.
*
* Returns: TRUE on success.
**/
gboolean
gimp_channel_get_color (GimpChannel *channel,
GimpRGB *color)
{
GimpPDB *pdb = gimp_get_pdb ();
GimpValueArray *args;
GimpValueArray *return_vals;
gboolean success = TRUE;
args = gimp_value_array_new_from_types (NULL,
GIMP_TYPE_CHANNEL, channel,
G_TYPE_NONE);
if (pdb)
return_vals = gimp_pdb_run_procedure_array (pdb,
"gimp-channel-get-color",
args);
else
return_vals = gimp_run_procedure_array ("gimp-channel-get-color",
args);
gimp_value_array_unref (args);
success = g_value_get_enum (gimp_value_array_index (return_vals, 0)) == GIMP_PDB_SUCCESS;
if (success)
gimp_value_get_rgb (gimp_value_array_index (return_vals, 1), &*color);
gimp_value_array_unref (return_vals);
return success;
}
/**
* _gimp_channel_get_color: (skip)
* @channel_ID: The channel.
* @color: (out caller-allocates): The channel compositing color.
*
* Get the compositing color of the specified channel.
*
* This procedure returns the specified channel's compositing color.
*
* Returns: TRUE on success.
**/
gboolean
_gimp_channel_get_color (gint32 channel_ID,
GimpRGB *color)
{
GimpPDB *pdb = gimp_get_pdb ();
GimpValueArray *args;
GimpValueArray *return_vals;
gboolean success = TRUE;
args = gimp_value_array_new_from_types (NULL,
GIMP_TYPE_CHANNEL, gimp_item_get_by_id (channel_ID),
G_TYPE_NONE);
if (pdb)
return_vals = gimp_pdb_run_procedure_array (pdb,
"gimp-channel-get-color",
args);
else
return_vals = gimp_run_procedure_array ("gimp-channel-get-color",
args);
gimp_value_array_unref (args);
success = g_value_get_enum (gimp_value_array_index (return_vals, 0)) == GIMP_PDB_SUCCESS;
if (success)
gimp_value_get_rgb (gimp_value_array_index (return_vals, 1), &*color);
gimp_value_array_unref (return_vals);
return success;
}
/**
* gimp_channel_set_color:
* @channel: The channel.
* @color: The new channel compositing color.
*
* Set the compositing color of the specified channel.
*
* This procedure sets the specified channel's compositing color.
*
* Returns: TRUE on success.
**/
gboolean
gimp_channel_set_color (GimpChannel *channel,
const GimpRGB *color)
{
GimpPDB *pdb = gimp_get_pdb ();
GimpValueArray *args;
GimpValueArray *return_vals;
gboolean success = TRUE;
args = gimp_value_array_new_from_types (NULL,
GIMP_TYPE_CHANNEL, channel,
GIMP_TYPE_RGB, color,
G_TYPE_NONE);
if (pdb)
return_vals = gimp_pdb_run_procedure_array (pdb,
"gimp-channel-set-color",
args);
else
return_vals = gimp_run_procedure_array ("gimp-channel-set-color",
args);
gimp_value_array_unref (args);
success = g_value_get_enum (gimp_value_array_index (return_vals, 0)) == GIMP_PDB_SUCCESS;
gimp_value_array_unref (return_vals);
return success;
}
/**
* _gimp_channel_set_color: (skip)
* @channel_ID: The channel.
* @color: The new channel compositing color.
*
* Set the compositing color of the specified channel.
*
* This procedure sets the specified channel's compositing color.
*
* Returns: TRUE on success.
**/
gboolean
_gimp_channel_set_color (gint32 channel_ID,
const GimpRGB *color)
{
GimpPDB *pdb = gimp_get_pdb ();
GimpValueArray *args;
GimpValueArray *return_vals;
gboolean success = TRUE;
args = gimp_value_array_new_from_types (NULL,
GIMP_TYPE_CHANNEL, gimp_item_get_by_id (channel_ID),
GIMP_TYPE_RGB, color,
G_TYPE_NONE);
if (pdb)
return_vals = gimp_pdb_run_procedure_array (pdb,
"gimp-channel-set-color",
args);
else
return_vals = gimp_run_procedure_array ("gimp-channel-set-color",
args);
gimp_value_array_unref (args);
success = g_value_get_enum (gimp_value_array_index (return_vals, 0)) == GIMP_PDB_SUCCESS;
gimp_value_array_unref (return_vals);
return success;
}