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# GIMP - The GNU Image Manipulation Program
# Copyright (C) 1995 Spencer Kimball and Peter Mattis
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
# This program 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 General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
sub group_layer_new {
$blurb = 'Create a new group layer.';
$help = <<'HELP';
This procedure creates a new group layer with a given @name. If @name is
%NULL, GIMP will choose a name using its default layer name algorithm.
The new group layer still needs to be added to the image, as this is
not automatic. Add the new layer with the [method@Image.insert_layer]
method.
Other attributes such as layer mask, modes and offsets should be set
with explicit procedure calls.
Other procedures useful with group layers: [method@Image.reorder_item],
[method@Item.get_parent], [method@Item.get_children], [method@Item.is_group].
HELP
&barak_pdb_misc('2010', '2.8');
@inargs = (
{ name => 'image', type => 'image',
desc => 'The image to which to add the group layer' },
{ name => 'name', type => 'string', none_ok => 1,
desc => "The group layer name" }
);
@outargs = (
{ name => 'group_layer', type => 'group_layer',
desc => 'The newly created group layer' }
);
%invoke = (
code => <<'CODE'
{
group_layer = GIMP_GROUP_LAYER (gimp_group_layer_new (image));
if (! group_layer)
{
success = FALSE;
}
else if (name != NULL && strlen (name) > 0)
{
gimp_item_rename (GIMP_ITEM (group_layer), name, error);
}
}
CODE
);
}
sub group_layer_merge {
$blurb = 'Merge the passed group layer\'s layers into one normal layer.';
$help = <<'HELP';
This procedure combines the layers of the passed group layer into
a single normal layer, replacing the group.
The group layer is expected to be attached to an image.
HELP
&ell_pdb_misc('2019', '2.10.14');
@inargs = (
{ name => 'group_layer', type => 'group_layer',
desc => 'The group layer to merge' },
);
@outargs = (
{ name => 'layer', type => 'layer',
desc => 'The resulting layer' }
);
%invoke = (
headers => [ qw("core/gimpimage-merge.h") ],
code => <<'CODE'
{
if (gimp_pdb_item_is_attached (GIMP_ITEM (group_layer), NULL, 0, error) &&
gimp_pdb_item_is_group (GIMP_ITEM (group_layer), error))
{
GimpImage *image = gimp_item_get_image (GIMP_ITEM (group_layer));
layer = gimp_image_merge_group_layer (image, group_layer);
if (! layer)
success = FALSE;
}
else
success = FALSE;
}
CODE
);
}
@headers = qw(<cairo.h>
"libgimpbase/gimpbase.h"
"core/gimp.h"
"core/gimpgrouplayer.h"
"gimppdb-utils.h"
"gimp-intl.h");
@procs = qw(group_layer_new
group_layer_merge);
%exports = (app => [@procs], lib => [@procs]);
$desc = 'Group Layer';
$doc_title = 'gimpgrouplayer';
$doc_short_desc = 'Operations on a group layer.';
$doc_long_desc = 'Operations on a group layer.';
1;
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