/* LIBGIMP - The GIMP Library * Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball * * gimpchannel.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 * Library 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 * . */ #include "config.h" #include "gimp.h" G_DEFINE_TYPE (GimpChannel, gimp_channel, GIMP_TYPE_DRAWABLE) #define parent_class gimp_drawable_parent_class static void gimp_channel_class_init (GimpChannelClass *klass) { } static void gimp_channel_init (GimpChannel *channel) { } /** * gimp_channel_get_by_id: * @channel_id: The channel id. * * Returns a #GimpChannel representing @channel_id. This function * calls gimp_item_get_by_id() and returns the item if it is channel * or %NULL otherwise. * * Returns: (nullable) (transfer none): a #GimpChannel for @channel_id * or %NULL if @channel_id does not represent a valid * channel. The object belongs to libgimp and you must not * modify or unref it. * * Since: 3.0 **/ GimpChannel * gimp_channel_get_by_id (gint32 channel_id) { GimpItem *item = gimp_item_get_by_id (channel_id); if (GIMP_IS_CHANNEL (item)) return (GimpChannel *) item; return NULL; }