427 lines
13 KiB
C
427 lines
13 KiB
C
/* PIKA - Photo and Image Kooker Application
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* a rebranding of The GNU Image Manipulation Program (created with heckimp)
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* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
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*
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* Original copyright, applying to most contents (license remains unchanged):
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <gegl.h>
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#include <gtk/gtk.h>
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#include "libpikabase/pikabase.h"
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#include "actions-types.h"
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#include "core/pika.h"
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#include "core/pikaimage.h"
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#include "core/pikadrawable.h"
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#include "core/pikaparamspecs.h"
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#include "core/pikaprogress.h"
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#include "pdb/pikaprocedure.h"
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#include "display/pikadisplay.h"
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#include "procedure-commands.h"
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static inline gboolean
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PIKA_IS_PARAM_SPEC_RUN_MODE (GParamSpec *pspec)
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{
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return (G_IS_PARAM_SPEC_ENUM (pspec) &&
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pspec->value_type == PIKA_TYPE_RUN_MODE);
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}
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PikaValueArray *
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procedure_commands_get_run_mode_arg (PikaProcedure *procedure)
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{
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PikaValueArray *args;
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gint n_args = 0;
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args = pika_procedure_get_arguments (procedure);
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/* initialize the first argument */
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if (pika_value_array_length (args) > n_args &&
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PIKA_IS_PARAM_SPEC_RUN_MODE (procedure->args[n_args]))
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{
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g_value_set_enum (pika_value_array_index (args, n_args),
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PIKA_RUN_INTERACTIVE);
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n_args++;
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}
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if (n_args > 0)
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pika_value_array_truncate (args, n_args);
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return args;
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}
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PikaValueArray *
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procedure_commands_get_data_args (PikaProcedure *procedure,
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PikaObject *object)
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{
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PikaValueArray *args;
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gint n_args = 0;
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args = pika_procedure_get_arguments (procedure);
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/* initialize the first argument */
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if (pika_value_array_length (args) > n_args &&
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PIKA_IS_PARAM_SPEC_RUN_MODE (procedure->args[n_args]))
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{
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g_value_set_enum (pika_value_array_index (args, n_args),
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PIKA_RUN_INTERACTIVE);
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n_args++;
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}
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if (pika_value_array_length (args) > n_args &&
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G_IS_PARAM_SPEC_STRING (procedure->args[n_args]))
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{
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if (object)
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{
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g_value_set_string (pika_value_array_index (args, n_args),
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pika_object_get_name (object));
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n_args++;
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}
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else
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{
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g_warning ("Uh-oh, no active data object for the plug-in!");
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pika_value_array_unref (args);
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return NULL;
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}
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}
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if (n_args > 0)
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pika_value_array_truncate (args, n_args);
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return args;
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}
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PikaValueArray *
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procedure_commands_get_image_args (PikaProcedure *procedure,
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PikaImage *image)
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{
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PikaValueArray *args;
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gint n_args = 0;
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args = pika_procedure_get_arguments (procedure);
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/* initialize the first argument */
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if (pika_value_array_length (args) > n_args &&
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PIKA_IS_PARAM_SPEC_RUN_MODE (procedure->args[n_args]))
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{
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g_value_set_enum (pika_value_array_index (args, n_args),
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PIKA_RUN_INTERACTIVE);
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n_args++;
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}
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if (pika_value_array_length (args) > n_args &&
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PIKA_IS_PARAM_SPEC_IMAGE (procedure->args[n_args]))
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{
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if (image)
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{
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g_value_set_object (pika_value_array_index (args, n_args), image);
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n_args++;
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}
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else
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{
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g_warning ("Uh-oh, no active image for the plug-in!");
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pika_value_array_unref (args);
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return NULL;
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}
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}
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if (n_args)
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pika_value_array_truncate (args, n_args);
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return args;
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}
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PikaValueArray *
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procedure_commands_get_items_args (PikaProcedure *procedure,
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PikaImage *image,
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GList *items_list)
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{
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PikaValueArray *args;
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gint n_args = 0;
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args = pika_procedure_get_arguments (procedure);
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/* initialize the first argument */
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if (pika_value_array_length (args) > n_args &&
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PIKA_IS_PARAM_SPEC_RUN_MODE (procedure->args[n_args]))
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{
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g_value_set_enum (pika_value_array_index (args, n_args),
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PIKA_RUN_INTERACTIVE);
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n_args++;
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}
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if (pika_value_array_length (args) > n_args &&
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PIKA_IS_PARAM_SPEC_IMAGE (procedure->args[n_args]))
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{
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if (image)
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{
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g_value_set_object (pika_value_array_index (args, n_args), image);
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n_args++;
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if (pika_value_array_length (args) > n_args &&
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PIKA_IS_PARAM_SPEC_ITEM (procedure->args[n_args]))
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{
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if (items_list)
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{
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g_printerr ("%s: plug-in procedures expecting a single item are deprecated!\n",
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G_STRFUNC);
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g_value_set_object (pika_value_array_index (args, n_args),
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items_list->data);
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n_args++;
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}
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else
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{
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g_warning ("Uh-oh, no selected items for the plug-in!");
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pika_value_array_unref (args);
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return NULL;
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}
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}
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else if (pika_value_array_length (args) > n_args + 1 &&
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G_IS_PARAM_SPEC_INT (procedure->args[n_args]) &&
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PIKA_IS_PARAM_SPEC_OBJECT_ARRAY (procedure->args[n_args + 1]))
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{
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PikaItem **items = NULL;
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gint n_items;
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n_items = g_list_length (items_list);
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g_value_set_int (pika_value_array_index (args, n_args++),
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n_items);
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if (items_list)
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{
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GList *iter;
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gint i;
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items = g_new (PikaItem *, n_items);
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for (iter = items_list, i = 0; iter; iter = iter->next, i++)
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items[i] = iter->data;
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}
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pika_value_set_object_array (pika_value_array_index (args, n_args++),
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PIKA_TYPE_ITEM,
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(GObject **) items, n_items);
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g_free (items);
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}
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}
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}
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if (n_args)
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pika_value_array_truncate (args, n_args);
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return args;
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}
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PikaValueArray *
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procedure_commands_get_display_args (PikaProcedure *procedure,
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PikaDisplay *display,
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PikaObject *settings)
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{
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PikaValueArray *args;
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gint n_args = 0;
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args = pika_procedure_get_arguments (procedure);
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/* initialize the first argument */
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if (pika_value_array_length (args) > n_args &&
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PIKA_IS_PARAM_SPEC_RUN_MODE (procedure->args[n_args]))
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{
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g_value_set_enum (pika_value_array_index (args, n_args),
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PIKA_RUN_INTERACTIVE);
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n_args++;
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}
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if (pika_value_array_length (args) > n_args &&
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PIKA_IS_PARAM_SPEC_DISPLAY (procedure->args[n_args]))
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{
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if (display)
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{
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g_value_set_object (pika_value_array_index (args, n_args), display);
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n_args++;
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}
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else
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{
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g_warning ("Uh-oh, no active display for the plug-in!");
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pika_value_array_unref (args);
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return NULL;
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}
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}
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if (pika_value_array_length (args) > n_args &&
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PIKA_IS_PARAM_SPEC_IMAGE (procedure->args[n_args]))
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{
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PikaImage *image = display ? pika_display_get_image (display) : NULL;
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if (image)
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{
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GList *drawables_list = pika_image_get_selected_drawables (image);
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g_value_set_object (pika_value_array_index (args, n_args), image);
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n_args++;
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if (pika_value_array_length (args) > n_args &&
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PIKA_IS_PARAM_SPEC_DRAWABLE (procedure->args[n_args]))
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{
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if (drawables_list)
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{
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g_printerr ("%s: plug-in procedures expecting a single drawable are deprecated!\n",
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G_STRFUNC);
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g_value_set_object (pika_value_array_index (args, n_args),
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drawables_list->data);
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n_args++;
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}
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else
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{
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g_warning ("Uh-oh, no selected drawables for the plug-in!");
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pika_value_array_unref (args);
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g_list_free (drawables_list);
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return NULL;
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}
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}
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else if (pika_value_array_length (args) > n_args + 1 &&
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G_IS_PARAM_SPEC_INT (procedure->args[n_args]) &&
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PIKA_IS_PARAM_SPEC_OBJECT_ARRAY (procedure->args[n_args + 1]))
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{
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PikaDrawable **drawables = NULL;
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gint n_drawables;
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n_drawables = g_list_length (drawables_list);
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g_value_set_int (pika_value_array_index (args, n_args++),
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n_drawables);
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if (drawables_list)
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{
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GList *iter;
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gint i;
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drawables = g_new (PikaDrawable *, n_drawables);
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for (iter = drawables_list, i = 0; iter; iter = iter->next, i++)
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drawables[i] = iter->data;
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}
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pika_value_set_object_array (pika_value_array_index (args, n_args++),
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PIKA_TYPE_DRAWABLE,
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(GObject **) drawables, n_drawables);
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g_free (drawables);
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}
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g_list_free (drawables_list);
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}
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}
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if (pika_value_array_length (args) > n_args &&
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g_type_is_a (G_PARAM_SPEC_VALUE_TYPE (procedure->args[n_args]),
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PIKA_TYPE_OBJECT))
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{
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g_value_set_object (pika_value_array_index (args, n_args), settings);
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n_args++;
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}
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if (n_args)
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pika_value_array_truncate (args, n_args);
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return args;
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}
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gboolean
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procedure_commands_run_procedure (PikaProcedure *procedure,
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Pika *pika,
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PikaProgress *progress,
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PikaValueArray *args)
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{
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PikaValueArray *return_vals;
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GError *error = NULL;
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g_return_val_if_fail (PIKA_IS_PROCEDURE (procedure), FALSE);
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g_return_val_if_fail (PIKA_IS_PIKA (pika), FALSE);
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g_return_val_if_fail (progress == NULL || PIKA_IS_PROGRESS (progress), FALSE);
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g_return_val_if_fail (args != NULL, FALSE);
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if (pika_value_array_length (args) > 0 &&
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PIKA_IS_PARAM_SPEC_RUN_MODE (procedure->args[0]))
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g_value_set_enum (pika_value_array_index (args, 0),
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PIKA_RUN_NONINTERACTIVE);
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return_vals = pika_procedure_execute (procedure, pika,
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pika_get_user_context (pika),
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progress, args,
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&error);
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pika_value_array_unref (return_vals);
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if (error)
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{
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pika_message_literal (pika,
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G_OBJECT (progress), PIKA_MESSAGE_ERROR,
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error->message);
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g_clear_error (&error);
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return FALSE;
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}
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return TRUE;
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}
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gboolean
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procedure_commands_run_procedure_async (PikaProcedure *procedure,
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Pika *pika,
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PikaProgress *progress,
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PikaRunMode run_mode,
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PikaValueArray *args,
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PikaDisplay *display)
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{
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GError *error = NULL;
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g_return_val_if_fail (PIKA_IS_PROCEDURE (procedure), FALSE);
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g_return_val_if_fail (PIKA_IS_PIKA (pika), FALSE);
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g_return_val_if_fail (progress == NULL || PIKA_IS_PROGRESS (progress), FALSE);
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g_return_val_if_fail (display == NULL || PIKA_IS_DISPLAY (display), FALSE);
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g_return_val_if_fail (args != NULL, FALSE);
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if (pika_value_array_length (args) > 0 &&
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PIKA_IS_PARAM_SPEC_RUN_MODE (procedure->args[0]))
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g_value_set_enum (pika_value_array_index (args, 0),
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run_mode);
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pika_procedure_execute_async (procedure, pika,
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pika_get_user_context (pika),
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progress, args,
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display, &error);
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if (error)
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{
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pika_message_literal (pika,
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G_OBJECT (progress), PIKA_MESSAGE_ERROR,
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error->message);
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g_clear_error (&error);
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return FALSE;
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}
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return TRUE;
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}
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