PIKApp/app/actions/filters-commands.c

294 lines
8.9 KiB
C

/* PIKA - Photo and Image Kooker Application
* a rebranding of The GNU Image Manipulation Program (created with heckimp)
* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
*
* Original copyright, applying to most contents (license remains unchanged):
* 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/>.
*/
#include "config.h"
#include <string.h>
#include <gegl.h>
#include <gtk/gtk.h>
#include "libpikabase/pikabase.h"
#include "libpikaconfig/pikaconfig.h"
#include "libpikawidgets/pikawidgets.h"
#include "actions-types.h"
#include "operations/pika-operation-config.h"
#include "operations/pikaoperationsettings.h"
#include "core/pika.h"
#include "core/pika-filter-history.h"
#include "core/pikaimage.h"
#include "core/pikaprogress.h"
#include "widgets/pikaaction.h"
#include "actions.h"
#include "filters-commands.h"
#include "pikageglprocedure.h"
#include "procedure-commands.h"
/* local function prototypes */
static gchar * filters_parse_operation (Pika *pika,
const gchar *operation_str,
const gchar *icon_name,
PikaObject **settings);
static void filters_run_procedure (Pika *pika,
PikaDisplay *display,
PikaProcedure *procedure,
PikaRunMode run_mode);
/* public functions */
void
filters_apply_cmd_callback (PikaAction *action,
GVariant *value,
gpointer data)
{
PikaImage *image;
GList *drawables;
gchar *operation;
PikaObject *settings;
PikaProcedure *procedure;
GVariant *variant;
return_if_no_drawables (image, drawables, data);
if (g_list_length (drawables) != 1)
{
/* We only support running filters on single drawable for now. */
g_list_free (drawables);
return;
}
operation = filters_parse_operation (image->pika,
g_variant_get_string (value, NULL),
pika_action_get_icon_name (action),
&settings);
procedure = pika_gegl_procedure_new (image->pika,
PIKA_RUN_NONINTERACTIVE, settings,
operation,
pika_action_get_name (action),
pika_action_get_label (action),
pika_action_get_tooltip (action),
pika_action_get_icon_name (action),
pika_action_get_help_id (action));
g_free (operation);
if (settings)
g_object_unref (settings);
pika_filter_history_add (image->pika, procedure);
variant = g_variant_new_uint64 (GPOINTER_TO_SIZE (procedure));
g_variant_take_ref (variant);
filters_history_cmd_callback (NULL, variant, data);
g_variant_unref (variant);
g_object_unref (procedure);
g_list_free (drawables);
}
void
filters_apply_interactive_cmd_callback (PikaAction *action,
GVariant *value,
gpointer data)
{
PikaImage *image;
GList *drawables;
PikaProcedure *procedure;
GVariant *variant;
return_if_no_drawables (image, drawables, data);
if (g_list_length (drawables) != 1)
{
/* We only support running filters on single drawable for now. */
g_list_free (drawables);
return;
}
procedure = pika_gegl_procedure_new (image->pika,
PIKA_RUN_INTERACTIVE, NULL,
g_variant_get_string (value, NULL),
pika_action_get_name (action),
pika_action_get_label (action),
pika_action_get_tooltip (action),
pika_action_get_icon_name (action),
pika_action_get_help_id (action));
pika_filter_history_add (image->pika, procedure);
variant = g_variant_new_uint64 (GPOINTER_TO_SIZE (procedure));
g_variant_take_ref (variant);
filters_history_cmd_callback (NULL, variant, data);
g_variant_unref (variant);
g_object_unref (procedure);
g_list_free (drawables);
}
void
filters_repeat_cmd_callback (PikaAction *action,
GVariant *value,
gpointer data)
{
Pika *pika;
PikaDisplay *display;
PikaProcedure *procedure;
PikaRunMode run_mode;
return_if_no_pika (pika, data);
return_if_no_display (display, data);
run_mode = (PikaRunMode) g_variant_get_int32 (value);
procedure = pika_filter_history_nth (pika, 0);
if (procedure)
filters_run_procedure (pika, display, procedure, run_mode);
}
void
filters_history_cmd_callback (PikaAction *action,
GVariant *value,
gpointer data)
{
Pika *pika;
PikaDisplay *display;
PikaProcedure *procedure;
gsize hack;
return_if_no_pika (pika, data);
return_if_no_display (display, data);
hack = g_variant_get_uint64 (value);
procedure = GSIZE_TO_POINTER (hack);
filters_run_procedure (pika, display, procedure, PIKA_RUN_INTERACTIVE);
}
/* private functions */
static gchar *
filters_parse_operation (Pika *pika,
const gchar *operation_str,
const gchar *icon_name,
PikaObject **settings)
{
const gchar *newline = strchr (operation_str, '\n');
*settings = NULL;
if (newline)
{
gchar *operation;
const gchar *serialized;
operation = g_strndup (operation_str, newline - operation_str);
serialized = newline + 1;
if (*serialized)
{
GError *error = NULL;
*settings =
g_object_new (pika_operation_config_get_type (pika, operation,
icon_name,
PIKA_TYPE_OPERATION_SETTINGS),
NULL);
if (! pika_config_deserialize_string (PIKA_CONFIG (*settings),
serialized, -1, NULL,
&error))
{
g_warning ("filters_parse_operation: deserializing hardcoded "
"operation settings failed: %s",
error->message);
g_clear_error (&error);
g_object_unref (*settings);
*settings = NULL;
}
}
return operation;
}
return g_strdup (operation_str);
}
static void
filters_run_procedure (Pika *pika,
PikaDisplay *display,
PikaProcedure *procedure,
PikaRunMode run_mode)
{
PikaObject *settings = NULL;
PikaValueArray *args;
if (PIKA_IS_GEGL_PROCEDURE (procedure))
{
PikaGeglProcedure *gegl_procedure = PIKA_GEGL_PROCEDURE (procedure);
if (gegl_procedure->default_run_mode == PIKA_RUN_NONINTERACTIVE)
run_mode = PIKA_RUN_NONINTERACTIVE;
settings = gegl_procedure->default_settings;
}
args = procedure_commands_get_display_args (procedure, display, settings);
if (args)
{
gboolean success = FALSE;
if (run_mode == PIKA_RUN_NONINTERACTIVE)
{
success =
procedure_commands_run_procedure (procedure, pika,
PIKA_PROGRESS (display),
args);
}
else
{
success =
procedure_commands_run_procedure_async (procedure, pika,
PIKA_PROGRESS (display),
run_mode, args,
display);
}
if (success)
pika_filter_history_add (pika, procedure);
pika_value_array_unref (args);
}
}