AlderconeStudio/PIKApp
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PIKApp/app/file/file-save.c

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/* 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, 1996, 1997 Spencer Kimball and Peter Mattis
* Copyright (C) 1997 Josh MacDonald
*
* file-save.c
*
* 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 <gdk-pixbuf/gdk-pixbuf.h>
#include <gegl.h>
#include "libpikabase/pikabase.h"
#include "core/core-types.h"
#include "config/pikacoreconfig.h"
#include "core/pika.h"
#include "core/pikacontext.h"
#include "core/pikadocumentlist.h"
#include "core/pikadrawable.h"
#include "core/pikaimage.h"
#include "core/pikaimagefile.h"
#include "core/pikaparamspecs.h"
#include "core/pikaprogress.h"
#include "pdb/pikapdb.h"
#include "plug-in/pikapluginprocedure.h"
#include "file-remote.h"
#include "file-save.h"
#include "pika-file.h"
#include "pika-intl.h"
/* public functions */
PikaPDBStatusType
file_save (Pika *pika,
PikaImage *image,
PikaProgress *progress,
GFile *file,
PikaPlugInProcedure *file_proc,
PikaRunMode run_mode,
gboolean change_saved_state,
gboolean export_backward,
gboolean export_forward,
GError **error)
{
PikaValueArray *return_vals;
GFile *orig_file;
PikaPDBStatusType status = PIKA_PDB_EXECUTION_ERROR;
GFile *local_file = NULL;
gboolean mounted = TRUE;
GError *my_error = NULL;
GList *drawables_list;
PikaDrawable **drawables = NULL;
gint n_drawables;
g_return_val_if_fail (PIKA_IS_PIKA (pika), PIKA_PDB_CALLING_ERROR);
g_return_val_if_fail (PIKA_IS_IMAGE (image), PIKA_PDB_CALLING_ERROR);
g_return_val_if_fail (progress == NULL || PIKA_IS_PROGRESS (progress),
PIKA_PDB_CALLING_ERROR);
g_return_val_if_fail (G_IS_FILE (file), PIKA_PDB_CALLING_ERROR);
g_return_val_if_fail (PIKA_IS_PLUG_IN_PROCEDURE (file_proc),
PIKA_PDB_CALLING_ERROR);
g_return_val_if_fail ((export_backward && export_forward) == FALSE,
PIKA_PDB_CALLING_ERROR);
g_return_val_if_fail (error == NULL || *error == NULL,
PIKA_PDB_CALLING_ERROR);
orig_file = file;
/* ref image and file, so they can't get deleted during save */
g_object_ref (image);
g_object_ref (orig_file);
pika_image_saving (image);
drawables_list = pika_image_get_selected_drawables (image);
if (drawables_list)
{
GList *iter;
gint i;
n_drawables = g_list_length (drawables_list);
drawables = g_new (PikaDrawable *, n_drawables);
for (iter = drawables_list, i = 0; iter; iter = iter->next, i++)
drawables[i] = iter->data;
g_list_free (drawables_list);
}
else
{
g_set_error_literal (error, G_FILE_ERROR, G_FILE_ERROR_FAILED,
_("There is no active layer to save"));
goto out;
}
/* FIXME enable these tests for remote files again, needs testing */
if (g_file_is_native (file) &&
g_file_query_exists (file, NULL))
{
GFileInfo *info;
info = g_file_query_info (file,
G_FILE_ATTRIBUTE_STANDARD_TYPE ","
G_FILE_ATTRIBUTE_ACCESS_CAN_WRITE,
G_FILE_QUERY_INFO_NONE,
NULL, error);
if (! info)
{
/* extra paranoia */
if (error && ! *error)
g_set_error_literal (error, G_FILE_ERROR, G_FILE_ERROR_FAILED,
_("Failed to get file information"));
goto out;
}
if (g_file_info_get_attribute_uint32 (info, G_FILE_ATTRIBUTE_STANDARD_TYPE) != G_FILE_TYPE_REGULAR)
{
g_set_error_literal (error, G_FILE_ERROR, G_FILE_ERROR_FAILED,
_("Not a regular file"));
g_object_unref (info);
goto out;
}
if (! g_file_info_get_attribute_boolean (info,
G_FILE_ATTRIBUTE_ACCESS_CAN_WRITE))
{
g_set_error_literal (error, G_FILE_ERROR, G_FILE_ERROR_FAILED,
_("Permission denied"));
g_object_unref (info);
goto out;
}
g_object_unref (info);
}
if (! g_file_is_native (file) &&
! file_remote_mount_file (pika, file, progress, &my_error))
{
if (my_error)
{
g_printerr ("%s: mounting remote volume failed, trying to upload "
"the file: %s\n",
G_STRFUNC, my_error->message);
g_clear_error (&my_error);
mounted = FALSE;
}
else
{
status = PIKA_PDB_CANCEL;
goto out;
}
}
if (! file_proc->handles_remote || ! mounted)
{
gchar *my_path = g_file_get_path (file);
if (! my_path)
{
local_file = file_remote_upload_image_prepare (pika, file, progress,
&my_error);
if (! local_file)
{
if (my_error)
g_propagate_error (error, my_error);
else
status = PIKA_PDB_CANCEL;
goto out;
}
file = local_file;
}
g_free (my_path);
}
return_vals =
pika_pdb_execute_procedure_by_name (image->pika->pdb,
pika_get_user_context (pika),
progress, error,
pika_object_get_name (file_proc),
PIKA_TYPE_RUN_MODE, run_mode,
PIKA_TYPE_IMAGE, image,
G_TYPE_INT, n_drawables,
PIKA_TYPE_OBJECT_ARRAY, drawables,
G_TYPE_FILE, file,
G_TYPE_NONE);
status = g_value_get_enum (pika_value_array_index (return_vals, 0));
pika_value_array_unref (return_vals);
g_clear_pointer (&drawables, g_free);
if (local_file)
{
if (status == PIKA_PDB_SUCCESS)
{
GError *my_error = NULL;
if (! file_remote_upload_image_finish (pika, orig_file, local_file,
progress, &my_error))
{
status = PIKA_PDB_EXECUTION_ERROR;
if (my_error)
g_propagate_error (error, my_error);
else
status = PIKA_PDB_CANCEL;
}
}
g_file_delete (local_file, NULL, NULL);
g_object_unref (local_file);
}
if (status == PIKA_PDB_SUCCESS)
{
PikaDocumentList *documents;
PikaImagefile *imagefile;
if (change_saved_state)
{
pika_image_set_file (image, orig_file);
pika_image_set_save_proc (image, file_proc);
/* Forget the import source when we save. We interpret a
* save as that the user is not interested in being able
* to quickly export back to the original any longer
*/
pika_image_set_imported_file (image, NULL);
pika_image_clean_all (image);
}
else if (export_backward)
{
/* We exported the image back to its imported source,
* change nothing about export/import flags, only set
* the export state to clean
*/
pika_image_export_clean_all (image);
}
else if (export_forward)
{
/* Remember the last entered Export URI for the image. We
* only need to do this explicitly when exporting. It
* happens implicitly when saving since the PikaObject name
* of a PikaImage is the last-save URI
*/
pika_image_set_exported_file (image, orig_file);
pika_image_set_export_proc (image, file_proc);
/* An image can not be considered both exported and imported
* at the same time, so stop consider it as imported now
* that we consider it exported.
*/
pika_image_set_imported_file (image, NULL);
pika_image_export_clean_all (image);
}
if (export_backward || export_forward)
pika_image_exported (image, orig_file);
else
pika_image_saved (image, orig_file);
documents = PIKA_DOCUMENT_LIST (image->pika->documents);
imagefile = pika_document_list_add_file (documents, orig_file,
g_slist_nth_data (file_proc->mime_types_list, 0));
/* only save a thumbnail if we are saving as XCF, see bug #25272 */
if (PIKA_PROCEDURE (file_proc)->proc_type == PIKA_PDB_PROC_TYPE_INTERNAL)
pika_imagefile_save_thumbnail (imagefile,
g_slist_nth_data (file_proc->mime_types_list, 0),
image,
NULL);
}
else if (status != PIKA_PDB_CANCEL)
{
if (error && *error == NULL)
{
g_set_error (error, G_FILE_ERROR, G_FILE_ERROR_FAILED,
_("%s plug-in could not save image"),
pika_procedure_get_label (PIKA_PROCEDURE (file_proc)));
}
}
pika_image_flush (image);
out:
g_object_unref (orig_file);
g_object_unref (image);
return status;
}
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