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Initial checkin of Pika from heckimp

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2023-09-25 15:35:21 -07:00
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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 Spencer Kimball and Peter Mattis
*
* file-import.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 "core/core-types.h"
#include "config/pikacoreconfig.h"
#include "core/pika.h"
#include "core/pikacontext.h"
#include "core/pikaimage.h"
#include "core/pikaimage-color-profile.h"
#include "core/pikaimage-convert-precision.h"
#include "core/pikaimage-rotate.h"
#include "core/pikalayer.h"
#include "core/pikaprogress.h"
#include "text/pikatextlayer.h"
#include "file-import.h"
/* public functions */
void
file_import_image (PikaImage *image,
PikaContext *context,
GFile *file,
gboolean interactive,
PikaProgress *progress)
{
PikaCoreConfig *config;
g_return_if_fail (PIKA_IS_IMAGE (image));
g_return_if_fail (PIKA_IS_CONTEXT (context));
g_return_if_fail (G_IS_FILE (file));
g_return_if_fail (progress == NULL || PIKA_IS_PROGRESS (progress));
config = image->pika->config;
if (interactive && pika_image_get_base_type (image) != PIKA_INDEXED)
{
if (config->import_promote_float)
{
PikaPrecision old_precision = pika_image_get_precision (image);
if (old_precision != PIKA_PRECISION_FLOAT_LINEAR)
{
pika_image_convert_precision (image,
PIKA_PRECISION_FLOAT_LINEAR,
GEGL_DITHER_NONE,
GEGL_DITHER_NONE,
GEGL_DITHER_NONE,
progress);
if (config->import_promote_dither &&
old_precision == PIKA_PRECISION_U8_NON_LINEAR)
{
pika_image_convert_dither_u8 (image, progress);
}
}
}
if (config->import_add_alpha)
{
GList *layers = pika_image_get_layer_list (image);
GList *list;
for (list = layers; list; list = g_list_next (list))
{
if (! pika_viewable_get_children (list->data) &&
! pika_item_is_text_layer (list->data) &&
! pika_drawable_has_alpha (list->data))
{
pika_layer_add_alpha (list->data);
}
}
g_list_free (layers);
}
}
pika_image_import_color_profile (image, context, progress, interactive);
pika_image_import_rotation_metadata (image, context, progress, interactive);
/* Remember the import source */
pika_image_set_imported_file (image, file);
/* We shall treat this file as an Untitled file */
pika_image_set_file (image, NULL);
}

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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 Spencer Kimball and Peter Mattis
*
* file-import.h
*
* 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/>.
*/
#ifndef __FILE_IMPORT_H__
#define __FILE_IMPORT_H__
void file_import_image (PikaImage *image,
PikaContext *context,
GFile *file,
gboolean interactive,
PikaProgress *progress);
#endif /* __FILE_IMPORT_H__ */

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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-open.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 "gegl/pika-babl.h"
#include "core/pika.h"
#include "core/pikacontext.h"
#include "core/pikadocumentlist.h"
#include "core/pikaimage.h"
#include "core/pikaimage-merge.h"
#include "core/pikaimage-undo.h"
#include "core/pikaimagefile.h"
#include "core/pikalayer.h"
#include "core/pikaparamspecs.h"
#include "core/pikaprogress.h"
#include "pdb/pikapdb.h"
#include "plug-in/pikapluginmanager-file.h"
#include "plug-in/pikapluginprocedure.h"
#include "file-import.h"
#include "file-open.h"
#include "file-remote.h"
#include "pika-file.h"
#include "pika-intl.h"
static void file_open_sanitize_image (PikaImage *image,
gboolean as_new);
static void file_open_convert_items (PikaImage *dest_image,
const gchar *basename,
GList *items);
static GList * file_open_get_layers (PikaImage *image,
gboolean merge_visible,
gint *n_visible);
static gboolean file_open_file_proc_is_import (PikaPlugInProcedure *file_proc);
/* public functions */
PikaImage *
file_open_image (Pika *pika,
PikaContext *context,
PikaProgress *progress,
GFile *file,
gboolean as_new,
PikaPlugInProcedure *file_proc,
PikaRunMode run_mode,
PikaPDBStatusType *status,
const gchar **mime_type,
GError **error)
{
PikaValueArray *return_vals;
GFile *orig_file;
PikaImage *image = NULL;
GFile *local_file = NULL;
gboolean mounted = TRUE;
GError *my_error = NULL;
g_return_val_if_fail (PIKA_IS_PIKA (pika), NULL);
g_return_val_if_fail (PIKA_IS_CONTEXT (context), NULL);
g_return_val_if_fail (progress == NULL || PIKA_IS_PROGRESS (progress), NULL);
g_return_val_if_fail (G_IS_FILE (file), NULL);
g_return_val_if_fail (status != NULL, NULL);
g_return_val_if_fail (error == NULL || *error == NULL, NULL);
*status = PIKA_PDB_EXECUTION_ERROR;
orig_file = file;
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 download "
"the file: %s\n",
G_STRFUNC, my_error->message);
g_clear_error (&my_error);
mounted = FALSE;
}
else
{
*status = PIKA_PDB_CANCEL;
return NULL;
}
}
/* 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_READ,
G_FILE_QUERY_INFO_NONE,
NULL, error);
if (! info)
return NULL;
if (g_file_info_get_file_type (info) != G_FILE_TYPE_REGULAR)
{
g_set_error_literal (error, G_FILE_ERROR, G_FILE_ERROR_FAILED,
_("Not a regular file"));
g_object_unref (info);
return NULL;
}
if (! g_file_info_get_attribute_boolean (info,
G_FILE_ATTRIBUTE_ACCESS_CAN_READ))
{
g_set_error_literal (error, G_FILE_ERROR, G_FILE_ERROR_FAILED,
_("Permission denied"));
g_object_unref (info);
return NULL;
}
g_object_unref (info);
}
if (! file_proc)
file_proc = pika_plug_in_manager_file_procedure_find (pika->plug_in_manager,
PIKA_FILE_PROCEDURE_GROUP_OPEN,
file, error);
if (! file_proc || ! file_proc->handles_remote || ! mounted)
{
gchar *my_path = g_file_get_path (file);
if (! my_path)
{
g_clear_error (error);
local_file = file_remote_download_image (pika, file, progress,
&my_error);
if (! local_file)
{
if (my_error)
g_propagate_error (error, my_error);
else
*status = PIKA_PDB_CANCEL;
return NULL;
}
/* if we don't have a file proc yet, try again on the local
* file
*/
if (! file_proc)
file_proc = pika_plug_in_manager_file_procedure_find (pika->plug_in_manager,
PIKA_FILE_PROCEDURE_GROUP_OPEN,
local_file, error);
file = local_file;
}
g_free (my_path);
}
if (! file_proc)
{
if (local_file)
{
g_file_delete (local_file, NULL, NULL);
g_object_unref (local_file);
}
return NULL;
}
if (progress)
g_object_add_weak_pointer (G_OBJECT (progress), (gpointer) &progress);
return_vals =
pika_pdb_execute_procedure_by_name (pika->pdb,
context, progress, error,
pika_object_get_name (file_proc),
PIKA_TYPE_RUN_MODE, run_mode,
G_TYPE_FILE, file,
G_TYPE_NONE);
if (progress)
g_object_remove_weak_pointer (G_OBJECT (progress), (gpointer) &progress);
*status = g_value_get_enum (pika_value_array_index (return_vals, 0));
if (*status == PIKA_PDB_SUCCESS && ! file_proc->generic_file_proc)
image = g_value_get_object (pika_value_array_index (return_vals, 1));
/* set the file on all images, plug-ins are not required to do it
* any longer
*/
if (image)
pika_image_set_file (image, orig_file);
if (local_file)
{
g_file_delete (local_file, NULL, NULL);
g_object_unref (local_file);
}
if (*status == PIKA_PDB_SUCCESS)
{
if (image)
{
/* Only set the load procedure if it hasn't already been set. */
if (! pika_image_get_load_proc (image))
pika_image_set_load_proc (image, file_proc);
file_proc = pika_image_get_load_proc (image);
if (mime_type)
*mime_type = g_slist_nth_data (file_proc->mime_types_list, 0);
}
else if (! file_proc->generic_file_proc)
{
if (error && ! *error)
g_set_error (error, G_FILE_ERROR, G_FILE_ERROR_FAILED,
_("%s plug-in returned SUCCESS but did not "
"return an image"),
pika_procedure_get_label (PIKA_PROCEDURE (file_proc)));
*status = PIKA_PDB_EXECUTION_ERROR;
}
}
else if (*status != PIKA_PDB_CANCEL)
{
if (error && ! *error)
g_set_error (error, G_FILE_ERROR, G_FILE_ERROR_FAILED,
_("%s plug-in could not open image"),
pika_procedure_get_label (PIKA_PROCEDURE (file_proc)));
}
pika_value_array_unref (return_vals);
if (image)
{
pika_image_undo_disable (image);
if (file_open_file_proc_is_import (file_proc))
{
file_import_image (image, context, orig_file,
run_mode == PIKA_RUN_INTERACTIVE,
progress);
}
/* Enables undo again */
file_open_sanitize_image (image, as_new);
}
return image;
}
/**
* file_open_thumbnail:
* @pika:
* @context:
* @progress:
* @file: an image file
* @size: requested size of the thumbnail
* @mime_type: return location for image MIME type
* @image_width: return location for image width
* @image_height: return location for image height
* @format: return location for image format (set to NULL if unknown)
* @num_layers: return location for number of layers
* (set to -1 if the number of layers is not known)
* @error:
*
* Attempts to load a thumbnail by using a registered thumbnail loader.
*
* Returns: the thumbnail image
*/
PikaImage *
file_open_thumbnail (Pika *pika,
PikaContext *context,
PikaProgress *progress,
GFile *file,
gint size,
const gchar **mime_type,
gint *image_width,
gint *image_height,
const Babl **format,
gint *num_layers,
GError **error)
{
PikaPlugInProcedure *file_proc;
PikaProcedure *procedure;
g_return_val_if_fail (PIKA_IS_PIKA (pika), NULL);
g_return_val_if_fail (PIKA_IS_CONTEXT (context), NULL);
g_return_val_if_fail (progress == NULL || PIKA_IS_PROGRESS (progress), NULL);
g_return_val_if_fail (G_IS_FILE (file), NULL);
g_return_val_if_fail (mime_type != NULL, NULL);
g_return_val_if_fail (image_width != NULL, NULL);
g_return_val_if_fail (image_height != NULL, NULL);
g_return_val_if_fail (format != NULL, NULL);
g_return_val_if_fail (num_layers != NULL, NULL);
g_return_val_if_fail (error == NULL || *error == NULL, NULL);
*image_width = 0;
*image_height = 0;
*format = NULL;
*num_layers = -1;
file_proc = pika_plug_in_manager_file_procedure_find (pika->plug_in_manager,
PIKA_FILE_PROCEDURE_GROUP_OPEN,
file, NULL);
if (! file_proc || ! file_proc->thumb_loader)
return NULL;
procedure = pika_pdb_lookup_procedure (pika->pdb, file_proc->thumb_loader);
if (procedure && procedure->num_args >= 2 && procedure->num_values >= 1)
{
PikaPDBStatusType status;
PikaValueArray *return_vals;
PikaImage *image = NULL;
gchar *uri = NULL;
uri = g_file_get_uri (file);
return_vals =
pika_pdb_execute_procedure_by_name (pika->pdb,
context, progress, error,
pika_object_get_name (procedure),
G_TYPE_FILE, file,
G_TYPE_INT, size,
G_TYPE_NONE);
g_free (uri);
status = g_value_get_enum (pika_value_array_index (return_vals, 0));
if (status == PIKA_PDB_SUCCESS &&
PIKA_VALUE_HOLDS_IMAGE (pika_value_array_index (return_vals, 1)))
{
image = g_value_get_object (pika_value_array_index (return_vals, 1));
if (pika_value_array_length (return_vals) >= 3 &&
G_VALUE_HOLDS_INT (pika_value_array_index (return_vals, 2)) &&
G_VALUE_HOLDS_INT (pika_value_array_index (return_vals, 3)))
{
*image_width =
MAX (0, g_value_get_int (pika_value_array_index (return_vals, 2)));
*image_height =
MAX (0, g_value_get_int (pika_value_array_index (return_vals, 3)));
if (pika_value_array_length (return_vals) >= 5 &&
G_VALUE_HOLDS_INT (pika_value_array_index (return_vals, 4)))
{
gint value = g_value_get_int (pika_value_array_index (return_vals, 4));
switch (value)
{
case PIKA_RGB_IMAGE:
*format = pika_babl_format (PIKA_RGB,
PIKA_PRECISION_U8_NON_LINEAR,
FALSE, NULL);
break;
case PIKA_RGBA_IMAGE:
*format = pika_babl_format (PIKA_RGB,
PIKA_PRECISION_U8_NON_LINEAR,
TRUE, NULL);
break;
case PIKA_GRAY_IMAGE:
*format = pika_babl_format (PIKA_GRAY,
PIKA_PRECISION_U8_NON_LINEAR,
FALSE, NULL);
break;
case PIKA_GRAYA_IMAGE:
*format = pika_babl_format (PIKA_GRAY,
PIKA_PRECISION_U8_NON_LINEAR,
TRUE, NULL);
break;
case PIKA_INDEXED_IMAGE:
case PIKA_INDEXEDA_IMAGE:
{
const Babl *rgb;
const Babl *rgba;
babl_new_palette ("-pika-indexed-format-dummy",
&rgb, &rgba);
if (value == PIKA_INDEXED_IMAGE)
*format = rgb;
else
*format = rgba;
}
break;
default:
break;
}
}
if (pika_value_array_length (return_vals) >= 6 &&
G_VALUE_HOLDS_INT (pika_value_array_index (return_vals, 5)))
{
*num_layers =
MAX (0, g_value_get_int (pika_value_array_index (return_vals, 5)));
}
}
if (image)
{
file_open_sanitize_image (image, FALSE);
*mime_type = g_slist_nth_data (file_proc->mime_types_list, 0);
#ifdef PIKA_UNSTABLE
g_printerr ("opened thumbnail at %d x %d\n",
pika_image_get_width (image),
pika_image_get_height (image));
#endif
}
}
pika_value_array_unref (return_vals);
return image;
}
return NULL;
}
PikaImage *
file_open_with_display (Pika *pika,
PikaContext *context,
PikaProgress *progress,
GFile *file,
gboolean as_new,
GObject *monitor,
PikaPDBStatusType *status,
GError **error)
{
return file_open_with_proc_and_display (pika, context, progress,
file, as_new, NULL,
monitor,
status, error);
}
PikaImage *
file_open_with_proc_and_display (Pika *pika,
PikaContext *context,
PikaProgress *progress,
GFile *file,
gboolean as_new,
PikaPlugInProcedure *file_proc,
GObject *monitor,
PikaPDBStatusType *status,
GError **error)
{
PikaImage *image;
const gchar *mime_type = NULL;
PikaRunMode run_mode = PIKA_RUN_INTERACTIVE;
g_return_val_if_fail (PIKA_IS_PIKA (pika), NULL);
g_return_val_if_fail (PIKA_IS_CONTEXT (context), NULL);
g_return_val_if_fail (progress == NULL || PIKA_IS_PROGRESS (progress), NULL);
g_return_val_if_fail (G_IS_FILE (file), NULL);
g_return_val_if_fail (monitor == NULL || G_IS_OBJECT (monitor), NULL);
g_return_val_if_fail (status != NULL, NULL);
if (pika->no_interface)
run_mode = PIKA_RUN_NONINTERACTIVE;
image = file_open_image (pika, context, progress,
file,
as_new,
file_proc,
run_mode,
status,
&mime_type,
error);
if (image)
{
/* If the file was imported we want to set the layer name to the
* file name. For now, assume that multi-layered imported images
* have named the layers already, so only rename the layer of
* single-layered imported files. Note that this will also
* rename already named layers from e.g. single-layered PSD
* files. To solve this properly, we would need new file plug-in
* API.
*/
if (! file_proc)
file_proc = pika_image_get_load_proc (image);
if (file_open_file_proc_is_import (file_proc) &&
pika_image_get_n_layers (image) == 1)
{
PikaObject *layer = pika_image_get_layer_iter (image)->data;
gchar *basename;
basename = g_path_get_basename (pika_file_get_utf8_name (file));
pika_item_rename (PIKA_ITEM (layer), basename, NULL);
pika_image_undo_free (image);
pika_image_clean_all (image);
g_free (basename);
}
if (pika_create_display (image->pika, image, PIKA_UNIT_PIXEL, 1.0,
monitor))
{
/* the display owns the image now */
g_object_unref (image);
}
if (! as_new)
{
PikaDocumentList *documents = PIKA_DOCUMENT_LIST (pika->documents);
PikaImagefile *imagefile;
GFile *any_file;
imagefile = pika_document_list_add_file (documents, file, mime_type);
/* can only create a thumbnail if the passed file and the
* resulting image's file match. Use any_file() here so we
* create thumbnails for both XCF and imported images.
*/
any_file = pika_image_get_any_file (image);
if (any_file && g_file_equal (file, any_file))
{
/* no need to save a thumbnail if there's a good one already */
if (! pika_imagefile_check_thumbnail (imagefile))
{
pika_imagefile_save_thumbnail (imagefile, mime_type, image,
NULL);
}
}
}
/* announce that we opened this image */
pika_image_opened (image->pika, file);
}
return image;
}
GList *
file_open_layers (Pika *pika,
PikaContext *context,
PikaProgress *progress,
PikaImage *dest_image,
gboolean merge_visible,
GFile *file,
PikaRunMode run_mode,
PikaPlugInProcedure *file_proc,
PikaPDBStatusType *status,
GError **error)
{
PikaImage *new_image;
GList *layers = NULL;
const gchar *mime_type = NULL;
g_return_val_if_fail (PIKA_IS_PIKA (pika), NULL);
g_return_val_if_fail (PIKA_IS_CONTEXT (context), NULL);
g_return_val_if_fail (progress == NULL || PIKA_IS_PROGRESS (progress), NULL);
g_return_val_if_fail (PIKA_IS_IMAGE (dest_image), NULL);
g_return_val_if_fail (G_IS_FILE (file), NULL);
g_return_val_if_fail (status != NULL, NULL);
g_return_val_if_fail (error == NULL || *error == NULL, NULL);
new_image = file_open_image (pika, context, progress,
file, FALSE,
file_proc,
run_mode,
status, &mime_type, error);
if (new_image)
{
gint n_visible = 0;
pika_image_undo_disable (new_image);
layers = file_open_get_layers (new_image, merge_visible, &n_visible);
if (merge_visible && n_visible > 1)
{
g_list_free (layers);
layers = pika_image_merge_visible_layers (new_image, context,
PIKA_CLIP_TO_IMAGE,
FALSE, FALSE,
NULL);
layers = g_list_copy (layers);
}
if (layers)
{
gchar *basename;
basename = g_path_get_basename (pika_file_get_utf8_name (file));
file_open_convert_items (dest_image, basename, layers);
g_free (basename);
pika_document_list_add_file (PIKA_DOCUMENT_LIST (pika->documents),
file, mime_type);
}
else
{
g_set_error_literal (error, G_FILE_ERROR, G_FILE_ERROR_FAILED,
_("Image doesn't contain any layers"));
*status = PIKA_PDB_EXECUTION_ERROR;
}
g_object_unref (new_image);
}
return g_list_reverse (layers);
}
/* This function is called for filenames passed on the command-line
* or from the D-Bus service.
*/
gboolean
file_open_from_command_line (Pika *pika,
GFile *file,
gboolean as_new,
GObject *monitor)
{
PikaImage *image;
PikaDisplay *display;
PikaPDBStatusType status;
gboolean success = FALSE;
GError *error = NULL;
g_return_val_if_fail (PIKA_IS_PIKA (pika), FALSE);
g_return_val_if_fail (G_IS_FILE (file), FALSE);
g_return_val_if_fail (monitor == NULL || G_IS_OBJECT (monitor), FALSE);
display = pika_get_empty_display (pika);
/* show the progress in the last opened display, see bug #704896 */
if (! display)
display = pika_context_get_display (pika_get_user_context (pika));
if (display)
g_object_add_weak_pointer (G_OBJECT (display), (gpointer) &display);
image = file_open_with_display (pika,
pika_get_user_context (pika),
PIKA_PROGRESS (display),
file, as_new,
monitor,
&status, &error);
if (image)
{
success = TRUE;
g_object_set_data_full (G_OBJECT (pika), PIKA_FILE_OPEN_LAST_FILE_KEY,
g_object_ref (file),
(GDestroyNotify) g_object_unref);
}
else if (status != PIKA_PDB_SUCCESS && status != PIKA_PDB_CANCEL && display)
{
pika_message (pika, G_OBJECT (display), PIKA_MESSAGE_ERROR,
_("Opening '%s' failed: %s"),
pika_file_get_utf8_name (file), error->message);
g_clear_error (&error);
}
if (display)
g_object_remove_weak_pointer (G_OBJECT (display), (gpointer) &display);
return success;
}
/* private functions */
static void
file_open_sanitize_image (PikaImage *image,
gboolean as_new)
{
if (as_new)
pika_image_set_file (image, NULL);
/* clear all undo steps */
pika_image_undo_free (image);
/* make sure that undo is enabled */
while (! pika_image_undo_is_enabled (image))
pika_image_undo_thaw (image);
/* Set the image to clean. Note that export dirtiness is not set to
* clean here; we can only consider export clean after the first
* export
*/
pika_image_clean_all (image);
/* Make sure the projection is completely constructed from valid
* layers, this is needed in case something triggers projection or
* image preview creation before all layers are loaded, see bug #767663.
*/
pika_image_invalidate_all (image);
/* Make sure all image states are up-to-date */
pika_image_flush (image);
}
/* Converts items from one image to another */
static void
file_open_convert_items (PikaImage *dest_image,
const gchar *basename,
GList *items)
{
GList *list;
for (list = items; list; list = g_list_next (list))
{
PikaItem *src = list->data;
PikaItem *item;
item = pika_item_convert (src, dest_image, G_TYPE_FROM_INSTANCE (src));
if (g_list_length (items) == 1)
{
pika_object_set_name (PIKA_OBJECT (item), basename);
}
else
{
pika_object_set_name (PIKA_OBJECT (item),
pika_object_get_name (src));
}
list->data = item;
}
}
static GList *
file_open_get_layers (PikaImage *image,
gboolean merge_visible,
gint *n_visible)
{
GList *iter = NULL;
GList *layers = NULL;
for (iter = pika_image_get_layer_iter (image);
iter;
iter = g_list_next (iter))
{
PikaItem *item = iter->data;
if (! merge_visible)
layers = g_list_prepend (layers, item);
if (pika_item_get_visible (item))
{
if (n_visible)
(*n_visible)++;
if (! layers)
layers = g_list_prepend (layers, item);
}
}
return layers;
}
static gboolean
file_open_file_proc_is_import (PikaPlugInProcedure *file_proc)
{
return !(file_proc &&
file_proc->mime_types &&
strcmp (file_proc->mime_types, "image/x-xcf") == 0);
}

86
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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 Spencer Kimball and Peter Mattis
*
* file-open.h
*
* 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/>.
*/
#ifndef __FILE_OPEN_H__
#define __FILE_OPEN_H__
PikaImage * file_open_image (Pika *pika,
PikaContext *context,
PikaProgress *progress,
GFile *file,
gboolean as_new,
PikaPlugInProcedure *file_proc,
PikaRunMode run_mode,
PikaPDBStatusType *status,
const gchar **mime_type,
GError **error);
PikaImage * file_open_thumbnail (Pika *pika,
PikaContext *context,
PikaProgress *progress,
GFile *file,
gint size,
const gchar **mime_type,
gint *image_width,
gint *image_height,
const Babl **format,
gint *num_layers,
GError **error);
PikaImage * file_open_with_display (Pika *pika,
PikaContext *context,
PikaProgress *progress,
GFile *file,
gboolean as_new,
GObject *monitor,
PikaPDBStatusType *status,
GError **error);
PikaImage * file_open_with_proc_and_display (Pika *pika,
PikaContext *context,
PikaProgress *progress,
GFile *file,
gboolean as_new,
PikaPlugInProcedure *file_proc,
GObject *monitor,
PikaPDBStatusType *status,
GError **error);
GList * file_open_layers (Pika *pika,
PikaContext *context,
PikaProgress *progress,
PikaImage *dest_image,
gboolean merge_visible,
GFile *file,
PikaRunMode run_mode,
PikaPlugInProcedure *file_proc,
PikaPDBStatusType *status,
GError **error);
gboolean file_open_from_command_line (Pika *pika,
GFile *file,
gboolean as_new,
GObject *monitor);
#endif /* __FILE_OPEN_H__ */

405
app/file/file-remote.c Normal file
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@ -0,0 +1,405 @@
/* 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) 1995-1997 Spencer Kimball and Peter Mattis
*
* file-remote.c
* Copyright (C) 2014 Michael Natterer <mitch@gimp.org>
*
* Based on: URI plug-in, GIO/GVfs backend
* Copyright (C) 2008 Sven Neumann <sven@gimp.org>
*
* 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 <gdk-pixbuf/gdk-pixbuf.h>
#include "libpikabase/pikabase.h"
#include "core/core-types.h"
#include "core/pika.h"
#include "core/pikaprogress.h"
#include "file-remote.h"
#include "pika-intl.h"
typedef enum
{
DOWNLOAD,
UPLOAD
} RemoteCopyMode;
typedef struct
{
PikaProgress *progress;
GCancellable *cancellable;
gboolean cancel;
GMainLoop *main_loop;
GError *error;
} RemoteMount;
typedef struct
{
RemoteCopyMode mode;
PikaProgress *progress;
GCancellable *cancellable;
gboolean cancel;
gint64 last_time;
} RemoteProgress;
static void file_remote_mount_volume_ready (GFile *file,
GAsyncResult *result,
RemoteMount *mount);
static void file_remote_mount_file_cancel (PikaProgress *progress,
RemoteMount *mount);
static GFile * file_remote_get_temp_file (Pika *pika,
GFile *file);
static gboolean file_remote_copy_file (Pika *pika,
GFile *src_file,
GFile *dest_file,
RemoteCopyMode mode,
PikaProgress *progress,
GError **error);
static void file_remote_copy_file_cancel (PikaProgress *progress,
RemoteProgress *remote_progress);
static void file_remote_progress_callback (goffset current_num_bytes,
goffset total_num_bytes,
gpointer user_data);
/* public functions */
gboolean
file_remote_mount_file (Pika *pika,
GFile *file,
PikaProgress *progress,
GError **error)
{
GMountOperation *operation;
RemoteMount mount = { 0, };
g_return_val_if_fail (PIKA_IS_PIKA (pika), FALSE);
g_return_val_if_fail (G_IS_FILE (file), FALSE);
g_return_val_if_fail (progress == NULL || PIKA_IS_PROGRESS (progress), FALSE);
g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
mount.progress = progress;
mount.main_loop = g_main_loop_new (NULL, FALSE);
operation = pika_get_mount_operation (pika, progress);
if (progress)
{
pika_progress_start (progress, TRUE, _("Mounting remote volume"));
mount.cancellable = g_cancellable_new ();
g_signal_connect (progress, "cancel",
G_CALLBACK (file_remote_mount_file_cancel),
&mount);
}
g_file_mount_enclosing_volume (file, G_MOUNT_MOUNT_NONE,
operation, mount.cancellable,
(GAsyncReadyCallback) file_remote_mount_volume_ready,
&mount);
g_main_loop_run (mount.main_loop);
g_main_loop_unref (mount.main_loop);
if (progress)
{
g_signal_handlers_disconnect_by_func (progress,
file_remote_mount_file_cancel,
&mount);
g_object_unref (mount.cancellable);
pika_progress_end (progress);
}
g_object_unref (operation);
if (mount.error)
{
if (mount.error->domain != G_IO_ERROR ||
mount.error->code != G_IO_ERROR_ALREADY_MOUNTED)
{
g_propagate_error (error, mount.error);
return FALSE;
}
else
{
g_clear_error (&mount.error);
}
}
return TRUE;
}
GFile *
file_remote_download_image (Pika *pika,
GFile *file,
PikaProgress *progress,
GError **error)
{
GFile *local_file;
g_return_val_if_fail (PIKA_IS_PIKA (pika), NULL);
g_return_val_if_fail (G_IS_FILE (file), NULL);
g_return_val_if_fail (progress == NULL || PIKA_IS_PROGRESS (progress), NULL);
g_return_val_if_fail (error == NULL || *error == NULL, NULL);
local_file = file_remote_get_temp_file (pika, file);
if (! file_remote_copy_file (pika, file, local_file, DOWNLOAD,
progress, error))
{
g_object_unref (local_file);
return NULL;
}
return local_file;
}
GFile *
file_remote_upload_image_prepare (Pika *pika,
GFile *file,
PikaProgress *progress,
GError **error)
{
GFile *local_file;
g_return_val_if_fail (PIKA_IS_PIKA (pika), NULL);
g_return_val_if_fail (G_IS_FILE (file), NULL);
g_return_val_if_fail (progress == NULL || PIKA_IS_PROGRESS (progress), NULL);
g_return_val_if_fail (error == NULL || *error == NULL, NULL);
local_file = file_remote_get_temp_file (pika, file);
return local_file;
}
gboolean
file_remote_upload_image_finish (Pika *pika,
GFile *file,
GFile *local_file,
PikaProgress *progress,
GError **error)
{
g_return_val_if_fail (PIKA_IS_PIKA (pika), FALSE);
g_return_val_if_fail (G_IS_FILE (file), FALSE);
g_return_val_if_fail (G_IS_FILE (local_file), FALSE);
g_return_val_if_fail (progress == NULL || PIKA_IS_PROGRESS (progress), FALSE);
g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
if (! file_remote_copy_file (pika, local_file, file, UPLOAD,
progress, error))
{
return FALSE;
}
return TRUE;
}
/* private functions */
static void
file_remote_mount_volume_ready (GFile *file,
GAsyncResult *result,
RemoteMount *mount)
{
g_file_mount_enclosing_volume_finish (file, result, &mount->error);
g_main_loop_quit (mount->main_loop);
}
static void
file_remote_mount_file_cancel (PikaProgress *progress,
RemoteMount *mount)
{
mount->cancel = TRUE;
g_cancellable_cancel (mount->cancellable);
}
static GFile *
file_remote_get_temp_file (Pika *pika,
GFile *file)
{
gchar *basename;
GFile *temp_file = NULL;
basename = g_path_get_basename (pika_file_get_utf8_name (file));
if (basename)
{
const gchar *ext = strchr (basename, '.');
if (ext && strlen (ext))
temp_file = pika_get_temp_file (pika, ext + 1);
g_free (basename);
}
if (! temp_file)
temp_file = pika_get_temp_file (pika, "xxx");
return temp_file;
}
static gboolean
file_remote_copy_file (Pika *pika,
GFile *src_file,
GFile *dest_file,
RemoteCopyMode mode,
PikaProgress *progress,
GError **error)
{
RemoteProgress remote_progress = { 0, };
gboolean success;
GError *my_error = NULL;
remote_progress.mode = mode;
remote_progress.progress = progress;
if (progress)
{
pika_progress_start (progress, TRUE, _("Opening remote file"));
remote_progress.cancellable = g_cancellable_new ();
g_signal_connect (progress, "cancel",
G_CALLBACK (file_remote_copy_file_cancel),
&remote_progress);
success = g_file_copy (src_file, dest_file, G_FILE_COPY_OVERWRITE,
remote_progress.cancellable,
file_remote_progress_callback, &remote_progress,
&my_error);
g_signal_handlers_disconnect_by_func (progress,
file_remote_copy_file_cancel,
&remote_progress);
g_object_unref (remote_progress.cancellable);
pika_progress_set_value (progress, 1.0);
pika_progress_end (progress);
}
else
{
success = g_file_copy (src_file, dest_file, G_FILE_COPY_OVERWRITE,
NULL, NULL, NULL,
&my_error);
}
return success;
}
static void
file_remote_copy_file_cancel (PikaProgress *progress,
RemoteProgress *remote_progress)
{
remote_progress->cancel = TRUE;
g_cancellable_cancel (remote_progress->cancellable);
}
static void
file_remote_progress_callback (goffset current_num_bytes,
goffset total_num_bytes,
gpointer user_data)
{
RemoteProgress *progress = user_data;
gint64 now;
/* update the progress only up to 10 times a second */
now = g_get_monotonic_time ();
if ((now - progress->last_time) / 1000 < 100)
return;
progress->last_time = now;
if (total_num_bytes > 0)
{
const gchar *format;
gchar *done = g_format_size (current_num_bytes);
gchar *total = g_format_size (total_num_bytes);
switch (progress->mode)
{
case DOWNLOAD:
format = _("Downloading image (%s of %s)");
break;
case UPLOAD:
format = _("Uploading image (%s of %s)");
break;
default:
pika_assert_not_reached ();
}
pika_progress_set_text (progress->progress, format, done, total);
g_free (total);
g_free (done);
pika_progress_set_value (progress->progress,
(gdouble) current_num_bytes /
(gdouble) total_num_bytes);
}
else
{
const gchar *format;
gchar *done = g_format_size (current_num_bytes);
switch (progress->mode)
{
case DOWNLOAD:
format = _("Downloaded %s of image data");
break;
case UPLOAD:
format = _("Uploaded %s of image data");
break;
default:
pika_assert_not_reached ();
}
pika_progress_set_text (progress->progress, format, done);
g_free (done);
pika_progress_pulse (progress->progress);
}
while (! progress->cancel && g_main_context_pending (NULL))
g_main_context_iteration (NULL, FALSE);
}

52
app/file/file-remote.h Normal file
View File

@ -0,0 +1,52 @@
/* 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) 1995-1997 Spencer Kimball and Peter Mattis
*
* file-remote.h
* Copyright (C) 2014 Michael Natterer <mitch@gimp.org>
*
* Based on: URI plug-in, GIO/GVfs backend
* Copyright (C) 2008 Sven Neumann <sven@gimp.org>
*
* 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/>.
*/
#ifndef __FILE_REMOTE_H__
#define __FILE_REMOTE_H__
gboolean file_remote_mount_file (Pika *pika,
GFile *file,
PikaProgress *progress,
GError **error);
GFile * file_remote_download_image (Pika *pika,
GFile *file,
PikaProgress *progress,
GError **error);
GFile * file_remote_upload_image_prepare (Pika *pika,
GFile *file,
PikaProgress *progress,
GError **error);
gboolean file_remote_upload_image_finish (Pika *pika,
GFile *file,
GFile *local_file,
PikaProgress *progress,
GError **error);
#endif /* __FILE_REMOTE_H__ */

323
app/file/file-save.c Normal file
View File

@ -0,0 +1,323 @@
/* 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_file_type (info) != 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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/* 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
*
* file-save.h
*
* 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/>.
*/
#ifndef __FILE_SAVE_H__
#define __FILE_SAVE_H__
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);
#endif /* __FILE_SAVE_H__ */

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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-utils.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 <string.h>
#include <gegl.h>
#include <gdk-pixbuf/gdk-pixbuf.h>
#include "libpikabase/pikabase.h"
#include "libpikamath/pikamath.h"
#include "libpikathumb/pikathumb.h"
#include "core/core-types.h"
#include "core/pika.h"
#include "core/pikaimage.h"
#include "core/pikaimagefile.h"
#include "plug-in/pikapluginmanager-file.h"
#include "file-utils.h"
#include "pika-intl.h"
static gboolean
file_utils_filename_is_uri (const gchar *filename,
GError **error)
{
g_return_val_if_fail (filename != NULL, FALSE);
g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
if (strstr (filename, "://"))
{
gchar *scheme;
gchar *canon;
scheme = g_strndup (filename, (strstr (filename, "://") - filename));
canon = g_strdup (scheme);
g_strcanon (canon, G_CSET_A_2_Z G_CSET_a_2_z G_CSET_DIGITS "+-.", '-');
if (strcmp (scheme, canon) || ! g_ascii_isgraph (canon[0]))
{
g_set_error (error, G_FILE_ERROR, 0,
_("'%s:' is not a valid URI scheme"), scheme);
g_free (scheme);
g_free (canon);
return FALSE;
}
g_free (scheme);
g_free (canon);
if (! g_utf8_validate (filename, -1, NULL))
{
g_set_error_literal (error,
G_CONVERT_ERROR,
G_CONVERT_ERROR_ILLEGAL_SEQUENCE,
_("Invalid character sequence in URI"));
return FALSE;
}
return TRUE;
}
return FALSE;
}
GFile *
file_utils_filename_to_file (Pika *pika,
const gchar *filename,
GError **error)
{
GFile *file;
gchar *absolute;
GError *temp_error = NULL;
g_return_val_if_fail (PIKA_IS_PIKA (pika), NULL);
g_return_val_if_fail (filename != NULL, NULL);
g_return_val_if_fail (error == NULL || *error == NULL, NULL);
file = g_file_new_for_uri (filename);
if (! file)
{
/* Despite the docs says it never fails, it actually can on Windows.
* See issue #3093 (and glib#1819).
*/
g_set_error_literal (error,
G_CONVERT_ERROR,
G_CONVERT_ERROR_ILLEGAL_SEQUENCE,
_("Invalid character sequence in URI"));
return NULL;
}
/* check for prefixes like http or ftp */
if (pika_plug_in_manager_file_procedure_find_by_prefix (pika->plug_in_manager,
PIKA_FILE_PROCEDURE_GROUP_OPEN,
file))
{
if (g_utf8_validate (filename, -1, NULL))
{
return file;
}
else
{
g_set_error_literal (error,
G_CONVERT_ERROR,
G_CONVERT_ERROR_ILLEGAL_SEQUENCE,
_("Invalid character sequence in URI"));
return NULL;
}
}
else if (file_utils_filename_is_uri (filename, &temp_error))
{
return file;
}
else if (temp_error)
{
g_propagate_error (error, temp_error);
g_object_unref (file);
return NULL;
}
g_object_unref (file);
if (! g_path_is_absolute (filename))
{
gchar *current;
current = g_get_current_dir ();
absolute = g_build_filename (current, filename, NULL);
g_free (current);
}
else
{
absolute = g_strdup (filename);
}
file = g_file_new_for_path (absolute);
g_free (absolute);
return file;
}
GdkPixbuf *
file_utils_load_thumbnail (GFile *file)
{
PikaThumbnail *thumbnail = NULL;
GdkPixbuf *pixbuf = NULL;
gchar *uri;
g_return_val_if_fail (G_IS_FILE (file), NULL);
uri = g_file_get_uri (file);
thumbnail = pika_thumbnail_new ();
pika_thumbnail_set_uri (thumbnail, uri);
g_free (uri);
pixbuf = pika_thumbnail_load_thumb (thumbnail,
(PikaThumbSize) PIKA_THUMBNAIL_SIZE_NORMAL,
NULL);
if (pixbuf)
{
gint width = gdk_pixbuf_get_width (pixbuf);
gint height = gdk_pixbuf_get_height (pixbuf);
if (gdk_pixbuf_get_n_channels (pixbuf) != 3)
{
GdkPixbuf *tmp = gdk_pixbuf_new (GDK_COLORSPACE_RGB, FALSE, 8,
width, height);
gdk_pixbuf_composite_color (pixbuf, tmp,
0, 0, width, height, 0, 0, 1.0, 1.0,
GDK_INTERP_NEAREST, 255,
0, 0, PIKA_CHECK_SIZE_SM,
0x66666666, 0x99999999);
g_object_unref (pixbuf);
pixbuf = tmp;
}
}
return pixbuf;
}
gboolean
file_utils_save_thumbnail (PikaImage *image,
GFile *file)
{
GFile *image_file;
gboolean success = FALSE;
g_return_val_if_fail (PIKA_IS_IMAGE (image), FALSE);
g_return_val_if_fail (G_IS_FILE (file), FALSE);
image_file = pika_image_get_file (image);
if (image_file)
{
gchar *image_uri = g_file_get_uri (image_file);
gchar *uri = g_file_get_uri (file);
if (uri && image_uri && ! strcmp (uri, image_uri))
{
PikaImagefile *imagefile;
imagefile = pika_imagefile_new (image->pika, file);
success = pika_imagefile_save_thumbnail (imagefile, NULL, image,
NULL);
g_object_unref (imagefile);
}
g_free (image_uri);
g_free (uri);
}
return success;
}

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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 Spencer Kimball and Peter Mattis
*
* file-utils.h
*
* 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/>.
*/
#ifndef __FILE_UTILS_H__
#define __FILE_UTILS_H__
GFile * file_utils_filename_to_file (Pika *pika,
const gchar *filename,
GError **error);
GdkPixbuf * file_utils_load_thumbnail (GFile *file);
gboolean file_utils_save_thumbnail (PikaImage *image,
GFile *file);
#endif /* __FILE_UTILS_H__ */

16
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libappfile_sources = [
'file-import.c',
'file-open.c',
'file-remote.c',
'file-save.c',
'file-utils.c',
]
libappfile = static_library('appfile',
libappfile_sources,
include_directories: [ rootInclude, rootAppInclude, ],
c_args: '-DG_LOG_DOMAIN="Pika-File"',
dependencies: [
gegl, gdk_pixbuf,
],
)

34
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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 Spencer Kimball and Peter Mattis
*
* pika-file.h
* Copyright (C) 2009 Martin Nordholts <martinn@src.gnome.org>
*
* 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/>.
*/
#ifndef __PIKA_FILE_H__
#define __PIKA_FILE_H__
/* Data keys for Pika */
#define PIKA_FILE_OPEN_LAST_FILE_KEY "pika-file-open-last-file"
#define PIKA_FILE_SAVE_LAST_FILE_KEY "pika-file-save-last-file"
#define PIKA_FILE_EXPORT_LAST_FILE_KEY "pika-file-export-last-file"
#endif /* __PIKA_FILE_H__ */