PIKApp/plug-ins/print/print-utils.c

152 lines
4.1 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 <libpika/pika.h>
#include "print-utils.h"
GKeyFile *
print_utils_key_file_load_from_rcfile (const gchar *basename)
{
GKeyFile *key_file;
gchar *filename;
g_return_val_if_fail (basename != NULL, NULL);
filename = g_build_filename (pika_directory (), basename, NULL);
key_file = g_key_file_new ();
if (! g_key_file_load_from_file (key_file, filename, G_KEY_FILE_NONE, NULL))
{
g_key_file_free (key_file);
key_file = NULL;
}
g_free (filename);
return key_file;
}
GKeyFile *
print_utils_key_file_load_from_parasite (PikaImage *image,
const gchar *parasite_name)
{
PikaParasite *parasite;
GKeyFile *key_file;
GError *error = NULL;
const gchar *parasite_data;
guint32 parasite_size;
g_return_val_if_fail (parasite_name != NULL, NULL);
parasite = pika_image_get_parasite (image, parasite_name);
if (! parasite)
return NULL;
key_file = g_key_file_new ();
parasite_data = pika_parasite_get_data (parasite, &parasite_size);
if (! g_key_file_load_from_data (key_file, parasite_data, parasite_size,
G_KEY_FILE_NONE, &error))
{
g_key_file_free (key_file);
pika_parasite_free (parasite);
g_warning ("Unable to create key file from image parasite '%s': %s",
parasite_name, error->message);
g_error_free (error);
return NULL;
}
pika_parasite_free (parasite);
return key_file;
}
void
print_utils_key_file_save_as_rcfile (GKeyFile *key_file,
const gchar *basename)
{
gchar *filename;
gchar *contents;
gsize length;
GError *error = NULL;
g_return_if_fail (basename != NULL);
contents = g_key_file_to_data (key_file, &length, &error);
if (! contents)
{
g_warning ("Unable to get contents of key file for '%s': %s",
basename, error->message);
g_error_free (error);
return;
}
filename = g_build_filename (pika_directory (), basename, NULL);
if (! g_file_set_contents (filename, contents, length, &error))
{
g_warning ("Unable to write settings to '%s': %s",
pika_filename_to_utf8 (filename), error->message);
g_error_free (error);
}
g_free (filename);
g_free (contents);
}
void
print_utils_key_file_save_as_parasite (GKeyFile *key_file,
PikaImage *image,
const gchar *parasite_name)
{
PikaParasite *parasite;
gchar *contents;
gsize length;
GError *error = NULL;
g_return_if_fail (parasite_name != NULL);
contents = g_key_file_to_data (key_file, &length, &error);
if (! contents)
{
g_warning ("Unable to get contents of key file for parasite '%s': %s",
parasite_name, error->message);
g_error_free (error);
return;
}
parasite = pika_parasite_new (parasite_name, 0, length, contents);
g_free (contents);
pika_image_attach_parasite (image, parasite);
pika_parasite_free (parasite);
}