PIKApp/plug-ins/file-icns/file-icns.c

296 lines
10 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) 1995-1999 Spencer Kimball and Peter Mattis
*
* file-icns.c
* Copyright (C) 2004 Brion Vibber <brion@pobox.com>
*
* 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 <stdlib.h>
#include <string.h>
#include <glib/gstdio.h>
#include <libpika/pika.h>
#include <libpika/pikaui.h>
/* #define ICNS_DBG */
#include "file-icns.h"
#include "file-icns-load.h"
#include "file-icns-save.h"
#include "libpika/stdplugins-intl.h"
#define LOAD_PROC "file-icns-load"
#define LOAD_THUMB_PROC "file-icns-load-thumb"
#define SAVE_PROC "file-icns-save"
typedef struct _Icns Icns;
typedef struct _IcnsClass IcnsClass;
struct _Icns
{
PikaPlugIn parent_instance;
};
struct _IcnsClass
{
PikaPlugInClass parent_class;
};
#define ICNS_TYPE (icns_get_type ())
#define ICNS (obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), ICNS_TYPE, Icns))
GType icns_get_type (void) G_GNUC_CONST;
static GList * icns_query_procedures (PikaPlugIn *plug_in);
static PikaProcedure * icns_create_procedure (PikaPlugIn *plug_in,
const gchar *name);
static PikaValueArray * icns_load (PikaProcedure *procedure,
PikaRunMode run_mode,
GFile *file,
const PikaValueArray *args,
gpointer run_data);
static PikaValueArray * icns_load_thumb (PikaProcedure *procedure,
GFile *file,
gint size,
const PikaValueArray *args,
gpointer run_data);
static PikaValueArray * icns_save (PikaProcedure *procedure,
PikaRunMode run_mode,
PikaImage *image,
gint n_drawables,
PikaDrawable **drawables,
GFile *file,
const PikaValueArray *args,
gpointer run_data);
G_DEFINE_TYPE (Icns, icns, PIKA_TYPE_PLUG_IN)
PIKA_MAIN (ICNS_TYPE)
DEFINE_STD_SET_I18N
static void
icns_class_init (IcnsClass *klass)
{
PikaPlugInClass *plug_in_class = PIKA_PLUG_IN_CLASS (klass);
plug_in_class->query_procedures = icns_query_procedures;
plug_in_class->create_procedure = icns_create_procedure;
plug_in_class->set_i18n = STD_SET_I18N;
}
static void
icns_init (Icns *icns)
{
}
static GList *
icns_query_procedures (PikaPlugIn *plug_in)
{
GList *list = NULL;
list = g_list_append (list, g_strdup (LOAD_THUMB_PROC));
list = g_list_append (list, g_strdup (LOAD_PROC));
list = g_list_append (list, g_strdup (SAVE_PROC));
return list;
}
static PikaProcedure *
icns_create_procedure (PikaPlugIn *plug_in,
const gchar *name)
{
PikaProcedure *procedure = NULL;
if (! strcmp (name, LOAD_PROC))
{
procedure = pika_load_procedure_new (plug_in, name,
PIKA_PDB_PROC_TYPE_PLUGIN,
icns_load, NULL, NULL);
pika_procedure_set_menu_label (procedure, N_("Icns"));
pika_procedure_set_documentation (procedure,
"Loads files in Apple Icon Image format",
"Loads Apple Icon Image files.",
name);
pika_procedure_set_attribution (procedure,
"Brion Vibber <brion@pobox.com>",
"Brion Vibber <brion@pobox.com>",
"2004");
pika_file_procedure_set_mime_types (PIKA_FILE_PROCEDURE (procedure),
"image/x-icns");
pika_file_procedure_set_extensions (PIKA_FILE_PROCEDURE (procedure),
"icns");
pika_file_procedure_set_magics (PIKA_FILE_PROCEDURE (procedure),
"0,string,\x69\x63\x6E\x73");
pika_load_procedure_set_thumbnail_loader (PIKA_LOAD_PROCEDURE (procedure),
LOAD_THUMB_PROC);
}
else if (! strcmp (name, LOAD_THUMB_PROC))
{
procedure = pika_thumbnail_procedure_new (plug_in, name,
PIKA_PDB_PROC_TYPE_PLUGIN,
icns_load_thumb, NULL, NULL);
pika_procedure_set_documentation (procedure,
"Loads a preview from an Apple Icon Image file",
"",
name);
pika_procedure_set_attribution (procedure,
"Brion Vibber <brion@pobox.com>",
"Brion Vibber <brion@pobox.com>",
"2004");
}
else if (! strcmp (name, SAVE_PROC))
{
procedure = pika_save_procedure_new (plug_in, name,
PIKA_PDB_PROC_TYPE_PLUGIN,
icns_save, NULL, NULL);
pika_procedure_set_image_types (procedure, "*");
pika_procedure_set_menu_label (procedure, _("Apple Icon Image"));
pika_procedure_set_icon_name (procedure, PIKA_ICON_BRUSH);
pika_procedure_set_documentation (procedure,
"Saves files in Apple Icon Image file format",
"Saves files in Apple Icon Image file format",
name);
pika_procedure_set_attribution (procedure,
"Brion Vibber <brion@pobox.com>",
"Brion Vibber <brion@pobox.com>",
"2004");
pika_file_procedure_set_mime_types (PIKA_FILE_PROCEDURE (procedure),
"image/x-icns");
pika_file_procedure_set_extensions (PIKA_FILE_PROCEDURE (procedure),
"icns");
}
return procedure;
}
static PikaValueArray *
icns_load (PikaProcedure *procedure,
PikaRunMode run_mode,
GFile *file,
const PikaValueArray *args,
gpointer run_data)
{
PikaValueArray *return_vals;
PikaImage *image;
GError *error = NULL;
gegl_init (NULL, NULL);
image = icns_load_image (file, NULL, &error);
if (! image)
return pika_procedure_new_return_values (procedure,
PIKA_PDB_EXECUTION_ERROR,
error);
return_vals = pika_procedure_new_return_values (procedure,
PIKA_PDB_SUCCESS,
NULL);
PIKA_VALUES_SET_IMAGE (return_vals, 1, image);
return return_vals;
}
static PikaValueArray *
icns_load_thumb (PikaProcedure *procedure,
GFile *file,
gint size,
const PikaValueArray *args,
gpointer run_data)
{
PikaValueArray *return_vals;
gint width;
gint height;
PikaImage *image;
GError *error = NULL;
gegl_init (NULL, NULL);
width = size;
height = size;
image = icns_load_thumbnail_image (file,
&width, &height, 0, &error);
if (! image)
return pika_procedure_new_return_values (procedure,
PIKA_PDB_EXECUTION_ERROR,
error);
return_vals = pika_procedure_new_return_values (procedure,
PIKA_PDB_SUCCESS,
NULL);
PIKA_VALUES_SET_IMAGE (return_vals, 1, image);
PIKA_VALUES_SET_INT (return_vals, 2, width);
PIKA_VALUES_SET_INT (return_vals, 3, height);
pika_value_array_truncate (return_vals, 4);
return return_vals;
}
static PikaValueArray *
icns_save (PikaProcedure *procedure,
PikaRunMode run_mode,
PikaImage *image,
gint n_drawables,
PikaDrawable **drawables,
GFile *file,
const PikaValueArray *args,
gpointer run_data)
{
PikaPDBStatusType status;
GError *error = NULL;
gegl_init (NULL, NULL);
status = icns_save_image (file, image, run_mode, &error);
return pika_procedure_new_return_values (procedure, status, error);
}
/* Buffer should point to *at least 5 byte buffer*! */
void
fourcc_get_string (gchar *fourcc,
gchar *buf)
{
buf = fourcc;
buf[4] = 0;
}