AlderconeStudio/PIKApp
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PIKApp
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PIKApp/plug-ins/common/file-gbr.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 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/>.
*/
/*
* gbr plug-in version 1.00
* Loads/exports version 2 PIKA .gbr files, by Tim Newsome <drz@frody.bloke.com>
* Some bits stolen from the .99.7 source tree.
*
* Added in GBR version 1 support after learning that there wasn't a
* tool to read them.
* July 6, 1998 by Seth Burgess <sjburges@gimp.org>
*
* Dec 17, 2000
* Load and save PIKA brushes in GRAY or RGBA. jtl + neo
*
*
* TODO: Give some better error reporting on not opening files/bad headers
* etc.
*/
#include "config.h"
#include <libpika/pika.h>
#include <libpika/pikaui.h>
#include "libpika/stdplugins-intl.h"
#define SAVE_PROC "file-gbr-save"
#define PLUG_IN_BINARY "file-gbr"
typedef struct _Gbr Gbr;
typedef struct _GbrClass GbrClass;
struct _Gbr
{
PikaPlugIn parent_instance;
};
struct _GbrClass
{
PikaPlugInClass parent_class;
};
#define GBR_TYPE (gbr_get_type ())
#define GBR(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GBR_TYPE, Gbr))
GType gbr_get_type (void) G_GNUC_CONST;
static GList * gbr_query_procedures (PikaPlugIn *plug_in);
static PikaProcedure * gbr_create_procedure (PikaPlugIn *plug_in,
const gchar *name);
static PikaValueArray * gbr_save (PikaProcedure *procedure,
PikaRunMode run_mode,
PikaImage *image,
gint n_drawables,
PikaDrawable **drawables,
GFile *file,
PikaMetadata *metadata,
PikaProcedureConfig *config,
gpointer run_data);
static gboolean save_dialog (PikaProcedure *procedure,
GObject *config,
PikaImage *image);
G_DEFINE_TYPE (Gbr, gbr, PIKA_TYPE_PLUG_IN)
PIKA_MAIN (GBR_TYPE)
DEFINE_STD_SET_I18N
static void
gbr_class_init (GbrClass *klass)
{
PikaPlugInClass *plug_in_class = PIKA_PLUG_IN_CLASS (klass);
plug_in_class->query_procedures = gbr_query_procedures;
plug_in_class->create_procedure = gbr_create_procedure;
plug_in_class->set_i18n = STD_SET_I18N;
}
static void
gbr_init (Gbr *gbr)
{
}
static GList *
gbr_query_procedures (PikaPlugIn *plug_in)
{
return g_list_append (NULL, g_strdup (SAVE_PROC));
}
static PikaProcedure *
gbr_create_procedure (PikaPlugIn *plug_in,
const gchar *name)
{
PikaProcedure *procedure = NULL;
if (! strcmp (name, SAVE_PROC))
{
procedure = pika_save_procedure_new (plug_in, name,
PIKA_PDB_PROC_TYPE_PLUGIN,
FALSE, gbr_save, NULL, NULL);
pika_procedure_set_image_types (procedure, "*");
pika_procedure_set_menu_label (procedure, _("PIKA brush"));
pika_file_procedure_set_format_name (PIKA_FILE_PROCEDURE (procedure),
_("Brush"));
pika_procedure_set_icon_name (procedure, PIKA_ICON_BRUSH);
pika_procedure_set_documentation (procedure,
_("Exports files in the PIKA brush "
"file format"),
_("Exports files in the PIKA brush "
"file format"),
SAVE_PROC);
pika_procedure_set_attribution (procedure,
"Tim Newsome, Jens Lautenbacher, "
"Sven Neumann",
"Tim Newsome, Jens Lautenbacher, "
"Sven Neumann",
"1997-2000");
pika_file_procedure_set_mime_types (PIKA_FILE_PROCEDURE (procedure),
"image/x-pika-gbr");
pika_file_procedure_set_extensions (PIKA_FILE_PROCEDURE (procedure),
"gbr");
pika_file_procedure_set_handles_remote (PIKA_FILE_PROCEDURE (procedure),
TRUE);
PIKA_PROC_ARG_INT (procedure, "spacing",
_("Sp_acing"),
_("Spacing of the brush"),
1, 1000, 10,
PIKA_PARAM_READWRITE);
PIKA_PROC_ARG_STRING (procedure, "description",
_("_Description"),
_("Short description of the brush"),
_("PIKA Brush"),
PIKA_PARAM_READWRITE);
}
return procedure;
}
static PikaValueArray *
gbr_save (PikaProcedure *procedure,
PikaRunMode run_mode,
PikaImage *image,
gint n_drawables,
PikaDrawable **drawables,
GFile *file,
PikaMetadata *metadata,
PikaProcedureConfig *config,
gpointer run_data)
{
PikaPDBStatusType status = PIKA_PDB_SUCCESS;
PikaExportReturn export = PIKA_EXPORT_CANCEL;
gchar *description;
GError *error = NULL;
g_object_get (config,
"description", &description,
NULL);
if (! description || ! strlen (description))
{
gchar *name = g_path_get_basename (pika_file_get_utf8_name (file));
if (g_str_has_suffix (name, ".gbr"))
name[strlen (name) - 4] = '\0';
if (strlen (name))
g_object_set (config,
"description", name,
NULL);
g_free (name);
}
g_free (description);
switch (run_mode)
{
case PIKA_RUN_INTERACTIVE:
case PIKA_RUN_WITH_LAST_VALS:
pika_ui_init (PLUG_IN_BINARY);
export = pika_export_image (&image, &n_drawables, &drawables, "GBR",
PIKA_EXPORT_CAN_HANDLE_GRAY |
PIKA_EXPORT_CAN_HANDLE_RGB |
PIKA_EXPORT_CAN_HANDLE_INDEXED |
PIKA_EXPORT_CAN_HANDLE_ALPHA);
if (export == PIKA_EXPORT_CANCEL)
return pika_procedure_new_return_values (procedure,
PIKA_PDB_CANCEL,
NULL);
break;
default:
break;
}
if (run_mode == PIKA_RUN_INTERACTIVE)
{
if (! save_dialog (procedure, G_OBJECT (config), image))
status = PIKA_PDB_CANCEL;
}
if (status == PIKA_PDB_SUCCESS)
{
PikaProcedure *procedure;
PikaValueArray *save_retvals;
PikaObjectArray *drawables_array;
gint spacing;
g_object_get (config,
"description", &description,
"spacing", &spacing,
NULL);
drawables_array = pika_object_array_new (PIKA_TYPE_DRAWABLE, (GObject **) drawables,
n_drawables, FALSE);
procedure = pika_pdb_lookup_procedure (pika_get_pdb (),
"file-gbr-save-internal");
save_retvals = pika_procedure_run (procedure,
"image", image,
"num-drawables", n_drawables,
"drawables", drawables_array,
"file", file,
"spacing", spacing,
"name", description,
NULL);
pika_object_array_free (drawables_array);
g_free (description);
if (PIKA_VALUES_GET_ENUM (save_retvals, 0) != PIKA_PDB_SUCCESS)
{
g_set_error (&error, 0, 0,
"Running procedure 'file-gbr-save-internal' "
"failed: %s",
pika_pdb_get_last_error (pika_get_pdb ()));
status = PIKA_PDB_EXECUTION_ERROR;
}
pika_value_array_unref (save_retvals);
}
if (export == PIKA_EXPORT_EXPORT)
{
pika_image_delete (image);
g_free (drawables);
}
return pika_procedure_new_return_values (procedure, status, error);
}
static gboolean
save_dialog (PikaProcedure *procedure,
GObject *config,
PikaImage *image)
{
GtkWidget *dialog;
GtkWidget *vbox;
GtkWidget *entry;
GtkWidget *real_entry;
gboolean run;
dialog = pika_save_procedure_dialog_new (PIKA_SAVE_PROCEDURE (procedure),
PIKA_PROCEDURE_CONFIG (config),
image);
entry = pika_procedure_dialog_get_widget (PIKA_PROCEDURE_DIALOG (dialog),
"description", PIKA_TYPE_LABEL_ENTRY);
real_entry = pika_label_entry_get_entry (PIKA_LABEL_ENTRY (entry));
gtk_entry_set_max_length (GTK_ENTRY (real_entry), 256);
gtk_entry_set_width_chars (GTK_ENTRY (real_entry), 20);
gtk_entry_set_activates_default (GTK_ENTRY (real_entry), TRUE);
pika_procedure_dialog_get_scale_entry (PIKA_PROCEDURE_DIALOG (dialog),
"spacing", 1.0);
vbox = pika_procedure_dialog_fill_box (PIKA_PROCEDURE_DIALOG (dialog),
"gbr-vbox", "description", "spacing",
NULL);
gtk_container_set_border_width (GTK_CONTAINER (vbox), 12);
pika_procedure_dialog_fill (PIKA_PROCEDURE_DIALOG (dialog),
"gbr-vbox", NULL);
gtk_widget_show (dialog);
run = pika_procedure_dialog_run (PIKA_PROCEDURE_DIALOG (dialog));
gtk_widget_destroy (dialog);
return run;
}
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