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gimp/plug-ins/common/file-gbr.c

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/* GIMP - The GNU Image Manipulation Program
* 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 GIMP .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 GIMP brushes in GRAY or RGBA. jtl + neo
*
*
* TODO: Give some better error reporting on not opening files/bad headers
* etc.
*/
#include "config.h"
#include <libgimp/gimp.h>
#include <libgimp/gimpui.h>
#include "libgimp/stdplugins-intl.h"
#define EXPORT_PROC "file-gbr-export"
#define PLUG_IN_BINARY "file-gbr"
typedef struct _Gbr Gbr;
typedef struct _GbrClass GbrClass;
struct _Gbr
{
GimpPlugIn parent_instance;
};
struct _GbrClass
{
GimpPlugInClass 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 (GimpPlugIn *plug_in);
static GimpProcedure * gbr_create_procedure (GimpPlugIn *plug_in,
const gchar *name);
static GimpValueArray * gbr_export (GimpProcedure *procedure,
GimpRunMode run_mode,
GimpImage *image,
GFile *file,
GimpExportOptions *options,
GimpMetadata *metadata,
GimpProcedureConfig *config,
gpointer run_data);
static gboolean save_dialog (GimpProcedure *procedure,
GObject *config,
GimpImage *image);
G_DEFINE_TYPE (Gbr, gbr, GIMP_TYPE_PLUG_IN)
GIMP_MAIN (GBR_TYPE)
DEFINE_STD_SET_I18N
static void
gbr_class_init (GbrClass *klass)
{
GimpPlugInClass *plug_in_class = GIMP_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 (GimpPlugIn *plug_in)
{
return g_list_append (NULL, g_strdup (EXPORT_PROC));
}
static GimpProcedure *
gbr_create_procedure (GimpPlugIn *plug_in,
const gchar *name)
{
GimpProcedure *procedure = NULL;
if (! strcmp (name, EXPORT_PROC))
{
procedure = gimp_export_procedure_new (plug_in, name,
GIMP_PDB_PROC_TYPE_PLUGIN,
FALSE, gbr_export, NULL, NULL);
gimp_procedure_set_image_types (procedure, "*");
gimp_procedure_set_menu_label (procedure, _("GIMP brush"));
gimp_file_procedure_set_format_name (GIMP_FILE_PROCEDURE (procedure),
_("Brush"));
gimp_procedure_set_icon_name (procedure, GIMP_ICON_BRUSH);
gimp_procedure_set_documentation (procedure,
_("Exports files in the GIMP brush "
"file format"),
_("Exports files in the GIMP brush "
"file format"),
EXPORT_PROC);
gimp_procedure_set_attribution (procedure,
"Tim Newsome, Jens Lautenbacher, "
"Sven Neumann",
"Tim Newsome, Jens Lautenbacher, "
"Sven Neumann",
"1997-2000");
gimp_file_procedure_set_mime_types (GIMP_FILE_PROCEDURE (procedure),
"image/x-gimp-gbr");
gimp_file_procedure_set_extensions (GIMP_FILE_PROCEDURE (procedure),
"gbr");
gimp_file_procedure_set_handles_remote (GIMP_FILE_PROCEDURE (procedure),
TRUE);
gimp_export_procedure_set_capabilities (GIMP_EXPORT_PROCEDURE (procedure),
GIMP_EXPORT_CAN_HANDLE_GRAY |
GIMP_EXPORT_CAN_HANDLE_RGB |
GIMP_EXPORT_CAN_HANDLE_INDEXED |
GIMP_EXPORT_CAN_HANDLE_ALPHA,
NULL, NULL, NULL);
gimp_procedure_add_int_argument (procedure, "spacing",
_("Sp_acing"),
_("Spacing of the brush"),
1, 1000, 10,
GIMP_PARAM_READWRITE);
gimp_procedure_add_string_argument (procedure, "description",
_("_Description"),
_("Short description of the brush"),
_("GIMP Brush"),
GIMP_PARAM_READWRITE);
}
return procedure;
}
static GimpValueArray *
gbr_export (GimpProcedure *procedure,
GimpRunMode run_mode,
GimpImage *image,
GFile *file,
GimpExportOptions *options,
GimpMetadata *metadata,
GimpProcedureConfig *config,
gpointer run_data)
{
GimpPDBStatusType status = GIMP_PDB_SUCCESS;
GimpExportReturn export = GIMP_EXPORT_IGNORE;
GimpLayer **layers;
gchar *description;
GError *error = NULL;
g_object_get (config,
"description", &description,
NULL);
if (! description || ! strlen (description))
{
gchar *name = g_path_get_basename (gimp_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);
if (run_mode == GIMP_RUN_INTERACTIVE)
{
gimp_ui_init (PLUG_IN_BINARY);
if (! save_dialog (procedure, G_OBJECT (config), image))
status = GIMP_PDB_CANCEL;
}
export = gimp_export_options_get_image (options, &image);
layers = gimp_image_get_layers (image);
if (status == GIMP_PDB_SUCCESS)
{
GimpProcedure *procedure;
GimpValueArray *save_retvals;
gint spacing;
g_object_get (config,
"description", &description,
"spacing", &spacing,
NULL);
procedure = gimp_pdb_lookup_procedure (gimp_get_pdb (),
"file-gbr-export-internal");
save_retvals = gimp_procedure_run (procedure,
"image", image,
"drawables", (GimpDrawable **) layers,
"file", file,
"spacing", spacing,
"name", description,
NULL);
g_free (description);
if (GIMP_VALUES_GET_ENUM (save_retvals, 0) != GIMP_PDB_SUCCESS)
{
g_set_error (&error, 0, 0,
"Running procedure 'file-gbr-export-internal' "
"failed: %s",
gimp_pdb_get_last_error (gimp_get_pdb ()));
status = GIMP_PDB_EXECUTION_ERROR;
}
gimp_value_array_unref (save_retvals);
}
if (export == GIMP_EXPORT_EXPORT)
gimp_image_delete (image);
g_free (layers);
return gimp_procedure_new_return_values (procedure, status, error);
}
static gboolean
save_dialog (GimpProcedure *procedure,
GObject *config,
GimpImage *image)
{
GtkWidget *dialog;
GtkWidget *vbox;
GtkWidget *entry;
GtkWidget *real_entry;
gboolean run;
dialog = gimp_export_procedure_dialog_new (GIMP_EXPORT_PROCEDURE (procedure),
GIMP_PROCEDURE_CONFIG (config),
image);
entry = gimp_procedure_dialog_get_widget (GIMP_PROCEDURE_DIALOG (dialog),
"description", GIMP_TYPE_LABEL_ENTRY);
real_entry = gimp_label_entry_get_entry (GIMP_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);
gimp_procedure_dialog_get_scale_entry (GIMP_PROCEDURE_DIALOG (dialog),
"spacing", 1.0);
vbox = gimp_procedure_dialog_fill_box (GIMP_PROCEDURE_DIALOG (dialog),
"gbr-vbox", "description", "spacing",
NULL);
gtk_container_set_border_width (GTK_CONTAINER (vbox), 12);
gimp_procedure_dialog_fill (GIMP_PROCEDURE_DIALOG (dialog),
"gbr-vbox", NULL);
gtk_widget_show (dialog);
run = gimp_procedure_dialog_run (GIMP_PROCEDURE_DIALOG (dialog));
gtk_widget_destroy (dialog);
return run;
}
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