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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 SAVE_PROC "file-gbr-save"
#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_save (GimpProcedure *procedure,
GimpRunMode run_mode,
GimpImage *image,
gint n_drawables,
GimpDrawable **drawables,
GFile *file,
const GimpValueArray *args,
gpointer run_data);
static gboolean save_dialog (GimpProcedure *procedure,
GObject *config);
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 (SAVE_PROC));
}
static GimpProcedure *
gbr_create_procedure (GimpPlugIn *plug_in,
const gchar *name)
{
GimpProcedure *procedure = NULL;
if (! strcmp (name, SAVE_PROC))
{
procedure = gimp_save_procedure_new (plug_in, name,
GIMP_PDB_PROC_TYPE_PLUGIN,
gbr_save, NULL, NULL);
gimp_procedure_set_image_types (procedure, "*");
gimp_procedure_set_menu_label (procedure, _("GIMP 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",
SAVE_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_PROC_ARG_INT (procedure, "spacing",
"Spacing",
"Spacing of the brush",
1, 1000, 10,
GIMP_PARAM_READWRITE);
GIMP_PROC_ARG_STRING (procedure, "description",
"Description",
"Short description of the brush",
"GIMP Brush",
GIMP_PARAM_READWRITE);
}
return procedure;
}
static GimpValueArray *
gbr_save (GimpProcedure *procedure,
GimpRunMode run_mode,
GimpImage *image,
gint n_drawables,
GimpDrawable **drawables,
GFile *file,
const GimpValueArray *args,
gpointer run_data)
{
GimpProcedureConfig *config;
GimpPDBStatusType status = GIMP_PDB_SUCCESS;
GimpExportReturn export = GIMP_EXPORT_CANCEL;
gchar *description;
GError *error = NULL;
config = gimp_procedure_create_config (procedure);
gimp_procedure_config_begin_run (config, image, run_mode, args);
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);
switch (run_mode)
{
case GIMP_RUN_INTERACTIVE:
case GIMP_RUN_WITH_LAST_VALS:
gimp_ui_init (PLUG_IN_BINARY);
export = gimp_export_image (&image, &n_drawables, &drawables, "GBR",
GIMP_EXPORT_CAN_HANDLE_GRAY |
GIMP_EXPORT_CAN_HANDLE_RGB |
GIMP_EXPORT_CAN_HANDLE_INDEXED |
GIMP_EXPORT_CAN_HANDLE_ALPHA);
if (export == GIMP_EXPORT_CANCEL)
return gimp_procedure_new_return_values (procedure,
GIMP_PDB_CANCEL,
NULL);
break;
default:
break;
}
if (n_drawables != 1)
{
g_set_error (&error, G_FILE_ERROR, 0,
_("GBR format does not support multiple layers."));
return gimp_procedure_new_return_values (procedure,
GIMP_PDB_CALLING_ERROR,
error);
}
if (run_mode == GIMP_RUN_INTERACTIVE)
{
if (! save_dialog (procedure, G_OBJECT (config)))
status = GIMP_PDB_CANCEL;
}
if (status == GIMP_PDB_SUCCESS)
{
GimpValueArray *save_retvals;
gint spacing;
g_object_get (config,
"description", &description,
"spacing", &spacing,
NULL);
save_retvals =
gimp_pdb_run_procedure (gimp_get_pdb (),
"file-gbr-save-internal",
GIMP_TYPE_RUN_MODE, GIMP_RUN_NONINTERACTIVE,
GIMP_TYPE_IMAGE, image,
GIMP_TYPE_DRAWABLE, drawables[0],
G_TYPE_FILE, file,
G_TYPE_INT, spacing,
G_TYPE_STRING, description,
G_TYPE_NONE);
g_free (description);
if (GIMP_VALUES_GET_ENUM (save_retvals, 0) != GIMP_PDB_SUCCESS)
{
g_set_error (&error, 0, 0,
"Running procedure 'file-gbr-save-internal' "
"failed: %s",
gimp_pdb_get_last_error (gimp_get_pdb ()));
status = GIMP_PDB_EXECUTION_ERROR;
}
gimp_value_array_unref (save_retvals);
}
gimp_procedure_config_end_run (config, status);
g_object_unref (config);
if (export == GIMP_EXPORT_EXPORT)
{
gimp_image_delete (image);
g_free (drawables);
}
return gimp_procedure_new_return_values (procedure, status, error);
}
static gboolean
save_dialog (GimpProcedure *procedure,
GObject *config)
{
GtkWidget *dialog;
GtkWidget *grid;
GtkWidget *entry;
GtkWidget *scale;
gboolean run;
dialog = gimp_procedure_dialog_new (procedure,
GIMP_PROCEDURE_CONFIG (config),
_("Export Image as Brush"));
/* The main grid */
grid = gtk_grid_new ();
gtk_container_set_border_width (GTK_CONTAINER (grid), 12);
gtk_grid_set_row_spacing (GTK_GRID (grid), 6);
gtk_grid_set_column_spacing (GTK_GRID (grid), 6);
gtk_box_pack_start (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (dialog))),
grid, TRUE, TRUE, 0);
gtk_widget_show (grid);
entry = gimp_prop_entry_new (config, "description", 256);
gtk_entry_set_width_chars (GTK_ENTRY (entry), 20);
gtk_entry_set_activates_default (GTK_ENTRY (entry), TRUE);
gimp_grid_attach_aligned (GTK_GRID (grid), 0, 0,
_("_Description:"), 1.0, 0.5,
entry, 2);
scale = gimp_prop_scale_entry_new (config, "spacing",
NULL, 1.0, FALSE, 0, 0);
gtk_widget_hide (gimp_labeled_get_label (GIMP_LABELED (scale)));
gimp_grid_attach_aligned (GTK_GRID (grid), 0, 1,
_("_Spacing:"), 0.0, 0.5, scale, 4);
gtk_widget_show (dialog);
run = gimp_procedure_dialog_run (GIMP_PROCEDURE_DIALOG (dialog));
gtk_widget_destroy (dialog);
return run;
}
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