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/*
* $Id: facet-level.c 23666 2021-05-10 21:56:10Z yeti-dn $
* Copyright (C) 2004-2021 David Necas (Yeti), Petr Klapetek.
* E-mail: yeti@gwyddion.net, klapetek@gwyddion.net.
*
* 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 2 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, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "config.h"
#include <gtk/gtk.h>
#include <libgwyddion/gwymacros.h>
#include <libgwyddion/gwymath.h>
#include <libprocess/level.h>
#include <libprocess/gwyprocesstypes.h>
#include <libgwydgets/gwystock.h>
#include <libgwymodule/gwymodule-process.h>
#include <app/gwyapp.h>
#include "preview.h"
#define RUN_MODES (GWY_RUN_IMMEDIATE | GWY_RUN_INTERACTIVE)
enum {
PARAM_MASKING,
};
typedef struct {
GwyParams *params;
GwyDataField *field;
GwyDataField *mask;
GwyDataField *result;
} ModuleArgs;
static gboolean module_register (void);
static GwyParamDef* define_module_params(void);
static void facet_level (GwyContainer *data,
GwyRunType run);
static GwyDialogOutcome run_gui (ModuleArgs *args);
static gboolean execute (ModuleArgs *args,
GtkWindow *window);
static GwyModuleInfo module_info = {
GWY_MODULE_ABI_VERSION,
&module_register,
N_("Automatic facet-orientation based leveling. Levels data to make facets point up."),
"Yeti <yeti@gwyddion.net>",
"3.0",
"David Nečas (Yeti) & Petr Klapetek",
"2004",
};
GWY_MODULE_QUERY2(module_info, facet_level)
static gboolean
module_register(void)
{
gwy_process_func_register("facet-level",
(GwyProcessFunc)&facet_level,
N_("/_Level/_Facet Level"),
GWY_STOCK_FACET_LEVEL,
RUN_MODES,
GWY_MENU_FLAG_DATA,
N_("Level data to make facets point upward"));
return TRUE;
}
static GwyParamDef*
define_module_params(void)
{
static GwyParamDef *paramdef = NULL;
if (paramdef)
return paramdef;
paramdef = gwy_param_def_new();
gwy_param_def_set_function_name(paramdef, gwy_process_func_current());
gwy_param_def_add_enum(paramdef, PARAM_MASKING, "mode", NULL, GWY_TYPE_MASKING_TYPE, GWY_MASK_EXCLUDE);
return paramdef;
}
static void
facet_level(GwyContainer *data, GwyRunType run)
{
ModuleArgs args;
GQuark quark;
gint id;
g_return_if_fail(run & RUN_MODES);
gwy_app_data_browser_get_current(GWY_APP_DATA_FIELD_KEY, &quark,
GWY_APP_DATA_FIELD, &args.field,
GWY_APP_MASK_FIELD, &args.mask,
GWY_APP_DATA_FIELD_ID, &id,
0);
g_return_if_fail(args.field && quark);
if (!gwy_require_image_same_units(args.field, data, id, _("Facet Level")))
return;
args.result = gwy_data_field_new_alike(args.field, FALSE);
args.params = gwy_params_new_from_settings(define_module_params());
if (run != GWY_RUN_IMMEDIATE && args.mask) {
GwyDialogOutcome outcome = run_gui(&args);
gwy_params_save_to_settings(args.params);
if (outcome != GWY_DIALOG_PROCEED)
goto end;
}
if (!execute(&args, gwy_app_find_window_for_channel(data, id)))
goto end;
gwy_app_undo_qcheckpointv(data, 1, &quark);
gwy_data_field_copy(args.result, args.field, FALSE);
gwy_app_channel_log_add_proc(data, id, id);
gwy_data_field_data_changed(args.field);
end:
g_object_unref(args.params);
g_object_unref(args.result);
}
static GwyDialogOutcome
run_gui(ModuleArgs *args)
{
GwyDialog *dialog;
GwyParamTable *table;
dialog = GWY_DIALOG(gwy_dialog_new(_("Facet Level")));
gwy_dialog_add_buttons(dialog, GWY_RESPONSE_RESET, GTK_RESPONSE_CANCEL, GTK_RESPONSE_OK, 0);
table = gwy_param_table_new(args->params);
gwy_param_table_append_radio(table, PARAM_MASKING);
gwy_dialog_add_content(dialog, gwy_param_table_widget(table), FALSE, FALSE, 0);
gwy_dialog_add_param_table(dialog, table);
return gwy_dialog_run(dialog);
}
static gboolean
execute(ModuleArgs *args, GtkWindow *window)
{
GwyDataField *mask = args->mask, *result = args->result;
GwyMaskingType masking = gwy_params_get_masking(args->params, PARAM_MASKING, &mask);
gdouble c, bx, by, b2;
gdouble p, progress, maxb2 = 666.0, eps = 1e-9;
gint i;
gwy_data_field_copy(args->field, result, FALSE);
/* Converge. FIXME: this can take a long time. */
i = 0;
progress = 0.0;
gwy_app_wait_start(window, _("Facet-leveling..."));
while (i < 100) {
/* Not actually cancelled, but do not save undo */
if (!gwy_data_field_fit_facet_plane(result, mask, masking, &c, &bx, &by))
break;
gwy_data_field_plane_level(result, c, bx, by);
bx /= gwy_data_field_get_dx(result);
by /= gwy_data_field_get_dy(result);
b2 = bx*bx + by*by;
if (!i)
maxb2 = MAX(b2, eps);
if (b2 < eps) {
i = 100;
break;
}
i++;
p = log(b2/maxb2)/log(eps/maxb2);
gwy_debug("progress = %f, p = %f, ip = %f", progress, p, i/100.0);
/* never decrease progress, that would look silly */
progress = MAX(progress, p);
progress = MAX(progress, i/100.0);
if (!gwy_app_wait_set_fraction(progress))
break;
}
gwy_app_wait_finish();
return i == 100;
}
/* vim: set cin columns=120 tw=118 et ts=4 sw=4 cino=>1s,e0,n0,f0,{0,}0,^0,\:1s,=0,g1s,h0,t0,+1s,c3,(0,u0 : */
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