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/*
* $Id: level.c 24796 2022-04-28 15:20:59Z yeti-dn $
* Copyright (C) 2003-2021 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 <string.h>
#include <gtk/gtk.h>
#include <libgwyddion/gwymacros.h>
#include <libgwyddion/gwymath.h>
#include <libprocess/level.h>
#include <libprocess/grains.h>
#include <libprocess/stats.h>
#include <libprocess/gwyprocesstypes.h>
#include <libgwydgets/gwystock.h>
#include <libgwymodule/gwymodule-process.h>
#include <app/gwyapp.h>
#define RUN_MODES (GWY_RUN_IMMEDIATE | GWY_RUN_INTERACTIVE)
enum {
PARAM_MASKING,
};
static gboolean module_register (void);
static GwyParamDef* define_module_params(void);
static GwyDialogOutcome run_gui (GwyParams *params,
const gchar *funcname);
static void level_func (GwyContainer *data,
GwyRunType run,
const gchar *funcname);
static GwyModuleInfo module_info = {
GWY_MODULE_ABI_VERSION,
&module_register,
N_("Levels data by simple plane subtraction or by rotation, and fixes minimal or mean value to zero."),
"Yeti <yeti@gwyddion.net>",
"3.1",
"David Nečas (Yeti) & Petr Klapetek",
"2003",
};
GWY_MODULE_QUERY2(module_info, level)
static gboolean
module_register(void)
{
gwy_process_func_register("level",
&level_func,
N_("/_Level/Plane _Level"),
GWY_STOCK_LEVEL,
RUN_MODES,
GWY_MENU_FLAG_DATA,
N_("Level data by mean plane subtraction"));
gwy_process_func_register("level_rotate",
&level_func,
N_("/_Level/Level _Rotate"),
NULL,
RUN_MODES,
GWY_MENU_FLAG_DATA,
N_("Automatically level data by plane rotation"));
gwy_process_func_register("fix_zero",
&level_func,
N_("/_Level/Fix _Zero"),
GWY_STOCK_FIX_ZERO,
RUN_MODES,
GWY_MENU_FLAG_DATA,
N_("Shift minimum data value to zero"));
gwy_process_func_register("zero_mean",
&level_func,
N_("/_Level/Zero _Mean Value"),
GWY_STOCK_ZERO_MEAN,
RUN_MODES,
GWY_MENU_FLAG_DATA,
N_("Shift mean data value to zero"));
gwy_process_func_register("zero_max",
&level_func,
N_("/_Level/Zero Ma_ximum Value"),
GWY_STOCK_ZERO_MAXIMUM,
RUN_MODES,
GWY_MENU_FLAG_DATA,
N_("Shift maximum data value to zero"));
return TRUE;
}
static GwyParamDef*
define_module_params(void)
{
static GwyParamDef *paramdef = NULL;
if (paramdef)
return paramdef;
paramdef = gwy_param_def_new();
gwy_param_def_add_enum(paramdef, PARAM_MASKING, "mode", NULL, GWY_TYPE_MASKING_TYPE, GWY_MASK_EXCLUDE);
return paramdef;
}
static void
level_func(GwyContainer *data,
GwyRunType run,
const gchar *funcname)
{
GwyDialogOutcome outcome = GWY_DIALOG_PROCEED;
GwyMaskingType masking;
GwyParams *params;
GwyDataField *dfield, *mask;
gdouble c, bx, by;
gint xres, yres;
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, &dfield,
GWY_APP_DATA_FIELD_ID, &id,
GWY_APP_MASK_FIELD, &mask,
0);
g_return_if_fail(dfield && quark);
/* We have multiple functions with the same set of parameters. */
gwy_param_def_set_function_name(define_module_params(), funcname);
params = gwy_params_new_from_settings(define_module_params());
if (run != GWY_RUN_IMMEDIATE && mask) {
outcome = run_gui(params, funcname);
gwy_params_save_to_settings(params);
if (outcome == GWY_DIALOG_CANCEL)
goto end;
}
masking = gwy_params_get_masking(params, PARAM_MASKING, &mask);
xres = gwy_data_field_get_xres(dfield);
yres = gwy_data_field_get_yres(dfield);
gwy_app_undo_qcheckpoint(data, quark, NULL);
if (gwy_stramong(funcname, "level", "level_rotate", NULL)) {
if (mask) {
if (masking == GWY_MASK_EXCLUDE) {
mask = gwy_data_field_duplicate(mask);
gwy_data_field_grains_invert(mask);
}
else
g_object_ref(mask);
}
if (mask)
gwy_data_field_area_fit_plane(dfield, mask, 0, 0, xres, yres, &c, &bx, &by);
else
gwy_data_field_fit_plane(dfield, &c, &bx, &by);
if (gwy_strequal(funcname, "level_rotate")) {
bx = gwy_data_field_rtoj(dfield, bx);
by = gwy_data_field_rtoi(dfield, by);
gwy_data_field_plane_rotate(dfield, atan2(bx, 1), atan2(by, 1), GWY_INTERPOLATION_LINEAR);
gwy_debug("b = %g, alpha = %g deg, c = %g, beta = %g deg",
bx, 180/G_PI*atan2(bx, 1), by, 180/G_PI*atan2(by, 1));
}
else {
c = -0.5*(bx*gwy_data_field_get_xres(dfield) + by*gwy_data_field_get_yres(dfield));
gwy_data_field_plane_level(dfield, c, bx, by);
}
GWY_OBJECT_UNREF(mask);
}
else if (gwy_strequal(funcname, "fix_zero")) {
if (mask)
gwy_data_field_area_get_min_max_mask(dfield, mask, masking, 0, 0, xres, yres, &c, NULL);
else
c = gwy_data_field_get_min(dfield);
gwy_data_field_add(dfield, -c);
}
else if (gwy_strequal(funcname, "zero_mean")) {
if (mask)
c = gwy_data_field_area_get_avg_mask(dfield, mask, masking, 0, 0, xres, yres);
else
c = gwy_data_field_get_avg(dfield);
gwy_data_field_add(dfield, -c);
}
else if (gwy_strequal(funcname, "zero_max")) {
if (mask)
gwy_data_field_area_get_min_max_mask(dfield, mask, masking, 0, 0, xres, yres, NULL, &c);
else
c = gwy_data_field_get_max(dfield);
gwy_data_field_add(dfield, -c);
}
else {
g_assert_not_reached();
}
gwy_app_channel_log_add_proc(data, id, id);
gwy_data_field_data_changed(dfield);
end:
g_object_unref(params);
}
static GwyDialogOutcome
run_gui(GwyParams *params, const gchar *funcname)
{
const gchar *title = NULL;
GwyDialog *dialog;
GwyParamTable *table;
if (gwy_strequal(funcname, "level"))
title = _("Plane Level");
else if (gwy_strequal(funcname, "level_rotate"))
title = _("Level Rotate");
else if (gwy_strequal(funcname, "fix_zero"))
title = _("Fix Zero");
else if (gwy_strequal(funcname, "zero_mean"))
title = _("Zero Mean Value");
else if (gwy_strequal(funcname, "zero_max"))
title = _("Zero Maximum Value");
else {
g_assert_not_reached();
}
dialog = GWY_DIALOG(gwy_dialog_new(title));
gwy_dialog_add_buttons(dialog, GTK_RESPONSE_CANCEL, GTK_RESPONSE_OK, 0);
table = gwy_param_table_new(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);
}
/* 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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