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/*
* $Id: basicops.c 24158 2021-09-20 13:29:40Z yeti-dn $
* Copyright (C) 2003-2018 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 <libgwyddion/gwymacros.h>
#include <libgwyddion/gwymath.h>
#include <libprocess/datafield.h>
#include <libgwydgets/gwystock.h>
#include <libgwymodule/gwymodule-process.h>
#include <app/gwyapp.h>
#define RUN_MODES GWY_RUN_IMMEDIATE
static gboolean module_register (void);
static void flip_horizontally (GwyContainer *data,
GwyRunType runtype);
static void flip_vertically (GwyContainer *data,
GwyRunType runtype);
static void flip_diagonally (GwyContainer *data,
GwyRunType runtype);
static void invert_value (GwyContainer *data,
GwyRunType runtype);
static void rotate_clockwise_90 (GwyContainer *data,
GwyRunType runtype);
static void rotate_counterclockwise_90(GwyContainer *data,
GwyRunType runtype);
static void rotate_180 (GwyContainer *data,
GwyRunType runtype);
static void square_samples (GwyContainer *data,
GwyRunType runtype);
static void null_offsets (GwyContainer *data,
GwyRunType runtype);
static GwyModuleInfo module_info = {
GWY_MODULE_ABI_VERSION,
&module_register,
N_("Basic operations like flipping, value inversion, and rotation by multiples of 90 degrees."),
"Yeti <yeti@gwyddion.net>",
"2.0",
"David Nečas (Yeti) & Petr Klapetek",
"2003",
};
GWY_MODULE_QUERY2(module_info, basicops)
static gboolean
module_register(void)
{
gwy_process_func_register("invert_value",
(GwyProcessFunc)&invert_value,
N_("/_Basic Operations/_Invert Value"),
GWY_STOCK_VALUE_INVERT,
RUN_MODES,
GWY_MENU_FLAG_DATA,
N_("Invert values about mean"));
gwy_process_func_register("flip_horizontally",
(GwyProcessFunc)&flip_horizontally,
N_("/_Basic Operations/Flip _Horizontally"),
GWY_STOCK_FLIP_HORIZONTALLY,
RUN_MODES,
GWY_MENU_FLAG_DATA,
N_("Flip data horizontally"));
gwy_process_func_register("flip_vertically",
(GwyProcessFunc)&flip_vertically,
N_("/_Basic Operations/Flip _Vertically"),
GWY_STOCK_FLIP_VERTICALLY,
RUN_MODES,
GWY_MENU_FLAG_DATA,
N_("Flip data vertically"));
gwy_process_func_register("flip_diagonally",
(GwyProcessFunc)&flip_diagonally,
N_("/_Basic Operations/Flip Dia_gonally"),
GWY_STOCK_FLIP_DIAGONALLY,
RUN_MODES,
GWY_MENU_FLAG_DATA,
N_("Flip data diagonally"));
gwy_process_func_register("rotate_180",
(GwyProcessFunc)&rotate_180,
N_("/_Basic Operations/Flip _Both"),
GWY_STOCK_ROTATE_180,
RUN_MODES,
GWY_MENU_FLAG_DATA,
N_("Flip data both horizontally and vertically"));
gwy_process_func_register("rotate_90_cw",
(GwyProcessFunc)&rotate_clockwise_90,
N_("/_Basic Operations/Rotate C_lockwise"),
GWY_STOCK_ROTATE_90_CW,
RUN_MODES,
GWY_MENU_FLAG_DATA,
N_("Rotate data 90 degrees clockwise"));
gwy_process_func_register("rotate_90_ccw",
(GwyProcessFunc)&rotate_counterclockwise_90,
N_("/_Basic Operations/Rotate _Counterclockwise"),
GWY_STOCK_ROTATE_90_CCW,
RUN_MODES,
GWY_MENU_FLAG_DATA,
N_("Rotate data 90 degrees counterclockwise"));
gwy_process_func_register("square_samples",
(GwyProcessFunc)&square_samples,
N_("/_Basic Operations/S_quare Samples"),
GWY_STOCK_SQUARE_SAMPLES,
RUN_MODES,
GWY_MENU_FLAG_DATA,
N_("Resample data with non-1:1 aspect ratio to square samples"));
gwy_process_func_register("null_offsets",
(GwyProcessFunc)&null_offsets,
N_("/_Basic Operations/_Null Offsets"),
GWY_STOCK_NULL_OFFSETS,
RUN_MODES,
GWY_MENU_FLAG_DATA,
N_("Null horizontal offsets, moving the origin to the upper left corner"));
return TRUE;
}
static inline guint
compress_quarks(GwyDataField **fields, GQuark *quarks, guint nitems)
{
guint i, n;
for (i = n = 0; i < nitems; i++) {
if (fields[i]) {
fields[n] = fields[i];
quarks[n] = quarks[i];
n++;
}
}
return n;
}
static inline guint
get_fields_and_quarks(GwyDataField **fields, GQuark *quarks, gint *id)
{
gwy_app_data_browser_get_current(GWY_APP_DATA_FIELD, fields + 0,
GWY_APP_MASK_FIELD, fields + 1,
GWY_APP_SHOW_FIELD, fields + 2,
GWY_APP_DATA_FIELD_KEY, quarks + 0,
GWY_APP_MASK_FIELD_KEY, quarks + 1,
GWY_APP_SHOW_FIELD_KEY, quarks + 2,
GWY_APP_DATA_FIELD_ID, id,
0);
return compress_quarks(fields, quarks, 3);
}
static void
flip_horizontally(GwyContainer *data, GwyRunType runtype)
{
GwyDataField *dfields[3];
GQuark quarks[3];
gint id, n, i;
g_return_if_fail(runtype & RUN_MODES);
n = get_fields_and_quarks(dfields, quarks, &id);
gwy_app_undo_qcheckpointv(data, n, quarks);
for (i = 0; i < n; i++) {
gwy_data_field_invert(dfields[i], FALSE, TRUE, FALSE);
gwy_data_field_data_changed(dfields[i]);
}
gwy_app_data_clear_selections(data, id);
gwy_app_channel_log_add_proc(data, id, id);
}
static void
flip_vertically(GwyContainer *data, GwyRunType runtype)
{
GwyDataField *dfields[3];
GQuark quarks[3];
gint id, n, i;
g_return_if_fail(runtype & RUN_MODES);
n = get_fields_and_quarks(dfields, quarks, &id);
gwy_app_undo_qcheckpointv(data, n, quarks);
for (i = 0; i < n; i++) {
gwy_data_field_invert(dfields[i], TRUE, FALSE, FALSE);
gwy_data_field_data_changed(dfields[i]);
}
gwy_app_data_clear_selections(data, id);
gwy_app_channel_log_add_proc(data, id, id);
}
static void
flip_diagonally(GwyContainer *data, GwyRunType runtype)
{
GwyDataField *dfields[3], *newfield;
GQuark quarks[3];
gint id, n, i;
g_return_if_fail(runtype & RUN_MODES);
n = get_fields_and_quarks(dfields, quarks, &id);
gwy_app_undo_qcheckpointv(data, n, quarks);
for (i = 0; i < n; i++) {
newfield = gwy_data_field_new_alike(dfields[i], FALSE);
gwy_data_field_flip_xy(dfields[i], newfield, FALSE);
gwy_container_set_object(data, quarks[i], newfield);
g_object_unref(newfield);
}
gwy_app_data_clear_selections(data, id);
gwy_app_channel_log_add_proc(data, id, id);
}
static void
invert_value(GwyContainer *data, GwyRunType runtype)
{
GwyDataField *dfields[2];
GQuark quarks[2];
gint id, n, i;
g_return_if_fail(runtype & RUN_MODES);
gwy_app_data_browser_get_current(GWY_APP_DATA_FIELD, dfields + 0,
GWY_APP_SHOW_FIELD, dfields + 1,
GWY_APP_DATA_FIELD_KEY, quarks + 0,
GWY_APP_SHOW_FIELD_KEY, quarks + 1,
GWY_APP_DATA_FIELD_ID, &id,
0);
n = compress_quarks(dfields, quarks, G_N_ELEMENTS(dfields));
gwy_app_undo_qcheckpointv(data, n, quarks);
for (i = 0; i < n; i++) {
if (dfields[i]) {
gwy_data_field_invert(dfields[i], FALSE, FALSE, TRUE);
gwy_data_field_data_changed(dfields[i]);
}
}
gwy_app_channel_log_add_proc(data, id, id);
}
static void
rotate_clockwise_90(GwyContainer *data, GwyRunType runtype)
{
GwyDataField *dfields[3], *newfield;
GQuark quarks[3];
gint id, n, i;
g_return_if_fail(runtype & RUN_MODES);
n = get_fields_and_quarks(dfields, quarks, &id);
gwy_app_undo_qcheckpointv(data, n, quarks);
for (i = 0; i < n; i++) {
newfield = gwy_data_field_new_rotated_90(dfields[i], TRUE);
gwy_container_set_object(data, quarks[i], newfield);
g_object_unref(newfield);
}
gwy_app_data_clear_selections(data, id);
gwy_app_channel_log_add_proc(data, id, id);
}
static void
rotate_counterclockwise_90(GwyContainer *data, GwyRunType runtype)
{
GwyDataField *dfields[3], *newfield;
GQuark quarks[3];
gint id, n, i;
g_return_if_fail(runtype & RUN_MODES);
n = get_fields_and_quarks(dfields, quarks, &id);
gwy_app_undo_qcheckpointv(data, n, quarks);
for (i = 0; i < n; i++) {
newfield = gwy_data_field_new_rotated_90(dfields[i], FALSE);
gwy_container_set_object(data, quarks[i], newfield);
g_object_unref(newfield);
}
gwy_app_data_clear_selections(data, id);
gwy_app_channel_log_add_proc(data, id, id);
}
static void
rotate_180(GwyContainer *data, GwyRunType runtype)
{
GwyDataField *dfields[3];
GQuark quarks[3];
gint id, n, i;
g_return_if_fail(runtype & RUN_MODES);
n = get_fields_and_quarks(dfields, quarks, &id);
gwy_app_undo_qcheckpointv(data, n, quarks);
for (i = 0; i < n; i++) {
gwy_data_field_invert(dfields[i], TRUE, TRUE, FALSE);
gwy_data_field_data_changed(dfields[i]);
}
gwy_app_data_clear_selections(data, id);
gwy_app_channel_log_add_proc(data, id, id);
}
static void
square_samples(GwyContainer *data, GwyRunType runtype)
{
GwyDataField *dfield, *dfields[3];
gdouble xreal, yreal, qx, qy;
gint oldid, newid, xres, yres;
g_return_if_fail(runtype & RUN_MODES);
gwy_app_data_browser_get_current(GWY_APP_DATA_FIELD, dfields + 0,
GWY_APP_MASK_FIELD, dfields + 1,
GWY_APP_SHOW_FIELD, dfields + 2,
GWY_APP_DATA_FIELD_ID, &oldid,
0);
dfield = dfields[0];
xres = gwy_data_field_get_xres(dfield);
yres = gwy_data_field_get_yres(dfield);
xreal = gwy_data_field_get_xreal(dfield);
yreal = gwy_data_field_get_yreal(dfield);
qx = xres/xreal;
qy = yres/yreal;
if (fabs(log(qx/qy)) > 1.0/hypot(xres, yres)) {
/* Resample */
if (qx < qy)
xres = MAX(GWY_ROUND(xreal*qy), 1);
else
yres = MAX(GWY_ROUND(yreal*qx), 1);
dfields[0] = gwy_data_field_new_resampled(dfields[0], xres, yres, GWY_INTERPOLATION_BSPLINE);
if (dfields[1])
dfields[1] = gwy_data_field_new_resampled(dfields[1], xres, yres, GWY_INTERPOLATION_ROUND);
if (dfields[2])
dfields[2] = gwy_data_field_new_resampled(dfields[2], xres, yres, GWY_INTERPOLATION_BSPLINE);
}
else {
/* Ratios are equal, just duplicate */
dfields[0] = gwy_data_field_duplicate(dfields[0]);
if (dfields[1])
dfields[1] = gwy_data_field_duplicate(dfields[1]);
if (dfields[2])
dfields[2] = gwy_data_field_duplicate(dfields[2]);
}
newid = gwy_app_data_browser_add_data_field(dfields[0], data, TRUE);
g_object_unref(dfields[0]);
gwy_app_sync_data_items(data, data, oldid, newid, FALSE,
GWY_DATA_ITEM_GRADIENT,
GWY_DATA_ITEM_RANGE,
GWY_DATA_ITEM_MASK_COLOR,
0);
if (dfields[1]) {
gwy_container_set_object(data, gwy_app_get_mask_key_for_id(newid), dfields[1]);
g_object_unref(dfields[1]);
}
if (dfields[2]) {
gwy_container_set_object(data, gwy_app_get_show_key_for_id(newid), dfields[2]);
g_object_unref(dfields[2]);
}
gwy_app_channel_log_add_proc(data, oldid, newid);
}
static void
null_offsets(GwyContainer *data,
GwyRunType runtype)
{
GwyDataField *dfields[3];
GQuark quarks[3];
gint id, n, i;
g_return_if_fail(runtype & RUN_MODES);
get_fields_and_quarks(dfields, quarks, &id);
for (i = 0; i < G_N_ELEMENTS(dfields); i++) {
if (dfields[i]
&& !gwy_data_field_get_xoffset(dfields[i])
&& !gwy_data_field_get_yoffset(dfields[i])) {
quarks[i] = 0;
dfields[i] = NULL;
}
}
n = compress_quarks(dfields, quarks, G_N_ELEMENTS(dfields));
if (!n)
return;
gwy_app_undo_qcheckpointv(data, n, quarks);
for (i = 0; i < n; i++) {
gwy_data_field_set_xoffset(dfields[i], 0.0);
gwy_data_field_set_yoffset(dfields[i], 0.0);
gwy_data_field_data_changed(dfields[i]);
}
gwy_app_data_clear_selections(data, id);
gwy_app_channel_log_add_proc(data, id, id);
}
/* 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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