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gimp/plug-ins/gimpressionist/orientation.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/>.
*/
#include "config.h"
#include <gtk/gtk.h>
#include <libgimp/gimp.h>
#include <libgimp/gimpui.h>
#include "gimpressionist.h"
#include "orientation.h"
#include "orientmap.h"
#include "libgimp/stdplugins-intl.h"
static GtkWidget *orient_radio[NUMORIENTRADIO];
static GtkWidget *orient_num_adjust = NULL;
static GtkWidget *orient_first_adjust = NULL;
static GtkWidget *orient_last_adjust = NULL;
static void
orientation_store (GtkWidget *wg, void *d)
{
pcvals.orient_type = GPOINTER_TO_INT (d);
}
int orientation_type_input (int in)
{
return CLAMP_UP_TO (in, NUMORIENTRADIO);
}
void orientation_restore (void)
{
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (orient_radio[pcvals.orient_type]),
TRUE);
gimp_label_spin_set_value (GIMP_LABEL_SPIN (orient_num_adjust),
pcvals.orient_num);
gimp_label_spin_set_value (GIMP_LABEL_SPIN (orient_first_adjust),
pcvals.orient_first);
gimp_label_spin_set_value (GIMP_LABEL_SPIN (orient_last_adjust),
pcvals.orient_last);
}
static void
create_orientmap_dialog_helper (GtkWidget *widget)
{
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (orient_radio[7]), TRUE);
create_orientmap_dialog (widget);
}
static void
create_orientradio_button (GtkWidget *box,
int orient_type,
const gchar *label,
const gchar *help_string,
GSList **radio_group)
{
create_radio_button (box, orient_type, orientation_store, label,
help_string, radio_group, orient_radio);
}
void
create_orientationpage (GtkNotebook *notebook)
{
GtkWidget *box2, *box3, *box4, *thispage;
GtkWidget *label, *tmpw, *grid;
GSList *radio_group = NULL;
label = gtk_label_new_with_mnemonic (_("Or_ientation"));
thispage = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12);
gtk_container_set_border_width (GTK_CONTAINER (thispage), 12);
gtk_widget_show (thispage);
grid = gtk_grid_new ();
gtk_grid_set_row_spacing (GTK_GRID (grid), 6);
gtk_grid_set_column_spacing (GTK_GRID (grid), 6);
gtk_box_pack_start (GTK_BOX (thispage), grid, FALSE, FALSE, 0);
gtk_widget_show (grid);
orient_num_adjust =
gimp_scale_entry_new (_("Directions:"), pcvals.orient_num, 1.0, 30.0, 0);
gimp_help_set_help_data (orient_num_adjust,
_("The number of directions (i.e. brushes) to use"),
NULL);
g_signal_connect (orient_num_adjust, "value-changed",
G_CALLBACK (gimpressionist_scale_entry_update_int),
&pcvals.orient_num);
gtk_grid_attach (GTK_GRID (grid), orient_num_adjust, 0, 0, 3, 1);
gtk_widget_show (orient_num_adjust);
orient_first_adjust =
gimp_scale_entry_new (_("Start angle:"), pcvals.orient_first, 0.0, 360.0, 0);
gimp_help_set_help_data (orient_first_adjust,
_("The starting angle of the first brush to create"),
NULL);
g_signal_connect (orient_first_adjust, "value-changed",
G_CALLBACK (gimpressionist_scale_entry_update_double),
&pcvals.orient_first);
gtk_grid_attach (GTK_GRID (grid), orient_first_adjust, 0, 1, 3, 1);
gtk_widget_show (orient_first_adjust);
orient_last_adjust =
gimp_scale_entry_new (_("Angle span:"), pcvals.orient_last, 0.0, 360.0, 0);
gimp_help_set_help_data (orient_last_adjust,
_("The angle span of the first brush to create"),
NULL);
g_signal_connect (orient_last_adjust, "value-changed",
G_CALLBACK (gimpressionist_scale_entry_update_double),
&pcvals.orient_last);
gtk_grid_attach (GTK_GRID (grid), orient_last_adjust, 0, 2, 3, 1);
gtk_widget_show (orient_last_adjust);
box2 = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 12);
gtk_box_pack_start (GTK_BOX (thispage), box2, FALSE, FALSE, 0);
gtk_widget_show (box2);
box3 = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
gtk_box_pack_start (GTK_BOX (box2), box3, FALSE, FALSE, 0);
gtk_widget_show (box3);
tmpw = gtk_label_new (_("Orientation:"));
gtk_box_pack_start (GTK_BOX (box3), tmpw, FALSE, FALSE, 0);
gtk_widget_show (tmpw);
box3 = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
gtk_box_pack_start (GTK_BOX (box2), box3, FALSE, FALSE, 0);
gtk_widget_show (box3);
create_orientradio_button (box3, ORIENTATION_VALUE, _("Value"),
_("Let the value (brightness) of the region determine the direction of the stroke"),
&radio_group);
create_orientradio_button (box3, ORIENTATION_RADIUS, _("Radius"),
_("The distance from the center of the image determines the direction of the stroke"),
&radio_group);
create_orientradio_button (box3, ORIENTATION_RANDOM, _("Random"),
_("Selects a random direction of each stroke"),
&radio_group);
create_orientradio_button (box3, ORIENTATION_RADIAL, _("Radial"),
_("Let the direction from the center determine the direction of the stroke"),
&radio_group);
box3 = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
gtk_box_pack_start (GTK_BOX (box2), box3, FALSE, FALSE, 0);
gtk_widget_show (box3);
create_orientradio_button (box3, ORIENTATION_FLOWING, _("Flowing"),
_("The strokes follow a \"flowing\" pattern"),
&radio_group);
create_orientradio_button (box3, ORIENTATION_HUE, _("Hue"),
_("The hue of the region determines the direction of the stroke"),
&radio_group);
create_orientradio_button (box3, ORIENTATION_ADAPTIVE, _("Adaptive"),
_("The direction that matches the original image the closest is selected"),
&radio_group);
box4 = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
gtk_box_pack_start (GTK_BOX (box3), box4, FALSE, FALSE, 0);
gtk_widget_show (box4);
create_orientradio_button (box4, ORIENTATION_MANUAL, _("Manual"),
_("Manually specify the stroke orientation"),
&radio_group);
orientation_restore ();
tmpw = gtk_button_new_with_mnemonic (_("_Edit"));
gtk_box_pack_start (GTK_BOX (box4), tmpw, FALSE, FALSE, 0);
gtk_widget_show (tmpw);
g_signal_connect (tmpw, "clicked",
G_CALLBACK (create_orientmap_dialog_helper), NULL);
gimp_help_set_help_data
(tmpw, _("Opens up the Orientation Map Editor"), NULL);
gtk_notebook_append_page_menu (notebook, thispage, label, NULL);
}
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