gimp/plug-ins/gimpressionist/color.c

107 lines
3.3 KiB
C

/* 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 "color.h"
#include "libgimp/stdplugins-intl.h"
#define NUMCOLORRADIO 2
static GtkWidget *colorradio[NUMCOLORRADIO];
static GtkAdjustment *colornoiseadjust = NULL;
void
color_restore (void)
{
gtk_toggle_button_set_active
(GTK_TOGGLE_BUTTON (colorradio[pcvals.color_type]), TRUE);
gtk_adjustment_set_value (colornoiseadjust,
pcvals.color_noise);
}
int
color_type_input (int in)
{
return CLAMP_UP_TO (in, NUMCOLORRADIO);
}
void
create_colorpage (GtkNotebook *notebook)
{
GtkWidget *vbox;
GtkWidget *label, *grid;
GtkWidget *frame;
label = gtk_label_new_with_mnemonic (_("Co_lor"));
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12);
gtk_container_set_border_width (GTK_CONTAINER (vbox), 12);
gtk_widget_show (vbox);
frame = gimp_int_radio_group_new (TRUE, _("Color"),
G_CALLBACK (gimp_radio_button_update),
&pcvals.color_type, NULL, 0,
_("A_verage under brush"),
COLOR_TYPE_AVERAGE, &colorradio[COLOR_TYPE_AVERAGE],
_("C_enter of brush"),
COLOR_TYPE_CENTER, &colorradio[COLOR_TYPE_CENTER],
NULL);
gimp_help_set_help_data
(colorradio[COLOR_TYPE_AVERAGE],
_("Color is computed from the average of all pixels under the brush"),
NULL);
gimp_help_set_help_data
(colorradio[COLOR_TYPE_CENTER],
_("Samples the color from the pixel in the center of the brush"), NULL);
gtk_box_pack_start (GTK_BOX (vbox), frame, FALSE, FALSE, 0);
gtk_widget_show (frame);
grid = gtk_grid_new ();
gtk_grid_set_column_spacing (GTK_GRID (grid), 6);
gtk_box_pack_start (GTK_BOX (vbox), grid, FALSE, FALSE, 0);
gtk_widget_show (grid);
colornoiseadjust =
gimp_scale_entry_new (GTK_GRID (grid), 0, 0,
_("Color _noise:"),
100, -1, pcvals.color_noise,
0.0, 100.0, 1.0, 5.0, 0,
TRUE, 0, 0,
_("Adds random noise to the color"),
NULL);
g_signal_connect (colornoiseadjust, "value-changed",
G_CALLBACK (gimp_double_adjustment_update),
&pcvals.color_noise);
color_restore ();
gtk_notebook_append_page_menu (notebook, vbox, label, NULL);
}