PIKApp/app/propgui/pikapropgui-color-balance.c

148 lines
5.1 KiB
C
Raw Permalink Normal View History

2023-09-26 00:35:21 +02:00
/* PIKA - Photo and Image Kooker Application
* a rebranding of The GNU Image Manipulation Program (created with heckimp)
* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
*
* Original copyright, applying to most contents (license remains unchanged):
* Copyright (C) 1995-1997 Spencer Kimball and Peter Mattis
*
* pikapropgui-color-balance.c
*
* 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 <gegl.h>
#include <gtk/gtk.h>
#include "libpikawidgets/pikawidgets.h"
#include "propgui-types.h"
#include "operations/pikacolorbalanceconfig.h"
#include "core/pikacontext.h"
#include "widgets/pikapropwidgets.h"
#include "pikapropgui.h"
#include "pikapropgui-color-balance.h"
#include "pika-intl.h"
static void
create_levels_scale (GObject *config,
const gchar *property_name,
const gchar *left,
const gchar *right,
GtkWidget *grid,
gint col)
{
GtkWidget *label;
GtkWidget *scale;
label = gtk_label_new (left);
gtk_label_set_xalign (GTK_LABEL (label), 1.0);
gtk_grid_attach (GTK_GRID (grid), label, 0, col, 1, 1);
gtk_widget_show (label);
scale = pika_prop_spin_scale_new (config, property_name, 0.01, 0.1, 0);
pika_spin_scale_set_label (PIKA_SPIN_SCALE (scale), NULL);
pika_prop_widget_set_factor (scale, 100.0, 1.0, 10.0, 1);
gtk_widget_set_hexpand (scale, TRUE);
gtk_grid_attach (GTK_GRID (grid), scale, 1, col, 1, 1);
label = gtk_label_new (right);
gtk_label_set_xalign (GTK_LABEL (label), 0.0);
gtk_grid_attach (GTK_GRID (grid), label, 2, col, 1, 1);
gtk_widget_show (label);
}
GtkWidget *
_pika_prop_gui_new_color_balance (GObject *config,
GParamSpec **param_specs,
guint n_param_specs,
GeglRectangle *area,
PikaContext *context,
PikaCreatePickerFunc create_picker_func,
PikaCreateControllerFunc create_controller_func,
gpointer creator)
{
GtkWidget *main_vbox;
GtkWidget *vbox;
GtkWidget *hbox;
GtkWidget *grid;
GtkWidget *button;
GtkWidget *frame;
g_return_val_if_fail (G_IS_OBJECT (config), NULL);
g_return_val_if_fail (param_specs != NULL, NULL);
g_return_val_if_fail (n_param_specs > 0, NULL);
g_return_val_if_fail (PIKA_IS_CONTEXT (context), NULL);
main_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 4);
frame = pika_prop_enum_radio_frame_new (config, "range",
_("Select Range to Adjust"),
0, 0);
gtk_box_pack_start (GTK_BOX (main_vbox), frame, FALSE, FALSE, 0);
frame = pika_frame_new (_("Adjust Color Levels"));
gtk_box_pack_start (GTK_BOX (main_vbox), frame, FALSE, FALSE, 0);
gtk_widget_show (frame);
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 4);
gtk_container_add (GTK_CONTAINER (frame), vbox);
gtk_widget_show (vbox);
/* The grid containing sliders */
grid = gtk_grid_new ();
gtk_grid_set_column_spacing (GTK_GRID (grid), 4);
gtk_grid_set_row_spacing (GTK_GRID (grid), 2);
gtk_box_pack_start (GTK_BOX (vbox), grid, FALSE, FALSE, 0);
gtk_widget_show (grid);
create_levels_scale (config, "cyan-red",
_("Cyan"), _("Red"),
grid, 0);
create_levels_scale (config, "magenta-green",
_("Magenta"), _("Green"),
grid, 1);
create_levels_scale (config, "yellow-blue",
_("Yellow"), _("Blue"),
grid, 2);
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
gtk_widget_show (hbox);
button = gtk_button_new_with_mnemonic (_("R_eset Range"));
gtk_box_pack_end (GTK_BOX (hbox), button, FALSE, FALSE, 0);
gtk_widget_show (button);
g_signal_connect_swapped (button, "clicked",
G_CALLBACK (pika_color_balance_config_reset_range),
config);
button = pika_prop_check_button_new (config,
"preserve-luminosity",
_("Preserve _luminosity"));
gtk_box_pack_end (GTK_BOX (main_vbox), button, FALSE, FALSE, 0);
return main_vbox;
}