PIKApp/app/propgui/pikapropgui-hue-saturation.c

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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-hue-saturation.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/pikahuesaturationconfig.h"
#include "operations/pikaoperationhuesaturation.h"
#include "core/pikacontext.h"
#include "widgets/pikapropwidgets.h"
#include "pikapropgui.h"
#include "pikapropgui-hue-saturation.h"
#include "pika-intl.h"
#define COLOR_WIDTH 40
#define COLOR_HEIGHT 20
static void
hue_saturation_config_notify (GObject *object,
const GParamSpec *pspec,
GtkWidget *color_area)
{
PikaHueSaturationConfig *config = PIKA_HUE_SATURATION_CONFIG (object);
PikaHueRange range;
PikaRGB color;
static const PikaRGB default_colors[7] =
{
{ 0, 0, 0, },
{ 1.0, 0, 0, },
{ 1.0, 1.0, 0, },
{ 0, 1.0, 0, },
{ 0, 1.0, 1.0, },
{ 0, 0, 1.0, },
{ 1.0, 0, 1.0, }
};
range = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (color_area),
"hue-range"));
color = default_colors[range];
pika_operation_hue_saturation_map (config, &color, range, &color);
pika_color_area_set_color (PIKA_COLOR_AREA (color_area), &color);
}
static void
hue_saturation_range_callback (GtkWidget *widget,
GObject *config)
{
if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (widget)))
{
PikaHueRange range;
pika_radio_button_update (widget, &range);
g_object_set (config,
"range", range,
NULL);
}
}
static void
hue_saturation_range_notify (GObject *object,
const GParamSpec *pspec,
GtkWidget *range_radio)
{
PikaHueSaturationConfig *config = PIKA_HUE_SATURATION_CONFIG (object);
pika_int_radio_group_set_active (GTK_RADIO_BUTTON (range_radio),
config->range);
}
GtkWidget *
_pika_prop_gui_new_hue_saturation (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 *frame;
GtkWidget *vbox;
GtkWidget *grid;
GtkWidget *scale;
GtkWidget *button;
GtkWidget *hbox;
GtkWidget *range_radio;
GSList *group = NULL;
gint i;
const struct
{
const gchar *label;
const gchar *tooltip;
gint label_col;
gint label_row;
gint frame_col;
gint frame_row;
}
hue_range_grid[] =
{
{ N_("M_aster"), N_("Adjust all colors"), 2, 3, 0, 0 },
{ N_("_R"), N_("Red"), 2, 1, 2, 0 },
{ N_("_Y"), N_("Yellow"), 1, 2, 0, 2 },
{ N_("_G"), N_("Green"), 1, 4, 0, 4 },
{ N_("_C"), N_("Cyan"), 2, 5, 2, 6 },
{ N_("_B"), N_("Blue"), 3, 4, 4, 4 },
{ N_("_M"), N_("Magenta"), 3, 2, 4, 2 }
};
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_frame_new (_("Select Primary Color to Adjust"));
gtk_box_pack_start (GTK_BOX (main_vbox), frame, TRUE, TRUE, 0);
gtk_widget_show (frame);
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
gtk_container_add (GTK_CONTAINER (frame), vbox);
gtk_widget_show (vbox);
/* The grid containing hue ranges */
grid = gtk_grid_new ();
gtk_widget_set_halign (grid, GTK_ALIGN_CENTER);
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);
/* the radio buttons for hue ranges */
for (i = 0; i < G_N_ELEMENTS (hue_range_grid); i++)
{
button = gtk_radio_button_new_with_mnemonic (group,
gettext (hue_range_grid[i].label));
group = gtk_radio_button_get_group (GTK_RADIO_BUTTON (button));
g_object_set_data (G_OBJECT (button), "pika-item-data",
GINT_TO_POINTER (i));
pika_help_set_help_data (button,
gettext (hue_range_grid[i].tooltip),
NULL);
if (i == 0)
{
gtk_toggle_button_set_mode (GTK_TOGGLE_BUTTON (button), FALSE);
range_radio = button;
}
gtk_grid_attach (GTK_GRID (grid), button,
hue_range_grid[i].label_col,
hue_range_grid[i].label_row,
1, 1);
if (i > 0)
{
GtkWidget *color_area;
PikaRGB color = { 0, };
frame = gtk_frame_new (NULL);
gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN);
gtk_grid_attach (GTK_GRID (grid), frame,
hue_range_grid[i].frame_col,
hue_range_grid[i].frame_row,
1, 1);
gtk_widget_show (frame);
color_area = pika_color_area_new (&color, PIKA_COLOR_AREA_FLAT, 0);
gtk_widget_set_size_request (color_area, COLOR_WIDTH, COLOR_HEIGHT);
gtk_container_add (GTK_CONTAINER (frame), color_area);
gtk_widget_show (color_area);
g_object_set_data (G_OBJECT (color_area), "hue-range",
GINT_TO_POINTER (i));
g_signal_connect_object (config, "notify",
G_CALLBACK (hue_saturation_config_notify),
color_area, 0);
hue_saturation_config_notify (config, NULL, color_area);
}
g_signal_connect (button, "toggled",
G_CALLBACK (hue_saturation_range_callback),
config);
gtk_widget_show (button);
}
gtk_widget_show (grid);
/* Create the 'Overlap' option slider */
scale = pika_prop_spin_scale_new (config, "overlap", 0.01, 0.1, 0);
pika_prop_widget_set_factor (scale, 100.0, 1.0, 10.0, 1);
pika_spin_scale_set_label (PIKA_SPIN_SCALE (scale), _("_Overlap"));
gtk_box_pack_start (GTK_BOX (vbox), scale, FALSE, FALSE, 0);
frame = pika_frame_new (_("Adjust Selected Color"));
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);
/* Create the hue scale widget */
scale = pika_prop_spin_scale_new (config, "hue",
1.0 / 180.0, 15.0 / 180.0, 0);
pika_prop_widget_set_factor (scale, 180.0, 1.0, 15.0, 1);
pika_spin_scale_set_label (PIKA_SPIN_SCALE (scale), _("_Hue"));
gtk_box_pack_start (GTK_BOX (vbox), scale, FALSE, FALSE, 0);
/* Create the lightness scale widget */
scale = pika_prop_spin_scale_new (config, "lightness", 0.01, 0.1, 0);
pika_prop_widget_set_factor (scale, 100.0, 1.0, 10.0, 1);
pika_spin_scale_set_label (PIKA_SPIN_SCALE (scale), _("_Lightness"));
gtk_box_pack_start (GTK_BOX (vbox), scale, FALSE, FALSE, 0);
/* Create the saturation scale widget */
scale = pika_prop_spin_scale_new (config, "saturation", 0.01, 0.1, 0);
pika_prop_widget_set_factor (scale, 100.0, 1.0, 10.0, 1);
pika_spin_scale_set_label (PIKA_SPIN_SCALE (scale), _("_Saturation"));
gtk_box_pack_start (GTK_BOX (vbox), scale, FALSE, FALSE, 0);
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 Color"));
gtk_box_pack_end (GTK_BOX (hbox), button, FALSE, FALSE, 0);
gtk_widget_show (button);
g_signal_connect_swapped (button, "clicked",
G_CALLBACK (pika_hue_saturation_config_reset_range),
config);
g_signal_connect_object (config, "notify::range",
G_CALLBACK (hue_saturation_range_notify),
range_radio, 0);
hue_saturation_range_notify (config, NULL, range_radio);
return main_vbox;
}