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gimp/app/tools/gimphuesaturationtool.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 <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <string.h>
#include <gegl.h>
#include <gtk/gtk.h>
#include "libgimpconfig/gimpconfig.h"
#include "libgimpwidgets/gimpwidgets.h"
#include "tools-types.h"
#include "base/hue-saturation.h"
#include "gegl/gimphuesaturationconfig.h"
#include "gegl/gimpoperationhuesaturation.h"
#include "core/gimpdrawable.h"
#include "core/gimperror.h"
#include "core/gimpimage.h"
#include "widgets/gimphelp-ids.h"
#include "display/gimpdisplay.h"
#include "gimphuesaturationtool.h"
#include "gimpimagemapoptions.h"
#include "gimp-intl.h"
#define SLIDER_WIDTH 200
#define DA_WIDTH 40
#define DA_HEIGHT 20
/* local function prototypes */
static void gimp_hue_saturation_tool_finalize (GObject *object);
static gboolean gimp_hue_saturation_tool_initialize (GimpTool *tool,
GimpDisplay *display,
GError **error);
static GeglNode * gimp_hue_saturation_tool_get_operation (GimpImageMapTool *im_tool,
GObject **config);
static void gimp_hue_saturation_tool_map (GimpImageMapTool *im_tool);
static void gimp_hue_saturation_tool_dialog (GimpImageMapTool *im_tool);
static void gimp_hue_saturation_tool_reset (GimpImageMapTool *im_tool);
static void hue_saturation_config_notify (GObject *object,
GParamSpec *pspec,
GimpHueSaturationTool *hs_tool);
static void hue_saturation_update_color_areas (GimpHueSaturationTool *hs_tool);
static void hue_saturation_range_callback (GtkWidget *widget,
GimpHueSaturationTool *hs_tool);
static void hue_saturation_range_reset_callback (GtkWidget *widget,
GimpHueSaturationTool *hs_tool);
static void hue_saturation_hue_changed (GtkAdjustment *adjustment,
GimpHueSaturationTool *hs_tool);
static void hue_saturation_lightness_changed (GtkAdjustment *adjustment,
GimpHueSaturationTool *hs_tool);
static void hue_saturation_saturation_changed (GtkAdjustment *adjustment,
GimpHueSaturationTool *hs_tool);
static void hue_saturation_overlap_changed (GtkAdjustment *adjustment,
GimpHueSaturationTool *hs_tool);
G_DEFINE_TYPE (GimpHueSaturationTool, gimp_hue_saturation_tool,
GIMP_TYPE_IMAGE_MAP_TOOL)
#define parent_class gimp_hue_saturation_tool_parent_class
void
gimp_hue_saturation_tool_register (GimpToolRegisterCallback callback,
gpointer data)
{
(* callback) (GIMP_TYPE_HUE_SATURATION_TOOL,
GIMP_TYPE_IMAGE_MAP_OPTIONS, NULL,
0,
"gimp-hue-saturation-tool",
_("Hue-Saturation"),
_("Hue-Saturation Tool: Adjust hue, saturation, and lightness"),
N_("Hue-_Saturation..."), NULL,
NULL, GIMP_HELP_TOOL_HUE_SATURATION,
GIMP_STOCK_TOOL_HUE_SATURATION,
data);
}
static void
gimp_hue_saturation_tool_class_init (GimpHueSaturationToolClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GimpToolClass *tool_class = GIMP_TOOL_CLASS (klass);
GimpImageMapToolClass *im_tool_class = GIMP_IMAGE_MAP_TOOL_CLASS (klass);
object_class->finalize = gimp_hue_saturation_tool_finalize;
tool_class->initialize = gimp_hue_saturation_tool_initialize;
im_tool_class->shell_desc = _("Adjust Hue / Lightness / Saturation");
im_tool_class->settings_name = "hue-saturation";
im_tool_class->import_dialog_title = _("Import Hue-Saturation Settings");
im_tool_class->export_dialog_title = _("Export Hue-Saturation Settings");
im_tool_class->get_operation = gimp_hue_saturation_tool_get_operation;
im_tool_class->map = gimp_hue_saturation_tool_map;
im_tool_class->dialog = gimp_hue_saturation_tool_dialog;
im_tool_class->reset = gimp_hue_saturation_tool_reset;
}
static void
gimp_hue_saturation_tool_init (GimpHueSaturationTool *hs_tool)
{
GimpImageMapTool *im_tool = GIMP_IMAGE_MAP_TOOL (hs_tool);
hs_tool->hue_saturation = g_slice_new0 (HueSaturation);
hue_saturation_init (hs_tool->hue_saturation);
im_tool->apply_func = (GimpImageMapApplyFunc) hue_saturation;
im_tool->apply_data = hs_tool->hue_saturation;
}
static void
gimp_hue_saturation_tool_finalize (GObject *object)
{
GimpHueSaturationTool *hs_tool = GIMP_HUE_SATURATION_TOOL (object);
g_slice_free (HueSaturation, hs_tool->hue_saturation);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static gboolean
gimp_hue_saturation_tool_initialize (GimpTool *tool,
GimpDisplay *display,
GError **error)
{
GimpHueSaturationTool *hs_tool = GIMP_HUE_SATURATION_TOOL (tool);
GimpDrawable *drawable;
drawable = gimp_image_get_active_drawable (display->image);
if (! drawable)
return FALSE;
if (! gimp_drawable_is_rgb (drawable))
{
g_set_error_literal (error, GIMP_ERROR, GIMP_FAILED,
_("Hue-Saturation operates only on RGB color layers."));
return FALSE;
}
gimp_config_reset (GIMP_CONFIG (hs_tool->config));
return GIMP_TOOL_CLASS (parent_class)->initialize (tool, display, error);
}
static GeglNode *
gimp_hue_saturation_tool_get_operation (GimpImageMapTool *im_tool,
GObject **config)
{
GimpHueSaturationTool *hs_tool = GIMP_HUE_SATURATION_TOOL (im_tool);
GeglNode *node;
node = g_object_new (GEGL_TYPE_NODE,
"operation", "gimp:hue-saturation",
NULL);
hs_tool->config = g_object_new (GIMP_TYPE_HUE_SATURATION_CONFIG, NULL);
*config = G_OBJECT (hs_tool->config);
g_signal_connect_object (hs_tool->config, "notify",
G_CALLBACK (hue_saturation_config_notify),
G_OBJECT (hs_tool), 0);
gegl_node_set (node,
"config", hs_tool->config,
NULL);
return node;
}
static void
gimp_hue_saturation_tool_map (GimpImageMapTool *image_map_tool)
{
GimpHueSaturationTool *hs_tool = GIMP_HUE_SATURATION_TOOL (image_map_tool);
gimp_hue_saturation_config_to_cruft (hs_tool->config, hs_tool->hue_saturation);
}
/***************************/
/* Hue-Saturation dialog */
/***************************/
static void
gimp_hue_saturation_tool_dialog (GimpImageMapTool *image_map_tool)
{
GimpHueSaturationTool *hs_tool = GIMP_HUE_SATURATION_TOOL (image_map_tool);
GimpHueSaturationConfig *config = hs_tool->config;
GtkWidget *main_vbox;
GtkWidget *vbox;
GtkWidget *abox;
GtkWidget *table;
GtkWidget *slider;
GtkWidget *button;
GtkWidget *frame;
GtkWidget *hbox;
GtkObject *data;
GtkSizeGroup *label_group;
GtkSizeGroup *spinner_group;
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_table[] =
{
{ 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 }
};
main_vbox = gimp_image_map_tool_dialog_get_vbox (image_map_tool);
frame = gimp_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_vbox_new (FALSE, 6);
gtk_container_add (GTK_CONTAINER (frame), vbox);
gtk_widget_show (vbox);
abox = gtk_alignment_new (0.5, 0.5, 0.0, 0.0);
gtk_box_pack_start (GTK_BOX (vbox), abox, TRUE, TRUE, 0);
gtk_widget_show (abox);
/* The table containing hue ranges */
table = gtk_table_new (7, 5, FALSE);
gtk_table_set_col_spacing (GTK_TABLE (table), 0, 4);
gtk_table_set_col_spacing (GTK_TABLE (table), 3, 4);
gtk_table_set_row_spacing (GTK_TABLE (table), 0, 2);
gtk_table_set_row_spacing (GTK_TABLE (table), 5, 2);
gtk_container_add (GTK_CONTAINER (abox), table);
/* the radio buttons for hue ranges */
for (i = 0; i < G_N_ELEMENTS (hue_range_table); i++)
{
button = gtk_radio_button_new_with_mnemonic (group,
gettext (hue_range_table[i].label));
group = gtk_radio_button_get_group (GTK_RADIO_BUTTON (button));
g_object_set_data (G_OBJECT (button), "gimp-item-data",
GINT_TO_POINTER (i));
gimp_help_set_help_data (button,
gettext (hue_range_table[i].tooltip),
NULL);
if (i == 0)
{
gtk_toggle_button_set_mode (GTK_TOGGLE_BUTTON (button), FALSE);
hs_tool->range_radio = button;
}
gtk_table_attach (GTK_TABLE (table), button,
hue_range_table[i].label_col,
hue_range_table[i].label_col + 1,
hue_range_table[i].label_row,
hue_range_table[i].label_row + 1,
GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
if (i > 0)
{
GimpRGB color = { 0.0 };
frame = gtk_frame_new (NULL);
gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN);
gtk_table_attach (GTK_TABLE (table), frame,
hue_range_table[i].frame_col,
hue_range_table[i].frame_col + 1,
hue_range_table[i].frame_row,
hue_range_table[i].frame_row + 1,
GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
gtk_widget_show (frame);
hs_tool->hue_range_color_area[i - 1] =
gimp_color_area_new (&color, GIMP_COLOR_AREA_FLAT, 0);
gtk_widget_set_size_request (hs_tool->hue_range_color_area[i - 1],
DA_WIDTH, DA_HEIGHT);
gtk_container_add (GTK_CONTAINER (frame),
hs_tool->hue_range_color_area[i - 1]);
gtk_widget_show (hs_tool->hue_range_color_area[i - 1]);
}
g_signal_connect (button, "toggled",
G_CALLBACK (hue_saturation_range_callback),
hs_tool);
gtk_widget_show (button);
}
gtk_widget_show (table);
label_group = gtk_size_group_new (GTK_SIZE_GROUP_HORIZONTAL);
spinner_group = gtk_size_group_new (GTK_SIZE_GROUP_HORIZONTAL);
/* Create the 'Overlap' option slider */
table = gtk_table_new (3, 1, FALSE);
gtk_table_set_col_spacings (GTK_TABLE (table), 4);
gtk_table_set_row_spacings (GTK_TABLE (table), 2);
gtk_box_pack_start (GTK_BOX (vbox), table, FALSE, FALSE, 0);
gtk_widget_show (table);
data = gimp_scale_entry_new (GTK_TABLE (table), 0, 0,
_("_Overlap:"), SLIDER_WIDTH, -1,
config->overlap * 100.0,
0.0, 100.0, 1.0, 15.0, 0,
TRUE, 0.0, 0.0,
NULL, NULL);
hs_tool->overlap_data = GTK_ADJUSTMENT (data);
gtk_size_group_add_widget (label_group, GIMP_SCALE_ENTRY_LABEL (data));
gtk_size_group_add_widget (spinner_group, GIMP_SCALE_ENTRY_SPINBUTTON (data));
g_object_unref (label_group);
g_object_unref (spinner_group);
slider = GIMP_SCALE_ENTRY_SCALE (data);
gtk_range_set_update_policy (GTK_RANGE (slider), GTK_UPDATE_CONTINUOUS);
g_signal_connect (data, "value-changed",
G_CALLBACK (hue_saturation_overlap_changed),
hs_tool);
frame = gimp_frame_new (_("Adjust Selected Color"));
gtk_box_pack_start (GTK_BOX (main_vbox), frame, FALSE, FALSE, 0);
gtk_widget_show (frame);
/* The table containing sliders */
vbox = gtk_vbox_new (FALSE, 4);
gtk_container_add (GTK_CONTAINER (frame), vbox);
gtk_widget_show (vbox);
table = gtk_table_new (3, 3, FALSE);
gtk_table_set_col_spacings (GTK_TABLE (table), 4);
gtk_table_set_row_spacings (GTK_TABLE (table), 2);
gtk_box_pack_start (GTK_BOX (vbox), table, FALSE, FALSE, 0);
gtk_widget_show (table);
/* Create the hue scale widget */
data = gimp_scale_entry_new (GTK_TABLE (table), 0, 0,
_("_Hue:"), SLIDER_WIDTH, -1,
config->hue[config->range] * 180.0,
-180.0, 180.0, 1.0, 15.0, 0,
TRUE, 0.0, 0.0,
NULL, NULL);
hs_tool->hue_data = GTK_ADJUSTMENT (data);
gtk_size_group_add_widget (label_group, GIMP_SCALE_ENTRY_LABEL (data));
gtk_size_group_add_widget (spinner_group, GIMP_SCALE_ENTRY_SPINBUTTON (data));
slider = GIMP_SCALE_ENTRY_SCALE (data);
gtk_range_set_update_policy (GTK_RANGE (slider), GTK_UPDATE_CONTINUOUS);
g_signal_connect (data, "value-changed",
G_CALLBACK (hue_saturation_hue_changed),
hs_tool);
/* Create the lightness scale widget */
data = gimp_scale_entry_new (GTK_TABLE (table), 0, 1,
_("_Lightness:"), SLIDER_WIDTH, -1,
config->lightness[config->range] * 100.0,
-100.0, 100.0, 1.0, 10.0, 0,
TRUE, 0.0, 0.0,
NULL, NULL);
hs_tool->lightness_data = GTK_ADJUSTMENT (data);
gtk_size_group_add_widget (label_group, GIMP_SCALE_ENTRY_LABEL (data));
gtk_size_group_add_widget (spinner_group, GIMP_SCALE_ENTRY_SPINBUTTON (data));
slider = GIMP_SCALE_ENTRY_SCALE (data);
gtk_range_set_update_policy (GTK_RANGE (slider), GTK_UPDATE_CONTINUOUS);
g_signal_connect (data, "value-changed",
G_CALLBACK (hue_saturation_lightness_changed),
hs_tool);
/* Create the saturation scale widget */
data = gimp_scale_entry_new (GTK_TABLE (table), 0, 2,
_("_Saturation:"), SLIDER_WIDTH, -1,
config->saturation[config->range] * 100.0,
-100.0, 100.0, 1.0, 10.0, 0,
TRUE, 0.0, 0.0,
NULL, NULL);
hs_tool->saturation_data = GTK_ADJUSTMENT (data);
gtk_size_group_add_widget (label_group, GIMP_SCALE_ENTRY_LABEL (data));
gtk_size_group_add_widget (spinner_group, GIMP_SCALE_ENTRY_SPINBUTTON (data));
slider = GIMP_SCALE_ENTRY_SCALE (data);
gtk_range_set_update_policy (GTK_RANGE (slider), GTK_UPDATE_CONTINUOUS);
g_signal_connect (hs_tool->saturation_data, "value-changed",
G_CALLBACK (hue_saturation_saturation_changed),
hs_tool);
hbox = gtk_hbox_new (FALSE, 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 (button, "clicked",
G_CALLBACK (hue_saturation_range_reset_callback),
hs_tool);
gimp_int_radio_group_set_active (GTK_RADIO_BUTTON (hs_tool->range_radio),
config->range);
hue_saturation_update_color_areas (hs_tool);
}
static void
gimp_hue_saturation_tool_reset (GimpImageMapTool *image_map_tool)
{
GimpHueSaturationTool *hs_tool = GIMP_HUE_SATURATION_TOOL (image_map_tool);
GimpHueRange range = hs_tool->config->range;
g_object_freeze_notify (image_map_tool->config);
if (image_map_tool->default_config)
{
gimp_config_copy (GIMP_CONFIG (image_map_tool->default_config),
GIMP_CONFIG (image_map_tool->config),
0);
}
else
{
gimp_config_reset (GIMP_CONFIG (image_map_tool->config));
}
g_object_set (hs_tool->config,
"range", range,
NULL);
g_object_thaw_notify (image_map_tool->config);
}
static void
hue_saturation_config_notify (GObject *object,
GParamSpec *pspec,
GimpHueSaturationTool *hs_tool)
{
GimpHueSaturationConfig *config = GIMP_HUE_SATURATION_CONFIG (object);
if (! hs_tool->hue_data)
return;
if (! strcmp (pspec->name, "range"))
{
gimp_int_radio_group_set_active (GTK_RADIO_BUTTON (hs_tool->range_radio),
config->range);
}
else if (! strcmp (pspec->name, "hue"))
{
gtk_adjustment_set_value (hs_tool->hue_data,
config->hue[config->range] * 180.0);
}
else if (! strcmp (pspec->name, "lightness"))
{
gtk_adjustment_set_value (hs_tool->lightness_data,
config->lightness[config->range] * 100.0);
}
else if (! strcmp (pspec->name, "saturation"))
{
gtk_adjustment_set_value (hs_tool->saturation_data,
config->saturation[config->range] * 100.0);
}
else if (! strcmp (pspec->name, "overlap"))
{
gtk_adjustment_set_value (hs_tool->overlap_data,
config->overlap * 100.0);
}
hue_saturation_update_color_areas (hs_tool);
gimp_image_map_tool_preview (GIMP_IMAGE_MAP_TOOL (hs_tool));
}
static void
hue_saturation_update_color_areas (GimpHueSaturationTool *hs_tool)
{
static GimpRGB default_colors[6] =
{
{ 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, }
};
gint i;
for (i = 0; i < 6; i++)
{
GimpRGB color = default_colors[i];
gimp_operation_hue_saturation_map (hs_tool->config, &color, i + 1,
&color);
gimp_color_area_set_color (GIMP_COLOR_AREA (hs_tool->hue_range_color_area[i]),
&color);
}
}
static void
hue_saturation_range_callback (GtkWidget *widget,
GimpHueSaturationTool *hs_tool)
{
if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (widget)))
{
GimpHueRange range;
gimp_radio_button_update (widget, &range);
g_object_set (hs_tool->config,
"range", range,
NULL);
}
}
static void
hue_saturation_range_reset_callback (GtkWidget *widget,
GimpHueSaturationTool *hs_tool)
{
gimp_hue_saturation_config_reset_range (hs_tool->config);
}
static void
hue_saturation_hue_changed (GtkAdjustment *adjustment,
GimpHueSaturationTool *hs_tool)
{
gdouble value = gtk_adjustment_get_value (adjustment) / 180.0;
if (hs_tool->config->hue[hs_tool->config->range] != value)
{
g_object_set (hs_tool->config,
"hue", value,
NULL);
}
}
static void
hue_saturation_lightness_changed (GtkAdjustment *adjustment,
GimpHueSaturationTool *hs_tool)
{
gdouble value = gtk_adjustment_get_value (adjustment) / 100.0;
if (hs_tool->config->lightness[hs_tool->config->range] != value)
{
g_object_set (hs_tool->config,
"lightness", value,
NULL);
}
}
static void
hue_saturation_saturation_changed (GtkAdjustment *adjustment,
GimpHueSaturationTool *hs_tool)
{
gdouble value = gtk_adjustment_get_value (adjustment) / 100.0;
if (hs_tool->config->saturation[hs_tool->config->range] != value)
{
g_object_set (hs_tool->config,
"saturation", value,
NULL);
}
}
static void
hue_saturation_overlap_changed (GtkAdjustment *adjustment,
GimpHueSaturationTool *hs_tool)
{
gdouble value = gtk_adjustment_get_value (adjustment) / 100.0;
if (hs_tool->config->overlap != value)
{
g_object_set (hs_tool->config,
"overlap", value,
NULL);
}
}
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