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gimp/app/tools/gimpcolorizetool.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 "gegl/gimpcolorizeconfig.h"
#include "core/gimpdrawable.h"
#include "core/gimperror.h"
#include "core/gimpimage.h"
#include "widgets/gimphelp-ids.h"
#include "display/gimpdisplay.h"
#include "gimpcolorizetool.h"
#include "gimpimagemapoptions.h"
#include "gimp-intl.h"
#define SLIDER_WIDTH 200
#define SPINNER_WIDTH 4
/* local function prototypes */
static gboolean gimp_colorize_tool_initialize (GimpTool *tool,
GimpDisplay *display,
GError **error);
static GeglNode * gimp_colorize_tool_get_operation (GimpImageMapTool *im_tool,
GObject **config);
static void gimp_colorize_tool_dialog (GimpImageMapTool *im_tool);
static void gimp_colorize_tool_config_notify (GObject *object,
GParamSpec *pspec,
GimpColorizeTool *col_tool);
static void colorize_hue_changed (GtkAdjustment *adj,
GimpColorizeTool *col_tool);
static void colorize_saturation_changed (GtkAdjustment *adj,
GimpColorizeTool *col_tool);
static void colorize_lightness_changed (GtkAdjustment *adj,
GimpColorizeTool *col_tool);
G_DEFINE_TYPE (GimpColorizeTool, gimp_colorize_tool, GIMP_TYPE_IMAGE_MAP_TOOL)
#define parent_class gimp_colorize_tool_parent_class
void
gimp_colorize_tool_register (GimpToolRegisterCallback callback,
gpointer data)
{
(* callback) (GIMP_TYPE_COLORIZE_TOOL,
GIMP_TYPE_IMAGE_MAP_OPTIONS, NULL,
0,
"gimp-colorize-tool",
_("Colorize"),
_("Colorize Tool: Colorize the image"),
N_("Colori_ze..."), NULL,
NULL, GIMP_HELP_TOOL_COLORIZE,
GIMP_STOCK_TOOL_COLORIZE,
data);
}
static void
gimp_colorize_tool_class_init (GimpColorizeToolClass *klass)
{
GimpToolClass *tool_class = GIMP_TOOL_CLASS (klass);
GimpImageMapToolClass *im_tool_class = GIMP_IMAGE_MAP_TOOL_CLASS (klass);
tool_class->initialize = gimp_colorize_tool_initialize;
im_tool_class->dialog_desc = _("Colorize the Image");
im_tool_class->settings_name = "colorize";
im_tool_class->import_dialog_title = _("Import Colorize Settings");
im_tool_class->export_dialog_title = _("Export Colorize Settings");
im_tool_class->get_operation = gimp_colorize_tool_get_operation;
im_tool_class->dialog = gimp_colorize_tool_dialog;
}
static void
gimp_colorize_tool_init (GimpColorizeTool *col_tool)
{
}
static gboolean
gimp_colorize_tool_initialize (GimpTool *tool,
GimpDisplay *display,
GError **error)
{
GimpColorizeTool *col_tool = GIMP_COLORIZE_TOOL (tool);
GimpImage *image = gimp_display_get_image (display);
GimpDrawable *drawable = gimp_image_get_active_drawable (image);
if (! drawable)
return FALSE;
if (gimp_drawable_is_gray (drawable))
{
g_set_error_literal (error, GIMP_ERROR, GIMP_FAILED,
_("Colorize does not operate on grayscale layers."));
return FALSE;
}
gimp_config_reset (GIMP_CONFIG (col_tool->config));
if (! GIMP_TOOL_CLASS (parent_class)->initialize (tool, display, error))
{
return FALSE;
}
gimp_image_map_tool_preview (GIMP_IMAGE_MAP_TOOL (tool));
return TRUE;
}
static GeglNode *
gimp_colorize_tool_get_operation (GimpImageMapTool *im_tool,
GObject **config)
{
GimpColorizeTool *col_tool = GIMP_COLORIZE_TOOL (im_tool);
GeglNode *node;
node = g_object_new (GEGL_TYPE_NODE,
"operation", "gimp:colorize",
NULL);
col_tool->config = g_object_new (GIMP_TYPE_COLORIZE_CONFIG, NULL);
*config = G_OBJECT (col_tool->config);
g_signal_connect_object (col_tool->config, "notify",
G_CALLBACK (gimp_colorize_tool_config_notify),
G_OBJECT (col_tool), 0);
gegl_node_set (node,
"config", col_tool->config,
NULL);
return node;
}
/***************************/
/* Hue-Saturation dialog */
/***************************/
static void
gimp_colorize_tool_dialog (GimpImageMapTool *image_map_tool)
{
GimpColorizeTool *col_tool = GIMP_COLORIZE_TOOL (image_map_tool);
GtkWidget *main_vbox;
GtkWidget *table;
GtkWidget *frame;
GtkWidget *vbox;
GtkObject *data;
main_vbox = gimp_image_map_tool_dialog_get_vbox (image_map_tool);
frame = gimp_frame_new (_("Select Color"));
gtk_box_pack_start (GTK_BOX (main_vbox), frame, FALSE, FALSE, 0);
gtk_widget_show (frame);
/* The table containing sliders */
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
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, SPINNER_WIDTH,
col_tool->config->hue * 360.0,
0.0, 360.0, 1.0, 15.0, 0,
TRUE, 0.0, 0.0,
NULL, NULL);
col_tool->hue_data = GTK_ADJUSTMENT (data);
g_signal_connect (data, "value-changed",
G_CALLBACK (colorize_hue_changed),
col_tool);
/* Create the saturation scale widget */
data = gimp_scale_entry_new (GTK_TABLE (table), 0, 1,
_("_Saturation:"), SLIDER_WIDTH, SPINNER_WIDTH,
col_tool->config->saturation * 100.0,
0.0, 100.0, 1.0, 10.0, 0,
TRUE, 0.0, 0.0,
NULL, NULL);
col_tool->saturation_data = GTK_ADJUSTMENT (data);
g_signal_connect (data, "value-changed",
G_CALLBACK (colorize_saturation_changed),
col_tool);
/* Create the lightness scale widget */
data = gimp_scale_entry_new (GTK_TABLE (table), 0, 2,
_("_Lightness:"), SLIDER_WIDTH, SPINNER_WIDTH,
col_tool->config->lightness * 100.0,
-100.0, 100.0, 1.0, 10.0, 0,
TRUE, 0.0, 0.0,
NULL, NULL);
col_tool->lightness_data = GTK_ADJUSTMENT (data);
g_signal_connect (data, "value-changed",
G_CALLBACK (colorize_lightness_changed),
col_tool);
}
static void
gimp_colorize_tool_config_notify (GObject *object,
GParamSpec *pspec,
GimpColorizeTool *col_tool)
{
GimpColorizeConfig *config = GIMP_COLORIZE_CONFIG (object);
if (! col_tool->hue_data)
return;
if (! strcmp (pspec->name, "hue"))
{
gtk_adjustment_set_value (col_tool->hue_data,
config->hue * 360.0);
}
else if (! strcmp (pspec->name, "saturation"))
{
gtk_adjustment_set_value (col_tool->saturation_data,
config->saturation * 100.0);
}
else if (! strcmp (pspec->name, "lightness"))
{
gtk_adjustment_set_value (col_tool->lightness_data,
config->lightness * 100.0);
}
gimp_image_map_tool_preview (GIMP_IMAGE_MAP_TOOL (col_tool));
}
static void
colorize_hue_changed (GtkAdjustment *adjustment,
GimpColorizeTool *col_tool)
{
gdouble value = gtk_adjustment_get_value (adjustment) / 360.0;
if (col_tool->config->hue != value)
{
g_object_set (col_tool->config,
"hue", value,
NULL);
}
}
static void
colorize_saturation_changed (GtkAdjustment *adjustment,
GimpColorizeTool *col_tool)
{
gdouble value = gtk_adjustment_get_value (adjustment) / 100.0;
if (col_tool->config->saturation != value)
{
g_object_set (col_tool->config,
"saturation", value,
NULL);
}
}
static void
colorize_lightness_changed (GtkAdjustment *adjustment,
GimpColorizeTool *col_tool)
{
gdouble value = gtk_adjustment_get_value (adjustment) / 100.0;
if (col_tool->config->lightness != value)
{
g_object_set (col_tool->config,
"lightness", value,
NULL);
}
}
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