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gimp/app/tools/gimpcolorizetool.c

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/* The GIMP -- an 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 2 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, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include <gtk/gtk.h>
#include "libgimpcolor/gimpcolor.h"
#include "libgimpmath/gimpmath.h"
#include "libgimpwidgets/gimpwidgets.h"
#include "tools-types.h"
#include "base/colorize.h"
#include "core/gimpdrawable.h"
#include "core/gimpimage.h"
#include "core/gimpimagemap.h"
#include "widgets/gimphelp-ids.h"
#include "display/gimpdisplay.h"
#include "gimpcolorizetool.h"
#include "gimp-intl.h"
#define SLIDER_WIDTH 200
#define DA_WIDTH 40
#define DA_HEIGHT 20
#define HUE_SLIDER (1 << 0)
#define SATURATION_SLIDER (1 << 1)
#define LIGHTNESS_SLIDER (1 << 2)
#define DRAW (1 << 3)
#define SLIDERS (HUE_SLIDER | LIGHTNESS_SLIDER | SATURATION_SLIDER)
#define ALL (SLIDERS | DRAW)
/* local function prototypes */
static void gimp_colorize_tool_class_init (GimpColorizeToolClass *klass);
static void gimp_colorize_tool_init (GimpColorizeTool *tool);
static void gimp_colorize_tool_finalize (GObject *object);
static gboolean gimp_colorize_tool_initialize (GimpTool *tool,
GimpDisplay *gdisp);
static void gimp_colorize_tool_map (GimpImageMapTool *image_map_tool);
static void gimp_colorize_tool_dialog (GimpImageMapTool *image_map_tool);
static void gimp_colorize_tool_reset (GimpImageMapTool *image_map_tool);
static void colorize_update (GimpColorizeTool *col_tool,
gint update);
static void colorize_hue_adj_update (GtkAdjustment *adj,
GimpColorizeTool *col_tool);
static void colorize_saturation_adj_update (GtkAdjustment *adj,
GimpColorizeTool *col_tool);
static void colorize_lightness_adj_update (GtkAdjustment *adj,
GimpColorizeTool *col_tool);
/* private variables */
static GimpImageMapToolClass *parent_class = NULL;
/* public functions */
void
gimp_colorize_tool_register (GimpToolRegisterCallback callback,
gpointer data)
{
(* callback) (GIMP_TYPE_COLORIZE_TOOL,
G_TYPE_NONE, NULL,
0,
"gimp-colorize-tool",
_("Colorize"),
_("Colorize the image"),
N_("/Tools/Color Tools/Colori_ze..."), NULL,
NULL, GIMP_HELP_TOOL_COLORIZE,
GIMP_STOCK_TOOL_COLORIZE,
data);
}
GType
gimp_colorize_tool_get_type (void)
{
static GType tool_type = 0;
if (! tool_type)
{
static const GTypeInfo tool_info =
{
sizeof (GimpColorizeToolClass),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) gimp_colorize_tool_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (GimpColorizeTool),
0, /* n_preallocs */
(GInstanceInitFunc) gimp_colorize_tool_init,
};
tool_type = g_type_register_static (GIMP_TYPE_IMAGE_MAP_TOOL,
"GimpColorizeTool",
&tool_info, 0);
}
return tool_type;
}
/* private functions */
static void
gimp_colorize_tool_class_init (GimpColorizeToolClass *klass)
{
GObjectClass *object_class;
GimpToolClass *tool_class;
GimpImageMapToolClass *image_map_tool_class;
object_class = G_OBJECT_CLASS (klass);
tool_class = GIMP_TOOL_CLASS (klass);
image_map_tool_class = GIMP_IMAGE_MAP_TOOL_CLASS (klass);
parent_class = g_type_class_peek_parent (klass);
object_class->finalize = gimp_colorize_tool_finalize;
tool_class->initialize = gimp_colorize_tool_initialize;
image_map_tool_class->map = gimp_colorize_tool_map;
image_map_tool_class->dialog = gimp_colorize_tool_dialog;
image_map_tool_class->reset = gimp_colorize_tool_reset;
}
static void
gimp_colorize_tool_init (GimpColorizeTool *col_tool)
{
GimpImageMapTool *image_map_tool = GIMP_IMAGE_MAP_TOOL (col_tool);
image_map_tool->shell_desc = _("Colorize the Image");
col_tool->colorize = g_new0 (Colorize, 1);
colorize_init (col_tool->colorize);
}
static void
gimp_colorize_tool_finalize (GObject *object)
{
GimpColorizeTool *col_tool = GIMP_COLORIZE_TOOL (object);
if (col_tool->colorize)
{
g_free (col_tool->colorize);
col_tool->colorize = NULL;
}
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static gboolean
gimp_colorize_tool_initialize (GimpTool *tool,
GimpDisplay *gdisp)
{
GimpColorizeTool *col_tool = GIMP_COLORIZE_TOOL (tool);
GimpDrawable *drawable;
drawable = gimp_image_active_drawable (gdisp->gimage);
if (! drawable)
return FALSE;
if (! gimp_drawable_is_rgb (drawable))
{
g_message (_("Colorize operates only on RGB color layers."));
return FALSE;
}
colorize_init (col_tool->colorize);
GIMP_TOOL_CLASS (parent_class)->initialize (tool, gdisp);
colorize_update (col_tool, ALL);
gimp_image_map_tool_preview (GIMP_IMAGE_MAP_TOOL (tool));
return FALSE;
}
static void
gimp_colorize_tool_map (GimpImageMapTool *image_map_tool)
{
GimpColorizeTool *col_tool = GIMP_COLORIZE_TOOL (image_map_tool);
gimp_image_map_apply (image_map_tool->image_map,
(GimpImageMapApplyFunc) colorize,
col_tool->colorize);
}
/***************************/
/* Hue-Saturation dialog */
/***************************/
static void
gimp_colorize_tool_dialog (GimpImageMapTool *image_map_tool)
{
GimpColorizeTool *col_tool = GIMP_COLORIZE_TOOL (image_map_tool);
GtkWidget *table;
GtkWidget *slider;
GtkWidget *frame;
GtkWidget *vbox;
GtkObject *data;
frame = gtk_frame_new (_("Select Color"));
gtk_box_pack_start (GTK_BOX (image_map_tool->main_vbox), frame,
FALSE, FALSE, 0);
gtk_widget_show (frame);
/* The table containing sliders */
vbox = gtk_vbox_new (FALSE, 4);
gtk_container_set_border_width (GTK_CONTAINER (vbox), 2);
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,
0.0, 0.0, 360.0, 1.0, 15.0, 0,
TRUE, 0.0, 0.0,
NULL, NULL);
col_tool->hue_data = GTK_ADJUSTMENT (data);
slider = GIMP_SCALE_ENTRY_SCALE (data);
gtk_range_set_update_policy (GTK_RANGE (slider), GTK_UPDATE_DELAYED);
g_signal_connect (data, "value_changed",
G_CALLBACK (colorize_hue_adj_update),
col_tool);
/* Create the saturation scale widget */
data = gimp_scale_entry_new (GTK_TABLE (table), 0, 1,
_("_Saturation:"), SLIDER_WIDTH, -1,
0.0, 0.0, 100.0, 1.0, 10.0, 0,
TRUE, 0.0, 0.0,
NULL, NULL);
col_tool->saturation_data = GTK_ADJUSTMENT (data);
slider = GIMP_SCALE_ENTRY_SCALE (data);
gtk_range_set_update_policy (GTK_RANGE (slider), GTK_UPDATE_DELAYED);
g_signal_connect (col_tool->saturation_data, "value_changed",
G_CALLBACK (colorize_saturation_adj_update),
col_tool);
/* Create the lightness scale widget */
data = gimp_scale_entry_new (GTK_TABLE (table), 0, 2,
_("_Lightness:"), SLIDER_WIDTH, -1,
0.0, -100.0, 100.0, 1.0, 10.0, 0,
TRUE, 0.0, 0.0,
NULL, NULL);
col_tool->lightness_data = GTK_ADJUSTMENT (data);
slider = GIMP_SCALE_ENTRY_SCALE (data);
gtk_range_set_update_policy (GTK_RANGE (slider), GTK_UPDATE_DELAYED);
g_signal_connect (data, "value_changed",
G_CALLBACK (colorize_lightness_adj_update),
col_tool);
}
static void
gimp_colorize_tool_reset (GimpImageMapTool *image_map_tool)
{
GimpColorizeTool *col_tool = GIMP_COLORIZE_TOOL (image_map_tool);
colorize_init (col_tool->colorize);
colorize_update (col_tool, ALL);
}
static void
colorize_update (GimpColorizeTool *col_tool,
gint update)
{
colorize_calculate (col_tool->colorize);
if (update & HUE_SLIDER)
gtk_adjustment_set_value (GTK_ADJUSTMENT (col_tool->hue_data),
col_tool->colorize->hue);
if (update & SATURATION_SLIDER)
gtk_adjustment_set_value (GTK_ADJUSTMENT (col_tool->saturation_data),
col_tool->colorize->saturation);
if (update & LIGHTNESS_SLIDER)
gtk_adjustment_set_value (GTK_ADJUSTMENT (col_tool->lightness_data),
col_tool->colorize->lightness);
}
static void
colorize_hue_adj_update (GtkAdjustment *adjustment,
GimpColorizeTool *col_tool)
{
if (col_tool->colorize->hue != adjustment->value)
{
col_tool->colorize->hue = adjustment->value;
colorize_update (col_tool, DRAW);
gimp_image_map_tool_preview (GIMP_IMAGE_MAP_TOOL (col_tool));
}
}
static void
colorize_saturation_adj_update (GtkAdjustment *adjustment,
GimpColorizeTool *col_tool)
{
if (col_tool->colorize->saturation != adjustment->value)
{
col_tool->colorize->saturation = adjustment->value;
colorize_update (col_tool, DRAW);
gimp_image_map_tool_preview (GIMP_IMAGE_MAP_TOOL (col_tool));
}
}
static void
colorize_lightness_adj_update (GtkAdjustment *adjustment,
GimpColorizeTool *col_tool)
{
if (col_tool->colorize->lightness != adjustment->value)
{
col_tool->colorize->lightness = adjustment->value;
colorize_update (col_tool, DRAW);
gimp_image_map_tool_preview (GIMP_IMAGE_MAP_TOOL (col_tool));
}
}
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