gimp/app/actions/colormap-commands.c

162 lines
4.9 KiB
C

/* 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 <gegl.h>
#include <gtk/gtk.h>
#include "libgimpcolor/gimpcolor.h"
#include "libgimpwidgets/gimpwidgets.h"
#include "actions-types.h"
#include "core/gimpcontext.h"
#include "core/gimpimage.h"
#include "core/gimpimage-colormap.h"
#include "widgets/gimpcolordialog.h"
#include "widgets/gimpcolormapeditor.h"
#include "widgets/gimpdialogfactory.h"
#include "actions.h"
#include "colormap-commands.h"
#include "gimp-intl.h"
/* local function prototypes */
static void colormap_edit_color_update (GimpColorDialog *dialog,
const GimpRGB *color,
GimpColorDialogState state,
GimpColormapEditor *editor);
/* public functions */
void
colormap_edit_color_cmd_callback (GtkAction *action,
gpointer data)
{
GimpColormapEditor *editor;
GimpImage *image;
const guchar *colormap;
GimpRGB color;
gchar *desc;
return_if_no_image (image, data);
editor = GIMP_COLORMAP_EDITOR (data);
colormap = gimp_image_get_colormap (image);
gimp_rgba_set_uchar (&color,
colormap[editor->col_index * 3],
colormap[editor->col_index * 3 + 1],
colormap[editor->col_index * 3 + 2],
255);
desc = g_strdup_printf (_("Edit colormap entry #%d"), editor->col_index);
if (! editor->color_dialog)
{
editor->color_dialog =
gimp_color_dialog_new (GIMP_VIEWABLE (image),
action_data_get_context (data),
_("Edit Colormap Entry"),
GIMP_STOCK_COLORMAP,
desc,
GTK_WIDGET (editor),
gimp_dialog_factory_get_singleton (),
"gimp-colormap-editor-color-dialog",
(const GimpRGB *) &color,
FALSE, FALSE);
g_signal_connect (editor->color_dialog, "destroy",
G_CALLBACK (gtk_widget_destroyed),
&editor->color_dialog);
g_signal_connect (editor->color_dialog, "update",
G_CALLBACK (colormap_edit_color_update),
editor);
}
else
{
gimp_viewable_dialog_set_viewable (GIMP_VIEWABLE_DIALOG (editor->color_dialog),
GIMP_VIEWABLE (image),
action_data_get_context (data));
g_object_set (editor->color_dialog, "description", desc, NULL);
gimp_color_dialog_set_color (GIMP_COLOR_DIALOG (editor->color_dialog),
&color);
}
g_free (desc);
gtk_window_present (GTK_WINDOW (editor->color_dialog));
}
void
colormap_add_color_cmd_callback (GtkAction *action,
gint value,
gpointer data)
{
GimpContext *context;
GimpImage *image;
return_if_no_context (context, data);
return_if_no_image (image, data);
if (gimp_image_get_colormap_size (image) < 256)
{
GimpRGB color;
if (value)
gimp_context_get_background (context, &color);
else
gimp_context_get_foreground (context, &color);
gimp_image_add_colormap_entry (image, &color);
gimp_image_flush (image);
}
}
/* private functions */
static void
colormap_edit_color_update (GimpColorDialog *dialog,
const GimpRGB *color,
GimpColorDialogState state,
GimpColormapEditor *editor)
{
GimpImage *image = GIMP_IMAGE_EDITOR (editor)->image;
switch (state)
{
case GIMP_COLOR_DIALOG_UPDATE:
break;
case GIMP_COLOR_DIALOG_OK:
gimp_image_set_colormap_entry (image, editor->col_index, color, TRUE);
gimp_image_flush (image);
/* Fall through */
case GIMP_COLOR_DIALOG_CANCEL:
gtk_widget_hide (editor->color_dialog);
break;
}
}