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gimp/app/actions/channels-commands.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 "libgimpbase/gimpbase.h"
#include "libgimpcolor/gimpcolor.h"
#include "libgimpwidgets/gimpwidgets.h"
#include "actions-types.h"
#include "config/gimpdialogconfig.h"
#include "core/gimp.h"
#include "core/gimpchannel.h"
#include "core/gimpchannel-select.h"
#include "core/gimpcontext.h"
#include "core/gimpdrawable-fill.h"
#include "core/gimpimage.h"
#include "core/gimpimage-undo.h"
#include "widgets/gimpaction.h"
#include "widgets/gimpcolorpanel.h"
#include "widgets/gimpcomponenteditor.h"
#include "widgets/gimpdock.h"
#include "widgets/gimphelp-ids.h"
#include "dialogs/dialogs.h"
#include "dialogs/channel-options-dialog.h"
#include "actions.h"
#include "channels-commands.h"
#include "gimp-intl.h"
/* local function prototypes */
static void channels_new_callback (GtkWidget *dialog,
GimpImage *image,
GimpChannel *channel,
GimpContext *context,
const gchar *channel_name,
const GimpRGB *channel_color,
gboolean save_selection,
gpointer user_data);
static void channels_edit_attributes_callback (GtkWidget *dialog,
GimpImage *image,
GimpChannel *channel,
GimpContext *context,
const gchar *channel_name,
const GimpRGB *channel_color,
gboolean save_selection,
gpointer user_data);
/* public functions */
void
channels_edit_attributes_cmd_callback (GtkAction *action,
gpointer data)
{
GimpImage *image;
GimpChannel *channel;
GtkWidget *widget;
GtkWidget *dialog;
return_if_no_channel (image, channel, data);
return_if_no_widget (widget, data);
#define EDIT_DIALOG_KEY "gimp-channel-edit-attributes-dialog"
dialog = dialogs_get_dialog (G_OBJECT (channel), EDIT_DIALOG_KEY);
if (! dialog)
{
dialog = channel_options_dialog_new (image, channel,
action_data_get_context (data),
widget,
_("Channel Attributes"),
"gimp-channel-edit",
"gtk-edit",
_("Edit Channel Attributes"),
GIMP_HELP_CHANNEL_EDIT,
gimp_object_get_name (channel),
&channel->color,
_("Edit Channel Color"),
_("_Fill opacity:"),
FALSE,
channels_edit_attributes_callback,
NULL);
dialogs_attach_dialog (G_OBJECT (channel), EDIT_DIALOG_KEY, dialog);
}
gtk_window_present (GTK_WINDOW (dialog));
}
void
channels_new_cmd_callback (GtkAction *action,
gpointer data)
{
GimpImage *image;
GtkWidget *widget;
GtkWidget *dialog;
return_if_no_image (image, data);
return_if_no_widget (widget, data);
#define NEW_DIALOG_KEY "gimp-channel-new-dialog"
dialog = dialogs_get_dialog (G_OBJECT (image), NEW_DIALOG_KEY);
if (! dialog)
{
GimpDialogConfig *config = GIMP_DIALOG_CONFIG (image->gimp->config);
dialog = channel_options_dialog_new (image, NULL,
action_data_get_context (data),
widget,
_("New Channel"),
"gimp-channel-new",
GIMP_STOCK_CHANNEL,
_("New Channel Options"),
GIMP_HELP_CHANNEL_NEW,
config->channel_new_name,
&config->channel_new_color,
_("New Channel Color"),
_("_Fill opacity:"),
TRUE,
channels_new_callback,
NULL);
dialogs_attach_dialog (G_OBJECT (image), NEW_DIALOG_KEY, dialog);
}
gtk_window_present (GTK_WINDOW (dialog));
}
void
channels_new_last_vals_cmd_callback (GtkAction *action,
gpointer data)
{
GimpImage *image;
GimpChannel *new_channel;
gint width, height;
GimpRGB color;
GimpDialogConfig *config;
return_if_no_image (image, data);
config = GIMP_DIALOG_CONFIG (image->gimp->config);
if (GIMP_IS_CHANNEL (GIMP_ACTION (action)->viewable))
{
GimpChannel *template = GIMP_CHANNEL (GIMP_ACTION (action)->viewable);
width = gimp_item_get_width (GIMP_ITEM (template));
height = gimp_item_get_height (GIMP_ITEM (template));
color = template->color;
}
else
{
width = gimp_image_get_width (image);
height = gimp_image_get_height (image);
color = config->channel_new_color;
}
gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_EDIT_PASTE,
_("New Channel"));
new_channel = gimp_channel_new (image, width, height,
config->channel_new_name, &color);
gimp_drawable_fill (GIMP_DRAWABLE (new_channel),
action_data_get_context (data),
GIMP_FILL_TRANSPARENT);
gimp_image_add_channel (image, new_channel,
GIMP_IMAGE_ACTIVE_PARENT, -1, TRUE);
gimp_image_undo_group_end (image);
gimp_image_flush (image);
}
void
channels_raise_cmd_callback (GtkAction *action,
gpointer data)
{
GimpImage *image;
GimpChannel *channel;
return_if_no_channel (image, channel, data);
gimp_image_raise_item (image, GIMP_ITEM (channel), NULL);
gimp_image_flush (image);
}
void
channels_raise_to_top_cmd_callback (GtkAction *action,
gpointer data)
{
GimpImage *image;
GimpChannel *channel;
return_if_no_channel (image, channel, data);
gimp_image_raise_item_to_top (image, GIMP_ITEM (channel));
gimp_image_flush (image);
}
void
channels_lower_cmd_callback (GtkAction *action,
gpointer data)
{
GimpImage *image;
GimpChannel *channel;
return_if_no_channel (image, channel, data);
gimp_image_lower_item (image, GIMP_ITEM (channel), NULL);
gimp_image_flush (image);
}
void
channels_lower_to_bottom_cmd_callback (GtkAction *action,
gpointer data)
{
GimpImage *image;
GimpChannel *channel;
return_if_no_channel (image, channel, data);
gimp_image_lower_item_to_bottom (image, GIMP_ITEM (channel));
gimp_image_flush (image);
}
void
channels_duplicate_cmd_callback (GtkAction *action,
gpointer data)
{
GimpImage *image;
GimpChannel *new_channel;
GimpChannel *parent = GIMP_IMAGE_ACTIVE_PARENT;
if (GIMP_IS_COMPONENT_EDITOR (data))
{
GimpChannelType component;
const gchar *desc;
gchar *name;
return_if_no_image (image, data);
component = GIMP_COMPONENT_EDITOR (data)->clicked_component;
gimp_enum_get_value (GIMP_TYPE_CHANNEL_TYPE, component,
NULL, NULL, &desc, NULL);
name = g_strdup_printf (_("%s Channel Copy"), desc);
new_channel = gimp_channel_new_from_component (image, component,
name, NULL);
/* copied components are invisible by default so subsequent copies
* of components don't affect each other
*/
gimp_item_set_visible (GIMP_ITEM (new_channel), FALSE, FALSE);
g_free (name);
}
else
{
GimpChannel *channel;
return_if_no_channel (image, channel, data);
new_channel =
GIMP_CHANNEL (gimp_item_duplicate (GIMP_ITEM (channel),
G_TYPE_FROM_INSTANCE (channel)));
/* use the actual parent here, not GIMP_IMAGE_ACTIVE_PARENT because
* the latter would add a duplicated group inside itself instead of
* above it
*/
parent = gimp_channel_get_parent (channel);
}
gimp_image_add_channel (image, new_channel, parent, -1, TRUE);
gimp_image_flush (image);
}
void
channels_delete_cmd_callback (GtkAction *action,
gpointer data)
{
GimpImage *image;
GimpChannel *channel;
return_if_no_channel (image, channel, data);
gimp_image_remove_channel (image, channel, TRUE, NULL);
gimp_image_flush (image);
}
void
channels_to_selection_cmd_callback (GtkAction *action,
gint value,
gpointer data)
{
GimpChannelOps op;
GimpImage *image;
op = (GimpChannelOps) value;
if (GIMP_IS_COMPONENT_EDITOR (data))
{
GimpChannelType component;
return_if_no_image (image, data);
component = GIMP_COMPONENT_EDITOR (data)->clicked_component;
gimp_channel_select_component (gimp_image_get_mask (image), component,
op, FALSE, 0.0, 0.0);
}
else
{
GimpChannel *channel;
return_if_no_channel (image, channel, data);
gimp_item_to_selection (GIMP_ITEM (channel),
op, TRUE, FALSE, 0.0, 0.0);
}
gimp_image_flush (image);
}
/* private functions */
static void
channels_new_callback (GtkWidget *dialog,
GimpImage *image,
GimpChannel *channel,
GimpContext *context,
const gchar *channel_name,
const GimpRGB *channel_color,
gboolean save_selection,
gpointer user_data)
{
GimpDialogConfig *config = GIMP_DIALOG_CONFIG (image->gimp->config);
g_object_set (config,
"channel-new-name", channel_name,
"channel-new-color", channel_color,
NULL);
if (save_selection)
{
GimpChannel *selection = gimp_image_get_mask (image);
channel = GIMP_CHANNEL (gimp_item_duplicate (GIMP_ITEM (selection),
GIMP_TYPE_CHANNEL));
gimp_object_set_name (GIMP_OBJECT (channel),
config->channel_new_name);
gimp_channel_set_color (channel, &config->channel_new_color, FALSE);
}
else
{
channel = gimp_channel_new (image,
gimp_image_get_width (image),
gimp_image_get_height (image),
config->channel_new_name,
&config->channel_new_color);
gimp_drawable_fill (GIMP_DRAWABLE (channel), context,
GIMP_FILL_TRANSPARENT);
}
gimp_image_add_channel (image, channel,
GIMP_IMAGE_ACTIVE_PARENT, -1, TRUE);
gimp_image_flush (image);
gtk_widget_destroy (dialog);
}
static void
channels_edit_attributes_callback (GtkWidget *dialog,
GimpImage *image,
GimpChannel *channel,
GimpContext *context,
const gchar *channel_name,
const GimpRGB *channel_color,
gboolean save_selection,
gpointer user_data)
{
gboolean name_changed = FALSE;
gboolean color_changed = FALSE;
if (strcmp (channel_name, gimp_object_get_name (channel)))
name_changed = TRUE;
if (gimp_rgba_distance (channel_color, &channel->color) > 0.0001)
color_changed = TRUE;
if (name_changed || color_changed)
{
if (name_changed && color_changed)
gimp_image_undo_group_start (image,
GIMP_UNDO_GROUP_ITEM_PROPERTIES,
_("Channel Attributes"));
if (name_changed)
gimp_item_rename (GIMP_ITEM (channel), channel_name, NULL);
if (color_changed)
gimp_channel_set_color (channel, channel_color, TRUE);
if (name_changed && color_changed)
gimp_image_undo_group_end (image);
gimp_image_flush (image);
}
gtk_widget_destroy (dialog);
}
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