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gimp/app/actions/channels-commands.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 <string.h>
#include <gtk/gtk.h>
#include "libgimpbase/gimpbase.h"
#include "libgimpcolor/gimpcolor.h"
#include "libgimpwidgets/gimpwidgets.h"
#include "actions-types.h"
#include "core/gimpchannel.h"
#include "core/gimpchannel-select.h"
#include "core/gimpcontext.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/channel-options-dialog.h"
#include "actions.h"
#include "channels-commands.h"
#include "gimp-intl.h"
/* local function prototypes */
static void channels_new_channel_response (GtkWidget *widget,
gint response_id,
ChannelOptionsDialog *options);
static void channels_edit_channel_response (GtkWidget *widget,
gint response_id,
ChannelOptionsDialog *options);
/* private variables */
static gchar *channel_name = NULL;
static GimpRGB channel_color = { 0.0, 0.0, 0.0, 0.5 };
/* public functions */
void
channels_edit_attributes_cmd_callback (GtkAction *action,
gpointer data)
{
ChannelOptionsDialog *options;
GimpImage *image;
GimpChannel *channel;
GtkWidget *widget;
return_if_no_channel (image, channel, data);
return_if_no_widget (widget, data);
options = channel_options_dialog_new (image,
action_data_get_context (data),
channel,
widget,
&channel->color,
gimp_object_get_name (GIMP_OBJECT (channel)),
_("Channel Attributes"),
"gimp-channel-edit",
GTK_STOCK_EDIT,
_("Edit Channel Attributes"),
GIMP_HELP_CHANNEL_EDIT,
_("Edit Channel Color"),
_("_Fill opacity:"),
FALSE);
g_signal_connect (options->dialog, "response",
G_CALLBACK (channels_edit_channel_response),
options);
gtk_widget_show (options->dialog);
}
void
channels_new_cmd_callback (GtkAction *action,
gpointer data)
{
ChannelOptionsDialog *options;
GimpImage *image;
GtkWidget *widget;
return_if_no_image (image, data);
return_if_no_widget (widget, data);
options = channel_options_dialog_new (image,
action_data_get_context (data),
NULL,
widget,
&channel_color,
channel_name ? channel_name :
_("New Channel"),
_("New Channel"),
"gimp-channel-new",
GIMP_STOCK_CHANNEL,
_("New Channel Options"),
GIMP_HELP_CHANNEL_NEW,
_("New Channel Color"),
_("_Fill opacity:"),
TRUE);
g_signal_connect (options->dialog, "response",
G_CALLBACK (channels_new_channel_response),
options);
gtk_widget_show (options->dialog);
}
void
channels_new_last_vals_cmd_callback (GtkAction *action,
gpointer data)
{
GimpImage *image;
GimpChannel *new_channel;
gint width, height;
GimpRGB color;
return_if_no_image (image, data);
if (GIMP_IS_CHANNEL (GIMP_ACTION (action)->viewable))
{
GimpChannel *template = GIMP_CHANNEL (GIMP_ACTION (action)->viewable);
width = gimp_item_width (GIMP_ITEM (template));
height = gimp_item_height (GIMP_ITEM (template));
color = template->color;
}
else
{
width = gimp_image_get_width (image);
height = gimp_image_get_height (image);
color = channel_color;
}
gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_EDIT_PASTE,
_("New Channel"));
new_channel = gimp_channel_new (image, width, height,
channel_name ? channel_name :
_("New Channel"), &color);
gimp_drawable_fill_by_type (GIMP_DRAWABLE (new_channel),
action_data_get_context (data),
GIMP_TRANSPARENT_FILL);
gimp_image_add_channel (image, new_channel, -1);
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_channel (image, channel);
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_channel_to_top (image, 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_channel (image, channel);
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_channel_to_bottom (image, channel);
gimp_image_flush (image);
}
void
channels_duplicate_cmd_callback (GtkAction *action,
gpointer data)
{
GimpImage *image;
GimpChannel *new_channel;
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),
TRUE));
}
gimp_image_add_channel (image, new_channel, -1);
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);
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_channel_select_channel (gimp_image_get_mask (image),
_("Channel to Selection"),
channel, 0, 0,
op, FALSE, 0.0, 0.0);
}
gimp_image_flush (image);
}
/* private functions */
static void
channels_new_channel_response (GtkWidget *widget,
gint response_id,
ChannelOptionsDialog *options)
{
if (response_id == GTK_RESPONSE_OK)
{
GimpChannel *new_channel;
if (channel_name)
g_free (channel_name);
channel_name =
g_strdup (gtk_entry_get_text (GTK_ENTRY (options->name_entry)));
gimp_color_button_get_color (GIMP_COLOR_BUTTON (options->color_panel),
&channel_color);
if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (options->save_sel_checkbutton)))
{
GimpChannel *selection = gimp_image_get_mask (options->image);
new_channel =
GIMP_CHANNEL (gimp_item_duplicate (GIMP_ITEM (selection),
GIMP_TYPE_CHANNEL,
FALSE));
gimp_object_set_name (GIMP_OBJECT (new_channel), channel_name);
gimp_channel_set_color (new_channel, &channel_color, FALSE);
}
else
{
new_channel = gimp_channel_new (options->image,
options->image->width,
options->image->height,
channel_name,
&channel_color);
gimp_drawable_fill_by_type (GIMP_DRAWABLE (new_channel),
options->context,
GIMP_TRANSPARENT_FILL);
}
gimp_image_add_channel (options->image, new_channel, -1);
gimp_image_flush (options->image);
}
gtk_widget_destroy (options->dialog);
}
static void
channels_edit_channel_response (GtkWidget *widget,
gint response_id,
ChannelOptionsDialog *options)
{
if (response_id == GTK_RESPONSE_OK)
{
GimpChannel *channel = options->channel;
const gchar *new_name;
GimpRGB color;
gboolean name_changed = FALSE;
gboolean color_changed = FALSE;
new_name = gtk_entry_get_text (GTK_ENTRY (options->name_entry));
gimp_color_button_get_color (GIMP_COLOR_BUTTON (options->color_panel),
&color);
if (strcmp (new_name, gimp_object_get_name (GIMP_OBJECT (channel))))
name_changed = TRUE;
if (gimp_rgba_distance (&color, &channel->color) > 0.0001)
color_changed = TRUE;
if (name_changed && color_changed)
gimp_image_undo_group_start (options->image,
GIMP_UNDO_GROUP_ITEM_PROPERTIES,
_("Channel Attributes"));
if (name_changed)
gimp_item_rename (GIMP_ITEM (channel), new_name);
if (color_changed)
gimp_channel_set_color (channel, &color, TRUE);
if (name_changed && color_changed)
gimp_image_undo_group_end (options->image);
if (name_changed || color_changed)
gimp_image_flush (options->image);
}
gtk_widget_destroy (options->dialog);
}
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