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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 <https://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/gimpcontainer.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 "items-commands.h"
#include "gimp-intl.h"
#define RGBA_EPSILON 1e-6
/* local function prototypes */
static void channels_new_callback (GtkWidget *dialog,
GimpImage *image,
GimpChannel *channel,
GimpContext *context,
const gchar *channel_name,
GeglColor *channel_color,
gboolean save_selection,
gboolean channel_visible,
GimpColorTag channel_color_tag,
gboolean channel_lock_content,
gboolean channel_lock_position,
gboolean channel_lock_visibility,
gpointer user_data);
static void channels_edit_attributes_callback (GtkWidget *dialog,
GimpImage *image,
GimpChannel *channel,
GimpContext *context,
const gchar *channel_name,
GeglColor *channel_color,
gboolean save_selection,
gboolean channel_visible,
GimpColorTag channel_color_tag,
gboolean channel_lock_content,
gboolean channel_lock_position,
gboolean channel_lock_visibility,
gpointer user_data);
/* public functions */
void
channels_edit_attributes_cmd_callback (GimpAction *action,
GVariant *value,
gpointer data)
{
GimpImage *image;
GimpChannel *channel;
GList *channels;
GtkWidget *widget;
GtkWidget *dialog;
return_if_no_channels (image, channels, data);
return_if_no_widget (widget, data);
#define EDIT_DIALOG_KEY "gimp-channel-edit-attributes-dialog"
if (g_list_length (channels) != 1)
return;
channel = channels->data;
dialog = dialogs_get_dialog (G_OBJECT (channel), EDIT_DIALOG_KEY);
if (! dialog)
{
GimpItem *item = GIMP_ITEM (channel);
dialog = channel_options_dialog_new (image, channel,
action_data_get_context (data),
widget,
_("Channel Attributes"),
"gimp-channel-edit",
GIMP_ICON_EDIT,
_("Edit Channel Attributes"),
GIMP_HELP_CHANNEL_EDIT,
_("Edit Channel Color"),
_("_Fill opacity:"),
FALSE,
gimp_object_get_name (channel),
channel->color,
gimp_item_get_visible (item),
gimp_item_get_color_tag (item),
gimp_item_get_lock_content (item),
gimp_item_get_lock_position (item),
gimp_item_get_lock_visibility (item),
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 (GimpAction *action,
GVariant *value,
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_ICON_CHANNEL,
_("Create a New Channel"),
GIMP_HELP_CHANNEL_NEW,
_("New Channel Color"),
_("_Fill opacity:"),
TRUE,
config->channel_new_name,
config->channel_new_color,
TRUE,
GIMP_COLOR_TAG_NONE,
FALSE,
FALSE,
FALSE,
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 (GimpAction *action,
GVariant *value,
gpointer data)
{
GimpImage *image;
GimpChannel *channel;
GimpDialogConfig *config;
return_if_no_image (image, data);
config = GIMP_DIALOG_CONFIG (image->gimp->config);
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),
action_data_get_context (data),
GIMP_FILL_TRANSPARENT);
gimp_image_add_channel (image, channel,
GIMP_IMAGE_ACTIVE_PARENT, -1, TRUE);
gimp_image_flush (image);
}
void
channels_raise_cmd_callback (GimpAction *action,
GVariant *value,
gpointer data)
{
GimpImage *image;
GList *channels;
GList *iter;
GList *raised_channels = NULL;
return_if_no_channels (image, channels, data);
for (iter = channels; iter; iter = iter->next)
{
gint index;
index = gimp_item_get_index (iter->data);
if (index > 0)
{
raised_channels = g_list_prepend (raised_channels, iter->data);
}
else
{
gimp_image_flush (image);
g_list_free (raised_channels);
return;
}
}
gimp_image_undo_group_start (image,
GIMP_UNDO_GROUP_ITEM_DISPLACE,
ngettext ("Raise Channel",
"Raise Channels",
g_list_length (raised_channels)));
raised_channels = g_list_reverse (raised_channels);
for (iter = raised_channels; iter; iter = iter->next)
gimp_image_raise_item (image, iter->data, NULL);
gimp_image_flush (image);
gimp_image_undo_group_end (image);
g_list_free (raised_channels);
}
void
channels_raise_to_top_cmd_callback (GimpAction *action,
GVariant *value,
gpointer data)
{
GimpImage *image;
GList *channels;
GList *iter;
GList *raised_channels = NULL;
return_if_no_channels (image, channels, data);
for (iter = channels; iter; iter = iter->next)
{
gint index;
index = gimp_item_get_index (iter->data);
if (index > 0)
raised_channels = g_list_prepend (raised_channels, iter->data);
}
gimp_image_undo_group_start (image,
GIMP_UNDO_GROUP_ITEM_DISPLACE,
ngettext ("Raise Channel to Top",
"Raise Channels to Top",
g_list_length (raised_channels)));
for (iter = raised_channels; iter; iter = iter->next)
gimp_image_raise_item_to_top (image, iter->data);
gimp_image_flush (image);
gimp_image_undo_group_end (image);
g_list_free (raised_channels);
}
void
channels_lower_cmd_callback (GimpAction *action,
GVariant *value,
gpointer data)
{
GimpImage *image;
GList *channels;
GList *iter;
GList *lowered_channels = NULL;
return_if_no_channels (image, channels, data);
for (iter = channels; iter; iter = iter->next)
{
GList *layer_list;
gint index;
layer_list = gimp_item_get_container_iter (GIMP_ITEM (iter->data));
index = gimp_item_get_index (iter->data);
if (index < g_list_length (layer_list) - 1)
{
lowered_channels = g_list_prepend (lowered_channels, iter->data);
}
else
{
gimp_image_flush (image);
g_list_free (lowered_channels);
return;
}
}
gimp_image_undo_group_start (image,
GIMP_UNDO_GROUP_ITEM_DISPLACE,
ngettext ("Lower Channel",
"Lower Channels",
g_list_length (lowered_channels)));
for (iter = lowered_channels; iter; iter = iter->next)
gimp_image_lower_item (image, iter->data, NULL);
gimp_image_flush (image);
gimp_image_undo_group_end (image);
g_list_free (lowered_channels);
}
void
channels_lower_to_bottom_cmd_callback (GimpAction *action,
GVariant *value,
gpointer data)
{
GimpImage *image;
GList *channels;
GList *iter;
GList *lowered_channels = NULL;
return_if_no_channels (image, channels, data);
for (iter = channels; iter; iter = iter->next)
{
GList *layer_list;
gint index;
layer_list = gimp_item_get_container_iter (GIMP_ITEM (iter->data));
index = gimp_item_get_index (iter->data);
if (index < g_list_length (layer_list) - 1)
lowered_channels = g_list_prepend (lowered_channels, iter->data);
}
gimp_image_undo_group_start (image,
GIMP_UNDO_GROUP_ITEM_DISPLACE,
ngettext ("Lower Channel to Bottom",
"Lower Channels to Bottom",
g_list_length (lowered_channels)));
for (iter = lowered_channels; iter; iter = iter->next)
gimp_image_lower_item_to_bottom (image, iter->data);
gimp_image_flush (image);
gimp_image_undo_group_end (image);
g_list_free (lowered_channels);
}
void
channels_duplicate_cmd_callback (GimpAction *action,
GVariant *value,
gpointer data)
{
GimpImage *image = NULL;
GList *channels;
GimpChannel *parent = GIMP_IMAGE_ACTIVE_PARENT;
if (GIMP_IS_COMPONENT_EDITOR (data))
{
GimpChannelType component;
GimpChannel *new_channel;
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);
gimp_image_add_channel (image, new_channel, parent, -1, TRUE);
g_free (name);
}
else
{
GList *new_channels = NULL;
GList *iter;
return_if_no_channels (image, channels, data);
channels = g_list_copy (channels);
gimp_image_undo_group_start (image,
GIMP_UNDO_GROUP_CHANNEL_ADD,
_("Duplicate channels"));
for (iter = channels; iter; iter = iter->next)
{
GimpChannel *new_channel;
new_channel = GIMP_CHANNEL (gimp_item_duplicate (GIMP_ITEM (iter->data),
G_TYPE_FROM_INSTANCE (iter->data)));
/* use the actual parent here, not GIMP_IMAGE_ACTIVE_PARENT because
* the latter would add a duplicated group inside itself instead of
* above it
*/
gimp_image_add_channel (image, new_channel,
gimp_channel_get_parent (iter->data),
gimp_item_get_index (iter->data),
TRUE);
new_channels = g_list_prepend (new_channels, new_channel);
}
gimp_image_set_selected_channels (image, new_channels);
g_list_free (channels);
g_list_free (new_channels);
gimp_image_undo_group_end (image);
}
gimp_image_flush (image);
}
void
channels_delete_cmd_callback (GimpAction *action,
GVariant *value,
gpointer data)
{
GimpImage *image;
GList *channels;
GList *iter;
return_if_no_channels (image, channels, data);
channels = g_list_copy (channels);
if (g_list_length (channels) > 1)
{
gchar *undo_name;
undo_name = g_strdup_printf (C_("undo-type", "Remove %d Channels"),
g_list_length (channels));
gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_IMAGE_ITEM_REMOVE,
undo_name);
}
for (iter = channels; iter; iter = iter->next)
gimp_image_remove_channel (image, iter->data, TRUE, NULL);
if (g_list_length (channels) > 1)
gimp_image_undo_group_end (image);
g_list_free (channels);
gimp_image_flush (image);
}
void
channels_to_selection_cmd_callback (GimpAction *action,
GVariant *value,
gpointer data)
{
GimpChannelOps op;
GimpImage *image;
op = (GimpChannelOps) g_variant_get_int32 (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
{
GList *channels;
GList *iter;
return_if_no_channels (image, channels, data);
gimp_image_undo_group_start (image,
GIMP_UNDO_GROUP_DRAWABLE_MOD,
_("Channels to selection"));
for (iter = channels; iter; iter = iter->next)
{
gimp_item_to_selection (iter->data, op, TRUE, FALSE, 0.0, 0.0);
if (op == GIMP_CHANNEL_OP_REPLACE && iter == channels)
op = GIMP_CHANNEL_OP_ADD;
}
gimp_image_undo_group_end (image);
}
gimp_image_flush (image);
}
void
channels_visible_cmd_callback (GimpAction *action,
GVariant *value,
gpointer data)
{
GimpImage *image;
GList *channels;
return_if_no_channels (image, channels, data);
items_visible_cmd_callback (action, value, image, channels);
}
void
channels_lock_content_cmd_callback (GimpAction *action,
GVariant *value,
gpointer data)
{
GimpImage *image;
GList *channels;
return_if_no_channels (image, channels, data);
items_lock_content_cmd_callback (action, value, image, channels);
}
void
channels_lock_position_cmd_callback (GimpAction *action,
GVariant *value,
gpointer data)
{
GimpImage *image;
GList *channels;
return_if_no_channels (image, channels, data);
items_lock_position_cmd_callback (action, value, image, channels);
}
void
channels_color_tag_cmd_callback (GimpAction *action,
GVariant *value,
gpointer data)
{
GimpImage *image;
GList *channels;
GimpColorTag color_tag;
return_if_no_channels (image, channels, data);
color_tag = (GimpColorTag) g_variant_get_int32 (value);
items_color_tag_cmd_callback (action, image, channels, color_tag);
}
void
channels_select_cmd_callback (GimpAction *action,
GVariant *value,
gpointer data)
{
GimpImage *image;
GList *channels;
GList *new_channels = NULL;
GList *iter;
GimpActionSelectType select_type;
gboolean run_once;
return_if_no_image (image, data);
select_type = (GimpActionSelectType) g_variant_get_int32 (value);
channels = gimp_image_get_selected_channels (image);
run_once = (g_list_length (channels) == 0);
for (iter = channels; iter || run_once; iter = iter ? iter->next : NULL)
{
GimpChannel *new_channel = NULL;
GimpContainer *container;
if (iter)
{
container = gimp_item_get_container (GIMP_ITEM (iter->data));
}
else /* run_once */
{
container = gimp_image_get_channels (image);
run_once = FALSE;
}
new_channel = (GimpChannel *) action_select_object (select_type,
container,
iter ? iter->data : NULL);
if (new_channel)
new_channels = g_list_prepend (new_channels, new_channel);
}
if (new_channels)
{
gimp_image_set_selected_channels (image, new_channels);
gimp_image_flush (image);
}
g_list_free (new_channels);
}
/* private functions */
static void
channels_new_callback (GtkWidget *dialog,
GimpImage *image,
GimpChannel *channel,
GimpContext *context,
const gchar *channel_name,
GeglColor *channel_color,
gboolean save_selection,
gboolean channel_visible,
GimpColorTag channel_color_tag,
gboolean channel_lock_content,
gboolean channel_lock_position,
gboolean channel_lock_visibility,
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_item_set_visible (GIMP_ITEM (channel), channel_visible, FALSE);
gimp_item_set_color_tag (GIMP_ITEM (channel), channel_color_tag, FALSE);
gimp_item_set_lock_content (GIMP_ITEM (channel), channel_lock_content, FALSE);
gimp_item_set_lock_position (GIMP_ITEM (channel), channel_lock_position, FALSE);
gimp_item_set_lock_visibility (GIMP_ITEM (channel), channel_lock_visibility, FALSE);
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,
GeglColor *channel_color,
gboolean save_selection,
gboolean channel_visible,
GimpColorTag channel_color_tag,
gboolean channel_lock_content,
gboolean channel_lock_position,
gboolean channel_lock_visibility,
gpointer user_data)
{
GimpItem *item = GIMP_ITEM (channel);
if (strcmp (channel_name, gimp_object_get_name (channel)) ||
! gimp_color_is_perceptually_identical (channel_color, channel->color) ||
channel_visible != gimp_item_get_visible (item) ||
channel_color_tag != gimp_item_get_color_tag (item) ||
channel_lock_content != gimp_item_get_lock_content (item) ||
channel_lock_position != gimp_item_get_lock_position (item) ||
channel_lock_visibility != gimp_item_get_lock_visibility (item))
{
gimp_image_undo_group_start (image,
GIMP_UNDO_GROUP_ITEM_PROPERTIES,
_("Channel Attributes"));
if (strcmp (channel_name, gimp_object_get_name (channel)))
gimp_item_rename (GIMP_ITEM (channel), channel_name, NULL);
if (! gimp_color_is_perceptually_identical (channel_color, channel->color))
gimp_channel_set_color (channel, channel_color, TRUE);
if (channel_visible != gimp_item_get_visible (item))
gimp_item_set_visible (item, channel_visible, TRUE);
if (channel_color_tag != gimp_item_get_color_tag (item))
gimp_item_set_color_tag (item, channel_color_tag, TRUE);
if (channel_lock_content != gimp_item_get_lock_content (item))
gimp_item_set_lock_content (item, channel_lock_content, TRUE);
if (channel_lock_position != gimp_item_get_lock_position (item))
gimp_item_set_lock_position (item, channel_lock_position, TRUE);
if (channel_lock_visibility != gimp_item_get_lock_visibility (item))
gimp_item_set_lock_visibility (item, channel_lock_visibility, TRUE);
gimp_image_undo_group_end (image);
gimp_image_flush (image);
}
gtk_widget_destroy (dialog);
}
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