PIKApp/app/actions/quick-mask-commands.c

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2023-09-26 00:35:21 +02:00
/* PIKA - Photo and Image Kooker Application
* a rebranding of The GNU Image Manipulation Program (created with heckimp)
* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
*
* Original copyright, applying to most contents (license remains unchanged):
* 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 <gegl.h>
#include <gtk/gtk.h>
#include "libpikacolor/pikacolor.h"
#include "libpikawidgets/pikawidgets.h"
#include "actions-types.h"
#include "core/pika.h"
#include "core/pikachannel.h"
#include "core/pikaimage.h"
#include "core/pikaimage-quick-mask.h"
#include "widgets/pikahelp-ids.h"
#include "dialogs/dialogs.h"
#include "dialogs/channel-options-dialog.h"
#include "dialogs/item-options-dialog.h"
#include "actions.h"
#include "quick-mask-commands.h"
#include "pika-intl.h"
#define RGBA_EPSILON 1e-6
/* local function prototypes */
static void quick_mask_configure_callback (GtkWidget *dialog,
PikaImage *image,
PikaChannel *channel,
PikaContext *context,
const gchar *channel_name,
const PikaRGB *channel_color,
gboolean save_selection,
gboolean channel_visible,
PikaColorTag channel_color_tag,
gboolean channel_lock_content,
gboolean channel_lock_position,
gboolean channel_lock_visibility,
gpointer user_data);
/* public functions */
void
quick_mask_toggle_cmd_callback (PikaAction *action,
GVariant *value,
gpointer data)
{
PikaImage *image;
gboolean active;
return_if_no_image (image, data);
active = g_variant_get_boolean (value);
if (active != pika_image_get_quick_mask_state (image))
{
pika_image_set_quick_mask_state (image, active);
pika_image_flush (image);
}
}
void
quick_mask_invert_cmd_callback (PikaAction *action,
GVariant *value,
gpointer data)
{
PikaImage *image;
gboolean inverted;
return_if_no_image (image, data);
inverted = (gboolean) g_variant_get_int32 (value);
if (inverted != pika_image_get_quick_mask_inverted (image))
{
pika_image_quick_mask_invert (image);
pika_image_flush (image);
}
}
void
quick_mask_configure_cmd_callback (PikaAction *action,
GVariant *value,
gpointer data)
{
PikaImage *image;
GtkWidget *widget;
GtkWidget *dialog;
return_if_no_image (image, data);
return_if_no_widget (widget, data);
#define CONFIGURE_DIALOG_KEY "pika-image-quick-mask-configure-dialog"
dialog = dialogs_get_dialog (G_OBJECT (image), CONFIGURE_DIALOG_KEY);
if (! dialog)
{
PikaRGB color;
pika_image_get_quick_mask_color (image, &color);
dialog = channel_options_dialog_new (image, NULL,
action_data_get_context (data),
widget,
_("Quick Mask Attributes"),
"pika-quick-mask-edit",
PIKA_ICON_QUICK_MASK_ON,
_("Edit Quick Mask Attributes"),
PIKA_HELP_QUICK_MASK_EDIT,
_("Edit Quick Mask Color"),
_("_Mask opacity:"),
FALSE,
NULL,
&color,
FALSE,
PIKA_COLOR_TAG_NONE,
FALSE,
FALSE,
FALSE,
quick_mask_configure_callback,
NULL);
item_options_dialog_set_switches_visible (dialog, FALSE);
dialogs_attach_dialog (G_OBJECT (image), CONFIGURE_DIALOG_KEY, dialog);
}
gtk_window_present (GTK_WINDOW (dialog));
}
/* private functions */
static void
quick_mask_configure_callback (GtkWidget *dialog,
PikaImage *image,
PikaChannel *channel,
PikaContext *context,
const gchar *channel_name,
const PikaRGB *channel_color,
gboolean save_selection,
gboolean channel_visible,
PikaColorTag channel_color_tag,
gboolean channel_lock_content,
gboolean channel_lock_position,
gboolean channel_lock_visibility,
gpointer user_data)
{
PikaRGB old_color;
pika_image_get_quick_mask_color (image, &old_color);
if (pika_rgba_distance (&old_color, channel_color) > RGBA_EPSILON)
{
pika_image_set_quick_mask_color (image, channel_color);
pika_image_flush (image);
}
gtk_widget_destroy (dialog);
}