430 lines
12 KiB
C
430 lines
12 KiB
C
/* PIKA - Photo and Image Kooker Application
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* a rebranding of The GNU Image Manipulation Program (created with heckimp)
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* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
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*
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* Original copyright, applying to most contents (license remains unchanged):
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <gegl.h>
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#include <gtk/gtk.h>
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#include "libpikawidgets/pikawidgets.h"
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#include "actions-types.h"
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#include "core/pika.h"
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#include "core/pikadrawable-equalize.h"
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#include "core/pikadrawable-levels.h"
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#include "core/pikadrawable-operation.h"
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#include "core/pikaimage.h"
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#include "core/pikaimage-undo.h"
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#include "core/pikaitemundo.h"
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#include "core/pikalayermask.h"
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#include "core/pikaprogress.h"
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#include "dialogs/dialogs.h"
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#include "actions.h"
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#include "drawable-commands.h"
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#include "pika-intl.h"
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/* public functions */
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void
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drawable_equalize_cmd_callback (PikaAction *action,
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GVariant *value,
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gpointer data)
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{
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PikaImage *image;
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GList *drawables;
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GList *iter;
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return_if_no_drawables (image, drawables, data);
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if (g_list_length (drawables) > 1)
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pika_image_undo_group_start (image,
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PIKA_UNDO_GROUP_DRAWABLE_MOD,
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_("Equalize"));
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for (iter = drawables; iter; iter = iter->next)
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pika_drawable_equalize (iter->data, TRUE);
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if (g_list_length (drawables) > 1)
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pika_image_undo_group_end (image);
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pika_image_flush (image);
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g_list_free (drawables);
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}
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void
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drawable_levels_stretch_cmd_callback (PikaAction *action,
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GVariant *value,
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gpointer data)
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{
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PikaImage *image;
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GList *drawables;
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GList *iter;
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PikaDisplay *display;
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GtkWidget *widget;
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return_if_no_drawables (image, drawables, data);
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return_if_no_display (display, data);
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return_if_no_widget (widget, data);
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for (iter = drawables; iter; iter = iter->next)
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{
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if (! pika_drawable_is_rgb (iter->data))
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{
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pika_message_literal (image->pika,
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G_OBJECT (widget), PIKA_MESSAGE_WARNING,
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_("White Balance operates only on RGB color "
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"layers."));
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return;
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}
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}
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if (g_list_length (drawables) > 1)
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pika_image_undo_group_start (image,
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PIKA_UNDO_GROUP_DRAWABLE_MOD,
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_("Levels"));
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for (iter = drawables; iter; iter = iter->next)
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pika_drawable_levels_stretch (iter->data, PIKA_PROGRESS (display));
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if (g_list_length (drawables) > 1)
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pika_image_undo_group_end (image);
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pika_image_flush (image);
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g_list_free (drawables);
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}
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void
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drawable_visible_cmd_callback (PikaAction *action,
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GVariant *value,
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gpointer data)
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{
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PikaImage *image;
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GList *drawables;
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GList *iter;
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PikaUndo *undo;
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gboolean push_undo = TRUE;
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gboolean visible;
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return_if_no_drawables (image, drawables, data);
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visible = g_variant_get_boolean (value);
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if (PIKA_IS_LAYER_MASK (drawables->data))
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{
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PikaLayerMask *mask = PIKA_LAYER_MASK (drawables->data);
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g_list_free (drawables);
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drawables = g_list_prepend (NULL, pika_layer_mask_get_layer (mask));
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}
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for (iter = drawables; iter; iter = iter->next)
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{
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if (visible && pika_item_get_visible (iter->data))
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{
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/* If any of the drawables are already visible, we don't
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* toggle the selection visibility. This prevents the
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* SET_ACTIVE() in drawables-actions.c to toggle visibility
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* unexpectedly.
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*/
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g_list_free (drawables);
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return;
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}
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}
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for (iter = drawables; iter; iter = iter->next)
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if (visible != pika_item_get_visible (iter->data))
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break;
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if (! iter)
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{
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g_list_free (drawables);
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return;
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}
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if (g_list_length (drawables) == 1)
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{
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undo = pika_image_undo_can_compress (image, PIKA_TYPE_ITEM_UNDO,
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PIKA_UNDO_ITEM_VISIBILITY);
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if (undo && PIKA_ITEM_UNDO (undo)->item == PIKA_ITEM (drawables->data))
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push_undo = FALSE;
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}
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else
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{
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/* TODO: undo groups cannot be compressed so far. */
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pika_image_undo_group_start (image,
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PIKA_UNDO_GROUP_ITEM_VISIBILITY,
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"Item visibility");
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}
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for (; iter; iter = iter->next)
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pika_item_set_visible (iter->data, visible, push_undo);
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if (g_list_length (drawables) != 1)
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pika_image_undo_group_end (image);
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pika_image_flush (image);
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g_list_free (drawables);
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}
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void
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drawable_lock_content_cmd_callback (PikaAction *action,
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GVariant *value,
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gpointer data)
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{
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PikaImage *image;
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GList *drawables;
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GList *iter;
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gboolean locked;
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gboolean push_undo = TRUE;
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return_if_no_drawables (image, drawables, data);
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locked = g_variant_get_boolean (value);
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if (PIKA_IS_LAYER_MASK (drawables->data))
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{
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PikaLayerMask *mask = PIKA_LAYER_MASK (drawables->data);
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g_list_free (drawables);
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drawables = g_list_prepend (NULL, pika_layer_mask_get_layer (mask));
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}
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for (iter = drawables; iter; iter = iter->next)
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{
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if (! locked && ! pika_item_get_lock_content (iter->data))
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{
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/* If any of the drawables are already unlocked, we don't toggle the
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* lock. This prevents the SET_ACTIVE() in drawables-actions.c to
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* toggle locks unexpectedly.
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*/
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g_list_free (drawables);
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return;
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}
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}
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for (iter = drawables; iter; iter = iter->next)
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if (locked != pika_item_get_lock_content (iter->data))
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break;
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if (g_list_length (drawables) == 1)
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{
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PikaUndo *undo;
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undo = pika_image_undo_can_compress (image, PIKA_TYPE_ITEM_UNDO,
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PIKA_UNDO_ITEM_LOCK_CONTENT);
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if (undo && PIKA_ITEM_UNDO (undo)->item == PIKA_ITEM (drawables->data))
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push_undo = FALSE;
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}
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else
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{
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/* TODO: undo groups cannot be compressed so far. */
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pika_image_undo_group_start (image,
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PIKA_UNDO_GROUP_ITEM_LOCK_CONTENTS,
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_("Lock/Unlock content"));
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}
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for (; iter; iter = iter->next)
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pika_item_set_lock_content (iter->data, locked, push_undo);
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if (g_list_length (drawables) != 1)
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pika_image_undo_group_end (image);
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pika_image_flush (image);
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g_list_free (drawables);
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}
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void
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drawable_lock_position_cmd_callback (PikaAction *action,
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GVariant *value,
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gpointer data)
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{
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PikaImage *image;
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GList *drawables;
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GList *iter;
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gboolean locked;
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gboolean push_undo = TRUE;
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return_if_no_drawables (image, drawables, data);
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locked = g_variant_get_boolean (value);
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if (PIKA_IS_LAYER_MASK (drawables->data))
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{
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PikaLayerMask *mask = PIKA_LAYER_MASK (drawables->data);
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g_list_free (drawables);
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drawables = g_list_prepend (NULL, pika_layer_mask_get_layer (mask));
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}
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for (iter = drawables; iter; iter = iter->next)
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{
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if (! locked && ! pika_item_get_lock_position (iter->data))
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{
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/* If any of the drawables are already unlocked, we don't toggle the
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* lock. This prevents the SET_ACTIVE() in drawables-actions.c to
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* toggle locks unexpectedly.
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*/
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g_list_free (drawables);
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return;
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}
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}
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for (iter = drawables; iter; iter = iter->next)
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if (locked != pika_item_get_lock_position (iter->data))
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break;
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if (g_list_length (drawables) == 1)
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{
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PikaUndo *undo;
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undo = pika_image_undo_can_compress (image, PIKA_TYPE_ITEM_UNDO,
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PIKA_UNDO_ITEM_LOCK_POSITION);
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if (undo && PIKA_ITEM_UNDO (undo)->item == PIKA_ITEM (drawables->data))
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push_undo = FALSE;
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}
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else
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{
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/* TODO: undo groups cannot be compressed so far. */
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pika_image_undo_group_start (image,
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PIKA_UNDO_GROUP_ITEM_LOCK_POSITION,
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_("Lock/Unlock position"));
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}
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for (; iter; iter = iter->next)
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pika_item_set_lock_position (iter->data, locked, push_undo);
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if (g_list_length (drawables) != 1)
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pika_image_undo_group_end (image);
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pika_image_flush (image);
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g_list_free (drawables);
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}
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void
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drawable_flip_cmd_callback (PikaAction *action,
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GVariant *value,
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gpointer data)
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{
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PikaImage *image;
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GList *drawables;
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GList *iter;
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PikaContext *context;
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gint off_x, off_y;
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gdouble axis = 0.0;
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PikaOrientationType orientation;
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return_if_no_drawables (image, drawables, data);
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return_if_no_context (context, data);
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orientation = (PikaOrientationType) g_variant_get_int32 (value);
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if (g_list_length (drawables) > 1)
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pika_image_undo_group_start (image,
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PIKA_UNDO_GROUP_DRAWABLE_MOD,
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_("Flip Drawables"));
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for (iter = drawables; iter; iter = iter->next)
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{
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PikaItem *item;
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item = PIKA_ITEM (iter->data);
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pika_item_get_offset (item, &off_x, &off_y);
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switch (orientation)
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{
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case PIKA_ORIENTATION_HORIZONTAL:
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axis = ((gdouble) off_x + (gdouble) pika_item_get_width (item) / 2.0);
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break;
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case PIKA_ORIENTATION_VERTICAL:
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axis = ((gdouble) off_y + (gdouble) pika_item_get_height (item) / 2.0);
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break;
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default:
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break;
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}
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pika_item_flip (item, context, orientation, axis,
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pika_item_get_clip (item, FALSE));
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}
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if (g_list_length (drawables) > 1)
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pika_image_undo_group_end (image);
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pika_image_flush (image);
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g_list_free (drawables);
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}
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void
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drawable_rotate_cmd_callback (PikaAction *action,
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GVariant *value,
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gpointer data)
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{
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PikaImage *image;
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GList *drawables;
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GList *iter;
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PikaContext *context;
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PikaRotationType rotation_type;
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return_if_no_drawables (image, drawables, data);
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return_if_no_context (context, data);
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rotation_type = (PikaRotationType) g_variant_get_int32 (value);
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if (g_list_length (drawables) > 1)
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pika_image_undo_group_start (image,
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PIKA_UNDO_GROUP_DRAWABLE_MOD,
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_("Rotate Drawables"));
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for (iter = drawables; iter; iter = iter->next)
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{
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PikaItem *item;
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gint off_x, off_y;
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gdouble center_x, center_y;
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item = PIKA_ITEM (iter->data);
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pika_item_get_offset (item, &off_x, &off_y);
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center_x = ((gdouble) off_x + (gdouble) pika_item_get_width (item) / 2.0);
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center_y = ((gdouble) off_y + (gdouble) pika_item_get_height (item) / 2.0);
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pika_item_rotate (item, context,
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rotation_type, center_x, center_y,
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pika_item_get_clip (item, FALSE));
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}
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if (g_list_length (drawables) > 1)
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pika_image_undo_group_end (image);
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pika_image_flush (image);
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g_list_free (drawables);
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}
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