mirror of https://github.com/GNOME/gimp.git
298 lines
8.2 KiB
C
298 lines
8.2 KiB
C
/* GIMP - The GNU Image Manipulation Program
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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 "libgimpwidgets/gimpwidgets.h"
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#include "actions-types.h"
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#include "core/gimp.h"
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#include "core/gimpdrawable-equalize.h"
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#include "core/gimpdrawable-levels.h"
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#include "core/gimpdrawable-operation.h"
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#include "core/gimpimage.h"
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#include "core/gimpimage-undo.h"
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#include "core/gimpitemundo.h"
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#include "core/gimplayermask.h"
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#include "core/gimpprogress.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 "gimp-intl.h"
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/* public functions */
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void
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drawable_equalize_cmd_callback (GimpAction *action,
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GVariant *value,
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gpointer data)
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{
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GimpImage *image;
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GimpDrawable *drawable;
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return_if_no_drawable (image, drawable, data);
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gimp_drawable_equalize (drawable, TRUE);
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gimp_image_flush (image);
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}
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void
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drawable_levels_stretch_cmd_callback (GimpAction *action,
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GVariant *value,
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gpointer data)
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{
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GimpImage *image;
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GimpDrawable *drawable;
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GimpDisplay *display;
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GtkWidget *widget;
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return_if_no_drawable (image, drawable, 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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if (! gimp_drawable_is_rgb (drawable))
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{
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gimp_message_literal (image->gimp,
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G_OBJECT (widget), GIMP_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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gimp_drawable_levels_stretch (drawable, GIMP_PROGRESS (display));
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gimp_image_flush (image);
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}
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void
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drawable_visible_cmd_callback (GimpAction *action,
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GVariant *value,
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gpointer data)
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{
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GimpImage *image;
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GList *drawables;
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GList *iter;
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GimpUndo *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 (GIMP_IS_LAYER_MASK (drawables->data))
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{
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GimpLayerMask *mask = GIMP_LAYER_MASK (drawables->data);
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g_list_free (drawables);
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drawables = g_list_prepend (NULL, gimp_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 && gimp_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 != gimp_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 = gimp_image_undo_can_compress (image, GIMP_TYPE_ITEM_UNDO,
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GIMP_UNDO_ITEM_VISIBILITY);
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if (undo && GIMP_ITEM_UNDO (undo)->item == GIMP_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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gimp_image_undo_group_start (image,
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GIMP_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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gimp_item_set_visible (iter->data, visible, push_undo);
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if (g_list_length (drawables) != 1)
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gimp_image_undo_group_end (image);
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gimp_image_flush (image);
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}
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void
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drawable_lock_content_cmd_callback (GimpAction *action,
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GVariant *value,
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gpointer data)
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{
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GimpImage *image;
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GimpDrawable *drawable;
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gboolean locked;
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return_if_no_drawable (image, drawable, data);
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locked = g_variant_get_boolean (value);
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if (GIMP_IS_LAYER_MASK (drawable))
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drawable =
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GIMP_DRAWABLE (gimp_layer_mask_get_layer (GIMP_LAYER_MASK (drawable)));
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if (locked != gimp_item_get_lock_content (GIMP_ITEM (drawable)))
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{
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#if 0
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GimpUndo *undo;
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#endif
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gboolean push_undo = TRUE;
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#if 0
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undo = gimp_image_undo_can_compress (image, GIMP_TYPE_ITEM_UNDO,
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GIMP_UNDO_ITEM_VISIBILITY);
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if (undo && GIMP_ITEM_UNDO (undo)->item == GIMP_ITEM (drawable))
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push_undo = FALSE;
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#endif
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gimp_item_set_lock_content (GIMP_ITEM (drawable), locked, push_undo);
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gimp_image_flush (image);
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}
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}
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void
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drawable_lock_position_cmd_callback (GimpAction *action,
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GVariant *value,
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gpointer data)
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{
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GimpImage *image;
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GimpDrawable *drawable;
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gboolean locked;
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return_if_no_drawable (image, drawable, data);
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locked = g_variant_get_boolean (value);
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if (GIMP_IS_LAYER_MASK (drawable))
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drawable =
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GIMP_DRAWABLE (gimp_layer_mask_get_layer (GIMP_LAYER_MASK (drawable)));
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if (locked != gimp_item_get_lock_position (GIMP_ITEM (drawable)))
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{
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GimpUndo *undo;
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gboolean push_undo = TRUE;
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undo = gimp_image_undo_can_compress (image, GIMP_TYPE_ITEM_UNDO,
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GIMP_UNDO_ITEM_LOCK_POSITION);
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if (undo && GIMP_ITEM_UNDO (undo)->item == GIMP_ITEM (drawable))
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push_undo = FALSE;
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gimp_item_set_lock_position (GIMP_ITEM (drawable), locked, push_undo);
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gimp_image_flush (image);
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}
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}
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void
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drawable_flip_cmd_callback (GimpAction *action,
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GVariant *value,
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gpointer data)
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{
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GimpImage *image;
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GimpDrawable *drawable;
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GimpItem *item;
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GimpContext *context;
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gint off_x, off_y;
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gdouble axis = 0.0;
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GimpOrientationType orientation;
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return_if_no_drawable (image, drawable, data);
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return_if_no_context (context, data);
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orientation = (GimpOrientationType) g_variant_get_int32 (value);
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item = GIMP_ITEM (drawable);
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gimp_item_get_offset (item, &off_x, &off_y);
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switch (orientation)
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{
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case GIMP_ORIENTATION_HORIZONTAL:
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axis = ((gdouble) off_x + (gdouble) gimp_item_get_width (item) / 2.0);
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break;
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case GIMP_ORIENTATION_VERTICAL:
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axis = ((gdouble) off_y + (gdouble) gimp_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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gimp_item_flip (item, context, orientation, axis,
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gimp_item_get_clip (item, FALSE));
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gimp_image_flush (image);
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}
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void
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drawable_rotate_cmd_callback (GimpAction *action,
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GVariant *value,
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gpointer data)
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{
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GimpImage *image;
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GimpDrawable *drawable;
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GimpContext *context;
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GimpItem *item;
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gint off_x, off_y;
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gdouble center_x, center_y;
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GimpRotationType rotation_type;
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return_if_no_drawable (image, drawable, data);
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return_if_no_context (context, data);
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rotation_type = (GimpRotationType) g_variant_get_int32 (value);
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item = GIMP_ITEM (drawable);
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gimp_item_get_offset (item, &off_x, &off_y);
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center_x = ((gdouble) off_x + (gdouble) gimp_item_get_width (item) / 2.0);
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center_y = ((gdouble) off_y + (gdouble) gimp_item_get_height (item) / 2.0);
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gimp_item_rotate (item, context,
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rotation_type, center_x, center_y,
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gimp_item_get_clip (item, FALSE));
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gimp_image_flush (image);
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}
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