diff options
Diffstat (limited to 'app/core/gimpitem-linked.c')
| -rw-r--r-- | app/core/gimpitem-linked.c | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/app/core/gimpitem-linked.c b/app/core/gimpitem-linked.c new file mode 100644 index 0000000..9c876e3 --- /dev/null +++ b/app/core/gimpitem-linked.c @@ -0,0 +1,187 @@ +/* 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 <gdk-pixbuf/gdk-pixbuf.h> +#include <gegl.h> + +#include "core-types.h" + +#include "gimpcontext.h" +#include "gimpimage.h" +#include "gimpimage-item-list.h" +#include "gimpimage-undo.h" +#include "gimpitem.h" +#include "gimpitem-linked.h" +#include "gimplist.h" +#include "gimpprogress.h" + +#include "gimp-intl.h" + + +/* public functions */ + +gboolean +gimp_item_linked_is_locked (GimpItem *item) +{ + GList *list; + GList *l; + gboolean locked = FALSE; + + g_return_val_if_fail (GIMP_IS_ITEM (item), FALSE); + g_return_val_if_fail (gimp_item_get_linked (item) == TRUE, FALSE); + g_return_val_if_fail (gimp_item_is_attached (item), FALSE); + + list = gimp_image_item_list_get_list (gimp_item_get_image (item), + GIMP_ITEM_TYPE_ALL, + GIMP_ITEM_SET_LINKED); + + list = gimp_image_item_list_filter (list); + + for (l = list; l && ! locked; l = g_list_next (l)) + { + /* We must not use gimp_item_is_position_locked(), especially + * since a child implementation may call the current function and + * end up in infinite loop. + * We are only interested in the value of `lock_position` flag. + */ + if (gimp_item_get_lock_position (l->data)) + locked = TRUE; + } + + g_list_free (list); + + return locked; +} + +void +gimp_item_linked_translate (GimpItem *item, + gint offset_x, + gint offset_y, + gboolean push_undo) +{ + GimpImage *image; + GList *items; + + g_return_if_fail (GIMP_IS_ITEM (item)); + g_return_if_fail (gimp_item_get_linked (item) == TRUE); + g_return_if_fail (gimp_item_is_attached (item)); + + image = gimp_item_get_image (item); + + items = gimp_image_item_list_get_list (image, + GIMP_ITEM_TYPE_ALL, + GIMP_ITEM_SET_LINKED); + + items = gimp_image_item_list_filter (items); + + gimp_image_item_list_translate (gimp_item_get_image (item), items, + offset_x, offset_y, push_undo); + + g_list_free (items); +} + +void +gimp_item_linked_flip (GimpItem *item, + GimpContext *context, + GimpOrientationType flip_type, + gdouble axis, + gboolean clip_result) +{ + GimpImage *image; + GList *items; + + g_return_if_fail (GIMP_IS_ITEM (item)); + g_return_if_fail (GIMP_IS_CONTEXT (context)); + g_return_if_fail (gimp_item_get_linked (item) == TRUE); + g_return_if_fail (gimp_item_is_attached (item)); + + image = gimp_item_get_image (item); + + items = gimp_image_item_list_get_list (image, + GIMP_ITEM_TYPE_ALL, + GIMP_ITEM_SET_LINKED); + items = gimp_image_item_list_filter (items); + + gimp_image_item_list_flip (image, items, context, + flip_type, axis, clip_result); + + g_list_free (items); +} + +void +gimp_item_linked_rotate (GimpItem *item, + GimpContext *context, + GimpRotationType rotate_type, + gdouble center_x, + gdouble center_y, + gboolean clip_result) +{ + GimpImage *image; + GList *items; + + g_return_if_fail (GIMP_IS_ITEM (item)); + g_return_if_fail (GIMP_IS_CONTEXT (context)); + g_return_if_fail (gimp_item_get_linked (item) == TRUE); + g_return_if_fail (gimp_item_is_attached (item)); + + image = gimp_item_get_image (item); + + items = gimp_image_item_list_get_list (image, + GIMP_ITEM_TYPE_ALL, + GIMP_ITEM_SET_LINKED); + items = gimp_image_item_list_filter (items); + + gimp_image_item_list_rotate (image, items, context, + rotate_type, center_x, center_y, clip_result); + + g_list_free (items); +} + +void +gimp_item_linked_transform (GimpItem *item, + GimpContext *context, + const GimpMatrix3 *matrix, + GimpTransformDirection direction, + GimpInterpolationType interpolation_type, + GimpTransformResize clip_result, + GimpProgress *progress) +{ + GimpImage *image; + GList *items; + + g_return_if_fail (GIMP_IS_ITEM (item)); + g_return_if_fail (GIMP_IS_CONTEXT (context)); + g_return_if_fail (gimp_item_get_linked (item) == TRUE); + g_return_if_fail (gimp_item_is_attached (item)); + g_return_if_fail (progress == NULL || GIMP_IS_PROGRESS (progress)); + + image = gimp_item_get_image (item); + + items = gimp_image_item_list_get_list (image, + GIMP_ITEM_TYPE_ALL, + GIMP_ITEM_SET_LINKED); + items = gimp_image_item_list_filter (items); + + gimp_image_item_list_transform (image, items, context, + matrix, direction, + interpolation_type, + clip_result, progress); + + g_list_free (items); +} |