mirror of https://github.com/GNOME/gimp.git
167 lines
4.6 KiB
C
167 lines
4.6 KiB
C
/* The GIMP -- an 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 2 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, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "config.h"
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#include <glib-object.h>
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#include "core-types.h"
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#include "gimp.h"
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#include "gimpimage.h"
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#include "gimpimage-mask.h"
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#include "gimpimage-projection.h"
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#include "gimpimage-flip.h"
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#include "gimpimage-guides.h"
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#include "gimpimage-undo.h"
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#include "gimpimage-undo-push.h"
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#include "gimpitem.h"
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#include "gimplayer-floating-sel.h"
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#include "gimplist.h"
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void
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gimp_image_flip (GimpImage *gimage,
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GimpOrientationType flip_type,
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GimpProgressFunc progress_func,
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gpointer progress_data)
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{
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GimpLayer *floating_layer;
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GimpItem *item;
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GList *list;
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gdouble axis;
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gint progress_max;
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gint progress_current = 1;
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g_return_if_fail (GIMP_IS_IMAGE (gimage));
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gimp_set_busy (gimage->gimp);
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switch (flip_type)
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{
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case GIMP_ORIENTATION_HORIZONTAL:
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axis = (gdouble) gimage->width / 2.0;
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break;
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case GIMP_ORIENTATION_VERTICAL:
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axis = (gdouble) gimage->height / 2.0;
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break;
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default:
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g_warning ("gimp_image_flip(): unknown flip_type");
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return;
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}
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progress_max = (gimage->channels->num_children +
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gimage->layers->num_children +
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gimage->vectors->num_children +
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1 /* selection */);
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/* Get the floating layer if one exists */
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floating_layer = gimp_image_floating_sel (gimage);
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gimp_image_undo_group_start (gimage, GIMP_UNDO_GROUP_IMAGE_FLIP, NULL);
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/* Relax the floating selection */
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if (floating_layer)
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floating_sel_relax (floating_layer, TRUE);
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/* Flip all channels */
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for (list = GIMP_LIST (gimage->channels)->list;
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list;
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list = g_list_next (list))
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{
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item = (GimpItem *) list->data;
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gimp_item_flip (item, flip_type, axis, TRUE);
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if (progress_func)
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(* progress_func) (0, progress_max, progress_current++, progress_data);
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}
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/* Flip all vectors */
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for (list = GIMP_LIST (gimage->vectors)->list;
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list;
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list = g_list_next (list))
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{
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item = (GimpItem *) list->data;
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gimp_item_flip (item, flip_type, axis, FALSE);
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if (progress_func)
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(* progress_func) (0, progress_max, progress_current++, progress_data);
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}
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/* Don't forget the selection mask! */
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gimp_item_flip (GIMP_ITEM (gimage->selection_mask), flip_type, axis, TRUE);
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gimp_image_mask_invalidate (gimage);
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if (progress_func)
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(* progress_func) (0, progress_max, progress_current++, progress_data);
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/* Flip all layers */
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for (list = GIMP_LIST (gimage->layers)->list;
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list;
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list = g_list_next (list))
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{
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item = (GimpItem *) list->data;
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gimp_item_flip (item, flip_type, axis, FALSE);
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if (progress_func)
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(* progress_func) (0, progress_max, progress_current++, progress_data);
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}
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/* Flip all Guides */
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for (list = gimage->guides; list; list = g_list_next (list))
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{
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GimpGuide *guide = list->data;
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switch (guide->orientation)
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{
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case GIMP_ORIENTATION_HORIZONTAL:
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if (flip_type == GIMP_ORIENTATION_VERTICAL)
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gimp_image_move_guide (gimage, guide,
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gimage->height - guide->position, TRUE);
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break;
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case GIMP_ORIENTATION_VERTICAL:
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if (flip_type == GIMP_ORIENTATION_HORIZONTAL)
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gimp_image_move_guide (gimage, guide,
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gimage->width - guide->position, TRUE);
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break;
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default:
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break;
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}
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}
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/* Make sure the projection matches the gimage size */
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gimp_image_projection_allocate (gimage);
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/* Rigor the floating selection */
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if (floating_layer)
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floating_sel_rigor (floating_layer, TRUE);
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gimp_image_undo_group_end (gimage);
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gimp_image_mask_changed (gimage);
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gimp_unset_busy (gimage->gimp);
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}
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