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/* The GIMP -- an 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 2 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, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include <glib-object.h>
#include "core-types.h"
#include "gimp.h"
#include "gimpcontext.h"
#include "gimpimage.h"
#include "gimpimage-flip.h"
#include "gimpimage-guides.h"
#include "gimpimage-undo.h"
#include "gimpimage-undo-push.h"
#include "gimpitem.h"
#include "gimplist.h"
#include "gimpprogress.h"
void
gimp_image_flip (GimpImage *gimage,
GimpContext *context,
GimpOrientationType flip_type,
GimpProgress *progress)
{
GimpItem *item;
GList *list;
gdouble axis;
gdouble progress_max;
gdouble progress_current = 1.0;
g_return_if_fail (GIMP_IS_IMAGE (gimage));
g_return_if_fail (GIMP_IS_CONTEXT (context));
g_return_if_fail (progress == NULL || GIMP_IS_PROGRESS (progress));
gimp_set_busy (gimage->gimp);
switch (flip_type)
{
case GIMP_ORIENTATION_HORIZONTAL:
axis = (gdouble) gimage->width / 2.0;
break;
case GIMP_ORIENTATION_VERTICAL:
axis = (gdouble) gimage->height / 2.0;
break;
default:
g_warning ("%s: unknown flip_type", G_STRFUNC);
return;
}
progress_max = (gimage->channels->num_children +
gimage->layers->num_children +
gimage->vectors->num_children +
1 /* selection */);
gimp_image_undo_group_start (gimage, GIMP_UNDO_GROUP_IMAGE_FLIP, NULL);
/* Flip all channels */
for (list = GIMP_LIST (gimage->channels)->list;
list;
list = g_list_next (list))
{
item = (GimpItem *) list->data;
gimp_item_flip (item, context, flip_type, axis, TRUE);
if (progress)
gimp_progress_set_value (progress, progress_current++ / progress_max);
}
/* Flip all vectors */
for (list = GIMP_LIST (gimage->vectors)->list;
list;
list = g_list_next (list))
{
item = (GimpItem *) list->data;
gimp_item_flip (item, context, flip_type, axis, FALSE);
if (progress)
gimp_progress_set_value (progress, progress_current++ / progress_max);
}
/* Don't forget the selection mask! */
gimp_item_flip (GIMP_ITEM (gimp_image_get_mask (gimage)), context,
flip_type, axis, TRUE);
if (progress)
gimp_progress_set_value (progress, progress_current++ / progress_max);
/* Flip all layers */
for (list = GIMP_LIST (gimage->layers)->list;
list;
list = g_list_next (list))
{
item = (GimpItem *) list->data;
gimp_item_flip (item, context, flip_type, axis, FALSE);
if (progress)
gimp_progress_set_value (progress, progress_current++ / progress_max);
}
/* Flip all Guides */
for (list = gimage->guides; list; list = g_list_next (list))
{
GimpGuide *guide = list->data;
switch (guide->orientation)
{
case GIMP_ORIENTATION_HORIZONTAL:
if (flip_type == GIMP_ORIENTATION_VERTICAL)
gimp_image_move_guide (gimage, guide,
gimage->height - guide->position, TRUE);
break;
case GIMP_ORIENTATION_VERTICAL:
if (flip_type == GIMP_ORIENTATION_HORIZONTAL)
gimp_image_move_guide (gimage, guide,
gimage->width - guide->position, TRUE);
break;
default:
break;
}
}
gimp_image_undo_group_end (gimage);
gimp_unset_busy (gimage->gimp);
}
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