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gimp/app/core/gimpimage-duplicate.c

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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 "base/pixel-region.h"
#include "paint-funcs/paint-funcs.h"
#include "gimp.h"
#include "gimpchannel.h"
#include "gimpimage.h"
#include "gimpimage-colormap.h"
#include "gimpimage-duplicate.h"
#include "gimpimage-grid.h"
#include "gimpimage-guides.h"
#include "gimpimage-sample-points.h"
#include "gimplayer.h"
#include "gimplayer-floating-sel.h"
#include "gimplist.h"
#include "gimpparasitelist.h"
#include "vectors/gimpvectors.h"
GimpImage *
gimp_image_duplicate (GimpImage *gimage)
{
GimpImage *new_gimage;
GimpLayer *floating_layer;
GList *list;
GimpLayer *active_layer = NULL;
GimpChannel *active_channel = NULL;
GimpVectors *active_vectors = NULL;
GimpDrawable *new_floating_sel_drawable = NULL;
GimpDrawable *floating_sel_drawable = NULL;
gint count;
g_return_val_if_fail (GIMP_IS_IMAGE (gimage), NULL);
gimp_set_busy_until_idle (gimage->gimp);
/* Create a new image */
new_gimage = gimp_create_image (gimage->gimp,
gimage->width, gimage->height,
gimage->base_type,
FALSE);
gimp_image_undo_disable (new_gimage);
/* Copy the colormap if necessary */
if (new_gimage->base_type == GIMP_INDEXED)
gimp_image_set_colormap (new_gimage,
gimp_image_get_colormap (gimage),
gimp_image_get_colormap_size (gimage),
FALSE);
/* Copy resolution information */
new_gimage->xresolution = gimage->xresolution;
new_gimage->yresolution = gimage->yresolution;
new_gimage->resolution_unit = gimage->resolution_unit;
/* Copy floating layer */
floating_layer = gimp_image_floating_sel (gimage);
if (floating_layer)
{
floating_sel_relax (floating_layer, FALSE);
floating_sel_drawable = floating_layer->fs.drawable;
floating_layer = NULL;
}
/* Copy the layers */
for (list = GIMP_LIST (gimage->layers)->list, count = 0;
list;
list = g_list_next (list))
{
GimpLayer *layer = list->data;
GimpLayer *new_layer;
new_layer = GIMP_LAYER (gimp_item_convert (GIMP_ITEM (layer),
new_gimage,
G_TYPE_FROM_INSTANCE (layer),
FALSE));
/* Make sure the copied layer doesn't say: "<old layer> copy" */
gimp_object_set_name (GIMP_OBJECT (new_layer),
gimp_object_get_name (GIMP_OBJECT (layer)));
/* Make sure that if the layer has a layer mask,
* its name isn't screwed up
*/
if (new_layer->mask)
gimp_object_set_name (GIMP_OBJECT (new_layer->mask),
gimp_object_get_name (GIMP_OBJECT (layer->mask)));
if (gimp_image_get_active_layer (gimage) == layer)
active_layer = new_layer;
if (gimage->floating_sel == layer)
floating_layer = new_layer;
if (floating_sel_drawable == GIMP_DRAWABLE (layer))
new_floating_sel_drawable = GIMP_DRAWABLE (new_layer);
if (floating_layer != new_layer)
gimp_image_add_layer (new_gimage, new_layer, count++);
}
/* Copy the channels */
for (list = GIMP_LIST (gimage->channels)->list, count = 0;
list;
list = g_list_next (list))
{
GimpChannel *channel = list->data;
GimpChannel *new_channel;
new_channel =
GIMP_CHANNEL (gimp_item_convert (GIMP_ITEM (channel),
new_gimage,
G_TYPE_FROM_INSTANCE (channel),
FALSE));
/* Make sure the copied channel doesn't say: "<old channel> copy" */
gimp_object_set_name (GIMP_OBJECT (new_channel),
gimp_object_get_name (GIMP_OBJECT (channel)));
if (gimp_image_get_active_channel (gimage) == channel)
active_channel = (new_channel);
if (floating_sel_drawable == GIMP_DRAWABLE (channel))
new_floating_sel_drawable = GIMP_DRAWABLE (new_channel);
gimp_image_add_channel (new_gimage, new_channel, count++);
}
/* Copy any vectors */
for (list = GIMP_LIST (gimage->vectors)->list, count = 0;
list;
list = g_list_next (list))
{
GimpVectors *vectors = list->data;
GimpVectors *new_vectors;
new_vectors =
GIMP_VECTORS (gimp_item_convert (GIMP_ITEM (vectors),
new_gimage,
G_TYPE_FROM_INSTANCE (vectors),
FALSE));
/* Make sure the copied vectors doesn't say: "<old vectors> copy" */
gimp_object_set_name (GIMP_OBJECT (new_vectors),
gimp_object_get_name (GIMP_OBJECT (vectors)));
if (gimp_image_get_active_vectors (gimage) == vectors)
active_vectors = new_vectors;
gimp_image_add_vectors (new_gimage, new_vectors, count++);
}
/* Copy the selection mask */
{
TileManager *src_tiles;
TileManager *dest_tiles;
PixelRegion srcPR, destPR;
src_tiles = gimp_drawable_data (GIMP_DRAWABLE (gimage->selection_mask));
dest_tiles = gimp_drawable_data (GIMP_DRAWABLE (new_gimage->selection_mask));
pixel_region_init (&srcPR, src_tiles,
0, 0, gimage->width, gimage->height, FALSE);
pixel_region_init (&destPR, dest_tiles,
0, 0, gimage->width, gimage->height, TRUE);
copy_region (&srcPR, &destPR);
new_gimage->selection_mask->bounds_known = FALSE;
new_gimage->selection_mask->boundary_known = FALSE;
}
if (floating_layer)
floating_sel_attach (floating_layer, new_floating_sel_drawable);
/* Set active layer, active channel, active vectors */
if (active_layer)
gimp_image_set_active_layer (new_gimage, active_layer);
if (active_channel)
gimp_image_set_active_channel (new_gimage, active_channel);
if (active_vectors)
gimp_image_set_active_vectors (new_gimage, active_vectors);
/* Copy state of all color channels */
for (count = 0; count < MAX_CHANNELS; count++)
{
new_gimage->visible[count] = gimage->visible[count];
new_gimage->active[count] = gimage->active[count];
}
/* Copy any guides */
for (list = gimage->guides; list; list = g_list_next (list))
{
GimpGuide *guide = list->data;
switch (guide->orientation)
{
case GIMP_ORIENTATION_HORIZONTAL:
gimp_image_add_hguide (new_gimage, guide->position, FALSE);
break;
case GIMP_ORIENTATION_VERTICAL:
gimp_image_add_vguide (new_gimage, guide->position, FALSE);
break;
default:
g_error ("Unknown guide orientation.\n");
}
}
/* Copy any sample points */
for (list = gimage->sample_points; list; list = g_list_next (list))
{
GimpSamplePoint *sample_point = list->data;
gimp_image_add_sample_point_at_pos (new_gimage,
sample_point->x,
sample_point->y,
FALSE);
}
/* Copy the grid */
if (gimage->grid)
gimp_image_set_grid (new_gimage, gimage->grid, FALSE);
/* Copy the quick mask info */
new_gimage->quick_mask_state = gimage->quick_mask_state;
new_gimage->quick_mask_inverted = gimage->quick_mask_inverted;
new_gimage->quick_mask_color = gimage->quick_mask_color;
/* Copy parasites */
if (gimage->parasites)
{
g_object_unref (new_gimage->parasites);
new_gimage->parasites = gimp_parasite_list_copy (gimage->parasites);
}
gimp_image_undo_enable (new_gimage);
return new_gimage;
}
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