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