mirror of https://github.com/GNOME/gimp.git
262 lines
7.9 KiB
C
262 lines
7.9 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 <string.h>
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#include <glib-object.h>
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#include "libgimpcolor/gimpcolor.h"
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#include "libgimpmath/gimpmath.h"
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#include "core-types.h"
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#include "base/pixel-region.h"
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#include "config/gimpconfig.h"
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#include "paint-funcs/paint-funcs.h"
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#include "vectors/gimpvectors.h"
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#include "gimp.h"
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#include "gimpchannel.h"
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#include "gimpcontext.h"
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#include "gimpgrid.h"
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#include "gimpimage.h"
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#include "gimpimage-duplicate.h"
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#include "gimpimage-guides.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 "gimp-intl.h"
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GimpImage *
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gimp_image_duplicate (GimpImage *gimage)
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{
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PixelRegion srcPR, destPR;
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GimpImage *new_gimage;
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GimpLayer *new_layer;
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GimpLayer *floating_layer;
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GimpChannel *new_channel;
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GimpVectors *new_vectors;
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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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GimpParasiteList *parasites;
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gint count;
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g_return_val_if_fail (gimage != NULL, NULL);
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g_return_val_if_fail (GIMP_IS_IMAGE (gimage), NULL);
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gimp_set_busy_until_idle (gimage->gimp);
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/* Create a new image */
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new_gimage = gimp_create_image (gimage->gimp,
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gimage->width, gimage->height,
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gimage->base_type,
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FALSE);
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gimp_image_undo_disable (new_gimage);
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/* Copy resolution and unit information */
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new_gimage->xresolution = gimage->xresolution;
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new_gimage->yresolution = gimage->yresolution;
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new_gimage->unit = gimage->unit;
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/* Copy floating layer */
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floating_layer = gimp_image_floating_sel (gimage);
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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 (gimage->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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new_layer = GIMP_LAYER (gimp_item_duplicate (GIMP_ITEM (layer),
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G_TYPE_FROM_INSTANCE (layer),
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FALSE));
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gimp_item_set_image (GIMP_ITEM (new_layer), new_gimage);
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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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it's name isn't screwed up */
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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 (gimage) == layer)
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active_layer = new_layer;
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if (gimage->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_gimage, new_layer, count++);
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}
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/* Copy the channels */
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for (list = GIMP_LIST (gimage->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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new_channel =
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GIMP_CHANNEL (gimp_item_duplicate (GIMP_ITEM (channel),
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G_TYPE_FROM_INSTANCE (channel),
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FALSE));
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gimp_item_set_image (GIMP_ITEM (new_channel), new_gimage);
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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 (gimage) == 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_gimage, new_channel, count++);
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}
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/* Copy any vectors */
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for (list = GIMP_LIST (gimage->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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new_vectors =
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GIMP_VECTORS (gimp_item_duplicate (GIMP_ITEM (vectors),
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G_TYPE_FROM_INSTANCE (vectors),
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FALSE));
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gimp_item_set_image (GIMP_ITEM (new_vectors), new_gimage);
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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 (gimage) == vectors)
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active_vectors = new_vectors;
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gimp_image_add_vectors (new_gimage, new_vectors, count++);
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}
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/* Copy the selection mask */
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pixel_region_init (&srcPR,
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gimp_drawable_data (GIMP_DRAWABLE (gimage->selection_mask)),
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0, 0, gimage->width, gimage->height, FALSE);
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pixel_region_init (&destPR,
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gimp_drawable_data (GIMP_DRAWABLE (new_gimage->selection_mask)),
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0, 0, gimage->width, gimage->height, TRUE);
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copy_region (&srcPR, &destPR);
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new_gimage->selection_mask->bounds_known = FALSE;
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new_gimage->selection_mask->boundary_known = FALSE;
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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_gimage, active_layer);
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if (active_channel)
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gimp_image_set_active_channel (new_gimage, active_channel);
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if (active_vectors)
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gimp_image_set_active_vectors (new_gimage, active_vectors);
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if (floating_layer)
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floating_sel_attach (floating_layer, new_floating_sel_drawable);
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/* Copy the colormap if necessary */
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if (new_gimage->base_type == GIMP_INDEXED)
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memcpy (new_gimage->cmap, gimage->cmap, gimage->num_cols * 3);
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new_gimage->num_cols = gimage->num_cols;
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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_gimage->visible[count] = gimage->visible[count];
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new_gimage->active[count] = gimage->active[count];
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}
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/* Copy any 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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gimp_image_add_hguide (new_gimage, 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_gimage, 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 the grid */
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if (gimage->grid)
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new_gimage->grid = gimp_config_duplicate (GIMP_CONFIG (gimage->grid));
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/* Copy the qmask info */
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new_gimage->qmask_state = gimage->qmask_state;
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new_gimage->qmask_color = gimage->qmask_color;
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/* Copy parasites */
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parasites = gimage->parasites;
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if (parasites)
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{
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g_object_unref (new_gimage->parasites);
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new_gimage->parasites = gimp_parasite_list_copy (parasites);
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}
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gimp_image_undo_enable (new_gimage);
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return new_gimage;
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}
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