/* 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 #include #include "libgimpcolor/gimpcolor.h" #include "libgimpmath/gimpmath.h" #include "core-types.h" #include "base/pixel-region.h" #include "paint-funcs/paint-funcs.h" #include "gimp.h" #include "gimpchannel.h" #include "gimpcontext.h" #include "gimpimage.h" #include "gimpimage-duplicate.h" #include "gimpimage-guides.h" #include "gimplayer.h" #include "gimplayer-floating-sel.h" #include "gimplist.h" #include "gimpparasitelist.h" #include "gimp-intl.h" GimpImage * gimp_image_duplicate (GimpImage *gimage) { PixelRegion srcPR, destPR; GimpImage *new_gimage; GimpLayer *layer, *new_layer; GimpLayer *floating_layer; GimpChannel *channel, *new_channel; GList *list; GimpLayer *active_layer = NULL; GimpChannel *active_channel = NULL; GimpDrawable *new_floating_sel_drawable = NULL; GimpDrawable *floating_sel_drawable = NULL; GimpParasiteList *parasites; gint count; g_return_val_if_fail (gimage != NULL, NULL); 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 resolution and unit information */ new_gimage->xresolution = gimage->xresolution; new_gimage->yresolution = gimage->yresolution; new_gimage->unit = gimage->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)) { layer = (GimpLayer *) list->data; new_layer = GIMP_LAYER (gimp_item_duplicate (GIMP_ITEM (layer), G_TYPE_FROM_INSTANCE (layer), FALSE)); gimp_item_set_image (GIMP_ITEM (new_layer), new_gimage); /* Make sure the copied layer doesn't say: " 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, it's 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); /* Add the 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)) { channel = (GimpChannel *) list->data; new_channel = GIMP_CHANNEL (gimp_item_duplicate (GIMP_ITEM (channel), G_TYPE_FROM_INSTANCE (channel), FALSE)); gimp_item_set_image (GIMP_ITEM (new_channel), new_gimage); /* Make sure the copied channel doesn't say: " 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); /* Add the channel */ gimp_image_add_channel (new_gimage, new_channel, count++); } /* Copy the selection mask */ pixel_region_init (&srcPR, gimp_drawable_data (GIMP_DRAWABLE (gimage->selection_mask)), 0, 0, gimage->width, gimage->height, FALSE); pixel_region_init (&destPR, gimp_drawable_data (GIMP_DRAWABLE (new_gimage->selection_mask)), 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; /* Set active layer, active channel */ 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 (floating_layer) floating_sel_attach (floating_layer, new_floating_sel_drawable); /* Copy the colormap if necessary */ if (new_gimage->base_type == GIMP_INDEXED) memcpy (new_gimage->cmap, gimage->cmap, gimage->num_cols * 3); new_gimage->num_cols = gimage->num_cols; /* 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 the qmask info */ new_gimage->qmask_state = gimage->qmask_state; new_gimage->qmask_color = gimage->qmask_color; /* Copy parasites */ parasites = gimage->parasites; if (parasites) { g_object_unref (new_gimage->parasites); new_gimage->parasites = gimp_parasite_list_copy (parasites); } gimp_image_undo_enable (new_gimage); return new_gimage; }