gimp/app/core/gimpimage-duplicate.c

556 lines
18 KiB
C

/* GIMP - The GNU 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 3 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, see <https://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <gdk-pixbuf/gdk-pixbuf.h>
#include <gegl.h>
#include "libgimpbase/gimpbase.h"
#include "core-types.h"
#include "gegl/gimp-gegl-loops.h"
#include "vectors/gimpvectors.h"
#include "gimp.h"
#include "gimpchannel.h"
#include "gimpguide.h"
#include "gimpimage.h"
#include "gimpimage-color-profile.h"
#include "gimpimage-colormap.h"
#include "gimpimage-duplicate.h"
#include "gimpimage-grid.h"
#include "gimpimage-guides.h"
#include "gimpimage-metadata.h"
#include "gimpimage-private.h"
#include "gimpimage-undo.h"
#include "gimpimage-sample-points.h"
#include "gimpitemstack.h"
#include "gimplayer.h"
#include "gimplayermask.h"
#include "gimplayer-floating-selection.h"
#include "gimpparasitelist.h"
#include "gimpsamplepoint.h"
static void gimp_image_duplicate_resolution (GimpImage *image,
GimpImage *new_image);
static void gimp_image_duplicate_save_source_file (GimpImage *image,
GimpImage *new_image);
static void gimp_image_duplicate_colormap (GimpImage *image,
GimpImage *new_image);
static GimpItem * gimp_image_duplicate_item (GimpItem *item,
GimpImage *new_image);
static GList * gimp_image_duplicate_layers (GimpImage *image,
GimpImage *new_image);
static GList * gimp_image_duplicate_channels (GimpImage *image,
GimpImage *new_image);
static GList * gimp_image_duplicate_vectors (GimpImage *image,
GimpImage *new_image);
static void gimp_image_duplicate_floating_sel (GimpImage *image,
GimpImage *new_image);
static void gimp_image_duplicate_mask (GimpImage *image,
GimpImage *new_image);
static void gimp_image_duplicate_components (GimpImage *image,
GimpImage *new_image);
static void gimp_image_duplicate_guides (GimpImage *image,
GimpImage *new_image);
static void gimp_image_duplicate_sample_points (GimpImage *image,
GimpImage *new_image);
static void gimp_image_duplicate_grid (GimpImage *image,
GimpImage *new_image);
static void gimp_image_duplicate_metadata (GimpImage *image,
GimpImage *new_image);
static void gimp_image_duplicate_quick_mask (GimpImage *image,
GimpImage *new_image);
static void gimp_image_duplicate_parasites (GimpImage *image,
GimpImage *new_image);
static void gimp_image_duplicate_color_profile (GimpImage *image,
GimpImage *new_image);
GimpImage *
gimp_image_duplicate (GimpImage *image)
{
GimpImage *new_image;
GList *active_layers;
GList *active_channels;
GList *active_vectors;
g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
gimp_set_busy_until_idle (image->gimp);
/* Create a new image */
new_image = gimp_create_image (image->gimp,
gimp_image_get_width (image),
gimp_image_get_height (image),
gimp_image_get_base_type (image),
gimp_image_get_precision (image),
FALSE);
gimp_image_undo_disable (new_image);
/* Store the source uri to be used by the save dialog */
gimp_image_duplicate_save_source_file (image, new_image);
/* Copy resolution information */
gimp_image_duplicate_resolution (image, new_image);
/* Copy parasites first so we have a color profile */
gimp_image_duplicate_parasites (image, new_image);
gimp_image_duplicate_color_profile (image, new_image);
/* Copy the colormap if necessary */
gimp_image_duplicate_colormap (image, new_image);
/* Copy the layers */
active_layers = gimp_image_duplicate_layers (image, new_image);
/* Copy the channels */
active_channels = gimp_image_duplicate_channels (image, new_image);
/* Copy any vectors */
active_vectors = gimp_image_duplicate_vectors (image, new_image);
/* Copy floating layer */
gimp_image_duplicate_floating_sel (image, new_image);
/* Copy the selection mask */
gimp_image_duplicate_mask (image, new_image);
/* Set active layer, active channel, active vectors */
if (active_layers)
gimp_image_set_selected_layers (new_image, active_layers);
if (active_channels)
gimp_image_set_selected_channels (new_image, active_channels);
if (active_vectors)
gimp_image_set_selected_vectors (new_image, active_vectors);
/* Copy state of all color components */
gimp_image_duplicate_components (image, new_image);
/* Copy any guides */
gimp_image_duplicate_guides (image, new_image);
/* Copy any sample points */
gimp_image_duplicate_sample_points (image, new_image);
/* Copy the grid */
gimp_image_duplicate_grid (image, new_image);
/* Copy the metadata */
gimp_image_duplicate_metadata (image, new_image);
/* Copy the quick mask info */
gimp_image_duplicate_quick_mask (image, new_image);
gimp_image_undo_enable (new_image);
/* Explicitly mark image as dirty, so that its dirty time is set */
gimp_image_dirty (new_image, GIMP_DIRTY_ALL);
return new_image;
}
static void
gimp_image_duplicate_resolution (GimpImage *image,
GimpImage *new_image)
{
gdouble xres;
gdouble yres;
gimp_image_get_resolution (image, &xres, &yres);
gimp_image_set_resolution (new_image, xres, yres);
gimp_image_set_unit (new_image, gimp_image_get_unit (image));
}
static void
gimp_image_duplicate_save_source_file (GimpImage *image,
GimpImage *new_image)
{
GFile *file = gimp_image_get_file (image);
if (file)
g_object_set_data_full (G_OBJECT (new_image), "gimp-image-source-file",
g_object_ref (file),
(GDestroyNotify) g_object_unref);
}
static void
gimp_image_duplicate_colormap (GimpImage *image,
GimpImage *new_image)
{
if (gimp_image_get_base_type (new_image) == GIMP_INDEXED)
gimp_image_set_colormap (new_image,
gimp_image_get_colormap (image),
gimp_image_get_colormap_size (image),
FALSE);
}
static GimpItem *
gimp_image_duplicate_item (GimpItem *item,
GimpImage *new_image)
{
GimpItem *new_item;
new_item = gimp_item_convert (item, new_image,
G_TYPE_FROM_INSTANCE (item));
/* Make sure the copied item doesn't say: "<old item> copy" */
gimp_object_set_name (GIMP_OBJECT (new_item),
gimp_object_get_name (item));
return new_item;
}
static GList *
gimp_image_duplicate_layers (GimpImage *image,
GimpImage *new_image)
{
GList *new_selected_layers = NULL;
GList *selected_paths = NULL;
GList *selected_layers;
GimpItemStack *new_item_stack;
GList *list;
gint count;
selected_layers = gimp_image_get_selected_layers (image);
for (list = selected_layers; list; list = list->next)
selected_paths = g_list_prepend (selected_paths,
gimp_item_get_path (list->data));
for (list = gimp_image_get_layer_iter (image), count = 0;
list;
list = g_list_next (list))
{
GimpLayer *layer = list->data;
GimpLayer *new_layer;
if (gimp_layer_is_floating_sel (layer))
continue;
new_layer = GIMP_LAYER (gimp_image_duplicate_item (GIMP_ITEM (layer),
new_image));
/* 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 (layer->mask));
gimp_image_add_layer (new_image, new_layer,
NULL, count++, FALSE);
}
new_item_stack = GIMP_ITEM_STACK (gimp_image_get_layers (new_image));
for (list = selected_paths; list; list = list->next)
new_selected_layers = g_list_prepend (new_selected_layers,
gimp_item_stack_get_item_by_path (new_item_stack, list->data));
g_list_free_full (selected_paths, (GDestroyNotify) g_list_free);
return new_selected_layers;
}
static GList *
gimp_image_duplicate_channels (GimpImage *image,
GimpImage *new_image)
{
GList *new_selected_channels = NULL;
GList *selected_channels;
GList *list;
gint count;
selected_channels = gimp_image_get_selected_channels (image);
for (list = gimp_image_get_channel_iter (image), count = 0;
list;
list = g_list_next (list))
{
GimpChannel *channel = list->data;
GimpChannel *new_channel;
new_channel = GIMP_CHANNEL (gimp_image_duplicate_item (GIMP_ITEM (channel),
new_image));
if (g_list_find (selected_channels, channel))
new_selected_channels = g_list_prepend (new_selected_channels, new_channel);
gimp_image_add_channel (new_image, new_channel,
NULL, count++, FALSE);
}
return new_selected_channels;
}
static GList *
gimp_image_duplicate_vectors (GimpImage *image,
GimpImage *new_image)
{
GList *new_selected_vectors = NULL;
GList *selected_vectors;
GList *list;
gint count;
selected_vectors = gimp_image_get_selected_vectors (image);
for (list = gimp_image_get_vectors_iter (image), count = 0;
list;
list = g_list_next (list))
{
GimpVectors *vectors = list->data;
GimpVectors *new_vectors;
new_vectors = GIMP_VECTORS (gimp_image_duplicate_item (GIMP_ITEM (vectors),
new_image));
if (g_list_find (selected_vectors, vectors))
new_selected_vectors = g_list_prepend (new_selected_vectors, new_vectors);
gimp_image_add_vectors (new_image, new_vectors,
NULL, count++, FALSE);
}
return new_selected_vectors;
}
static void
gimp_image_duplicate_floating_sel (GimpImage *image,
GimpImage *new_image)
{
GimpLayer *floating_sel;
GimpDrawable *floating_sel_drawable;
GList *floating_sel_path;
GimpItemStack *new_item_stack;
GimpLayer *new_floating_sel;
GimpDrawable *new_floating_sel_drawable;
floating_sel = gimp_image_get_floating_selection (image);
if (! floating_sel)
return;
floating_sel_drawable = gimp_layer_get_floating_sel_drawable (floating_sel);
if (GIMP_IS_LAYER_MASK (floating_sel_drawable))
{
GimpLayer *layer;
layer = gimp_layer_mask_get_layer (GIMP_LAYER_MASK (floating_sel_drawable));
floating_sel_path = gimp_item_get_path (GIMP_ITEM (layer));
new_item_stack = GIMP_ITEM_STACK (gimp_image_get_layers (new_image));
}
else
{
floating_sel_path = gimp_item_get_path (GIMP_ITEM (floating_sel_drawable));
if (GIMP_IS_LAYER (floating_sel_drawable))
new_item_stack = GIMP_ITEM_STACK (gimp_image_get_layers (new_image));
else
new_item_stack = GIMP_ITEM_STACK (gimp_image_get_channels (new_image));
}
/* adjust path[0] for the floating layer missing in new_image */
floating_sel_path->data =
GUINT_TO_POINTER (GPOINTER_TO_UINT (floating_sel_path->data) - 1);
if (GIMP_IS_LAYER (floating_sel_drawable))
{
new_floating_sel =
GIMP_LAYER (gimp_image_duplicate_item (GIMP_ITEM (floating_sel),
new_image));
}
else
{
/* can't use gimp_item_convert() for floating selections of channels
* or layer masks because they maybe don't have a normal layer's type
*/
new_floating_sel =
GIMP_LAYER (gimp_item_duplicate (GIMP_ITEM (floating_sel),
G_TYPE_FROM_INSTANCE (floating_sel)));
gimp_item_set_image (GIMP_ITEM (new_floating_sel), new_image);
gimp_object_set_name (GIMP_OBJECT (new_floating_sel),
gimp_object_get_name (floating_sel));
}
/* Make sure the copied layer doesn't say: "<old layer> copy" */
gimp_object_set_name (GIMP_OBJECT (new_floating_sel),
gimp_object_get_name (floating_sel));
new_floating_sel_drawable =
GIMP_DRAWABLE (gimp_item_stack_get_item_by_path (new_item_stack,
floating_sel_path));
if (GIMP_IS_LAYER_MASK (floating_sel_drawable))
new_floating_sel_drawable =
GIMP_DRAWABLE (gimp_layer_get_mask (GIMP_LAYER (new_floating_sel_drawable)));
floating_sel_attach (new_floating_sel, new_floating_sel_drawable);
g_list_free (floating_sel_path);
}
static void
gimp_image_duplicate_mask (GimpImage *image,
GimpImage *new_image)
{
GimpDrawable *mask;
GimpDrawable *new_mask;
mask = GIMP_DRAWABLE (gimp_image_get_mask (image));
new_mask = GIMP_DRAWABLE (gimp_image_get_mask (new_image));
gimp_gegl_buffer_copy (gimp_drawable_get_buffer (mask), NULL, GEGL_ABYSS_NONE,
gimp_drawable_get_buffer (new_mask), NULL);
GIMP_CHANNEL (new_mask)->bounds_known = FALSE;
GIMP_CHANNEL (new_mask)->boundary_known = FALSE;
}
static void
gimp_image_duplicate_components (GimpImage *image,
GimpImage *new_image)
{
GimpImagePrivate *private = GIMP_IMAGE_GET_PRIVATE (image);
GimpImagePrivate *new_private = GIMP_IMAGE_GET_PRIVATE (new_image);
gint count;
for (count = 0; count < MAX_CHANNELS; count++)
{
new_private->visible[count] = private->visible[count];
new_private->active[count] = private->active[count];
}
}
static void
gimp_image_duplicate_guides (GimpImage *image,
GimpImage *new_image)
{
GList *list;
for (list = gimp_image_get_guides (image);
list;
list = g_list_next (list))
{
GimpGuide *guide = list->data;
gint position = gimp_guide_get_position (guide);
switch (gimp_guide_get_orientation (guide))
{
case GIMP_ORIENTATION_HORIZONTAL:
gimp_image_add_hguide (new_image, position, FALSE);
break;
case GIMP_ORIENTATION_VERTICAL:
gimp_image_add_vguide (new_image, position, FALSE);
break;
default:
g_error ("Unknown guide orientation.\n");
}
}
}
static void
gimp_image_duplicate_sample_points (GimpImage *image,
GimpImage *new_image)
{
GList *list;
for (list = gimp_image_get_sample_points (image);
list;
list = g_list_next (list))
{
GimpSamplePoint *sample_point = list->data;
gint x;
gint y;
gimp_sample_point_get_position (sample_point, &x, &y);
gimp_image_add_sample_point_at_pos (new_image, x, y, FALSE);
}
}
static void
gimp_image_duplicate_grid (GimpImage *image,
GimpImage *new_image)
{
if (gimp_image_get_grid (image))
gimp_image_set_grid (new_image, gimp_image_get_grid (image), FALSE);
}
static void
gimp_image_duplicate_metadata (GimpImage *image,
GimpImage *new_image)
{
GimpMetadata *metadata = gimp_image_get_metadata (image);
if (metadata)
{
metadata = gimp_metadata_duplicate (metadata);
gimp_image_set_metadata (new_image, metadata, FALSE);
g_object_unref (metadata);
}
}
static void
gimp_image_duplicate_quick_mask (GimpImage *image,
GimpImage *new_image)
{
GimpImagePrivate *private = GIMP_IMAGE_GET_PRIVATE (image);
GimpImagePrivate *new_private = GIMP_IMAGE_GET_PRIVATE (new_image);
new_private->quick_mask_state = private->quick_mask_state;
new_private->quick_mask_inverted = private->quick_mask_inverted;
new_private->quick_mask_color = private->quick_mask_color;
}
static void
gimp_image_duplicate_parasites (GimpImage *image,
GimpImage *new_image)
{
GimpImagePrivate *private = GIMP_IMAGE_GET_PRIVATE (image);
GimpImagePrivate *new_private = GIMP_IMAGE_GET_PRIVATE (new_image);
if (private->parasites)
{
g_object_unref (new_private->parasites);
new_private->parasites = gimp_parasite_list_copy (private->parasites);
}
}
static void
gimp_image_duplicate_color_profile (GimpImage *image,
GimpImage *new_image)
{
GimpColorProfile *profile = gimp_image_get_color_profile (image);
GimpColorProfile *hidden = _gimp_image_get_hidden_profile (image);
gimp_image_set_color_profile (new_image, profile, NULL);
_gimp_image_set_hidden_profile (new_image, hidden, FALSE);
}