Gimp/app/core/gimpimage-duplicate.c
Jehan bcacf6e2ae app: "active item" concept => "selected items".
After much thought, tests and discussions with Aryeom, we decided adding
back an active item concept additionally to the selected items ones is a
bad idea as it makes only usage unecessarily complex.
We will just have selected layers. Some kind of operations will work
when more than one item (layers, channels, vectors) are selected while
others will require exacty one item.

In particular, let's replace instances of gimp_image_(s|g)et_active_*()
by corresponding gimp_image_(s|g)et_selected_*(). Also replace single
item in various undo classes by GList of items.
Also "active-*-changed" GimpImage signals are no more, fully replaced by
"selected-*s-changed".

This is still work-in-progress.
2020-05-17 18:32:16 +02:00

545 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_layers;
GList *list;
gint count;
selected_layers = gimp_image_get_selected_layers (image);
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));
if (g_list_find (selected_layers, layer))
new_selected_layers = g_list_prepend (new_selected_layers, new_layer);
gimp_image_add_layer (new_image, new_layer,
NULL, count++, FALSE);
}
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);
}