mirror of https://github.com/GNOME/gimp.git
386 lines
13 KiB
C
386 lines
13 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 <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include <cairo.h>
|
|
#include <gegl.h>
|
|
#include <gdk-pixbuf/gdk-pixbuf.h>
|
|
|
|
#include "libgimpbase/gimpbase.h"
|
|
|
|
#include "core-types.h"
|
|
|
|
#include "gegl/gimpapplicator.h"
|
|
|
|
#include "gimpchannel.h"
|
|
#include "gimpdrawable-floating-selection.h"
|
|
#include "gimpdrawable-filters.h"
|
|
#include "gimpdrawable-private.h"
|
|
#include "gimpimage.h"
|
|
#include "gimplayer.h"
|
|
|
|
#include "gimp-log.h"
|
|
|
|
#include "gimp-intl.h"
|
|
|
|
|
|
/* local function prototypes */
|
|
|
|
static void gimp_drawable_remove_fs_filter (GimpDrawable *drawable);
|
|
static void gimp_drawable_sync_fs_filter (GimpDrawable *drawable);
|
|
|
|
static void gimp_drawable_fs_notify (GimpLayer *fs,
|
|
const GParamSpec *pspec,
|
|
GimpDrawable *drawable);
|
|
static void gimp_drawable_fs_affect_changed (GimpImage *image,
|
|
GimpChannelType channel,
|
|
GimpDrawable *drawable);
|
|
static void gimp_drawable_fs_mask_changed (GimpImage *image,
|
|
GimpDrawable *drawable);
|
|
static void gimp_drawable_fs_update (GimpLayer *fs,
|
|
gint x,
|
|
gint y,
|
|
gint width,
|
|
gint height,
|
|
GimpDrawable *drawable);
|
|
|
|
|
|
/* public functions */
|
|
|
|
GimpLayer *
|
|
gimp_drawable_get_floating_sel (GimpDrawable *drawable)
|
|
{
|
|
g_return_val_if_fail (GIMP_IS_DRAWABLE (drawable), NULL);
|
|
|
|
return drawable->private->floating_selection;
|
|
}
|
|
|
|
void
|
|
gimp_drawable_attach_floating_sel (GimpDrawable *drawable,
|
|
GimpLayer *fs)
|
|
{
|
|
GimpImage *image;
|
|
|
|
g_return_if_fail (GIMP_IS_DRAWABLE (drawable));
|
|
g_return_if_fail (gimp_item_is_attached (GIMP_ITEM (drawable)));
|
|
g_return_if_fail (gimp_drawable_get_floating_sel (drawable) == NULL);
|
|
g_return_if_fail (GIMP_IS_LAYER (fs));
|
|
|
|
GIMP_LOG (FLOATING_SELECTION, "%s", G_STRFUNC);
|
|
|
|
image = gimp_item_get_image (GIMP_ITEM (drawable));
|
|
|
|
drawable->private->floating_selection = fs;
|
|
gimp_image_set_floating_selection (image, fs);
|
|
|
|
/* clear the selection */
|
|
gimp_drawable_invalidate_boundary (GIMP_DRAWABLE (fs));
|
|
|
|
_gimp_drawable_add_floating_sel_filter (drawable);
|
|
|
|
g_signal_connect (fs, "update",
|
|
G_CALLBACK (gimp_drawable_fs_update),
|
|
drawable);
|
|
|
|
gimp_drawable_fs_update (fs,
|
|
0, 0,
|
|
gimp_item_get_width (GIMP_ITEM (fs)),
|
|
gimp_item_get_height (GIMP_ITEM (fs)),
|
|
drawable);
|
|
}
|
|
|
|
void
|
|
gimp_drawable_detach_floating_sel (GimpDrawable *drawable)
|
|
{
|
|
GimpImage *image;
|
|
GimpLayer *fs;
|
|
|
|
g_return_if_fail (GIMP_IS_DRAWABLE (drawable));
|
|
g_return_if_fail (gimp_drawable_get_floating_sel (drawable) != NULL);
|
|
|
|
GIMP_LOG (FLOATING_SELECTION, "%s", G_STRFUNC);
|
|
|
|
image = gimp_item_get_image (GIMP_ITEM (drawable));
|
|
fs = drawable->private->floating_selection;
|
|
|
|
gimp_drawable_remove_fs_filter (drawable);
|
|
|
|
g_signal_handlers_disconnect_by_func (fs,
|
|
gimp_drawable_fs_update,
|
|
drawable);
|
|
|
|
gimp_drawable_fs_update (fs,
|
|
0, 0,
|
|
gimp_item_get_width (GIMP_ITEM (fs)),
|
|
gimp_item_get_height (GIMP_ITEM (fs)),
|
|
drawable);
|
|
|
|
/* clear the selection */
|
|
gimp_drawable_invalidate_boundary (GIMP_DRAWABLE (fs));
|
|
|
|
gimp_image_set_floating_selection (image, NULL);
|
|
drawable->private->floating_selection = NULL;
|
|
}
|
|
|
|
GimpFilter *
|
|
gimp_drawable_get_floating_sel_filter (GimpDrawable *drawable)
|
|
{
|
|
g_return_val_if_fail (GIMP_IS_DRAWABLE (drawable), NULL);
|
|
g_return_val_if_fail (gimp_drawable_get_floating_sel (drawable) != NULL, NULL);
|
|
|
|
/* Ensure that the graph is construced before the filter is used.
|
|
* Otherwise, we rely on the projection to cause the graph to be
|
|
* constructed, which fails for images that aren't displayed.
|
|
*/
|
|
gimp_filter_get_node (GIMP_FILTER (drawable));
|
|
|
|
return drawable->private->fs_filter;
|
|
}
|
|
|
|
|
|
/* private functions */
|
|
|
|
void
|
|
_gimp_drawable_add_floating_sel_filter (GimpDrawable *drawable)
|
|
{
|
|
GimpDrawablePrivate *private = drawable->private;
|
|
GimpImage *image = gimp_item_get_image (GIMP_ITEM (drawable));
|
|
GimpLayer *fs = gimp_drawable_get_floating_sel (drawable);
|
|
GeglNode *node;
|
|
GeglNode *fs_source;
|
|
|
|
if (! private->source_node)
|
|
return;
|
|
|
|
private->fs_filter = gimp_filter_new (_("Floating Selection"));
|
|
gimp_viewable_set_icon_name (GIMP_VIEWABLE (private->fs_filter),
|
|
"gimp-floating-selection");
|
|
|
|
node = gimp_filter_get_node (private->fs_filter);
|
|
|
|
fs_source = gimp_drawable_get_source_node (GIMP_DRAWABLE (fs));
|
|
|
|
/* rip the fs' source node out of its graph */
|
|
if (fs->layer_offset_node)
|
|
{
|
|
gegl_node_disconnect (fs->layer_offset_node, "input");
|
|
gegl_node_remove_child (gimp_filter_get_node (GIMP_FILTER (fs)),
|
|
fs_source);
|
|
}
|
|
|
|
gegl_node_add_child (node, fs_source);
|
|
|
|
private->fs_applicator = gimp_applicator_new (node, FALSE, FALSE);
|
|
|
|
private->fs_crop_node =
|
|
gegl_node_new_child (node,
|
|
"operation", "gegl:crop",
|
|
NULL);
|
|
|
|
gegl_node_connect_to (fs_source, "output",
|
|
private->fs_crop_node, "input");
|
|
gegl_node_connect_to (private->fs_crop_node, "output",
|
|
node, "aux");
|
|
|
|
gimp_drawable_add_filter (drawable, private->fs_filter);
|
|
|
|
g_signal_connect (fs, "notify",
|
|
G_CALLBACK (gimp_drawable_fs_notify),
|
|
drawable);
|
|
g_signal_connect (image, "component-active-changed",
|
|
G_CALLBACK (gimp_drawable_fs_affect_changed),
|
|
drawable);
|
|
g_signal_connect (image, "mask-changed",
|
|
G_CALLBACK (gimp_drawable_fs_mask_changed),
|
|
drawable);
|
|
|
|
gimp_drawable_sync_fs_filter (drawable);
|
|
}
|
|
|
|
|
|
/* private functions */
|
|
|
|
static void
|
|
gimp_drawable_remove_fs_filter (GimpDrawable *drawable)
|
|
{
|
|
GimpDrawablePrivate *private = drawable->private;
|
|
GimpImage *image = gimp_item_get_image (GIMP_ITEM (drawable));
|
|
GimpLayer *fs = gimp_drawable_get_floating_sel (drawable);
|
|
|
|
if (private->fs_filter)
|
|
{
|
|
GeglNode *node;
|
|
GeglNode *fs_source;
|
|
|
|
g_signal_handlers_disconnect_by_func (fs,
|
|
gimp_drawable_fs_notify,
|
|
drawable);
|
|
g_signal_handlers_disconnect_by_func (image,
|
|
gimp_drawable_fs_affect_changed,
|
|
drawable);
|
|
g_signal_handlers_disconnect_by_func (image,
|
|
gimp_drawable_fs_mask_changed,
|
|
drawable);
|
|
|
|
gimp_drawable_remove_filter (drawable, private->fs_filter);
|
|
|
|
node = gimp_filter_get_node (private->fs_filter);
|
|
|
|
fs_source = gimp_drawable_get_source_node (GIMP_DRAWABLE (fs));
|
|
|
|
gegl_node_remove_child (node, fs_source);
|
|
|
|
/* plug the fs' source node back into its graph */
|
|
if (fs->layer_offset_node)
|
|
{
|
|
gegl_node_add_child (gimp_filter_get_node (GIMP_FILTER (fs)),
|
|
fs_source);
|
|
gegl_node_connect_to (fs_source, "output",
|
|
fs->layer_offset_node, "input");
|
|
}
|
|
|
|
g_object_unref (private->fs_filter);
|
|
private->fs_filter = NULL;
|
|
|
|
g_object_unref (private->fs_applicator);
|
|
private->fs_applicator = NULL;
|
|
|
|
private->fs_crop_node = NULL;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gimp_drawable_sync_fs_filter (GimpDrawable *drawable)
|
|
{
|
|
GimpDrawablePrivate *private = drawable->private;
|
|
GimpImage *image = gimp_item_get_image (GIMP_ITEM (drawable));
|
|
GimpChannel *mask = gimp_image_get_mask (image);
|
|
GimpLayer *fs = gimp_drawable_get_floating_sel (drawable);
|
|
gint off_x, off_y;
|
|
gint fs_off_x, fs_off_y;
|
|
|
|
gimp_item_get_offset (GIMP_ITEM (drawable), &off_x, &off_y);
|
|
gimp_item_get_offset (GIMP_ITEM (fs), &fs_off_x, &fs_off_y);
|
|
|
|
gegl_node_set (private->fs_crop_node,
|
|
"x", (gdouble) (off_x - fs_off_x),
|
|
"y", (gdouble) (off_y - fs_off_y),
|
|
"width", (gdouble) gimp_item_get_width (GIMP_ITEM (drawable)),
|
|
"height", (gdouble) gimp_item_get_height (GIMP_ITEM (drawable)),
|
|
NULL);
|
|
|
|
gimp_applicator_set_apply_offset (private->fs_applicator,
|
|
fs_off_x - off_x,
|
|
fs_off_y - off_y);
|
|
|
|
if (gimp_channel_is_empty (mask))
|
|
{
|
|
gimp_applicator_set_mask_buffer (private->fs_applicator, NULL);
|
|
}
|
|
else
|
|
{
|
|
GeglBuffer *buffer = gimp_drawable_get_buffer (GIMP_DRAWABLE (mask));
|
|
|
|
gimp_applicator_set_mask_buffer (private->fs_applicator, buffer);
|
|
gimp_applicator_set_mask_offset (private->fs_applicator,
|
|
-off_x, -off_y);
|
|
}
|
|
|
|
gimp_applicator_set_opacity (private->fs_applicator,
|
|
gimp_layer_get_opacity (fs));
|
|
gimp_applicator_set_mode (private->fs_applicator,
|
|
gimp_layer_get_mode (fs),
|
|
gimp_layer_get_blend_space (fs),
|
|
gimp_layer_get_composite_space (fs),
|
|
gimp_layer_get_composite_mode (fs));
|
|
gimp_applicator_set_affect (private->fs_applicator,
|
|
gimp_drawable_get_active_mask (drawable));
|
|
}
|
|
|
|
static void
|
|
gimp_drawable_fs_notify (GimpLayer *fs,
|
|
const GParamSpec *pspec,
|
|
GimpDrawable *drawable)
|
|
{
|
|
if (! strcmp (pspec->name, "offset-x") ||
|
|
! strcmp (pspec->name, "offset-y") ||
|
|
! strcmp (pspec->name, "visible") ||
|
|
! strcmp (pspec->name, "mode") ||
|
|
! strcmp (pspec->name, "opacity"))
|
|
{
|
|
gimp_drawable_sync_fs_filter (drawable);
|
|
}
|
|
}
|
|
|
|
static void
|
|
gimp_drawable_fs_affect_changed (GimpImage *image,
|
|
GimpChannelType channel,
|
|
GimpDrawable *drawable)
|
|
{
|
|
GimpLayer *fs = gimp_drawable_get_floating_sel (drawable);
|
|
|
|
gimp_drawable_sync_fs_filter (drawable);
|
|
|
|
gimp_drawable_update (GIMP_DRAWABLE (fs), 0, 0, -1, -1);
|
|
}
|
|
|
|
static void
|
|
gimp_drawable_fs_mask_changed (GimpImage *image,
|
|
GimpDrawable *drawable)
|
|
{
|
|
GimpLayer *fs = gimp_drawable_get_floating_sel (drawable);
|
|
|
|
gimp_drawable_sync_fs_filter (drawable);
|
|
|
|
gimp_drawable_update (GIMP_DRAWABLE (fs), 0, 0, -1, -1);
|
|
}
|
|
|
|
static void
|
|
gimp_drawable_fs_update (GimpLayer *fs,
|
|
gint x,
|
|
gint y,
|
|
gint width,
|
|
gint height,
|
|
GimpDrawable *drawable)
|
|
{
|
|
gint fs_off_x, fs_off_y;
|
|
gint off_x, off_y;
|
|
gint dr_x, dr_y, dr_width, dr_height;
|
|
|
|
gimp_item_get_offset (GIMP_ITEM (fs), &fs_off_x, &fs_off_y);
|
|
gimp_item_get_offset (GIMP_ITEM (drawable), &off_x, &off_y);
|
|
|
|
if (gimp_rectangle_intersect (x + fs_off_x,
|
|
y + fs_off_y,
|
|
width,
|
|
height,
|
|
off_x,
|
|
off_y,
|
|
gimp_item_get_width (GIMP_ITEM (drawable)),
|
|
gimp_item_get_height (GIMP_ITEM (drawable)),
|
|
&dr_x,
|
|
&dr_y,
|
|
&dr_width,
|
|
&dr_height))
|
|
{
|
|
gimp_drawable_update (drawable,
|
|
dr_x - off_x, dr_y - off_y,
|
|
dr_width, dr_height);
|
|
}
|
|
}
|