mirror of https://github.com/GNOME/gimp.git
544 lines
18 KiB
C
544 lines
18 KiB
C
/* GIMP - The GNU 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 3 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, see <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <string.h>
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#include <cairo.h>
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#include <gegl.h>
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#include <gdk-pixbuf/gdk-pixbuf.h>
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#include "libgimpbase/gimpbase.h"
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#include "libgimpcolor/gimpcolor.h"
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#include "libgimpconfig/gimpconfig.h"
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#include "core-types.h"
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#include "gimp-memsize.h"
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#include "gimpdrawable.h"
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#include "gimpgrid.h"
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#include "gimpimage.h"
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#include "gimpimage-color-profile.h"
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#include "gimpimage-colormap.h"
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#include "gimpimage-grid.h"
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#include "gimpimage-metadata.h"
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#include "gimpimage-private.h"
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#include "gimpimageundo.h"
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#include "gimpparasitelist.h"
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enum
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{
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PROP_0,
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PROP_PREVIOUS_ORIGIN_X,
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PROP_PREVIOUS_ORIGIN_Y,
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PROP_PREVIOUS_WIDTH,
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PROP_PREVIOUS_HEIGHT,
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PROP_GRID,
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PROP_PARASITE_NAME
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};
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static void gimp_image_undo_constructed (GObject *object);
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static void gimp_image_undo_set_property (GObject *object,
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guint property_id,
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const GValue *value,
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GParamSpec *pspec);
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static void gimp_image_undo_get_property (GObject *object,
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guint property_id,
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GValue *value,
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GParamSpec *pspec);
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static gint64 gimp_image_undo_get_memsize (GimpObject *object,
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gint64 *gui_size);
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static void gimp_image_undo_pop (GimpUndo *undo,
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GimpUndoMode undo_mode,
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GimpUndoAccumulator *accum);
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static void gimp_image_undo_free (GimpUndo *undo,
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GimpUndoMode undo_mode);
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G_DEFINE_TYPE (GimpImageUndo, gimp_image_undo, GIMP_TYPE_UNDO)
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#define parent_class gimp_image_undo_parent_class
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static void
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gimp_image_undo_class_init (GimpImageUndoClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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GimpObjectClass *gimp_object_class = GIMP_OBJECT_CLASS (klass);
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GimpUndoClass *undo_class = GIMP_UNDO_CLASS (klass);
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object_class->constructed = gimp_image_undo_constructed;
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object_class->set_property = gimp_image_undo_set_property;
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object_class->get_property = gimp_image_undo_get_property;
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gimp_object_class->get_memsize = gimp_image_undo_get_memsize;
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undo_class->pop = gimp_image_undo_pop;
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undo_class->free = gimp_image_undo_free;
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g_object_class_install_property (object_class, PROP_PREVIOUS_ORIGIN_X,
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g_param_spec_int ("previous-origin-x",
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NULL, NULL,
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-GIMP_MAX_IMAGE_SIZE,
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GIMP_MAX_IMAGE_SIZE,
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0,
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GIMP_PARAM_READWRITE));
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g_object_class_install_property (object_class, PROP_PREVIOUS_ORIGIN_Y,
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g_param_spec_int ("previous-origin-y",
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NULL, NULL,
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-GIMP_MAX_IMAGE_SIZE,
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GIMP_MAX_IMAGE_SIZE,
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0,
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GIMP_PARAM_READWRITE));
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g_object_class_install_property (object_class, PROP_PREVIOUS_WIDTH,
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g_param_spec_int ("previous-width",
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NULL, NULL,
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-GIMP_MAX_IMAGE_SIZE,
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GIMP_MAX_IMAGE_SIZE,
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0,
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GIMP_PARAM_READWRITE));
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g_object_class_install_property (object_class, PROP_PREVIOUS_HEIGHT,
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g_param_spec_int ("previous-height",
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NULL, NULL,
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-GIMP_MAX_IMAGE_SIZE,
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GIMP_MAX_IMAGE_SIZE,
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0,
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GIMP_PARAM_READWRITE));
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g_object_class_install_property (object_class, PROP_GRID,
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g_param_spec_object ("grid", NULL, NULL,
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GIMP_TYPE_GRID,
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GIMP_PARAM_READWRITE |
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G_PARAM_CONSTRUCT_ONLY));
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g_object_class_install_property (object_class, PROP_PARASITE_NAME,
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g_param_spec_string ("parasite-name",
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NULL, NULL,
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NULL,
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GIMP_PARAM_READWRITE |
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G_PARAM_CONSTRUCT_ONLY));
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}
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static void
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gimp_image_undo_init (GimpImageUndo *undo)
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{
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}
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static void
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gimp_image_undo_constructed (GObject *object)
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{
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GimpImageUndo *image_undo = GIMP_IMAGE_UNDO (object);
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GimpImage *image;
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G_OBJECT_CLASS (parent_class)->constructed (object);
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image = GIMP_UNDO (object)->image;
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switch (GIMP_UNDO (object)->undo_type)
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{
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case GIMP_UNDO_IMAGE_TYPE:
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image_undo->base_type = gimp_image_get_base_type (image);
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break;
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case GIMP_UNDO_IMAGE_PRECISION:
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image_undo->precision = gimp_image_get_precision (image);
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break;
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case GIMP_UNDO_IMAGE_SIZE:
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image_undo->width = gimp_image_get_width (image);
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image_undo->height = gimp_image_get_height (image);
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break;
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case GIMP_UNDO_IMAGE_RESOLUTION:
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gimp_image_get_resolution (image,
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&image_undo->xresolution,
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&image_undo->yresolution);
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image_undo->resolution_unit = gimp_image_get_unit (image);
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break;
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case GIMP_UNDO_IMAGE_GRID:
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gimp_assert (GIMP_IS_GRID (image_undo->grid));
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break;
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case GIMP_UNDO_IMAGE_COLORMAP:
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image_undo->num_colors = gimp_image_get_colormap_size (image);
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image_undo->colormap = g_memdup (gimp_image_get_colormap (image),
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GIMP_IMAGE_COLORMAP_SIZE);
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break;
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case GIMP_UNDO_IMAGE_COLOR_MANAGED:
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image_undo->is_color_managed = gimp_image_get_is_color_managed (image);
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break;
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case GIMP_UNDO_IMAGE_METADATA:
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image_undo->metadata =
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gimp_metadata_duplicate (gimp_image_get_metadata (image));
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break;
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case GIMP_UNDO_PARASITE_ATTACH:
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case GIMP_UNDO_PARASITE_REMOVE:
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gimp_assert (image_undo->parasite_name != NULL);
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image_undo->parasite = gimp_parasite_copy
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(gimp_image_parasite_find (image, image_undo->parasite_name));
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break;
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default:
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g_return_if_reached ();
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}
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}
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static void
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gimp_image_undo_set_property (GObject *object,
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guint property_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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GimpImageUndo *image_undo = GIMP_IMAGE_UNDO (object);
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switch (property_id)
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{
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case PROP_PREVIOUS_ORIGIN_X:
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image_undo->previous_origin_x = g_value_get_int (value);
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break;
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case PROP_PREVIOUS_ORIGIN_Y:
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image_undo->previous_origin_y = g_value_get_int (value);
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break;
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case PROP_PREVIOUS_WIDTH:
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image_undo->previous_width = g_value_get_int (value);
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break;
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case PROP_PREVIOUS_HEIGHT:
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image_undo->previous_height = g_value_get_int (value);
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break;
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case PROP_GRID:
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{
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GimpGrid *grid = g_value_get_object (value);
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if (grid)
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image_undo->grid = gimp_config_duplicate (GIMP_CONFIG (grid));
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}
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break;
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case PROP_PARASITE_NAME:
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image_undo->parasite_name = g_value_dup_string (value);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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break;
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}
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}
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static void
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gimp_image_undo_get_property (GObject *object,
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guint property_id,
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GValue *value,
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GParamSpec *pspec)
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{
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GimpImageUndo *image_undo = GIMP_IMAGE_UNDO (object);
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switch (property_id)
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{
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case PROP_PREVIOUS_ORIGIN_X:
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g_value_set_int (value, image_undo->previous_origin_x);
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break;
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case PROP_PREVIOUS_ORIGIN_Y:
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g_value_set_int (value, image_undo->previous_origin_y);
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break;
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case PROP_PREVIOUS_WIDTH:
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g_value_set_int (value, image_undo->previous_width);
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break;
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case PROP_PREVIOUS_HEIGHT:
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g_value_set_int (value, image_undo->previous_height);
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break;
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case PROP_GRID:
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g_value_set_object (value, image_undo->grid);
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break;
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case PROP_PARASITE_NAME:
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g_value_set_string (value, image_undo->parasite_name);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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break;
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}
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}
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static gint64
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gimp_image_undo_get_memsize (GimpObject *object,
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gint64 *gui_size)
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{
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GimpImageUndo *image_undo = GIMP_IMAGE_UNDO (object);
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gint64 memsize = 0;
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if (image_undo->colormap)
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memsize += GIMP_IMAGE_COLORMAP_SIZE;
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if (image_undo->metadata)
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memsize += gimp_g_object_get_memsize (G_OBJECT (image_undo->metadata));
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memsize += gimp_object_get_memsize (GIMP_OBJECT (image_undo->grid),
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gui_size);
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memsize += gimp_string_get_memsize (image_undo->parasite_name);
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memsize += gimp_parasite_get_memsize (image_undo->parasite, gui_size);
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return memsize + GIMP_OBJECT_CLASS (parent_class)->get_memsize (object,
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gui_size);
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}
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static void
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gimp_image_undo_pop (GimpUndo *undo,
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GimpUndoMode undo_mode,
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GimpUndoAccumulator *accum)
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{
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GimpImageUndo *image_undo = GIMP_IMAGE_UNDO (undo);
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GimpImage *image = undo->image;
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GimpImagePrivate *private = GIMP_IMAGE_GET_PRIVATE (image);
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GIMP_UNDO_CLASS (parent_class)->pop (undo, undo_mode, accum);
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switch (undo->undo_type)
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{
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case GIMP_UNDO_IMAGE_TYPE:
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{
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GimpImageBaseType base_type;
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base_type = image_undo->base_type;
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image_undo->base_type = gimp_image_get_base_type (image);
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g_object_set (image, "base-type", base_type, NULL);
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gimp_image_colormap_changed (image, -1);
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if (image_undo->base_type != gimp_image_get_base_type (image))
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{
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if ((image_undo->base_type == GIMP_GRAY) ||
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(gimp_image_get_base_type (image) == GIMP_GRAY))
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{
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/* in case ther was no profile undo, we need to emit
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* profile-changed anyway
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*/
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gimp_color_managed_profile_changed (GIMP_COLOR_MANAGED (image));
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}
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accum->mode_changed = TRUE;
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}
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}
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break;
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case GIMP_UNDO_IMAGE_PRECISION:
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{
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GimpPrecision precision;
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precision = image_undo->precision;
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image_undo->precision = gimp_image_get_precision (image);
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g_object_set (image, "precision", precision, NULL);
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if (image_undo->precision != gimp_image_get_precision (image))
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accum->precision_changed = TRUE;
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}
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break;
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case GIMP_UNDO_IMAGE_SIZE:
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{
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gint width;
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gint height;
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gint previous_origin_x;
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gint previous_origin_y;
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gint previous_width;
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gint previous_height;
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width = image_undo->width;
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height = image_undo->height;
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previous_origin_x = image_undo->previous_origin_x;
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previous_origin_y = image_undo->previous_origin_y;
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previous_width = image_undo->previous_width;
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previous_height = image_undo->previous_height;
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/* Transform to a redo */
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image_undo->width = gimp_image_get_width (image);
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image_undo->height = gimp_image_get_height (image);
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image_undo->previous_origin_x = -previous_origin_x;
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image_undo->previous_origin_y = -previous_origin_y;
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image_undo->previous_width = width;
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image_undo->previous_height = height;
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g_object_set (image,
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"width", width,
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"height", height,
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NULL);
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gimp_drawable_invalidate_boundary
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(GIMP_DRAWABLE (gimp_image_get_mask (image)));
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if (gimp_image_get_width (image) != image_undo->width ||
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gimp_image_get_height (image) != image_undo->height)
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{
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accum->size_changed = TRUE;
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accum->previous_origin_x = previous_origin_x;
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accum->previous_origin_y = previous_origin_y;
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accum->previous_width = previous_width;
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accum->previous_height = previous_height;
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}
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}
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break;
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case GIMP_UNDO_IMAGE_RESOLUTION:
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{
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gdouble xres;
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gdouble yres;
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gimp_image_get_resolution (image, &xres, &yres);
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if (ABS (image_undo->xresolution - xres) >= 1e-5 ||
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ABS (image_undo->yresolution - yres) >= 1e-5)
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{
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private->xresolution = image_undo->xresolution;
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private->yresolution = image_undo->yresolution;
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image_undo->xresolution = xres;
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image_undo->yresolution = yres;
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accum->resolution_changed = TRUE;
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}
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}
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if (image_undo->resolution_unit != gimp_image_get_unit (image))
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{
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GimpUnit unit;
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unit = gimp_image_get_unit (image);
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private->resolution_unit = image_undo->resolution_unit;
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image_undo->resolution_unit = unit;
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accum->unit_changed = TRUE;
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}
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break;
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case GIMP_UNDO_IMAGE_GRID:
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{
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GimpGrid *grid;
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grid = gimp_config_duplicate (GIMP_CONFIG (gimp_image_get_grid (image)));
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gimp_image_set_grid (image, image_undo->grid, FALSE);
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g_object_unref (image_undo->grid);
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image_undo->grid = grid;
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}
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break;
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case GIMP_UNDO_IMAGE_COLORMAP:
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{
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guchar *colormap;
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gint num_colors;
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num_colors = gimp_image_get_colormap_size (image);
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colormap = g_memdup (gimp_image_get_colormap (image),
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GIMP_IMAGE_COLORMAP_SIZE);
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if (image_undo->colormap)
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gimp_image_set_colormap (image,
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image_undo->colormap, image_undo->num_colors,
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FALSE);
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else
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gimp_image_unset_colormap (image, FALSE);
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if (image_undo->colormap)
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g_free (image_undo->colormap);
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image_undo->num_colors = num_colors;
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image_undo->colormap = colormap;
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}
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break;
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case GIMP_UNDO_IMAGE_COLOR_MANAGED:
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{
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gboolean is_color_managed;
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is_color_managed = gimp_image_get_is_color_managed (image);
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gimp_image_set_is_color_managed (image, image_undo->is_color_managed,
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FALSE);
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image_undo->is_color_managed = is_color_managed;
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}
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break;
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case GIMP_UNDO_IMAGE_METADATA:
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{
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GimpMetadata *metadata;
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metadata = gimp_metadata_duplicate (gimp_image_get_metadata (image));
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gimp_image_set_metadata (image, image_undo->metadata, FALSE);
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if (image_undo->metadata)
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g_object_unref (image_undo->metadata);
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image_undo->metadata = metadata;
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}
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break;
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case GIMP_UNDO_PARASITE_ATTACH:
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case GIMP_UNDO_PARASITE_REMOVE:
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{
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GimpParasite *parasite = image_undo->parasite;
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const gchar *name;
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image_undo->parasite = gimp_parasite_copy
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(gimp_image_parasite_find (image, image_undo->parasite_name));
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if (parasite)
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gimp_parasite_list_add (private->parasites, parasite);
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else
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gimp_parasite_list_remove (private->parasites,
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image_undo->parasite_name);
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|
|
|
name = parasite ? parasite->name : image_undo->parasite_name;
|
|
|
|
if (strcmp (name, GIMP_ICC_PROFILE_PARASITE_NAME) == 0)
|
|
_gimp_image_update_color_profile (image, parasite);
|
|
|
|
if (parasite)
|
|
gimp_parasite_free (parasite);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
g_return_if_reached ();
|
|
}
|
|
}
|
|
|
|
static void
|
|
gimp_image_undo_free (GimpUndo *undo,
|
|
GimpUndoMode undo_mode)
|
|
{
|
|
GimpImageUndo *image_undo = GIMP_IMAGE_UNDO (undo);
|
|
|
|
g_clear_object (&image_undo->grid);
|
|
g_clear_pointer (&image_undo->colormap, g_free);
|
|
g_clear_object (&image_undo->metadata);
|
|
g_clear_pointer (&image_undo->parasite_name, g_free);
|
|
g_clear_pointer (&image_undo->parasite, gimp_parasite_free);
|
|
|
|
GIMP_UNDO_CLASS (parent_class)->free (undo, undo_mode);
|
|
}
|