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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 16:23:22 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 16:23:22 +0000
commite42129241681dde7adae7d20697e7b421682fbb4 (patch)
treeaf1fe815a5e639e68e59fabd8395ec69458b3e5e /app/core/gimpimageundo.c
parentInitial commit. (diff)
downloadgimp-e42129241681dde7adae7d20697e7b421682fbb4.tar.xz
gimp-e42129241681dde7adae7d20697e7b421682fbb4.zip
Adding upstream version 2.10.22.upstream/2.10.22upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'app/core/gimpimageundo.c')
-rw-r--r--app/core/gimpimageundo.c535
1 files changed, 535 insertions, 0 deletions
diff --git a/app/core/gimpimageundo.c b/app/core/gimpimageundo.c
new file mode 100644
index 0000000..8aa9e11
--- /dev/null
+++ b/app/core/gimpimageundo.c
@@ -0,0 +1,535 @@
+/* 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 <string.h>
+
+#include <cairo.h>
+#include <gegl.h>
+#include <gdk-pixbuf/gdk-pixbuf.h>
+
+#include "libgimpbase/gimpbase.h"
+#include "libgimpcolor/gimpcolor.h"
+#include "libgimpconfig/gimpconfig.h"
+
+#include "core-types.h"
+
+#include "gimp-memsize.h"
+#include "gimpdrawable.h"
+#include "gimpgrid.h"
+#include "gimpimage.h"
+#include "gimpimage-color-profile.h"
+#include "gimpimage-colormap.h"
+#include "gimpimage-grid.h"
+#include "gimpimage-metadata.h"
+#include "gimpimage-private.h"
+#include "gimpimageundo.h"
+
+
+enum
+{
+ PROP_0,
+ PROP_PREVIOUS_ORIGIN_X,
+ PROP_PREVIOUS_ORIGIN_Y,
+ PROP_PREVIOUS_WIDTH,
+ PROP_PREVIOUS_HEIGHT,
+ PROP_GRID,
+ PROP_PARASITE_NAME
+};
+
+
+static void gimp_image_undo_constructed (GObject *object);
+static void gimp_image_undo_set_property (GObject *object,
+ guint property_id,
+ const GValue *value,
+ GParamSpec *pspec);
+static void gimp_image_undo_get_property (GObject *object,
+ guint property_id,
+ GValue *value,
+ GParamSpec *pspec);
+
+static gint64 gimp_image_undo_get_memsize (GimpObject *object,
+ gint64 *gui_size);
+
+static void gimp_image_undo_pop (GimpUndo *undo,
+ GimpUndoMode undo_mode,
+ GimpUndoAccumulator *accum);
+static void gimp_image_undo_free (GimpUndo *undo,
+ GimpUndoMode undo_mode);
+
+
+G_DEFINE_TYPE (GimpImageUndo, gimp_image_undo, GIMP_TYPE_UNDO)
+
+#define parent_class gimp_image_undo_parent_class
+
+
+static void
+gimp_image_undo_class_init (GimpImageUndoClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+ GimpObjectClass *gimp_object_class = GIMP_OBJECT_CLASS (klass);
+ GimpUndoClass *undo_class = GIMP_UNDO_CLASS (klass);
+
+ object_class->constructed = gimp_image_undo_constructed;
+ object_class->set_property = gimp_image_undo_set_property;
+ object_class->get_property = gimp_image_undo_get_property;
+
+ gimp_object_class->get_memsize = gimp_image_undo_get_memsize;
+
+ undo_class->pop = gimp_image_undo_pop;
+ undo_class->free = gimp_image_undo_free;
+
+ g_object_class_install_property (object_class, PROP_PREVIOUS_ORIGIN_X,
+ g_param_spec_int ("previous-origin-x",
+ NULL, NULL,
+ -GIMP_MAX_IMAGE_SIZE,
+ GIMP_MAX_IMAGE_SIZE,
+ 0,
+ GIMP_PARAM_READWRITE));
+
+ g_object_class_install_property (object_class, PROP_PREVIOUS_ORIGIN_Y,
+ g_param_spec_int ("previous-origin-y",
+ NULL, NULL,
+ -GIMP_MAX_IMAGE_SIZE,
+ GIMP_MAX_IMAGE_SIZE,
+ 0,
+ GIMP_PARAM_READWRITE));
+
+ g_object_class_install_property (object_class, PROP_PREVIOUS_WIDTH,
+ g_param_spec_int ("previous-width",
+ NULL, NULL,
+ -GIMP_MAX_IMAGE_SIZE,
+ GIMP_MAX_IMAGE_SIZE,
+ 0,
+ GIMP_PARAM_READWRITE));
+
+ g_object_class_install_property (object_class, PROP_PREVIOUS_HEIGHT,
+ g_param_spec_int ("previous-height",
+ NULL, NULL,
+ -GIMP_MAX_IMAGE_SIZE,
+ GIMP_MAX_IMAGE_SIZE,
+ 0,
+ GIMP_PARAM_READWRITE));
+
+ g_object_class_install_property (object_class, PROP_GRID,
+ g_param_spec_object ("grid", NULL, NULL,
+ GIMP_TYPE_GRID,
+ GIMP_PARAM_READWRITE |
+ G_PARAM_CONSTRUCT_ONLY));
+
+ g_object_class_install_property (object_class, PROP_PARASITE_NAME,
+ g_param_spec_string ("parasite-name",
+ NULL, NULL,
+ NULL,
+ GIMP_PARAM_READWRITE |
+ G_PARAM_CONSTRUCT_ONLY));
+}
+
+static void
+gimp_image_undo_init (GimpImageUndo *undo)
+{
+}
+
+static void
+gimp_image_undo_constructed (GObject *object)
+{
+ GimpImageUndo *image_undo = GIMP_IMAGE_UNDO (object);
+ GimpImage *image;
+
+ G_OBJECT_CLASS (parent_class)->constructed (object);
+
+ image = GIMP_UNDO (object)->image;
+
+ switch (GIMP_UNDO (object)->undo_type)
+ {
+ case GIMP_UNDO_IMAGE_TYPE:
+ image_undo->base_type = gimp_image_get_base_type (image);
+ break;
+
+ case GIMP_UNDO_IMAGE_PRECISION:
+ image_undo->precision = gimp_image_get_precision (image);
+ break;
+
+ case GIMP_UNDO_IMAGE_SIZE:
+ image_undo->width = gimp_image_get_width (image);
+ image_undo->height = gimp_image_get_height (image);
+ break;
+
+ case GIMP_UNDO_IMAGE_RESOLUTION:
+ gimp_image_get_resolution (image,
+ &image_undo->xresolution,
+ &image_undo->yresolution);
+ image_undo->resolution_unit = gimp_image_get_unit (image);
+ break;
+
+ case GIMP_UNDO_IMAGE_GRID:
+ gimp_assert (GIMP_IS_GRID (image_undo->grid));
+ break;
+
+ case GIMP_UNDO_IMAGE_COLORMAP:
+ image_undo->num_colors = gimp_image_get_colormap_size (image);
+ image_undo->colormap = g_memdup (gimp_image_get_colormap (image),
+ GIMP_IMAGE_COLORMAP_SIZE);
+ break;
+
+ case GIMP_UNDO_IMAGE_COLOR_MANAGED:
+ image_undo->is_color_managed = gimp_image_get_is_color_managed (image);
+ break;
+
+ case GIMP_UNDO_IMAGE_METADATA:
+ image_undo->metadata =
+ gimp_metadata_duplicate (gimp_image_get_metadata (image));
+ break;
+
+ case GIMP_UNDO_PARASITE_ATTACH:
+ case GIMP_UNDO_PARASITE_REMOVE:
+ gimp_assert (image_undo->parasite_name != NULL);
+
+ image_undo->parasite = gimp_parasite_copy
+ (gimp_image_parasite_find (image, image_undo->parasite_name));
+ break;
+
+ default:
+ g_return_if_reached ();
+ }
+}
+
+static void
+gimp_image_undo_set_property (GObject *object,
+ guint property_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ GimpImageUndo *image_undo = GIMP_IMAGE_UNDO (object);
+
+ switch (property_id)
+ {
+ case PROP_PREVIOUS_ORIGIN_X:
+ image_undo->previous_origin_x = g_value_get_int (value);
+ break;
+ case PROP_PREVIOUS_ORIGIN_Y:
+ image_undo->previous_origin_y = g_value_get_int (value);
+ break;
+ case PROP_PREVIOUS_WIDTH:
+ image_undo->previous_width = g_value_get_int (value);
+ break;
+ case PROP_PREVIOUS_HEIGHT:
+ image_undo->previous_height = g_value_get_int (value);
+ break;
+ case PROP_GRID:
+ {
+ GimpGrid *grid = g_value_get_object (value);
+
+ if (grid)
+ image_undo->grid = gimp_config_duplicate (GIMP_CONFIG (grid));
+ }
+ break;
+ case PROP_PARASITE_NAME:
+ image_undo->parasite_name = g_value_dup_string (value);
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+ break;
+ }
+}
+
+static void
+gimp_image_undo_get_property (GObject *object,
+ guint property_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ GimpImageUndo *image_undo = GIMP_IMAGE_UNDO (object);
+
+ switch (property_id)
+ {
+ case PROP_PREVIOUS_ORIGIN_X:
+ g_value_set_int (value, image_undo->previous_origin_x);
+ break;
+ case PROP_PREVIOUS_ORIGIN_Y:
+ g_value_set_int (value, image_undo->previous_origin_y);
+ break;
+ case PROP_PREVIOUS_WIDTH:
+ g_value_set_int (value, image_undo->previous_width);
+ break;
+ case PROP_PREVIOUS_HEIGHT:
+ g_value_set_int (value, image_undo->previous_height);
+ break;
+ case PROP_GRID:
+ g_value_set_object (value, image_undo->grid);
+ break;
+ case PROP_PARASITE_NAME:
+ g_value_set_string (value, image_undo->parasite_name);
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+ break;
+ }
+}
+
+static gint64
+gimp_image_undo_get_memsize (GimpObject *object,
+ gint64 *gui_size)
+{
+ GimpImageUndo *image_undo = GIMP_IMAGE_UNDO (object);
+ gint64 memsize = 0;
+
+ if (image_undo->colormap)
+ memsize += GIMP_IMAGE_COLORMAP_SIZE;
+
+ if (image_undo->metadata)
+ memsize += gimp_g_object_get_memsize (G_OBJECT (image_undo->metadata));
+
+ memsize += gimp_object_get_memsize (GIMP_OBJECT (image_undo->grid),
+ gui_size);
+ memsize += gimp_string_get_memsize (image_undo->parasite_name);
+ memsize += gimp_parasite_get_memsize (image_undo->parasite, gui_size);
+
+ return memsize + GIMP_OBJECT_CLASS (parent_class)->get_memsize (object,
+ gui_size);
+}
+
+static void
+gimp_image_undo_pop (GimpUndo *undo,
+ GimpUndoMode undo_mode,
+ GimpUndoAccumulator *accum)
+{
+ GimpImageUndo *image_undo = GIMP_IMAGE_UNDO (undo);
+ GimpImage *image = undo->image;
+ GimpImagePrivate *private = GIMP_IMAGE_GET_PRIVATE (image);
+
+ GIMP_UNDO_CLASS (parent_class)->pop (undo, undo_mode, accum);
+
+ switch (undo->undo_type)
+ {
+ case GIMP_UNDO_IMAGE_TYPE:
+ {
+ GimpImageBaseType base_type;
+
+ base_type = image_undo->base_type;
+ image_undo->base_type = gimp_image_get_base_type (image);
+ g_object_set (image, "base-type", base_type, NULL);
+
+ gimp_image_colormap_changed (image, -1);
+
+ if (image_undo->base_type != gimp_image_get_base_type (image))
+ {
+ if ((image_undo->base_type == GIMP_GRAY) ||
+ (gimp_image_get_base_type (image) == GIMP_GRAY))
+ {
+ /* in case there was no profile undo, we need to emit
+ * profile-changed anyway
+ */
+ gimp_color_managed_profile_changed (GIMP_COLOR_MANAGED (image));
+ }
+
+ accum->mode_changed = TRUE;
+ }
+ }
+ break;
+
+ case GIMP_UNDO_IMAGE_PRECISION:
+ {
+ GimpPrecision precision;
+
+ precision = image_undo->precision;
+ image_undo->precision = gimp_image_get_precision (image);
+ g_object_set (image, "precision", precision, NULL);
+
+ if (image_undo->precision != gimp_image_get_precision (image))
+ accum->precision_changed = TRUE;
+ }
+ break;
+
+ case GIMP_UNDO_IMAGE_SIZE:
+ {
+ gint width;
+ gint height;
+ gint previous_origin_x;
+ gint previous_origin_y;
+ gint previous_width;
+ gint previous_height;
+
+ width = image_undo->width;
+ height = image_undo->height;
+ previous_origin_x = image_undo->previous_origin_x;
+ previous_origin_y = image_undo->previous_origin_y;
+ previous_width = image_undo->previous_width;
+ previous_height = image_undo->previous_height;
+
+ /* Transform to a redo */
+ image_undo->width = gimp_image_get_width (image);
+ image_undo->height = gimp_image_get_height (image);
+ image_undo->previous_origin_x = -previous_origin_x;
+ image_undo->previous_origin_y = -previous_origin_y;
+ image_undo->previous_width = width;
+ image_undo->previous_height = height;
+
+ g_object_set (image,
+ "width", width,
+ "height", height,
+ NULL);
+
+ gimp_drawable_invalidate_boundary
+ (GIMP_DRAWABLE (gimp_image_get_mask (image)));
+
+ if (gimp_image_get_width (image) != image_undo->width ||
+ gimp_image_get_height (image) != image_undo->height)
+ {
+ accum->size_changed = TRUE;
+ accum->previous_origin_x = previous_origin_x;
+ accum->previous_origin_y = previous_origin_y;
+ accum->previous_width = previous_width;
+ accum->previous_height = previous_height;
+ }
+ }
+ break;
+
+ case GIMP_UNDO_IMAGE_RESOLUTION:
+ {
+ gdouble xres;
+ gdouble yres;
+
+ gimp_image_get_resolution (image, &xres, &yres);
+
+ if (ABS (image_undo->xresolution - xres) >= 1e-5 ||
+ ABS (image_undo->yresolution - yres) >= 1e-5)
+ {
+ private->xresolution = image_undo->xresolution;
+ private->yresolution = image_undo->yresolution;
+
+ image_undo->xresolution = xres;
+ image_undo->yresolution = yres;
+
+ accum->resolution_changed = TRUE;
+ }
+ }
+
+ if (image_undo->resolution_unit != gimp_image_get_unit (image))
+ {
+ GimpUnit unit;
+
+ unit = gimp_image_get_unit (image);
+ private->resolution_unit = image_undo->resolution_unit;
+ image_undo->resolution_unit = unit;
+
+ accum->unit_changed = TRUE;
+ }
+ break;
+
+ case GIMP_UNDO_IMAGE_GRID:
+ {
+ GimpGrid *grid;
+
+ grid = gimp_config_duplicate (GIMP_CONFIG (gimp_image_get_grid (image)));
+
+ gimp_image_set_grid (image, image_undo->grid, FALSE);
+
+ g_object_unref (image_undo->grid);
+ image_undo->grid = grid;
+ }
+ break;
+
+ case GIMP_UNDO_IMAGE_COLORMAP:
+ {
+ guchar *colormap;
+ gint num_colors;
+
+ num_colors = gimp_image_get_colormap_size (image);
+ colormap = g_memdup (gimp_image_get_colormap (image),
+ GIMP_IMAGE_COLORMAP_SIZE);
+
+ if (image_undo->colormap)
+ gimp_image_set_colormap (image,
+ image_undo->colormap, image_undo->num_colors,
+ FALSE);
+ else
+ gimp_image_unset_colormap (image, FALSE);
+
+ if (image_undo->colormap)
+ g_free (image_undo->colormap);
+
+ image_undo->num_colors = num_colors;
+ image_undo->colormap = colormap;
+ }
+ break;
+
+ case GIMP_UNDO_IMAGE_COLOR_MANAGED:
+ {
+ gboolean is_color_managed;
+
+ is_color_managed = gimp_image_get_is_color_managed (image);
+ gimp_image_set_is_color_managed (image, image_undo->is_color_managed,
+ FALSE);
+ image_undo->is_color_managed = is_color_managed;
+ }
+ break;
+
+ case GIMP_UNDO_IMAGE_METADATA:
+ {
+ GimpMetadata *metadata;
+
+ metadata = gimp_metadata_duplicate (gimp_image_get_metadata (image));
+
+ gimp_image_set_metadata (image, image_undo->metadata, FALSE);
+
+ if (image_undo->metadata)
+ g_object_unref (image_undo->metadata);
+ image_undo->metadata = metadata;
+ }
+ break;
+
+ case GIMP_UNDO_PARASITE_ATTACH:
+ case GIMP_UNDO_PARASITE_REMOVE:
+ {
+ GimpParasite *parasite = image_undo->parasite;
+
+ image_undo->parasite = gimp_parasite_copy
+ (gimp_image_parasite_find (image, image_undo->parasite_name));
+
+ if (parasite)
+ gimp_image_parasite_attach (image, parasite, FALSE);
+ else
+ gimp_image_parasite_detach (image, image_undo->parasite_name, FALSE);
+
+ 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);
+}