Adding upstream version 2.10.22.upstream/2.10.22upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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);
+}