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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/paint/gimpinkundo.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/paint/gimpinkundo.c')
-rw-r--r--app/paint/gimpinkundo.c125
1 files changed, 125 insertions, 0 deletions
diff --git a/app/paint/gimpinkundo.c b/app/paint/gimpinkundo.c
new file mode 100644
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--- /dev/null
+++ b/app/paint/gimpinkundo.c
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+/* 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 <gdk-pixbuf/gdk-pixbuf.h>
+#include <gegl.h>
+
+#include "paint-types.h"
+
+#include "gimpink.h"
+#include "gimpink-blob.h"
+#include "gimpinkundo.h"
+
+
+static void gimp_ink_undo_constructed (GObject *object);
+
+static void gimp_ink_undo_pop (GimpUndo *undo,
+ GimpUndoMode undo_mode,
+ GimpUndoAccumulator *accum);
+static void gimp_ink_undo_free (GimpUndo *undo,
+ GimpUndoMode undo_mode);
+
+
+G_DEFINE_TYPE (GimpInkUndo, gimp_ink_undo, GIMP_TYPE_PAINT_CORE_UNDO)
+
+#define parent_class gimp_ink_undo_parent_class
+
+
+static void
+gimp_ink_undo_class_init (GimpInkUndoClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+ GimpUndoClass *undo_class = GIMP_UNDO_CLASS (klass);
+
+ object_class->constructed = gimp_ink_undo_constructed;
+
+ undo_class->pop = gimp_ink_undo_pop;
+ undo_class->free = gimp_ink_undo_free;
+}
+
+static void
+gimp_ink_undo_init (GimpInkUndo *undo)
+{
+ undo->last_blobs = NULL;
+}
+
+static void
+gimp_ink_undo_constructed (GObject *object)
+{
+ GimpInkUndo *ink_undo = GIMP_INK_UNDO (object);
+ GimpInk *ink;
+
+ G_OBJECT_CLASS (parent_class)->constructed (object);
+
+ gimp_assert (GIMP_IS_INK (GIMP_PAINT_CORE_UNDO (ink_undo)->paint_core));
+
+ ink = GIMP_INK (GIMP_PAINT_CORE_UNDO (ink_undo)->paint_core);
+
+ if (ink->start_blobs)
+ {
+ gint i;
+ GimpBlob *blob;
+
+ for (i = 0; i < g_list_length (ink->start_blobs); i++)
+ {
+ blob = g_list_nth_data (ink->start_blobs, i);
+
+ ink_undo->last_blobs = g_list_prepend (ink_undo->last_blobs,
+ gimp_blob_duplicate (blob));
+ }
+ ink_undo->last_blobs = g_list_reverse (ink_undo->last_blobs);
+ }
+}
+
+static void
+gimp_ink_undo_pop (GimpUndo *undo,
+ GimpUndoMode undo_mode,
+ GimpUndoAccumulator *accum)
+{
+ GimpInkUndo *ink_undo = GIMP_INK_UNDO (undo);
+
+ GIMP_UNDO_CLASS (parent_class)->pop (undo, undo_mode, accum);
+
+ if (GIMP_PAINT_CORE_UNDO (ink_undo)->paint_core)
+ {
+ GimpInk *ink = GIMP_INK (GIMP_PAINT_CORE_UNDO (ink_undo)->paint_core);
+ GList *tmp_blobs;
+
+ tmp_blobs = ink->last_blobs;
+ ink->last_blobs = ink_undo->last_blobs;
+ ink_undo->last_blobs = tmp_blobs;
+ }
+}
+
+static void
+gimp_ink_undo_free (GimpUndo *undo,
+ GimpUndoMode undo_mode)
+{
+ GimpInkUndo *ink_undo = GIMP_INK_UNDO (undo);
+
+ if (ink_undo->last_blobs)
+ {
+ g_list_free_full (ink_undo->last_blobs, g_free);
+ ink_undo->last_blobs = NULL;
+ }
+
+ GIMP_UNDO_CLASS (parent_class)->free (undo, undo_mode);
+}