diff options
Diffstat (limited to 'app/core/gimpdrawableundo.c')
| -rw-r--r-- | app/core/gimpdrawableundo.c | 207 |
1 files changed, 207 insertions, 0 deletions
diff --git a/app/core/gimpdrawableundo.c b/app/core/gimpdrawableundo.c new file mode 100644 index 0000000..78b8f39 --- /dev/null +++ b/app/core/gimpdrawableundo.c @@ -0,0 +1,207 @@ +/* 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 <gdk-pixbuf/gdk-pixbuf.h> +#include <gegl.h> + +#include "libgimpbase/gimpbase.h" + +#include "core-types.h" + +#include "gimp-memsize.h" +#include "gimpimage.h" +#include "gimpdrawable.h" +#include "gimpdrawableundo.h" + + +enum +{ + PROP_0, + PROP_BUFFER, + PROP_X, + PROP_Y +}; + + +static void gimp_drawable_undo_constructed (GObject *object); +static void gimp_drawable_undo_set_property (GObject *object, + guint property_id, + const GValue *value, + GParamSpec *pspec); +static void gimp_drawable_undo_get_property (GObject *object, + guint property_id, + GValue *value, + GParamSpec *pspec); + +static gint64 gimp_drawable_undo_get_memsize (GimpObject *object, + gint64 *gui_size); + +static void gimp_drawable_undo_pop (GimpUndo *undo, + GimpUndoMode undo_mode, + GimpUndoAccumulator *accum); +static void gimp_drawable_undo_free (GimpUndo *undo, + GimpUndoMode undo_mode); + + +G_DEFINE_TYPE (GimpDrawableUndo, gimp_drawable_undo, GIMP_TYPE_ITEM_UNDO) + +#define parent_class gimp_drawable_undo_parent_class + + +static void +gimp_drawable_undo_class_init (GimpDrawableUndoClass *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_drawable_undo_constructed; + object_class->set_property = gimp_drawable_undo_set_property; + object_class->get_property = gimp_drawable_undo_get_property; + + gimp_object_class->get_memsize = gimp_drawable_undo_get_memsize; + + undo_class->pop = gimp_drawable_undo_pop; + undo_class->free = gimp_drawable_undo_free; + + g_object_class_install_property (object_class, PROP_BUFFER, + g_param_spec_object ("buffer", NULL, NULL, + GEGL_TYPE_BUFFER, + GIMP_PARAM_READWRITE | + G_PARAM_CONSTRUCT_ONLY)); + + g_object_class_install_property (object_class, PROP_X, + g_param_spec_int ("x", NULL, NULL, + 0, GIMP_MAX_IMAGE_SIZE, 0, + GIMP_PARAM_READWRITE | + G_PARAM_CONSTRUCT_ONLY)); + + g_object_class_install_property (object_class, PROP_Y, + g_param_spec_int ("y", NULL, NULL, + 0, GIMP_MAX_IMAGE_SIZE, 0, + GIMP_PARAM_READWRITE | + G_PARAM_CONSTRUCT_ONLY)); +} + +static void +gimp_drawable_undo_init (GimpDrawableUndo *undo) +{ +} + +static void +gimp_drawable_undo_constructed (GObject *object) +{ + GimpDrawableUndo *drawable_undo = GIMP_DRAWABLE_UNDO (object); + + G_OBJECT_CLASS (parent_class)->constructed (object); + + gimp_assert (GIMP_IS_DRAWABLE (GIMP_ITEM_UNDO (object)->item)); + gimp_assert (GEGL_IS_BUFFER (drawable_undo->buffer)); +} + +static void +gimp_drawable_undo_set_property (GObject *object, + guint property_id, + const GValue *value, + GParamSpec *pspec) +{ + GimpDrawableUndo *drawable_undo = GIMP_DRAWABLE_UNDO (object); + + switch (property_id) + { + case PROP_BUFFER: + drawable_undo->buffer = g_value_dup_object (value); + break; + case PROP_X: + drawable_undo->x = g_value_get_int (value); + break; + case PROP_Y: + drawable_undo->y = g_value_get_int (value); + break; + + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); + break; + } +} + +static void +gimp_drawable_undo_get_property (GObject *object, + guint property_id, + GValue *value, + GParamSpec *pspec) +{ + GimpDrawableUndo *drawable_undo = GIMP_DRAWABLE_UNDO (object); + + switch (property_id) + { + case PROP_BUFFER: + g_value_set_object (value, drawable_undo->buffer); + break; + case PROP_X: + g_value_set_int (value, drawable_undo->x); + break; + case PROP_Y: + g_value_set_int (value, drawable_undo->y); + break; + + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); + break; + } +} + +static gint64 +gimp_drawable_undo_get_memsize (GimpObject *object, + gint64 *gui_size) +{ + GimpDrawableUndo *drawable_undo = GIMP_DRAWABLE_UNDO (object); + gint64 memsize = 0; + + memsize += gimp_gegl_buffer_get_memsize (drawable_undo->buffer); + + return memsize + GIMP_OBJECT_CLASS (parent_class)->get_memsize (object, + gui_size); +} + +static void +gimp_drawable_undo_pop (GimpUndo *undo, + GimpUndoMode undo_mode, + GimpUndoAccumulator *accum) +{ + GimpDrawableUndo *drawable_undo = GIMP_DRAWABLE_UNDO (undo); + + GIMP_UNDO_CLASS (parent_class)->pop (undo, undo_mode, accum); + + gimp_drawable_swap_pixels (GIMP_DRAWABLE (GIMP_ITEM_UNDO (undo)->item), + drawable_undo->buffer, + drawable_undo->x, + drawable_undo->y); +} + +static void +gimp_drawable_undo_free (GimpUndo *undo, + GimpUndoMode undo_mode) +{ + GimpDrawableUndo *drawable_undo = GIMP_DRAWABLE_UNDO (undo); + + g_clear_object (&drawable_undo->buffer); + + GIMP_UNDO_CLASS (parent_class)->free (undo, undo_mode); +} |