1dbe765905
While most of our transform tools use an interactive transform grid, and have similar behavior, the flip tool is an odd one out. The new "auto straighten" function of the measure tool introduces another tool that performs transformations, while not behaving like the rest of the transform tools. Factor out the parts of GimpTransformTool that handle user interaction into GimpTransformGridTool (with corresponding GimpTransformGridOptions, and GimpTransformGridToolUndo), and only leave the basic transform functionality and options in GimpTransformTool (and GimpTransformOptions). Derive all the transform tools (and transform-tool base classes) that previously derived from GimpTransformTool, from GimpTransformGridTool. The one exception is GimpFlipTool, which still derives from GimpTransformTool directly. The next commit will derive GimpMeasureTool from GimpTransformTool as well.
221 lines
7.3 KiB
C
221 lines
7.3 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 <gegl.h>
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#include <gtk/gtk.h>
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#include "tools-types.h"
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#include "gimptoolcontrol.h"
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#include "gimptransformgridtool.h"
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#include "gimptransformgridtoolundo.h"
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enum
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{
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PROP_0,
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PROP_TRANSFORM_TOOL
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};
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static void gimp_transform_grid_tool_undo_constructed (GObject *object);
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static void gimp_transform_grid_tool_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_transform_grid_tool_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 void gimp_transform_grid_tool_undo_pop (GimpUndo *undo,
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GimpUndoMode undo_mode,
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GimpUndoAccumulator *accum);
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static void gimp_transform_grid_tool_undo_free (GimpUndo *undo,
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GimpUndoMode undo_mode);
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G_DEFINE_TYPE (GimpTransformGridToolUndo, gimp_transform_grid_tool_undo, GIMP_TYPE_UNDO)
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#define parent_class gimp_transform_grid_tool_undo_parent_class
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static void
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gimp_transform_grid_tool_undo_class_init (GimpTransformGridToolUndoClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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GimpUndoClass *undo_class = GIMP_UNDO_CLASS (klass);
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object_class->constructed = gimp_transform_grid_tool_undo_constructed;
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object_class->set_property = gimp_transform_grid_tool_undo_set_property;
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object_class->get_property = gimp_transform_grid_tool_undo_get_property;
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undo_class->pop = gimp_transform_grid_tool_undo_pop;
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undo_class->free = gimp_transform_grid_tool_undo_free;
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g_object_class_install_property (object_class, PROP_TRANSFORM_TOOL,
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g_param_spec_object ("transform-tool",
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NULL, NULL,
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GIMP_TYPE_TRANSFORM_GRID_TOOL,
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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_transform_grid_tool_undo_init (GimpTransformGridToolUndo *undo)
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{
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}
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static void
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gimp_transform_grid_tool_undo_constructed (GObject *object)
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{
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GimpTransformGridToolUndo *tg_tool_undo = GIMP_TRANSFORM_GRID_TOOL_UNDO (object);
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GimpTransformGridTool *tg_tool;
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gint i;
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G_OBJECT_CLASS (parent_class)->constructed (object);
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gimp_assert (GIMP_IS_TRANSFORM_GRID_TOOL (tg_tool_undo->tg_tool));
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tg_tool = tg_tool_undo->tg_tool;
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for (i = 0; i < TRANS_INFO_SIZE; i++)
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tg_tool_undo->trans_info[i] = (*tg_tool->old_trans_info)[i];
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#if 0
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if (tg_tool->original)
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tg_tool_undo->original = tile_manager_ref (tg_tool->original);
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#endif
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g_object_add_weak_pointer (G_OBJECT (tg_tool_undo->tg_tool),
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(gpointer) &tg_tool_undo->tg_tool);
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}
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static void
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gimp_transform_grid_tool_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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GimpTransformGridToolUndo *tg_tool_undo = GIMP_TRANSFORM_GRID_TOOL_UNDO (object);
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switch (property_id)
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{
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case PROP_TRANSFORM_TOOL:
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tg_tool_undo->tg_tool = g_value_get_object (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_transform_grid_tool_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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GimpTransformGridToolUndo *tg_tool_undo = GIMP_TRANSFORM_GRID_TOOL_UNDO (object);
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switch (property_id)
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{
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case PROP_TRANSFORM_TOOL:
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g_value_set_object (value, tg_tool_undo->tg_tool);
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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_transform_grid_tool_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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GimpTransformGridToolUndo *tg_tool_undo = GIMP_TRANSFORM_GRID_TOOL_UNDO (undo);
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GIMP_UNDO_CLASS (parent_class)->pop (undo, undo_mode, accum);
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if (tg_tool_undo->tg_tool)
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{
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GimpTransformGridTool *tg_tool;
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#if 0
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TileManager *temp;
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#endif
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gdouble d;
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gint i;
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tg_tool = tg_tool_undo->tg_tool;
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/* swap the transformation information arrays */
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for (i = 0; i < TRANS_INFO_SIZE; i++)
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{
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d = tg_tool_undo->trans_info[i];
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tg_tool_undo->trans_info[i] = tg_tool->trans_info[i];
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tg_tool->trans_info[i] = d;
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}
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#if 0
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/* swap the original buffer--the source buffer for repeated transform_grids
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*/
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temp = tg_tool_undo->original;
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tg_tool_undo->original = tg_tool->original;
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tg_tool->original = temp;
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#endif
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#if 0
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/* If we're re-implementing the first transform_grid, reactivate tool */
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if (undo_mode == GIMP_UNDO_MODE_REDO && tg_tool->original)
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{
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gimp_tool_control_activate (GIMP_TOOL (tg_tool)->control);
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gimp_draw_tool_resume (GIMP_DRAW_TOOL (tg_tool));
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}
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#endif
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}
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}
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static void
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gimp_transform_grid_tool_undo_free (GimpUndo *undo,
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GimpUndoMode undo_mode)
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{
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GimpTransformGridToolUndo *tg_tool_undo = GIMP_TRANSFORM_GRID_TOOL_UNDO (undo);
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if (tg_tool_undo->tg_tool)
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{
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g_object_remove_weak_pointer (G_OBJECT (tg_tool_undo->tg_tool),
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(gpointer) &tg_tool_undo->tg_tool);
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tg_tool_undo->tg_tool = NULL;
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}
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#if 0
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if (tg_tool_undo->original)
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{
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tile_manager_unref (tg_tool_undo->original);
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tg_tool_undo->original = NULL;
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}
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#endif
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GIMP_UNDO_CLASS (parent_class)->free (undo, undo_mode);
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}
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