mirror of https://github.com/GNOME/gimp.git
217 lines
11 KiB
C
217 lines
11 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 <https://www.gnu.org/licenses/>.
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*/
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#ifndef __GIMP_CHANNEL_H__
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#define __GIMP_CHANNEL_H__
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#include "gimpdrawable.h"
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#define GIMP_TYPE_CHANNEL (gimp_channel_get_type ())
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#define GIMP_CHANNEL(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_CHANNEL, GimpChannel))
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#define GIMP_CHANNEL_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_CHANNEL, GimpChannelClass))
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#define GIMP_IS_CHANNEL(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_CHANNEL))
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#define GIMP_IS_CHANNEL_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_CHANNEL))
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#define GIMP_CHANNEL_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_CHANNEL, GimpChannelClass))
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typedef struct _GimpChannelClass GimpChannelClass;
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struct _GimpChannel
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{
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GimpDrawable parent_instance;
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GimpRGB color; /* Also stores the opacity */
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gboolean show_masked; /* Show masked areas--as */
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/* opposed to selected areas */
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GeglNode *color_node;
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GeglNode *invert_node;
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GeglNode *mask_node;
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/* Selection mask variables */
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gboolean boundary_known; /* is the current boundary valid */
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GimpBoundSeg *segs_in; /* outline of selected region */
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GimpBoundSeg *segs_out; /* outline of selected region */
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gint num_segs_in; /* number of lines in boundary */
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gint num_segs_out; /* number of lines in boundary */
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gboolean empty; /* is the region empty? */
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gboolean bounds_known; /* recalculate the bounds? */
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gint x1, y1; /* coordinates for bounding box */
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gint x2, y2; /* lower right hand coordinate */
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};
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struct _GimpChannelClass
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{
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GimpDrawableClass parent_class;
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/* signals */
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void (* color_changed) (GimpChannel *channel);
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/* virtual functions */
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gboolean (* boundary) (GimpChannel *channel,
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const GimpBoundSeg **segs_in,
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const GimpBoundSeg **segs_out,
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gint *num_segs_in,
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gint *num_segs_out,
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gint x1,
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gint y1,
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gint x2,
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gint y2);
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gboolean (* is_empty) (GimpChannel *channel);
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void (* feather) (GimpChannel *channel,
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gdouble radius_x,
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gdouble radius_y,
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gboolean edge_lock,
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gboolean push_undo);
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void (* sharpen) (GimpChannel *channel,
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gboolean push_undo);
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void (* clear) (GimpChannel *channel,
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const gchar *undo_desc,
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gboolean push_undo);
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void (* all) (GimpChannel *channel,
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gboolean push_undo);
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void (* invert) (GimpChannel *channel,
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gboolean push_undo);
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void (* border) (GimpChannel *channel,
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gint radius_x,
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gint radius_y,
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GimpChannelBorderStyle style,
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gboolean edge_lock,
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gboolean push_undo);
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void (* grow) (GimpChannel *channel,
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gint radius_x,
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gint radius_y,
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gboolean push_undo);
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void (* shrink) (GimpChannel *channel,
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gint radius_x,
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gint radius_y,
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gboolean edge_lock,
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gboolean push_undo);
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void (* flood) (GimpChannel *channel,
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gboolean push_undo);
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const gchar *feather_desc;
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const gchar *sharpen_desc;
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const gchar *clear_desc;
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const gchar *all_desc;
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const gchar *invert_desc;
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const gchar *border_desc;
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const gchar *grow_desc;
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const gchar *shrink_desc;
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const gchar *flood_desc;
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};
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/* function declarations */
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GType gimp_channel_get_type (void) G_GNUC_CONST;
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GimpChannel * gimp_channel_new (GimpImage *image,
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gint width,
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gint height,
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const gchar *name,
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const GimpRGB *color);
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GimpChannel * gimp_channel_new_from_buffer (GimpImage *image,
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GeglBuffer *buffer,
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const gchar *name,
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const GimpRGB *color);
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GimpChannel * gimp_channel_new_from_alpha (GimpImage *image,
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GimpDrawable *drawable,
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const gchar *name,
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const GimpRGB *color);
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GimpChannel * gimp_channel_new_from_component (GimpImage *image,
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GimpChannelType type,
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const gchar *name,
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const GimpRGB *color);
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GimpChannel * gimp_channel_get_parent (GimpChannel *channel);
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gdouble gimp_channel_get_opacity (GimpChannel *channel);
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void gimp_channel_set_opacity (GimpChannel *channel,
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gdouble opacity,
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gboolean push_undo);
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void gimp_channel_get_color (GimpChannel *channel,
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GimpRGB *color);
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void gimp_channel_set_color (GimpChannel *channel,
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const GimpRGB *color,
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gboolean push_undo);
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gboolean gimp_channel_get_show_masked (GimpChannel *channel);
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void gimp_channel_set_show_masked (GimpChannel *channel,
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gboolean show_masked);
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void gimp_channel_push_undo (GimpChannel *mask,
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const gchar *undo_desc);
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/* selection mask functions */
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GimpChannel * gimp_channel_new_mask (GimpImage *image,
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gint width,
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gint height);
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gboolean gimp_channel_boundary (GimpChannel *mask,
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const GimpBoundSeg **segs_in,
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const GimpBoundSeg **segs_out,
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gint *num_segs_in,
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gint *num_segs_out,
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gint x1,
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gint y1,
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gint x2,
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gint y2);
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gboolean gimp_channel_is_empty (GimpChannel *mask);
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void gimp_channel_feather (GimpChannel *mask,
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gdouble radius_x,
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gdouble radius_y,
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gboolean edge_lock,
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gboolean push_undo);
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void gimp_channel_sharpen (GimpChannel *mask,
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gboolean push_undo);
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void gimp_channel_clear (GimpChannel *mask,
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const gchar *undo_desc,
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gboolean push_undo);
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void gimp_channel_all (GimpChannel *mask,
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gboolean push_undo);
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void gimp_channel_invert (GimpChannel *mask,
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gboolean push_undo);
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void gimp_channel_border (GimpChannel *mask,
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gint radius_x,
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gint radius_y,
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GimpChannelBorderStyle style,
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gboolean edge_lock,
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gboolean push_undo);
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void gimp_channel_grow (GimpChannel *mask,
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gint radius_x,
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gint radius_y,
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gboolean push_undo);
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void gimp_channel_shrink (GimpChannel *mask,
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gint radius_x,
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gint radius_y,
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gboolean edge_lock,
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gboolean push_undo);
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void gimp_channel_flood (GimpChannel *mask,
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gboolean push_undo);
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#endif /* __GIMP_CHANNEL_H__ */
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