mirror of https://github.com/GNOME/gimp.git
151 lines
5.2 KiB
C
151 lines
5.2 KiB
C
/* The GIMP -- an 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 2 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, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef __CHANNEL_H__
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#define __CHANNEL_H__
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#include "apptypes.h"
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#include "drawable.h"
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#include "boundary.h"
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#include "temp_buf.h"
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#include "tile_manager.h"
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#include "gimpimageF.h"
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/* OPERATIONS */
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typedef enum
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{
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ADD,
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SUB,
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REPLACE,
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INTERSECT
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} ChannelOps;
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/* Half way point where a region is no longer visible in a selection */
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#define HALF_WAY 127
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/* structure declarations */
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#define GIMP_TYPE_CHANNEL (gimp_channel_get_type ())
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#define GIMP_CHANNEL(obj) (GTK_CHECK_CAST ((obj), GIMP_TYPE_CHANNEL, GimpChannel))
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#define GIMP_CHANNEL_CLASS(klass) (GTK_CHECK_CLASS_CAST ((klass), GIMP_TYPE_CHANNEL, GimpChannelClass))
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#define GIMP_IS_CHANNEL(obj) (GTK_CHECK_TYPE ((obj), GIMP_TYPE_CHANNEL))
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#define GIMP_IS_CHANNEL_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_CHANNEL))
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GtkType gimp_channel_get_type (void);
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/* Special undo type */
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typedef struct _ChannelUndo ChannelUndo;
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struct _ChannelUndo
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{
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Channel *channel; /* the actual channel */
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gint prev_position; /* former position in list */
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Channel *prev_channel; /* previous active channel */
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};
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/* Special undo type */
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typedef struct _MaskUndo MaskUndo;
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struct _MaskUndo
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{
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TileManager *tiles; /* the actual mask */
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gint x, y; /* offsets */
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};
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/* function declarations */
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Channel * channel_new (GimpImage*,
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gint, gint, gchar *, gint, guchar *);
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Channel * channel_copy (Channel *);
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Channel * channel_ref (Channel *);
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void channel_unref (Channel *);
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gchar * channel_get_name (Channel *);
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void channel_set_name (Channel *, gchar *);
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gint channel_get_opacity (Channel *);
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void channel_set_opacity (Channel *, gint);
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guchar * channel_get_color (Channel *);
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void channel_set_color (Channel *, guchar *);
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Channel * channel_get_ID (gint);
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void channel_delete (Channel *);
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void channel_removed (Channel *, gpointer);
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void channel_scale (Channel *, gint, gint);
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void channel_resize (Channel *, gint, gint, gint, gint);
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void channel_update (Channel *);
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/* access functions */
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gboolean channel_toggle_visibility (Channel *);
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TempBuf * channel_preview (Channel *, gint, gint);
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void channel_invalidate_previews (GimpImage*);
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Tattoo channel_get_tattoo (const Channel *);
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/* selection mask functions */
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Channel * channel_new_mask (GimpImage *, gint, gint);
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gboolean channel_boundary (Channel *, BoundSeg **, BoundSeg **,
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gint *, gint *, gint, gint, gint, gint);
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gboolean channel_bounds (Channel *,
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gint *, gint *, gint *, gint *);
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gint channel_value (Channel *, gint, gint);
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gboolean channel_is_empty (Channel *);
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void channel_add_segment (Channel *, gint, gint, gint, gint);
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void channel_sub_segment (Channel *, gint, gint, gint, gint);
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void channel_inter_segment (Channel *, gint, gint, gint, gint);
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void channel_combine_rect (Channel *,
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ChannelOps, gint, gint, gint, gint);
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void channel_combine_ellipse (Channel *,
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ChannelOps,
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gint, gint, gint, gint, gboolean);
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void channel_combine_mask (Channel *, Channel *,
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ChannelOps, gint, gint);
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void channel_feather (Channel *, Channel *,
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gdouble, gdouble,
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ChannelOps, gint, gint);
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void channel_push_undo (Channel *);
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void channel_clear (Channel *);
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void channel_invert (Channel *);
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void channel_sharpen (Channel *);
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void channel_all (Channel *);
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void channel_border (Channel * channel,
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gint radius_x,
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gint radius_y);
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void channel_grow (Channel * channel,
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gint radius_x,
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gint radius_y);
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void channel_shrink (Channel * 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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void channel_translate (Channel *, gint, gint);
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void channel_load (Channel *, Channel *);
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void channel_invalidate_bounds (Channel *);
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#define drawable_channel GIMP_IS_CHANNEL
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#endif /* __CHANNEL_H__ */
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