gimp/app/channel.h

150 lines
5.2 KiB
C

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