mirror of https://github.com/GNOME/gimp.git
125 lines
4.4 KiB
C
125 lines
4.4 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., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
*/
|
|
#ifndef __CHANNEL_H__
|
|
#define __CHANNEL_H__
|
|
|
|
#include "drawable.h"
|
|
|
|
#include "boundary.h"
|
|
#include "temp_buf.h"
|
|
#include "tile_manager.h"
|
|
|
|
/* OPERATIONS */
|
|
|
|
#define ADD 0
|
|
#define SUB 1
|
|
#define REPLACE 2
|
|
#define INTERSECT 3
|
|
|
|
/* Half way point where a region is no longer visible in a selection */
|
|
#define HALF_WAY 127
|
|
|
|
/* structure declarations */
|
|
|
|
#define GIMP_CHANNEL(obj) GTK_CHECK_CAST (obj, gimp_channel_get_type (), GimpChannel)
|
|
#define GIMP_CHANNEL_CLASS(klass) GTK_CHECK_CLASS_CAST (klass, gimp_channel_get_type(), GimpChannelClass)
|
|
#define GIMP_IS_CHANNEL(obj) GTK_CHECK_TYPE (obj, gimp_channel_get_type())
|
|
|
|
typedef struct _GimpChannel GimpChannel;
|
|
typedef struct _GimpChannelClass GimpChannelClass;
|
|
|
|
typedef GimpChannel Channel; /* convenience */
|
|
|
|
guint gimp_channel_get_type (void);
|
|
|
|
/* Special undo type */
|
|
typedef struct _channel_undo ChannelUndo;
|
|
|
|
struct _channel_undo
|
|
{
|
|
Channel * channel; /* the actual channel */
|
|
int prev_position; /* former position in list */
|
|
Channel * prev_channel; /* previous active channel */
|
|
int undo_type; /* is this a new channel undo */
|
|
/* or a remove channel undo? */
|
|
};
|
|
|
|
/* Special undo type */
|
|
typedef struct _mask_undo MaskUndo;
|
|
|
|
struct _mask_undo
|
|
{
|
|
TileManager * tiles; /* the actual mask */
|
|
int x, y; /* offsets */
|
|
};
|
|
|
|
|
|
/* function declarations */
|
|
|
|
Channel * channel_new (int, int, int, char *, int, unsigned char *);
|
|
Channel * channel_copy (Channel *);
|
|
Channel * channel_ref (Channel *);
|
|
void channel_unref (Channel *);
|
|
|
|
Channel * channel_get_ID (int);
|
|
void channel_delete (Channel *);
|
|
void channel_scale (Channel *, int, int);
|
|
void channel_resize (Channel *, int, int, int, int);
|
|
|
|
/* access functions */
|
|
|
|
unsigned char * channel_data (Channel *);
|
|
int channel_toggle_visibility (Channel *);
|
|
TempBuf * channel_preview (Channel *, int, int);
|
|
|
|
void channel_invalidate_previews (int);
|
|
|
|
/* selection mask functions */
|
|
|
|
Channel * channel_new_mask (int, int, int);
|
|
int channel_boundary (Channel *, BoundSeg **, BoundSeg **,
|
|
int *, int *, int, int, int, int);
|
|
int channel_bounds (Channel *, int *, int *, int *, int *);
|
|
int channel_value (Channel *, int, int);
|
|
int channel_is_empty (Channel *);
|
|
void channel_add_segment (Channel *, int, int, int, int);
|
|
void channel_sub_segment (Channel *, int, int, int, int);
|
|
void channel_inter_segment (Channel *, int, int, int, int);
|
|
void channel_combine_rect (Channel *, int, int, int, int, int);
|
|
void channel_combine_ellipse (Channel *, int, int, int, int, int, int);
|
|
void channel_combine_mask (Channel *, Channel *, int, int, int);
|
|
void channel_feather (Channel *, Channel *, double, int, int, int);
|
|
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 *, int);
|
|
void channel_grow (Channel *, int);
|
|
void channel_shrink (Channel *, int);
|
|
void channel_translate (Channel *, int, int);
|
|
void channel_load (Channel *, Channel *);
|
|
void channel_invalidate_bounds (Channel *);
|
|
|
|
extern int channel_get_count;
|
|
|
|
/* from drawable.c */
|
|
Channel * drawable_channel (GimpDrawable *);
|
|
|
|
#endif /* __CHANNEL_H__ */
|