1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
/* 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 __PAINT_FUNCS_TYPES_H__
#define __PAINT_FUNCS_TYPES_H__
#include "base/base-types.h"
/* Opacities */
#define TRANSPARENT_OPACITY 0
#define OPAQUE_OPACITY 255
/* Lay down the groundwork for layer construction...
* This includes background images for indexed or non-alpha
* images, floating selections, selective display of intensity
* channels, and display of arbitrary mask channels
*/
typedef enum
{
INITIAL_CHANNEL_MASK = 0,
INITIAL_CHANNEL_SELECTION,
INITIAL_INDEXED,
INITIAL_INDEXED_ALPHA,
INITIAL_INTENSITY,
INITIAL_INTENSITY_ALPHA
} InitialMode;
/* Combine two source regions with the help of an optional mask
* region into a destination region. This is used for constructing
* layer projections, and for applying image patches to an image
*/
typedef enum
{
NO_COMBINATION = 0,
COMBINE_INDEXED_INDEXED,
COMBINE_INDEXED_INDEXED_A,
COMBINE_INDEXED_A_INDEXED_A,
COMBINE_INTEN_A_INDEXED_A,
COMBINE_INTEN_A_CHANNEL_MASK,
COMBINE_INTEN_A_CHANNEL_SELECTION,
COMBINE_INTEN_INTEN,
COMBINE_INTEN_INTEN_A,
COMBINE_INTEN_A_INTEN,
COMBINE_INTEN_A_INTEN_A,
/* Non-conventional combination modes */
BEHIND_INTEN,
BEHIND_INDEXED,
REPLACE_INTEN,
REPLACE_INDEXED,
ERASE_INTEN,
ERASE_INDEXED,
ANTI_ERASE_INTEN,
ANTI_ERASE_INDEXED,
COLOR_ERASE_INTEN
} CombinationMode;
#endif /* __PAINT_FUNCS_TYPES_H__ */
|
