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
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
|
/**
* $Id$
*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* 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.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL LICENSE BLOCK *****
* General operations for brushes.
*/
#ifndef BKE_BRUSH_H
#define BKE_BRUSH_H
struct ID;
struct Brush;
struct ImBuf;
struct Scene;
struct wmOperator;
/* datablock functions */
struct Brush *add_brush(const char *name);
struct Brush *copy_brush(struct Brush *brush);
void make_local_brush(struct Brush *brush);
void free_brush(struct Brush *brush);
/* brush library operations used by different paint panels */
int brush_set_nr(struct Brush **current_brush, int nr, const char *name);
int brush_delete(struct Brush **current_brush);
void brush_check_exists(struct Brush **brush, const char *name);
void brush_toggled_fake_user(struct Brush *brush);
int brush_texture_set_nr(struct Brush *brush, int nr);
int brush_texture_delete(struct Brush *brush);
int brush_clone_image_set_nr(struct Brush *brush, int nr);
int brush_clone_image_delete(struct Brush *brush);
/* brush curve */
typedef enum {
BRUSH_PRESET_SHARP,
BRUSH_PRESET_SMOOTH,
BRUSH_PRESET_MAX
} BrushCurvePreset;
void brush_curve_preset(struct Brush *b, BrushCurvePreset preset);
float brush_curve_strength(struct Brush *br, float p, const float len);
/* sampling */
float brush_sample_falloff(struct Brush *brush, float dist);
float brush_sample_falloff_noalpha(struct Brush *brush, float dist);
void brush_sample_tex(struct Brush *brush, float *xy, float *rgba);
void brush_imbuf_new(struct Brush *brush, short flt, short texfalloff, int size,
struct ImBuf **imbuf);
/* painting */
struct BrushPainter;
typedef struct BrushPainter BrushPainter;
typedef int (*BrushFunc)(void *user, struct ImBuf *ibuf, float *lastpos, float *pos);
BrushPainter *brush_painter_new(struct Brush *brush);
void brush_painter_require_imbuf(BrushPainter *painter, short flt,
short texonly, int size);
int brush_painter_paint(BrushPainter *painter, BrushFunc func, float *pos,
double time, float pressure, void *user);
void brush_painter_break_stroke(BrushPainter *painter);
void brush_painter_free(BrushPainter *painter);
/* texture */
unsigned int *brush_gen_texture_cache(struct Brush *br, int half_side);
/* radial control */
void brush_radial_control_invoke(struct wmOperator *op, struct Brush *br, float size_weight);
int brush_radial_control_exec(struct wmOperator *op, struct Brush *br, float size_weight);
#endif
|
