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/*
* $Id$
*
* ***** 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 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
/** \file BKE_brush.h
* \ingroup bke
*/
struct ID;
struct Brush;
struct ImBuf;
struct Scene;
struct wmOperator;
// enum CurveMappingPreset;
/* 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);
void brush_reset_sculpt(struct Brush *brush);
/* image icon function */
struct ImBuf *get_brush_icon(struct Brush *brush);
/* brush library operations used by different paint panels */
int brush_delete(struct Brush **current_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);
/* jitter */
void brush_jitter_pos(struct Brush *brush, float *pos, float *jitterpos);
/* brush curve */
void brush_curve_preset(struct Brush *b, /*enum CurveMappingPreset*/int preset);
float brush_curve_strength_clamp(struct Brush *br, float p, const float len);
float brush_curve_strength(struct Brush *br, float p, const float len); /* used for sculpt */
/* sampling */
void brush_sample_tex(struct Brush *brush, float *xy, float *rgba, const int thread);
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);
/* unified strength and size */
int brush_size(struct Brush *brush);
void brush_set_size(struct Brush *brush, int value);
int brush_use_locked_size(struct Brush *brush);
void brush_set_use_locked_size(struct Brush *brush, int value);
int brush_use_alpha_pressure(struct Brush *brush);
void brush_set_use_alpha_pressure(struct Brush *brush, int value);
int brush_use_size_pressure(struct Brush *brush);
void brush_set_use_size_pressure(struct Brush *brush, int value);
float brush_unprojected_radius(struct Brush *brush);
void brush_set_unprojected_radius(struct Brush *brush, float value);
float brush_alpha(struct Brush *brush);
void brush_set_alpha(struct Brush *brush, float value);
/* debugging only */
void brush_debug_print_state(struct Brush *br);
#endif
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