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/*
* ***** 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.
*
* ***** END GPL LICENSE BLOCK *****
*/
#ifndef __BKE_BRUSH_H__
#define __BKE_BRUSH_H__
/** \file BKE_brush.h
* \ingroup bke
*
* General operations for brushes.
*/
enum eCurveMappingPreset;
struct Brush;
struct ImBuf;
struct ImagePool;
struct Main;
struct Scene;
struct UnifiedPaintSettings;
// enum eCurveMappingPreset;
#include "DNA_object_enums.h"
/* globals for brush execution */
void BKE_brush_system_init(void);
void BKE_brush_system_exit(void);
/* datablock functions */
void BKE_brush_init(struct Brush *brush);
struct Brush *BKE_brush_add(struct Main *bmain, const char *name, const eObjectMode ob_mode);
struct Brush *BKE_brush_first_search(struct Main *bmain, const eObjectMode ob_mode);
void BKE_brush_copy_data(struct Main *bmain, struct Brush *brush_dst, const struct Brush *brush_src, const int flag);
struct Brush *BKE_brush_copy(struct Main *bmain, const struct Brush *brush);
void BKE_brush_make_local(struct Main *bmain, struct Brush *brush, const bool lib_local);
void BKE_brush_unlink(struct Main *bmain, struct Brush *brush);
void BKE_brush_free(struct Brush *brush);
void BKE_brush_sculpt_reset(struct Brush *brush);
/* image icon function */
struct ImBuf *get_brush_icon(struct Brush *brush);
/* jitter */
void BKE_brush_jitter_pos(
const struct Scene *scene, struct Brush *brush,
const float pos[2], float jitterpos[2]);
void BKE_brush_randomize_texture_coords(struct UnifiedPaintSettings *ups, bool mask);
/* brush curve */
void BKE_brush_curve_preset(struct Brush *b, enum eCurveMappingPreset preset);
float BKE_brush_curve_strength_clamped(struct Brush *br, float p, const float len);
float BKE_brush_curve_strength(const struct Brush *br, float p, const float len);
/* sampling */
float BKE_brush_sample_tex_3d(
const struct Scene *scene, const struct Brush *br, const float point[3],
float rgba[4], const int thread, struct ImagePool *pool);
float BKE_brush_sample_masktex(
const struct Scene *scene, struct Brush *br, const float point[2],
const int thread, struct ImagePool *pool);
/* texture */
unsigned int *BKE_brush_gen_texture_cache(struct Brush *br, int half_side, bool use_secondary);
/* radial control */
struct ImBuf *BKE_brush_gen_radial_control_imbuf(struct Brush *br, bool secondary);
/* unified strength size and color */
const float *BKE_brush_color_get(const struct Scene *scene, const struct Brush *brush);
const float *BKE_brush_secondary_color_get(const struct Scene *scene, const struct Brush *brush);
void BKE_brush_color_set(struct Scene *scene, struct Brush *brush, const float color[3]);
int BKE_brush_size_get(const struct Scene *scene, const struct Brush *brush);
void BKE_brush_size_set(struct Scene *scene, struct Brush *brush, int value);
float BKE_brush_unprojected_radius_get(const struct Scene *scene, const struct Brush *brush);
void BKE_brush_unprojected_radius_set(struct Scene *scene, struct Brush *brush, float value);
float BKE_brush_alpha_get(const struct Scene *scene, const struct Brush *brush);
void BKE_brush_alpha_set(struct Scene *scene, struct Brush *brush, float alpha);
float BKE_brush_weight_get(const struct Scene *scene, const struct Brush *brush);
void BKE_brush_weight_set(const struct Scene *scene, struct Brush *brush, float value);
bool BKE_brush_use_locked_size(const struct Scene *scene, const struct Brush *brush);
bool BKE_brush_use_alpha_pressure(const struct Scene *scene, const struct Brush *brush);
bool BKE_brush_use_size_pressure(const struct Scene *scene, const struct Brush *brush);
bool BKE_brush_sculpt_has_secondary_color(const struct Brush *brush);
/* scale unprojected radius to reflect a change in the brush's 2D size */
void BKE_brush_scale_unprojected_radius(
float *unprojected_radius,
int new_brush_size,
int old_brush_size);
/* scale brush size to reflect a change in the brush's unprojected radius */
void BKE_brush_scale_size(
int *r_brush_size,
float new_unprojected_radius,
float old_unprojected_radius);
/* debugging only */
void BKE_brush_debug_print_state(struct Brush *br);
#endif
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