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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) 2006 Blender Foundation.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL/BL DUAL LICENSE BLOCK *****
*/
#ifndef DNA_COLOR_TYPES_H
#define DNA_COLOR_TYPES_H
#include "DNA_vec_types.h"
/* general defines for kernel functions */
#define CM_RESOL 32
#define CM_TABLE 256
#define CM_TABLEDIV (1.0f/256.0f)
#define CM_TOT 4
typedef struct CurveMapPoint {
float x, y;
short flag, shorty; /* shorty for result lookup */
} CurveMapPoint;
/* curvepoint->flag */
#define CUMA_SELECT 1
#define CUMA_VECTOR 2
typedef struct CurveMap {
short totpoint, flag;
float range; /* quick multiply value for reading table */
float mintable, maxtable; /* the x-axis range for the table */
float ext_in[2], ext_out[2]; /* for extrapolated curves, the direction vector */
CurveMapPoint *curve; /* actual curve */
CurveMapPoint *table; /* display and evaluate table */
CurveMapPoint *premultable; /* for RGB curves, premulled table */
} CurveMap;
/* cuma->flag */
#define CUMA_EXTEND_EXTRAPOLATE 1
typedef struct CurveMapping {
int flag, cur; /* cur; for buttons, to show active curve */
rctf curr, clipr; /* current rect, clip rect (is default rect too) */
CurveMap cm[4]; /* max 4 builtin curves per mapping struct now */
float black[3], white[3]; /* black/white point (black[0] abused for current frame) */
float bwmul[3]; /* black/white point multiply value, for speed */
float sample[3]; /* sample values, if flag set it draws line and intersection */
} CurveMapping;
/* cumapping->flag */
#define CUMA_DO_CLIP 1
#define CUMA_PREMULLED 2
#define CUMA_DRAW_CFRA 4
#define CUMA_DRAW_SAMPLE 8
typedef struct Histogram {
int channels;
int x_resolution;
float data_r[256];
float data_g[256];
float data_b[256];
float xmax, ymax;
int ok;
int flag;
} Histogram;
#endif
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