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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.
*
* 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 *****
*/
/** \file DNA_color_types.h
* \ingroup DNA
*/
#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 */
enum {
CUMA_SELECT = 1,
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 */
int preset;
int changed_timestamp;
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
/* cumapping->preset */
typedef enum CurveMappingPreset {
CURVE_PRESET_LINE = 0,
CURVE_PRESET_SHARP = 1,
CURVE_PRESET_SMOOTH = 2,
CURVE_PRESET_MAX = 3,
CURVE_PRESET_MID9 = 4,
CURVE_PRESET_ROUND = 5,
CURVE_PRESET_ROOT = 6,
} CurveMappingPreset;
/* histogram->mode */
enum {
HISTO_MODE_LUMA = 0,
HISTO_MODE_RGB = 1,
HISTO_MODE_R = 2,
HISTO_MODE_G = 3,
HISTO_MODE_B = 4,
HISTO_MODE_ALPHA = 5
};
enum {
HISTO_FLAG_LINE = (1 << 0),
HISTO_FLAG_SAMPLELINE = (1 << 1)
};
typedef struct Histogram {
int channels;
int x_resolution;
float data_luma[256];
float data_r[256];
float data_g[256];
float data_b[256];
float data_a[256];
float xmax, ymax;
short mode;
short flag;
int height;
/* sample line only */
/* image coords src -> dst */
float co[2][2];
} Histogram;
struct ImBuf;
typedef struct Scopes {
int ok;
int sample_full;
int sample_lines;
float accuracy;
int wavefrm_mode;
float wavefrm_alpha;
float wavefrm_yfac;
int wavefrm_height;
float vecscope_alpha;
int vecscope_height;
float minmax[3][2];
struct Histogram hist;
float *waveform_1;
float *waveform_2;
float *waveform_3;
float *vecscope;
int waveform_tot;
int pad;
} Scopes;
/* scopes->wavefrm_mode */
#define SCOPES_WAVEFRM_LUMA 0
#define SCOPES_WAVEFRM_RGB 1
#define SCOPES_WAVEFRM_YCC_601 2
#define SCOPES_WAVEFRM_YCC_709 3
#define SCOPES_WAVEFRM_YCC_JPEG 4
#endif
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