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/*
* 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.
*/
/** \file
* \ingroup DNA
*/
#pragma once
#include "DNA_defs.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;
/** Shorty for result lookup. */
short flag, shorty;
} CurveMapPoint;
/* curvepoint->flag */
enum {
CUMA_SELECT = (1 << 0),
CUMA_HANDLE_VECTOR = (1 << 1),
CUMA_HANDLE_AUTO_ANIM = (1 << 2),
};
typedef struct CurveMap {
short totpoint;
short flag DNA_DEPRECATED;
/** Quick multiply value for reading table. */
float range;
/** The x-axis range for the table. */
float mintable, maxtable;
/** For extrapolated curves, the direction vector. */
float ext_in[2], ext_out[2];
/** Actual curve. */
CurveMapPoint *curve;
/** Display and evaluate table. */
CurveMapPoint *table;
/** For RGB curves, premulled table. */
CurveMapPoint *premultable;
/** For RGB curves, premulled extrapolation vector. */
float premul_ext_in[2];
float premul_ext_out[2];
} CurveMap;
typedef struct CurveMapping {
/** Cur; for buttons, to show active curve. */
int flag, cur;
int preset;
int changed_timestamp;
/** Current rect, clip rect (is default rect too). */
rctf curr, clipr;
/** Max 4 builtin curves per mapping struct now. */
CurveMap cm[4];
/** Black/white point (black[0] abused for current frame). */
float black[3], white[3];
/** Black/white point multiply value, for speed. */
float bwmul[3];
/** Sample values, if flag set it draws line and intersection. */
float sample[3];
short tone;
char _pad[6];
} CurveMapping;
/* CurveMapping.flag */
typedef enum eCurveMappingFlags {
CUMA_DO_CLIP = (1 << 0),
CUMA_PREMULLED = (1 << 1),
CUMA_DRAW_CFRA = (1 << 2),
CUMA_DRAW_SAMPLE = (1 << 3),
/* The curve is extended by extrapolation. When not set the curve is extended
* Horizontally */
CUMA_EXTEND_EXTRAPOLATE = (1 << 4),
} eCurveMappingFlags;
/* cumapping->preset */
typedef enum eCurveMappingPreset {
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,
CURVE_PRESET_GAUSS = 7,
CURVE_PRESET_BELL = 8,
} eCurveMappingPreset;
/* CurveMapping->tone */
typedef enum eCurveMappingTone {
CURVE_TONE_STANDARD = 0,
CURVE_TONE_FILMLIKE = 2,
} eCurveMappingTone;
/* 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;
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;
char _pad[4];
} Scopes;
/* scopes->wavefrm_mode */
#define SCOPES_WAVEFRM_LUMA 0
#define SCOPES_WAVEFRM_RGB_PARADE 1
#define SCOPES_WAVEFRM_YCC_601 2
#define SCOPES_WAVEFRM_YCC_709 3
#define SCOPES_WAVEFRM_YCC_JPEG 4
#define SCOPES_WAVEFRM_RGB 5
typedef struct ColorManagedViewSettings {
int flag;
char _pad[4];
/** Look which is being applied when displaying buffer on the screen
* (prior to view transform). */
char look[64];
/** View transform which is being applied when displaying buffer on the screen. */
char view_transform[64];
/** Fstop exposure. */
float exposure;
/** Post-display gamma transform. */
float gamma;
/** Pre-display RGB curves transform. */
struct CurveMapping *curve_mapping;
void *_pad2;
} ColorManagedViewSettings;
typedef struct ColorManagedDisplaySettings {
char display_device[64];
} ColorManagedDisplaySettings;
typedef struct ColorManagedColorspaceSettings {
/** MAX_COLORSPACE_NAME. */
char name[64];
} ColorManagedColorspaceSettings;
/* ColorManagedViewSettings->flag */
enum {
COLORMANAGE_VIEW_USE_CURVES = (1 << 0),
};
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