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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2006 Blender Foundation. All rights reserved. */
/** \file
* \ingroup DNA
*/
#pragma once
#include "DNA_defs.h"
#include "DNA_vec_types.h"
#ifdef __cplusplus
extern "C" {
#endif
/* general defines for kernel functions */
#define CM_RESOL 32
#define CM_TABLE 256
#define CM_TABLEDIV (1.0f / 256.0f)
#define CM_TOT 4
#define GPU_SKY_WIDTH 512
#define GPU_SKY_HEIGHT 128
typedef struct CurveMapPoint {
float x, y;
/** Shorty for result lookup. */
short flag, shorty;
} CurveMapPoint;
/** #CurveMapPoint.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, pre-multiplied table. */
CurveMapPoint *premultable;
/** For RGB curves, pre-multiplied 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;
/** #CurveMapping.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: source -> destination). */
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 */
enum {
SCOPES_WAVEFRM_LUMA = 0,
SCOPES_WAVEFRM_RGB_PARADE = 1,
SCOPES_WAVEFRM_YCC_601 = 2,
SCOPES_WAVEFRM_YCC_709 = 3,
SCOPES_WAVEFRM_YCC_JPEG = 4,
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];
/** F-stop 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),
};
#ifdef __cplusplus
}
#endif
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