chromatic_adaptation.h File Reference

#include "common/math.h"
#include "common/colorspaces_inline_conversions.h"

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Typedefs
typedef enum dt_adaptation_t	dt_adaptation_t

Enumerations
enum	dt_adaptation_t {   DT_ADAPTATION_LINEAR_BRADFORD = 0 ,   DT_ADAPTATION_CAT16 = 1 ,   DT_ADAPTATION_FULL_BRADFORD = 2 ,   DT_ADAPTATION_XYZ = 3 ,   DT_ADAPTATION_RGB = 4 ,   DT_ADAPTATION_LAST }

Functions
static void	convert_XYZ_to_bradford_LMS (const dt_aligned_pixel_t XYZ, dt_aligned_pixel_t LMS)
static void	convert_bradford_LMS_to_XYZ (const dt_aligned_pixel_t LMS, dt_aligned_pixel_t XYZ)
static void	convert_XYZ_to_CAT16_LMS (const dt_aligned_pixel_t XYZ, dt_aligned_pixel_t LMS)
static void	convert_CAT16_LMS_to_XYZ (const dt_aligned_pixel_t LMS, dt_aligned_pixel_t XYZ)
static void	convert_any_LMS_to_XYZ (const dt_aligned_pixel_t LMS, dt_aligned_pixel_t XYZ, const dt_adaptation_t kind)
static void	convert_any_XYZ_to_LMS (const dt_aligned_pixel_t XYZ, dt_aligned_pixel_t LMS, dt_adaptation_t kind)
static void	convert_any_LMS_to_RGB (const dt_aligned_pixel_t LMS, dt_aligned_pixel_t RGB, dt_adaptation_t kind)
static void	bradford_adapt_D65 (const dt_aligned_pixel_t lms_in, const dt_aligned_pixel_t origin_illuminant, const float p, const int full, dt_aligned_pixel_t lms_out)
static void	bradford_adapt_D50 (const dt_aligned_pixel_t lms_in, const dt_aligned_pixel_t origin_illuminant, const float p, const int full, dt_aligned_pixel_t lms_out)
static void	CAT16_adapt_D65 (const dt_aligned_pixel_t lms_in, const dt_aligned_pixel_t origin_illuminant, const float D, const int full, dt_aligned_pixel_t lms_out)
static void	CAT16_adapt_D50 (const dt_aligned_pixel_t lms_in, const dt_aligned_pixel_t origin_illuminant, const float D, const int full, dt_aligned_pixel_t lms_out)
static void	XYZ_adapt_D65 (const dt_aligned_pixel_t lms_in, const dt_aligned_pixel_t origin_illuminant, dt_aligned_pixel_t lms_out)
static void	XYZ_adapt_D50 (const dt_aligned_pixel_t lms_in, const dt_aligned_pixel_t origin_illuminant, dt_aligned_pixel_t lms_out)
static void	XYZ_D50_to_D65 (const dt_aligned_pixel_t XYZ_in, dt_aligned_pixel_t XYZ_out)
static void	XYZ_D65_to_D50 (const dt_aligned_pixel_t XYZ_in, dt_aligned_pixel_t XYZ_out)
static void	chroma_adapt_pixel (const dt_aligned_pixel_t in, dt_aligned_pixel_t out, const dt_aligned_pixel_t illuminant, const dt_adaptation_t adaptation, const float p)
static void	convert_D50_to_LMS (const dt_adaptation_t adaptation, dt_aligned_pixel_t D50)

Variables
const dt_colormatrix_t	XYZ_to_Bradford_LMS
const dt_colormatrix_t	Bradford_LMS_to_XYZ
const dt_colormatrix_t	XYZ_to_CAT16_LMS
const dt_colormatrix_t	CAT16_LMS_to_XYZ
const dt_colormatrix_t	XYZ_D50_to_D65_CAT16
const dt_colormatrix_t	XYZ_D50_to_D65_Bradford
const dt_colormatrix_t	XYZ_D65_to_D50_CAT16
const dt_colormatrix_t	XYZ_D65_to_D50_Bradford

Typedef Documentation

dt_adaptation_t

typedef enum dt_adaptation_t dt_adaptation_t

Enumeration Type Documentation

dt_adaptation_t

enum dt_adaptation_t

Enumerator
DT_ADAPTATION_LINEAR_BRADFORD
DT_ADAPTATION_CAT16
DT_ADAPTATION_FULL_BRADFORD
DT_ADAPTATION_XYZ
DT_ADAPTATION_RGB
DT_ADAPTATION_LAST

Function Documentation

bradford_adapt_D50()

static void bradford_adapt_D50 ( const dt_aligned_pixel_t  lms_in, const dt_aligned_pixel_t  origin_illuminant, const float  p, const int  full, dt_aligned_pixel_t  lms_out  )

inlinestatic

Referenced by chroma_adapt_pixel().

bradford_adapt_D65()

static void bradford_adapt_D65 ( const dt_aligned_pixel_t  lms_in, const dt_aligned_pixel_t  origin_illuminant, const float  p, const int  full, dt_aligned_pixel_t  lms_out  )

inlinestatic

CAT16_adapt_D50()

static void CAT16_adapt_D50 ( const dt_aligned_pixel_t  lms_in, const dt_aligned_pixel_t  origin_illuminant, const float  D, const int  full, dt_aligned_pixel_t  lms_out  )

inlinestatic

Referenced by chroma_adapt_pixel().

CAT16_adapt_D65()

static void CAT16_adapt_D65 ( const dt_aligned_pixel_t  lms_in, const dt_aligned_pixel_t  origin_illuminant, const float  D, const int  full, dt_aligned_pixel_t  lms_out  )

inlinestatic

chroma_adapt_pixel()

static void chroma_adapt_pixel ( const dt_aligned_pixel_t  in, dt_aligned_pixel_t  out, const dt_aligned_pixel_t  illuminant, const dt_adaptation_t  adaptation, const float  p  )

inlinestatic

References bradford_adapt_D50(), CAT16_adapt_D50(), convert_bradford_LMS_to_XYZ(), convert_CAT16_LMS_to_XYZ(), convert_XYZ_to_bradford_LMS(), convert_XYZ_to_CAT16_LMS(), downscale_vector(), DT_ADAPTATION_CAT16, DT_ADAPTATION_FULL_BRADFORD, DT_ADAPTATION_LAST, DT_ADAPTATION_LINEAR_BRADFORD, DT_ADAPTATION_RGB, DT_ADAPTATION_XYZ, DT_PIXEL_SIMD_CHANNELS, FALSE, TRUE, upscale_vector(), and XYZ_adapt_D50().

Referenced by _auto_set_illuminant().

convert_any_LMS_to_RGB()

static void convert_any_LMS_to_RGB ( const dt_aligned_pixel_t  LMS, dt_aligned_pixel_t  RGB, dt_adaptation_t  kind  )

inlinestatic

References convert_any_LMS_to_XYZ(), and dt_XYZ_to_Rec709_D65().

Referenced by _convert_GUI_colors().

convert_any_LMS_to_XYZ()

static void convert_any_LMS_to_XYZ ( const dt_aligned_pixel_t  LMS, dt_aligned_pixel_t  XYZ, const dt_adaptation_t  kind  )

inlinestatic

References convert_bradford_LMS_to_XYZ(), convert_CAT16_LMS_to_XYZ(), DT_ADAPTATION_CAT16, DT_ADAPTATION_FULL_BRADFORD, DT_ADAPTATION_LAST, DT_ADAPTATION_LINEAR_BRADFORD, DT_ADAPTATION_RGB, and DT_ADAPTATION_XYZ.

Referenced by _auto_set_illuminant(), convert_any_LMS_to_RGB(), extract_color_checker(), and loop_switch().

convert_any_XYZ_to_LMS()

static void convert_any_XYZ_to_LMS ( const dt_aligned_pixel_t  XYZ, dt_aligned_pixel_t  LMS, dt_adaptation_t  kind  )

inlinestatic

References convert_XYZ_to_bradford_LMS(), convert_XYZ_to_CAT16_LMS(), DT_ADAPTATION_CAT16, DT_ADAPTATION_FULL_BRADFORD, DT_ADAPTATION_LAST, DT_ADAPTATION_LINEAR_BRADFORD, DT_ADAPTATION_RGB, and DT_ADAPTATION_XYZ.

Referenced by _auto_set_illuminant(), commit_params(), extract_color_checker(), loop_switch(), and process().

convert_bradford_LMS_to_XYZ()

static void convert_bradford_LMS_to_XYZ ( const dt_aligned_pixel_t  LMS, dt_aligned_pixel_t  XYZ  )

inlinestatic

References Bradford_LMS_to_XYZ, and dot_product().

Referenced by chroma_adapt_pixel(), and convert_any_LMS_to_XYZ().

convert_CAT16_LMS_to_XYZ()

static void convert_CAT16_LMS_to_XYZ ( const dt_aligned_pixel_t  LMS, dt_aligned_pixel_t  XYZ  )

inlinestatic

References CAT16_LMS_to_XYZ, and dot_product().

Referenced by chroma_adapt_pixel(), and convert_any_LMS_to_XYZ().

convert_D50_to_LMS()

static void convert_D50_to_LMS ( const dt_adaptation_t  adaptation, dt_aligned_pixel_t  D50  )

inlinestatic

References DT_ADAPTATION_CAT16, DT_ADAPTATION_FULL_BRADFORD, DT_ADAPTATION_LAST, DT_ADAPTATION_LINEAR_BRADFORD, DT_ADAPTATION_RGB, and DT_ADAPTATION_XYZ.

Referenced by _auto_set_illuminant().

convert_XYZ_to_bradford_LMS()

static void convert_XYZ_to_bradford_LMS ( const dt_aligned_pixel_t  XYZ, dt_aligned_pixel_t  LMS  )

inlinestatic

References dot_product(), and XYZ_to_Bradford_LMS.

Referenced by chroma_adapt_pixel(), and convert_any_XYZ_to_LMS().

convert_XYZ_to_CAT16_LMS()

static void convert_XYZ_to_CAT16_LMS ( const dt_aligned_pixel_t  XYZ, dt_aligned_pixel_t  LMS  )

inlinestatic

References dot_product(), and XYZ_to_CAT16_LMS.

Referenced by chroma_adapt_pixel(), and convert_any_XYZ_to_LMS().

XYZ_adapt_D50()

static void XYZ_adapt_D50 ( const dt_aligned_pixel_t  lms_in, const dt_aligned_pixel_t  origin_illuminant, dt_aligned_pixel_t  lms_out  )

inlinestatic

Referenced by chroma_adapt_pixel().

XYZ_adapt_D65()

static void XYZ_adapt_D65 ( const dt_aligned_pixel_t  lms_in, const dt_aligned_pixel_t  origin_illuminant, dt_aligned_pixel_t  lms_out  )

inlinestatic

XYZ_D50_to_D65()

static void XYZ_D50_to_D65 ( const dt_aligned_pixel_t  XYZ_in, dt_aligned_pixel_t  XYZ_out  )

inlinestatic

References dot_product(), and XYZ_D50_to_D65_CAT16.

Referenced by pipe_RGB_to_Ych().

XYZ_D65_to_D50()

static void XYZ_D65_to_D50 ( const dt_aligned_pixel_t  XYZ_in, dt_aligned_pixel_t  XYZ_out  )

inlinestatic

References dot_product(), and XYZ_D65_to_D50_CAT16.

Variable Documentation

Bradford_LMS_to_XYZ

const dt_colormatrix_t Bradford_LMS_to_XYZ

Initial value:

= { {  0.9870f, -0.1471f,  0.1600f, 0.f },
                                               {  0.4323f,  0.5184f,  0.0493f, 0.f },
                                               { -0.0085f,  0.0400f,  0.9685f, 0.f } }

Referenced by convert_bradford_LMS_to_XYZ(), and convert_bradford_LMS_to_XYZ().

CAT16_LMS_to_XYZ

const dt_colormatrix_t CAT16_LMS_to_XYZ

Initial value:

= { {  1.862068f, -1.011255f,  0.149187f, 0.f },
                                            {  0.38752f ,  0.621447f, -0.008974f, 0.f },
                                            { -0.015841f, -0.034123f,  1.049964f, 0.f } }

Referenced by convert_CAT16_LMS_to_XYZ(), and convert_CAT16_LMS_to_XYZ().

XYZ_D50_to_D65_Bradford

const dt_colormatrix_t XYZ_D50_to_D65_Bradford

Initial value:

= { { 0.95547342f, -0.02309845f, 0.06325924f, 0.f },
        { -0.02836971f, 1.00999540f, 0.02104144f, 0.f },
        { 0.01231401f, -0.02050765f, 1.33036593f, 0.f } }

XYZ_D50_to_D65_CAT16

const dt_colormatrix_t XYZ_D50_to_D65_CAT16

Initial value:

= { { 9.89466254e-01f, -4.00304626e-02f, 4.40530317e-02f, 0.f },
        { -5.40518733e-03f, 1.00666069e+00f, -1.75551955e-03f, 0.f },
        { -4.03920992e-04f, 1.50768030e-02f, 1.30210211e+00f, 0.f } }

Referenced by commit_params(), filmic_v4_prepare_matrices(), process(), and XYZ_D50_to_D65().

XYZ_D65_to_D50_Bradford

const dt_colormatrix_t XYZ_D65_to_D50_Bradford

Initial value:

= { { 1.04792979f, 0.02294687f, -0.05019227f, 0.f },
        { 0.02962781f, 0.99043443f, -0.0170738f, 0.f },
        { -0.00924304f, 0.01505519f, 0.75187428f, 0.f } }

XYZ_D65_to_D50_CAT16

const dt_colormatrix_t XYZ_D65_to_D50_CAT16

Initial value:

= { { 1.01085433e+00f, 4.07086103e-02f, -3.41445825e-02f, 0.f },
        { 5.42814201e-03f, 9.93581926e-01f, 1.15592039e-03f, 0.f },
        { 2.50722468e-04f, -1.14918759e-02f, 7.67964947e-01f, 0.f } }

Referenced by filmic_v4_prepare_matrices(), process(), and XYZ_D65_to_D50().

XYZ_to_Bradford_LMS

const dt_colormatrix_t XYZ_to_Bradford_LMS

Initial value:

= { {  0.8951f,  0.2664f, -0.1614f, 0.f },
                                               { -0.7502f,  1.7135f,  0.0367f, 0.f },
                                               {  0.0389f, -0.0685f,  1.0296f, 0.f } }

Referenced by convert_XYZ_to_bradford_LMS(), and convert_XYZ_to_bradford_LMS().

XYZ_to_CAT16_LMS

const dt_colormatrix_t XYZ_to_CAT16_LMS

Initial value:

= { {  0.401288f, 0.650173f, -0.051461f, 0.f },
                                            { -0.250268f, 1.204414f,  0.045854f, 0.f },
                                            { -0.002079f, 0.048952f,  0.953127f, 0.f } }

Referenced by convert_XYZ_to_CAT16_LMS(), and convert_XYZ_to_CAT16_LMS().