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

Include dependency graph for colorspaces_inline_conversions.h:

This graph shows which files directly or indirectly include this file:

Functions
static void	dt_apply_transposed_color_matrix (const dt_aligned_pixel_t in, const dt_colormatrix_t matrix, dt_aligned_pixel_t out)

static float	cbrt_5f (float f)

static float	cbrta_halleyf (const float a, const float R)

static float	lab_f (const float x)

static void	dt_XYZ_to_Lab (const dt_aligned_pixel_t XYZ, dt_aligned_pixel_t Lab)

static float	lab_f_inv (const float x)

static void	dt_Lab_to_XYZ (const dt_aligned_pixel_t Lab, dt_aligned_pixel_t XYZ)

static void	dt_XYZ_to_xyY (const dt_aligned_pixel_t XYZ, dt_aligned_pixel_t xyY)

static void	dt_xyY_to_XYZ (const dt_aligned_pixel_t xyY, dt_aligned_pixel_t XYZ)

static void	dt_xyY_to_uvY (const dt_aligned_pixel_t xyY, dt_aligned_pixel_t uvY)

static float	cbf (const float x)

static void	dt_xyY_to_Luv (const dt_aligned_pixel_t xyY, dt_aligned_pixel_t Luv)

static void	dt_Luv_to_Lch (const dt_aligned_pixel_t Luv, dt_aligned_pixel_t Lch)

static void	dt_xyY_to_Lch (const dt_aligned_pixel_t xyY, dt_aligned_pixel_t Lch)

static void	dt_uvY_to_xyY (const dt_aligned_pixel_t uvY, dt_aligned_pixel_t xyY)

static void	dt_Luv_to_xyY (const dt_aligned_pixel_t Luv, dt_aligned_pixel_t xyY)

static void	dt_Lch_to_Luv (const dt_aligned_pixel_t Lch, dt_aligned_pixel_t Luv)

static void	dt_Lch_to_xyY (const dt_aligned_pixel_t Lch, dt_aligned_pixel_t xyY)

static void	dt_XYZ_to_Rec709_D50 (const dt_aligned_pixel_t XYZ, dt_aligned_pixel_t sRGB)

static void	dt_XYZ_to_Rec709_D65 (const dt_aligned_pixel_t XYZ, dt_aligned_pixel_t sRGB)

static void	dt_XYZ_to_sRGB (const dt_aligned_pixel_t XYZ, dt_aligned_pixel_t sRGB)

static void	dt_XYZ_to_sRGB_clipped (const dt_aligned_pixel_t XYZ, dt_aligned_pixel_t sRGB)

static void	dt_Rec709_to_XYZ_D50 (const dt_aligned_pixel_t sRGB, dt_aligned_pixel_t XYZ_D50)

static void	dt_sRGB_to_linear_sRGB (const dt_aligned_pixel_t sRGB, dt_aligned_pixel_t RGB)

static void	dt_sRGB_to_XYZ (const dt_aligned_pixel_t sRGB, dt_aligned_pixel_t XYZ)

static void	dt_XYZ_to_prophotorgb (const dt_aligned_pixel_t XYZ, dt_aligned_pixel_t rgb)

static void	dt_prophotorgb_to_XYZ (const dt_aligned_pixel_t rgb, dt_aligned_pixel_t XYZ)

static void	dt_linearRGB_to_XYZ (const dt_aligned_pixel_t linearRGB, dt_aligned_pixel_t XYZ)

static void	dt_XYZ_to_linearRGB (const dt_aligned_pixel_t XYZ, dt_aligned_pixel_t linearRGB)

static void	dt_Lab_to_prophotorgb (const dt_aligned_pixel_t Lab, dt_aligned_pixel_t rgb)

static void	dt_prophotorgb_to_Lab (const dt_aligned_pixel_t rgb, dt_aligned_pixel_t Lab)

static float	_dt_RGB_2_Hue (const dt_aligned_pixel_t RGB, const float max, const float delta)

static void	_dt_Hue_2_RGB (dt_aligned_pixel_t RGB, const float H, const float C, const float min)

static void	dt_RGB_2_HSL (const dt_aligned_pixel_t RGB, dt_aligned_pixel_t HSL)

static void	dt_HSL_2_RGB (const dt_aligned_pixel_t HSL, dt_aligned_pixel_t RGB)

static void	dt_RGB_2_HSV (const dt_aligned_pixel_t RGB, dt_aligned_pixel_t HSV)

static void	dt_HSV_2_RGB (const dt_aligned_pixel_t HSV, dt_aligned_pixel_t RGB)

static void	dt_RGB_2_HCV (const dt_aligned_pixel_t RGB, dt_aligned_pixel_t HCV)

static void	dt_Lab_2_LCH (const dt_aligned_pixel_t Lab, dt_aligned_pixel_t LCH)

static void	dt_LCH_2_Lab (const dt_aligned_pixel_t LCH, dt_aligned_pixel_t Lab)

static float	dt_camera_rgb_luminance (const dt_aligned_pixel_t rgb)

static void	dt_XYZ_D50_2_XYZ_D65 (const dt_aligned_pixel_t XYZ_D50, dt_aligned_pixel_t XYZ_D65)

static void	dt_XYZ_D65_2_XYZ_D50 (const dt_aligned_pixel_t XYZ_D65, dt_aligned_pixel_t XYZ_D50)

static void	dt_XYZ_2_JzAzBz (const dt_aligned_pixel_t XYZ_D65, dt_aligned_pixel_t JzAzBz)

static void	dt_JzAzBz_2_JzCzhz (const dt_aligned_pixel_t JzAzBz, dt_aligned_pixel_t JzCzhz)

static void	dt_JzCzhz_2_JzAzBz (const dt_aligned_pixel_t JzCzhz, dt_aligned_pixel_t JzAzBz)

static void	dt_JzAzBz_2_XYZ (const dt_aligned_pixel_t JzAzBz, dt_aligned_pixel_t XYZ_D65)

static void	XYZ_to_LMS (const dt_aligned_pixel_t XYZ, dt_aligned_pixel_t LMS)

static void	LMS_to_XYZ (const dt_aligned_pixel_t LMS, dt_aligned_pixel_t XYZ)

static void	gradingRGB_to_LMS (const dt_aligned_pixel_t RGB, dt_aligned_pixel_t LMS)

static void	LMS_to_gradingRGB (const dt_aligned_pixel_t LMS, dt_aligned_pixel_t RGB)

static void	LMS_to_Yrg (const dt_aligned_pixel_t LMS, dt_aligned_pixel_t Yrg)

static void	Yrg_to_LMS (const dt_aligned_pixel_t Yrg, dt_aligned_pixel_t LMS)

static void	Yrg_to_Ych (const dt_aligned_pixel_t Yrg, dt_aligned_pixel_t Ych)

static void	Ych_to_Yrg (const dt_aligned_pixel_t Ych, dt_aligned_pixel_t Yrg)

static void	Ych_to_gradingRGB (const dt_aligned_pixel_t Ych, dt_aligned_pixel_t RGB)

static void	gradingRGB_to_Ych (const dt_aligned_pixel_t RGB, dt_aligned_pixel_t Ych)

static void	XYZ_to_Ych (const dt_aligned_pixel_t XYZ, dt_aligned_pixel_t Ych)

static void	Ych_to_XYZ (const dt_aligned_pixel_t Ych, dt_aligned_pixel_t XYZ)

static void	gamut_check_Yrg (dt_aligned_pixel_t Ych)

static float	Y_to_dt_UCS_L_star (const float Y)

static float	dt_UCS_L_star_to_Y (const float L_star)

static void	xyY_to_dt_UCS_UV (const dt_aligned_pixel_t xyY, float UV_star_prime[2])

static void	xyY_to_dt_UCS_JCH (const dt_aligned_pixel_t xyY, const float L_white, dt_aligned_pixel_t JCH)

static void	dt_UCS_JCH_to_xyY (const dt_aligned_pixel_t JCH, const float L_white, dt_aligned_pixel_t xyY)

static void	dt_UCS_JCH_to_HSB (const dt_aligned_pixel_t JCH, dt_aligned_pixel_t HSB)

static void	dt_UCS_HSB_to_JCH (const dt_aligned_pixel_t HSB, dt_aligned_pixel_t JCH)

static void	dt_UCS_JCH_to_HCB (const dt_aligned_pixel_t JCH, dt_aligned_pixel_t HCB)

static void	dt_UCS_HCB_to_JCH (const dt_aligned_pixel_t HCB, dt_aligned_pixel_t JCH)

static void	dt_UCS_HSB_to_HPW (const dt_aligned_pixel_t HSB, dt_aligned_pixel_t HPW)

static void	dt_UCS_HPW_to_HSB (const dt_aligned_pixel_t HPW, dt_aligned_pixel_t HSB)

Variables
static const dt_aligned_pixel_t	d50 = { 0.9642f, 1.0f, 0.8249f }

static const dt_colormatrix_t	sRGB_to_xyz_transposed

static const dt_colormatrix_t	xyz_to_srgb_transposed

static const dt_colormatrix_t	XYZ_D65_to_LMS_2006_D65

static const dt_colormatrix_t	LMS_2006_D65_to_XYZ_D65

static const dt_colormatrix_t	filmlightRGB_D65_to_LMS_D65

static const dt_colormatrix_t	LMS_D65_to_filmlightRGB_D65

Function Documentation

◆ _dt_Hue_2_RGB()

static void _dt_Hue_2_RGB	(	dt_aligned_pixel_t	RGB,
		const float	H,
		const float	C,
		const float	min
	)

inlinestatic

References f(), and H.

Referenced by dt_HSL_2_RGB(), and dt_HSV_2_RGB().

◆ _dt_RGB_2_Hue()

static float _dt_RGB_2_Hue	(	const dt_aligned_pixel_t	RGB,
		const float	max,
		const float	delta
	)

inlinestatic

Referenced by dt_RGB_2_HCV(), dt_RGB_2_HSL(), and dt_RGB_2_HSV().

◆ cbf()

static float cbf ( const float x )

inlinestatic

Referenced by dt_Luv_to_xyY(), and dt_xyY_to_Luv().

◆ cbrt_5f()

static float cbrt_5f ( float f )

inlinestatic

References f().

Referenced by lab_f().

◆ cbrta_halleyf()

static float cbrta_halleyf	(	const float	a,
		const float	R
	)

inlinestatic

References R.

Referenced by lab_f().

◆ dt_apply_transposed_color_matrix()

static void dt_apply_transposed_color_matrix	(	const dt_aligned_pixel_t	in,
		const dt_colormatrix_t	matrix,
		dt_aligned_pixel_t	out
	)

inlinestatic

◆ dt_camera_rgb_luminance()

static float dt_camera_rgb_luminance ( const dt_aligned_pixel_t rgb )

inlinestatic

◆ dt_HSL_2_RGB()

static void dt_HSL_2_RGB	(	const dt_aligned_pixel_t	HSL,
		dt_aligned_pixel_t	RGB
	)

inlinestatic

References _dt_Hue_2_RGB(), HSL, and m.

Referenced by _blend_chromaticity(), _blend_color(), _blend_coloradjust(), _blend_hue(), _blend_lightness(), and _channel_display_false_color().

◆ dt_HSV_2_RGB()

static void dt_HSV_2_RGB	(	const dt_aligned_pixel_t	HSV,
		dt_aligned_pixel_t	RGB
	)

inlinestatic

References _dt_Hue_2_RGB(), and m.

Referenced by _blend_HSV_color(), and _blend_HSV_value().

◆ dt_JzAzBz_2_JzCzhz()

static void dt_JzAzBz_2_JzCzhz	(	const dt_aligned_pixel_t	JzAzBz,
		dt_aligned_pixel_t	JzCzhz
	)

inlinestatic

References DT_M_PI_F.

Referenced by _blendif_jzczhz(), _rgb_to_JzCzhz(), and rgb_to_JzCzhz().

◆ dt_JzAzBz_2_XYZ()

static void dt_JzAzBz_2_XYZ	(	const dt_aligned_pixel_t	JzAzBz,
		dt_aligned_pixel_t	XYZ_D65
	)

inlinestatic

References c1, and c2.

Referenced by _channel_display_false_color(), and process().

◆ dt_JzCzhz_2_JzAzBz()

static void dt_JzCzhz_2_JzAzBz	(	const dt_aligned_pixel_t	JzCzhz,
		dt_aligned_pixel_t	JzAzBz
	)

inlinestatic

References DT_M_PI_F.

Referenced by _channel_display_false_color().

◆ dt_Lab_2_LCH()

static void dt_Lab_2_LCH	(	const dt_aligned_pixel_t	Lab,
		dt_aligned_pixel_t	LCH
	)

inlinestatic

References DT_M_PI_F, and Lab().

Referenced by _auto_set_exposure(), _auto_set_illuminant(), _blend_chromaticity(), _blend_color(), _blend_coloradjust(), _blend_hue(), _blendif_lch(), _color_picker_lch(), _display_channel(), _draw_color_picker(), _sample_tooltip_callback(), _select_base_display_color(), _update_sample_label(), process_display(), and process_v1().

◆ dt_Lab_to_prophotorgb()

static void dt_Lab_to_prophotorgb	(	const dt_aligned_pixel_t	Lab,
		dt_aligned_pixel_t	rgb
	)

inlinestatic

References dt_Lab_to_XYZ(), dt_XYZ_to_prophotorgb(), and Lab().

Referenced by commit_params(), process(), and process_data().

◆ dt_Lab_to_XYZ()

static void dt_Lab_to_XYZ	(	const dt_aligned_pixel_t	Lab,
		dt_aligned_pixel_t	XYZ
	)

inlinestatic

uses D50 white point.

References d50, f(), for_each_channel, Lab(), and lab_f_inv().

Referenced by _auto_set_exposure(), _auto_set_illuminant(), _channel_display_false_color(), _colormanage_ui_color(), _extract_patches(), _paint_hue(), _target_color_draw(), _transform_lab_to_rgb_matrix(), apply_auto_black(), apply_auto_grey(), apply_auto_white_point_source(), apply_autocolor(), apply_autogrey(), apply_autoluma(), apply_autotune(), apply_gain_auto(), apply_gain_neutralize(), apply_gamma_auto(), apply_gamma_neutralize(), apply_lift_auto(), apply_lift_neutralize(), checker_draw(), checker_set_color(), color_picker_apply(), commit_params(), detail_enhance(), dt_ioppr_lab_to_rgb_matrix(), dt_Lab_to_prophotorgb(), extract_color_checker(), get_skin_tones_range(), image_lab2rgb(), image_lab_to_xyz(), paint_hue(), process(), process(), process(), rt_adjust_levels(), and target_color_draw().

◆ dt_LCH_2_Lab()

static void dt_LCH_2_Lab	(	const dt_aligned_pixel_t	LCH,
		dt_aligned_pixel_t	Lab
	)

inlinestatic

References DT_M_PI_F, and Lab().

Referenced by _auto_set_exposure(), _auto_set_illuminant(), _blend_chromaticity(), _blend_color(), _blend_coloradjust(), _blend_hue(), _channel_display_false_color(), _paint_hue(), _target_color_draw(), Lch_to_color_name(), paint_hue(), process_v1(), and target_color_draw().

◆ dt_Lch_to_Luv()

static void dt_Lch_to_Luv	(	const dt_aligned_pixel_t	Lch,
		dt_aligned_pixel_t	Luv
	)

inlinestatic

Referenced by _process_vectorscope(), and dt_Lch_to_xyY().

◆ dt_Lch_to_xyY()

static void dt_Lch_to_xyY	(	const dt_aligned_pixel_t	Lch,
		dt_aligned_pixel_t	xyY
	)

inlinestatic

References dt_Lch_to_Luv(), and dt_Luv_to_xyY().

Referenced by illum_xy_callback(), and update_xy_color().

◆ dt_linearRGB_to_XYZ()

static void dt_linearRGB_to_XYZ	(	const dt_aligned_pixel_t	linearRGB,
		dt_aligned_pixel_t	XYZ
	)

inlinestatic

References dt_apply_transposed_color_matrix(), and sRGB_to_xyz_transposed.

Referenced by image_rgb2lab(), rt_adjust_levels(), and rt_process_stats().

◆ dt_Luv_to_Lch()

static void dt_Luv_to_Lch	(	const dt_aligned_pixel_t	Luv,
		dt_aligned_pixel_t	Lch
	)

inlinestatic

References M_PI.

Referenced by _process_vectorscope(), and dt_xyY_to_Lch().

◆ dt_Luv_to_xyY()

static void dt_Luv_to_xyY	(	const dt_aligned_pixel_t	Luv,
		dt_aligned_pixel_t	xyY
	)

inlinestatic

References cbf(), DT_ALIGNED_PIXEL, and dt_uvY_to_xyY().

Referenced by _create_vectorscope_image(), _process_vectorscope(), and dt_Lch_to_xyY().

◆ dt_prophotorgb_to_Lab()

static void dt_prophotorgb_to_Lab	(	const dt_aligned_pixel_t	rgb,
		dt_aligned_pixel_t	Lab
	)

inlinestatic

References dt_prophotorgb_to_XYZ(), dt_XYZ_to_Lab(), and Lab().

Referenced by commit_params(), process(), process(), and process_data().

◆ dt_prophotorgb_to_XYZ()

static void dt_prophotorgb_to_XYZ	(	const dt_aligned_pixel_t	rgb,
		dt_aligned_pixel_t	XYZ
	)

inlinestatic

References dt_apply_transposed_color_matrix().

Referenced by apply_autocolor(), apply_autogrey(), commit_params(), dt_prophotorgb_to_Lab(), process(), and process().

◆ dt_Rec709_to_XYZ_D50()

static void dt_Rec709_to_XYZ_D50	(	const dt_aligned_pixel_t	sRGB,
		dt_aligned_pixel_t	XYZ_D50
	)

inlinestatic

References dt_apply_transposed_color_matrix().

Referenced by dt_develop_blendif_lab_blend(), and dt_sRGB_to_XYZ().

◆ dt_RGB_2_HCV()

static void dt_RGB_2_HCV	(	const dt_aligned_pixel_t	RGB,
		dt_aligned_pixel_t	HCV
	)

inlinestatic

References _dt_RGB_2_Hue(), and H.

◆ dt_RGB_2_HSL()

static void dt_RGB_2_HSL	(	const dt_aligned_pixel_t	RGB,
		dt_aligned_pixel_t	HSL
	)

inlinestatic

References _dt_RGB_2_Hue(), H, HSL, and S.

Referenced by _blend_chromaticity(), _blend_color(), _blend_coloradjust(), _blend_hue(), _blend_lightness(), _blendif_hsl(), _color_picker_hsl(), _display_channel(), and _update_sample_label().

◆ dt_RGB_2_HSV()

static void dt_RGB_2_HSV	(	const dt_aligned_pixel_t	RGB,
		dt_aligned_pixel_t	HSV
	)

inlinestatic

References _dt_RGB_2_Hue(), H, and S.

Referenced by _blend_HSV_color(), _blend_HSV_value(), and _update_sample_label().

◆ dt_sRGB_to_linear_sRGB()

static void dt_sRGB_to_linear_sRGB	(	const dt_aligned_pixel_t	sRGB,
		dt_aligned_pixel_t	RGB
	)

inlinestatic

Referenced by dt_sRGB_to_XYZ().

◆ dt_sRGB_to_XYZ()

static void dt_sRGB_to_XYZ	(	const dt_aligned_pixel_t	sRGB,
		dt_aligned_pixel_t	XYZ
	)

inlinestatic

References dt_Rec709_to_XYZ_D50(), and dt_sRGB_to_linear_sRGB().

Referenced by _select_base_display_color(), and process().

◆ dt_UCS_HCB_to_JCH()

static void dt_UCS_HCB_to_JCH	(	const dt_aligned_pixel_t	HCB,
		dt_aligned_pixel_t	JCH
	)

inlinestatic

◆ dt_UCS_HPW_to_HSB()

static void dt_UCS_HPW_to_HSB	(	const dt_aligned_pixel_t	HPW,
		dt_aligned_pixel_t	HSB
	)

inlinestatic

◆ dt_UCS_HSB_to_HPW()

static void dt_UCS_HSB_to_HPW	(	const dt_aligned_pixel_t	HSB,
		dt_aligned_pixel_t	HPW
	)

inlinestatic

◆ dt_UCS_HSB_to_JCH()

static void dt_UCS_HSB_to_JCH	(	const dt_aligned_pixel_t	HSB,
		dt_aligned_pixel_t	JCH
	)

inlinestatic

◆ dt_UCS_JCH_to_HCB()

static void dt_UCS_JCH_to_HCB	(	const dt_aligned_pixel_t	JCH,
		dt_aligned_pixel_t	HCB
	)

inlinestatic

◆ dt_UCS_JCH_to_HSB()

static void dt_UCS_JCH_to_HSB	(	const dt_aligned_pixel_t	JCH,
		dt_aligned_pixel_t	HSB
	)

inlinestatic

◆ dt_UCS_JCH_to_xyY()

static void dt_UCS_JCH_to_xyY	(	const dt_aligned_pixel_t	JCH,
		const float	L_white,
		dt_aligned_pixel_t	xyY
	)

inlinestatic

References dt_UCS_L_star_to_Y(), and for_each_channel.

◆ dt_UCS_L_star_to_Y()

static float dt_UCS_L_star_to_Y ( const float L_star )

inlinestatic

Referenced by dt_UCS_JCH_to_xyY().

◆ dt_uvY_to_xyY()

static void dt_uvY_to_xyY	(	const dt_aligned_pixel_t	uvY,
		dt_aligned_pixel_t	xyY
	)

inlinestatic

Referenced by dt_Luv_to_xyY().

◆ dt_xyY_to_Lch()

static void dt_xyY_to_Lch	(	const dt_aligned_pixel_t	xyY,
		dt_aligned_pixel_t	Lch
	)

inlinestatic

References dt_Luv_to_Lch(), and dt_xyY_to_Luv().

Referenced by _auto_set_illuminant(), _develop_ui_pipe_finished_callback(), commit_profile_callback(), get_skin_tones_range(), gui_changed(), reload_defaults(), and update_xy_color().

◆ dt_xyY_to_Luv()

static void dt_xyY_to_Luv	(	const dt_aligned_pixel_t	xyY,
		dt_aligned_pixel_t	Luv
	)

inlinestatic

References cbf(), DT_ALIGNED_PIXEL, and dt_xyY_to_uvY().

Referenced by _bin_pixels_vectorscope_in_roi(), _process_vectorscope(), and dt_xyY_to_Lch().

◆ dt_xyY_to_uvY()

static void dt_xyY_to_uvY	(	const dt_aligned_pixel_t	xyY,
		dt_aligned_pixel_t	uvY
	)

inlinestatic

Referenced by dt_xyY_to_Luv().

◆ dt_xyY_to_XYZ()

static void dt_xyY_to_XYZ	(	const dt_aligned_pixel_t	xyY,
		dt_aligned_pixel_t	XYZ
	)

inlinestatic

◆ dt_XYZ_2_JzAzBz()

static void dt_XYZ_2_JzAzBz	(	const dt_aligned_pixel_t	XYZ_D65,
		dt_aligned_pixel_t	JzAzBz
	)

inlinestatic

Conversion algorithms between XYZ and JzAzBz and JzCzhz are described in the following paper:

Perceptually uniform color space for image signals including high dynamic range and wide gamut https://www.osapublishing.org/oe/fulltext.cfm?uri=oe-25-13-15131&id=368272

References A, c1, c2, and for_each_channel.

Referenced by _blendif_jzczhz(), _rgb_to_JzCzhz(), commit_params(), process(), and rgb_to_JzCzhz().

◆ dt_XYZ_D50_2_XYZ_D65()

static void dt_XYZ_D50_2_XYZ_D65	(	const dt_aligned_pixel_t	XYZ_D50,
		dt_aligned_pixel_t	XYZ_D65
	)

inlinestatic

References for_each_channel.

Referenced by rgb_to_JzCzhz().

◆ dt_XYZ_D65_2_XYZ_D50()

static void dt_XYZ_D65_2_XYZ_D50	(	const dt_aligned_pixel_t	XYZ_D65,
		dt_aligned_pixel_t	XYZ_D50
	)

inlinestatic

References for_each_channel.

◆ dt_XYZ_to_Lab()

static void dt_XYZ_to_Lab	(	const dt_aligned_pixel_t	XYZ,
		dt_aligned_pixel_t	Lab
	)

inlinestatic

◆ dt_XYZ_to_linearRGB()

static void dt_XYZ_to_linearRGB	(	const dt_aligned_pixel_t	XYZ,
		dt_aligned_pixel_t	linearRGB
	)

inlinestatic

References dt_apply_transposed_color_matrix(), and xyz_to_srgb_transposed.

Referenced by image_lab2rgb(), and rt_adjust_levels().

◆ dt_XYZ_to_prophotorgb()

static void dt_XYZ_to_prophotorgb	(	const dt_aligned_pixel_t	XYZ,
		dt_aligned_pixel_t	rgb
	)

inlinestatic

References dt_apply_transposed_color_matrix().

Referenced by apply_autocolor(), apply_autogrey(), apply_gain_auto(), apply_gain_neutralize(), apply_gamma_auto(), apply_gamma_neutralize(), apply_lift_auto(), apply_lift_neutralize(), dt_Lab_to_prophotorgb(), process(), and process().

◆ dt_XYZ_to_Rec709_D50()

static void dt_XYZ_to_Rec709_D50	(	const dt_aligned_pixel_t	XYZ,
		dt_aligned_pixel_t	sRGB
	)

inlinestatic

Uses D50

References dt_apply_transposed_color_matrix().

Referenced by _XYZ_to_REC_709_normalized(), dt_XYZ_to_sRGB(), and illuminant_xy_to_RGB().

◆ dt_XYZ_to_Rec709_D65()

static void dt_XYZ_to_Rec709_D65	(	const dt_aligned_pixel_t	XYZ,
		dt_aligned_pixel_t	sRGB
	)

inlinestatic

Uses D65

References dt_apply_transposed_color_matrix(), and xyz_to_srgb_transposed.

Referenced by _channel_display_false_color(), _convert_GUI_colors(), color_temptint_sliders(), convert_any_LMS_to_RGB(), gui_init(), and paint_chroma_slider().

◆ dt_XYZ_to_sRGB()

static void dt_XYZ_to_sRGB	(	const dt_aligned_pixel_t	XYZ,
		dt_aligned_pixel_t	sRGB
	)

inlinestatic

uses D50 white point.

References dt_XYZ_to_Rec709_D50().

Referenced by _auto_set_exposure(), _auto_set_illuminant(), _paint_hue(), _target_color_draw(), checker_draw(), color_picker_apply(), dt_XYZ_to_sRGB_clipped(), paint_hue(), process(), and target_color_draw().

◆ dt_XYZ_to_sRGB_clipped()

static void dt_XYZ_to_sRGB_clipped	(	const dt_aligned_pixel_t	XYZ,
		dt_aligned_pixel_t	sRGB
	)

inlinestatic

uses D50 white point and clips the output to [0..1].

References CLIP, dt_XYZ_to_sRGB(), and for_each_channel.

Referenced by cairo_surface_create_from_xyz_data(), and checker_set_color().

◆ dt_XYZ_to_xyY()

static void dt_XYZ_to_xyY	(	const dt_aligned_pixel_t	XYZ,
		dt_aligned_pixel_t	xyY
	)

inlinestatic

◆ gamut_check_Yrg()

static void gamut_check_Yrg ( dt_aligned_pixel_t Ych )

inlinestatic

References Ych_to_Yrg().

◆ gradingRGB_to_LMS()

static void gradingRGB_to_LMS	(	const dt_aligned_pixel_t	RGB,
		dt_aligned_pixel_t	LMS
	)

inlinestatic

References dot_product(), and filmlightRGB_D65_to_LMS_D65.

Referenced by gradingRGB_to_Ych(), and Yrg_to_LMS().

◆ gradingRGB_to_Ych()

static void gradingRGB_to_Ych	(	const dt_aligned_pixel_t	RGB,
		dt_aligned_pixel_t	Ych
	)

inlinestatic

References gradingRGB_to_LMS(), LMS_to_Yrg(), and Yrg_to_Ych().

◆ lab_f()

static float lab_f ( const float x )

inlinestatic

References cbrt_5f(), and cbrta_halleyf().

Referenced by dt_XYZ_to_Lab().

◆ lab_f_inv()

static float lab_f_inv ( const float x )

inlinestatic

Referenced by dt_Lab_to_XYZ().

◆ LMS_to_gradingRGB()

static void LMS_to_gradingRGB	(	const dt_aligned_pixel_t	LMS,
		dt_aligned_pixel_t	RGB
	)

inlinestatic

References dot_product(), and LMS_D65_to_filmlightRGB_D65.

Referenced by LMS_to_Yrg(), and Ych_to_gradingRGB().

◆ LMS_to_XYZ()

static void LMS_to_XYZ	(	const dt_aligned_pixel_t	LMS,
		dt_aligned_pixel_t	XYZ
	)

inlinestatic

References dot_product(), and LMS_2006_D65_to_XYZ_D65.

Referenced by Ych_to_XYZ().

◆ LMS_to_Yrg()

static void LMS_to_Yrg	(	const dt_aligned_pixel_t	LMS,
		dt_aligned_pixel_t	Yrg
	)

inlinestatic

References for_four_channels, and LMS_to_gradingRGB().

Referenced by gradingRGB_to_Ych(), and XYZ_to_Ych().

◆ xyY_to_dt_UCS_JCH()

static void xyY_to_dt_UCS_JCH	(	const dt_aligned_pixel_t	xyY,
		const float	L_white,
		dt_aligned_pixel_t	JCH
	)

inlinestatic

References xyY_to_dt_UCS_UV(), and Y_to_dt_UCS_L_star().

◆ xyY_to_dt_UCS_UV()

static void xyY_to_dt_UCS_UV	(	const dt_aligned_pixel_t	xyY,
		float	UV_star_prime[2]
	)

inlinestatic

References for_each_channel.

Referenced by xyY_to_dt_UCS_JCH().

◆ XYZ_to_LMS()

static void XYZ_to_LMS	(	const dt_aligned_pixel_t	XYZ,
		dt_aligned_pixel_t	LMS
	)

inlinestatic

References dot_product(), and XYZ_D65_to_LMS_2006_D65.

Referenced by XYZ_to_Ych().

◆ XYZ_to_Ych()

static void XYZ_to_Ych	(	const dt_aligned_pixel_t	XYZ,
		dt_aligned_pixel_t	Ych
	)

inlinestatic

References LMS_to_Yrg(), XYZ_to_LMS(), and Yrg_to_Ych().

Referenced by pipe_RGB_to_Ych().

◆ Y_to_dt_UCS_L_star()

static float Y_to_dt_UCS_L_star ( const float Y )

inlinestatic

The following is darktable Uniform Color Space 2022 © Aurélien Pierre https://eng.aurelienpierre.com/2022/02/color-saturation-control-for-the-21th-century/

Use this space for color-grading in a perceptual framework. The CAM terms have been removed for performance.

Referenced by xyY_to_dt_UCS_JCH().

◆ Ych_to_gradingRGB()

static void Ych_to_gradingRGB	(	const dt_aligned_pixel_t	Ych,
		dt_aligned_pixel_t	RGB
	)

inlinestatic

References LMS_to_gradingRGB(), Ych_to_Yrg(), and Yrg_to_LMS().

Referenced by commit_params().

◆ Ych_to_XYZ()

static void Ych_to_XYZ	(	const dt_aligned_pixel_t	Ych,
		dt_aligned_pixel_t	XYZ
	)

inlinestatic

References LMS_to_XYZ(), Ych_to_Yrg(), and Yrg_to_LMS().

Referenced by gui_init(), and paint_chroma_slider().

◆ Ych_to_Yrg()

static void Ych_to_Yrg	(	const dt_aligned_pixel_t	Ych,
		dt_aligned_pixel_t	Yrg
	)

inlinestatic

Referenced by gamut_check_Yrg(), Ych_to_gradingRGB(), and Ych_to_XYZ().

◆ Yrg_to_LMS()

static void Yrg_to_LMS	(	const dt_aligned_pixel_t	Yrg,
		dt_aligned_pixel_t	LMS
	)

inlinestatic

References for_four_channels, and gradingRGB_to_LMS().

Referenced by Ych_to_gradingRGB(), and Ych_to_XYZ().

◆ Yrg_to_Ych()

static void Yrg_to_Ych	(	const dt_aligned_pixel_t	Yrg,
		dt_aligned_pixel_t	Ych
	)

inlinestatic

Referenced by gradingRGB_to_Ych(), and XYZ_to_Ych().

Variable Documentation

◆ d50

const dt_aligned_pixel_t d50 = { 0.9642f, 1.0f, 0.8249f }

static

uses D50 white point.

Referenced by dt_Lab_to_XYZ(), dt_XYZ_to_Lab(), Lab_to_XYZ(), and XYZ_to_Lab().

◆ filmlightRGB_D65_to_LMS_D65

const dt_colormatrix_t filmlightRGB_D65_to_LMS_D65

static

Initial value:

= { { 0.95f, 0.38f, 0.00f, 0.f },
        { 0.05f, 0.62f, 0.03f, 0.f },
        { 0.00f, 0.00f, 0.97f, 0.f } }

Referenced by gradingRGB_to_LMS(), and gradingRGB_to_LMS().

◆ LMS_2006_D65_to_XYZ_D65

const dt_colormatrix_t LMS_2006_D65_to_XYZ_D65

static

Initial value:

= { { 1.80794659f, -1.29971660f, 0.34785879f, 0.f },
        { 0.61783960f, 0.39595453f, -0.04104687f, 0.f },
        { -0.12546960f, 0.20478038f, 1.74274183f, 0.f } }

Referenced by filmic_v4_prepare_matrices(), LMS_to_XYZ(), and LMS_to_XYZ().

◆ LMS_D65_to_filmlightRGB_D65

const dt_colormatrix_t LMS_D65_to_filmlightRGB_D65

static

Initial value:

= { {  1.0877193f, -0.66666667f,  0.02061856f, 0.f },
        { -0.0877193f,  1.66666667f, -0.05154639f, 0.f },
        {         0.f,          0.f,  1.03092784f, 0.f } }

Referenced by LMS_to_gradingRGB(), and LMS_to_gradingRGB().

◆ sRGB_to_xyz_transposed

const dt_colormatrix_t sRGB_to_xyz_transposed

static

Initial value:

=
  { { 0.4360747f, 0.2225045f, 0.0139322f },
    { 0.3850649f, 0.7168786f, 0.0971045f },
    { 0.1430804f, 0.0606169f, 0.7141733f } }

Referenced by dt_linearRGB_to_XYZ().

◆ XYZ_D65_to_LMS_2006_D65

const dt_colormatrix_t XYZ_D65_to_LMS_2006_D65

static

Initial value:

= { { 0.257085f, 0.859943f, -0.031061f, 0.f },
        { -0.394427f, 1.175800f, 0.106423f, 0.f },
        { 0.064856f, -0.076250f, 0.559067f, 0.f } }

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

◆ xyz_to_srgb_transposed

const dt_colormatrix_t xyz_to_srgb_transposed

static

Initial value:

=
  { {  3.1338561f, -0.9787684f,  0.0719453f },
    { -1.6168667f,  1.9161415f, -0.2289914f },
    { -0.4906146f,  0.0334540f,  1.4052427f } }

Referenced by dt_XYZ_to_linearRGB(), and dt_XYZ_to_Rec709_D65().

Functions

Variables

Function Documentation

◆ _dt_Hue_2_RGB()

◆ _dt_RGB_2_Hue()

◆ cbf()

◆ cbrt_5f()

◆ cbrta_halleyf()

◆ dt_apply_transposed_color_matrix()

◆ dt_camera_rgb_luminance()

◆ dt_HSL_2_RGB()

◆ dt_HSV_2_RGB()

◆ dt_JzAzBz_2_JzCzhz()

◆ dt_JzAzBz_2_XYZ()

◆ dt_JzCzhz_2_JzAzBz()

◆ dt_Lab_2_LCH()

◆ dt_Lab_to_prophotorgb()

◆ dt_Lab_to_XYZ()

◆ dt_LCH_2_Lab()

◆ dt_Lch_to_Luv()

◆ dt_Lch_to_xyY()

◆ dt_linearRGB_to_XYZ()

◆ dt_Luv_to_Lch()

◆ dt_Luv_to_xyY()

◆ dt_prophotorgb_to_Lab()

◆ dt_prophotorgb_to_XYZ()

◆ dt_Rec709_to_XYZ_D50()

◆ dt_RGB_2_HCV()

◆ dt_RGB_2_HSL()

◆ dt_RGB_2_HSV()

◆ dt_sRGB_to_linear_sRGB()

◆ dt_sRGB_to_XYZ()

◆ dt_UCS_HCB_to_JCH()

◆ dt_UCS_HPW_to_HSB()

◆ dt_UCS_HSB_to_HPW()

◆ dt_UCS_HSB_to_JCH()

◆ dt_UCS_JCH_to_HCB()

◆ dt_UCS_JCH_to_HSB()

◆ dt_UCS_JCH_to_xyY()

◆ dt_UCS_L_star_to_Y()

◆ dt_uvY_to_xyY()

◆ dt_xyY_to_Lch()

◆ dt_xyY_to_Luv()

◆ dt_xyY_to_uvY()

◆ dt_xyY_to_XYZ()

◆ dt_XYZ_2_JzAzBz()

◆ dt_XYZ_D50_2_XYZ_D65()

◆ dt_XYZ_D65_2_XYZ_D50()

◆ dt_XYZ_to_Lab()

◆ dt_XYZ_to_linearRGB()

◆ dt_XYZ_to_prophotorgb()

◆ dt_XYZ_to_Rec709_D50()

◆ dt_XYZ_to_Rec709_D65()

◆ dt_XYZ_to_sRGB()

◆ dt_XYZ_to_sRGB_clipped()

◆ dt_XYZ_to_xyY()

◆ gamut_check_Yrg()

◆ gradingRGB_to_LMS()

◆ gradingRGB_to_Ych()

◆ lab_f()

◆ lab_f_inv()

◆ LMS_to_gradingRGB()

◆ LMS_to_XYZ()

◆ LMS_to_Yrg()

◆ xyY_to_dt_UCS_JCH()

◆ xyY_to_dt_UCS_UV()

◆ XYZ_to_LMS()

◆ XYZ_to_Ych()

◆ Y_to_dt_UCS_L_star()

◆ Ych_to_gradingRGB()

◆ Ych_to_XYZ()

◆ Ych_to_Yrg()

◆ Yrg_to_LMS()

◆ Yrg_to_Ych()

Variable Documentation

◆ d50

◆ filmlightRGB_D65_to_LMS_D65

◆ LMS_2006_D65_to_XYZ_D65

◆ LMS_D65_to_filmlightRGB_D65

◆ sRGB_to_xyz_transposed