channelmixerrgb.c File Reference

#include "bauhaus/bauhaus.h"
#include "chart/common.h"
#include "develop/imageop_gui.h"
#include "dtgtk/drawingarea.h"
#include "common/chromatic_adaptation.h"
#include "common/colorspaces_inline_conversions.h"
#include "common/colorchecker.h"
#include "common/opencl.h"
#include "common/illuminants.h"
#include "common/imagebuf.h"
#include "common/iop_profile.h"
#include "control/control.h"
#include "develop/imageop_math.h"
#include "develop/openmp_maths.h"
#include "gui/color_picker_proxy.h"
#include "gui/gtk.h"
#include "gui/presets.h"
#include "iop/iop_api.h"
#include "gaussian_elimination.h"
#include <assert.h>
#include <gtk/gtk.h>
#include <inttypes.h>
#include <math.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>

Include dependency graph for channelmixerrgb.c:

Data Structures
struct	dt_iop_channelmixer_rgb_params_t
struct	dt_iop_channelmixer_rgb_gui_data_t
struct	dt_iop_channelmixer_rbg_data_t
struct	dt_iop_channelmixer_rgb_global_data_t
struct	extraction_result_t

Macros
#define	CHANNEL_SIZE   4
#define	INVERSE_SQRT_3   0.5773502691896258f
#define	COLOR_MIN   -2.0
#define	COLOR_MAX   2.0
#define	ILLUM_X_MAX   360.0
#define	ILLUM_Y_MAX   300.0
#define	LIGHTNESS_MAX   100.0
#define	HUE_MAX   360.0
#define	CHROMA_MAX   128.0
#define	TEMP_MIN   1667.
#define	TEMP_MAX   25000.
#define	SHF(ii, jj, c)   ((i + ii) * width + j + jj) * ch + c
#define	OFF   4
#define	DEG_TO_RAD(x)   (x * M_PI / 180.f)
#define	RAD_TO_DEG(x)   (x * 180.f / M_PI)
#define	GET_WEIGHT
#define	NOTEBOOK_PAGE(var, short, label, tooltip, section, swap)

Typedefs
typedef enum dt_iop_channelmixer_rgb_version_t	dt_iop_channelmixer_rgb_version_t
typedef struct dt_iop_channelmixer_rgb_params_t	dt_iop_channelmixer_rgb_params_t
typedef enum dt_solving_strategy_t	dt_solving_strategy_t
typedef enum dt_spot_mode_t	dt_spot_mode_t
typedef struct dt_iop_channelmixer_rgb_gui_data_t	dt_iop_channelmixer_rgb_gui_data_t
typedef struct dt_iop_channelmixer_rbg_data_t	dt_iop_channelmixer_rbg_data_t
typedef struct dt_iop_channelmixer_rgb_global_data_t	dt_iop_channelmixer_rgb_global_data_t

Enumerations
enum	dt_iop_channelmixer_rgb_version_t {   CHANNELMIXERRGB_V_1 = 0 ,   CHANNELMIXERRGB_V_2 = 1 ,   CHANNELMIXERRGB_V_3 = 2 }
enum	dt_solving_strategy_t {   DT_SOLVE_OPTIMIZE_NONE = 0 ,   DT_SOLVE_OPTIMIZE_LOW_SAT = 1 ,   DT_SOLVE_OPTIMIZE_HIGH_SAT = 2 ,   DT_SOLVE_OPTIMIZE_SKIN = 3 ,   DT_SOLVE_OPTIMIZE_FOLIAGE = 4 ,   DT_SOLVE_OPTIMIZE_SKY = 5 ,   DT_SOLVE_OPTIMIZE_AVG_DELTA_E = 6 ,   DT_SOLVE_OPTIMIZE_MAX_DELTA_E = 7 }
enum	dt_spot_mode_t {   DT_SPOT_MODE_CORRECT = 0 ,   DT_SPOT_MODE_MEASURE = 1 ,   DT_SPOT_MODE_LAST }

Functions
void	_auto_set_illuminant (dt_iop_module_t *self, dt_dev_pixelpipe_t *pipe)
const char *	name ()
const char *	aliases ()
const char **	description (struct dt_iop_module_t *self)
int	flags ()
int	default_group ()
int	default_colorspace (dt_iop_module_t *self, dt_dev_pixelpipe_t *pipe, dt_dev_pixelpipe_iop_t *piece)
int	legacy_params (dt_iop_module_t *self, const void *const old_params, const int old_version, void *new_params, const int new_version)
void	init_presets (dt_iop_module_so_t *self)
static int	get_white_balance_coeff (struct dt_iop_module_t *self, dt_aligned_pixel_t custom_wb)
static void	gamut_mapping (const dt_aligned_pixel_t input, const float compression, const int clip, dt_aligned_pixel_t output)
static void	luma_chroma (const dt_aligned_pixel_t input, const dt_aligned_pixel_t saturation, const dt_aligned_pixel_t lightness, dt_aligned_pixel_t output, const dt_iop_channelmixer_rgb_version_t version)
static void	loop_switch (const float *const restrict in, float *const restrict out, const size_t width, const size_t height, const size_t ch, const dt_colormatrix_t XYZ_to_RGB, const dt_colormatrix_t RGB_to_XYZ, const dt_colormatrix_t MIX, const dt_aligned_pixel_t illuminant, const dt_aligned_pixel_t saturation, const dt_aligned_pixel_t lightness, const dt_aligned_pixel_t grey, const float p, const float gamut, const int clip, const int apply_grey, const dt_adaptation_t kind, const dt_iop_channelmixer_rgb_version_t version)
static void	auto_detect_WB (const float *const restrict in, dt_illuminant_t illuminant, const size_t width, const size_t height, const size_t ch, const dt_colormatrix_t RGB_to_XYZ, dt_aligned_pixel_t xyz)
static void	declare_cat_on_pipe (struct dt_iop_module_t *self, gboolean preset)
static gboolean	_is_another_module_cat_on_pipe (struct dt_iop_module_t *self)
static void	update_illuminants (struct dt_iop_module_t *self)
static void	update_approx_cct (struct dt_iop_module_t *self)
static void	update_illuminant_color (struct dt_iop_module_t *self)
static void	paint_temperature_background (struct dt_iop_module_t *self)
static void	check_if_close_to_daylight (const float x, const float y, float *temperature, dt_illuminant_t *illuminant, dt_adaptation_t *adaptation)
static void	compute_patches_delta_E (const float *const restrict patches, const dt_color_checker_t *const checker, float *const restrict delta_E, float *const restrict avg_delta_E, float *const restrict max_delta_E)
static const extraction_result_t	_extract_patches (const float *const restrict in, const dt_iop_roi_t *const roi_in, dt_iop_channelmixer_rgb_gui_data_t *g, const dt_colormatrix_t RGB_to_XYZ, const dt_colormatrix_t XYZ_to_CAM, float *const restrict patches, const gboolean normalize_exposure)
void	extract_color_checker (const float *const restrict in, float *const restrict out, const dt_iop_roi_t *const roi_in, dt_iop_channelmixer_rgb_gui_data_t *g, const dt_colormatrix_t RGB_to_XYZ, const dt_colormatrix_t XYZ_to_RGB, const dt_colormatrix_t XYZ_to_CAM, const dt_adaptation_t kind)
void	validate_color_checker (const float *const restrict in, const dt_iop_roi_t *const roi_in, dt_iop_channelmixer_rgb_gui_data_t *g, const dt_colormatrix_t RGB_to_XYZ, const dt_colormatrix_t XYZ_to_RGB, const dt_colormatrix_t XYZ_to_CAM)
void	process (struct dt_iop_module_t *self, dt_dev_pixelpipe_iop_t *piece, const void *const restrict ivoid, void *const restrict ovoid, const dt_iop_roi_t *const roi_in, const dt_iop_roi_t *const roi_out)
static void	update_bounding_box (dt_iop_channelmixer_rgb_gui_data_t *g, const float x_increment, const float y_increment)
static void	init_bounding_box (dt_iop_channelmixer_rgb_gui_data_t *g, const float width, const float height)
int	mouse_moved (struct dt_iop_module_t *self, double x, double y, double pressure, int which)
int	button_pressed (struct dt_iop_module_t *self, double x, double y, double pressure, int which, int type, uint32_t state)
int	button_released (struct dt_iop_module_t *self, double x, double y, int which, uint32_t state)
void	gui_post_expose (struct dt_iop_module_t *self, cairo_t *cr, int32_t width, int32_t height, int32_t pointerx, int32_t pointery)
static void	optimize_changed_callback (GtkWidget *widget, gpointer user_data)
static void	checker_changed_callback (GtkWidget *widget, gpointer user_data)
static void	safety_changed_callback (GtkWidget *widget, gpointer user_data)
static void	start_profiling_callback (GtkWidget *togglebutton, dt_iop_module_t *self)
static void	run_profile_callback (GtkWidget *widget, GdkEventButton *event, gpointer user_data)
static void	run_validation_callback (GtkWidget *widget, GdkEventButton *event, gpointer user_data)
static void	commit_profile_callback (GtkWidget *widget, GdkEventButton *event, gpointer user_data)
static void	_develop_ui_pipe_finished_callback (gpointer instance, gpointer user_data)
static void	_preview_pipe_finished_callback (gpointer instance, gpointer user_data)
void	commit_params (struct dt_iop_module_t *self, dt_iop_params_t *p1, dt_dev_pixelpipe_t *pipe, dt_dev_pixelpipe_iop_t *piece)
static void	update_xy_color (dt_iop_module_t *self)
static void	paint_hue (dt_iop_module_t *self)
static void	_convert_GUI_colors (dt_iop_channelmixer_rgb_params_t *p, const struct dt_iop_order_iccprofile_info_t *const work_profile, const dt_aligned_pixel_t LMS, dt_aligned_pixel_t RGB)
static void	_update_RGB_slider_stop (dt_iop_channelmixer_rgb_params_t *p, const struct dt_iop_order_iccprofile_info_t *const work_profile, GtkWidget *w, float stop, float c, float r, float g, float b)
static void	_update_RGB_colors (dt_iop_module_t *self, float r, float g, float b, gboolean normalize, float *a, GtkWidget *w_r, GtkWidget *w_g, GtkWidget *w_b)
static gboolean	illuminant_color_draw (GtkWidget *widget, cairo_t *crf, gpointer user_data)
static gboolean	target_color_draw (GtkWidget *widget, cairo_t *crf, gpointer user_data)
static gboolean	origin_color_draw (GtkWidget *widget, cairo_t *crf, gpointer user_data)
static void	illum_xy_callback (GtkWidget *slider, gpointer user_data)
void	init_pipe (struct dt_iop_module_t *self, dt_dev_pixelpipe_t *pipe, dt_dev_pixelpipe_iop_t *piece)
void	cleanup_pipe (struct dt_iop_module_t *self, dt_dev_pixelpipe_t *pipe, dt_dev_pixelpipe_iop_t *piece)
void	gui_reset (dt_iop_module_t *self)
void	gui_update (struct dt_iop_module_t *self)
void	init (dt_iop_module_t *module)
void	reload_defaults (dt_iop_module_t *module)
static void	_spot_settings_changed_callback (GtkWidget *slider, dt_iop_module_t *self)
void	gui_changed (dt_iop_module_t *self, GtkWidget *w, void *previous)
void	color_picker_apply (dt_iop_module_t *self, GtkWidget *picker, dt_dev_pixelpipe_iop_t *piece)
void	gui_init (struct dt_iop_module_t *self)
void	gui_cleanup (struct dt_iop_module_t *self)

Macro Definition Documentation

CHANNEL_SIZE

#define CHANNEL_SIZE   4

Note : we use finite-math-only and fast-math because divisions by zero are manually avoided in the code fp-contract=fast enables hardware-accelerated Fused Multiply-Add the rest is loop reorganization and vectorization optimization

CHROMA_MAX

#define CHROMA_MAX   128.0

COLOR_MAX

#define COLOR_MAX   2.0

COLOR_MIN

#define COLOR_MIN   -2.0

DEG_TO_RAD

#define DEG_TO_RAD

(

x

)

(x * M_PI / 180.f)

GET_WEIGHT

#define GET_WEIGHT

Value:

      float hue = atan2f(reference[2], reference[1]);             \
      const float chroma = hypotf(reference[2], reference[1]);    \
      float delta_hue = hue - ref_hue;                            \
      if(chroma == 0.f)                                           \
        delta_hue = 0.f;                                          \
      else if(fabsf(delta_hue) <= M_PI)                           \
        ;                                                         \
      else if(fabsf(delta_hue) > M_PI && (hue <= ref_hue))        \
        delta_hue += 2.f * M_PI;                                  \
      else if(fabsf(delta_hue) > M_PI && (hue > ref_hue))         \
        delta_hue -= 2.f * M_PI;                                  \
      w = sqrtf(expf(-sqf(delta_hue) / 2.f));

HUE_MAX

#define HUE_MAX   360.0

ILLUM_X_MAX

#define ILLUM_X_MAX   360.0

ILLUM_Y_MAX

#define ILLUM_Y_MAX   300.0

INVERSE_SQRT_3

#define INVERSE_SQRT_3   0.5773502691896258f

LIGHTNESS_MAX

#define LIGHTNESS_MAX   100.0

NOTEBOOK_PAGE

#define NOTEBOOK_PAGE	(		var,
			short,
			label,
			tooltip,
			section,
			swap
	)

Value:

  self->widget = dt_ui_notebook_page(g->notebook, label, _(tooltip));         \
                                                                              \
  first = dt_bauhaus_slider_from_params(self, swap ? #var "[2]" : #var "[0]");\
  dt_bauhaus_slider_set_digits(first, 3);                                     \
  dt_bauhaus_widget_set_label(first, N_("input R"));                 \
                                                                              \
  second = dt_bauhaus_slider_from_params(self, #var "[1]");                   \
  dt_bauhaus_slider_set_digits(second, 3);                                    \
  dt_bauhaus_widget_set_label(second, N_("input G"));                \
                                                                              \
  third = dt_bauhaus_slider_from_params(self, swap ? #var "[0]" : #var "[2]");\
  dt_bauhaus_slider_set_digits(third, 3);                                     \
  dt_bauhaus_widget_set_label(third, N_("input B"));                 \
                                                                              \
  g->scale_##var##_R = swap ? third : first;                                  \
  g->scale_##var##_G = second;                                                \
  g->scale_##var##_B = swap ? first : third;                                  \
                                                                              \
  g->normalize_##short = dt_bauhaus_toggle_from_params(self, "normalize_" #short);

OFF

#define OFF   4

RAD_TO_DEG

#define RAD_TO_DEG

(

x

)

(x * 180.f / M_PI)

SHF

#define SHF	(		ii,
			jj,
			c
	)		((i + ii) * width + j + jj) * ch + c

TEMP_MAX

#define TEMP_MAX   25000.

TEMP_MIN

#define TEMP_MIN   1667.

Typedef Documentation

dt_iop_channelmixer_rbg_data_t

typedef struct dt_iop_channelmixer_rbg_data_t dt_iop_channelmixer_rbg_data_t

dt_iop_channelmixer_rgb_global_data_t

typedef struct dt_iop_channelmixer_rgb_global_data_t dt_iop_channelmixer_rgb_global_data_t

dt_iop_channelmixer_rgb_gui_data_t

typedef struct dt_iop_channelmixer_rgb_gui_data_t dt_iop_channelmixer_rgb_gui_data_t

dt_iop_channelmixer_rgb_params_t

typedef struct dt_iop_channelmixer_rgb_params_t dt_iop_channelmixer_rgb_params_t

dt_iop_channelmixer_rgb_version_t

typedef enum dt_iop_channelmixer_rgb_version_t dt_iop_channelmixer_rgb_version_t

dt_solving_strategy_t

typedef enum dt_solving_strategy_t dt_solving_strategy_t

dt_spot_mode_t

typedef enum dt_spot_mode_t dt_spot_mode_t

Enumeration Type Documentation

dt_iop_channelmixer_rgb_version_t

enum dt_iop_channelmixer_rgb_version_t

Enumerator
CHANNELMIXERRGB_V_1
CHANNELMIXERRGB_V_2
CHANNELMIXERRGB_V_3

dt_solving_strategy_t

enum dt_solving_strategy_t

Enumerator
DT_SOLVE_OPTIMIZE_NONE
DT_SOLVE_OPTIMIZE_LOW_SAT
DT_SOLVE_OPTIMIZE_HIGH_SAT
DT_SOLVE_OPTIMIZE_SKIN
DT_SOLVE_OPTIMIZE_FOLIAGE
DT_SOLVE_OPTIMIZE_SKY
DT_SOLVE_OPTIMIZE_AVG_DELTA_E
DT_SOLVE_OPTIMIZE_MAX_DELTA_E

dt_spot_mode_t

enum dt_spot_mode_t

Enumerator
DT_SPOT_MODE_CORRECT
DT_SPOT_MODE_MEASURE
DT_SPOT_MODE_LAST

Function Documentation

_auto_set_illuminant()

void _auto_set_illuminant	(	dt_iop_module_t *	self,
		dt_dev_pixelpipe_t *	pipe
	)

References check_if_close_to_daylight(), chroma_adapt_pixel(), convert_any_LMS_to_XYZ(), convert_any_XYZ_to_LMS(), convert_D50_to_LMS(), darktable, dt_iop_module_t::dev, darktable_t::develop, dot_product(), dt_bauhaus_combobox_get(), dt_bauhaus_combobox_set(), dt_bauhaus_slider_get(), dt_bauhaus_slider_set(), dt_conf_set_bool(), dt_conf_set_float(), dt_dev_add_history_item, DT_ILLUMINANT_CAMERA, DT_ILLUMINANT_CUSTOM, dt_iop_gui_enter_critical_section(), dt_iop_gui_leave_critical_section(), dt_ioppr_get_pipe_work_profile_info(), dt_Lab_2_LCH(), dt_Lab_to_XYZ(), dt_LCH_2_Lab(), DT_SPOT_MODE_CORRECT, DT_SPOT_MODE_MEASURE, dt_xyY_to_Lch(), dt_XYZ_to_Lab(), dt_XYZ_to_sRGB(), get_white_balance_coeff(), darktable_t::gui, dt_iop_module_t::gui_data, illuminant_to_xy(), illuminant_xy_to_XYZ(), dt_develop_t::image_storage, Lab(), M_PI, matrice_pseudoinverse(), dt_iop_order_iccprofile_info_t::matrix_in, NORM_MIN, pack_3xSSE_to_3x3(), paint_hue(), paint_temperature_background(), dt_iop_module_t::params, dt_iop_module_t::picked_color, dt_iop_module_t::picked_color_max, dt_iop_module_t::picked_color_min, dt_gui_gtk_t::reset, transpose_3x3_to_3xSSE(), TRUE, update_approx_cct(), update_illuminant_color(), and update_illuminants().

Referenced by _spot_settings_changed_callback(), and color_picker_apply().

_convert_GUI_colors()

static void _convert_GUI_colors ( dt_iop_channelmixer_rgb_params_t *  p, const struct dt_iop_order_iccprofile_info_t *const  work_profile, const dt_aligned_pixel_t  LMS, dt_aligned_pixel_t  RGB  )

static

References convert_any_LMS_to_RGB(), DT_ADAPTATION_RGB, dt_ioppr_rgb_matrix_to_xyz(), dt_XYZ_to_Rec709_D65(), dt_iop_order_iccprofile_info_t::lut_in, dt_iop_order_iccprofile_info_t::lutsize, dt_iop_order_iccprofile_info_t::matrix_in_transposed, and dt_iop_order_iccprofile_info_t::nonlinearlut.

Referenced by _update_RGB_slider_stop().

_develop_ui_pipe_finished_callback()

static void _develop_ui_pipe_finished_callback ( gpointer  instance, gpointer  user_data  )

static

References check_if_close_to_daylight(), darktable, darktable_t::develop, dt_bauhaus_combobox_set(), dt_bauhaus_slider_set(), dt_dev_add_history_item, DT_ILLUMINANT_DETECT_EDGES, DT_ILLUMINANT_DETECT_SURFACES, dt_iop_gui_enter_critical_section(), dt_iop_gui_leave_critical_section(), dt_xyY_to_Lch(), darktable_t::gui, gui_changed(), dt_iop_module_t::gui_data, M_PI, paint_temperature_background(), dt_iop_module_t::params, dt_gui_gtk_t::reset, TRUE, update_approx_cct(), update_illuminant_color(), and update_illuminants().

Referenced by gui_cleanup(), and gui_init().

_extract_patches()

static const extraction_result_t _extract_patches ( const float *const restrict  in, const dt_iop_roi_t *const  roi_in, dt_iop_channelmixer_rgb_gui_data_t *  g, const dt_colormatrix_t  RGB_to_XYZ, const dt_colormatrix_t  XYZ_to_CAM, float *const restrict  patches, const gboolean  normalize_exposure  )

static

References apply_homography(), darktable, darktable_t::develop, dot_product(), dt_alloc_sse_ps(), dt_dev_exposure_get_black(), dt_dev_exposure_get_exposure(), dt_Lab_to_XYZ(), euclidean_norm(), height, dt_iop_roi_t::height, sqf(), width, dt_iop_roi_t::width, point_t::x, and point_t::y.

Referenced by extract_color_checker(), and validate_color_checker().

_is_another_module_cat_on_pipe()

static gboolean _is_another_module_cat_on_pipe ( struct dt_iop_module_t *  self )

inlinestatic

References dt_develop_t::chroma_adaptation, dt_iop_module_t::dev, FALSE, dt_iop_module_t::gui_data, and dt_develop_t::proxy.

_preview_pipe_finished_callback()

static void _preview_pipe_finished_callback ( gpointer  instance, gpointer  user_data  )

static

References dt_iop_gui_enter_critical_section(), dt_iop_gui_leave_critical_section(), and dt_iop_module_t::gui_data.

Referenced by gui_cleanup(), and gui_init().

_spot_settings_changed_callback()

static void _spot_settings_changed_callback ( GtkWidget *  slider, dt_iop_module_t *  self  )

static

References _auto_set_illuminant(), darktable, darktable_t::develop, dt_bauhaus_combobox_get(), dt_bauhaus_slider_get(), dt_conf_set_bool(), dt_conf_set_float(), dt_iop_gui_enter_critical_section(), dt_iop_gui_leave_critical_section(), DT_SPOT_MODE_CORRECT, darktable_t::gui, dt_iop_module_t::gui_data, paint_hue(), dt_develop_t::pipe, and dt_gui_gtk_t::reset.

Referenced by gui_init().

_update_RGB_colors()

static void _update_RGB_colors ( dt_iop_module_t *  self, float  r, float  g, float  b, gboolean  normalize, float *  a, GtkWidget *  w_r, GtkWidget *  w_g, GtkWidget *  w_b  )

static

References _update_RGB_slider_stop(), COLOR_MAX, COLOR_MIN, dt_iop_module_t::dev, DT_BAUHAUS_SLIDER_MAX_STOPS, dt_ioppr_get_pipe_output_profile_info(), normalize(), dt_iop_module_t::params, and dt_develop_t::pipe.

Referenced by gui_changed().

_update_RGB_slider_stop()

static void _update_RGB_slider_stop ( dt_iop_channelmixer_rgb_params_t *  p, const struct dt_iop_order_iccprofile_info_t *const  work_profile, GtkWidget *  w, float  stop, float  c, float  r, float  g, float  b  )

static

References _convert_GUI_colors(), and dt_bauhaus_slider_set_stop().

Referenced by _update_RGB_colors().

aliases()

const char * aliases

(

)

auto_detect_WB()

static void auto_detect_WB ( const float *const restrict  in, dt_illuminant_t  illuminant, const size_t  width, const size_t  height, const size_t  ch, const dt_colormatrix_t  RGB_to_XYZ, dt_aligned_pixel_t  xyz  )

inlinestatic

Detect the chromaticity of the illuminant based on the grey edges hypothesis. So we compute a laplacian filter and get the weighted average of its chromaticities

Inspired by : A Fast White Balance Algorithm Based on Pixel Greyness, Ba Thai·Guang Deng·Robert Ross https://www.researchgate.net/profile/Ba_Son_Thai/publication/308692177_A_Fast_White_Balance_Algorithm_Based_on_Pixel_Greyness/

Edge-Based Color Constancy, Joost van de Weijer, Theo Gevers, Arjan Gijsenij https://hal.inria.fr/inria-00548686/document

References dot_product(), DT_ALIGNED_PIXEL, dt_alloc_sse_ps(), dt_fast_hypotf(), dt_free_align, DT_ILLUMINANT_DETECT_EDGES, DT_ILLUMINANT_DETECT_SURFACES, for_each_channel, height, NORM_MIN, OFF, SHF, sqf(), weight(), and width.

Referenced by process().

button_pressed()

int button_pressed	(	struct dt_iop_module_t *	self,
		double	x,
		double	y,
		double	pressure,
		int	which,
		int	type,
		uint32_t	state
	)

References dt_dev_pixelpipe_t::backbuf_height, dt_dev_pixelpipe_t::backbuf_width, dt_iop_module_t::dev, dt_control_queue_redraw_center(), dt_dev_get_pointer_zoom_pos(), dt_iop_gui_enter_critical_section(), dt_iop_gui_leave_critical_section(), dt_iop_module_t::enabled, FALSE, dt_iop_module_t::gui_data, init_bounding_box(), dt_develop_t::preview_pipe, TRUE, and type.

button_released()

int button_released	(	struct dt_iop_module_t *	self,
		double	x,
		double	y,
		int	which,
		uint32_t	state
	)

References dt_dev_pixelpipe_t::backbuf_height, dt_dev_pixelpipe_t::backbuf_width, dt_iop_module_t::dev, dt_control_queue_redraw_center(), dt_dev_get_pointer_zoom_pos(), dt_iop_gui_enter_critical_section(), dt_iop_gui_leave_critical_section(), dt_iop_module_t::enabled, FALSE, dt_iop_module_t::gui_data, dt_develop_t::preview_pipe, and update_bounding_box().

check_if_close_to_daylight()

static void check_if_close_to_daylight ( const float  x, const float  y, float *  temperature, dt_illuminant_t *  illuminant, dt_adaptation_t *  adaptation  )

static

References CCT_reverse_lookup(), DT_ADAPTATION_CAT16, dt_fast_hypotf(), DT_ILLUMINANT_BB, DT_ILLUMINANT_CUSTOM, DT_ILLUMINANT_D, DT_ILLUMINANT_FLUO_LAST, DT_ILLUMINANT_LED_LAST, illuminant_to_xy(), xy_to_CCT(), and xy_to_uv().

Referenced by _auto_set_illuminant(), _develop_ui_pipe_finished_callback(), commit_params(), commit_profile_callback(), extract_color_checker(), gui_changed(), reload_defaults(), and update_approx_cct().

checker_changed_callback()

static void checker_changed_callback ( GtkWidget *  widget, gpointer  user_data  )

static

References dt_dev_pixelpipe_t::backbuf_height, dt_dev_pixelpipe_t::backbuf_width, darktable, dt_iop_module_t::dev, dt_bauhaus_combobox_get(), dt_conf_set_int(), dt_control_queue_redraw_center(), dt_get_color_checker(), dt_iop_gui_enter_critical_section(), dt_iop_gui_leave_critical_section(), FALSE, darktable_t::gui, dt_iop_module_t::gui_data, init_bounding_box(), dt_develop_t::preview_pipe, and dt_gui_gtk_t::reset.

Referenced by gui_init().

cleanup_pipe()

void cleanup_pipe	(	struct dt_iop_module_t *	self,
		dt_dev_pixelpipe_t *	pipe,
		dt_dev_pixelpipe_iop_t *	piece
	)

References dt_develop_t::chroma_adaptation, dt_dev_pixelpipe_iop_t::data, dt_iop_module_t::dev, dt_free_align, and dt_develop_t::proxy.

color_picker_apply()

void color_picker_apply	(	dt_iop_module_t *	self,
		GtkWidget *	picker,
		dt_dev_pixelpipe_iop_t *	piece
	)

References _auto_set_illuminant(), darktable, darktable_t::gui, dt_dev_pixelpipe_iop_t::pipe, and dt_gui_gtk_t::reset.

commit_params()

void commit_params	(	struct dt_iop_module_t *	self,
		dt_iop_params_t *	p1,
		dt_dev_pixelpipe_t *	pipe,
		dt_dev_pixelpipe_iop_t *	piece
	)

References dt_iop_channelmixer_rbg_data_t::adaptation, dt_iop_channelmixer_rbg_data_t::apply_grey, CHANNEL_SIZE, CHANNELMIXERRGB_V_1, check_if_close_to_daylight(), dt_iop_channelmixer_rbg_data_t::clip, convert_any_XYZ_to_LMS(), dt_dev_pixelpipe_iop_t::data, dt_iop_module_t::dev, DT_DEV_PIXELPIPE_FULL, DT_DEV_PIXELPIPE_PREVIEW, DT_ILLUMINANT_CAMERA, DT_ILLUMINANT_DETECT_EDGES, DT_ILLUMINANT_DETECT_SURFACES, dt_iop_channelmixer_rbg_data_t::gamut, get_white_balance_coeff(), dt_iop_channelmixer_rbg_data_t::grey, dt_develop_t::gui_attached, dt_iop_module_t::gui_data, dt_iop_channelmixer_rbg_data_t::illuminant, illuminant_to_xy(), dt_iop_channelmixer_rbg_data_t::illuminant_type, illuminant_xy_to_XYZ(), dt_develop_t::image_storage, dt_iop_channelmixer_rbg_data_t::lightness, dt_iop_channelmixer_rbg_data_t::MIX, dt_iop_channelmixer_rbg_data_t::p, dt_dev_pixelpipe_iop_t::pipe, dt_dev_pixelpipe_iop_t::process_cl_ready, dt_iop_channelmixer_rbg_data_t::saturation, and dt_iop_channelmixer_rbg_data_t::version.

commit_profile_callback()

static void commit_profile_callback ( GtkWidget *  widget, GdkEventButton *  event, gpointer  user_data  )

static

References check_if_close_to_daylight(), darktable, darktable_t::develop, dt_bauhaus_combobox_set(), dt_bauhaus_slider_set(), dt_dev_add_history_item, DT_ILLUMINANT_CUSTOM, dt_iop_gui_enter_critical_section(), dt_iop_gui_leave_critical_section(), dt_xyY_to_Lch(), darktable_t::gui, gui_changed(), dt_iop_module_t::gui_data, M_PI, dt_iop_module_t::params, dt_gui_gtk_t::reset, and TRUE.

Referenced by gui_init().

compute_patches_delta_E()

static void compute_patches_delta_E ( const float *const restrict  patches, const dt_color_checker_t *const  checker, float *const restrict  delta_E, float *const restrict  avg_delta_E, float *const restrict  max_delta_E  )

inlinestatic

References DEG_TO_RAD, dt_fast_hypotf(), dt_XYZ_to_Lab(), dt_color_checker_patch::Lab, M_PI, dt_color_checker_t::patches, RAD_TO_DEG, sqf(), and dt_color_checker_t::values.

Referenced by extract_color_checker(), and validate_color_checker().

declare_cat_on_pipe()

static void declare_cat_on_pipe ( struct dt_iop_module_t *  self, gboolean  preset  )

static

References dt_develop_t::chroma_adaptation, dt_iop_module_t::dev, DT_ADAPTATION_RGB, DT_ILLUMINANT_PIPE, dt_iop_is_first_instance(), dt_iop_module_t::enabled, dt_develop_t::iop, dt_iop_module_t::params, preset, and dt_develop_t::proxy.

Referenced by gui_changed(), process(), and reload_defaults().

default_colorspace()

int default_colorspace	(	dt_iop_module_t *	self,
		dt_dev_pixelpipe_t *	pipe,
		dt_dev_pixelpipe_iop_t *	piece
	)

References IOP_CS_RGB.

default_group()

int default_group

(

)

References IOP_GROUP_COLOR.

description()

const char ** description

(

struct dt_iop_module_t *

self

)

References dt_iop_set_description().

extract_color_checker()

void extract_color_checker	(	const float *const restrict	in,
		float *const restrict	out,
		const dt_iop_roi_t *const	roi_in,
		dt_iop_channelmixer_rgb_gui_data_t *	g,
		const dt_colormatrix_t	RGB_to_XYZ,
		const dt_colormatrix_t	XYZ_to_RGB,
		const dt_colormatrix_t	XYZ_to_CAM,
		const dt_adaptation_t	kind
	)

References _extract_patches(), A, extraction_result_t::black, bradford_adapt_D50(), CAT16_adapt_D50(), check_if_close_to_daylight(), compute_patches_delta_E(), convert_any_LMS_to_XYZ(), convert_any_XYZ_to_LMS(), dot_product(), downscale_vector(), DT_ADAPTATION_CAT16, DT_ADAPTATION_FULL_BRADFORD, DT_ADAPTATION_LAST, DT_ADAPTATION_LINEAR_BRADFORD, DT_ADAPTATION_RGB, DT_ADAPTATION_XYZ, dt_alloc_align, dt_alloc_sse_ps(), dt_free_align, DT_ILLUMINANT_BB, DT_ILLUMINANT_D, dt_Lab_to_XYZ(), dt_simd_memcpy(), DT_SOLVE_OPTIMIZE_AVG_DELTA_E, DT_SOLVE_OPTIMIZE_FOLIAGE, DT_SOLVE_OPTIMIZE_HIGH_SAT, DT_SOLVE_OPTIMIZE_LOW_SAT, DT_SOLVE_OPTIMIZE_MAX_DELTA_E, DT_SOLVE_OPTIMIZE_NONE, DT_SOLVE_OPTIMIZE_SKIN, DT_SOLVE_OPTIMIZE_SKY, dt_XYZ_to_xyY(), extraction_result_t::exposure, FALSE, GET_WEIGHT, dt_iop_roi_t::height, illuminant_xy_to_XYZ(), pseudo_solve_gaussian(), repack_double3x3_to_3xSSE(), TRUE, upscale_vector(), dt_iop_roi_t::width, and XYZ_adapt_D50().

Referenced by process().

flags()

int flags

(

)

References IOP_FLAGS_ALLOW_TILING, IOP_FLAGS_INCLUDE_IN_STYLES, and IOP_FLAGS_SUPPORTS_BLENDING.

gamut_mapping()

static void gamut_mapping ( const dt_aligned_pixel_t  input, const float  compression, const int  clip, dt_aligned_pixel_t  output  )

inlinestatic

References DT_ALIGNED_PIXEL, DT_FMA, dt_uvY_to_xyY(), dt_xyY_to_uvY(), dt_xyY_to_XYZ(), NORM_MIN, and sqf().

Referenced by loop_switch().

get_white_balance_coeff()

static int get_white_balance_coeff ( struct dt_iop_module_t *  self, dt_aligned_pixel_t  custom_wb  )

static

References dt_image_t::adobe_XYZ_to_CAM, dt_image_t::d65_color_matrix, dt_iop_module_t::dev, dt_colorspaces_conversion_matrices_rgb(), dt_image_is_matrix_correction_supported(), dt_develop_t::image_storage, dt_develop_t::proxy, and dt_develop_t::wb_coeffs.

Referenced by _auto_set_illuminant(), commit_params(), gui_changed(), illuminant_color_draw(), process(), reload_defaults(), and update_approx_cct().

gui_changed()

void gui_changed	(	dt_iop_module_t *	self,
		GtkWidget *	w,
		void *	previous
	)

References _update_RGB_colors(), check_if_close_to_daylight(), darktable, declare_cat_on_pipe(), dt_iop_module_t::dev, dt_bauhaus_slider_set(), dt_control_log(), DT_ILLUMINANT_BB, DT_ILLUMINANT_CAMERA, DT_ILLUMINANT_CUSTOM, DT_ILLUMINANT_D, DT_ILLUMINANT_DETECT_EDGES, DT_ILLUMINANT_DETECT_SURFACES, dt_xyY_to_Lch(), FALSE, find_temperature_from_raw_coeffs(), get_white_balance_coeff(), darktable_t::gui, dt_iop_module_t::gui_data, illuminant_to_xy(), dt_develop_t::image_storage, M_PI, paint_hue(), paint_temperature_background(), dt_iop_module_t::params, dt_gui_gtk_t::reset, update_approx_cct(), update_illuminant_color(), and update_illuminants().

Referenced by _develop_ui_pipe_finished_callback(), commit_profile_callback(), gui_reset(), gui_update(), and reload_defaults().

gui_cleanup()

void gui_cleanup

(

struct dt_iop_module_t *

self

)

References _develop_ui_pipe_finished_callback(), _preview_pipe_finished_callback(), darktable, dt_conf_set_int(), DT_DEBUG_CONTROL_SIGNAL_DISCONNECT, dt_free_align, DT_REQUEST_COLORPICK_OFF, dt_iop_module_t::gui_data, IOP_GUI_FREE, dt_iop_module_t::request_color_pick, and darktable_t::signals.

gui_init()

void gui_init

(

struct dt_iop_module_t *

self

)

References _develop_ui_pipe_finished_callback(), _preview_pipe_finished_callback(), _spot_settings_changed_callback(), B, darktable_t::bauhaus, checker_changed_callback(), CHROMA_MAX, commit_profile_callback(), darktable, dt_bauhaus_combobox_from_params(), DT_BAUHAUS_COMBOBOX_NEW_FULL, dt_bauhaus_slider_from_params(), dt_bauhaus_slider_new_with_range(), dt_bauhaus_slider_new_with_range_and_feedback(), dt_bauhaus_slider_set_default(), dt_bauhaus_slider_set_digits(), dt_bauhaus_slider_set_format(), dt_bauhaus_slider_set_hard_max(), dt_bauhaus_slider_set_soft_max(), dt_bauhaus_slider_set_soft_range(), DT_BAUHAUS_SPACE, dt_bauhaus_toggle_from_params(), dt_bauhaus_widget_set_label(), DT_COLOR_PICKER_AREA, dt_color_picker_new(), dt_conf_get_int(), DT_DEBUG_CONTROL_SIGNAL_CONNECT, DT_GUI_MODULE, dt_gui_new_collapsible_section(), DT_PIXEL_APPLY_DPI, DT_SIGNAL_DEVELOP_PREVIEW_PIPE_FINISHED, DT_SIGNAL_DEVELOP_UI_PIPE_FINISHED, dt_ui_label_new(), dt_ui_notebook_new(), dt_ui_notebook_page(), dt_ui_section_label_new(), dtgtk_button_new(), dtgtk_cairo_paint_check_mark(), dtgtk_cairo_paint_refresh(), dtgtk_cairo_paint_softproof(), FALSE, dt_iop_order_iccprofile_info_t::grey, HUE_MAX, ILLUM_X_MAX, illum_xy_callback(), ILLUM_Y_MAX, illuminant_color_draw(), IOP_GUI_ALLOC, LIGHTNESS_MAX, NOTEBOOK_PAGE, optimize_changed_callback(), origin_color_draw(), dt_bauhaus_t::quad_width, R, run_profile_callback(), run_validation_callback(), safety_changed_callback(), darktable_t::signals, start_profiling_callback(), target_color_draw(), TRUE, and dt_iop_module_t::widget.

gui_post_expose()

void gui_post_expose	(	struct dt_iop_module_t *	self,
		cairo_t *	cr,
		int32_t	width,
		int32_t	height,
		int32_t	pointerx,
		int32_t	pointery
	)

References apply_homography(), apply_homography_scaling(), dt_dev_pixelpipe_t::backbuf_height, dt_dev_pixelpipe_t::backbuf_width, dt_iop_module_t::dev, dt_control_get_dev_closeup(), dt_control_get_dev_zoom(), dt_control_get_dev_zoom_x(), dt_control_get_dev_zoom_y(), dt_dev_get_zoom_scale(), dt_ioppr_get_pipe_output_profile_info(), dt_ioppr_lab_to_rgb_matrix(), dt_iop_module_t::gui_data, height, dt_iop_order_iccprofile_info_t::lut_out, dt_iop_order_iccprofile_info_t::lutsize, M_PI, dt_iop_order_iccprofile_info_t::matrix_out_transposed, dt_iop_order_iccprofile_info_t::nonlinearlut, dt_develop_t::pipe, dt_develop_t::preview_pipe, width, point_t::x, and point_t::y.

gui_reset()

void gui_reset

(

dt_iop_module_t *

self

)

References dt_iop_color_picker_reset(), FALSE, gui_changed(), dt_iop_module_t::gui_data, and TRUE.

gui_update()

void gui_update

(

struct dt_iop_module_t *

self

)

References CHANNELMIXERRGB_V_3, dt_bauhaus_combobox_set(), dt_bauhaus_slider_set(), dt_conf_get_bool(), dt_conf_get_float(), dt_conf_get_int(), dt_conf_key_exists(), dt_get_color_checker(), dt_gui_hide_collapsible_section(), dt_gui_update_collapsible_section(), dt_iop_color_picker_reset(), dt_iop_gui_enter_critical_section(), dt_iop_gui_leave_critical_section(), DT_SPOT_MODE_CORRECT, FALSE, gui_changed(), dt_iop_module_t::gui_data, and TRUE.

illum_xy_callback()

static void illum_xy_callback ( GtkWidget *  slider, gpointer  user_data  )

static

References CCT_reverse_lookup(), darktable, darktable_t::develop, dt_bauhaus_slider_get(), dt_bauhaus_slider_set(), dt_dev_add_history_item, dt_Lch_to_xyY(), darktable_t::gui, dt_iop_module_t::gui_data, M_PI, paint_temperature_background(), dt_iop_module_t::params, dt_gui_gtk_t::reset, TRUE, update_approx_cct(), update_illuminant_color(), and xy_to_CCT().

Referenced by gui_init().

illuminant_color_draw()

static gboolean illuminant_color_draw ( GtkWidget *  widget, cairo_t *  crf, gpointer  user_data  )

static

References dt_iop_module_t::dev, dt_cairo_image_surface_create(), DT_PIXEL_APPLY_DPI, get_white_balance_coeff(), height, illuminant_to_xy(), illuminant_xy_to_RGB(), dt_develop_t::image_storage, INNER_PADDING, INTERNAL_PADDING, dt_iop_module_t::params, TRUE, and width.

Referenced by gui_init().

init()

void init

(

dt_iop_module_t *

module

)

References dt_iop_channelmixer_rgb_params_t::blue, dt_iop_module_t::default_params, dt_iop_default_init(), dt_iop_channelmixer_rgb_params_t::green, and dt_iop_channelmixer_rgb_params_t::red.

init_bounding_box()

static void init_bounding_box ( dt_iop_channelmixer_rgb_gui_data_t *  g, const float  width, const float  height  )

inlinestatic

References TRUE, update_bounding_box(), and width.

Referenced by button_pressed(), checker_changed_callback(), and start_profiling_callback().

init_pipe()

void init_pipe	(	struct dt_iop_module_t *	self,
		dt_dev_pixelpipe_t *	pipe,
		dt_dev_pixelpipe_iop_t *	piece
	)

References dt_dev_pixelpipe_iop_t::data, dt_dev_pixelpipe_iop_t::data_size, and dt_calloc_align().

init_presets()

void init_presets

(

dt_iop_module_so_t *

self

)

References CHANNELMIXERRGB_V_3, DEVELOP_BLEND_CS_RGB_SCENE, DT_ADAPTATION_RGB, DT_ADAPTATION_XYZ, dt_gui_presets_add_generic(), DT_ILLUMINANT_FLUO_F3, DT_ILLUMINANT_FLUO_LAST, DT_ILLUMINANT_LED_B5, DT_ILLUMINANT_LED_LAST, DT_ILLUMINANT_PIPE, FALSE, illuminant_to_xy(), dt_iop_module_so_t::op, and TRUE.

legacy_params()

int legacy_params	(	dt_iop_module_t *	self,
		const void *const	old_params,
		const int	old_version,
		void *	new_params,
		const int	new_version
	)

References B, CHANNEL_SIZE, CHANNELMIXERRGB_V_1, dt_iop_channelmixer_rgb_params_t::normalize_grey, R, dt_iop_channelmixer_rgb_params_t::saturation, TRUE, and dt_iop_channelmixer_rgb_params_t::version.

loop_switch()

static void loop_switch ( const float *const restrict  in, float *const restrict  out, const size_t  width, const size_t  height, const size_t  ch, const dt_colormatrix_t  XYZ_to_RGB, const dt_colormatrix_t  RGB_to_XYZ, const dt_colormatrix_t  MIX, const dt_aligned_pixel_t  illuminant, const dt_aligned_pixel_t  saturation, const dt_aligned_pixel_t  lightness, const dt_aligned_pixel_t  grey, const float  p, const float  gamut, const int  clip, const int  apply_grey, const dt_adaptation_t  kind, const dt_iop_channelmixer_rgb_version_t  version  )

inlinestatic

References bradford_adapt_D50(), CAT16_adapt_D50(), convert_any_LMS_to_XYZ(), convert_any_XYZ_to_LMS(), convert_bradford_LMS_to_XYZ(), convert_CAT16_LMS_to_XYZ(), convert_XYZ_to_bradford_LMS(), convert_XYZ_to_CAT16_LMS(), dot_product(), 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, gamut_mapping(), height, luma_chroma(), scalar_product(), TRUE, upscale_vector(), width, and XYZ_adapt_D50().

Referenced by process().

luma_chroma()

static void luma_chroma ( const dt_aligned_pixel_t  input, const dt_aligned_pixel_t  saturation, const dt_aligned_pixel_t  lightness, dt_aligned_pixel_t  output, const dt_iop_channelmixer_rgb_version_t  version  )

inlinestatic

References CHANNELMIXERRGB_V_1, CHANNELMIXERRGB_V_3, DT_FMA, euclidean_norm(), INVERSE_SQRT_3, mix(), NORM_MIN, scalar_product(), and sqf().

Referenced by loop_switch().

mouse_moved()

int mouse_moved	(	struct dt_iop_module_t *	self,
		double	x,
		double	y,
		double	pressure,
		int	which
	)

References dt_dev_pixelpipe_t::backbuf_height, dt_dev_pixelpipe_t::backbuf_width, darktable, dt_iop_module_t::dev, dt_control_change_cursor(), dt_control_queue_redraw_center(), dt_dev_get_pointer_zoom_pos(), dt_iop_gui_enter_critical_section(), dt_iop_gui_leave_critical_section(), dt_ui_main_window(), dt_iop_module_t::enabled, FALSE, darktable_t::gui, dt_iop_module_t::gui_data, dt_develop_t::preview_pipe, TRUE, dt_gui_gtk_t::ui, and update_bounding_box().

name()

const char * name

(

)

optimize_changed_callback()

static void optimize_changed_callback ( GtkWidget *  widget, gpointer  user_data  )

static

References darktable, dt_bauhaus_combobox_get(), dt_conf_set_int(), dt_iop_gui_enter_critical_section(), dt_iop_gui_leave_critical_section(), darktable_t::gui, dt_iop_module_t::gui_data, and dt_gui_gtk_t::reset.

Referenced by gui_init().

origin_color_draw()

static gboolean origin_color_draw ( GtkWidget *  widget, cairo_t *  crf, gpointer  user_data  )

static

References dt_cairo_image_surface_create(), DT_PIXEL_APPLY_DPI, dt_iop_module_t::gui_data, height, INNER_PADDING, INTERNAL_PADDING, TRUE, and width.

Referenced by gui_init().

paint_hue()

static void paint_hue ( dt_iop_module_t *  self )

static

References CHROMA_MAX, dt_bauhaus_slider_get(), DT_BAUHAUS_SLIDER_MAX_STOPS, dt_bauhaus_slider_set_stop(), dt_Lab_to_XYZ(), dt_LCH_2_Lab(), dt_XYZ_to_sRGB(), dt_iop_module_t::gui_data, HUE_MAX, Lab(), and LIGHTNESS_MAX.

Referenced by _auto_set_illuminant(), _spot_settings_changed_callback(), and gui_changed().

paint_temperature_background()

static void paint_temperature_background ( struct dt_iop_module_t *  self )

static

References DT_BAUHAUS_SLIDER_MAX_STOPS, dt_bauhaus_slider_set_stop(), dt_iop_module_t::gui_data, illuminant_CCT_to_RGB(), TEMP_MAX, and TEMP_MIN.

Referenced by _auto_set_illuminant(), _develop_ui_pipe_finished_callback(), gui_changed(), and illum_xy_callback().

process()

void process	(	struct dt_iop_module_t *	self,
		dt_dev_pixelpipe_iop_t *	piece,
		const void *const restrict	ivoid,
		void *const restrict	ovoid,
		const dt_iop_roi_t *const	roi_in,
		const dt_iop_roi_t *const	roi_out
	)

References dt_iop_channelmixer_rbg_data_t::adaptation, dt_iop_channelmixer_rbg_data_t::apply_grey, auto_detect_WB(), dt_iop_channelmixer_rbg_data_t::clip, dt_dev_pixelpipe_iop_t::colors, convert_any_XYZ_to_LMS(), dt_dev_pixelpipe_iop_t::data, declare_cat_on_pipe(), dt_iop_module_t::dev, DT_ADAPTATION_CAT16, DT_ADAPTATION_FULL_BRADFORD, DT_ADAPTATION_LAST, DT_ADAPTATION_LINEAR_BRADFORD, DT_ADAPTATION_RGB, DT_ADAPTATION_XYZ, dt_control_log(), DT_DEV_PIXELPIPE_FULL, DT_DEV_PIXELPIPE_PREVIEW, DT_ILLUMINANT_CAMERA, DT_ILLUMINANT_DETECT_EDGES, DT_ILLUMINANT_DETECT_SURFACES, dt_iop_gui_enter_critical_section(), dt_iop_gui_leave_critical_section(), dt_iop_have_required_input_format(), dt_iop_image_copy_by_size(), dt_iop_set_cache_bypass(), dt_ioppr_get_pipe_current_profile_info(), dt_ioppr_get_pipe_input_profile_info(), extract_color_checker(), FALSE, find_temperature_from_raw_coeffs(), dt_iop_channelmixer_rbg_data_t::gamut, get_white_balance_coeff(), dt_iop_channelmixer_rbg_data_t::grey, dt_develop_t::gui_attached, dt_iop_module_t::gui_data, dt_iop_roi_t::height, dt_iop_channelmixer_rbg_data_t::illuminant, dt_iop_channelmixer_rbg_data_t::illuminant_type, illuminant_xy_to_XYZ(), dt_develop_t::image_storage, dt_iop_channelmixer_rbg_data_t::lightness, loop_switch(), dt_iop_order_iccprofile_info_t::matrix_in, dt_iop_order_iccprofile_info_t::matrix_out, dt_iop_channelmixer_rbg_data_t::MIX, dt_iop_channelmixer_rbg_data_t::p, dt_dev_pixelpipe_iop_t::pipe, dt_iop_channelmixer_rbg_data_t::saturation, TRUE, validate_color_checker(), dt_iop_channelmixer_rbg_data_t::version, and dt_iop_roi_t::width.

reload_defaults()

void reload_defaults

(

dt_iop_module_t *

module

)

References dt_iop_channelmixer_rgb_params_t::adaptation, check_if_close_to_daylight(), declare_cat_on_pipe(), dt_iop_module_t::default_params, DT_ADAPTATION_RGB, dt_bauhaus_combobox_add_full(), DT_BAUHAUS_COMBOBOX_ALIGN_RIGHT, dt_bauhaus_combobox_length(), dt_bauhaus_combobox_remove_at(), dt_bauhaus_combobox_set_default(), dt_bauhaus_slider_set_default(), dt_conf_is_equal(), DT_ILLUMINANT_CAMERA, DT_ILLUMINANT_PIPE, dt_image_is_matrix_correction_supported(), dt_image_is_monochrome(), dt_xyY_to_Lch(), find_temperature_from_raw_coeffs(), get_white_balance_coeff(), gui_changed(), dt_iop_module_t::gui_data, dt_iop_channelmixer_rgb_params_t::illuminant, M_PI, dt_iop_channelmixer_rgb_params_t::temperature, TRUE, dt_iop_channelmixer_rgb_params_t::x, and dt_iop_channelmixer_rgb_params_t::y.

run_profile_callback()

static void run_profile_callback ( GtkWidget *  widget, GdkEventButton *  event, gpointer  user_data  )

static

References darktable, dt_iop_module_t::dev, dt_dev_pixelpipe_resync_preview(), dt_dev_refresh_ui_images, dt_iop_gui_enter_critical_section(), dt_iop_gui_leave_critical_section(), dt_iop_set_cache_bypass(), darktable_t::gui, dt_iop_module_t::gui_data, dt_gui_gtk_t::reset, and TRUE.

Referenced by gui_init().

run_validation_callback()

static void run_validation_callback ( GtkWidget *  widget, GdkEventButton *  event, gpointer  user_data  )

static

References darktable, dt_iop_module_t::dev, dt_dev_pixelpipe_resync_preview(), dt_dev_refresh_ui_images, dt_iop_gui_enter_critical_section(), dt_iop_gui_leave_critical_section(), dt_iop_set_cache_bypass(), darktable_t::gui, dt_iop_module_t::gui_data, dt_gui_gtk_t::reset, and TRUE.

Referenced by gui_init().

safety_changed_callback()

static void safety_changed_callback ( GtkWidget *  widget, gpointer  user_data  )

static

References darktable, dt_bauhaus_slider_get(), dt_conf_set_float(), dt_control_queue_redraw_center(), dt_iop_gui_enter_critical_section(), dt_iop_gui_leave_critical_section(), darktable_t::gui, dt_iop_module_t::gui_data, and dt_gui_gtk_t::reset.

Referenced by gui_init().

start_profiling_callback()

static void start_profiling_callback ( GtkWidget *  togglebutton, dt_iop_module_t *  self  )

static

References dt_dev_pixelpipe_t::backbuf_height, dt_dev_pixelpipe_t::backbuf_width, darktable, dt_iop_module_t::dev, dt_control_queue_redraw_center(), dt_iop_gui_enter_critical_section(), dt_iop_gui_leave_critical_section(), dt_iop_request_focus(), darktable_t::gui, dt_iop_module_t::gui_data, init_bounding_box(), dt_iop_module_t::off, dt_develop_t::preview_pipe, dt_gui_gtk_t::reset, and TRUE.

Referenced by gui_init().

target_color_draw()

static gboolean target_color_draw ( GtkWidget *  widget, cairo_t *  crf, gpointer  user_data  )

static

References dt_bauhaus_slider_get(), dt_cairo_image_surface_create(), dt_Lab_to_XYZ(), dt_LCH_2_Lab(), DT_PIXEL_APPLY_DPI, dt_XYZ_to_sRGB(), dt_iop_module_t::gui_data, height, INNER_PADDING, INTERNAL_PADDING, Lab(), TRUE, and width.

Referenced by gui_init().

update_approx_cct()

static void update_approx_cct ( struct dt_iop_module_t *  self )

static

References check_if_close_to_daylight(), dt_iop_module_t::dev, DT_ILLUMINANT_BB, DT_ILLUMINANT_D, get_white_balance_coeff(), dt_iop_module_t::gui_data, illuminant_to_xy(), dt_develop_t::image_storage, and dt_iop_module_t::params.

Referenced by _auto_set_illuminant(), _develop_ui_pipe_finished_callback(), gui_changed(), and illum_xy_callback().

update_bounding_box()

static void update_bounding_box ( dt_iop_channelmixer_rgb_gui_data_t *  g, const float  x_increment, const float  y_increment  )

inlinestatic

References get_homography().

Referenced by button_released(), init_bounding_box(), and mouse_moved().

update_illuminant_color()

static void update_illuminant_color ( struct dt_iop_module_t *  self )

static

References dt_iop_module_t::gui_data, and update_xy_color().

Referenced by _auto_set_illuminant(), _develop_ui_pipe_finished_callback(), gui_changed(), and illum_xy_callback().

update_illuminants()

static void update_illuminants ( struct dt_iop_module_t *  self )

static

References DT_ADAPTATION_LAST, DT_ADAPTATION_RGB, DT_ILLUMINANT_A, DT_ILLUMINANT_BB, DT_ILLUMINANT_CAMERA, DT_ILLUMINANT_CUSTOM, DT_ILLUMINANT_D, DT_ILLUMINANT_DETECT_EDGES, DT_ILLUMINANT_DETECT_SURFACES, DT_ILLUMINANT_E, DT_ILLUMINANT_F, DT_ILLUMINANT_LAST, DT_ILLUMINANT_LED, DT_ILLUMINANT_PIPE, FALSE, dt_iop_module_t::gui_data, dt_iop_module_t::params, and TRUE.

Referenced by _auto_set_illuminant(), _develop_ui_pipe_finished_callback(), and gui_changed().

update_xy_color()

static void update_xy_color ( dt_iop_module_t *  self )

static

DOCUMENTATION

The illuminant is stored in params as a set of x and y coordinates, describing its chrominance in xyY color space. xyY is a normalized XYZ space, derivated from the retina cone sensors. By definition, for an illuminant, Y = 1, so we only really care about (x, y).

Using (x, y) is a robust and interoperable way to describe an illuminant, since it is all the actual pixel code needs to perform the chromatic adaptation. This (x, y) can be computed in many different ways or taken from databases, and possibly from other software, so storing only the result let us room to improve the computation in the future, without losing compatibility with older versions.

However, it's not a great GUI since x and y are not perceptually scaled. So the g->illum_x and g->illum_y actually display respectively hue and chroma, in LCh color space, which is designed for illuminants and preceptually spaced. This gives UI controls which effect feels more even to the user.

But that makes things a bit tricky, API-wise, since a set of (x, y) depends on a set of (hue, chroma), so they always need to be handled together, but also because the back-and-forth computations Lch <-> xyY need to be done anytime we read or write from/to params from/to GUI.

Also, the R, G, B sliders have a background color gradient that shows the actual R, G, B sensors used by the selected chromatic adaptation. Each chromatic adaptation method uses a different RGB space, called LMS in the literature (but it's only a special-purpose RGB space for all we care here), which primaries are projected to sRGB colors, to be displayed in the GUI, so users may get a feeling of what colors they will get.

References DT_BAUHAUS_SLIDER_MAX_STOPS, dt_bauhaus_slider_set_stop(), dt_Lch_to_xyY(), dt_xyY_to_Lch(), dt_iop_module_t::gui_data, ILLUM_X_MAX, ILLUM_Y_MAX, illuminant_xy_to_RGB(), M_PI, and dt_iop_module_t::params.

Referenced by update_illuminant_color().

validate_color_checker()

void validate_color_checker	(	const float *const restrict	in,
		const dt_iop_roi_t *const	roi_in,
		dt_iop_channelmixer_rgb_gui_data_t *	g,
		const dt_colormatrix_t	RGB_to_XYZ,
		const dt_colormatrix_t	XYZ_to_RGB,
		const dt_colormatrix_t	XYZ_to_CAM
	)

References _extract_patches(), extraction_result_t::black, compute_patches_delta_E(), dt_alloc_sse_ps(), dt_free_align, extraction_result_t::exposure, and FALSE.

Referenced by process().