temperature.c File Reference

#include <assert.h>
#include <lcms2.h>
#include <math.h>
#include <stdlib.h>
#include <string.h>
#include "bauhaus/bauhaus.h"
#include "common/colorspaces_inline_conversions.h"
#include "common/darktable.h"
#include "common/opencl.h"
#include "control/control.h"
#include "control/conf.h"
#include "develop/develop.h"
#include "develop/imageop_gui.h"
#include "develop/imageop_math.h"
#include "develop/tiling.h"
#include "dtgtk/expander.h"
#include "external/wb_presets.c"
#include "gui/gtk.h"
#include "gui/color_picker_proxy.h"
#include "iop/iop_api.h"
#include "common/colorspaces.h"
#include "external/cie_colorimetric_tables.c"

Include dependency graph for temperature.c:

Data Structures
struct	dt_iop_temperature_params_t
struct	dt_iop_temperature_gui_data_t
struct	dt_iop_temperature_data_t
struct	dt_iop_temperature_global_data_t
struct	dt_iop_temperature_preset_data_t

Macros
#define	INITIALBLACKBODYTEMPERATURE   4000
#define	DT_IOP_LOWEST_TEMPERATURE   1901
#define	DT_IOP_HIGHEST_TEMPERATURE   25000
#define	DT_IOP_LOWEST_TINT   0.135
#define	DT_IOP_HIGHEST_TINT   2.326
#define	DT_IOP_NUM_OF_STD_TEMP_PRESETS   4
#define	DT_IOP_TEMP_AS_SHOT   0
#define	DT_IOP_TEMP_SPOT   1
#define	DT_IOP_TEMP_USER   2
#define	DT_IOP_TEMP_D65   3
#define	c1   3.7417715246641281639549488324352159753e-16L
#define	c2   0.014387769599838156481252937624049081933L

Typedefs
typedef struct dt_iop_temperature_params_t	dt_iop_temperature_params_t
typedef struct dt_iop_temperature_gui_data_t	dt_iop_temperature_gui_data_t
typedef struct dt_iop_temperature_data_t	dt_iop_temperature_data_t
typedef struct dt_iop_temperature_global_data_t	dt_iop_temperature_global_data_t
typedef struct dt_iop_temperature_preset_data_t	dt_iop_temperature_preset_data_t

Functions
static void	gui_sliders_update (struct dt_iop_module_t *self)
int	legacy_params (dt_iop_module_t *self, const void *const old_params, const int old_version, void *new_params, const int new_version)
static void	_temp_params_from_array (dt_iop_temperature_params_t *p, const double a[4])
static void	_temp_array_from_params (double a[4], const dt_iop_temperature_params_t *p)
static int	ignore_missing_wb (dt_image_t *img)
const char *	name ()
const char **	description (struct dt_iop_module_t *self)
int	default_group ()
int	flags ()
int	default_colorspace (dt_iop_module_t *self, dt_dev_pixelpipe_t *pipe, dt_dev_pixelpipe_iop_t *piece)
typedef	double ((*spd)(unsigned long int wavelength, double TempK))
static double	spd_blackbody (unsigned long int wavelength, double TempK)
static double	spd_daylight (unsigned long int wavelength, double TempK)
static cmsCIEXYZ	spectrum_to_XYZ (double TempK, spd I)
static cmsCIEXYZ	temperature_to_XYZ (double TempK)
static cmsCIEXYZ	temperature_tint_to_XYZ (double TempK, double tint)
static void	XYZ_to_temperature (cmsCIEXYZ XYZ, float *TempK, float *tint)
static void	xyz2mul (dt_iop_module_t *self, cmsCIEXYZ xyz, double mul[4])
static void	temp2mul (dt_iop_module_t *self, double TempK, double tint, double mul[4])
static cmsCIEXYZ	mul2xyz (dt_iop_module_t *self, const dt_iop_temperature_params_t *p)
static void	mul2temp (dt_iop_module_t *self, dt_iop_temperature_params_t *p, float *TempK, float *tint)
static void	dt_wb_preset_interpolate (const wb_data *const p1, const wb_data *const p2, wb_data *out)
static void	scaled_copy_4wide (float *const outp, const float *const inp, const float *const coeffs)
void	process (struct dt_iop_module_t *self, dt_dev_pixelpipe_iop_t *piece, const void *const ivoid, void *const ovoid, const dt_iop_roi_t *const roi_in, const dt_iop_roi_t *const roi_out)
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)
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)
int	generate_preset_combo (struct dt_iop_module_t *self)
void	color_finetuning_slider (struct dt_iop_module_t *self)
void	color_rgb_sliders (struct dt_iop_module_t *self)
void	color_temptint_sliders (struct dt_iop_module_t *self)
void	gui_update (struct dt_iop_module_t *self)
static int	calculate_bogus_daylight_wb (dt_iop_module_t *module, double bwb[4])
static void	prepare_matrices (dt_iop_module_t *module)
static void	find_coeffs (dt_iop_module_t *module, double coeffs[4])
void	reload_defaults (dt_iop_module_t *module)
void	init_global (dt_iop_module_so_t *module)
void	cleanup_global (dt_iop_module_so_t *module)
static void	temp_tint_callback (GtkWidget *slider, dt_iop_module_t *self)
void	gui_changed (dt_iop_module_t *self, GtkWidget *w, void *previous)
static gboolean	btn_toggled (GtkWidget *togglebutton, GdkEventButton *event, dt_iop_module_t *self)
static void	preset_tune_callback (GtkWidget *widget, dt_iop_module_t *self)
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)
void	gui_reset (struct dt_iop_module_t *self)

Macro Definition Documentation

c1

#define c1   3.7417715246641281639549488324352159753e-16L

c2

#define c2   0.014387769599838156481252937624049081933L

DT_IOP_HIGHEST_TEMPERATURE

#define DT_IOP_HIGHEST_TEMPERATURE   25000

DT_IOP_HIGHEST_TINT

#define DT_IOP_HIGHEST_TINT   2.326

DT_IOP_LOWEST_TEMPERATURE

#define DT_IOP_LOWEST_TEMPERATURE   1901

DT_IOP_LOWEST_TINT

#define DT_IOP_LOWEST_TINT   0.135

DT_IOP_NUM_OF_STD_TEMP_PRESETS

#define DT_IOP_NUM_OF_STD_TEMP_PRESETS   4

DT_IOP_TEMP_AS_SHOT

#define DT_IOP_TEMP_AS_SHOT   0

DT_IOP_TEMP_D65

#define DT_IOP_TEMP_D65   3

DT_IOP_TEMP_SPOT

#define DT_IOP_TEMP_SPOT   1

DT_IOP_TEMP_USER

#define DT_IOP_TEMP_USER   2

INITIALBLACKBODYTEMPERATURE

#define INITIALBLACKBODYTEMPERATURE   4000

Typedef Documentation

dt_iop_temperature_data_t

typedef struct dt_iop_temperature_data_t dt_iop_temperature_data_t

dt_iop_temperature_global_data_t

typedef struct dt_iop_temperature_global_data_t dt_iop_temperature_global_data_t

dt_iop_temperature_gui_data_t

typedef struct dt_iop_temperature_gui_data_t dt_iop_temperature_gui_data_t

dt_iop_temperature_params_t

typedef struct dt_iop_temperature_params_t dt_iop_temperature_params_t

dt_iop_temperature_preset_data_t

typedef struct dt_iop_temperature_preset_data_t dt_iop_temperature_preset_data_t

Function Documentation

_temp_array_from_params()

static void _temp_array_from_params ( double  a[4], const dt_iop_temperature_params_t *  p  )

inlinestatic

Referenced by gui_changed(), gui_update(), mul2xyz(), and reload_defaults().

_temp_params_from_array()

static void _temp_params_from_array ( dt_iop_temperature_params_t *  p, const double  a[4]  )

inlinestatic

Referenced by preset_tune_callback(), and temp_tint_callback().

btn_toggled()

static gboolean btn_toggled ( GtkWidget *  togglebutton, GdkEventButton *  event, dt_iop_module_t *  self  )

static

References darktable, dt_bauhaus_combobox_get(), dt_bauhaus_combobox_set(), DT_IOP_TEMP_AS_SHOT, DT_IOP_TEMP_D65, DT_IOP_TEMP_USER, darktable_t::gui, dt_iop_module_t::gui_data, preset, dt_gui_gtk_t::reset, and TRUE.

Referenced by gui_init().

calculate_bogus_daylight_wb()

static int calculate_bogus_daylight_wb ( dt_iop_module_t *  module, double  bwb[4]  )

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(), and dt_develop_t::image_storage.

Referenced by find_coeffs(), and reload_defaults().

cleanup_global()

void cleanup_global

(

dt_iop_module_so_t *

module

)

References dt_iop_module_so_t::data, dt_opencl_free_kernel(), dt_iop_temperature_global_data_t::kernel_whitebalance_1f, dt_iop_temperature_global_data_t::kernel_whitebalance_1f_xtrans, and dt_iop_temperature_global_data_t::kernel_whitebalance_4f.

cleanup_pipe()

void cleanup_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.

color_finetuning_slider()

void color_finetuning_slider

(

struct dt_iop_module_t *

self

)

References dt_bauhaus_combobox_get_data(), dt_bauhaus_slider_clear_stops(), dt_bauhaus_slider_set_feedback(), dt_bauhaus_slider_set_stop(), dt_iop_module_t::gui_data, neutral, and preset.

Referenced by gui_reset(), gui_update(), and preset_tune_callback().

color_picker_apply()

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

References darktable, dt_iop_module_t::dev, dt_bauhaus_combobox_set(), dt_bauhaus_slider_set(), dt_dev_add_history_item, DT_IOP_TEMP_SPOT, darktable_t::gui, dt_iop_module_t::gui_data, mul2temp(), 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, and TRUE.

color_rgb_sliders()

void color_rgb_sliders

(

struct dt_iop_module_t *

self

)

References dt_iop_module_t::dev, dt_bauhaus_slider_clear_stops(), dt_bauhaus_slider_get(), dt_bauhaus_slider_get_hard_max(), dt_bauhaus_slider_set_feedback(), dt_bauhaus_slider_set_stop(), DT_IMAGE_4BAYER, FALSE, dt_image_t::flags, dt_iop_module_t::gui_data, and dt_develop_t::image_storage.

Referenced by gui_reset(), gui_update(), and preset_tune_callback().

color_temptint_sliders()

void color_temptint_sliders

(

struct dt_iop_module_t *

self

)

References double(), dt_bauhaus_slider_clear_stops(), dt_bauhaus_slider_get(), DT_BAUHAUS_SLIDER_MAX_STOPS, dt_bauhaus_slider_set_feedback(), dt_bauhaus_slider_set_stop(), DT_IOP_HIGHEST_TEMPERATURE, DT_IOP_HIGHEST_TINT, DT_IOP_LOWEST_TEMPERATURE, DT_IOP_LOWEST_TINT, dt_XYZ_to_Rec709_D65(), dt_iop_module_t::gui_data, temp2mul(), and temperature_tint_to_XYZ().

Referenced by gui_reset(), gui_update(), and preset_tune_callback().

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_temperature_data_t::coeffs, dt_dev_pixelpipe_iop_t::data, dt_iop_module_t::dev, DT_IMAGE_4BAYER, dt_dev_pixelpipe_iop_t::enabled, FALSE, dt_image_t::flags, dt_iop_module_t::gui_data, dt_iop_module_t::hide_enable_button, dt_develop_t::image_storage, dt_dev_pixelpipe_iop_t::process_cl_ready, dt_develop_t::proxy, TRUE, and dt_develop_t::wb_is_D65.

default_colorspace()

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

References dt_iop_buffer_dsc_t::cst, dt_dev_pixelpipe_iop_t::dsc_in, IOP_CS_RAW, and IOP_CS_RGB.

default_group()

int default_group

(

)

References IOP_GROUP_TECHNICAL.

description()

const char ** description

(

struct dt_iop_module_t *

self

)

References dt_iop_set_description().

double()

typedef double

(

(*)(unsigned long int wavelength, double TempK)

spd

)

References double().

Referenced by _aspect_apply(), _compute_prequantized_primaries(), _get_auto_exp(), _get_export_size(), _get_image_buffer(), _magic_schwalm_offset(), _metadata_view_update_values(), _nm_fit_output_to_input_roi(), _nm_fitness(), _paint_parade(), _paint_waveform(), _path_border_get_XY(), _popup_coordinates(), _refresh_progress_counter(), _track_add_point(), apply_box_aspect(), cairo_draw_hatches(), color_temptint_sliders(), distort_backtransform(), distort_transform(), double(), draw_slider_line(), dt_get_papers(), dt_gpx_get_location(), dt_histogram_worker(), dt_set_xmp_exif_geotag(), dt_thumbtable_scroll_to_rowid(), dtgtk_cairo_paint_shortcut(), enlarge_ntuple_list(), gaussian_kernel(), gaussian_sampler(), get_params(), get_theta(), gui_post_expose(), mouse_in_imagearea(), nfa(), process(), reduce_region_radius(), refine(), region2rect(), set_params(), show_pango_text(), spd_blackbody(), and thinplate_match().

dt_wb_preset_interpolate()

static void dt_wb_preset_interpolate ( const wb_data *const  p1, const wb_data *const  p2, wb_data *  out  )

static

Referenced by gui_update(), and preset_tune_callback().

find_coeffs()

static void find_coeffs ( dt_iop_module_t *  module, double  coeffs[4]  )

static

References calculate_bogus_daylight_wb(), dt_image_t::camera_maker, dt_image_t::camera_missing_sample, dt_image_t::camera_model, dt_iop_module_t::dev, dt_control_log(), DT_IMAGE_4BAYER, dt_image_t::filename, dt_image_t::flags, ignore_missing_wb(), dt_develop_t::image_storage, model, and dt_image_t::wb_coeffs.

Referenced by reload_defaults().

flags()

int flags

(

)

References IOP_FLAGS_ALLOW_TILING, and IOP_FLAGS_ONE_INSTANCE.

generate_preset_combo()

int generate_preset_combo

(

struct dt_iop_module_t *

self

)

References dt_image_t::camera_maker, dt_image_t::camera_model, dt_iop_module_t::dev, dt_bauhaus_combobox_add_full(), DT_BAUHAUS_COMBOBOX_ALIGN_RIGHT, dt_image_is_ldr(), dt_iop_module_t::gui_data, dt_develop_t::image_storage, model, name(), preset, and TRUE.

Referenced by reload_defaults().

gui_changed()

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

References _temp_array_from_params(), dt_bauhaus_combobox_set(), DT_IOP_TEMP_USER, dt_iop_module_t::gui_data, mul2temp(), and dt_iop_module_t::params.

gui_cleanup()

void gui_cleanup

(

struct dt_iop_module_t *

self

)

References DT_REQUEST_COLORPICK_OFF, IOP_GUI_FREE, and dt_iop_module_t::request_color_pick.

gui_init()

void gui_init

(

struct dt_iop_module_t *

self

)

References darktable_t::bauhaus, btn_toggled(), darktable, dt_bauhaus_combobox_new(), dt_bauhaus_slider_from_params(), dt_bauhaus_slider_new_with_range_and_feedback(), dt_bauhaus_slider_set_digits(), dt_bauhaus_slider_set_format(), DT_BAUHAUS_SPACE, dt_bauhaus_widget_set_label(), DT_COLOR_PICKER_AREA, dt_color_picker_new_with_cst(), dt_gui_add_class(), DT_GUI_MODULE, dt_gui_new_collapsible_section(), DT_IOP_HIGHEST_TEMPERATURE, DT_IOP_HIGHEST_TINT, DT_IOP_LOWEST_TEMPERATURE, DT_IOP_LOWEST_TINT, dt_iop_togglebutton_new(), dt_ui_section_label_new(), dtgtk_cairo_paint_bulb(), dtgtk_cairo_paint_camera(), dtgtk_cairo_paint_colorpicker(), dtgtk_cairo_paint_masks_drawn(), DTGTK_TOGGLEBUTTON, dtgtk_togglebutton_set_paint(), FALSE, IOP_CS_NONE, IOP_GUI_ALLOC, preset_tune_callback(), temp_tint_callback(), TRUE, and dt_iop_module_t::widget.

gui_reset()

void gui_reset

(

struct dt_iop_module_t *

self

)

References color_finetuning_slider(), color_rgb_sliders(), color_temptint_sliders(), dt_bauhaus_combobox_get(), dt_iop_color_picker_reset(), DT_IOP_TEMP_AS_SHOT, DT_IOP_TEMP_D65, DT_IOP_TEMP_USER, dt_iop_module_t::gui_data, preset, and TRUE.

gui_sliders_update()

static void gui_sliders_update ( struct dt_iop_module_t *  self )

static

References dt_image_t::buf_dsc, dt_iop_module_t::dev, dt_bauhaus_widget_set_label(), DT_IMAGE_4BAYER, dt_iop_buffer_dsc_t::filters, FILTERS_ARE_CYGM, dt_image_t::flags, dt_iop_module_t::gui_data, and dt_develop_t::image_storage.

Referenced by reload_defaults().

gui_update()

void gui_update

(

struct dt_iop_module_t *

self

)

References _temp_array_from_params(), dt_image_t::camera_maker, dt_image_t::camera_model, color_finetuning_slider(), color_rgb_sliders(), color_temptint_sliders(), dt_iop_module_t::default_enabled, dt_iop_module_t::dev, dt_bauhaus_combobox_get(), dt_bauhaus_combobox_get_data(), dt_bauhaus_combobox_set(), dt_bauhaus_slider_set(), dt_bauhaus_slider_set_default(), dt_bauhaus_slider_set_hard_max(), dt_bauhaus_slider_set_hard_min(), dt_gui_update_collapsible_section(), dt_image_is_matrix_correction_supported(), dt_image_is_monochrome(), dt_iop_color_picker_reset(), DT_IOP_NUM_OF_STD_TEMP_PRESETS, DT_IOP_TEMP_AS_SHOT, DT_IOP_TEMP_D65, DT_IOP_TEMP_USER, dt_wb_preset_interpolate(), FALSE, dt_iop_module_t::gui_data, dt_iop_module_t::hide_enable_button, dt_develop_t::image_storage, model, mul2temp(), name(), dt_iop_module_t::params, preset, TRUE, and dt_iop_module_t::widget.

ignore_missing_wb()

static int ignore_missing_wb ( dt_image_t *  img )

static

References dt_image_t::camera_makermodel, FALSE, dt_image_t::filename, and TRUE.

Referenced by find_coeffs().

init_global()

void init_global

(

dt_iop_module_so_t *

module

)

References dt_opencl_create_kernel(), dt_iop_temperature_global_data_t::kernel_whitebalance_1f, dt_iop_temperature_global_data_t::kernel_whitebalance_1f_xtrans, and dt_iop_temperature_global_data_t::kernel_whitebalance_4f.

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, and dt_dev_pixelpipe_iop_t::data_size.

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 dt_iop_temperature_params_t::blue, dt_iop_temperature_params_t::g2, dt_iop_temperature_params_t::green, and dt_iop_temperature_params_t::red.

mul2temp()

static void mul2temp ( dt_iop_module_t *  self, dt_iop_temperature_params_t *  p, float *  TempK, float *  tint  )

static

References mul2xyz(), and XYZ_to_temperature().

Referenced by color_picker_apply(), gui_changed(), gui_update(), preset_tune_callback(), and reload_defaults().

mul2xyz()

static cmsCIEXYZ mul2xyz ( dt_iop_module_t *  self, const dt_iop_temperature_params_t *  p  )

static

References _temp_array_from_params(), and dt_iop_module_t::gui_data.

Referenced by mul2temp().

name()

const char * name

(

)

Referenced by generate_preset_combo(), gui_update(), preset_tune_callback(), and reload_defaults().

prepare_matrices()

static void prepare_matrices ( dt_iop_module_t *  module )

static

References dt_image_t::adobe_XYZ_to_CAM, dt_image_t::d65_color_matrix, dt_iop_module_t::dev, dt_colorspaces_conversion_matrices_xyz(), dt_control_log(), dt_image_is_raw(), dt_iop_module_t::gui_data, and dt_develop_t::image_storage.

Referenced by reload_defaults().

preset_tune_callback()

static void preset_tune_callback ( GtkWidget *  widget, dt_iop_module_t *  self  )

static

References _temp_params_from_array(), dt_image_t::camera_maker, dt_image_t::camera_model, color_finetuning_slider(), color_rgb_sliders(), color_temptint_sliders(), darktable, dt_iop_module_t::dev, darktable_t::develop, dt_bauhaus_combobox_get(), dt_bauhaus_combobox_get_data(), dt_bauhaus_slider_get(), dt_bauhaus_slider_set(), dt_bauhaus_slider_set_default(), dt_bauhaus_slider_set_hard_max(), dt_bauhaus_slider_set_hard_min(), dt_dev_add_history_item, dt_iop_color_picker_reset(), DT_IOP_TEMP_AS_SHOT, DT_IOP_TEMP_D65, DT_IOP_TEMP_SPOT, DT_IOP_TEMP_USER, dt_wb_preset_interpolate(), FALSE, darktable_t::gui, dt_iop_module_t::gui_data, dt_develop_t::image_storage, model, mul2temp(), name(), dt_iop_module_t::off, dt_iop_module_t::params, preset, dt_gui_gtk_t::reset, and TRUE.

Referenced by gui_init().

process()

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

References dt_iop_temperature_data_t::coeffs, dt_dev_pixelpipe_iop_t::colors, dt_dev_pixelpipe_iop_t::data, dt_iop_module_t::dev, DT_ALIGNED_PIXEL, DT_DEV_PIXELPIPE_DISPLAY_MASK, dt_iop_alpha_copy(), dt_iop_module_t::enabled, FC(), FCxtrans(), for_four_channels, dt_iop_roi_t::height, dt_dev_pixelpipe_iop_t::pipe, dt_develop_t::proxy, scaled_copy_4wide(), dt_develop_t::wb_coeffs, width, dt_iop_roi_t::width, dt_iop_roi_t::x, and dt_iop_roi_t::y.

reload_defaults()

void reload_defaults

(

dt_iop_module_t *

module

)

References _temp_array_from_params(), dt_iop_temperature_params_t::blue, calculate_bogus_daylight_wb(), dt_image_t::camera_maker, dt_image_t::camera_model, dt_iop_module_t::dev, dt_bauhaus_combobox_add(), dt_bauhaus_combobox_clear(), dt_bauhaus_slider_set_default(), dt_conf_is_equal(), dt_image_is_matrix_correction_supported(), dt_image_is_monochrome(), DT_IOP_NUM_OF_STD_TEMP_PRESETS, find_coeffs(), dt_iop_temperature_params_t::g2, generate_preset_combo(), dt_iop_temperature_params_t::green, dt_iop_module_t::gui_data, gui_sliders_update(), dt_iop_module_t::hide_enable_button, dt_image_t::id, dt_develop_t::image_storage, model, mul2temp(), name(), prepare_matrices(), dt_iop_temperature_params_t::red, and dt_iop_module_t::widget.

scaled_copy_4wide()

static void scaled_copy_4wide ( float *const  outp, const float *const  inp, const float *const  coeffs  )

inlinestatic

References for_four_channels.

Referenced by process().

spd_blackbody()

static double spd_blackbody ( unsigned long int  wavelength, double  TempK  )

static

References c1, c2, and double().

Referenced by temperature_to_XYZ().

spd_daylight()

static double spd_daylight ( unsigned long int  wavelength, double  TempK  )

static

References S.

Referenced by temperature_to_XYZ().

spectrum_to_XYZ()

static cmsCIEXYZ spectrum_to_XYZ ( double  TempK, spd  I  )

static

References _max(), and P.

Referenced by temperature_to_XYZ().

temp2mul()

static void temp2mul ( dt_iop_module_t *  self, double  TempK, double  tint, double  mul[4]  )

static

Todo:

: This is baaad!

TODO: problem here is that tint as it is is just a nasty hack modyfying Y component and therefore changing RGB coefficients in wrong way, because modifying only Y in that way doesn’t move XYZ point orthogonally to planckian locus. That means it actually changes temperature and thus it lies!

References temperature_to_XYZ(), and xyz2mul().

Referenced by color_temptint_sliders(), and temp_tint_callback().

temp_tint_callback()

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

static

References _temp_params_from_array(), darktable, darktable_t::develop, dt_bauhaus_combobox_set(), dt_bauhaus_slider_get(), dt_bauhaus_slider_set(), dt_dev_add_history_item, dt_iop_color_picker_reset(), DT_IOP_TEMP_USER, darktable_t::gui, dt_iop_module_t::gui_data, dt_iop_module_t::params, dt_gui_gtk_t::reset, temp2mul(), and TRUE.

Referenced by gui_init().

temperature_tint_to_XYZ()

static cmsCIEXYZ temperature_tint_to_XYZ ( double  TempK, double  tint  )

static

Todo:

: This is baaad!

References temperature_to_XYZ().

Referenced by color_temptint_sliders().

temperature_to_XYZ()

static cmsCIEXYZ temperature_to_XYZ ( double  TempK )

static

Todo:

: temperature and tint cannot be disjoined! (here it assumes no tint)

References DT_IOP_HIGHEST_TEMPERATURE, DT_IOP_LOWEST_TEMPERATURE, INITIALBLACKBODYTEMPERATURE, spd_blackbody(), spd_daylight(), and spectrum_to_XYZ().

Referenced by temp2mul(), temperature_tint_to_XYZ(), and XYZ_to_temperature().

xyz2mul()

static void xyz2mul ( dt_iop_module_t *  self, cmsCIEXYZ  xyz, double  mul[4]  )

static

References dt_iop_module_t::gui_data.

Referenced by temp2mul().

XYZ_to_temperature()

static void XYZ_to_temperature ( cmsCIEXYZ  XYZ, float *  TempK, float *  tint  )

static

Todo:

: Fix this to move orthogonally to planckian locus

References DT_IOP_HIGHEST_TEMPERATURE, DT_IOP_HIGHEST_TINT, DT_IOP_LOWEST_TEMPERATURE, DT_IOP_LOWEST_TINT, and temperature_to_XYZ().

Referenced by mul2temp().