colorbalance.c File Reference

#include "bauhaus/bauhaus.h"
#include "common/exif.h"
#include "common/colorspaces_inline_conversions.h"
#include "common/opencl.h"
#include "develop/blend.h"
#include "develop/imageop.h"
#include "develop/imageop_math.h"
#include "develop/imageop_gui.h"
#include "dtgtk/gradientslider.h"
#include "gui/gtk.h"
#include "gui/presets.h"
#include "gui/color_picker_proxy.h"
#include "iop/iop_api.h"
#include <stdlib.h>

Include dependency graph for colorbalance.c:

Data Structures
struct	dt_iop_colorbalance_params_t
struct	dt_iop_colorbalance_gui_data_t
struct	dt_iop_colorbalance_data_t
struct	dt_iop_colorbalance_global_data_t

Macros
#define	HSL_CALLBACK(which)
#define	ADD_CHANNEL(which, section, c, n, N, text, span)
#define	ADD_BLOCK(blk, which, section, text, span, satspan)

Typedefs
typedef enum dt_iop_colorbalance_mode_t	dt_iop_colorbalance_mode_t
typedef enum _colorbalance_channel_t	_colorbalance_channel_t
typedef enum _colorbalance_levels_t	_colorbalance_levels_t
typedef enum _controls_t	_controls_t
typedef enum _colorbalance_patch_t	_colorbalance_patch_t
typedef struct dt_iop_colorbalance_params_t	dt_iop_colorbalance_params_t
typedef struct dt_iop_colorbalance_gui_data_t	dt_iop_colorbalance_gui_data_t
typedef struct dt_iop_colorbalance_data_t	dt_iop_colorbalance_data_t
typedef struct dt_iop_colorbalance_global_data_t	dt_iop_colorbalance_global_data_t

Enumerations
enum	dt_iop_colorbalance_mode_t {   LIFT_GAMMA_GAIN = 0 ,   SLOPE_OFFSET_POWER = 1 ,   LEGACY = 2 }
enum	_colorbalance_channel_t {   CHANNEL_FACTOR = 0 ,   CHANNEL_RED ,   CHANNEL_GREEN ,   CHANNEL_BLUE ,   CHANNEL_SIZE }
enum	_colorbalance_levels_t {   LIFT = 0 ,   GAMMA ,   GAIN ,   LEVELS }
enum	_controls_t {   HSL ,   RGBL ,   BOTH }
enum	_colorbalance_patch_t {   INVALID ,   USER_SELECTED ,   AUTO_SELECTED }

Functions
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)
static void	add_preset (dt_iop_module_so_t *self, const char *name, const char *pi, const int version, const char *bpi, const int blendop_version)
void	init_presets (dt_iop_module_so_t *self)
static float	CDL (float x, float slope, float offset, float power)
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)
static void	update_saturation_slider_color (GtkWidget *slider, float hue)
static void	set_RGB_sliders (GtkWidget *R, GtkWidget *G, GtkWidget *B, float hsl[3], float *p, int mode)
static void	set_HSL_sliders (GtkWidget *hue, GtkWidget *sat, float RGB[4])
static void	_check_tuner_picker_labels (dt_iop_module_t *self)
static void	apply_autogrey (dt_iop_module_t *self)
static void	apply_lift_neutralize (dt_iop_module_t *self)
static void	apply_gamma_neutralize (dt_iop_module_t *self)
static void	apply_gain_neutralize (dt_iop_module_t *self)
static void	apply_lift_auto (dt_iop_module_t *self)
static void	apply_gamma_auto (dt_iop_module_t *self)
static void	apply_gain_auto (dt_iop_module_t *self)
static void	apply_autocolor (dt_iop_module_t *self)
static void	apply_autoluma (dt_iop_module_t *self)
void	color_picker_apply (dt_iop_module_t *self, GtkWidget *picker, dt_dev_pixelpipe_iop_t *piece)
void	init_global (dt_iop_module_so_t *module)
void	cleanup_global (dt_iop_module_so_t *module)
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 (dt_iop_module_t *self, dt_dev_pixelpipe_t *pipe, dt_dev_pixelpipe_iop_t *piece)
void	cleanup_pipe (dt_iop_module_t *self, dt_dev_pixelpipe_t *pipe, dt_dev_pixelpipe_iop_t *piece)
void	set_visible_widgets (dt_iop_colorbalance_gui_data_t *g)
void	gui_update (dt_iop_module_t *self)
void	gui_reset (dt_iop_module_t *self)
static void	_configure_slider_blocks (gpointer instance, dt_iop_module_t *self)
void	gui_changed (dt_iop_module_t *self, GtkWidget *w, void *previous)
static void	controls_callback (GtkWidget *combo, dt_iop_module_t *self)
static void	_cycle_layout_callback (GtkWidget *label, GdkEventButton *event, dt_iop_module_t *self)
static void	lift_callback (GtkWidget *slider, gpointer user_data)
static void	gamma_callback (GtkWidget *slider, gpointer user_data)
static void	gain_callback (GtkWidget *slider, gpointer user_data)
void	gui_init (dt_iop_module_t *self)
void	gui_cleanup (struct dt_iop_module_t *self)

Macro Definition Documentation

ADD_BLOCK

#define ADD_BLOCK	(		blk,
			which,
			section,
			text,
			span,
			satspan
	)

ADD_CHANNEL

#define ADD_CHANNEL	(		which,
			section,
			c,
			n,
			N,
			text,
			span
	)

Value:

  sprintf(field_name, "%s[%d]", #which, CHANNEL_##N);                       \
  g->which##_##c = dt_bauhaus_slider_from_params(self, field_name);         \
  dt_bauhaus_slider_set_soft_range(g->which##_##c, -span+1.0, span+1.0);    \
  dt_bauhaus_slider_set_digits(g->which##_##c, 5);                          \
  dt_bauhaus_slider_set_offset(g->which##_##c, -1.0);                       \
  dt_bauhaus_slider_set_feedback(g->which##_##c, 0);                        \
  gtk_widget_set_tooltip_text(g->which##_##c, _(text[CHANNEL_##N]));        \
  dt_bauhaus_widget_set_label(g->which##_##c, #n);                 \

HSL_CALLBACK

#define HSL_CALLBACK

(

which

)

Value:

static void which##_callback(GtkWidget *slider, gpointer user_data)                     \
{                                                                                       \
  dt_iop_module_t *self = (dt_iop_module_t *)user_data;                                 \
  dt_iop_colorbalance_params_t *p = (dt_iop_colorbalance_params_t *)self->params;       \
  dt_iop_colorbalance_gui_data_t *g = (dt_iop_colorbalance_gui_data_t *)self->gui_data; \
                                                                                        \
  if(darktable.gui->reset) return;                                                      \
                                                                                        \
  dt_iop_color_picker_reset(self, TRUE);                                                \
                                                                                        \
  float hsl[3] = {dt_bauhaus_slider_get(g->hue_##which) / 360.0f,                       \
                  dt_bauhaus_slider_get(g->sat_##which) / 100.0f,                       \
                  0.5f};                                                                \
                                                                                        \
  if(slider == g->hue_##which)                                                          \
    update_saturation_slider_color(g->sat_##which, hsl[0]);                             \
  set_RGB_sliders(g->which##_r, g->which##_g, g->which##_b, hsl, p->which, p->mode);    \
  dt_dev_add_history_item(darktable.develop, self, TRUE);                               \
}

Typedef Documentation

_colorbalance_channel_t

typedef enum _colorbalance_channel_t _colorbalance_channel_t

_colorbalance_levels_t

typedef enum _colorbalance_levels_t _colorbalance_levels_t

_colorbalance_patch_t

typedef enum _colorbalance_patch_t _colorbalance_patch_t

_controls_t

typedef enum _controls_t _controls_t

dt_iop_colorbalance_data_t

typedef struct dt_iop_colorbalance_data_t dt_iop_colorbalance_data_t

dt_iop_colorbalance_global_data_t

typedef struct dt_iop_colorbalance_global_data_t dt_iop_colorbalance_global_data_t

dt_iop_colorbalance_gui_data_t

typedef struct dt_iop_colorbalance_gui_data_t dt_iop_colorbalance_gui_data_t

dt_iop_colorbalance_mode_t

typedef enum dt_iop_colorbalance_mode_t dt_iop_colorbalance_mode_t

dt_iop_colorbalance_params_t

typedef struct dt_iop_colorbalance_params_t dt_iop_colorbalance_params_t

Enumeration Type Documentation

_colorbalance_channel_t

enum _colorbalance_channel_t

Enumerator
CHANNEL_FACTOR
CHANNEL_RED
CHANNEL_GREEN
CHANNEL_BLUE
CHANNEL_SIZE

_colorbalance_levels_t

enum _colorbalance_levels_t

Enumerator
LIFT
GAMMA
GAIN
LEVELS

_colorbalance_patch_t

enum _colorbalance_patch_t

Enumerator
INVALID
USER_SELECTED
AUTO_SELECTED

_controls_t

enum _controls_t

Enumerator
HSL
RGBL
BOTH

dt_iop_colorbalance_mode_t

enum dt_iop_colorbalance_mode_t

Enumerator
LIFT_GAMMA_GAIN
SLOPE_OFFSET_POWER
LEGACY

Function Documentation

_check_tuner_picker_labels()

static void _check_tuner_picker_labels ( dt_iop_module_t *  self )

inlinestatic

References dt_bauhaus_widget_set_label(), GAIN, GAMMA, dt_iop_module_t::gui_data, LIFT, and USER_SELECTED.

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

_configure_slider_blocks()

static void _configure_slider_blocks ( gpointer  instance, dt_iop_module_t *  self  )

static

References DT_BAUHAUS_SPACE, dt_conf_get_string(), dt_ui_section_label_new(), and dt_iop_module_t::gui_data.

Referenced by _cycle_layout_callback(), gui_changed(), gui_cleanup(), and gui_init().

_cycle_layout_callback()

static void _cycle_layout_callback ( GtkWidget *  label, GdkEventButton *  event, dt_iop_module_t *  self  )

static

References _configure_slider_blocks().

Referenced by gui_init().

add_preset()

static void add_preset ( dt_iop_module_so_t *  self, const char *  name, const char *  pi, const int  version, const char *  bpi, const int  blendop_version  )

static

References dt_develop_blend_legacy_params_from_so(), dt_develop_blend_version(), dt_exif_xmp_decode(), dt_gui_presets_add_with_blendop(), name(), and dt_iop_module_so_t::op.

Referenced by init_presets().

aliases()

const char * aliases

(

)

apply_autocolor()

static void apply_autocolor ( dt_iop_module_t *  self )

static

Optimization loop : We try to find the CDL curves that neutralize the 3 input color patches, while not affecting the overall lightness. But this is a non-linear overconstrained problem with tainted inputs, so the best we can do is a numerical optimization. To do so, we compute each parameter of each RGB curve from the input color and the 2 other parameters. Then, we loop over the previous optimization until the difference between 2 updates is insignificant. This would need a proper stopping criterion based on convergence analysis, but it would be overkill here since it should converge usually in 20 iterations, and maximum in 100. Also, the convergence has not been proven formally. For better color accuracy, we compute on luminance corrected RGB values (after the main factors corrections). To avoid divergence, we constrain the parameters between +- 0.25 around the neutral value. Experimentally, nothing good happens out of these bounds.

References AUTO_SELECTED, CDL(), CHANNEL_BLUE, CHANNEL_FACTOR, CHANNEL_GREEN, CHANNEL_RED, darktable, darktable_t::develop, dt_bauhaus_slider_set(), dt_dev_add_history_item, dt_iop_color_picker_reset(), dt_Lab_to_XYZ(), dt_prophotorgb_to_XYZ(), dt_XYZ_to_prophotorgb(), GAIN, GAMMA, darktable_t::gui, dt_iop_module_t::gui_data, INVALID, LIFT, MAX, dt_iop_module_t::params, dt_iop_module_t::picked_color, dt_gui_gtk_t::reset, set_HSL_sliders(), and TRUE.

Referenced by color_picker_apply().

apply_autogrey()

static void apply_autogrey ( dt_iop_module_t *  self )

static

References CDL(), CHANNEL_BLUE, CHANNEL_FACTOR, CHANNEL_GREEN, CHANNEL_RED, darktable, darktable_t::develop, dt_bauhaus_slider_set(), dt_dev_add_history_item, dt_Lab_to_XYZ(), dt_prophotorgb_to_XYZ(), dt_XYZ_to_prophotorgb(), darktable_t::gui, dt_iop_module_t::gui_data, dt_iop_module_t::params, dt_iop_module_t::picked_color, dt_gui_gtk_t::reset, and TRUE.

Referenced by color_picker_apply().

apply_autoluma()

static void apply_autoluma ( dt_iop_module_t *  self )

static

Optimization loop : We try to find the CDL curves that neutralize the 3 input luma patches

References AUTO_SELECTED, CHANNEL_FACTOR, darktable, darktable_t::develop, dt_bauhaus_slider_set(), dt_dev_add_history_item, dt_iop_color_picker_reset(), dt_Lab_to_XYZ(), GAIN, GAMMA, darktable_t::gui, dt_iop_module_t::gui_data, INVALID, LIFT, MAX, 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.

Referenced by color_picker_apply().

apply_gain_auto()

static void apply_gain_auto ( dt_iop_module_t *  self )

static

References CHANNEL_FACTOR, darktable, darktable_t::develop, dt_bauhaus_slider_set(), dt_dev_add_history_item, dt_Lab_to_XYZ(), dt_XYZ_to_prophotorgb(), GAIN, darktable_t::gui, dt_iop_module_t::gui_data, dt_iop_module_t::params, dt_iop_module_t::picked_color_max, dt_gui_gtk_t::reset, TRUE, and USER_SELECTED.

Referenced by color_picker_apply().

apply_gain_neutralize()

static void apply_gain_neutralize ( dt_iop_module_t *  self )

static

References CDL(), CHANNEL_BLUE, CHANNEL_FACTOR, CHANNEL_GREEN, CHANNEL_RED, darktable, darktable_t::develop, dt_bauhaus_slider_set(), dt_dev_add_history_item, dt_Lab_to_XYZ(), dt_XYZ_to_prophotorgb(), GAIN, darktable_t::gui, dt_iop_module_t::gui_data, MAX, dt_iop_module_t::params, dt_iop_module_t::picked_color, dt_gui_gtk_t::reset, set_HSL_sliders(), TRUE, and USER_SELECTED.

Referenced by color_picker_apply().

apply_gamma_auto()

static void apply_gamma_auto ( dt_iop_module_t *  self )

static

References CHANNEL_FACTOR, darktable, darktable_t::develop, dt_bauhaus_slider_set(), dt_dev_add_history_item, dt_Lab_to_XYZ(), dt_XYZ_to_prophotorgb(), GAMMA, darktable_t::gui, dt_iop_module_t::gui_data, MAX, dt_iop_module_t::params, dt_iop_module_t::picked_color, dt_gui_gtk_t::reset, TRUE, and USER_SELECTED.

Referenced by color_picker_apply().

apply_gamma_neutralize()

static void apply_gamma_neutralize ( dt_iop_module_t *  self )

static

References CDL(), CHANNEL_BLUE, CHANNEL_FACTOR, CHANNEL_GREEN, CHANNEL_RED, darktable, darktable_t::develop, dt_bauhaus_slider_set(), dt_dev_add_history_item, dt_Lab_to_XYZ(), dt_XYZ_to_prophotorgb(), GAMMA, darktable_t::gui, dt_iop_module_t::gui_data, dt_iop_module_t::params, dt_iop_module_t::picked_color, dt_gui_gtk_t::reset, set_HSL_sliders(), TRUE, and USER_SELECTED.

Referenced by color_picker_apply().

apply_lift_auto()

static void apply_lift_auto ( dt_iop_module_t *  self )

static

References CHANNEL_FACTOR, darktable, darktable_t::develop, dt_bauhaus_slider_set(), dt_dev_add_history_item, dt_Lab_to_XYZ(), dt_XYZ_to_prophotorgb(), darktable_t::gui, dt_iop_module_t::gui_data, LIFT, dt_iop_module_t::params, dt_iop_module_t::picked_color_min, dt_gui_gtk_t::reset, TRUE, and USER_SELECTED.

Referenced by color_picker_apply().

apply_lift_neutralize()

static void apply_lift_neutralize ( dt_iop_module_t *  self )

static

References CDL(), CHANNEL_BLUE, CHANNEL_FACTOR, CHANNEL_GREEN, CHANNEL_RED, darktable, darktable_t::develop, dt_bauhaus_slider_set(), dt_dev_add_history_item, dt_Lab_to_XYZ(), dt_XYZ_to_prophotorgb(), darktable_t::gui, dt_iop_module_t::gui_data, LIFT, dt_iop_module_t::params, dt_iop_module_t::picked_color, dt_gui_gtk_t::reset, set_HSL_sliders(), TRUE, and USER_SELECTED.

Referenced by color_picker_apply().

CDL()

static float CDL ( float  x, float  slope, float  offset, float  power  )

inlinestatic

Referenced by apply_autocolor(), apply_autogrey(), apply_gain_neutralize(), apply_gamma_neutralize(), apply_lift_neutralize(), and process().

cleanup_global()

void cleanup_global

(

dt_iop_module_so_t *

module

)

References dt_iop_module_so_t::data, dt_opencl_free_kernel(), dt_iop_colorbalance_global_data_t::kernel_colorbalance, dt_iop_colorbalance_global_data_t::kernel_colorbalance_cdl, and dt_iop_colorbalance_global_data_t::kernel_colorbalance_lgg.

cleanup_pipe()

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

References dt_dev_pixelpipe_iop_t::data.

color_picker_apply()

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

References _check_tuner_picker_labels(), apply_autocolor(), apply_autogrey(), apply_autoluma(), apply_gain_auto(), apply_gain_neutralize(), apply_gamma_auto(), apply_gamma_neutralize(), apply_lift_auto(), apply_lift_neutralize(), and dt_iop_module_t::gui_data.

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 CHANNEL_BLUE, CHANNEL_FACTOR, CHANNEL_GREEN, CHANNEL_RED, CHANNEL_SIZE, dt_iop_colorbalance_data_t::contrast, dt_dev_pixelpipe_iop_t::data, dt_prophotorgb_to_XYZ(), dt_iop_colorbalance_data_t::gain, dt_iop_colorbalance_data_t::gamma, dt_iop_colorbalance_data_t::grey, LEGACY, dt_iop_colorbalance_data_t::lift, LIFT_GAMMA_GAIN, dt_iop_colorbalance_data_t::mode, dt_iop_colorbalance_data_t::saturation, dt_iop_colorbalance_data_t::saturation_out, and SLOPE_OFFSET_POWER.

controls_callback()

static void controls_callback ( GtkWidget *  combo, dt_iop_module_t *  self  )

static

References darktable, dt_iop_color_picker_reset(), darktable_t::gui, dt_iop_module_t::gui_data, dt_gui_gtk_t::reset, set_visible_widgets(), and TRUE.

Referenced by gui_init().

default_colorspace()

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

References IOP_CS_LAB.

default_group()

int default_group

(

)

References IOP_GROUP_COLOR.

description()

const char ** description

(

struct dt_iop_module_t *

self

)

References dt_iop_set_description().

flags()

int flags

(

)

References IOP_FLAGS_DEPRECATED, IOP_FLAGS_INCLUDE_IN_STYLES, and IOP_FLAGS_SUPPORTS_BLENDING.

gain_callback()

static void gain_callback ( GtkWidget *  slider, gpointer  user_data  )

static

gamma_callback()

static void gamma_callback ( GtkWidget *  slider, gpointer  user_data  )

static

gui_changed()

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

References _configure_slider_blocks(), darktable, darktable_t::gui, dt_iop_module_t::gui_data, dt_iop_module_t::params, dt_gui_gtk_t::reset, set_HSL_sliders(), and set_visible_widgets().

Referenced by gui_update().

gui_cleanup()

void gui_cleanup

(

struct dt_iop_module_t *

self

)

References _configure_slider_blocks(), darktable, DT_DEBUG_CONTROL_SIGNAL_DISCONNECT, IOP_GUI_FREE, and darktable_t::signals.

gui_init()

void gui_init

(

dt_iop_module_t *

self

)

References _configure_slider_blocks(), _cycle_layout_callback(), ADD_BLOCK, darktable_t::bauhaus, BOTH, controls_callback(), darktable, dt_bauhaus_combobox_add(), dt_bauhaus_combobox_from_params(), dt_bauhaus_combobox_new(), dt_bauhaus_combobox_set(), dt_bauhaus_slider_from_params(), dt_bauhaus_slider_set_digits(), dt_bauhaus_slider_set_factor(), dt_bauhaus_slider_set_format(), dt_bauhaus_slider_set_offset(), dt_bauhaus_slider_set_soft_range(), DT_BAUHAUS_SPACE, dt_bauhaus_widget_set_label(), DT_COLOR_PICKER_AREA, dt_color_picker_new(), dt_conf_get_string_const(), DT_DEBUG_CONTROL_SIGNAL_CONNECT, DT_GUI_MODULE, DT_SIGNAL_PREFERENCES_CHANGE, dt_ui_section_label_new(), dtgtk_drawing_area_new_with_aspect_ratio(), FALSE, HSL, INVALID, IOP_GUI_ALLOC, LEVELS, RGBL, darktable_t::signals, and TRUE.

gui_reset()

void gui_reset

(

dt_iop_module_t *

self

)

References _check_tuner_picker_labels(), dt_bauhaus_combobox_set(), dt_iop_color_picker_reset(), dt_iop_module_t::gui_data, HSL, INVALID, LEVELS, set_visible_widgets(), and TRUE.

gui_update()

void gui_update

(

dt_iop_module_t *

self

)

References _check_tuner_picker_labels(), dt_iop_color_picker_reset(), gui_changed(), and TRUE.

init_global()

void init_global

(

dt_iop_module_so_t *

module

)

References dt_opencl_create_kernel(), dt_iop_colorbalance_global_data_t::kernel_colorbalance, dt_iop_colorbalance_global_data_t::kernel_colorbalance_cdl, and dt_iop_colorbalance_global_data_t::kernel_colorbalance_lgg.

init_pipe()

void init_pipe	(	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.

init_presets()

void init_presets

(

dt_iop_module_so_t *

self

)

References add_preset().

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 CHANNEL_SIZE, dt_iop_colorbalance_params_t::contrast, dt_iop_module_t::default_params, dt_iop_colorbalance_params_t::gain, dt_iop_colorbalance_params_t::gamma, dt_iop_colorbalance_params_t::grey, LEGACY, dt_iop_colorbalance_params_t::lift, dt_iop_colorbalance_params_t::mode, and dt_iop_colorbalance_params_t::saturation.

lift_callback()

static void lift_callback ( GtkWidget *  slider, gpointer  user_data  )

static

name()

const char * name

(

)

Referenced by add_preset().

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 CDL(), CHANNEL_BLUE, CHANNEL_FACTOR, CHANNEL_GREEN, CHANNEL_RED, dt_dev_pixelpipe_iop_t::colors, dt_iop_colorbalance_data_t::contrast, dt_dev_pixelpipe_iop_t::data, DT_DEV_PIXELPIPE_DISPLAY_MASK, dt_iop_alpha_copy(), dt_Lab_to_XYZ(), dt_prophotorgb_to_XYZ(), dt_sRGB_to_XYZ(), dt_XYZ_to_Lab(), dt_XYZ_to_prophotorgb(), dt_XYZ_to_sRGB(), dt_iop_colorbalance_data_t::gain, dt_iop_colorbalance_data_t::gamma, dt_iop_colorbalance_data_t::grey, dt_iop_roi_t::height, LEGACY, dt_iop_colorbalance_data_t::lift, LIFT_GAMMA_GAIN, dt_iop_colorbalance_data_t::mode, dt_dev_pixelpipe_iop_t::pipe, dt_iop_colorbalance_data_t::saturation, dt_iop_colorbalance_data_t::saturation_out, SLOPE_OFFSET_POWER, and dt_iop_roi_t::width.

set_HSL_sliders()

static void set_HSL_sliders ( GtkWidget *  hue, GtkWidget *  sat, float  RGB[4]  )

inlinestatic

HSL sliders are set from the RGB values at any time. Only the RGB values are saved and used in the computations. The HSL sliders are merely an interface.

References CHANNEL_BLUE, CHANNEL_GREEN, CHANNEL_RED, dt_bauhaus_slider_set(), rgb2hsl(), and update_saturation_slider_color().

Referenced by apply_autocolor(), apply_gain_neutralize(), apply_gamma_neutralize(), apply_lift_neutralize(), and gui_changed().

set_RGB_sliders()

static void set_RGB_sliders ( GtkWidget *  R, GtkWidget *  G, GtkWidget *  B, float  hsl[3], float *  p, int  mode  )

inlinestatic

References B, CHANNEL_BLUE, CHANNEL_GREEN, CHANNEL_RED, darktable, dt_bauhaus_slider_set(), darktable_t::gui, hsl2rgb(), R, and dt_gui_gtk_t::reset.

set_visible_widgets()

void set_visible_widgets

(

dt_iop_colorbalance_gui_data_t *

g

)

References BOTH, dt_bauhaus_combobox_get(), dt_conf_set_string(), HSL, LEGACY, RGBL, and SLOPE_OFFSET_POWER.

Referenced by controls_callback(), gui_changed(), and gui_reset().

update_saturation_slider_color()

static void update_saturation_slider_color ( GtkWidget *  slider, float  hue  )

inlinestatic

References dt_bauhaus_slider_set_stop(), and hsl2rgb().

Referenced by set_HSL_sliders().