#include <stdint.h>
#include "bauhaus/bauhaus.h"
#include "common/atomic.h"
#include "common/color_vocabulary.h"
#include "common/darktable.h"
#include "common/debug.h"
#include "common/histogram.h"
#include "common/iop_profile.h"
#include "common/imagebuf.h"
#include "common/image_cache.h"
#include "common/math.h"
#include "control/conf.h"
#include "control/control.h"
#include "develop/develop.h"
#include "dtgtk/drawingarea.h"
#include "dtgtk/button.h"
#include "gui/color_picker_proxy.h"
#include "gui/draw.h"
#include "gui/gtk.h"
#include "libs/lib.h"
#include "libs/lib_api.h"
#include "libs/colorpicker.h"

Include dependency graph for libs/histogram.c:

Data Structures
struct	dt_lib_histogram_cache_t

struct	dt_lib_histogram_t

Macros
#define	HISTOGRAM_BINS 256

#define	TONES 128

#define	GAMMA 1.f / 1.5f

Typedefs
typedef enum dt_lib_histogram_scope_type_t	dt_lib_histogram_scope_type_t

typedef struct dt_lib_histogram_cache_t	dt_lib_histogram_cache_t

typedef enum dt_lib_colorpicker_model_t	dt_lib_colorpicker_model_t

typedef struct dt_lib_histogram_t	dt_lib_histogram_t

Enumerations
enum	dt_lib_histogram_scope_type_t { DT_LIB_HISTOGRAM_SCOPE_HISTOGRAM = 0 , DT_LIB_HISTOGRAM_SCOPE_WAVEFORM_HORIZONTAL , DT_LIB_HISTOGRAM_SCOPE_WAVEFORM_VERTICAL , DT_LIB_HISTOGRAM_SCOPE_PARADE_HORIZONTAL , DT_LIB_HISTOGRAM_SCOPE_PARADE_VERTICAL , DT_LIB_HISTOGRAM_SCOPE_VECTORSCOPE , DT_LIB_HISTOGRAM_SCOPE_N }

enum	dt_lib_colorpicker_model_t { DT_LIB_COLORPICKER_MODEL_RGB = 0 , DT_LIB_COLORPICKER_MODEL_LAB , DT_LIB_COLORPICKER_MODEL_LCH , DT_LIB_COLORPICKER_MODEL_HSL , DT_LIB_COLORPICKER_MODEL_HSV , DT_LIB_COLORPICKER_MODEL_NONE }

Functions
const char *	name (struct dt_lib_module_t *self)

const char **	views (dt_lib_module_t *self)

uint32_t	container (dt_lib_module_t *self)

int	expandable (dt_lib_module_t *self)

int	position ()

static void	_update_picker_output (dt_lib_module_t *self)

static void	_update_samples_output (dt_lib_module_t *self)

static void	_update_sample_label (dt_lib_module_t self, dt_colorpicker_sample_t sample)

dt_backbuf_t *	_get_backuf (dt_develop_t dev, const char op)

void	_backbuf_int_to_op (const int value, dt_lib_histogram_t *d)

int	_backbuf_op_to_int (dt_lib_histogram_t *d)

void	_scope_pixel_to_xyz (const dt_aligned_pixel_t rgb_in, dt_aligned_pixel_t xyz_out, dt_lib_histogram_t *d)

void	_scope_pixel_to_display_rgb (const dt_aligned_pixel_t rgb_in, dt_aligned_pixel_t rgb_out, dt_lib_histogram_t *d)

void	_reset_cache (dt_lib_histogram_t *d)

static gboolean	_is_backbuf_ready (dt_lib_histogram_t *d)

static void	_redraw_scopes (dt_lib_histogram_t *d)

uint32_t	_find_max_histogram (const uint32_t *const restrict bins, const size_t binning_size)

static void	_bin_pixels_histogram_in_roi (const float const restrict image, uint32_t const restrict bins, const size_t min_x, const size_t max_x, const size_t min_y, const size_t max_y, const size_t width)

static void	_bin_pickers_histogram (const float const restrict image, const size_t width, const size_t height, uint32_t bins, dt_colorpicker_sample_t *sample)

static void	_process_histogram (dt_backbuf_t backbuf, cairo_t cr, const int width, const int height)

static void	_bin_pixels_waveform_in_roi (const float const restrict image, uint32_t const restrict bins, const size_t min_x, const size_t max_x, const size_t min_y, const size_t max_y, const size_t width, const size_t binning_size, const gboolean vertical)

static void	_bin_pickers_waveforms (const float const restrict image, uint32_t const restrict bins, const size_t width, const size_t height, const size_t binning_size, const gboolean vertical, dt_colorpicker_sample_t *sample)

static void	_bin_pixels_waveform (const float const restrict image, uint32_t const restrict bins, const size_t width, const size_t height, const size_t binning_size, const gboolean vertical)

static void	_create_waveform_image (const uint32_t const restrict bins, uint8_t const restrict image, const uint32_t max_hist, const size_t width, const size_t height)

static void	_mask_waveform (const uint8_t const restrict image, uint8_t const restrict masked, const size_t width, const size_t height, const size_t channel)

static void	_paint_waveform (cairo_t cr, uint8_t const restrict image, const int width, const int height, const size_t img_width, const size_t img_height, const gboolean vertical)

static void	_paint_parade (cairo_t cr, uint8_t const restrict image, const int width, const int height, const size_t img_width, const size_t img_height, const gboolean vertical)

static void	_process_waveform (dt_backbuf_t backbuf, cairo_t cr, const int width, const int height, const gboolean vertical, const gboolean parade)

static float	_Luv_to_vectorscope_coord_zoom (const float value, const float zoom)

static float	_vectorscope_coord_zoom_to_Luv (const float value, const float zoom)

static void	_bin_pixels_vectorscope_in_roi (const float const restrict image, uint32_t const restrict vectorscope, const size_t min_x, const size_t max_x, const size_t min_y, const size_t max_y, const size_t width, const float zoom, dt_lib_histogram_t *d)

static void	_bin_pickers_vectorscope (const float const restrict image, uint32_t const restrict vectorscope, const size_t width, const size_t height, const float zoom, dt_lib_histogram_t d, const dt_colorpicker_sample_t const sample)

static void	_create_vectorscope_image (const uint32_t const restrict vectorscope, uint8_t const restrict image, const uint32_t max_hist, const float zoom)

static void	_bin_vectorscope (const float const restrict image, uint32_t const vectorscope, const size_t width, const size_t height, const float zoom, dt_lib_histogram_t *d)

static void	_process_vectorscope (dt_backbuf_t backbuf, cairo_t cr, const int width, const int height, const float zoom, dt_lib_histogram_t *d)

gboolean	_needs_recompute (dt_lib_histogram_t *d, const int width, const int height)

static gboolean	_draw_callback (GtkWidget widget, cairo_t crf, gpointer user_data)

void	_get_allocation_size (dt_lib_histogram_t d, int width, int *height)

gboolean	_redraw_surface (dt_lib_histogram_t *d)

static void	_destroy_surface (dt_lib_histogram_t *d)

gboolean	_trigger_recompute (dt_lib_histogram_t *d)

static void	_pixelpipe_pick_from_image (const dt_backbuf_t const backbuf, dt_colorpicker_sample_t const sample, dt_lib_histogram_t *d)

static void	_pixelpipe_pick_samples (dt_lib_histogram_t *d)

static void	_update_everything (dt_lib_module_t *self)

static void	_lib_histogram_preview_updated_callback (gpointer instance, dt_lib_module_t *self)

void	view_enter (struct dt_lib_module_t self, struct dt_view_t old_view, struct dt_view_t *new_view)

void	view_leave (struct dt_lib_module_t self, struct dt_view_t old_view, struct dt_view_t *new_view)

void	_stage_callback (GtkWidget widget, dt_lib_module_t self)

void	_display_callback (GtkWidget widget, dt_lib_module_t self)

static void	_resize_callback (GtkWidget widget, GdkRectangle allocation, dt_lib_histogram_t *d)

static gboolean	_area_scrolled_callback (GtkWidget widget, GdkEventScroll event, dt_lib_histogram_t *d)

void	_set_params (dt_lib_histogram_t *d)

static gboolean	_sample_draw_callback (GtkWidget widget, cairo_t cr, dt_colorpicker_sample_t *sample)

static void	_picker_button_toggled (GtkToggleButton button, dt_lib_histogram_t d)

static void	_update_size (dt_lib_module_t *self, dt_lib_colorpicker_size_t size)

static void	_set_sample_box_area (dt_lib_module_t *self, const dt_boundingbox_t box)

static void	_set_sample_point (dt_lib_module_t *self, const float pos[2])

static gboolean	_sample_tooltip_callback (GtkWidget widget, gint x, gint y, gboolean keyboard_mode, GtkTooltip tooltip, const dt_colorpicker_sample_t *sample)

static void	_statistic_changed (GtkWidget widget, dt_lib_module_t self)

static void	_color_mode_changed (GtkWidget widget, dt_lib_module_t self)

static void	_label_size_allocate_callback (GtkWidget widget, GdkRectangle allocation, gpointer user_data)

static gboolean	_sample_enter_callback (GtkWidget widget, GdkEvent event, dt_colorpicker_sample_t *sample)

static gboolean	_sample_leave_callback (GtkWidget widget, GdkEvent event, gpointer data)

static void	_remove_sample (dt_colorpicker_sample_t *sample)

static void	_remove_sample_cb (GtkButton widget, dt_colorpicker_sample_t sample)

static gboolean	_live_sample_button (GtkWidget widget, GdkEventButton event, dt_colorpicker_sample_t *sample)

static void	_add_sample (GtkButton widget, dt_lib_module_t self)

static void	_display_samples_changed (GtkToggleButton button, dt_lib_module_t self)

static void	_restrict_histogram_changed (GtkToggleButton button, dt_lib_module_t self)

void	gui_reset (dt_lib_module_t *self)

void	gui_init (dt_lib_module_t *self)

void	gui_cleanup (dt_lib_module_t *self)

Variables
const gchar *	dt_lib_colorpicker_model_names [] = { N_("RGB"), N_("Lab"), N_("LCh"), N_("HSL"), N_("HSV"), N_("none"), NULL }

const gchar *	dt_lib_colorpicker_statistic_names [] = { N_("mean"), N_("min"), N_("max"), NULL }

Macro Definition Documentation

◆ GAMMA

#define GAMMA 1.f / 1.5f

◆ HISTOGRAM_BINS

#define HISTOGRAM_BINS 256

◆ TONES

#define TONES 128

Typedef Documentation

◆ dt_lib_colorpicker_model_t

typedef enum dt_lib_colorpicker_model_t dt_lib_colorpicker_model_t

◆ dt_lib_histogram_cache_t

typedef struct dt_lib_histogram_cache_t dt_lib_histogram_cache_t

◆ dt_lib_histogram_scope_type_t

typedef enum dt_lib_histogram_scope_type_t dt_lib_histogram_scope_type_t

◆ dt_lib_histogram_t

typedef struct dt_lib_histogram_t dt_lib_histogram_t

Enumeration Type Documentation

◆ dt_lib_colorpicker_model_t

enum dt_lib_colorpicker_model_t

Enumerator
DT_LIB_COLORPICKER_MODEL_RGB
DT_LIB_COLORPICKER_MODEL_LAB
DT_LIB_COLORPICKER_MODEL_LCH
DT_LIB_COLORPICKER_MODEL_HSL
DT_LIB_COLORPICKER_MODEL_HSV
DT_LIB_COLORPICKER_MODEL_NONE

◆ dt_lib_histogram_scope_type_t

enum dt_lib_histogram_scope_type_t

Enumerator
DT_LIB_HISTOGRAM_SCOPE_HISTOGRAM
DT_LIB_HISTOGRAM_SCOPE_WAVEFORM_HORIZONTAL
DT_LIB_HISTOGRAM_SCOPE_WAVEFORM_VERTICAL
DT_LIB_HISTOGRAM_SCOPE_PARADE_HORIZONTAL
DT_LIB_HISTOGRAM_SCOPE_PARADE_VERTICAL
DT_LIB_HISTOGRAM_SCOPE_VECTORSCOPE
DT_LIB_HISTOGRAM_SCOPE_N

Function Documentation

◆ _add_sample()

static void _add_sample	(	GtkButton *	widget,
		dt_lib_module_t *	self
	)

static

◆ _area_scrolled_callback()

static gboolean _area_scrolled_callback	(	GtkWidget *	widget,
		GdkEventScroll *	event,
		dt_lib_histogram_t *	d
	)

static

References _is_backbuf_ready(), _redraw_scopes(), _redraw_surface(), dt_lib_histogram_t::display, dt_bauhaus_combobox_get(), dt_conf_set_float(), dt_gui_get_scroll_unit_deltas(), DT_LIB_HISTOGRAM_SCOPE_VECTORSCOPE, FALSE, TRUE, and dt_lib_histogram_t::zoom.

Referenced by gui_init().

◆ _backbuf_int_to_op()

void _backbuf_int_to_op	(	const int	value,
		dt_lib_histogram_t *	d
	)

References dt_lib_histogram_t::op.

Referenced by _stage_callback().

◆ _backbuf_op_to_int()

int _backbuf_op_to_int ( dt_lib_histogram_t * d )

References dt_lib_histogram_t::op.

Referenced by _scope_pixel_to_display_rgb(), _scope_pixel_to_xyz(), and _set_params().

◆ _bin_pickers_histogram()

static void _bin_pickers_histogram	(	const float *const restrict	image,
		const size_t	width,
		const size_t	height,
		uint32_t *	bins,
		dt_colorpicker_sample_t *	sample
	)

inlinestatic

References _bin_pixels_histogram_in_roi(), dt_colorpicker_sample_t::box, DT_LIB_COLORPICKER_SIZE_BOX, height, dt_colorpicker_sample_t::point, dt_colorpicker_sample_t::size, and width.

Referenced by _process_histogram().

◆ _bin_pickers_vectorscope()

static void _bin_pickers_vectorscope	(	const float *const restrict	image,
		uint32_t *const restrict	vectorscope,
		const size_t	width,
		const size_t	height,
		const float	zoom,
		dt_lib_histogram_t *	d,
		const dt_colorpicker_sample_t *const	sample
	)

inlinestatic

References _bin_pixels_vectorscope_in_roi(), dt_colorpicker_sample_t::box, DT_LIB_COLORPICKER_SIZE_BOX, height, dt_colorpicker_sample_t::point, dt_colorpicker_sample_t::size, and width.

Referenced by _bin_vectorscope().

◆ _bin_pickers_waveforms()

static void _bin_pickers_waveforms	(	const float *const restrict	image,
		uint32_t *const restrict	bins,
		const size_t	width,
		const size_t	height,
		const size_t	binning_size,
		const gboolean	vertical,
		dt_colorpicker_sample_t *	sample
	)

inlinestatic

References _bin_pixels_waveform_in_roi(), dt_colorpicker_sample_t::box, DT_LIB_COLORPICKER_SIZE_BOX, height, dt_colorpicker_sample_t::point, dt_colorpicker_sample_t::size, and width.

Referenced by _bin_pixels_waveform().

◆ _bin_pixels_histogram_in_roi()

static void _bin_pixels_histogram_in_roi	(	const float *const restrict	image,
		uint32_t *const restrict	bins,
		const size_t	min_x,
		const size_t	max_x,
		const size_t	min_y,
		const size_t	max_y,
		const size_t	width
	)

inlinestatic

References HISTOGRAM_BINS, and width.

Referenced by _bin_pickers_histogram(), and _process_histogram().

◆ _bin_pixels_vectorscope_in_roi()

static void _bin_pixels_vectorscope_in_roi	(	const float *const restrict	image,
		uint32_t *const restrict	vectorscope,
		const size_t	min_x,
		const size_t	max_x,
		const size_t	min_y,
		const size_t	max_y,
		const size_t	width,
		const float	zoom,
		dt_lib_histogram_t *	d
	)

static

References _Luv_to_vectorscope_coord_zoom(), _scope_pixel_to_xyz(), dt_xyY_to_Luv(), dt_XYZ_to_xyY(), HISTOGRAM_BINS, and width.

Referenced by _bin_pickers_vectorscope(), and _bin_vectorscope().

◆ _bin_pixels_waveform()

static void _bin_pixels_waveform	(	const float *const restrict	image,
		uint32_t *const restrict	bins,
		const size_t	width,
		const size_t	height,
		const size_t	binning_size,
		const gboolean	vertical
	)

inlinestatic

References _bin_pickers_waveforms(), _bin_pixels_waveform_in_roi(), dt_lib_t::colorpicker, darktable, dt_conf_get_bool(), height, darktable_t::lib, dt_lib_t::live_samples, dt_lib_t::picker_proxy, dt_lib_t::primary_sample, dt_lib_t::proxy, and width.

Referenced by _process_waveform().

◆ _bin_pixels_waveform_in_roi()

static void _bin_pixels_waveform_in_roi	(	const float *const restrict	image,
		uint32_t *const restrict	bins,
		const size_t	min_x,
		const size_t	max_x,
		const size_t	min_y,
		const size_t	max_y,
		const size_t	width,
		const size_t	binning_size,
		const gboolean	vertical
	)

inlinestatic

References TONES, and width.

Referenced by _bin_pickers_waveforms(), and _bin_pixels_waveform().

◆ _bin_vectorscope()

static void _bin_vectorscope	(	const float *const restrict	image,
		uint32_t *const	vectorscope,
		const size_t	width,
		const size_t	height,
		const float	zoom,
		dt_lib_histogram_t *	d
	)

static

References _bin_pickers_vectorscope(), _bin_pixels_vectorscope_in_roi(), dt_lib_t::colorpicker, darktable, dt_conf_get_bool(), height, HISTOGRAM_BINS, darktable_t::lib, dt_lib_t::live_samples, dt_lib_t::picker_proxy, dt_lib_t::primary_sample, dt_lib_t::proxy, and width.

Referenced by _process_vectorscope().

◆ _color_mode_changed()

static void _color_mode_changed	(	GtkWidget *	widget,
		dt_lib_module_t *	self
	)

static

References _update_everything(), dt_lib_module_t::data, dt_bauhaus_combobox_get(), dt_conf_set_string(), dt_lib_colorpicker_model_names, and dt_lib_histogram_t::model.

Referenced by gui_init().

◆ _create_vectorscope_image()

static void _create_vectorscope_image	(	const uint32_t *const restrict	vectorscope,
		uint8_t *const restrict	image,
		const uint32_t	max_hist,
		const float	zoom
	)

static

References _vectorscope_coord_zoom_to_Luv(), darktable, darktable_t::develop, dt_apply_transposed_color_matrix(), dt_Luv_to_xyY(), dt_xyY_to_XYZ(), HISTOGRAM_BINS, dt_iop_order_iccprofile_info_t::matrix_out_transposed, dt_dev_pixelpipe_t::output_profile_info, and dt_develop_t::preview_pipe.

Referenced by _process_vectorscope().

◆ _create_waveform_image()

static void _create_waveform_image	(	const uint32_t *const restrict	bins,
		uint8_t *const restrict	image,
		const uint32_t	max_hist,
		const size_t	width,
		const size_t	height
	)

static

References GAMMA, height, and width.

Referenced by _process_waveform().

◆ _destroy_surface()

static void _destroy_surface ( dt_lib_histogram_t * d )

static

References dt_lib_histogram_t::cst.

Referenced by _trigger_recompute(), gui_cleanup(), and gui_reset().

◆ _display_callback()

void _display_callback	(	GtkWidget *	widget,
		dt_lib_module_t *	self
	)

References _redraw_scopes(), _trigger_recompute(), dt_lib_module_t::data, dt_lib_histogram_t::display, dt_bauhaus_combobox_get(), and dt_conf_set_int().

Referenced by gui_init().

◆ _display_samples_changed()

static void _display_samples_changed	(	GtkToggleButton *	button,
		dt_lib_module_t *	self
	)

static

References _update_everything(), dt_lib_t::colorpicker, darktable, dt_lib_t::display_samples, dt_conf_set_bool(), dt_control_queue_redraw_center(), darktable_t::lib, and dt_lib_t::proxy.

Referenced by gui_init().

◆ _draw_callback()

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

static

References dt_lib_histogram_t::cst.

Referenced by gui_init().

◆ _find_max_histogram()

uint32_t _find_max_histogram	(	const uint32_t *const restrict	bins,
		const size_t	binning_size
	)

Referenced by _process_histogram(), _process_vectorscope(), and _process_waveform().

◆ _get_allocation_size()

void _get_allocation_size	(	dt_lib_histogram_t *	d,
		int *	width,
		int *	height
	)

References height, dt_lib_histogram_t::scope_draw, and width.

Referenced by _redraw_surface(), and _trigger_recompute().

◆ _get_backuf()

dt_backbuf_t * _get_backuf	(	dt_develop_t *	dev,
		const char *	op
	)

References dt_develop_t::display_histogram, dt_develop_t::output_histogram, and dt_develop_t::raw_histogram.

Referenced by _lib_histogram_preview_updated_callback(), _set_params(), and _stage_callback().

◆ _is_backbuf_ready()

static gboolean _is_backbuf_ready ( dt_lib_histogram_t * d )

static

References dt_lib_histogram_t::backbuf, dt_backbuf_t::buffer, darktable, darktable_t::develop, DT_DEV_PIXELPIPE_VALID, dt_backbuf_t::hash, dt_develop_t::preview_pipe, and dt_dev_pixelpipe_t::status.

Referenced by _area_scrolled_callback(), and _trigger_recompute().

◆ _label_size_allocate_callback()

static void _label_size_allocate_callback	(	GtkWidget *	widget,
		GdkRectangle *	allocation,
		gpointer	user_data
	)

static

Referenced by _add_sample(), and gui_init().

◆ _lib_histogram_preview_updated_callback()

static void _lib_histogram_preview_updated_callback	(	gpointer	instance,
		dt_lib_module_t *	self
	)

static

References _get_backuf(), _update_everything(), dt_lib_histogram_t::backbuf, darktable, dt_lib_module_t::data, darktable_t::develop, and dt_lib_histogram_t::op.

Referenced by view_enter(), and view_leave().

◆ _live_sample_button()

static gboolean _live_sample_button	(	GtkWidget *	widget,
		GdkEventButton *	event,
		dt_colorpicker_sample_t *	sample
	)

static

References _set_sample_box_area(), _set_sample_point(), dt_colorpicker_sample_t::box, dt_lib_t::colorpicker, darktable, dt_control_queue_redraw_center(), DT_LIB_COLORPICKER_SIZE_BOX, DT_LIB_COLORPICKER_SIZE_POINT, FALSE, darktable_t::lib, dt_colorpicker_sample_t::locked, dt_lib_t::picker_proxy, dt_colorpicker_sample_t::point, dt_lib_t::proxy, and dt_colorpicker_sample_t::size.

Referenced by _add_sample().

◆ _Luv_to_vectorscope_coord_zoom()

static float _Luv_to_vectorscope_coord_zoom	(	const float	value,
		const float	zoom
	)

static

References HISTOGRAM_BINS.

Referenced by _bin_pixels_vectorscope_in_roi(), and _process_vectorscope().

◆ _mask_waveform()

static void _mask_waveform	(	const uint8_t *const restrict	image,
		uint8_t *const restrict	masked,
		const size_t	width,
		const size_t	height,
		const size_t	channel
	)

static

References height, and width.

Referenced by _paint_parade().

◆ _needs_recompute()

gboolean _needs_recompute	(	dt_lib_histogram_t *	d,
		const int	width,
		const int	height
	)

References dt_lib_histogram_t::backbuf, dt_lib_histogram_t::cache, dt_lib_histogram_t::cst, dt_lib_histogram_t::display, dt_bauhaus_combobox_get(), dt_backbuf_t::hash, dt_lib_histogram_cache_t::hash, height, dt_lib_histogram_cache_t::height, dt_lib_histogram_cache_t::view, view(), width, dt_lib_histogram_cache_t::width, dt_lib_histogram_cache_t::zoom, and dt_lib_histogram_t::zoom.

Referenced by _trigger_recompute().

◆ _paint_parade()

static void _paint_parade	(	cairo_t *	cr,
		uint8_t *const restrict	image,
		const int	width,
		const int	height,
		const size_t	img_width,
		const size_t	img_height,
		const gboolean	vertical
	)

static

References _mask_waveform(), double(), dt_alloc_align, dt_free_align, height, TONES, and width.

Referenced by _process_waveform().

◆ _paint_waveform()

static void _paint_waveform	(	cairo_t *	cr,
		uint8_t *const restrict	image,
		const int	width,
		const int	height,
		const size_t	img_width,
		const size_t	img_height,
		const gboolean	vertical
	)

static

References double(), height, TONES, and width.

Referenced by _process_waveform().

◆ _picker_button_toggled()

static void _picker_button_toggled	(	GtkToggleButton *	button,
		dt_lib_histogram_t *	d
	)

static

References dt_lib_histogram_t::add_sample_button.

Referenced by gui_init().

◆ _pixelpipe_pick_from_image()

static void _pixelpipe_pick_from_image	(	const dt_backbuf_t *const	backbuf,
		dt_colorpicker_sample_t *const	sample,
		dt_lib_histogram_t *	d
	)

static

◆ _pixelpipe_pick_samples()

static void _pixelpipe_pick_samples ( dt_lib_histogram_t * d )

static

References _pixelpipe_pick_from_image(), dt_lib_histogram_t::backbuf, dt_lib_t::colorpicker, darktable, darktable_t::lib, dt_lib_t::live_samples, dt_colorpicker_sample_t::locked, dt_lib_t::picker_proxy, dt_lib_t::primary_sample, and dt_lib_t::proxy.

Referenced by _update_everything().

◆ _process_histogram()

static void _process_histogram	(	dt_backbuf_t *	backbuf,
		cairo_t *	cr,
		const int	width,
		const int	height
	)

static

◆ _process_vectorscope()

static void _process_vectorscope	(	dt_backbuf_t *	backbuf,
		cairo_t *	cr,
		const int	width,
		const int	height,
		const float	zoom,
		dt_lib_histogram_t *	d
	)

static

References _bin_vectorscope(), _create_vectorscope_image(), _find_max_histogram(), _Luv_to_vectorscope_coord_zoom(), dt_backbuf_t::buffer, colors, darktable, darktable_t::develop, dt_alloc_align, dt_apply_transposed_color_matrix(), dt_free_align, dt_ioppr_rgb_matrix_to_xyz(), dt_Lch_to_Luv(), dt_Luv_to_Lch(), dt_Luv_to_xyY(), DT_PIXEL_APPLY_DPI, dt_xyY_to_Luv(), dt_xyY_to_XYZ(), dt_XYZ_to_xyY(), error(), height, dt_backbuf_t::height, HISTOGRAM_BINS, dt_iop_order_iccprofile_info_t::lut_in, dt_iop_order_iccprofile_info_t::lutsize, M_PI, M_PI_F, dt_iop_order_iccprofile_info_t::matrix_in_transposed, dt_iop_order_iccprofile_info_t::matrix_out_transposed, dt_iop_order_iccprofile_info_t::nonlinearlut, dt_dev_pixelpipe_t::output_profile_info, dt_develop_t::preview_pipe, width, and dt_backbuf_t::width.

Referenced by _redraw_surface().

◆ _process_waveform()

static void _process_waveform	(	dt_backbuf_t *	backbuf,
		cairo_t *	cr,
		const int	width,
		const int	height,
		const gboolean	vertical,
		const gboolean	parade
	)

static

References _bin_pixels_waveform(), _create_waveform_image(), _find_max_histogram(), _paint_parade(), _paint_waveform(), dt_backbuf_t::buffer, dt_alloc_align, dt_draw_grid(), dt_free_align, error(), height, dt_backbuf_t::height, TONES, width, and dt_backbuf_t::width.

Referenced by _redraw_surface().

◆ _redraw_scopes()

static void _redraw_scopes ( dt_lib_histogram_t * d )

static

References dt_lib_histogram_t::scope_draw.

Referenced by _area_scrolled_callback(), _display_callback(), and _update_everything().

◆ _redraw_surface()

gboolean _redraw_surface ( dt_lib_histogram_t * d )

References _get_allocation_size(), _process_histogram(), _process_vectorscope(), _process_waveform(), dt_lib_histogram_t::backbuf, dt_lib_histogram_t::cache, dt_lib_histogram_t::cst, dt_lib_histogram_t::display, dt_bauhaus_combobox_get(), dt_get_times(), DT_LIB_HISTOGRAM_SCOPE_HISTOGRAM, DT_LIB_HISTOGRAM_SCOPE_PARADE_HORIZONTAL, DT_LIB_HISTOGRAM_SCOPE_PARADE_VERTICAL, DT_LIB_HISTOGRAM_SCOPE_VECTORSCOPE, DT_LIB_HISTOGRAM_SCOPE_WAVEFORM_HORIZONTAL, DT_LIB_HISTOGRAM_SCOPE_WAVEFORM_VERTICAL, dt_show_times_f(), FALSE, dt_backbuf_t::hash, dt_lib_histogram_cache_t::hash, height, dt_lib_histogram_cache_t::height, dt_lib_histogram_t::scope_draw, TRUE, dt_lib_histogram_cache_t::view, width, dt_lib_histogram_cache_t::width, dt_lib_histogram_cache_t::zoom, and dt_lib_histogram_t::zoom.

Referenced by _area_scrolled_callback(), and _trigger_recompute().

◆ _remove_sample()

static void _remove_sample ( dt_colorpicker_sample_t * sample )

static

References dt_lib_t::colorpicker, dt_colorpicker_sample_t::container, darktable, darktable_t::lib, dt_lib_t::live_samples, and dt_lib_t::proxy.

Referenced by _remove_sample_cb(), gui_cleanup(), and gui_reset().

◆ _remove_sample_cb()

static void _remove_sample_cb	(	GtkButton *	widget,
		dt_colorpicker_sample_t *	sample
	)

static

References _remove_sample(), and dt_control_queue_redraw_center().

Referenced by _add_sample().

◆ _reset_cache()

void _reset_cache ( dt_lib_histogram_t * d )

References dt_lib_histogram_t::cache, DT_LIB_HISTOGRAM_SCOPE_N, dt_lib_histogram_cache_t::hash, dt_lib_histogram_cache_t::height, dt_lib_histogram_cache_t::view, dt_lib_histogram_cache_t::width, and dt_lib_histogram_cache_t::zoom.

Referenced by _resize_callback(), gui_init(), gui_reset(), view_enter(), and view_leave().

◆ _resize_callback()

static void _resize_callback	(	GtkWidget *	widget,
		GdkRectangle *	allocation,
		dt_lib_histogram_t *	d
	)

static

References _reset_cache(), and _trigger_recompute().

Referenced by gui_init().

◆ _restrict_histogram_changed()

static void _restrict_histogram_changed	(	GtkToggleButton *	button,
		dt_lib_module_t *	self
	)

static

References _update_everything(), dt_lib_t::colorpicker, darktable, dt_conf_set_bool(), darktable_t::lib, dt_lib_t::proxy, and dt_lib_t::restrict_histogram.

Referenced by gui_init().

◆ _sample_draw_callback()

static gboolean _sample_draw_callback	(	GtkWidget *	widget,
		cairo_t *	cr,
		dt_colorpicker_sample_t *	sample
	)

static

References DT_PIXEL_APPLY_DPI, dtgtk_cairo_paint_lock(), FALSE, height, dt_colorpicker_sample_t::locked, set_color(), dt_colorpicker_sample_t::swatch, and width.

Referenced by _add_sample(), and gui_init().

◆ _sample_enter_callback()

static gboolean _sample_enter_callback	(	GtkWidget *	widget,
		GdkEvent *	event,
		dt_colorpicker_sample_t *	sample
	)

static

References dt_lib_t::colorpicker, darktable, dt_control_queue_redraw_center(), FALSE, darktable_t::lib, dt_lib_t::picker_proxy, dt_lib_t::proxy, and dt_lib_t::selected_sample.

Referenced by _add_sample(), and gui_init().

◆ _sample_leave_callback()

static gboolean _sample_leave_callback	(	GtkWidget *	widget,
		GdkEvent *	event,
		gpointer	data
	)

static

References dt_lib_t::colorpicker, darktable, dt_control_queue_redraw_center(), FALSE, darktable_t::lib, dt_lib_t::proxy, and dt_lib_t::selected_sample.

Referenced by _add_sample(), and gui_init().

◆ _sample_tooltip_callback()

static gboolean _sample_tooltip_callback	(	GtkWidget *	widget,
		gint	x,
		gint	y,
		gboolean	keyboard_mode,
		GtkTooltip *	tooltip,
		const dt_colorpicker_sample_t *	sample
	)