histogram.c File Reference

#include <stdint.h>
#include "bauhaus/bauhaus.h"
#include "common/atomic.h"
#include "common/color_picker.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 "develop/pixelpipe_cache.h"
#include "develop/pixelpipe_gui.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_sample_label (dt_lib_module_t *self, dt_colorpicker_sample_t *sample)
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, const char *op)
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

References _label_size_allocate_callback(), _live_sample_button(), _remove_sample_cb(), _sample_draw_callback(), _sample_enter_callback(), _sample_leave_callback(), _sample_tooltip_callback(), _update_everything(), dt_colorpicker_sample_t::backbuf_op, dt_colorpicker_sample_t::color_patch, dt_develop_t::color_picker, dt_colorpicker_sample_t::container, container(), d, darktable, dt_lib_module_t::data, darktable_t::develop, dt_gui_add_class(), dtgtk_cairo_paint_remove(), dtgtk_togglebutton_new(), FALSE, dt_colorpicker_sample_t::locked, dt_colorpicker_sample_t::output_label, dt_develop_t::picker, dt_develop_t::primary_sample, dt_develop_t::samples, dt_develop_t::selected_sample, and TRUE.

Referenced by gui_init().

_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(), d, dt_bauhaus_combobox_get(), dt_conf_set_float(), dt_gui_get_scroll_unit_deltas(), DT_LIB_HISTOGRAM_SCOPE_VECTORSCOPE, FALSE, and TRUE.

Referenced by gui_init().

_backbuf_int_to_op()

void _backbuf_int_to_op	(	const int	value,
		dt_lib_histogram_t *	d
	)

References d, and value.

Referenced by _stage_callback().

_backbuf_op_to_int()

int _backbuf_op_to_int

(

dt_lib_histogram_t *

d

)

References d.

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, width, and x.

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, d, DT_LIB_COLORPICKER_SIZE_BOX, height, dt_colorpicker_sample_t::point, dt_colorpicker_sample_t::size, width, and x.

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, width, and x.

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 c, HISTOGRAM_BINS, i, value, 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(), d, dt_xyY_to_Luv(), dt_XYZ_to_xyY(), HISTOGRAM_BINS, i, Luv, width, xyY, and XYZ_D50.

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_develop_t::color_picker, darktable, darktable_t::develop, dt_conf_get_bool(), height, dt_develop_t::picker, dt_develop_t::primary_sample, dt_develop_t::samples, 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 c, i, TONES, value, 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_develop_t::color_picker, d, darktable, darktable_t::develop, dt_conf_get_bool(), height, HISTOGRAM_BINS, dt_develop_t::picker, dt_develop_t::primary_sample, dt_develop_t::samples, 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(), d, dt_lib_module_t::data, dt_bauhaus_combobox_get(), dt_conf_set_string(), and dt_lib_colorpicker_model_names.

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(), c, darktable, darktable_t::develop, dt_apply_transposed_color_matrix(), dt_Luv_to_xyY(), dt_xyY_to_XYZ(), HISTOGRAM_BINS, i, Luv, dt_iop_order_iccprofile_info_t::matrix_out_transposed, dt_dev_pixelpipe_t::output_profile_info, dt_develop_t::preview_pipe, RGB, value, xyY, and XYZ.

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 d.

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(), d, dt_lib_module_t::data, 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_develop_t::color_picker, darktable, darktable_t::develop, dt_develop_t::display_samples, dt_conf_set_bool(), and dt_control_queue_redraw_center().

Referenced by gui_init().

_draw_callback()

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

static

References d.

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 d, height, and width.

Referenced by _redraw_surface(), and _trigger_recompute().

_is_backbuf_ready()

static gboolean _is_backbuf_ready ( dt_lib_histogram_t *  d )

static

References d, darktable, darktable_t::develop, dt_dev_backbuf_get_hash(), dt_dev_pixelpipe_is_backbufer_valid(), and dt_develop_t::preview_pipe.

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 _update_everything(), d, darktable, dt_lib_module_t::data, darktable_t::develop, and dt_dev_get_histogram_backbuf().

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_develop_t::color_picker, darktable, darktable_t::develop, dt_control_queue_redraw_center(), DT_LIB_COLORPICKER_SIZE_BOX, DT_LIB_COLORPICKER_SIZE_POINT, FALSE, dt_develop_t::histogram_module, dt_colorpicker_sample_t::locked, dt_develop_t::picker, dt_colorpicker_sample_t::point, 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, and value.

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 c, height, i, and width.

Referenced by _paint_parade().

_needs_recompute()

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

References d, dt_bauhaus_combobox_get(), dt_dev_backbuf_get_hash(), height, view(), and width.

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(), c, double(), dt_pixelpipe_cache_alloc_align_cache, dt_pixelpipe_cache_free_align, height, TONES, width, and x.

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 d.

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, const char *  op  )

static

References _scope_pixel_to_display_rgb(), _scope_pixel_to_xyz(), dt_colorpicker_sample_t::box, dt_iop_buffer_dsc_t::channels, d, darktable, dt_pixel_cache_entry_t::data, dt_colorpicker_sample_t::display, dt_color_picker_helper(), dt_dev_backbuf_get_hash(), dt_dev_pixelpipe_cache_close_read_only(), dt_dev_pixelpipe_cache_get_read_only(), DT_LIB_COLORPICKER_SIZE_BOX, DT_LIB_COLORPICKER_SIZE_POINT, DT_LIB_COLORPICKER_STATISTIC_MAX, DT_LIB_COLORPICKER_STATISTIC_MEAN, DT_LIB_COLORPICKER_STATISTIC_MIN, DT_LIB_COLORPICKER_STATISTIC_N, dt_XYZ_to_Lab(), dt_backbuf_t::height, IOP_CS_RGB, dt_colorpicker_sample_t::lab, dt_lib_histogram_t::op, darktable_t::pixelpipe_cache, dt_colorpicker_sample_t::point, dt_colorpicker_sample_t::scope, dt_colorpicker_sample_t::size, TYPE_FLOAT, dt_backbuf_t::width, x, dt_iop_roi_t::x, and XYZ.

Referenced by _pixelpipe_pick_samples().

_pixelpipe_pick_samples()

static void _pixelpipe_pick_samples ( dt_lib_histogram_t *  d )

static

References _pixelpipe_pick_from_image(), dt_colorpicker_sample_t::backbuf_op, dt_develop_t::color_picker, d, darktable, darktable_t::develop, dt_dev_get_histogram_backbuf(), dt_colorpicker_sample_t::locked, dt_develop_t::picker, dt_develop_t::primary_sample, and dt_develop_t::samples.

Referenced by _update_everything().

_process_histogram()

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

static

References _bin_pickers_histogram(), _bin_pixels_histogram_in_roi(), _find_max_histogram(), darktable_t::bauhaus, dt_develop_t::color_picker, darktable, dt_pixel_cache_entry_t::data, darktable_t::develop, dt_conf_get_bool(), dt_dev_backbuf_get_hash(), dt_dev_pixelpipe_cache_close_read_only(), dt_dev_pixelpipe_cache_get_read_only(), dt_draw_grid(), dt_draw_histogram_8(), dt_free, FALSE, dt_bauhaus_t::graph_bg, dt_bauhaus_t::graph_colors, dt_bauhaus_t::graph_grid, height, dt_backbuf_t::height, HISTOGRAM_BINS, dt_develop_t::picker, darktable_t::pixelpipe_cache, dt_develop_t::primary_sample, dt_develop_t::samples, set_color(), width, and dt_backbuf_t::width.

Referenced by _redraw_surface().

_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(), c, colors, d, darktable, dt_pixel_cache_entry_t::data, darktable_t::develop, dt_apply_transposed_color_matrix(), dt_dev_backbuf_get_hash(), dt_dev_pixelpipe_cache_close_read_only(), dt_dev_pixelpipe_cache_get_read_only(), dt_ioppr_rgb_matrix_to_xyz(), dt_Lch_to_Luv(), dt_Luv_to_Lch(), dt_Luv_to_xyY(), DT_PIXEL_APPLY_DPI, dt_pixelpipe_cache_alloc_align_cache, dt_pixelpipe_cache_free_align, dt_xyY_to_Luv(), dt_xyY_to_XYZ(), dt_XYZ_to_xyY(), error(), h, height, dt_backbuf_t::height, HISTOGRAM_BINS, Lch, dt_iop_order_iccprofile_info_t::lut_in, dt_iop_order_iccprofile_info_t::lutsize, Luv, 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, darktable_t::pixelpipe_cache, dt_develop_t::preview_pipe, RGB, width, dt_backbuf_t::width, x, xyY, XYZ, and XYZ_D50.

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(), darktable, dt_pixel_cache_entry_t::data, dt_dev_backbuf_get_hash(), dt_dev_pixelpipe_cache_close_read_only(), dt_dev_pixelpipe_cache_get_read_only(), dt_draw_grid(), dt_pixelpipe_cache_alloc_align_cache, dt_pixelpipe_cache_free_align, error(), height, dt_backbuf_t::height, darktable_t::pixelpipe_cache, TONES, width, and dt_backbuf_t::width.

Referenced by _redraw_surface().

_redraw_scopes()

static void _redraw_scopes ( dt_lib_histogram_t *  d )

static

References d.

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(), d, dt_bauhaus_combobox_get(), dt_dev_backbuf_get_hash(), 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, height, TRUE, and width.

Referenced by _area_scrolled_callback(), and _trigger_recompute().

_remove_sample()

static void _remove_sample ( dt_colorpicker_sample_t *  sample )

static

References dt_develop_t::color_picker, dt_colorpicker_sample_t::container, darktable, darktable_t::develop, dt_free, and dt_develop_t::samples.

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 d, and DT_LIB_HISTOGRAM_SCOPE_N.

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(), _trigger_recompute(), and d.

Referenced by gui_init().

_restrict_histogram_changed()

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

static

References _update_everything(), dt_develop_t::color_picker, darktable, darktable_t::develop, dt_conf_set_bool(), and dt_develop_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_develop_t::color_picker, darktable, darktable_t::develop, dt_control_queue_redraw_center(), FALSE, dt_develop_t::picker, and dt_develop_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_develop_t::color_picker, darktable, darktable_t::develop, dt_control_queue_redraw_center(), FALSE, and dt_develop_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  )

static

Todo:

: workaround added in order to fix #9908, probably a Gtk issue, remove when fixed upstream

References dt_colorpicker_sample_t::display, dt_free, dt_gui_add_class(), DT_LIB_COLORPICKER_STATISTIC_MEAN, DT_LIB_COLORPICKER_STATISTIC_N, dt_lib_colorpicker_statistic_names, i, dt_colorpicker_sample_t::lab, dt_colorpicker_sample_t::label_rgb, Lch_to_color_name(), dt_colorpicker_sample_t::scope, tooltip, TRUE, and view().

Referenced by _add_sample(), and gui_init().

_scope_pixel_to_display_rgb()

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

References _backbuf_op_to_int(), c, d, darktable, darktable_t::develop, dt_ioppr_transform_image_colorspace_rgb(), for_each_channel, dt_dev_pixelpipe_t::input_profile_info, dt_dev_pixelpipe_t::output_profile_info, and dt_develop_t::preview_pipe.

Referenced by _pixelpipe_pick_from_image().

_scope_pixel_to_xyz()

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

References _backbuf_op_to_int(), d, darktable, darktable_t::develop, dt_ioppr_rgb_matrix_to_xyz(), dt_dev_pixelpipe_t::input_profile_info, dt_iop_order_iccprofile_info_t::lut_in, dt_iop_order_iccprofile_info_t::lutsize, dt_iop_order_iccprofile_info_t::matrix_in_transposed, dt_iop_order_iccprofile_info_t::nonlinearlut, dt_dev_pixelpipe_t::output_profile_info, and dt_develop_t::preview_pipe.

Referenced by _bin_pixels_vectorscope_in_roi(), and _pixelpipe_pick_from_image().

_set_params()

void _set_params

(

dt_lib_histogram_t *

d

)

References _backbuf_op_to_int(), d, darktable, darktable_t::develop, dt_bauhaus_combobox_entry_set_sensitive(), dt_bauhaus_combobox_set(), dt_conf_get_float(), dt_conf_get_int(), dt_conf_get_string_const(), dt_dev_get_histogram_backbuf(), dt_image_is_raw(), DT_LIB_HISTOGRAM_SCOPE_VECTORSCOPE, and dt_develop_t::image_storage.

Referenced by gui_init(), and gui_reset().

_set_sample_box_area()

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

static

References _update_everything(), _update_size(), dt_colorpicker_sample_t::box, dt_develop_t::color_picker, darktable, darktable_t::develop, DT_LIB_COLORPICKER_SIZE_BOX, and dt_develop_t::primary_sample.

Referenced by _live_sample_button().

_set_sample_point()

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

static

References _update_everything(), _update_size(), dt_develop_t::color_picker, darktable, darktable_t::develop, DT_LIB_COLORPICKER_SIZE_POINT, dt_colorpicker_sample_t::point, and dt_develop_t::primary_sample.

Referenced by _live_sample_button().

_stage_callback()

void _stage_callback	(	GtkWidget *	widget,
		dt_lib_module_t *	self
	)

References _backbuf_int_to_op(), _update_everything(), d, darktable, dt_lib_module_t::data, darktable_t::develop, dt_bauhaus_combobox_entry_set_sensitive(), dt_bauhaus_combobox_get(), dt_conf_set_string(), dt_dev_get_histogram_backbuf(), dt_dev_refresh_preview_histograms(), DT_LIB_HISTOGRAM_SCOPE_VECTORSCOPE, and value.

Referenced by gui_init().

_statistic_changed()

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

static

References _update_everything(), dt_develop_t::color_picker, d, darktable, dt_lib_module_t::data, darktable_t::develop, dt_bauhaus_combobox_get(), dt_conf_set_string(), dt_lib_colorpicker_statistic_names, and dt_develop_t::statistic.

Referenced by gui_init().

_trigger_recompute()

gboolean _trigger_recompute

(

dt_lib_histogram_t *

d

)

References _destroy_surface(), _get_allocation_size(), _is_backbuf_ready(), _needs_recompute(), _redraw_surface(), d, dt_cairo_image_surface_create(), height, and width.

Referenced by _display_callback(), _resize_callback(), _update_everything(), and gui_reset().

_update_everything()

static void _update_everything ( dt_lib_module_t *  self )

static

References _pixelpipe_pick_samples(), _redraw_scopes(), _trigger_recompute(), _update_sample_label(), dt_develop_t::color_picker, d, darktable, dt_lib_module_t::data, darktable_t::develop, dt_develop_t::picker, dt_develop_t::primary_sample, and dt_develop_t::samples.

Referenced by _add_sample(), _color_mode_changed(), _display_samples_changed(), _lib_histogram_preview_updated_callback(), _restrict_histogram_changed(), _set_sample_box_area(), _set_sample_point(), _stage_callback(), _statistic_changed(), and _update_picker_output().

_update_picker_output()

static void _update_picker_output ( dt_lib_module_t *  self )

static

References _update_everything().

Referenced by _update_size(), and gui_reset().

_update_sample_label()

static void _update_sample_label ( dt_lib_module_t *  self, dt_colorpicker_sample_t *  sample  )

static

References dt_colorpicker_sample_t::color_patch, d, dt_lib_module_t::data, dt_colorpicker_sample_t::display, DT_LIB_COLORPICKER_MODEL_HSL, DT_LIB_COLORPICKER_MODEL_HSV, DT_LIB_COLORPICKER_MODEL_LAB, DT_LIB_COLORPICKER_MODEL_LCH, DT_LIB_COLORPICKER_MODEL_NONE, DT_LIB_COLORPICKER_MODEL_RGB, DT_LIB_COLORPICKER_STATISTIC_MEAN, for_each_channel, dt_colorpicker_sample_t::lab, dt_colorpicker_sample_t::label_rgb, dt_colorpicker_sample_t::output_label, dt_colorpicker_sample_t::scope, and dt_colorpicker_sample_t::swatch.

Referenced by _update_everything().

_update_size()

static void _update_size ( dt_lib_module_t *  self, dt_lib_colorpicker_size_t  size  )

static

References _update_picker_output(), dt_develop_t::color_picker, darktable, darktable_t::develop, dt_develop_t::primary_sample, size, and dt_colorpicker_sample_t::size.

Referenced by _set_sample_box_area(), and _set_sample_point().

_vectorscope_coord_zoom_to_Luv()

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

static

References HISTOGRAM_BINS, and value.

Referenced by _create_vectorscope_image().

container()

uint32_t container

(

dt_lib_module_t *

self

)

References DT_UI_CONTAINER_PANEL_LEFT_CENTER.

Referenced by _add_sample().

expandable()

int expandable

(

dt_lib_module_t *

self

)

gui_cleanup()

void gui_cleanup

(

dt_lib_module_t *

self

)

References _destroy_surface(), _remove_sample(), dt_develop_t::color_picker, d, darktable, dt_lib_module_t::data, darktable_t::develop, dt_iop_color_picker_reset(), dt_pixelpipe_cache_free_align, FALSE, dt_develop_t::histogram_module, and dt_develop_t::samples.

gui_init()

void gui_init

(

dt_lib_module_t *

self

)

References _add_sample(), _area_scrolled_callback(), _color_mode_changed(), _display_callback(), _display_samples_changed(), _draw_callback(), _label_size_allocate_callback(), _picker_button_toggled(), _reset_cache(), _resize_callback(), _restrict_histogram_changed(), _sample_draw_callback(), _sample_enter_callback(), _sample_leave_callback(), _sample_tooltip_callback(), _set_params(), _stage_callback(), _statistic_changed(), darktable_t::bauhaus, dt_colorpicker_sample_t::color_patch, dt_develop_t::color_picker, d, darktable, dt_lib_module_t::data, darktable_t::develop, dt_develop_t::display_samples, dt_bauhaus_combobox_add(), dt_bauhaus_combobox_new(), dt_bauhaus_combobox_new_full(), dt_bauhaus_combobox_set_entries_ellipsis(), dt_bauhaus_widget_set_label(), dt_color_picker_new(), DT_COLOR_PICKER_POINT_AREA, dt_conf_get_bool(), dt_conf_get_string_const(), dt_gui_add_class(), DT_GUI_MODULE, dt_lib_colorpicker_model_names, dt_lib_colorpicker_statistic_names, DT_PIXEL_APPLY_DPI, dt_pixelpipe_cache_alloc_align_cache, dt_ui_scroll_wrap(), dt_ui_section_label_new(), dtgtk_button_new(), dtgtk_cairo_paint_square_plus(), dtgtk_drawing_area_new_with_aspect_ratio(), FALSE, darktable_t::gui, dt_develop_t::histogram_module, i, dt_colorpicker_sample_t::output_label, dt_develop_t::primary_sample, dt_develop_t::restrict_histogram, dt_gui_gtk_t::scroll_mask, dt_colorpicker_sample_t::swatch, TRUE, and dt_lib_module_t::widget.

gui_reset()

void gui_reset

(

dt_lib_module_t *

self

)

References _destroy_surface(), _remove_sample(), _reset_cache(), _set_params(), _trigger_recompute(), _update_picker_output(), dt_develop_t::color_picker, d, darktable, dt_lib_module_t::data, darktable_t::develop, dt_colorpicker_sample_t::display, dt_bauhaus_combobox_set(), dt_dev_pixelpipe_update_history_preview, dt_iop_color_picker_reset(), DT_LIB_COLORPICKER_STATISTIC_N, FALSE, i, dt_colorpicker_sample_t::lab, dt_colorpicker_sample_t::label_rgb, dt_develop_t::primary_sample, dt_develop_t::samples, dt_colorpicker_sample_t::scope, and dt_colorpicker_sample_t::swatch.

name()

const char * name

(

struct dt_lib_module_t *

self

)

position()

int position

(

)

view_enter()

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

References _lib_histogram_preview_updated_callback(), _reset_cache(), d, darktable, dt_lib_module_t::data, DT_DEBUG_CONTROL_SIGNAL_CONNECT, DT_SIGNAL_DEVELOP_PREVIEW_PIPE_FINISHED, and darktable_t::signals.

view_leave()

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

References _lib_histogram_preview_updated_callback(), _reset_cache(), d, darktable, dt_lib_module_t::data, DT_DEBUG_CONTROL_SIGNAL_DISCONNECT, and darktable_t::signals.

views()

const char ** views

(

dt_lib_module_t *

self

)

References v.

Variable Documentation

dt_lib_colorpicker_model_names

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

Referenced by _color_mode_changed(), and gui_init().

dt_lib_colorpicker_statistic_names

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

Referenced by _sample_tooltip_callback(), _statistic_changed(), and gui_init().