colorchecker.c File Reference

#include "common/darktable.h"
#include "bauhaus/bauhaus.h"
#include "common/colorspaces_inline_conversions.h"
#include "common/math.h"
#include "common/opencl.h"
#include "common/exif.h"
#include "control/control.h"
#include "develop/develop.h"
#include "develop/imageop.h"
#include "develop/imageop_math.h"
#include "develop/openmp_maths.h"
#include "develop/tiling.h"
#include "dtgtk/drawingarea.h"
#include "gui/gtk.h"
#include "gui/presets.h"
#include "iop/iop_api.h"
#include "iop/gaussian_elimination.h"
#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include <gtk/gtk.h>
#include <inttypes.h>

Include dependency graph for colorchecker.c:

Data Structures
struct	dt_iop_colorchecker_params_t
struct	dt_iop_colorchecker_gui_data_t
struct	dt_iop_colorchecker_data_t
struct	dt_iop_colorchecker_global_data_t

Macros
#define	MAX_PATCHES   49

Typedefs
typedef struct dt_iop_colorchecker_params_t	dt_iop_colorchecker_params_t
typedef struct dt_iop_colorchecker_gui_data_t	dt_iop_colorchecker_gui_data_t
typedef struct dt_iop_colorchecker_data_t	dt_iop_colorchecker_data_t
typedef struct dt_iop_colorchecker_global_data_t	dt_iop_colorchecker_global_data_t

Functions
const char *	name ()
const char *	aliases ()
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, const dt_dev_pixelpipe_iop_t *piece)
void	input_format (dt_iop_module_t *self, dt_dev_pixelpipe_t *pipe, dt_dev_pixelpipe_iop_t *piece, dt_iop_buffer_dsc_t *dsc)
int	legacy_params (dt_iop_module_t *self, const void *const old_params, const int old_version, void *new_params, const int new_version)
void	init_presets (dt_iop_module_so_t *self)
static float	kernel (const float *x, const float *y)
int	process (struct dt_iop_module_t *self, const dt_dev_pixelpipe_t *pipe, const dt_dev_pixelpipe_iop_t *piece, const void *const ivoid, void *const ovoid)
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)
void	gui_reset (struct dt_iop_module_t *self)
void	_colorchecker_rebuild_patch_list (struct dt_iop_module_t *self)
void	_colorchecker_update_sliders (struct dt_iop_module_t *self)
void	gui_update (struct dt_iop_module_t *self)
void	init (dt_iop_module_t *module)
void	init_global (dt_iop_module_so_t *module)
void	cleanup_global (dt_iop_module_so_t *module)
void	color_picker_apply (dt_iop_module_t *self, GtkWidget *picker, dt_dev_pixelpipe_t *pipe, dt_dev_pixelpipe_iop_t *piece)
static void	target_L_callback (GtkWidget *slider, gpointer user_data)
static void	target_a_callback (GtkWidget *slider, gpointer user_data)
static void	target_b_callback (GtkWidget *slider, gpointer user_data)
static void	target_C_callback (GtkWidget *slider, gpointer user_data)
static void	target_callback (GtkWidget *combo, gpointer user_data)
static void	patch_callback (GtkWidget *combo, gpointer user_data)
static gboolean	checker_draw (GtkWidget *widget, cairo_t *crf, gpointer user_data)
static gboolean	checker_motion_notify (GtkWidget *widget, GdkEventMotion *event, gpointer user_data)
static gboolean	checker_button_press (GtkWidget *widget, GdkEventButton *event, gpointer user_data)
static gboolean	checker_leave_notify (GtkWidget *widget, GdkEventCrossing *event, gpointer user_data)
void	gui_init (struct dt_iop_module_t *self)

Variables
static const int	colorchecker_patches = 24
static const float	colorchecker_Lab []

Macro Definition Documentation

MAX_PATCHES

#define MAX_PATCHES   49

Typedef Documentation

dt_iop_colorchecker_data_t

typedef struct dt_iop_colorchecker_data_t dt_iop_colorchecker_data_t

dt_iop_colorchecker_global_data_t

typedef struct dt_iop_colorchecker_global_data_t dt_iop_colorchecker_global_data_t

dt_iop_colorchecker_gui_data_t

typedef struct dt_iop_colorchecker_gui_data_t dt_iop_colorchecker_gui_data_t

dt_iop_colorchecker_params_t

typedef struct dt_iop_colorchecker_params_t dt_iop_colorchecker_params_t

Function Documentation

_colorchecker_rebuild_patch_list()

void _colorchecker_rebuild_patch_list

(

struct dt_iop_module_t *

self

)

Todo:

: why not just use g->patch for everything?

References dt_bauhaus_combobox_add(), dt_bauhaus_combobox_clear(), dt_bauhaus_combobox_get(), dt_bauhaus_combobox_length(), dtgtk_drawing_area_set_aspect_ratio(), g, dt_iop_module_t::gui_data, p, and dt_iop_module_t::params.

Referenced by checker_button_press(), and gui_update().

_colorchecker_update_sliders()

void _colorchecker_update_sliders

(

struct dt_iop_module_t *

self

)

References dt_bauhaus_slider_set(), g, dt_iop_module_t::gui_data, p, and dt_iop_module_t::params.

Referenced by checker_button_press(), color_picker_apply(), gui_update(), patch_callback(), and target_callback().

aliases()

const char * aliases

(

)

checker_button_press()

static gboolean checker_button_press ( GtkWidget *  widget, GdkEventButton *  event, gpointer  user_data  )

static

References _colorchecker_rebuild_patch_list(), _colorchecker_update_sliders(), darktable, darktable_t::develop, dt_bauhaus_combobox_set(), dt_dev_add_history_item, dt_modifier_is(), DT_REQUEST_COLORPICK_MODULE, FALSE, g, darktable_t::gui, dt_iop_module_t::gui_data, height, i, MAX_PATCHES, MIN, p, dt_iop_module_t::params, dt_iop_module_t::picked_color, dt_iop_module_t::request_color_pick, dt_gui_gtk_t::reset, TRUE, and width.

Referenced by gui_init().

checker_draw()

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

static

References dt_cairo_image_surface_create(), dt_Lab_to_XYZ(), DT_PIXEL_APPLY_DPI, dt_XYZ_to_sRGB(), g, dt_iop_module_t::gui_data, height, i, Lab, p, dt_iop_module_t::params, rgb, TRUE, width, and XYZ.

Referenced by gui_init().

checker_leave_notify()

static gboolean checker_leave_notify ( GtkWidget *  widget, GdkEventCrossing *  event, gpointer  user_data  )

static

References FALSE.

Referenced by gui_init().

checker_motion_notify()

static gboolean checker_motion_notify ( GtkWidget *  widget, GdkEventMotion *  event, gpointer  user_data  )

static

References FALSE, g, dt_iop_module_t::gui_data, height, p, dt_iop_module_t::params, tooltip, TRUE, and width.

Referenced by gui_init().

cleanup_global()

void cleanup_global

(

dt_iop_module_so_t *

module

)

References dt_iop_module_so_t::data, dt_free, dt_opencl_free_kernel(), and dt_iop_colorchecker_global_data_t::kernel_colorchecker.

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, and dt_free_align.

color_picker_apply()

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

References _colorchecker_update_sliders(), darktable, dt_bauhaus_combobox_set(), DT_REQUEST_COLORPICK_MODULE, g, darktable_t::gui, dt_iop_module_t::gui_data, Lab, p, dt_iop_module_t::params, dt_iop_module_t::picked_color, dt_iop_module_t::request_color_pick, dt_gui_gtk_t::reset, and sqf().

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 A, b, d, dt_dev_pixelpipe_iop_t::data, dt_free, gauss_make_triangular(), gauss_solve(), gauss_solve_triangular(), i, kernel(), MAX_PATCHES, N, and p.

default_colorspace()

int default_colorspace	(	dt_iop_module_t *	self,
		dt_dev_pixelpipe_t *	pipe,
		const 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_ALLOW_TILING, and IOP_FLAGS_SUPPORTS_BLENDING.

gui_init()

void gui_init

(

struct dt_iop_module_t *

self

)

References darktable_t::bauhaus, checker_button_press(), checker_draw(), checker_leave_notify(), checker_motion_notify(), darktable, dt_iop_module_t::default_params, dt_bauhaus_combobox_add(), dt_bauhaus_combobox_new(), dt_bauhaus_slider_new_with_range(), dt_bauhaus_slider_set_stop(), DT_BAUHAUS_SPACE, dt_bauhaus_widget_set_label(), dt_color_picker_new(), DT_COLOR_PICKER_POINT_AREA, DT_GUI_MODULE, dtgtk_drawing_area_new_with_aspect_ratio(), g, IOP_GUI_ALLOC, p, patch_callback(), target_a_callback(), target_b_callback(), target_C_callback(), target_callback(), target_L_callback(), TRUE, and dt_iop_module_t::widget.

gui_reset()

void gui_reset

(

struct dt_iop_module_t *

self

)

References dt_iop_color_picker_reset(), and TRUE.

gui_update()

void gui_update

(

struct dt_iop_module_t *

self

)

Todo:

check why needed

Todo:

by hand

References _colorchecker_rebuild_patch_list(), _colorchecker_update_sliders(), g, and dt_iop_module_t::gui_data.

init()

void init

(

dt_iop_module_t *

module

)

References colorchecker_Lab, colorchecker_patches, d, and dt_iop_colorchecker_params_t::num_patches.

init_global()

void init_global

(

dt_iop_module_so_t *

module

)

References dt_opencl_create_kernel(), and dt_iop_colorchecker_global_data_t::kernel_colorchecker.

init_pipe()

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

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

init_presets()

void init_presets

(

dt_iop_module_so_t *

self

)

The following are based on Jo's Fuji film emulations, without tonecurve which is let to user choice https://jo.dreggn.org/blog/ansel-fuji-styles.tar.xz

References DEVELOP_BLEND_CS_RGB_DISPLAY, dt_exif_xmp_decode(), dt_free, dt_gui_presets_add_generic(), dt_iop_module_so_t::op, and p.

input_format()

void input_format	(	dt_iop_module_t *	self,
		dt_dev_pixelpipe_t *	pipe,
		dt_dev_pixelpipe_iop_t *	piece,
		dt_iop_buffer_dsc_t *	dsc
	)

References dt_iop_buffer_dsc_t::channels, dt_iop_buffer_dsc_t::datatype, default_input_format(), and TYPE_FLOAT.

kernel()

static float kernel ( const float *  x, const float *  y  )

inlinestatic

References fastlog(), MAX, and x.

Referenced by _compute_downsampling_kernel(), _compute_upsampling_kernel(), _masks_blur_13x13_coeff(), _masks_blur_5x5_coeff(), _prepare_resampling_plan(), build_matrix(), commit_params(), compute_kernel(), dt_focuspeaking(), dt_masks_blur_9x9_coeff(), edge_enhance_1d(), gaussian_kernel(), gaussian_sampler(), isotrope_laplacian(), process(), and process().

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_colorchecker_params_t::num_patches, dt_iop_colorchecker_params_t::source_a, dt_iop_colorchecker_params_t::source_b, dt_iop_colorchecker_params_t::source_L, dt_iop_colorchecker_params_t::target_a, dt_iop_colorchecker_params_t::target_b, and dt_iop_colorchecker_params_t::target_L.

name()

const char * name

(

)

patch_callback()

static void patch_callback ( GtkWidget *  combo, gpointer  user_data  )

static

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

Referenced by gui_init().

process()

int process	(	struct dt_iop_module_t *	self,
		const dt_dev_pixelpipe_t *	pipe,
		const dt_dev_pixelpipe_iop_t *	piece,
		const void *const	ivoid,
		void *const	ovoid
	)

References dt_iop_colorchecker_data_t::coeff_a, dt_iop_colorchecker_data_t::coeff_b, dt_iop_colorchecker_data_t::coeff_L, dt_dev_pixelpipe_iop_t::data, DT_DEV_PIXELPIPE_DISPLAY_MASK, dt_iop_alpha_copy(), dt_iop_roi_t::height, i, kernel(), dt_dev_pixelpipe_t::mask_display, dt_iop_colorchecker_data_t::num_patches, out, dt_dev_pixelpipe_iop_t::roi_in, dt_dev_pixelpipe_iop_t::roi_out, dt_iop_colorchecker_data_t::source_Lab, and dt_iop_roi_t::width.

target_a_callback()

static void target_a_callback ( GtkWidget *  slider, gpointer  user_data  )

static

References darktable, darktable_t::develop, dt_bauhaus_slider_get(), dt_bauhaus_slider_set(), dt_dev_add_history_item, g, darktable_t::gui, dt_iop_module_t::gui_data, p, dt_iop_module_t::params, dt_gui_gtk_t::reset, and TRUE.

Referenced by gui_init().

target_b_callback()

static void target_b_callback ( GtkWidget *  slider, gpointer  user_data  )

static

References darktable, darktable_t::develop, dt_bauhaus_slider_get(), dt_bauhaus_slider_set(), dt_dev_add_history_item, g, darktable_t::gui, dt_iop_module_t::gui_data, p, dt_iop_module_t::params, dt_gui_gtk_t::reset, and TRUE.

Referenced by gui_init().

target_C_callback()

static void target_C_callback ( GtkWidget *  slider, gpointer  user_data  )

static

References darktable, darktable_t::develop, dt_bauhaus_slider_get(), dt_bauhaus_slider_set(), dt_dev_add_history_item, g, darktable_t::gui, dt_iop_module_t::gui_data, MAX, p, dt_iop_module_t::params, dt_gui_gtk_t::reset, and TRUE.

Referenced by gui_init().

target_callback()

static void target_callback ( GtkWidget *  combo, gpointer  user_data  )

static

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

Referenced by gui_init().

target_L_callback()

static void target_L_callback ( GtkWidget *  slider, gpointer  user_data  )

static

References darktable, darktable_t::develop, dt_bauhaus_slider_get(), dt_dev_add_history_item, g, dt_iop_module_t::gui_data, p, dt_iop_module_t::params, and TRUE.

Referenced by gui_init().

Variable Documentation

colorchecker_Lab

const float colorchecker_Lab[]

static

Initial value:

=
{ 
 37.99,   13.56,  14.06, 
 65.71,   18.13,  17.81, 
 49.93,   -4.88, -21.93, 
 43.14,  -13.10,  21.91, 
 55.11,    8.84, -25.40, 
 70.72,  -33.40, -0.20 , 
 62.66,   36.07,  57.10, 
 40.02,   10.41, -45.96, 
 51.12,   48.24,  16.25, 
 30.33,   22.98, -21.59, 
 72.53,  -23.71,  57.26, 
 71.94,  19.36 ,  67.86, 
 28.78,  14.18 , -50.30, 
 55.26,  -38.34,  31.37, 
 42.10,  53.38 ,  28.19, 
 81.73,  4.04  ,  79.82, 
 51.94,  49.99 , -14.57, 
 51.04,  -28.63, -28.64, 
 96.54,  -0.43 ,  1.19 , 
 81.26,  -0.64 , -0.34 , 
 66.77,  -0.73 , -0.50 , 
 50.87,  -0.15 , -0.27 , 
 35.66,  -0.42 , -1.23 , 
 20.46,  -0.08 , -0.97   
}

Referenced by add_hdr_patches(), add_patches_to_array(), init(), main_csv(), process_button_clicked_callback(), and process_data().

colorchecker_patches

const int colorchecker_patches = 24

static

Referenced by init().