histogram.c File Reference

#include <math.h>
#include <stddef.h>
#include <stdint.h>
#include <assert.h>
#include <stdlib.h>
#include "common/colorspaces_inline_conversions.h"
#include "common/darktable.h"
#include "common/histogram.h"
#include "develop/imageop.h"

Include dependency graph for common/histogram.c:

Macros
#define	S(V, params)   ((params->mul) * ((float)V))
#define	P(V, params)   (CLAMP((V), 0, (params->bins_count - 1)))
#define	PU(V, params)   (MIN((V), (params->bins_count - 1)))
#define	PS(V, params)   (P(S(V, params), params))

Functions
static void	histogram_helper_cs_RAW_helper_process_pixel_float (const dt_dev_histogram_collection_params_t *const histogram_params, const float *pixel, uint32_t *histogram)
static void	histogram_helper_cs_RAW (const dt_dev_histogram_collection_params_t *const histogram_params, const void *pixel, uint32_t *histogram, int j, const dt_iop_order_iccprofile_info_t *const profile_info)
static void	histogram_helper_cs_RAW_helper_process_pixel_uint16 (const dt_dev_histogram_collection_params_t *const histogram_params, const uint16_t *pixel, uint32_t *histogram)
void	dt_histogram_helper_cs_RAW_uint16 (const dt_dev_histogram_collection_params_t *const histogram_params, const void *pixel, uint32_t *histogram, int j, const dt_iop_order_iccprofile_info_t *const profile_info)
static void	__attribute__ ((__unused__))
static void	histogram_helper_cs_rgb (const dt_dev_histogram_collection_params_t *const histogram_params, const void *pixel, uint32_t *histogram, int j, const dt_iop_order_iccprofile_info_t *const profile_info)
static void	histogram_helper_cs_rgb_compensated (const dt_dev_histogram_collection_params_t *const histogram_params, const void *pixel, uint32_t *histogram, int j, const dt_iop_order_iccprofile_info_t *const profile_info)
static void	histogram_helper_cs_Lab (const dt_dev_histogram_collection_params_t *const histogram_params, const void *pixel, uint32_t *histogram, int j, const dt_iop_order_iccprofile_info_t *const profile_info)
static void	histogram_helper_cs_Lab_LCh (const dt_dev_histogram_collection_params_t *const histogram_params, const void *pixel, uint32_t *histogram, int j, const dt_iop_order_iccprofile_info_t *const profile_info)
void	dt_histogram_worker (dt_dev_histogram_collection_params_t *const histogram_params, dt_dev_histogram_stats_t *histogram_stats, const void *const pixel, uint32_t **histogram, const dt_worker Worker, const dt_iop_order_iccprofile_info_t *const profile_info)
void	dt_histogram_helper (dt_dev_histogram_collection_params_t *histogram_params, dt_dev_histogram_stats_t *histogram_stats, const dt_iop_colorspace_type_t cst, const dt_iop_colorspace_type_t cst_to, const void *pixel, uint32_t **histogram, const int compensate_middle_grey, const dt_iop_order_iccprofile_info_t *const profile_info)
void	dt_histogram_max_helper (const dt_dev_histogram_stats_t *const histogram_stats, const dt_iop_colorspace_type_t cst, const dt_iop_colorspace_type_t cst_to, uint32_t **histogram, uint32_t *histogram_max)

Macro Definition Documentation

P

#define P	(		V,
			params
	)		(CLAMP((V), 0, (params->bins_count - 1)))

PS

#define PS	(		V,
			params
	)		(P(S(V, params), params))

PU

#define PU	(		V,
			params
	)		(MIN((V), (params->bins_count - 1)))

S

#define S	(		V,
			params
	)		((params->mul) * ((float)V))

Function Documentation

__attribute__()

static void __attribute__ ( (__unused__)  )

inlinestatic

References B, PS, and R.

dt_histogram_helper()

void dt_histogram_helper	(	dt_dev_histogram_collection_params_t *	histogram_params,
		dt_dev_histogram_stats_t *	histogram_stats,
		const dt_iop_colorspace_type_t	cst,
		const dt_iop_colorspace_type_t	cst_to,
		const void *	pixel,
		uint32_t **	histogram,
		const int	compensate_middle_grey,
		const dt_iop_order_iccprofile_info_t *const	profile_info
	)

References dt_dev_histogram_stats_t::ch, dt_histogram_worker(), histogram_helper_cs_Lab(), histogram_helper_cs_Lab_LCh(), histogram_helper_cs_RAW(), histogram_helper_cs_rgb(), histogram_helper_cs_rgb_compensated(), IOP_CS_LAB, IOP_CS_LCH, IOP_CS_RAW, and IOP_CS_RGB.

Referenced by histogram_collect().

dt_histogram_helper_cs_RAW_uint16()

void dt_histogram_helper_cs_RAW_uint16 ( const dt_dev_histogram_collection_params_t *const  histogram_params, const void *  pixel, uint32_t *  histogram, int  j, const dt_iop_order_iccprofile_info_t *const  profile_info  )

inline

References dt_histogram_roi_t::crop_width, dt_histogram_roi_t::crop_x, histogram_helper_cs_RAW_helper_process_pixel_uint16(), dt_dev_histogram_collection_params_t::roi, and dt_histogram_roi_t::width.

Referenced by _deflicker_prepare_histogram().

dt_histogram_max_helper()

void dt_histogram_max_helper	(	const dt_dev_histogram_stats_t *const	histogram_stats,
		const dt_iop_colorspace_type_t	cst,
		const dt_iop_colorspace_type_t	cst_to,
		uint32_t **	histogram,
		uint32_t *	histogram_max
	)

References dt_dev_histogram_stats_t::bins_count, IOP_CS_LAB, IOP_CS_LCH, IOP_CS_RAW, and IOP_CS_RGB.

Referenced by histogram_collect().

dt_histogram_worker()

void dt_histogram_worker	(	dt_dev_histogram_collection_params_t *const	histogram_params,
		dt_dev_histogram_stats_t *	histogram_stats,
		const void *const	pixel,
		uint32_t **	histogram,
		const dt_worker	Worker,
		const dt_iop_order_iccprofile_info_t *const	profile_info
	)

References dt_dev_histogram_collection_params_t::bins_count, dt_dev_histogram_stats_t::bins_count, dt_histogram_roi_t::crop_height, dt_histogram_roi_t::crop_width, dt_histogram_roi_t::crop_x, dt_histogram_roi_t::crop_y, double(), dt_histogram_roi_t::height, dt_dev_histogram_collection_params_t::mul, omp_get_max_threads, omp_get_thread_num, dt_dev_histogram_stats_t::pixels, dt_dev_histogram_collection_params_t::roi, and dt_histogram_roi_t::width.

Referenced by _deflicker_prepare_histogram(), and dt_histogram_helper().

histogram_helper_cs_Lab()

static void histogram_helper_cs_Lab ( const dt_dev_histogram_collection_params_t *const  histogram_params, const void *  pixel, uint32_t *  histogram, int  j, const dt_iop_order_iccprofile_info_t *const  profile_info  )

inlinestatic

References darktable_t::codepath, dt_histogram_roi_t::crop_width, dt_histogram_roi_t::crop_x, darktable, dt_unreachable_codepath, dt_codepath_t::OPENMP_SIMD, dt_dev_histogram_collection_params_t::roi, dt_codepath_t::SSE2, and dt_histogram_roi_t::width.

Referenced by dt_histogram_helper().

histogram_helper_cs_Lab_LCh()

static void histogram_helper_cs_Lab_LCh ( const dt_dev_histogram_collection_params_t *const  histogram_params, const void *  pixel, uint32_t *  histogram, int  j, const dt_iop_order_iccprofile_info_t *const  profile_info  )

inlinestatic

Todo:

: process aligned pixels with SSE

References dt_histogram_roi_t::crop_width, dt_histogram_roi_t::crop_x, dt_dev_histogram_collection_params_t::roi, and dt_histogram_roi_t::width.

Referenced by dt_histogram_helper().

histogram_helper_cs_RAW()

static void histogram_helper_cs_RAW ( const dt_dev_histogram_collection_params_t *const  histogram_params, const void *  pixel, uint32_t *  histogram, int  j, const dt_iop_order_iccprofile_info_t *const  profile_info  )

inlinestatic

References dt_histogram_roi_t::crop_width, dt_histogram_roi_t::crop_x, histogram_helper_cs_RAW_helper_process_pixel_float(), dt_dev_histogram_collection_params_t::roi, and dt_histogram_roi_t::width.

Referenced by dt_histogram_helper().

histogram_helper_cs_RAW_helper_process_pixel_float()

static void histogram_helper_cs_RAW_helper_process_pixel_float ( const dt_dev_histogram_collection_params_t *const  histogram_params, const float *  pixel, uint32_t *  histogram  )

inlinestatic

References PS.

Referenced by histogram_helper_cs_RAW().

histogram_helper_cs_RAW_helper_process_pixel_uint16()

static void histogram_helper_cs_RAW_helper_process_pixel_uint16 ( const dt_dev_histogram_collection_params_t *const  histogram_params, const uint16_t *  pixel, uint32_t *  histogram  )

inlinestatic

References PU.

Referenced by dt_histogram_helper_cs_RAW_uint16().

histogram_helper_cs_rgb()

static void histogram_helper_cs_rgb ( const dt_dev_histogram_collection_params_t *const  histogram_params, const void *  pixel, uint32_t *  histogram, int  j, const dt_iop_order_iccprofile_info_t *const  profile_info  )

inlinestatic

References darktable_t::codepath, dt_histogram_roi_t::crop_width, dt_histogram_roi_t::crop_x, darktable, dt_unreachable_codepath, dt_codepath_t::OPENMP_SIMD, dt_dev_histogram_collection_params_t::roi, dt_codepath_t::SSE2, and dt_histogram_roi_t::width.

Referenced by dt_histogram_helper().

histogram_helper_cs_rgb_compensated()

static void histogram_helper_cs_rgb_compensated ( const dt_dev_histogram_collection_params_t *const  histogram_params, const void *  pixel, uint32_t *  histogram, int  j, const dt_iop_order_iccprofile_info_t *const  profile_info  )

inlinestatic

References darktable_t::codepath, dt_histogram_roi_t::crop_width, dt_histogram_roi_t::crop_x, darktable, dt_unreachable_codepath, dt_codepath_t::OPENMP_SIMD, dt_dev_histogram_collection_params_t::roi, dt_codepath_t::SSE2, and dt_histogram_roi_t::width.

Referenced by dt_histogram_helper().