box_filters.h File Reference

#include <stdlib.h>

Include dependency graph for box_filters.h:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Macros
#define	BOX_ITERATIONS   8
#define	BOXFILTER_KAHAN_SUM   0x1000000

Functions
void	dt_box_mean (float *const buf, const size_t height, const size_t width, const int ch, const int radius, const unsigned interations)
void	dt_box_mean_horizontal (float *const restrict buf, const size_t width, const int ch, const int radius, float *const restrict scratch)
void	dt_box_mean_vertical (float *const buf, const size_t height, const size_t width, const int ch, const int radius)
void	dt_box_min (float *const buf, const size_t height, const size_t width, const int ch, const int radius)
void	dt_box_max (float *const buf, const size_t height, const size_t width, const int ch, const int radius)

Macro Definition Documentation

BOX_ITERATIONS

#define BOX_ITERATIONS   8

BOXFILTER_KAHAN_SUM

#define BOXFILTER_KAHAN_SUM   0x1000000

Function Documentation

dt_box_max()

void dt_box_max	(	float *const	buf,
		const size_t	height,
		const size_t	width,
		const int	ch,
		const int	radius
	)

Todo:

: 4ch version if needed

References box_max_1ch(), dt_unreachable_codepath, height, and width.

Referenced by transition_map().

dt_box_mean()

void dt_box_mean	(	float *const	buf,
		const size_t	height,
		const size_t	width,
		const int	ch,
		const int	radius,
		const unsigned	interations
	)

References box_mean_2ch(), BOXFILTER_KAHAN_SUM, dt_box_mean_1ch(), dt_box_mean_4ch(), dt_box_mean_4ch_Kahan(), dt_unreachable_codepath, height, and width.

Referenced by dt_focuspeaking(), fast_surface_blur(), guided_filter_tiling(), process(), process_laplacian_bayer(), and variance_analyse().

dt_box_mean_horizontal()

void dt_box_mean_horizontal	(	float *const restrict	buf,
		const size_t	width,
		const int	ch,
		const int	radius,
		float *const restrict	scratch
	)

References blur_horizontal_4ch_Kahan(), blur_horizontal_Nch_Kahan(), BOXFILTER_KAHAN_SUM, dt_alloc_align_float(), dt_free_align, dt_unreachable_codepath, and width.

Referenced by guided_filter_tiling().

dt_box_mean_vertical()

void dt_box_mean_vertical	(	float *const	buf,
		const size_t	height,
		const size_t	width,
		const int	ch,
		const int	radius
	)

References box_mean_vert_1ch_Kahan(), BOXFILTER_KAHAN_SUM, dt_unreachable_codepath, height, and width.

Referenced by guided_filter_tiling().

dt_box_min()

void dt_box_min	(	float *const	buf,
		const size_t	height,
		const size_t	width,
		const int	ch,
		const int	radius
	)

Todo:

: 4ch version if needed

References box_min_1ch(), dt_unreachable_codepath, height, and width.

Referenced by dark_channel(), and process().