guided_filter.h File Reference

#include "common/darktable.h"
#include "common/opencl.h"

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Data Structures
struct	gray_image

Typedefs
typedef struct gray_image	gray_image

Functions
static int	new_gray_image (gray_image *img, int width, int height)
static void	free_gray_image (gray_image *img_p)
static void	copy_gray_image (gray_image img1, gray_image img2)
static int	min_i (int a, int b)
static int	max_i (int a, int b)
int	guided_filter (const float *guide, const float *in, float *out, int width, int height, int ch, int w, float sqrt_eps, float guide_weight, float min, float max)

Typedef Documentation

gray_image

typedef struct gray_image gray_image

Function Documentation

copy_gray_image()

static void copy_gray_image ( gray_image  img1, gray_image  img2  )

inlinestatic

References gray_image::data, gray_image::height, and gray_image::width.

Referenced by ambient_light().

free_gray_image()

static void free_gray_image ( gray_image *  img_p )

inlinestatic

References gray_image::data, and dt_pixelpipe_cache_free_align.

Referenced by ambient_light(), and process().

guided_filter()

int guided_filter	(	const float *	guide,
		const float *	in,
		float *	out,
		int	width,
		int	height,
		int	ch,
		int	w,
		float	sqrt_eps,
		float	guide_weight,
		float	min,
		float	max
	)

References compute_tile_height(), compute_tile_width(), eps, guided_filter_tiling(), height, i, max, min, min_i(), out, and width.

Referenced by _develop_blend_process_feather(), and process().

max_i()

static int max_i ( int  a, int  b  )

inlinestatic

References a, and b.

Referenced by compute_tile_height(), compute_tile_width(), and guided_filter_tiling().

min_i()

static int min_i ( int  a, int  b  )

inlinestatic

References a, and b.

Referenced by guided_filter(), and guided_filter_tiling().

new_gray_image()

static int new_gray_image ( gray_image *  img, int  width, int  height  )

inlinestatic

Todo:

: the code consuming gray_image doesn't check if we actually allocated the buffer

References gray_image::data, dt_pixelpipe_cache_alloc_align_float_cache, height, gray_image::height, width, and gray_image::width.

Referenced by ambient_light(), and process().