#include "common/darktable.h"
#include "common/locallaplacian.h"
#include "common/math.h"
#include <string.h>
#include <stdint.h>
#include <stdlib.h>
#include <assert.h>
#include <stdio.h>

Include dependency graph for locallaplacian.c:

Macros
#define	max_levels 30

#define	num_gamma 6

#define	debug_dump_PFM(f, b, w, h)

#define	LL_FILL(fallback)

Functions
static int	dl (int size, const int level)

static float	ll_expand_gaussian (const float *const coarse, const int i, const int j, const int wd, const int ht)

static void	ll_fill_boundary1 (float *const input, const int wd, const int ht)

static void	ll_fill_boundary2 (float *const input, const int wd, const int ht)

static void	pad_by_replication (float *buf, const uint32_t w, const uint32_t h, const uint32_t padding)

static void	gauss_expand (const float const input, float const fine, const int wd, const int ht)

static void	gauss_reduce (const float const input, float const coarse, const int wd, const int ht)

static float *	ll_pad_input (const float const input, const int wd, const int ht, const int max_supp, int wd2, int ht2, local_laplacian_boundary_t b)

static float	ll_laplacian (const float const coarse, const float const fine, const int i, const int j, const int wd, const int ht)

static float	curve_scalar (const float x, const float g, const float sigma, const float shadows, const float highlights, const float clarity)

void	apply_curve (float const out, const float const in, const uint32_t w, const uint32_t h, const uint32_t padding, const float g, const float sigma, const float shadows, const float highlights, const float clarity)

void	local_laplacian_internal (const float const input, float const out, const int wd, const int ht, const float sigma, const float shadows, const float highlights, const float clarity, const int use_sse2, local_laplacian_boundary_t *b)

size_t	local_laplacian_memory_use (const int width, const int height)

size_t	local_laplacian_singlebuffer_size (const int width, const int height)

Macro Definition Documentation

◆ debug_dump_PFM

#define debug_dump_PFM	(	f,
		b,
		w,
		h
	)

◆ LL_FILL

#define LL_FILL ( fallback )

Value:

    do {\
    float isx = ((i - max_supp) + b->roi->x)/b->roi->scale;\
    float isy = ((j - max_supp) + b->roi->y)/b->roi->scale;\
    if(isx < 0 || isy >= b->buf->width\
    || isy < 0 || isy >= b->buf->height)\
      out[*wd2*j+i] = (fallback);\
    else\
    {\
      int px = CLAMP(isx / (float)b->buf->width  * b->wd + (b->pwd-b->wd)/2, 0, b->pwd-1);\
      int py = CLAMP(isy / (float)b->buf->height * b->ht + (b->pht-b->ht)/2, 0, b->pht-1);\

\      out[*wd2*j+i] = b->pad0[b->pwd*py+px];\
    } } while(0)

◆ max_levels

#define max_levels 30

◆ num_gamma

#define num_gamma 6

Function Documentation

◆ apply_curve()

void apply_curve	(	float *const	out,
		const float *const	in,
		const uint32_t	w,
		const uint32_t	h,
		const uint32_t	padding,
		const float	g,
		const float	sigma,
		const float	shadows,
		const float	highlights,
		const float	clarity
	)

References curve_scalar(), and pad_by_replication().

Referenced by local_laplacian_internal().

◆ curve_scalar()

static float curve_scalar	(	const float	x,
		const float	g,
		const float	sigma,
		const float	shadows,
		const float	highlights,
		const float	clarity
	)

inlinestatic

References CLAMPS.

Referenced by apply_curve().

◆ dl()

static int dl	(	int	size,
		const int	level
	)

inlinestatic

References size.

Referenced by local_laplacian_internal(), local_laplacian_memory_use(), and local_laplacian_singlebuffer_size().

◆ gauss_expand()

static void gauss_expand	(	const float *const	input,
		float *const	fine,
		const int	wd,
		const int	ht
	)

inlinestatic

References ll_expand_gaussian(), and ll_fill_boundary2().

Referenced by local_laplacian_internal().

◆ gauss_reduce()

static void gauss_reduce	(	const float *const	input,
		float *const	coarse,
		const int	wd,
		const int	ht
	)

inlinestatic

References ll_fill_boundary1().

Referenced by local_laplacian_internal().

◆ ll_expand_gaussian()

static float ll_expand_gaussian	(	const float *const	coarse,
		const int	i,
		const int	j,
		const int	wd,
		const int	ht
	)

inlinestatic

Referenced by gauss_expand(), and ll_laplacian().

◆ ll_fill_boundary1()

static void ll_fill_boundary1	(	float *const	input,
		const int	wd,
		const int	ht
	)

inlinestatic

Referenced by gauss_reduce().

◆ ll_fill_boundary2()

static void ll_fill_boundary2	(	float *const	input,
		const int	wd,
		const int	ht
	)

inlinestatic

Referenced by gauss_expand().

◆ ll_laplacian()

static float ll_laplacian	(	const float *const	coarse,
		const float *const	fine,
		const int	i,
		const int	j,
		const int	wd,
		const int	ht
	)

inlinestatic

References CLAMPS, and ll_expand_gaussian().

Referenced by local_laplacian_internal().

◆ ll_pad_input()

static float * ll_pad_input	(	const float *const	input,
		const int	wd,
		const int	ht,
		const int	max_supp,
		int *	wd2,
		int *	ht2,
		local_laplacian_boundary_t *	b
	)

inlinestatic

Todo:: : linear interpolation?

Todo:: : linear interpolation?

Todo:: : linear interpolation?

Todo:: : linear interpolation?

References dt_alloc_align_float(), LL_FILL, and pad_by_replication().

Referenced by local_laplacian_internal().

◆ local_laplacian_internal()

void local_laplacian_internal	(	const float *const	input,
		float *const	out,
		const int	wd,
		const int	ht,
		const float	sigma,
		const float	shadows,
		const float	highlights,
		const float	clarity,
		const int	use_sse2,
		local_laplacian_boundary_t *	b
	)