bspline.h File Reference

#include "common/darktable.h"
#include "common/dwt.h"
#include "develop/openmp_maths.h"
#include "math.h"

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Macros
#define	BSPLINE_FSIZE   5
#define	B_SPLINE_SIGMA   1.0553651328015339f
#define	B_SPLINE_TO_LAPLACIAN   3.182727439285017f
#define	B_SPLINE_TO_LAPLACIAN_2   10.129753952777762f

Functions
static float	normalize_laplacian (const float sigma)
static float	equivalent_sigma_at_step (const float sigma, const unsigned int s)
static unsigned int	num_steps_to_reach_equivalent_sigma (const float sigma_filter, const float sigma_final)
static void	sparse_scalar_product (const dt_aligned_pixel_t buf, const size_t indices[5], dt_aligned_pixel_t result, const gboolean clip_negatives)
static void	_bspline_vertical_pass (const float *const restrict in, float *const restrict temp, size_t row, size_t width, size_t height, int mult, const gboolean clip_negatives)
static void	_bspline_horizontal (const float *const restrict temp, float *const restrict out, size_t col, size_t width, int mult, const gboolean clip_negatives)
static void	blur_2D_Bspline (const float *const restrict in, float *const restrict out, float *const restrict tempbuf, const size_t width, const size_t height, const int mult, const gboolean clip_negatives)
static void	decompose_2D_Bspline (const float *const restrict in, float *const restrict HF, float *const restrict LF, const size_t width, const size_t height, const int mult, float *const tempbuf, size_t padded_size)

Macro Definition Documentation

B_SPLINE_SIGMA

#define B_SPLINE_SIGMA   1.0553651328015339f

B_SPLINE_TO_LAPLACIAN

#define B_SPLINE_TO_LAPLACIAN   3.182727439285017f

B_SPLINE_TO_LAPLACIAN_2

#define B_SPLINE_TO_LAPLACIAN_2   10.129753952777762f

BSPLINE_FSIZE

#define BSPLINE_FSIZE   5

Function Documentation

_bspline_horizontal()

static void _bspline_horizontal ( const float *const restrict  temp, float *const restrict  out, size_t  col, size_t  width, int  mult, const gboolean  clip_negatives  )

inlinestatic

References BSPLINE_FSIZE, DT_ALIGNED_ARRAY, MAX, MIN, sparse_scalar_product(), and width.

Referenced by blur_2D_Bspline(), and decompose_2D_Bspline().

_bspline_vertical_pass()

static void _bspline_vertical_pass ( const float *const restrict  in, float *const restrict  temp, size_t  row, size_t  width, size_t  height, int  mult, const gboolean  clip_negatives  )

inlinestatic

References BSPLINE_FSIZE, DT_ALIGNED_ARRAY, height, MAX, MIN, sparse_scalar_product(), and width.

Referenced by blur_2D_Bspline(), and decompose_2D_Bspline().

blur_2D_Bspline()

static void blur_2D_Bspline ( const float *const restrict  in, float *const restrict  out, float *const restrict  tempbuf, const size_t  width, const size_t  height, const int  mult, const gboolean  clip_negatives  )

inlinestatic

References _bspline_horizontal(), _bspline_vertical_pass(), dt_get_thread_num(), dwt_interleave_rows(), height, and width.

Referenced by dt_color_picker_helper(), and reconstruct_highlights().

decompose_2D_Bspline()

static void decompose_2D_Bspline ( const float *const restrict  in, float *const restrict  HF, float *const restrict  LF, const size_t  width, const size_t  height, const int  mult, float *const  tempbuf, size_t  padded_size  )

inlinestatic

References _bspline_horizontal(), _bspline_vertical_pass(), DT_ALIGNED_ARRAY, dt_get_perthread, dwt_interleave_rows(), for_four_channels, height, TRUE, and width.

Referenced by wavelets_process(), and wavelets_process().

equivalent_sigma_at_step()

static float equivalent_sigma_at_step ( const float  sigma, const unsigned int  s  )

inlinestatic

References equivalent_sigma_at_step(), and sqf().

Referenced by equivalent_sigma_at_step(), wavelets_process(), and wavelets_process().

normalize_laplacian()

static float normalize_laplacian ( const float  sigma )

inlinestatic

References sqf().

num_steps_to_reach_equivalent_sigma()

static unsigned int num_steps_to_reach_equivalent_sigma ( const float  sigma_filter, const float  sigma_final  )

inlinestatic

References sqf().

Referenced by process(), and tiling_callback().

sparse_scalar_product()

static void sparse_scalar_product ( const dt_aligned_pixel_t  buf, const size_t  indices[5], dt_aligned_pixel_t  result, const gboolean  clip_negatives  )

inlinestatic

References BSPLINE_FSIZE, for_each_channel, and MAX.

Referenced by _bspline_horizontal(), and _bspline_vertical_pass().