Ansel 0.0
A darktable fork - bloat + design vision
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Functions
imageop_math.c File Reference
#include "develop/imageop_math.h"
#include <assert.h>
#include <glib.h>
#include <math.h>
#include "common/darktable.h"
#include "common/imageio.h"
#include "common/interpolation.h"
#include "develop/imageop.h"
+ Include dependency graph for imageop_math.c:

Functions

void dt_iop_flip_and_zoom_8 (const uint8_t *in, int32_t iw, int32_t ih, uint8_t *out, int32_t ow, int32_t oh, const dt_image_orientation_t orientation, uint32_t *width, uint32_t *height)
 
void dt_iop_clip_and_zoom_8 (const uint8_t *i, int32_t ix, int32_t iy, int32_t iw, int32_t ih, int32_t ibw, int32_t ibh, uint8_t *o, int32_t ox, int32_t oy, int32_t ow, int32_t oh, int32_t obw, int32_t obh)
 
void dt_iop_clip_and_zoom (float *out, const float *const in, const dt_iop_roi_t *const roi_out, const dt_iop_roi_t *const roi_in, const int32_t out_stride, const int32_t in_stride)
 
void dt_iop_clip_and_zoom_roi (float *out, const float *const in, const dt_iop_roi_t *const roi_out, const dt_iop_roi_t *const roi_in, const int32_t out_stride, const int32_t in_stride)
 
void dt_iop_clip_and_zoom_mosaic_half_size (uint16_t *const out, const uint16_t *const in, const dt_iop_roi_t *const roi_out, const dt_iop_roi_t *const roi_in, const int32_t out_stride, const int32_t in_stride, const uint32_t filters)
 
void dt_iop_clip_and_zoom_mosaic_half_size_f (float *const out, const float *const in, const dt_iop_roi_t *const roi_out, const dt_iop_roi_t *const roi_in, const int32_t out_stride, const int32_t in_stride, const uint32_t filters)
 
void dt_iop_clip_and_zoom_mosaic_third_size_xtrans (uint16_t *const out, const uint16_t *const in, const dt_iop_roi_t *const roi_out, const dt_iop_roi_t *const roi_in, const int32_t out_stride, const int32_t in_stride, const uint8_t(*const xtrans)[6])
 
void dt_iop_clip_and_zoom_mosaic_third_size_xtrans_f (float *const out, const float *const in, const dt_iop_roi_t *const roi_out, const dt_iop_roi_t *const roi_in, const int32_t out_stride, const int32_t in_stride, const uint8_t(*const xtrans)[6])
 
void dt_iop_clip_and_zoom_demosaic_passthrough_monochrome_f (float *out, const float *const in, const dt_iop_roi_t *const roi_out, const dt_iop_roi_t *const roi_in, const int32_t out_stride, const int32_t in_stride)
 
void dt_iop_clip_and_zoom_demosaic_half_size_f (float *out, const float *const in, const dt_iop_roi_t *const roi_out, const dt_iop_roi_t *const roi_in, const int32_t out_stride, const int32_t in_stride, const uint32_t filters)
 
void dt_iop_clip_and_zoom_demosaic_third_size_xtrans_f (float *out, const float *const in, const dt_iop_roi_t *const roi_out, const dt_iop_roi_t *const roi_in, const int32_t out_stride, const int32_t in_stride, const uint8_t(*const xtrans)[6])
 
void dt_iop_RGB_to_YCbCr (const dt_aligned_pixel_t rgb, dt_aligned_pixel_t yuv)
 
void dt_iop_YCbCr_to_RGB (const dt_aligned_pixel_t yuv, dt_aligned_pixel_t rgb)
 
static void mat4inv (const float X[][4], float R[][4])
 
static void mat4mulv (float dst[4], const float mat[4][4], const float v[4])
 
void dt_iop_estimate_cubic (const float x[4], const float y[4], float a[4])
 

Function Documentation

◆ dt_iop_clip_and_zoom()

void dt_iop_clip_and_zoom ( float *  out,
const float *const  in,
const dt_iop_roi_t *const  roi_out,
const dt_iop_roi_t *const  roi_in,
const int32_t  out_stride,
const int32_t  in_stride 
)

References dt_interpolation_new(), dt_interpolation_resample(), and DT_INTERPOLATION_USERPREF.

Referenced by _init_base_buffer(), and _init_f().

◆ dt_iop_clip_and_zoom_8()

void dt_iop_clip_and_zoom_8 ( const uint8_t *  i,
int32_t  ix,
int32_t  iy,
int32_t  iw,
int32_t  ih,
int32_t  ibw,
int32_t  ibh,
uint8_t *  o,
int32_t  ox,
int32_t  oy,
int32_t  ow,
int32_t  oh,
int32_t  obw,
int32_t  obh 
)

as dt_iop_clip_and_zoom, but for rgba 8-bit channels.

References MAX, and MIN.

◆ dt_iop_clip_and_zoom_demosaic_half_size_f()

void dt_iop_clip_and_zoom_demosaic_half_size_f ( float *  out,
const float *const  in,
const dt_iop_roi_t *const  roi_out,
const dt_iop_roi_t *const  roi_in,
const int32_t  out_stride,
const int32_t  in_stride,
const uint32_t  filters 
)

References FC(), dt_iop_roi_t::height, MIN, dt_iop_roi_t::scale, dt_iop_roi_t::width, dt_iop_roi_t::x, and dt_iop_roi_t::y.

Referenced by process().

◆ dt_iop_clip_and_zoom_demosaic_passthrough_monochrome_f()

void dt_iop_clip_and_zoom_demosaic_passthrough_monochrome_f ( float *  out,
const float *const  in,
const dt_iop_roi_t *const  roi_out,
const dt_iop_roi_t *const  roi_in,
const int32_t  out_stride,
const int32_t  in_stride 
)

References dt_iop_roi_t::height, MIN, dt_iop_roi_t::scale, dt_iop_roi_t::width, dt_iop_roi_t::x, and dt_iop_roi_t::y.

Referenced by process().

◆ dt_iop_clip_and_zoom_demosaic_third_size_xtrans_f()

void dt_iop_clip_and_zoom_demosaic_third_size_xtrans_f ( float *  out,
const float *const  in,
const dt_iop_roi_t *const  roi_out,
const dt_iop_roi_t *const  roi_in,
const int32_t  out_stride,
const int32_t  in_stride,
const uint8_t(*)  xtrans[6] 
)

References CLAMPS, FCxtrans(), dt_iop_roi_t::height, MAX, MIN, dt_iop_roi_t::scale, dt_iop_roi_t::width, dt_iop_roi_t::x, and dt_iop_roi_t::y.

Referenced by process().

◆ dt_iop_clip_and_zoom_mosaic_half_size()

void dt_iop_clip_and_zoom_mosaic_half_size ( uint16_t *const  out,
const uint16_t *const  in,
const dt_iop_roi_t *const  roi_out,
const dt_iop_roi_t *const  roi_in,
const int32_t  out_stride,
const int32_t  in_stride,
const uint32_t  filters 
)

References CLAMPS, FC(), dt_iop_roi_t::height, MIN, dt_iop_roi_t::scale, dt_iop_roi_t::width, dt_iop_roi_t::x, and dt_iop_roi_t::y.

Referenced by _init_f().

◆ dt_iop_clip_and_zoom_mosaic_half_size_f()

void dt_iop_clip_and_zoom_mosaic_half_size_f ( float *const  out,
const float *const  in,
const dt_iop_roi_t *const  roi_out,
const dt_iop_roi_t *const  roi_in,
const int32_t  out_stride,
const int32_t  in_stride,
const uint32_t  filters 
)

References FC(), dt_iop_roi_t::height, MIN, dt_iop_roi_t::scale, dt_iop_roi_t::width, dt_iop_roi_t::x, and dt_iop_roi_t::y.

Referenced by _init_f().

◆ dt_iop_clip_and_zoom_mosaic_third_size_xtrans()

void dt_iop_clip_and_zoom_mosaic_third_size_xtrans ( uint16_t *const  out,
const uint16_t *const  in,
const dt_iop_roi_t *const  roi_out,
const dt_iop_roi_t *const  roi_in,
const int32_t  out_stride,
const int32_t  in_stride,
const uint8_t(*)  xtrans[6] 
)

downscales and clips a Fujifilm X-Trans mosaiced buffer (in) to the given region of interest (r_*) and writes it to out.

References FCxtrans(), dt_iop_roi_t::height, MAX, MIN, dt_iop_roi_t::scale, dt_iop_roi_t::width, dt_iop_roi_t::x, and dt_iop_roi_t::y.

Referenced by _init_f().

◆ dt_iop_clip_and_zoom_mosaic_third_size_xtrans_f()

void dt_iop_clip_and_zoom_mosaic_third_size_xtrans_f ( float *const  out,
const float *const  in,
const dt_iop_roi_t *const  roi_out,
const dt_iop_roi_t *const  roi_in,
const int32_t  out_stride,
const int32_t  in_stride,
const uint8_t(*)  xtrans[6] 
)

References FCxtrans(), dt_iop_roi_t::height, MAX, MIN, dt_iop_roi_t::scale, dt_iop_roi_t::width, dt_iop_roi_t::x, and dt_iop_roi_t::y.

Referenced by _init_f().

◆ dt_iop_clip_and_zoom_roi()

void dt_iop_clip_and_zoom_roi ( float *  out,
const float *const  in,
const dt_iop_roi_t *const  roi_out,
const dt_iop_roi_t *const  roi_in,
const int32_t  out_stride,
const int32_t  in_stride 
)

References dt_interpolation_new(), dt_interpolation_resample_roi(), and DT_INTERPOLATION_USERPREF.

Referenced by process(), and process().

◆ dt_iop_estimate_cubic()

void dt_iop_estimate_cubic ( const float  x[4],
const float  y[4],
float  a[4] 
)

takes four points (x,y) in two arrays and fills the cubic coefficients a, such that y = [X] * a, where [X] is the matrix containing all x^3 x^2 x^1 x^0 lines for all four x.

References mat4inv(), and mat4mulv().

◆ dt_iop_flip_and_zoom_8()

void dt_iop_flip_and_zoom_8 ( const uint8_t *  in,
int32_t  iw,
int32_t  ih,
uint8_t *  out,
int32_t  ow,
int32_t  oh,
const dt_image_orientation_t  orientation,
uint32_t *  width,
uint32_t *  height 
)

flip according to orientation bits, also zoom to given size.

References bpp, height, MAX, MIN, ORIENTATION_FLIP_X, ORIENTATION_FLIP_Y, ORIENTATION_SWAP_XY, and width.

Referenced by _init_8(), and _load_jpg().

◆ dt_iop_RGB_to_YCbCr()

void dt_iop_RGB_to_YCbCr ( const dt_aligned_pixel_t  rgb,
dt_aligned_pixel_t  yuv 
)

◆ dt_iop_YCbCr_to_RGB()

void dt_iop_YCbCr_to_RGB ( const dt_aligned_pixel_t  yuv,
dt_aligned_pixel_t  rgb 
)

◆ mat4inv()

static void mat4inv ( const float  X[][4],
float  R[][4] 
)
inlinestatic

References R.

Referenced by dt_iop_estimate_cubic().

◆ mat4mulv()

static void mat4mulv ( float  dst[4],
const float  mat[4][4],
const float  v[4] 
)
static

Referenced by dt_iop_estimate_cubic().