#include "common/image.h"
#include "develop/imageop.h"
#include <glib.h>
#include <math.h>
#include <stddef.h>
#include <stdint.h>

Include dependency graph for imageop_math.h:

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Go to the source code of this file.

Macros
#define	RED 0

#define	GREEN 1

#define	BLUE 2

#define	ALPHA 3

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 (float out, const float const in, const struct dt_iop_roi_t const roi_out, const struct 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 struct dt_iop_roi_t const roi_out, const struct 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_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_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_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 struct dt_iop_roi_t const roi_out, const struct 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 struct dt_iop_roi_t const roi_out, const struct 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 struct dt_iop_roi_t const roi_out, const struct 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_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_YCbCr_to_RGB (const dt_aligned_pixel_t yuv, dt_aligned_pixel_t rgb)

void	dt_iop_RGB_to_YCbCr (const dt_aligned_pixel_t rgb, dt_aligned_pixel_t yuv)

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

static float	dt_iop_eval_cubic (const float *const a, const float x)

static void	dt_iop_estimate_exp (const float const x, const float const y, const int num, float *coeff)

static float	dt_iop_eval_exp (const float *const coeff, const float x)

static void	dt_iop_alpha_copy (const void const ivoid, void const ovoid, const size_t width, const size_t height)

static int	FC (const size_t row, const size_t col, const uint32_t filters)

static int	FCxtrans (const int row, const int col, const dt_iop_roi_t const roi, const uint8_t(const xtrans)[6])

static int	fcol (const int row, const int col, const uint32_t filters, const uint8_t(*const xtrans)[6])

Macro Definition Documentation

◆ ALPHA

#define ALPHA 3

◆ BLUE

#define BLUE 2

◆ GREEN

#define GREEN 1

◆ RED

#define RED 0

Function Documentation

◆ dt_iop_alpha_copy()

static void dt_iop_alpha_copy	(	const void *const	ivoid,
		void *const	ovoid,
		const size_t	width,
		const size_t	height
	)

inlinestatic

Copy alpha channel 1:1 from input to output

References height, and width.

Referenced by process(), process(), process(), process(), process(), process(), process_common_cleanup(), process_cpu(), process_floyd_steinberg(), process_internal(), process_nlmeans_cpu(), process_random(), process_wavelets(), and process_wavelets().

◆ dt_iop_clip_and_zoom()

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

for homebrew pixel pipe: zoom pixel array.

◆ 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 struct dt_iop_roi_t *const	roi_out,
		const struct dt_iop_roi_t *const	roi_in,
		const int32_t	out_stride,
		const int32_t	in_stride,
		const uint32_t	filters
	)

◆ 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 struct dt_iop_roi_t *const	roi_out,
		const struct dt_iop_roi_t *const	roi_in,
		const int32_t	out_stride,
		const int32_t	in_stride
	)

◆ 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 struct dt_iop_roi_t *const	roi_out,
		const struct dt_iop_roi_t *const	roi_in,
		const int32_t	out_stride,
		const int32_t	in_stride,
		const uint8_t(*)	xtrans[6]
	)

x-trans sensor downscaling

◆ 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 struct dt_iop_roi_t *const	roi_out,
		const struct dt_iop_roi_t *const	roi_in,
		const int32_t	out_stride,
		const int32_t	in_stride
	)

zoom pixel array for roi buffers.

◆ 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_estimate_exp()

static void dt_iop_estimate_exp	(	const float *const	x,
		const float *const	y,
		const int	num,
		float *	coeff
	)

inlinestatic

estimates an exponential form f(x) = a*x^g from a few (num) points (x, y). the largest point should be (1.0, y) to really get good data.

Referenced by _area_draw_callback(), _generate_curve_lut(), _init_unbounded_coeffs(), commit_params(), commit_params(), dt_iop_basecurve_draw(), and dt_iop_tonecurve_draw().

◆ dt_iop_eval_cubic()

static float dt_iop_eval_cubic	(	const float *const	a,
		const float	x
	)

inlinestatic

evaluates the cubic fit, i.e. returns y = a^t [x^3 x^2 x^1 1]

◆ dt_iop_eval_exp()

static float dt_iop_eval_exp	(	const float *const	coeff,
		const float	x
	)

inlinestatic

evaluates the exp fit.

Referenced by _area_draw_callback(), apply_curve(), apply_legacy_curve(), dt_iop_basecurve_draw(), dt_iop_tonecurve_draw(), process(), process(), process(), process_cmatrix_bm(), process_cmatrix_proper(), and process_fastpath_apply_tonecurves().

◆ 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
	)

◆ FC()

static int FC	(	const size_t	row,
		const size_t	col,
		const uint32_t	filters
	)

inlinestatic

Calculate the bayer pattern color from the row and column

Referenced by fcol().

◆ fcol()

static int fcol	(	const int	row,
		const int	col,
		const uint32_t	filters,
		const uint8_t(*)	xtrans[6]
	)

inlinestatic

References FC(), and FCxtrans().

Referenced by lin_interpolate(), and vng_interpolate().

◆ FCxtrans()

static int FCxtrans	(	const int	row,
		const int	col,
		const dt_iop_roi_t *const	roi,
		const uint8_t(*)	xtrans[6]
	)

inlinestatic

Calculate the xtrans pattern color from the row and column

References dt_iop_roi_t::x, and dt_iop_roi_t::y.

Referenced by fcol().

Macros

Functions

Macro Definition Documentation

◆ ALPHA

◆ BLUE

◆ GREEN

◆ RED

Function Documentation

◆ dt_iop_alpha_copy()

◆ dt_iop_clip_and_zoom()

◆ dt_iop_clip_and_zoom_8()

◆ dt_iop_clip_and_zoom_demosaic_half_size_f()

◆ dt_iop_clip_and_zoom_demosaic_passthrough_monochrome_f()

◆ dt_iop_clip_and_zoom_demosaic_third_size_xtrans_f()

◆ dt_iop_clip_and_zoom_mosaic_half_size()

◆ dt_iop_clip_and_zoom_mosaic_half_size_f()

◆ dt_iop_clip_and_zoom_mosaic_third_size_xtrans()

◆ dt_iop_clip_and_zoom_mosaic_third_size_xtrans_f()

◆ dt_iop_clip_and_zoom_roi()

◆ dt_iop_estimate_cubic()

◆ dt_iop_estimate_exp()

◆ dt_iop_eval_cubic()

◆ dt_iop_eval_exp()

◆ dt_iop_flip_and_zoom_8()

◆ dt_iop_RGB_to_YCbCr()

◆ dt_iop_YCbCr_to_RGB()

◆ FC()

◆ fcol()

◆ FCxtrans()