gamma.c File Reference

#include <assert.h>
#include <math.h>
#include <stdlib.h>
#include <string.h>
#include "common/colorspaces_inline_conversions.h"
#include "common/opencl.h"
#include "control/control.h"
#include "develop/develop.h"
#include "gui/gtk.h"
#include "iop/iop_api.h"

Include dependency graph for gamma.c:

Data Structures
struct	dt_iop_gamma_params_t
	This module converts float32 RGBA pixels to uint8 BGRA pixels, for GUI pipelines only (darkroom main preview and navigation thumbnail). It self-disables for export pipelines. More...

Typedefs
typedef struct dt_iop_gamma_params_t	dt_iop_gamma_params_t
	This module converts float32 RGBA pixels to uint8 BGRA pixels, for GUI pipelines only (darkroom main preview and navigation thumbnail). It self-disables for export pipelines.

Functions
const char *	name ()
int	default_group ()
int	flags ()
int	default_colorspace (dt_iop_module_t *self, dt_dev_pixelpipe_t *pipe, const dt_dev_pixelpipe_iop_t *piece)
void	input_format (dt_iop_module_t *self, dt_dev_pixelpipe_t *pipe, dt_dev_pixelpipe_iop_t *piece, dt_iop_buffer_dsc_t *dsc)
void	output_format (dt_iop_module_t *self, dt_dev_pixelpipe_t *pipe, dt_dev_pixelpipe_iop_t *piece, dt_iop_buffer_dsc_t *dsc)
static void	_write_pixel (const float *const restrict in, uint8_t *const restrict out, const float *const restrict mask_color, const float alpha)
static void	_normalize_color (float *const restrict pixel, const float norm)
static void	_XYZ_to_REC_709_normalized (const float *const restrict XYZ, float *const restrict sRGB, const float norm)
static void	_channel_display_monochrome (const float *const restrict in, uint8_t *const restrict out, const size_t buffsize, const float alpha)
static void	_channel_display_false_color (const float *const restrict in, uint8_t *const restrict out, const size_t buffsize, const float alpha, dt_dev_pixelpipe_display_mask_t channel)
static void	_mask_display (const float *const restrict in, uint8_t *const restrict out, const size_t buffsize, const float alpha)
static void	_copy_output (const float *const restrict in, uint8_t *const restrict out, const size_t buffsize)
int	process (struct dt_iop_module_t *self, const dt_dev_pixelpipe_t *pipe, const dt_dev_pixelpipe_iop_t *piece, const void *const i, void *const o)
void	init (dt_iop_module_t *module)
void	init_pipe (struct dt_iop_module_t *self, dt_dev_pixelpipe_t *pipe, dt_dev_pixelpipe_iop_t *piece)
void	cleanup_pipe (struct dt_iop_module_t *self, dt_dev_pixelpipe_t *pipe, dt_dev_pixelpipe_iop_t *piece)
void	commit_params (dt_iop_module_t *self, dt_iop_params_t *params, dt_dev_pixelpipe_t *pipe, dt_dev_pixelpipe_iop_t *piece)

Typedef Documentation

dt_iop_gamma_params_t

typedef struct dt_iop_gamma_params_t dt_iop_gamma_params_t

This module converts float32 RGBA pixels to uint8 BGRA pixels, for GUI pipelines only (darkroom main preview and navigation thumbnail). It self-disables for export pipelines.

Function Documentation

_channel_display_false_color()

static void _channel_display_false_color ( const float *const restrict  in, uint8_t *const restrict  out, const size_t  buffsize, const float  alpha, dt_dev_pixelpipe_display_mask_t  channel  )

static

References _channel_display_monochrome(), _normalize_color(), _write_pixel(), _XYZ_to_REC_709_normalized(), DT_DEV_PIXELPIPE_DISPLAY_a, DT_DEV_PIXELPIPE_DISPLAY_ANY, DT_DEV_PIXELPIPE_DISPLAY_b, DT_DEV_PIXELPIPE_DISPLAY_B, DT_DEV_PIXELPIPE_DISPLAY_G, DT_DEV_PIXELPIPE_DISPLAY_GRAY, DT_DEV_PIXELPIPE_DISPLAY_HSL_H, DT_DEV_PIXELPIPE_DISPLAY_HSL_l, DT_DEV_PIXELPIPE_DISPLAY_HSL_S, DT_DEV_PIXELPIPE_DISPLAY_JzCzhz_Cz, DT_DEV_PIXELPIPE_DISPLAY_JzCzhz_hz, DT_DEV_PIXELPIPE_DISPLAY_JzCzhz_Jz, DT_DEV_PIXELPIPE_DISPLAY_L, DT_DEV_PIXELPIPE_DISPLAY_LCH_C, DT_DEV_PIXELPIPE_DISPLAY_LCH_h, DT_DEV_PIXELPIPE_DISPLAY_OUTPUT, DT_DEV_PIXELPIPE_DISPLAY_R, dt_Lab_to_XYZ(), JzAzBz, JzCzhz, out, value, and XYZ_D65.

Referenced by process().

_channel_display_monochrome()

static void _channel_display_monochrome ( const float *const restrict  in, uint8_t *const restrict  out, const size_t  buffsize, const float  alpha  )

static

References _write_pixel(), and out.

Referenced by _channel_display_false_color(), and process().

_copy_output()

static void _copy_output ( const float *const restrict  in, uint8_t *const restrict  out, const size_t  buffsize  )

static

References c, and out.

Referenced by process().

_mask_display()

static void _mask_display ( const float *const restrict  in, uint8_t *const restrict  out, const size_t  buffsize, const float  alpha  )

static

References _write_pixel(), and out.

Referenced by process().

_normalize_color()

static void _normalize_color ( float *const restrict  pixel, const float  norm  )

static

References factor, for_each_channel, and x.

Referenced by _channel_display_false_color(), and _XYZ_to_REC_709_normalized().

_write_pixel()

static void _write_pixel ( const float *const restrict  in, uint8_t *const restrict  out, const float *const restrict  mask_color, const float  alpha  )

inlinestatic

References c, out, and value.

Referenced by _channel_display_false_color(), _channel_display_monochrome(), and _mask_display().

_XYZ_to_REC_709_normalized()

static void _XYZ_to_REC_709_normalized ( const float *const restrict  XYZ, float *const restrict  sRGB, const float  norm  )

inlinestatic

References _normalize_color(), dt_XYZ_to_Rec709_D50(), sRGB, and XYZ.

Referenced by _channel_display_false_color().

cleanup_pipe()

void cleanup_pipe	(	struct dt_iop_module_t *	self,
		dt_dev_pixelpipe_t *	pipe,
		dt_dev_pixelpipe_iop_t *	piece
	)

commit_params()

void commit_params	(	dt_iop_module_t *	self,
		dt_iop_params_t *	params,
		dt_dev_pixelpipe_t *	pipe,
		dt_dev_pixelpipe_iop_t *	piece
	)

References DT_DEV_PIXELPIPE_FULL, DT_DEV_PIXELPIPE_PREVIEW, dt_dev_pixelpipe_iop_t::enabled, and dt_dev_pixelpipe_t::type.

default_colorspace()

int default_colorspace	(	dt_iop_module_t *	self,
		dt_dev_pixelpipe_t *	pipe,
		const dt_dev_pixelpipe_iop_t *	piece
	)

References IOP_CS_RGB.

default_group()

int default_group

(

)

References IOP_GROUP_TECHNICAL.

flags()

int flags

(

)

References IOP_FLAGS_FENCE, IOP_FLAGS_HIDDEN, IOP_FLAGS_NO_HISTORY_STACK, IOP_FLAGS_ONE_INSTANCE, and IOP_FLAGS_UNSAFE_COPY.

init()

void init

(

dt_iop_module_t *

module

)

init_pipe()

void init_pipe	(	struct dt_iop_module_t *	self,
		dt_dev_pixelpipe_t *	pipe,
		dt_dev_pixelpipe_iop_t *	piece
	)

References dt_dev_pixelpipe_iop_t::data, and dt_dev_pixelpipe_iop_t::data_size.

input_format()

void input_format	(	dt_iop_module_t *	self,
		dt_dev_pixelpipe_t *	pipe,
		dt_dev_pixelpipe_iop_t *	piece,
		dt_iop_buffer_dsc_t *	dsc
	)

References dt_iop_buffer_dsc_t::channels, dt_iop_buffer_dsc_t::datatype, default_input_format(), and TYPE_FLOAT.

name()

const char * name

(

)

output_format()

void output_format	(	dt_iop_module_t *	self,
		dt_dev_pixelpipe_t *	pipe,
		dt_dev_pixelpipe_iop_t *	piece,
		dt_iop_buffer_dsc_t *	dsc
	)

References dt_iop_buffer_dsc_t::channels, dt_iop_buffer_dsc_t::cst, dt_iop_buffer_dsc_t::datatype, and TYPE_UINT8.

process()

int process	(	struct dt_iop_module_t *	self,
		const dt_dev_pixelpipe_t *	pipe,
		const dt_dev_pixelpipe_iop_t *	piece,
		const void *const	i,
		void *const	o
	)

References _channel_display_false_color(), _channel_display_monochrome(), _copy_output(), _mask_display(), dt_conf_is_equal(), DT_DEV_PIXELPIPE_DISPLAY_ANY, DT_DEV_PIXELPIPE_DISPLAY_CHANNEL, DT_DEV_PIXELPIPE_DISPLAY_MASK, dt_iop_roi_t::height, i, dt_dev_pixelpipe_t::mask_display, dt_dev_pixelpipe_iop_t::roi_out, and dt_iop_roi_t::width.