png.c File Reference

#include <inttypes.h>
#include <png.h>
#include <stdio.h>
#include <stdlib.h>
#include <zlib.h>
#include "bauhaus/bauhaus.h"
#include "common/colorspaces.h"
#include "common/darktable.h"
#include "common/imageio.h"
#include "common/imageio_module.h"
#include "control/conf.h"
#include "imageio/format/imageio_format_api.h"

Include dependency graph for png.c:

Data Structures
struct	dt_imageio_png_t
struct	dt_imageio_png_gui_t

Macros
#define	NUM_BYTES_CHECK   (8)

Typedefs
typedef struct dt_imageio_png_t	dt_imageio_png_t
typedef struct dt_imageio_png_gui_t	dt_imageio_png_gui_t

Functions
static void	PNGwriteRawProfile (png_struct *ping, png_info *ping_info, char *profile_type, guint8 *profile_data, png_uint_32 length)
int	write_image (dt_imageio_module_data_t *p_tmp, const char *filename, const void *ivoid, dt_colorspaces_color_profile_type_t over_type, const char *over_filename, void *exif, int exif_len, int32_t imgid, int num, int total, struct dt_dev_pixelpipe_t *pipe, const gboolean export_masks)
static int	__attribute__ ((__unused__))
int	read_image (dt_imageio_module_data_t *p_tmp, uint8_t *out)
size_t	params_size (dt_imageio_module_format_t *self)
void *	legacy_params (dt_imageio_module_format_t *self, const void *const old_params, const size_t old_params_size, const int old_version, const int new_version, size_t *new_size)
void *	get_params (dt_imageio_module_format_t *self)
void	free_params (dt_imageio_module_format_t *self, dt_imageio_module_data_t *params)
int	set_params (dt_imageio_module_format_t *self, const void *params, const int size)
int	bpp (dt_imageio_module_data_t *p)
int	levels (dt_imageio_module_data_t *p)
const char *	mime (dt_imageio_module_data_t *data)
const char *	extension (dt_imageio_module_data_t *data)
const char *	name ()
static void	bit_depth_changed (GtkWidget *widget, gpointer user_data)
static void	compression_level_changed (GtkWidget *slider, gpointer user_data)
void	init (dt_imageio_module_format_t *self)
void	cleanup (dt_imageio_module_format_t *self)
void	gui_init (dt_imageio_module_format_t *self)
void	gui_cleanup (dt_imageio_module_format_t *self)
void	gui_reset (dt_imageio_module_format_t *self)
int	flags (dt_imageio_module_data_t *data)

Macro Definition Documentation

NUM_BYTES_CHECK

#define NUM_BYTES_CHECK   (8)

Typedef Documentation

dt_imageio_png_gui_t

typedef struct dt_imageio_png_gui_t dt_imageio_png_gui_t

dt_imageio_png_t

typedef struct dt_imageio_png_t dt_imageio_png_t

Function Documentation

__attribute__()

static int __attribute__ ( (__unused__)  )

static

References bit_depth, dt_imageio_png_t::f, dt_imageio_png_t::global, dt_imageio_module_data_t::height, dt_imageio_png_t::info_ptr, NUM_BYTES_CHECK, dt_imageio_png_t::png_ptr, and dt_imageio_module_data_t::width.

bit_depth_changed()

static void bit_depth_changed ( GtkWidget *  widget, gpointer  user_data  )

static

References bpp, dt_bauhaus_combobox_get(), and dt_conf_set_int().

Referenced by gui_init().

bpp()

int bpp

(

dt_imageio_module_data_t *

p

)

cleanup()

void cleanup

(

dt_imageio_module_format_t *

self

)

compression_level_changed()

static void compression_level_changed ( GtkWidget *  slider, gpointer  user_data  )

static

References dt_bauhaus_slider_get(), and dt_conf_set_int().

Referenced by gui_init().

extension()

const char * extension

(

dt_imageio_module_data_t *

data

)

flags()

int flags

(

dt_imageio_module_data_t *

data

)

References FORMAT_FLAGS_SUPPORT_XMP.

free_params()

void free_params	(	dt_imageio_module_format_t *	self,
		dt_imageio_module_data_t *	params
	)

get_params()

void * get_params

(

dt_imageio_module_format_t *

self

)

References dt_imageio_png_t::bpp, bpp, dt_imageio_png_t::compression, dt_conf_get_int(), dt_conf_get_string_const(), and dt_conf_key_exists().

gui_cleanup()

void gui_cleanup

(

dt_imageio_module_format_t *

self

)

References dt_imageio_module_format_t::gui_data.

gui_init()

void gui_init

(

dt_imageio_module_format_t *

self

)

References darktable_t::bauhaus, dt_imageio_png_gui_t::bit_depth, bit_depth_changed(), bpp, dt_imageio_png_gui_t::compression, compression_level_changed(), darktable, dt_bauhaus_combobox_add(), dt_bauhaus_combobox_new(), dt_bauhaus_combobox_set(), dt_bauhaus_slider_new_with_range(), dt_bauhaus_slider_set(), dt_bauhaus_widget_set_label(), dt_conf_get_int(), dt_conf_get_string_const(), dt_conf_key_exists(), dt_confgen_get_int(), DT_DEFAULT, DT_GUI_MODULE, DT_MAX, DT_MIN, dt_imageio_module_format_t::gui_data, TRUE, and dt_imageio_module_format_t::widget.

gui_reset()

void gui_reset

(

dt_imageio_module_format_t *

self

)

References dt_imageio_png_gui_t::bit_depth, dt_imageio_png_gui_t::compression, dt_bauhaus_combobox_set(), dt_bauhaus_slider_set(), dt_confgen_get_int(), DT_DEFAULT, and dt_imageio_module_format_t::gui_data.

init()

void init

(

dt_imageio_module_format_t *

self

)

References bpp, darktable, dt_lua_register_module_member, and darktable_t::lua_state.

legacy_params()

void * legacy_params	(	dt_imageio_module_format_t *	self,
		const void *const	old_params,
		const size_t	old_params_size,
		const int	old_version,
		const int	new_version,
		size_t *	new_size
	)

References dt_imageio_png_t::bpp, bpp, dt_imageio_png_t::compression, dt_imageio_png_t::f, f(), dt_imageio_png_t::global, height, dt_imageio_module_data_t::height, dt_imageio_png_t::info_ptr, dt_imageio_module_data_t::max_height, dt_imageio_module_data_t::max_width, dt_imageio_png_t::png_ptr, dt_imageio_module_data_t::style, width, and dt_imageio_module_data_t::width.

levels()

int levels

(

dt_imageio_module_data_t *

p

)

References IMAGEIO_INT16, IMAGEIO_INT8, and IMAGEIO_RGB.

mime()

const char * mime

(

dt_imageio_module_data_t *

data

)

name()

const char * name

(

)

Referenced by write_image().

params_size()

size_t params_size

(

dt_imageio_module_format_t *

self

)

PNGwriteRawProfile()

static void PNGwriteRawProfile ( png_struct *  ping, png_info *  ping_info, char *  profile_type, guint8 *  profile_data, png_uint_32  length  )

static

References key.

Referenced by write_image().

read_image()

int read_image	(	dt_imageio_module_data_t *	p_tmp,
		uint8_t *	out
	)

References dt_imageio_png_t::f, dt_imageio_png_t::global, dt_imageio_module_data_t::height, dt_imageio_png_t::info_ptr, and dt_imageio_png_t::png_ptr.

set_params()

int set_params	(	dt_imageio_module_format_t *	self,
		const void *	params,
		const int	size
	)

References dt_imageio_png_t::bpp, dt_imageio_png_t::compression, dt_bauhaus_combobox_set(), dt_bauhaus_slider_set(), dt_conf_set_int(), dt_imageio_module_format_t::gui_data, and size.

write_image()

int write_image	(	dt_imageio_module_data_t *	p_tmp,
		const char *	filename,
		const void *	ivoid,
		dt_colorspaces_color_profile_type_t	over_type,
		const char *	over_filename,
		void *	exif,
		int	exif_len,
		int32_t	imgid,
		int	num,
		int	total,
		struct dt_dev_pixelpipe_t *	pipe,
		const gboolean	export_masks
	)

References dt_alloc_align, dt_colorspaces_get_output_profile(), dt_colorspaces_get_profile_name(), dt_free_align, f(), height, name(), PNGwriteRawProfile(), dt_colorspaces_color_profile_t::profile, and width.