exif-loader.h File Reference

Defines the ExifLoader type. More...

#include <libexif/exif-data.h>
#include <libexif/exif-loader.h>
#include <libexif/exif-log.h>
#include <libexif/exif-mem.h>

Go to the source code of this file.

Typedefs
typedef _ExifLoader	ExifLoader
Functions
ExifLoader *	exif_loader_new (void)
ExifLoader *	exif_loader_new_mem (ExifMem *mem)
void	exif_loader_ref (ExifLoader *loader)
void	exif_loader_unref (ExifLoader *loader)
void	exif_loader_write_file (ExifLoader *loader, const char *fname)
unsigned char	exif_loader_write (ExifLoader *loader, unsigned char *buf, unsigned int sz)
void	exif_loader_reset (ExifLoader *loader)
ExifData *	exif_loader_get_data (ExifLoader *loader)
void	exif_loader_log (ExifLoader *, ExifLog *)

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Detailed Description

Defines the ExifLoader type.

Definition in file exif-loader.h.

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Typedef Documentation

typedef struct _ExifLoader ExifLoader

Definition at line 35 of file exif-loader.h.

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Function Documentation

ExifData* exif_loader_get_data

(

ExifLoader *

loader

)

Get an ExifData out of an ExifLoader

Parameters:

[in]

loader

the loader

Returns:

and allocated ExifData

Definition at line 378 of file exif-loader.c.

References _ExifLoader::buf, _ExifLoader::bytes_read, exif_data_load_data(), exif_data_log(), exif_data_new_mem(), _ExifLoader::log, and _ExifLoader::mem.

Referenced by exif_data_new_from_file().

void exif_loader_log	(	ExifLoader *	,
		ExifLog *
	)

Definition at line 393 of file exif-loader.c.

References exif_log_ref(), exif_log_unref(), and _ExifLoader::log.

ExifLoader* exif_loader_new

(

void

)

Allocate a new ExifLoader

Returns:

the allocated ExifLoader

Definition at line 305 of file exif-loader.c.

References exif_loader_new_mem(), exif_mem_new_default(), and exif_mem_unref().

Referenced by exif_data_new_from_file().

ExifLoader* exif_loader_new_mem

(

ExifMem *

mem

)

Allocate a new ExifLoader using an ExifMem

Parameters:

[in]

mem

the ExifMem

Returns:

the allocated ExifLoader

Definition at line 316 of file exif-loader.c.

References exif_mem_alloc(), exif_mem_ref(), _ExifLoader::mem, and _ExifLoader::ref_count.

Referenced by exif_loader_new().

void exif_loader_ref

(

ExifLoader *

loader

)

Increase the refcount of the ExifLoader

Parameters:

[in]

loader

the ExifLoader to increase the refcount of.

Definition at line 335 of file exif-loader.c.

References _ExifLoader::ref_count.

void exif_loader_reset

(

ExifLoader *

loader

)

Reset the ExifLoader

Parameters:

[in]

loader

the loader

Definition at line 365 of file exif-loader.c.

References _ExifLoader::b_len, _ExifLoader::buf, _ExifLoader::bytes_read, _ExifLoader::data_format, EL_DATA_FORMAT_UNKNOWN, exif_mem_free(), _ExifLoader::mem, _ExifLoader::size, and _ExifLoader::state.

Referenced by exif_loader_free().

void exif_loader_unref

(

ExifLoader *

loader

)

Decrease the refcount of the ExifLoader

Parameters:

[in]

loader

the ExifLoader to decrease the refcount of. If the refcount reaches 0, the ExifLoader is freeed.

Definition at line 356 of file exif-loader.c.

References exif_loader_free(), and _ExifLoader::ref_count.

Referenced by exif_data_new_from_file().

unsigned char exif_loader_write	(	ExifLoader *	loader,
		unsigned char *	buf,
		unsigned int	sz
	)

Write a buffer to the ExifLoader

Parameters:

[in]	loader	the loader to write too
[in]	buf	the buffer to read from
[in]	sz	the size of the buffer

Returns:

1 while EXIF data is read (or while there is still hope that there will be EXIF data later on), 0 otherwise.

Definition at line 147 of file exif-loader.c.

References _ExifLoader::b, _ExifLoader::b_len, _ExifLoader::data_format, EL_DATA_FORMAT_EXIF, EL_DATA_FORMAT_FUJI_RAW, EL_DATA_FORMAT_JPEG, EL_DATA_FORMAT_UNKNOWN, EL_EXIF_FOUND, EL_READ, EL_READ_SIZE_BYTE_00, EL_READ_SIZE_BYTE_08, EL_READ_SIZE_BYTE_16, EL_READ_SIZE_BYTE_24, EL_SKIP_BYTES, exif_loader_copy(), exif_log(), EXIF_LOG_CODE_DEBUG, ExifHeader, _ExifLoader::log, MIN, _ExifLoader::size, and _ExifLoader::state.

Referenced by exif_loader_write_file().

void exif_loader_write_file	(	ExifLoader *	loader,
		const char *	fname
	)

Write a file to the ExifLoader

Parameters:

[in]	loader	the loader
[in]	fname	the path to the file to read

Definition at line 101 of file exif-loader.c.

References _, exif_loader_write(), exif_log(), EXIF_LOG_CODE_NONE, _ExifLoader::log, and size.

Referenced by exif_data_new_from_file().

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