exif-utils.c File Reference

#include <config.h>
#include <libexif/exif-utils.h>

Go to the source code of this file.

Functions

void exif_array_set_byte_order (ExifFormat f, unsigned char *b, unsigned int n, ExifByteOrder o_orig, ExifByteOrder o_new)

For internal use only.

ExifSShort exif_get_sshort (const unsigned char *buf, ExifByteOrder order)

Retrieve an ExifSShort value from memory.

ExifShort exif_get_short (const unsigned char *buf, ExifByteOrder order)

Retrieve an ExifShort value from memory.

void exif_set_sshort (unsigned char *b, ExifByteOrder order, ExifSShort value)

Store an ExifSShort value into memory in EXIF format.

void exif_set_short (unsigned char *b, ExifByteOrder order, ExifShort value)

Store an ExifShort value into memory in EXIF format.

ExifSLong exif_get_slong (const unsigned char *b, ExifByteOrder order)

Retrieve an ExifSLong value from memory.

void exif_set_slong (unsigned char *b, ExifByteOrder order, ExifSLong value)

Store an ExifSLong value into memory in EXIF format.

ExifLong exif_get_long (const unsigned char *buf, ExifByteOrder order)

Retrieve an ExifLong value from memory.

void exif_set_long (unsigned char *b, ExifByteOrder order, ExifLong value)

Store an ExifLong value into memory in EXIF format.

ExifSRational exif_get_srational (const unsigned char *buf, ExifByteOrder order)

Retrieve an ExifSRational value from memory.

ExifRational exif_get_rational (const unsigned char *buf, ExifByteOrder order)

Retrieve an ExifRational value from memory.

void exif_set_rational (unsigned char *buf, ExifByteOrder order, ExifRational value)

Store an ExifRational value into memory in EXIF format.

void exif_set_srational (unsigned char *buf, ExifByteOrder order, ExifSRational value)

Store an ExifSRational value into memory in EXIF format.

void exif_convert_utf16_to_utf8 (char *out, const unsigned short *in, int maxlen)

This function converts rather UCS-2LE than UTF-16 to UTF-8.

Function Documentation

void exif_array_set_byte_order	(	ExifFormat	f,
		unsigned char *	b,
		unsigned int	n,
		ExifByteOrder	o_orig,
		ExifByteOrder	o_new
	)

For internal use only.

Definition at line 26 of file exif-utils.c.

Referenced by entry_set_byte_order(), exif_mnote_data_canon_set_byte_order(), exif_mnote_data_fuji_set_byte_order(), exif_mnote_data_olympus_set_byte_order(), and exif_mnote_data_pentax_set_byte_order().

void exif_convert_utf16_to_utf8	(	char *	out,
		const unsigned short *	in,
		int	maxlen
	)

This function converts rather UCS-2LE than UTF-16 to UTF-8.

For internal use only.

It should really be replaced by iconv().

Definition at line 220 of file exif-utils.c.

Referenced by exif_entry_get_value().

ExifLong exif_get_long	(	const unsigned char *	b,
		ExifByteOrder	order
	)

Retrieve an ExifLong value from memory.

Parameters:

`[in]`	b	pointer to raw EXIF value in memory
`[in]`	order	byte order of raw value

Returns:: value

Definition at line 165 of file exif-utils.c.

Referenced by exif_array_set_byte_order(), exif_data_load_data(), exif_data_load_data_content(), exif_data_load_data_entry(), exif_entry_format_value(), exif_get_rational(), exif_get_short_convert(), exif_mnote_data_canon_load(), exif_mnote_data_fuji_load(), exif_mnote_data_olympus_load(), exif_mnote_data_pentax_load(), mnote_canon_entry_get_value(), mnote_fuji_entry_get_value(), mnote_olympus_entry_get_value(), and mnote_pentax_entry_get_value().

ExifRational exif_get_rational	(	const unsigned char *	b,
		ExifByteOrder	order
	)

Retrieve an ExifRational value from memory.

Parameters:

`[in]`	b	pointer to raw EXIF value in memory
`[in]`	order	byte order of raw value

Returns:: value

Definition at line 188 of file exif-utils.c.

Referenced by exif_array_set_byte_order(), exif_entry_fix(), exif_entry_format_value(), exif_entry_get_value(), mnote_fuji_entry_get_value(), and mnote_olympus_entry_get_value().

ExifShort exif_get_short	(	const unsigned char *	b,
		ExifByteOrder	order
	)

Retrieve an ExifShort value from memory.

Parameters:

`[in]`	b	pointer to raw EXIF value in memory
`[in]`	order	byte order of raw value

Returns:: value

Definition at line 102 of file exif-utils.c.

Referenced by cmp_func(), exif_array_set_byte_order(), exif_data_load_data(), exif_data_load_data_content(), exif_data_load_data_entry(), exif_entry_format_value(), exif_entry_get_value(), exif_get_short_convert(), exif_mnote_data_canon_load(), exif_mnote_data_fuji_load(), exif_mnote_data_olympus_load(), exif_mnote_data_pentax_load(), mnote_canon_entry_count_values(), mnote_canon_entry_get_value(), mnote_fuji_entry_get_value(), mnote_olympus_entry_get_value(), and mnote_pentax_entry_get_value().

ExifSLong exif_get_slong	(	const unsigned char *	b,
		ExifByteOrder	order
	)

Retrieve an ExifSLong value from memory.

Parameters:

`[in]`	b	pointer to raw EXIF value in memory
`[in]`	order	byte order of raw value

Returns:: value

Definition at line 130 of file exif-utils.c.

Referenced by exif_array_set_byte_order(), exif_entry_format_value(), exif_get_long(), exif_get_short_convert(), exif_get_srational(), and mnote_fuji_entry_get_value().

ExifSRational exif_get_srational	(	const unsigned char *	b,
		ExifByteOrder	order
	)

Retrieve an ExifSRational value from memory.

Parameters:

`[in]`	b	pointer to raw EXIF value in memory
`[in]`	order	byte order of raw value

Returns:: value

Definition at line 177 of file exif-utils.c.

Referenced by exif_array_set_byte_order(), exif_entry_fix(), exif_entry_format_value(), exif_entry_get_value(), mnote_fuji_entry_get_value(), and mnote_olympus_entry_get_value().

ExifSShort exif_get_sshort	(	const unsigned char *	b,
		ExifByteOrder	order
	)

Retrieve an ExifSShort value from memory.

Parameters:

`[in]`	b	pointer to raw EXIF value in memory
`[in]`	order	byte order of raw value

Returns:: value

Definition at line 87 of file exif-utils.c.

Referenced by exif_array_set_byte_order(), exif_entry_format_value(), exif_get_short(), exif_get_short_convert(), and mnote_olympus_entry_get_value().

void exif_set_long	(	unsigned char *	b,
		ExifByteOrder	order,
		ExifLong	value
	)

Store an ExifLong value into memory in EXIF format.

Parameters:

`[out]`	b	buffer in which to write raw value
`[in]`	order	byte order to use
`[in]`	value	data value to store

Definition at line 171 of file exif-utils.c.

Referenced by exif_array_set_byte_order(), exif_data_save_data(), exif_data_save_data_content(), exif_data_save_data_entry(), exif_mnote_data_canon_save(), exif_mnote_data_fuji_save(), exif_mnote_data_olympus_save(), exif_mnote_data_pentax_save(), and exif_set_rational().

void exif_set_rational	(	unsigned char *	b,
		ExifByteOrder	order,
		ExifRational	value
	)

Store an ExifRational value into memory in EXIF format.

Parameters:

`[out]`	b	buffer in which to write raw value
`[in]`	order	byte order to use
`[in]`	value	data value to store

Definition at line 199 of file exif-utils.c.

Referenced by exif_array_set_byte_order(), exif_entry_fix(), and exif_entry_initialize().

void exif_set_short	(	unsigned char *	b,
		ExifByteOrder	order,
		ExifShort	value
	)

Store an ExifShort value into memory in EXIF format.

Parameters:

`[out]`	b	buffer in which to write raw value
`[in]`	order	byte order to use
`[in]`	value	data value to store

Definition at line 124 of file exif-utils.c.

Referenced by exif_array_set_byte_order(), exif_data_save_data(), exif_data_save_data_content(), exif_data_save_data_entry(), exif_entry_fix(), exif_entry_initialize(), exif_mnote_data_canon_save(), exif_mnote_data_fuji_save(), exif_mnote_data_olympus_save(), and exif_mnote_data_pentax_save().

void exif_set_slong	(	unsigned char *	b,
		ExifByteOrder	order,
		ExifSLong	value
	)

Store an ExifSLong value into memory in EXIF format.

Parameters:

`[out]`	b	buffer in which to write raw value
`[in]`	order	byte order to use
`[in]`	value	data value to store

Definition at line 145 of file exif-utils.c.

Referenced by exif_array_set_byte_order(), exif_set_long(), and exif_set_srational().

void exif_set_srational	(	unsigned char *	b,
		ExifByteOrder	order,
		ExifSRational	value
	)

Store an ExifSRational value into memory in EXIF format.

Parameters:

`[out]`	b	buffer in which to write raw value
`[in]`	order	byte order to use
`[in]`	value	data value to store

Definition at line 208 of file exif-utils.c.

Referenced by exif_array_set_byte_order(), exif_entry_fix(), and main().

void exif_set_sshort	(	unsigned char *	b,
		ExifByteOrder	order,
		ExifSShort	value
	)

Store an ExifSShort value into memory in EXIF format.

Parameters:

`[out]`	b	buffer in which to write raw value
`[in]`	order	byte order to use
`[in]`	value	data value to store

Definition at line 108 of file exif-utils.c.

Referenced by exif_array_set_byte_order(), and exif_set_short().

Generated by


Functions
void	exif_array_set_byte_order (ExifFormat f, unsigned char *b, unsigned int n, ExifByteOrder o_orig, ExifByteOrder o_new)
	For internal use only.
ExifSShort	exif_get_sshort (const unsigned char *buf, ExifByteOrder order)
	Retrieve an ExifSShort value from memory.
ExifShort	exif_get_short (const unsigned char *buf, ExifByteOrder order)
	Retrieve an ExifShort value from memory.
void	exif_set_sshort (unsigned char *b, ExifByteOrder order, ExifSShort value)
	Store an ExifSShort value into memory in EXIF format.
void	exif_set_short (unsigned char *b, ExifByteOrder order, ExifShort value)
	Store an ExifShort value into memory in EXIF format.
ExifSLong	exif_get_slong (const unsigned char *b, ExifByteOrder order)
	Retrieve an ExifSLong value from memory.
void	exif_set_slong (unsigned char *b, ExifByteOrder order, ExifSLong value)
	Store an ExifSLong value into memory in EXIF format.
ExifLong	exif_get_long (const unsigned char *buf, ExifByteOrder order)
	Retrieve an ExifLong value from memory.
void	exif_set_long (unsigned char *b, ExifByteOrder order, ExifLong value)
	Store an ExifLong value into memory in EXIF format.
ExifSRational	exif_get_srational (const unsigned char *buf, ExifByteOrder order)
	Retrieve an ExifSRational value from memory.
ExifRational	exif_get_rational (const unsigned char *buf, ExifByteOrder order)
	Retrieve an ExifRational value from memory.
void	exif_set_rational (unsigned char *buf, ExifByteOrder order, ExifRational value)
	Store an ExifRational value into memory in EXIF format.
void	exif_set_srational (unsigned char *buf, ExifByteOrder order, ExifSRational value)
	Store an ExifSRational value into memory in EXIF format.
void	exif_convert_utf16_to_utf8 (char out, const unsigned short in, int maxlen)
	This function converts rather UCS-2LE than UTF-16 to UTF-8.