gp_exif.h File Reference

EXIF parser. More...

#include <core/gp_gamma_correction.h>
#include <loaders/gp_data_storage.h>
#include <loaders/gp_loader.h>

Go to the source code of this file.

Enumerations
enum	GP_EXIF_ORIENTATION { GP_EXIF_UPPER_LEFT = 1 , GP_EXIF_LOWER_RIGHT = 3 , GP_EXIF_UPPER_RIGHT = 6 , GP_EXIF_LOWER_LEFT = 8 }
	Defines position to 0,0 coordinate. More...
enum	gp_exif_color_space { GP_EXIF_COLOR_SPACE_SRGB = 1 , GP_EXIF_COLOR_SPACE_UNDEFINED = 0xffff }
	Color space values. More...

Functions
int	gp_read_exif (gp_io *io, gp_storage *storage, gp_correction_desc *corr_desc)
	Reads EXIF from a readable I/O stream and stores the values into storage.

Detailed Description

EXIF parser.

Definition in file gp_exif.h.

Enumeration Type Documentation

gp_exif_color_space

enum gp_exif_color_space

Color space values.

Enumerator
GP_EXIF_COLOR_SPACE_SRGB	sRGB color space
GP_EXIF_COLOR_SPACE_UNDEFINED	Adobe RGB is Undefined + Gamma = 22/10.

Definition at line 46 of file gp_exif.h.

GP_EXIF_ORIENTATION

enum GP_EXIF_ORIENTATION

Defines position to 0,0 coordinate.

Enumerator
GP_EXIF_UPPER_LEFT	Upper left.
GP_EXIF_LOWER_RIGHT	Lower right.
GP_EXIF_UPPER_RIGHT	Upper right.
GP_EXIF_LOWER_LEFT	Lower left.

Definition at line 32 of file gp_exif.h.

Function Documentation

gp_read_exif()

int gp_read_exif	(	gp_io *	io,
		gp_storage *	storage,
		gp_correction_desc *	corr_desc )

Reads EXIF from a readable I/O stream and stores the values into storage.

Parameters

io	An input I/O stream.
storage	A data storage for exif metadata, may be NULL if not needed.
corr_desc	A correction tables parsed from the exif.

Returns

Zero on success, non-zero otherwise.