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// ==========================================================
// Tag manipulation functions
//
// Design and implementation by
// - Hervé Drolon <drolon@infonie.fr>
//
// This file is part of FreeImage 3
//
// COVERED CODE IS PROVIDED UNDER THIS LICENSE ON AN "AS IS" BASIS, WITHOUT WARRANTY
// OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, WITHOUT LIMITATION, WARRANTIES
// THAT THE COVERED CODE IS FREE OF DEFECTS, MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE
// OR NON-INFRINGING. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE COVERED
// CODE IS WITH YOU. SHOULD ANY COVERED CODE PROVE DEFECTIVE IN ANY RESPECT, YOU (NOT
// THE INITIAL DEVELOPER OR ANY OTHER CONTRIBUTOR) ASSUME THE COST OF ANY NECESSARY
// SERVICING, REPAIR OR CORRECTION. THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL
// PART OF THIS LICENSE. NO USE OF ANY COVERED CODE IS AUTHORIZED HEREUNDER EXCEPT UNDER
// THIS DISCLAIMER.
//
// Use at your own risk!
// ==========================================================

#ifndef FREEIMAGETAG_H
#define FREEIMAGETAG_H

// ==========================================================
// Exif JPEG tags
// ==========================================================

// ----------------------------------------------------------
// TIFF Rev. 6.0 Attribute Information Used in Exif
// ----------------------------------------------------------

// Tags relating to image data structure

#define TAG_IMAGE_WIDTH					0x0100
#define TAG_IMAGE_HEIGHT				0x0101
#define TAG_BITS_PER_SAMPLE				0x0102
#define TAG_COMPRESSION					0x0103
#define TAG_PHOTOMETRIC_INTERPRETATION	0x0106
#define TAG_ORIENTATION					0x0112
#define TAG_SAMPLES_PER_PIXEL			0x0115
#define TAG_PLANAR_CONFIGURATION		0x011C
#define TAG_YCBCR_SUBSAMPLING			0x0212
#define TAG_YCBCR_POSITIONING			0x0213
#define TAG_X_RESOLUTION				0x011A
#define TAG_Y_RESOLUTION				0x011B
#define TAG_RESOLUTION_UNIT				0x0128

// LibTIF compression modes

#define	    TAG_COMPRESSION_NONE		1	/* dump mode */
#define	    TAG_COMPRESSION_CCITTRLE	2	/* CCITT modified Huffman RLE */
#define	    TAG_COMPRESSION_CCITTFAX3	3	/* CCITT Group 3 fax encoding */
#define     TAG_COMPRESSION_CCITT_T4        3       /* CCITT T.4 (TIFF 6 name) */
#define	    TAG_COMPRESSION_CCITTFAX4	4	/* CCITT Group 4 fax encoding */
#define     TAG_COMPRESSION_CCITT_T6        4       /* CCITT T.6 (TIFF 6 name) */
#define	    TAG_COMPRESSION_LZW		5       /* Lempel-Ziv  & Welch */
#define	    TAG_COMPRESSION_OJPEG		6	/* !6.0 JPEG */
#define	    TAG_COMPRESSION_JPEG		7	/* %JPEG DCT compression */
#define	    TAG_COMPRESSION_NEXT		32766	/* NeXT 2-bit RLE */
#define	    TAG_COMPRESSION_CCITTRLEW	32771	/* #1 w/ word alignment */
#define	    TAG_COMPRESSION_PACKBITS	32773	/* Macintosh RLE */
#define	    TAG_COMPRESSION_THUNDERSCAN	32809	/* ThunderScan RLE */
/* codes 32895-32898 are reserved for ANSI IT8 TIFF/IT <dkelly@apago.com) */
#define	    TAG_COMPRESSION_IT8CTPAD	32895   /* IT8 CT w/padding */
#define	    TAG_COMPRESSION_IT8LW		32896   /* IT8 Linework RLE */
#define	    TAG_COMPRESSION_IT8MP		32897   /* IT8 Monochrome picture */
#define	    TAG_COMPRESSION_IT8BL		32898   /* IT8 Binary line art */
/* compression codes 32908-32911 are reserved for Pixar */
#define     TAG_COMPRESSION_PIXARFILM	32908   /* Pixar companded 10bit LZW */
#define	    TAG_COMPRESSION_PIXARLOG	32909   /* Pixar companded 11bit ZIP */
#define	    TAG_COMPRESSION_DEFLATE		32946	/* Deflate compression */
#define     TAG_COMPRESSION_ADOBE_DEFLATE   8       /* Deflate compression,
						   as recognized by Adobe */
/* compression code 32947 is reserved for Oceana Matrix <dev@oceana.com> */
#define     TAG_COMPRESSION_DCS             32947   /* Kodak DCS encoding */
#define	    TAG_COMPRESSION_JBIG		34661	/* ISO JBIG */
#define     TAG_COMPRESSION_SGILOG		34676	/* SGI Log Luminance RLE */
#define     TAG_COMPRESSION_SGILOG24	34677	/* SGI Log 24-bit packed */
#define     TAG_COMPRESSION_JP2000          34712   /* Leadtools JPEG2000 */
#define	    TAG_COMPRESSION_LZMA		34925	/* LZMA2 */

// Tags relating to recording offset

#define TAG_STRIP_OFFSETS					0x0111
#define TAG_ROWS_PER_STRIP					0x0116
#define TAG_STRIP_BYTE_COUNTS				0x0117
#define TAG_JPEG_INTERCHANGE_FORMAT			0x0201
#define TAG_JPEG_INTERCHANGE_FORMAT_LENGTH	0x0202

// Tags relating to image data characteristics

#define TAG_TRANSFER_FUNCTION		0x012D
#define TAG_WHITE_POINT				0x013E
#define TAG_PRIMARY_CHROMATICITIES	0x013F
#define TAG_YCBCR_COEFFICIENTS		0x0211
#define TAG_REFERENCE_BLACK_WHITE	0x0214

// Other tags

#define TAG_DATETIME 				0x0132
#define TAG_IMAGE_DESCRIPTION 		0x010E
#define TAG_MAKE 					0x010F
#define TAG_MODEL 					0x0110
#define TAG_SOFTWARE 				0x0131
#define TAG_ARTIST 					0x013B
#define TAG_COPYRIGHT 				0x8298

// ----------------------------------------------------------
// Exif IFD Attribute Information
// ----------------------------------------------------------

// Tags relating to version

#define TAG_EXIF_VERSION 			0x9000
#define TAG_FLASHPIX_VERSION 		0xA000

// Tag relating to image data characteristics

#define TAG_COLOR_SPACE 			0xA001

// Tags relating to image configuration

#define TAG_COMPONENTS_CONFIGURATION	0x9101
#define TAG_COMPRESSED_BITS_PER_PIXEL	0x9102
#define TAG_PIXEL_X_DIMENSION			0xA002
#define TAG_PIXEL_Y_DIMENSION			0xA003

// Tags relating to user information

#define TAG_MARKER_NOTE		0x927C
#define TAG_USER_COMMENT	0x9286
    
// Tag relating to related file information

#define TAG_RELATED_SOUND_FILE			0xA004

// Tags relating to date and time

#define TAG_DATETIME_ORIGINAL			0x9003
#define TAG_DATETIME_DIGITIZED			0x9004
#define TAG_SUBSECOND_TIME				0x9290
#define TAG_SUBSECOND_TIME_ORIGINAL		0x9291
#define TAG_SUBSECOND_TIME_DIGITIZED	0x9292

// Tags relating to picture-taking conditions

#define TAG_EXPOSURE_TIME				0x829A
#define TAG_FNUMBER						0x829D
#define TAG_EXPOSURE_PROGRAM			0x8822
#define TAG_SPECTRAL_SENSITIVITY		0x8824
#define TAG_ISO_SPEED_RATINGS 			0x8827
#define TAG_OECF						0x8828
#define TAG_SHUTTER_SPEED_VALUE 		0x9201
#define TAG_APERTURE_VALUE 				0x9202
#define TAG_BRIGHTNESS_VALUE			0x9203