/usr/include/gdal/gdalexif.h is in libgdal-dev 1.10.1+dfsg-8+b3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* $Id: gdalexif.h 24549 2012-06-09 20:14:14Z rouault $
*
* Project: JPEG JFIF Driver
* Purpose: Implement GDAL JPEG Support based on IJG libjpeg.
* Author: Frank Warmerdam, warmerdam@pobox.com
*
******************************************************************************
* Copyright (c) 2000, Frank Warmerdam
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
****************************************************************************/
#define EXIFOFFSETTAG 0x8769
#define INTEROPERABILITYOFFSET 0xA005
#define GPSOFFSETTAG 0x8825
#define MAXSTRINGLENGTH 65535
#ifdef RENAME_INTERNAL_LIBTIFF_SYMBOLS
#include "../frmts/gtiff/libtiff/gdal_libtiff_symbol_rename.h"
#endif
static const struct gpsname {
GUInt16 tag;
const char* name;
} gpstags [] = {
{ 0x00, "EXIF_GPSVersionID" },
{ 0x01, "EXIF_GPSLatitudeRef" },
{ 0x02, "EXIF_GPSLatitude" },
{ 0x03, "EXIF_GPSLongitudeRef" },
{ 0x04, "EXIF_GPSLongitude" },
{ 0x05, "EXIF_GPSAltitudeRef" },
{ 0x06, "EXIF_GPSAltitude" },
{ 0x07, "EXIF_GPSTimeStamp" },
{ 0x08, "EXIF_GPSSatellites" },
{ 0x09, "EXIF_GPSStatus" },
{ 0x0a, "EXIF_GPSMeasureMode" },
{ 0x0b, "EXIF_GPSDOP" },
{ 0x0c, "EXIF_GPSSpeedRef"},
{ 0x0d, "EXIF_GPSSpeed"},
{ 0x0e, "EXIF_GPSTrackRef"},
{ 0x0f, "EXIF_GPSTrack"},
{ 0x10, "EXIF_GPSImgDirectionRef"},
{ 0x11, "EXIF_GPSImgDirection"},
{ 0x12, "EXIF_GPSMapDatum"},
{ 0x13, "EXIF_GPSDestLatitudeRef"},
{ 0x14, "EXIF_GPSDestLatitude"},
{ 0x15, "EXIF_GPSDestLongitudeRef"},
{ 0x16, "EXIF_GPSDestLongitude"},
{ 0x17, "EXIF_GPSDestBearingRef"},
{ 0x18, "EXIF_GPSDestBearing"},
{ 0x19, "EXIF_GPSDestDistanceRef"},
{ 0x1a, "EXIF_GPSDestDistance"},
{ 0x1b, "EXIF_GPSProcessingMethod"},
{ 0x1c, "EXIF_GPSAreaInformation"},
{ 0x1d, "EXIF_GPSDateStamp"},
{ 0x1e, "EXIF_GPSDifferential"},
{ 0xffff, ""}
};
static const struct tagname {
GUInt16 tag;
const char* name;
} tagnames [] = {
// { 0x100, "EXIF_Image_Width"},
// { 0x101, "EXIF_Image_Length"},
{ 0x102, "EXIF_BitsPerSample"},
{ 0x103, "EXIF_Compression"},
{ 0x106, "EXIF_PhotometricInterpretation"},
{ 0x10A, "EXIF_Fill_Order"},
{ 0x10D, "EXIF_Document_Name"},
{ 0x10E, "EXIF_ImageDescription"},
{ 0x10F, "EXIF_Make"},
{ 0x110, "EXIF_Model"},
{ 0x111, "EXIF_StripOffsets"},
{ 0x112, "EXIF_Orientation"},
{ 0x115, "EXIF_SamplesPerPixel"},
{ 0x116, "EXIF_RowsPerStrip"},
{ 0x117, "EXIF_StripByteCounts"},
{ 0x11A, "EXIF_XResolution"},
{ 0x11B, "EXIF_YResolution"},
{ 0x11C, "EXIF_PlanarConfiguration"},
{ 0x128, "EXIF_ResolutionUnit"},
{ 0x12D, "EXIF_TransferFunction"},
{ 0x131, "EXIF_Software"},
{ 0x132, "EXIF_DateTime"},
{ 0x13B, "EXIF_Artist"},
{ 0x13E, "EXIF_WhitePoint"},
{ 0x13F, "EXIF_PrimaryChromaticities"},
{ 0x156, "EXIF_Transfer_Range"},
{ 0x200, "EXIF_JPEG_Proc"},
{ 0x201, "EXIF_JPEGInterchangeFormat"},
{ 0x202, "EXIF_JPEGInterchangeFormatLength"},
{ 0x211, "EXIF_YCbCrCoefficients"},
{ 0x212, "EXIF_YCbCrSubSampling"},
{ 0x213, "EXIF_YCbCrPositioning"},
{ 0x214, "EXIF_ReferenceBlackWhite"},
{ 0x828D, "EXIF_CFA_Repeat_Pattern_Dim"},
{ 0x828E, "EXIF_CFA_Pattern"},
{ 0x828F, "EXIF_Battery_Level"},
{ 0x8298, "EXIF_Copyright"},
{ 0x829A, "EXIF_ExposureTime"},
{ 0x829D, "EXIF_FNumber"},
{ 0x83BB, "EXIF_IPTC/NAA"},
// { 0x8769, "EXIF_Offset"},
{ 0x8773, "EXIF_Inter_Color_Profile"},
{ 0x8822, "EXIF_ExposureProgram"},
{ 0x8824, "EXIF_SpectralSensitivity"},
// { 0x8825, "EXIF_GPSOffset"},
{ 0x8827, "EXIF_ISOSpeedRatings"},
{ 0x8828, "EXIF_OECF"},
{ 0x9000, "EXIF_ExifVersion"},
{ 0x9003, "EXIF_DateTimeOriginal"},
{ 0x9004, "EXIF_DateTimeDigitized"},
{ 0x9101, "EXIF_ComponentsConfiguration"},
{ 0x9102, "EXIF_CompressedBitsPerPixel"},
{ 0x9201, "EXIF_ShutterSpeedValue"},
{ 0x9202, "EXIF_ApertureValue"},
{ 0x9203, "EXIF_BrightnessValue"},
{ 0x9204, "EXIF_ExposureBiasValue"},
{ 0x9205, "EXIF_MaxApertureValue"},
{ 0x9206, "EXIF_SubjectDistance"},
{ 0x9207, "EXIF_MeteringMode"},
{ 0x9208, "EXIF_LightSource"},
{ 0x9209, "EXIF_Flash"},
{ 0x920A, "EXIF_FocalLength"},
{ 0x9214, "EXIF_SubjectArea"},
{ 0x927C, "EXIF_MakerNote"},
{ 0x9286, "EXIF_UserComment"},
{ 0x9290, "EXIF_SubSecTime"},
{ 0x9291, "EXIF_SubSecTime_Original"},
{ 0x9292, "EXIF_SubSecTime_Digitized"},
{ 0xA000, "EXIF_FlashpixVersion"},
{ 0xA001, "EXIF_ColorSpace"},
{ 0xA002, "EXIF_PixelXDimension"},
{ 0xA003, "EXIF_PixelYDimension"},
{ 0xA004, "EXIF_RelatedSoundFile"},
// { 0xA005, "EXIF_InteroperabilityOffset"},
{ 0xA20B, "EXIF_FlashEnergy"}, // 0x920B in TIFF/EP
{ 0xA20C, "EXIF_SpatialFrequencyResponse"}, // 0x920C - -
{ 0xA20E, "EXIF_FocalPlaneXResolution"}, // 0x920E - -
{ 0xA20F, "EXIF_FocalPlaneYResolution"}, // 0x920F - -
{ 0xA210, "EXIF_FocalPlaneResolutionUnit"}, // 0x9210 - -
{ 0xA214, "EXIF_SubjectLocation"}, // 0x9214 - -
{ 0xA215, "EXIF_ExposureIndex"}, // 0x9215 - -
{ 0xA217, "EXIF_SensingMethod"}, // 0x9217 - -
{ 0xA300, "EXIF_FileSource"},
{ 0xA301, "EXIF_SceneType"},
{ 0xA302, "EXIF_CFAPattern"},
{ 0xA401, "EXIF_CustomRendered"},
{ 0xA402, "EXIF_ExposureMode"},
{ 0XA403, "EXIF_WhiteBalance"},
{ 0xA404, "EXIF_DigitalZoomRatio"},
{ 0xA405, "EXIF_FocalLengthIn35mmFilm"},
{ 0xA406, "EXIF_SceneCaptureType"},
{ 0xA407, "EXIF_GainControl"},
{ 0xA408, "EXIF_Contrast"},
{ 0xA409, "EXIF_Saturation"},
{ 0xA40A, "EXIF_Sharpness"},
{ 0xA40B, "EXIF_DeviceSettingDescription"},
{ 0xA40C, "EXIF_SubjectDistanceRange"},
{ 0xA420, "EXIF_ImageUniqueID"},
{ 0x0000, ""}
};
static const struct intr_tag {
GInt16 tag;
const char* name;
} intr_tags [] = {
{ 0x1, "EXIF_Interoperability_Index"},
{ 0x2, "EXIF_Interoperability_Version"},
{ 0x1000, "EXIF_Related_Image_File_Format"},
{ 0x1001, "EXIF_Related_Image_Width"},
{ 0x1002, "EXIF_Related_Image_Length"},
{ 0x0000, ""}
};
typedef enum {
TIFF_NOTYPE = 0, /* placeholder */
TIFF_BYTE = 1, /* 8-bit unsigned integer */
TIFF_ASCII = 2, /* 8-bit bytes w/ last byte null */
TIFF_SHORT = 3, /* 16-bit unsigned integer */
TIFF_LONG = 4, /* 32-bit unsigned integer */
TIFF_RATIONAL = 5, /* 64-bit unsigned fraction */
TIFF_SBYTE = 6, /* !8-bit signed integer */
TIFF_UNDEFINED = 7, /* !8-bit untyped data */
TIFF_SSHORT = 8, /* !16-bit signed integer */
TIFF_SLONG = 9, /* !32-bit signed integer */
TIFF_SRATIONAL = 10, /* !64-bit signed fraction */
TIFF_FLOAT = 11, /* !32-bit IEEE floating point */
TIFF_DOUBLE = 12, /* !64-bit IEEE floating point */
TIFF_IFD = 13 /* %32-bit unsigned integer (offset) */
} TIFFDataType;
/*
* TIFF Image File Directories are comprised of a table of field
* descriptors of the form shown below. The table is sorted in
* ascending order by tag. The values associated with each entry are
* disjoint and may appear anywhere in the file (so long as they are
* placed on a word boundary).
*
* If the value is 4 bytes or less, then it is placed in the offset
* field to save space. If the value is less than 4 bytes, it is
* left-justified in the offset field.
*/
typedef struct {
GUInt16 tdir_tag; /* see below */
GUInt16 tdir_type; /* data type; see below */
GUInt32 tdir_count; /* number of items; length in spec */
GUInt32 tdir_offset; /* byte offset to field data */
} TIFFDirEntry;
CPL_C_START
extern int TIFFDataWidth(TIFFDataType); /* table of tag datatype widths */
extern void TIFFSwabShort(GUInt16*);
extern void TIFFSwabLong(GUInt32*);
extern void TIFFSwabDouble(double*);
extern void TIFFSwabArrayOfShort(GUInt16*, unsigned long);
extern void TIFFSwabArrayOfLong(GUInt32*, unsigned long);
extern void TIFFSwabArrayOfDouble(double*, unsigned long);
CPL_C_END
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