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/
tiff_types.go
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/
tiff_types.go
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// Copyright 2014 <chaishushan{AT}gmail.com>. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package tiff
/*
* NB: In the comments below,
* - items marked with a + are obsoleted by revision 5.0,
* - items marked with a ! are introduced in revision 6.0.
* - items marked with a % are introduced post revision 6.0.
* - items marked with a $ are obsoleted by revision 6.0.
* - items marked with a & are introduced by Adobe DNG specification.
*/
const (
ClassicTiffLittleEnding = "II\x2A\x00"
ClassicTiffBigEnding = "MM\x00\x2A"
BigTiffLittleEnding = "II\x2B\x00"
BigTiffBigEnding = "MM\x00\x2B"
)
type TiffType uint16
const (
TiffType_ClassicTIFF TiffType = 42
TiffType_BigTIFF TiffType = 43
)
type ImageType uint16
const (
ImageType_Nil ImageType = iota
ImageType_Bilevel
ImageType_BilevelInvert
ImageType_Paletted
ImageType_Gray
ImageType_GrayInvert
ImageType_RGB
ImageType_RGBA
ImageType_NRGBA
)
type DataType uint16
const (
DataType_Nil DataType = 0 // placeholder, invalid
DataType_Byte DataType = 1 // 8-bit unsigned integer
DataType_ASCII DataType = 2 // 8-bit bytes w/ last byte null
DataType_Short DataType = 3 // 16-bit unsigned integer
DataType_Long DataType = 4 // 32-bit unsigned integer
DataType_Rational DataType = 5 // 64-bit unsigned fraction
DataType_SByte DataType = 6 // !8-bit signed integer
DataType_Undefined DataType = 7 // !8-bit untyped data
DataType_SShort DataType = 8 // !16-bit signed integer
DataType_SLong DataType = 9 // !32-bit signed integer
DataType_SRational DataType = 10 // !64-bit signed fraction
DataType_Float DataType = 11 // !32-bit IEEE floating point
DataType_Double DataType = 12 // !64-bit IEEE floating point
DataType_IFD DataType = 13 // %32-bit unsigned integer (offset)
DataType_Long8 DataType = 16 // BigTIFF 64-bit unsigned integer
DataType_SLong8 DataType = 17 // BigTIFF 64-bit signed integer
DataType_IFD8 DataType = 18 // BigTIFF 64-bit unsigned integer (offset)
)
type (
TagType uint16
TagValue_NewSubfileType TagType
TagValue_SubfileType TagType
TagValue_CompressionType TagType
TagValue_PhotometricType TagType
TagValue_PredictorType TagType
TagValue_ResolutionUnitType TagType
TagValue_SampleFormatType TagType
)
const (
_ = 0 // Type(A/B/C/*), Num(1/*), Required, # comment
TagType_NewSubfileType TagType = 254 // LONG , 1, # Default=0. subfile data descriptor
_ = 0 //
TagValue_NewSubfileType_Nil TagValue_NewSubfileType = 0 //
TagValue_NewSubfileType_Reduced TagValue_NewSubfileType = 1 // # bit0, reduced resolution version
TagValue_NewSubfileType_Page TagValue_NewSubfileType = 2 // # bit1, one page of many
TagValue_NewSubfileType_Reduced_Page TagValue_NewSubfileType = 3 //
TagValue_NewSubfileType_Mask TagValue_NewSubfileType = 4 // # bit2, transparency mask
TagValue_NewSubfileType_Reduced_Mask TagValue_NewSubfileType = 5 //
TagValue_NewSubfileType_Page_Mask TagValue_NewSubfileType = 6 //
TagValue_NewSubfileType_Reduced_Page_Mask TagValue_NewSubfileType = 7 //
_ = 0 //
TagType_SubfileType TagType = 255 // SHORT, 1, # kind of data in subfile
_ = 0 //
TagValue_SubfileType_Image TagValue_SubfileType = 1 // # full resolution image data
TagValue_SubfileType_ReducedImage TagValue_SubfileType = 2 // # reduced size image data
TagValue_SubfileType_Page TagValue_SubfileType = 3 // # one page of many
_ = 0 //
TagType_ImageWidth TagType = 256 // SHORT/LONG/LONG8, 1, # Required
TagType_ImageLength TagType = 257 // SHORT/LONG/LONG8, 1, # Required
TagType_BitsPerSample TagType = 258 // SHORT, *, # Default=1. See SamplesPerPixel
TagType_Compression TagType = 259 // SHORT, 1, # Default=1
_ = 0 //
TagValue_CompressionType_Nil TagValue_CompressionType = 0 //
TagValue_CompressionType_None TagValue_CompressionType = 1 //
TagValue_CompressionType_CCITT TagValue_CompressionType = 2 //
TagValue_CompressionType_G3 TagValue_CompressionType = 3 // # Group 3 Fax.
TagValue_CompressionType_G4 TagValue_CompressionType = 4 // # Group 4 Fax.
TagValue_CompressionType_LZW TagValue_CompressionType = 5 //
TagValue_CompressionType_JPEGOld TagValue_CompressionType = 6 // # Superseded by cJPEG.
TagValue_CompressionType_JPEG TagValue_CompressionType = 7 //
TagValue_CompressionType_Deflate TagValue_CompressionType = 8 // # zlib compression.
TagValue_CompressionType_PackBits TagValue_CompressionType = 32773 //
TagValue_CompressionType_DeflateOld TagValue_CompressionType = 32946 // # Superseded by cDeflate.
_ = 0 //
TagType_PhotometricInterpretation TagType = 262 // SHORT, 1,
_ = 0 //
TagValue_PhotometricType_WhiteIsZero TagValue_PhotometricType = 0 //
TagValue_PhotometricType_BlackIsZero TagValue_PhotometricType = 1 //
TagValue_PhotometricType_RGB TagValue_PhotometricType = 2 //
TagValue_PhotometricType_Paletted TagValue_PhotometricType = 3 //
TagValue_PhotometricType_TransMask TagValue_PhotometricType = 4 // # transparency mask
TagValue_PhotometricType_CMYK TagValue_PhotometricType = 5 //
TagValue_PhotometricType_YCbCr TagValue_PhotometricType = 6 //
TagValue_PhotometricType_CIELab TagValue_PhotometricType = 8 //
_ = 0 //
TagType_Threshholding TagType = 263 // SHORT, 1, # Default=1
TagType_CellWidth TagType = 264 // SHORT, 1,
TagType_CellLenght TagType = 265 // SHORT, 1,
TagType_FillOrder TagType = 266 // SHORT, 1, # Default=1
TagType_DocumentName TagType = 269 // ASCII
TagType_ImageDescription TagType = 270 // ASCII
TagType_Make TagType = 271 // ASCII
TagType_Model TagType = 272 // ASCII
TagType_StripOffsets TagType = 273 // SHORT/LONG/LONG8, *, # StripsPerImage
TagType_Orientation TagType = 274 // SHORT, 1, # Default=1
TagType_SamplesPerPixel TagType = 277 // SHORT, 1, # Default=1
TagType_RowsPerStrip TagType = 278 // SHORT/LONG/LONG8, 1,
TagType_StripByteCounts TagType = 279 // SHORT/LONG/LONG8, *, # StripsPerImage
TagType_MinSampleValue TagType = 280 // SHORT, *, # Default=0
TagType_MaxSampleValue TagType = 281 // SHORT, *, # Default=2^BitsPerSample-1
TagType_XResolution TagType = 282 // RATIONAL, 1, # Required?
TagType_YResolution TagType = 283 // RATIONAL, 1, # Required?
TagType_PlanarConfiguration TagType = 284 // SHORT, 1, # Defaule=1
TagType_PageName TagType = 285 // ASCII
TagType_XPosition TagType = 286 // RATIONAL, 1
TagType_YPosition TagType = 287 // RATIONAL, 1
TagType_FreeOffsets TagType = 288 // LONG/LONG8, *
TagType_FreeByteCounts TagType = 289 // LONG/LONG8, *
TagType_GrayResponseUnit TagType = 290 // SHORT, 1,
TagType_GrayResponseCurve TagType = 291 // SHORT, *, # 2**BitPerSample
TagType_T4Options TagType = 292 // LONG, 1, # Default=0
TagType_T6Options TagType = 293 // LONG, 1, # Default=0
TagType_ResolutionUnit TagType = 296 // SHORT, 1, # Default=2
_ = 0 //
TagValue_ResolutionUnitType_None TagValue_ResolutionUnitType = 1 //
TagValue_ResolutionUnitType_PerInch TagValue_ResolutionUnitType = 2 // # Dots per inch.
TagValue_ResolutionUnitType_PerCM TagValue_ResolutionUnitType = 3 // # Dots per centimeter.
_ = 0 //
TagType_PageNumber TagType = 297 // SHORT, 2,
TagType_TransferFunction TagType = 301 // SHORT, *, # {1 or SamplesPerPixel}*2**BitPerSample
TagType_Software TagType = 305 // ASCII
TagType_DateTime TagType = 306 // ASCII, 20, # YYYY:MM:DD HH:MM:SS, include NULL
TagType_Artist TagType = 315 // ASCII
TagType_HostComputer TagType = 316 // ASCII
TagType_Predictor TagType = 317 // SHORT, 1, # Default=1
_ = 0 //
TagValue_PredictorType_None TagValue_PredictorType = 1 //
TagValue_PredictorType_Horizontal TagValue_PredictorType = 2 //
_ = 0 //
TagType_WhitePoint TagType = 318 // RATIONAL, 2
TagType_PrimaryChromaticities TagType = 319 // RATIONAL, 6
TagType_ColorMap TagType = 320 // SHORT, *, # 3*(2**BitPerSample)
TagType_HalftoneHints TagType = 321 // SHORT, 2
TagType_TileWidth TagType = 322 // SHORT/LONG, 1
TagType_TileLength TagType = 323 // SHORT/LONG, 1
TagType_TileOffsets TagType = 324 // LONG/LONG8, *, # TilesPerImage
TagType_TileByteCounts TagType = 325 // SHORT/LONG, *, # TilesPerImage
TagType_BadFaxLines TagType = 326 // ingore # Used in the TIFF-F standard, denotes the number of 'bad' scan lines encountered by the facsimile device.
TagType_CleanFaxData TagType = 327 // ingore # Used in the TIFF-F standard, indicates if 'bad' lines encountered during reception are stored in the data, or if 'bad' lines have been replaced by the receiver.
TagType_ConsecutiveBadFaxLines TagType = 328 // ingore # Used in the TIFF-F standard, denotes the maximum number of consecutive 'bad' scanlines received.
TagType_SubIFD TagType = 330 // IFD, * # IFD pointer
TagType_InkSet TagType = 332 // SHORT, 1, # Default=1
TagType_InkNames TagType = 333 // ASCII
TagType_NumberOfInks TagType = 334 // SHORT, 1, # Default=4
TagType_DotRange TagType = 336 // BYTE/SHORT, # Default=[0,2^BitsPerSample-1]
TagType_TargetPrinter TagType = 337 // ASCII
TagType_ExtraSamples TagType = 338 // BYTE, 1,
TagType_SampleFormat TagType = 339 // SHORT, *, # SamplesPerPixel. Default=1
_ = 0 //
TagValue_SampleFormatType_Uint TagValue_SampleFormatType = 1 //
TagValue_SampleFormatType_TwoInt TagValue_SampleFormatType = 2 //
TagValue_SampleFormatType_Float TagValue_SampleFormatType = 3 //
TagValue_SampleFormatType_Undefined TagValue_SampleFormatType = 4 //
_ = 0 //
TagType_SMinSampleValue TagType = 340 // *, *, # SamplesPerPixel, try double
TagType_SMaxSampleValue TagType = 341 // *, *, # SamplesPerPixel, try double
TagType_TransferRange TagType = 342 // SHORT, 6,
TagType_ClipPath TagType = 343 // ingore # Mirrors the essentials of PostScript's path creation functionality.
TagType_XClipPathUnits TagType = 344 // ingore # The number of units that span the width of the image, in terms of integer ClipPath coordinates.
TagType_YClipPathUnits TagType = 345 // ingore # The number of units that span the height of the image, in terms of integer ClipPath coordinates.
TagType_Indexed TagType = 346 // ingore # Aims to broaden the support for indexed images to include support for any color space.
TagType_JPEGTables TagType = 347 // ingore # JPEG quantization and/or Huffman tables.
TagType_OPIProxy TagType = 351 // ingore # OPI-related.
TagType_GlobalParametersIFD TagType = 400 // ingore # Used in the TIFF-FX standard to point to an IFD containing tags that are globally applicable to the complete TIFF file.
TagType_ProfileType TagType = 401 // ingore # Used in the TIFF-FX standard, denotes the type of data stored in this file or IFD.
TagType_FaxProfile TagType = 402 // ingore # Used in the TIFF-FX standard, denotes the 'profile' that applies to this file.
TagType_CodingMethods TagType = 403 // ingore # Used in the TIFF-FX standard, indicates which coding methods are used in the file.
TagType_VersionYear TagType = 404 // ingore # Used in the TIFF-FX standard, denotes the year of the standard specified by the FaxProfile field.
TagType_ModeNumber TagType = 405 // ingore # Used in the TIFF-FX standard, denotes the mode of the standard specified by the FaxProfile field.
TagType_Decode TagType = 433 // ingore # Used in the TIFF-F and TIFF-FX standards, holds information about the ITULAB (PhotometricInterpretation = 10) encoding.
TagType_DefaultImageColor TagType = 434 // ingore # Defined in the Mixed Raster Content part of RFC 2301, is the default color needed in areas where no image is available.
TagType_JPEGProc TagType = 512 // SHORT, 1,
TagType_JPEGInterchangeFormat TagType = 513 // LONG, 1,
TagType_JPEGInterchangeFormatLength TagType = 514 // LONG, 1,
TagType_JPEGRestartInterval TagType = 515 // SHORT, 1,
TagType_JPEGLosslessPredictors TagType = 517 // SHORT, *, # SamplesPerPixel
TagType_JPEGPointTransforms TagType = 518 // SHORT, *, # SamplesPerPixel
TagType_JPEGQTables TagType = 519 // LONG, *, # SamplesPerPixel
TagType_JPEGDCTables TagType = 520 // LONG, *, # SamplesPerPixel
TagType_JPEGACTables TagType = 521 // LONG, *, # SamplesPerPixel
TagType_YCbCrCoefficients TagType = 529 // RATIONAL, 3
TagType_YCbCrSubSampling TagType = 530 // SHORT, 2, # Default=[2,2]
TagType_YCbCrPositioning TagType = 531 // SHORT, 1, # Default=1
TagType_ReferenceBlackWhite TagType = 532 // LONG , *, # 2*SamplesPerPixel
TagType_StripRowCounts TagType = 559 // ingore # Defined in the Mixed Raster Content part of RFC 2301, used to replace RowsPerStrip for IFDs with variable-sized strips.
TagType_XMP TagType = 700 // ingore # XML packet containing XMP metadata
TagType_ImageID TagType = 32781 // ingore # OPI-related.
TagType_ImageLayer TagType = 34732 // ingore # Defined in the Mixed Raster Content part of RFC 2301, used to denote the particular function of this Image in the mixed raster scheme.
TagType_Copyright TagType = 33432 // ASCII
TagType_WangAnnotation TagType = 32932 // ingore # Annotation data, as used in 'Imaging for Windows'.
TagType_MDFileTag TagType = 33445 // ingore # Specifies the pixel data format encoding in the Molecular Dynamics GEL file format.
TagType_MDScalePixel TagType = 33446 // ingore # Specifies a scale factor in the Molecular Dynamics GEL file format.
TagType_MDColorTable TagType = 33447 // ingore # Used to specify the conversion from 16bit to 8bit in the Molecular Dynamics GEL file format.
TagType_MDLabName TagType = 33448 // ingore # Name of the lab that scanned this file, as used in the Molecular Dynamics GEL file format.
TagType_MDSampleInfo TagType = 33449 // ingore # Information about the sample, as used in the Molecular Dynamics GEL file format.
TagType_MDPrepDate TagType = 33450 // ingore # Date the sample was prepared, as used in the Molecular Dynamics GEL file format.
TagType_MDPrepTime TagType = 33451 // ingore # Time the sample was prepared, as used in the Molecular Dynamics GEL file format.
TagType_MDFileUnits TagType = 33452 // ingore # Units for data in this file, as used in the Molecular Dynamics GEL file format.
TagType_ModelPixelScaleTag TagType = 33550 // DOUBLE # Used in interchangeable GeoTIFF files.
TagType_IPTC TagType = 33723 // ingore # IPTC (International Press Telecommunications Council) metadata.
TagType_INGRPacketDataTag TagType = 33918 // ingore # Intergraph Application specific storage.
TagType_INGRFlagRegisters TagType = 33919 // ingore # Intergraph Application specific flags.
TagType_IrasBTransformationMatrix TagType = 33920 // DOUBLE, 17 # Originally part of Intergraph's GeoTIFF tags, but likely understood by IrasB only.
TagType_ModelTiepointTag TagType = 33922 // DOUBLE # Originally part of Intergraph's GeoTIFF tags, but now used in interchangeable GeoTIFF files.
TagType_ModelTransformationTag TagType = 34264 // DOUBLE, 16 # Used in interchangeable GeoTIFF files.
TagType_Photoshop TagType = 34377 // ingore # Collection of Photoshop 'Image Resource Blocks'.
TagType_ExifIFD TagType = 34665 // IFD # A pointer to the Exif IFD.
TagType_ICCProfile TagType = 34675 // ingore # ICC profile data.
TagType_GeoKeyDirectoryTag TagType = 34735 // SHORT, *, # >= 4
TagType_GeoDoubleParamsTag TagType = 34736 // DOUBLE
TagType_GeoAsciiParamsTag TagType = 34737 // ASCII
TagType_GPSIFD TagType = 34853 // IFD # A pointer to the Exif-related GPS Info IFD.
TagType_HylaFAXFaxRecvParams TagType = 34908 // ingore # Used by HylaFAX.
TagType_HylaFAXFaxSubAddress TagType = 34909 // ingore # Used by HylaFAX.
TagType_HylaFAXFaxRecvTime TagType = 34910 // ingore # Used by HylaFAX.
TagType_ImageSourceData TagType = 37724 // ingore # Used by Adobe Photoshop.
TagType_InteroperabilityIFD TagType = 40965 // IFD # A pointer to the Exif-related Interoperability IFD.
TagType_GDAL_METADATA TagType = 42112 // ingore # Used by the GDAL library, holds an XML list of name=value 'metadata' values about the image as a whole, and about specific samples.
TagType_GDAL_NODATA TagType = 42113 // ingore # Used by the GDAL library, contains an ASCII encoded nodata or background pixel value.
TagType_OceScanjobDescription TagType = 50215 // ingore # Used in the Oce scanning process.
TagType_OceApplicationSelector TagType = 50216 // ingore # Used in the Oce scanning process.
TagType_OceIdentificationNumber TagType = 50217 // ingore # Used in the Oce scanning process.
TagType_OceImageLogicCharacteristics TagType = 50218 // ingore # Used in the Oce scanning process.
TagType_DNGVersion TagType = 50706 // ingore # Used in IFD 0 of DNG files.
TagType_DNGBackwardVersion TagType = 50707 // ingore # Used in IFD 0 of DNG files.
TagType_UniqueCameraModel TagType = 50708 // ingore # Used in IFD 0 of DNG files.
TagType_LocalizedCameraModel TagType = 50709 // ingore # Used in IFD 0 of DNG files.
TagType_CFAPlaneColor TagType = 50710 // ingore # Used in Raw IFD of DNG files.
TagType_CFALayout TagType = 50711 // ingore # Used in Raw IFD of DNG files.
TagType_LinearizationTable TagType = 50712 // ingore # Used in Raw IFD of DNG files.
TagType_BlackLevelRepeatDim TagType = 50713 // ingore # Used in Raw IFD of DNG files.
TagType_BlackLevel TagType = 50714 // ingore # Used in Raw IFD of DNG files.
TagType_BlackLevelDeltaH TagType = 50715 // ingore # Used in Raw IFD of DNG files.
TagType_BlackLevelDeltaV TagType = 50716 // ingore # Used in Raw IFD of DNG files.
TagType_WhiteLevel TagType = 50717 // ingore # Used in Raw IFD of DNG files.
TagType_DefaultScale TagType = 50718 // ingore # Used in Raw IFD of DNG files.
TagType_DefaultCropOrigin TagType = 50719 // ingore # Used in Raw IFD of DNG files.
TagType_DefaultCropSize TagType = 50720 // ingore # Used in Raw IFD of DNG files.
TagType_ColorMatrix1 TagType = 50721 // ingore # Used in IFD 0 of DNG files.
TagType_ColorMatrix2 TagType = 50722 // ingore # Used in IFD 0 of DNG files.
TagType_CameraCalibration1 TagType = 50723 // ingore # Used in IFD 0 of DNG files.
TagType_CameraCalibration2 TagType = 50724 // ingore # Used in IFD 0 of DNG files.
TagType_ReductionMatrix1 TagType = 50725 // ingore # Used in IFD 0 of DNG files.
TagType_ReductionMatrix2 TagType = 50726 // ingore # Used in IFD 0 of DNG files.
TagType_AnalogBalance TagType = 50727 // ingore # Used in IFD 0 of DNG files.
TagType_AsShotNeutral TagType = 50728 // ingore # Used in IFD 0 of DNG files.
TagType_AsShotWhiteXY TagType = 50729 // ingore # Used in IFD 0 of DNG files.
TagType_BaselineExposure TagType = 50730 // ingore # Used in IFD 0 of DNG files.
TagType_BaselineNoise TagType = 50731 // ingore # Used in IFD 0 of DNG files.
TagType_BaselineSharpness TagType = 50732 // ingore # Used in IFD 0 of DNG files.
TagType_BayerGreenSplit TagType = 50733 // ingore # Used in Raw IFD of DNG files.
TagType_LinearResponseLimit TagType = 50734 // ingore # Used in IFD 0 of DNG files.
TagType_CameraSerialNumber TagType = 50735 // ingore # Used in IFD 0 of DNG files.
TagType_LensInfo TagType = 50736 // ingore # Used in IFD 0 of DNG files.
TagType_ChromaBlurRadius TagType = 50737 // ingore # Used in Raw IFD of DNG files.
TagType_AntiAliasStrength TagType = 50738 // ingore # Used in Raw IFD of DNG files.
TagType_DNGPrivateData TagType = 50740 // ingore # Used in IFD 0 of DNG files.
TagType_MakerNoteSafety TagType = 50741 // ingore # Used in IFD 0 of DNG files.
TagType_CalibrationIlluminant1 TagType = 50778 // ingore # Used in IFD 0 of DNG files.
TagType_CalibrationIlluminant2 TagType = 50779 // ingore # Used in IFD 0 of DNG files.
TagType_BestQualityScale TagType = 50780 // ingore # Used in Raw IFD of DNG files.
TagType_AliasLayerMetadata TagType = 50784 // ingore # Alias Sketchbook Pro layer usage description.
_ = 0 //
)
// EXIF Tags
type ExifIFD_TagType TagType
const (
ExifIFD_TagType_ExposureTime ExifIFD_TagType = 33434 // ingore # Exposure time, given in seconds.
ExifIFD_TagType_FNumber ExifIFD_TagType = 33437 // ingore # The F number.
ExifIFD_TagType_ExposureProgram ExifIFD_TagType = 34850 // ingore # The class of the program used by the camera to set exposure when the picture is taken.
ExifIFD_TagType_SpectralSensitivity ExifIFD_TagType = 34852 // ingore # Indicates the spectral sensitivity of each channel of the camera used.
ExifIFD_TagType_ISOSpeedRatings ExifIFD_TagType = 34855 // ingore # Indicates the ISO Speed and ISO Latitude of the camera or input device as specified in ISO 12232.
ExifIFD_TagType_OECF ExifIFD_TagType = 34856 // ingore # Indicates the Opto-Electric Conversion Function (OECF) specified in ISO 14524.
ExifIFD_TagType_ExifVersion ExifIFD_TagType = 36864 // ingore # The version of the supported Exif standard.
ExifIFD_TagType_DateTimeOriginal ExifIFD_TagType = 36867 // ingore # The date and time when the original image data was generated.
ExifIFD_TagType_DateTimeDigitized ExifIFD_TagType = 36868 // ingore # The date and time when the image was stored as digital data.
ExifIFD_TagType_ComponentsConfiguration ExifIFD_TagType = 37121 // ingore # Specific to compressed data; specifies the channels and complements PhotometricInterpretation
ExifIFD_TagType_CompressedBitsPerPixel ExifIFD_TagType = 37122 // ingore # Specific to compressed data; states the compressed bits per pixel.
ExifIFD_TagType_ShutterSpeedValue ExifIFD_TagType = 37377 // ingore # Shutter speed.
ExifIFD_TagType_ApertureValue ExifIFD_TagType = 37378 // ingore # The lens aperture.
ExifIFD_TagType_BrightnessValue ExifIFD_TagType = 37379 // ingore # The value of brightness.
ExifIFD_TagType_ExposureBiasValue ExifIFD_TagType = 37380 // ingore # The exposure bias.
ExifIFD_TagType_MaxApertureValue ExifIFD_TagType = 37381 // ingore # The smallest F number of the lens.
ExifIFD_TagType_SubjectDistance ExifIFD_TagType = 37382 // ingore # The distance to the subject, given in meters.
ExifIFD_TagType_MeteringMode ExifIFD_TagType = 37383 // ingore # The metering mode.
ExifIFD_TagType_LightSource ExifIFD_TagType = 37384 // ingore # The kind of light source.
ExifIFD_TagType_Flash ExifIFD_TagType = 37385 // ingore # Indicates the status of flash when the image was shot.
ExifIFD_TagType_FocalLength ExifIFD_TagType = 37386 // ingore # The actual focal length of the lens, in mm.
ExifIFD_TagType_SubjectArea ExifIFD_TagType = 37396 // ingore # Indicates the location and area of the main subject in the overall scene.
ExifIFD_TagType_MakerNote ExifIFD_TagType = 37500 // ingore # Manufacturer specific information.
ExifIFD_TagType_UserComment ExifIFD_TagType = 37510 // ingore # Keywords or comments on the image; complements ImageDescription.
ExifIFD_TagType_SubsecTime ExifIFD_TagType = 37520 // ingore # A tag used to record fractions of seconds for the DateTime tag.
ExifIFD_TagType_SubsecTimeOriginal ExifIFD_TagType = 37521 // ingore # A tag used to record fractions of seconds for the DateTimeOriginal tag.
ExifIFD_TagType_SubsecTimeDigitized ExifIFD_TagType = 37522 // ingore # A tag used to record fractions of seconds for the DateTimeDigitized tag.
ExifIFD_TagType_FlashpixVersion ExifIFD_TagType = 40960 // ingore # The Flashpix format version supported by a FPXR file.
ExifIFD_TagType_ColorSpace ExifIFD_TagType = 40961 // ingore # The color space information tag is always recorded as the color space specifier.
ExifIFD_TagType_PixelXDimension ExifIFD_TagType = 40962 // ingore # Specific to compressed data; the valid width of the meaningful image.
ExifIFD_TagType_PixelYDimension ExifIFD_TagType = 40963 // ingore # Specific to compressed data; the valid height of the meaningful image.
ExifIFD_TagType_RelatedSoundFile ExifIFD_TagType = 40964 // ingore # Used to record the name of an audio file related to the image data.
ExifIFD_TagType_FlashEnergy ExifIFD_TagType = 41483 // ingore # Indicates the strobe energy at the time the image is captured, as measured in Beam Candle Power Seconds
ExifIFD_TagType_SpatialFrequencyResponse ExifIFD_TagType = 41484 // ingore # Records the camera or input device spatial frequency table and SFR values in the direction of image width, image height, and diagonal direction, as specified in ISO 12233.
ExifIFD_TagType_FocalPlaneXResolution ExifIFD_TagType = 41486 // ingore # Indicates the number of pixels in the image width (X) direction per FocalPlaneResolutionUnit on the camera focal plane.
ExifIFD_TagType_FocalPlaneYResolution ExifIFD_TagType = 41487 // ingore # Indicates the number of pixels in the image height (Y) direction per FocalPlaneResolutionUnit on the camera focal plane.
ExifIFD_TagType_FocalPlaneResolutionUnit ExifIFD_TagType = 41488 // ingore # Indicates the unit for measuring FocalPlaneXResolution and FocalPlaneYResolution.
ExifIFD_TagType_SubjectLocation ExifIFD_TagType = 41492 // ingore # Indicates the location of the main subject in the scene.
ExifIFD_TagType_ExposureIndex ExifIFD_TagType = 41493 // ingore # Indicates the exposure index selected on the camera or input device at the time the image is captured.
ExifIFD_TagType_SensingMethod ExifIFD_TagType = 41495 // ingore # Indicates the image sensor type on the camera or input device.
ExifIFD_TagType_FileSource ExifIFD_TagType = 41728 // ingore # Indicates the image source.
ExifIFD_TagType_SceneType ExifIFD_TagType = 41729 // ingore # Indicates the type of scene.
ExifIFD_TagType_CFAPattern ExifIFD_TagType = 41730 // ingore # Indicates the color filter array (CFA) geometric pattern of the image sensor when a one-chip color area sensor is used.
ExifIFD_TagType_CustomRendered ExifIFD_TagType = 41985 // ingore # Indicates the use of special processing on image data, such as rendering geared to output.
ExifIFD_TagType_ExposureMode ExifIFD_TagType = 41986 // ingore # Indicates the exposure mode set when the image was shot.
ExifIFD_TagType_WhiteBalance ExifIFD_TagType = 41987 // ingore # Indicates the white balance mode set when the image was shot.
ExifIFD_TagType_DigitalZoomRatio ExifIFD_TagType = 41988 // ingore # Indicates the digital zoom ratio when the image was shot.
ExifIFD_TagType_FocalLengthIn35mmFilm ExifIFD_TagType = 41989 // ingore # Indicates the equivalent focal length assuming a 35mm film camera, in mm.
ExifIFD_TagType_SceneCaptureType ExifIFD_TagType = 41990 // ingore # Indicates the type of scene that was shot.
ExifIFD_TagType_GainControl ExifIFD_TagType = 41991 // ingore # Indicates the degree of overall image gain adjustment.
ExifIFD_TagType_Contrast ExifIFD_TagType = 41992 // ingore # Indicates the direction of contrast processing applied by the camera when the image was shot.
ExifIFD_TagType_Saturation ExifIFD_TagType = 41993 // ingore # Indicates the direction of saturation processing applied by the camera when the image was shot.
ExifIFD_TagType_Sharpness ExifIFD_TagType = 41994 // ingore # Indicates the direction of sharpness processing applied by the camera when the image was shot.
ExifIFD_TagType_DeviceSettingDescription ExifIFD_TagType = 41995 // ingore # This tag indicates information on the picture-taking conditions of a particular camera model.
ExifIFD_TagType_SubjectDistanceRange ExifIFD_TagType = 41996 // ingore # Indicates the distance to the subject.
ExifIFD_TagType_ImageUniqueID ExifIFD_TagType = 42016 // ingore # Indicates an identifier assigned uniquely to each image.
)
// GPS Tags
type GPSIFD_TagType TagType
const (
GPSIFD_TagType_GPSVersionID GPSIFD_TagType = 0 // ingore # Indicates the version of GPSInfoIFD.
GPSIFD_TagType_GPSLatitudeRef GPSIFD_TagType = 1 // ingore # Indicates whether the latitude is north or south latitude.
GPSIFD_TagType_GPSLatitude GPSIFD_TagType = 2 // ingore # Indicates the latitude.
GPSIFD_TagType_GPSLongitudeRef GPSIFD_TagType = 3 // ingore # Indicates whether the longitude is east or west longitude.
GPSIFD_TagType_GPSLongitude GPSIFD_TagType = 4 // ingore # Indicates the longitude.
GPSIFD_TagType_GPSAltitudeRef GPSIFD_TagType = 5 // ingore # Indicates the altitude used as the reference altitude.
GPSIFD_TagType_GPSAltitude GPSIFD_TagType = 6 // ingore # Indicates the altitude based on the reference in GPSAltitudeRef.
GPSIFD_TagType_GPSTimeStamp GPSIFD_TagType = 7 // ingore # Indicates the time as UTC (Coordinated Universal Time).
GPSIFD_TagType_GPSSatellites GPSIFD_TagType = 8 // ingore # Indicates the GPS satellites used for measurements.
GPSIFD_TagType_GPSStatus GPSIFD_TagType = 9 // ingore # Indicates the status of the GPS receiver when the image is recorded.
GPSIFD_TagType_GPSMeasureMode GPSIFD_TagType = 10 // ingore # Indicates the GPS measurement mode.
GPSIFD_TagType_GPSDOP GPSIFD_TagType = 11 // ingore # Indicates the GPS DOP (data degree of precision).
GPSIFD_TagType_GPSSpeedRef GPSIFD_TagType = 12 // ingore # Indicates the unit used to express the GPS receiver speed of movement.
GPSIFD_TagType_GPSSpeed GPSIFD_TagType = 13 // ingore # Indicates the speed of GPS receiver movement.
GPSIFD_TagType_GPSTrackRef GPSIFD_TagType = 14 // ingore # Indicates the reference for giving the direction of GPS receiver movement.
GPSIFD_TagType_GPSTrack GPSIFD_TagType = 15 // ingore # Indicates the direction of GPS receiver movement.
GPSIFD_TagType_GPSImgDirectionRef GPSIFD_TagType = 16 // ingore # Indicates the reference for giving the direction of the image when it is captured.
GPSIFD_TagType_GPSImgDirection GPSIFD_TagType = 17 // ingore # Indicates the direction of the image when it was captured.
GPSIFD_TagType_GPSMapDatum GPSIFD_TagType = 18 // ingore # Indicates the geodetic survey data used by the GPS receiver.
GPSIFD_TagType_GPSDestLatitudeRef GPSIFD_TagType = 19 // ingore # Indicates whether the latitude of the destination point is north or south latitude.
GPSIFD_TagType_GPSDestLatitude GPSIFD_TagType = 20 // ingore # Indicates the latitude of the destination point.
GPSIFD_TagType_GPSDestLongitudeRef GPSIFD_TagType = 21 // ingore # Indicates whether the longitude of the destination point is east or west longitude.
GPSIFD_TagType_GPSDestLongitude GPSIFD_TagType = 22 // ingore # Indicates the longitude of the destination point.
GPSIFD_TagType_GPSDestBearingRef GPSIFD_TagType = 23 // ingore # Indicates the reference used for giving the bearing to the destination point.
GPSIFD_TagType_GPSDestBearing GPSIFD_TagType = 24 // ingore # Indicates the bearing to the destination point.
GPSIFD_TagType_GPSDestDistanceRef GPSIFD_TagType = 25 // ingore # Indicates the unit used to express the distance to the destination point.
GPSIFD_TagType_GPSDestDistance GPSIFD_TagType = 26 // ingore # Indicates the distance to the destination point.
GPSIFD_TagType_GPSProcessingMethod GPSIFD_TagType = 27 // ingore # A character string recording the name of the method used for location finding.
GPSIFD_TagType_GPSAreaInformation GPSIFD_TagType = 28 // ingore # A character string recording the name of the GPS area.
GPSIFD_TagType_GPSDateStamp GPSIFD_TagType = 29 // ingore # A character string recording date and time information relative to UTC (Coordinated Universal Time).
GPSIFD_TagType_GPSDifferential GPSIFD_TagType = 30 // ingore # Indicates whether differential correction is applied to the GPS receiver.
)
// Interoperability Tags
type InteroperabilityIFD_TagType TagType
const (
InteroperabilityIFD_TagType_InteroperabilityIndex InteroperabilityIFD_TagType = 1 // ingore # Indicates the identification of the Interoperability rule.
)