diff options
Diffstat (limited to 'vendor/github.com/rwcarlsen/goexif/exif/fields.go')
| -rw-r--r-- | vendor/github.com/rwcarlsen/goexif/exif/fields.go | 293 |
1 files changed, 293 insertions, 0 deletions
diff --git a/vendor/github.com/rwcarlsen/goexif/exif/fields.go b/vendor/github.com/rwcarlsen/goexif/exif/fields.go new file mode 100644 index 000000000..0388d2390 --- /dev/null +++ b/vendor/github.com/rwcarlsen/goexif/exif/fields.go @@ -0,0 +1,293 @@ +package exif + +type FieldName string + +// UnknownPrefix is used as the first part of field names for decoded tags for +// which there is no known/supported EXIF field. +const UnknownPrefix = "UnknownTag_" + +// Primary EXIF fields +const ( + ImageWidth FieldName = "ImageWidth" + ImageLength = "ImageLength" // Image height called Length by EXIF spec + BitsPerSample = "BitsPerSample" + Compression = "Compression" + PhotometricInterpretation = "PhotometricInterpretation" + Orientation = "Orientation" + SamplesPerPixel = "SamplesPerPixel" + PlanarConfiguration = "PlanarConfiguration" + YCbCrSubSampling = "YCbCrSubSampling" + YCbCrPositioning = "YCbCrPositioning" + XResolution = "XResolution" + YResolution = "YResolution" + ResolutionUnit = "ResolutionUnit" + DateTime = "DateTime" + ImageDescription = "ImageDescription" + Make = "Make" + Model = "Model" + Software = "Software" + Artist = "Artist" + Copyright = "Copyright" + ExifIFDPointer = "ExifIFDPointer" + GPSInfoIFDPointer = "GPSInfoIFDPointer" + InteroperabilityIFDPointer = "InteroperabilityIFDPointer" + ExifVersion = "ExifVersion" + FlashpixVersion = "FlashpixVersion" + ColorSpace = "ColorSpace" + ComponentsConfiguration = "ComponentsConfiguration" + CompressedBitsPerPixel = "CompressedBitsPerPixel" + PixelXDimension = "PixelXDimension" + PixelYDimension = "PixelYDimension" + MakerNote = "MakerNote" + UserComment = "UserComment" + RelatedSoundFile = "RelatedSoundFile" + DateTimeOriginal = "DateTimeOriginal" + DateTimeDigitized = "DateTimeDigitized" + SubSecTime = "SubSecTime" + SubSecTimeOriginal = "SubSecTimeOriginal" + SubSecTimeDigitized = "SubSecTimeDigitized" + ImageUniqueID = "ImageUniqueID" + ExposureTime = "ExposureTime" + FNumber = "FNumber" + ExposureProgram = "ExposureProgram" + SpectralSensitivity = "SpectralSensitivity" + ISOSpeedRatings = "ISOSpeedRatings" + OECF = "OECF" + ShutterSpeedValue = "ShutterSpeedValue" + ApertureValue = "ApertureValue" + BrightnessValue = "BrightnessValue" + ExposureBiasValue = "ExposureBiasValue" + MaxApertureValue = "MaxApertureValue" + SubjectDistance = "SubjectDistance" + MeteringMode = "MeteringMode" + LightSource = "LightSource" + Flash = "Flash" + FocalLength = "FocalLength" + SubjectArea = "SubjectArea" + FlashEnergy = "FlashEnergy" + SpatialFrequencyResponse = "SpatialFrequencyResponse" + FocalPlaneXResolution = "FocalPlaneXResolution" + FocalPlaneYResolution = "FocalPlaneYResolution" + FocalPlaneResolutionUnit = "FocalPlaneResolutionUnit" + SubjectLocation = "SubjectLocation" + ExposureIndex = "ExposureIndex" + SensingMethod = "SensingMethod" + FileSource = "FileSource" + SceneType = "SceneType" + CFAPattern = "CFAPattern" + CustomRendered = "CustomRendered" + ExposureMode = "ExposureMode" + WhiteBalance = "WhiteBalance" + DigitalZoomRatio = "DigitalZoomRatio" + FocalLengthIn35mmFilm = "FocalLengthIn35mmFilm" + SceneCaptureType = "SceneCaptureType" + GainControl = "GainControl" + Contrast = "Contrast" + Saturation = "Saturation" + Sharpness = "Sharpness" + DeviceSettingDescription = "DeviceSettingDescription" + SubjectDistanceRange = "SubjectDistanceRange" + LensMake = "LensMake" + LensModel = "LensModel" +) + +// thumbnail fields +const ( + ThumbJPEGInterchangeFormat = "ThumbJPEGInterchangeFormat" // offset to thumb jpeg SOI + ThumbJPEGInterchangeFormatLength = "ThumbJPEGInterchangeFormatLength" // byte length of thumb +) + +// GPS fields +const ( + GPSVersionID FieldName = "GPSVersionID" + GPSLatitudeRef = "GPSLatitudeRef" + GPSLatitude = "GPSLatitude" + GPSLongitudeRef = "GPSLongitudeRef" + GPSLongitude = "GPSLongitude" + GPSAltitudeRef = "GPSAltitudeRef" + GPSAltitude = "GPSAltitude" + GPSTimeStamp = "GPSTimeStamp" + GPSSatelites = "GPSSatelites" + GPSStatus = "GPSStatus" + GPSMeasureMode = "GPSMeasureMode" + GPSDOP = "GPSDOP" + GPSSpeedRef = "GPSSpeedRef" + GPSSpeed = "GPSSpeed" + GPSTrackRef = "GPSTrackRef" + GPSTrack = "GPSTrack" + GPSImgDirectionRef = "GPSImgDirectionRef" + GPSImgDirection = "GPSImgDirection" + GPSMapDatum = "GPSMapDatum" + GPSDestLatitudeRef = "GPSDestLatitudeRef" + GPSDestLatitude = "GPSDestLatitude" + GPSDestLongitudeRef = "GPSDestLongitudeRef" + GPSDestLongitude = "GPSDestLongitude" + GPSDestBearingRef = "GPSDestBearingRef" + GPSDestBearing = "GPSDestBearing" + GPSDestDistanceRef = "GPSDestDistanceRef" + GPSDestDistance = "GPSDestDistance" + GPSProcessingMethod = "GPSProcessingMethod" + GPSAreaInformation = "GPSAreaInformation" + GPSDateStamp = "GPSDateStamp" + GPSDifferential = "GPSDifferential" +) + +// interoperability fields +const ( + InteroperabilityIndex FieldName = "InteroperabilityIndex" +) + +var exifFields = map[uint16]FieldName{ + ///////////////////////////////////// + ////////// IFD 0 //////////////////// + ///////////////////////////////////// + + // image data structure for the thumbnail + 0x0100: ImageWidth, + 0x0101: ImageLength, + 0x0102: BitsPerSample, + 0x0103: Compression, + 0x0106: PhotometricInterpretation, + 0x0112: Orientation, + 0x0115: SamplesPerPixel, + 0x011C: PlanarConfiguration, + 0x0212: YCbCrSubSampling, + 0x0213: YCbCrPositioning, + 0x011A: XResolution, + 0x011B: YResolution, + 0x0128: ResolutionUnit, + + // Other tags + 0x0132: DateTime, + 0x010E: ImageDescription, + 0x010F: Make, + 0x0110: Model, + 0x0131: Software, + 0x013B: Artist, + 0x8298: Copyright, + + // private tags + exifPointer: ExifIFDPointer, + + ///////////////////////////////////// + ////////// Exif sub IFD ///////////// + ///////////////////////////////////// + + gpsPointer: GPSInfoIFDPointer, + interopPointer: InteroperabilityIFDPointer, + + 0x9000: ExifVersion, + 0xA000: FlashpixVersion, + + 0xA001: ColorSpace, + + 0x9101: ComponentsConfiguration, + 0x9102: CompressedBitsPerPixel, + 0xA002: PixelXDimension, + 0xA003: PixelYDimension, + + 0x927C: MakerNote, + 0x9286: UserComment, + + 0xA004: RelatedSoundFile, + 0x9003: DateTimeOriginal, + 0x9004: DateTimeDigitized, + 0x9290: SubSecTime, + 0x9291: SubSecTimeOriginal, + 0x9292: SubSecTimeDigitized, + + 0xA420: ImageUniqueID, + + // picture conditions + 0x829A: ExposureTime, + 0x829D: FNumber, + 0x8822: ExposureProgram, + 0x8824: SpectralSensitivity, + 0x8827: ISOSpeedRatings, + 0x8828: OECF, + 0x9201: ShutterSpeedValue, + 0x9202: ApertureValue, + 0x9203: BrightnessValue, + 0x9204: ExposureBiasValue, + 0x9205: MaxApertureValue, + 0x9206: SubjectDistance, + 0x9207: MeteringMode, + 0x9208: LightSource, + 0x9209: Flash, + 0x920A: FocalLength, + 0x9214: SubjectArea, + 0xA20B: FlashEnergy, + 0xA20C: SpatialFrequencyResponse, + 0xA20E: FocalPlaneXResolution, + 0xA20F: FocalPlaneYResolution, + 0xA210: FocalPlaneResolutionUnit, + 0xA214: SubjectLocation, + 0xA215: ExposureIndex, + 0xA217: SensingMethod, + 0xA300: FileSource, + 0xA301: SceneType, + 0xA302: CFAPattern, + 0xA401: CustomRendered, + 0xA402: ExposureMode, + 0xA403: WhiteBalance, + 0xA404: DigitalZoomRatio, + 0xA405: FocalLengthIn35mmFilm, + 0xA406: SceneCaptureType, + 0xA407: GainControl, + 0xA408: Contrast, + 0xA409: Saturation, + 0xA40A: Sharpness, + 0xA40B: DeviceSettingDescription, + 0xA40C: SubjectDistanceRange, + 0xA433: LensMake, + 0xA434: LensModel, +} + +var gpsFields = map[uint16]FieldName{ + ///////////////////////////////////// + //// GPS sub-IFD //////////////////// + ///////////////////////////////////// + 0x0: GPSVersionID, + 0x1: GPSLatitudeRef, + 0x2: GPSLatitude, + 0x3: GPSLongitudeRef, + 0x4: GPSLongitude, + 0x5: GPSAltitudeRef, + 0x6: GPSAltitude, + 0x7: GPSTimeStamp, + 0x8: GPSSatelites, + 0x9: GPSStatus, + 0xA: GPSMeasureMode, + 0xB: GPSDOP, + 0xC: GPSSpeedRef, + 0xD: GPSSpeed, + 0xE: GPSTrackRef, + 0xF: GPSTrack, + 0x10: GPSImgDirectionRef, + 0x11: GPSImgDirection, + 0x12: GPSMapDatum, + 0x13: GPSDestLatitudeRef, + 0x14: GPSDestLatitude, + 0x15: GPSDestLongitudeRef, + 0x16: GPSDestLongitude, + 0x17: GPSDestBearingRef, + 0x18: GPSDestBearing, + 0x19: GPSDestDistanceRef, + 0x1A: GPSDestDistance, + 0x1B: GPSProcessingMethod, + 0x1C: GPSAreaInformation, + 0x1D: GPSDateStamp, + 0x1E: GPSDifferential, +} + +var interopFields = map[uint16]FieldName{ + ///////////////////////////////////// + //// Interoperability sub-IFD /////// + ///////////////////////////////////// + 0x1: InteroperabilityIndex, +} + +var thumbnailFields = map[uint16]FieldName{ + 0x0201: ThumbJPEGInterchangeFormat, + 0x0202: ThumbJPEGInterchangeFormatLength, +} |