metadata

type Core struct {
	Contributor []string
	Coverage    string
	Creator     []string
	Date        []time.Time
	Description []LanguageAlternative
	Format      string // this is the mime type
	Identifier  string
	Language    []string // Really locales
	Publisher   []string
	Relation    []string
	Rights      []LanguageAlternative
	Source      string
	Subject     []string
	Title       []LanguageAlternative
	Type        []string
}

type EXIF struct {
	ImageWidth                uint32         // 256
	ImageHeight               uint32         // 257
	BitsPerSample             [3]uint16      // 258
	Compression               uint16         // 259
	PhotometricInterpretation uint16         // 262
	Orientation               uint16         // 274
	SamplesPerPixel           uint16         // 277
	PlanarConfiguration       uint16         // 284
	YCbCrSubsampling          [2]uint16      // 530
	YCbCrPositioning          uint16         // 531
	XResolution               Rational       // 282
	YResolution               Rational       // 283
	ResolutionUnit            uint16         // 296
	TransferFunction          [3][256]uint16 // 301
	WhitePoint                [2]Rational    // 318
	PrimaryChromaticities     [6]Rational    // 319
	YCbCrCoefficient          [3]Rational    // 529
	ReferenceBlackWhite       [6]Rational    // 532
	DateTime                  *time.Time     // 306
	ImageDescription          string         // 270
	Make                      string         // 271
	Model                     string         // 272
	Software                  string         // 305
	Artist                    string         // 315
	Copyright                 string         // 33432

}

type GUID string

type ICC struct {
	CMMTypeSignature                 uint32
	ProfileVersion                   ProfileVersion
	ProfileClassSignature            uint32
	ColorSpace                       uint32
	ProfileConnectionSpace           uint32
	ProfileCreationTime              time.Time
	PrimaryPlatformSignature         uint32
	CMMFlags                         uint32
	DeviceManufacturer               uint32
	DeviceModel                      uint32
	DeviceAttributes                 uint32
	RenderingIntent                  uint32
	ProfileConnectionSpaceIlluminant XYZNumber
	ProfileCreatorSignature          uint32
}

type LanguageAlternative struct {
	Language string
	Text     string
}

type ProfileVersion struct {
	// Major holds a BCD encoded major version number.
	Major uint8
	// Minor holds a BCD encoded minor and patch number. The first digit
	// is the minor version while the second is the patch level.
	Minor uint8
}

type Rational struct {
	Numerator   uint32
	Denomenator uint32
}

type RenditionClass string

type ResourceRef string

type Response16 struct {
	// Interval holds the interval value
	Interval uint16
	// Measurement holds the measurement value.
	Measurement S15Fixed16
}

type S15Fixed16 struct {
	Integer  int16
	Fraction uint16
}

type U16Fixed16 struct {
	Integer  uint16
	Fraction uint16
}

type U8Fixed8 struct {
	// Integer holds the unsigned 8 bit integer portion of the number.
	Integer uint8
	// Fraction holds the 8 bit fractional portion of the number.
	Fraction uint8
}

type XMP struct {
	CoreProperties  *Core
	Properties      *XMPSpecific
	Rights          *XMPRights
	MediaManagement *XMPMediaManagement
	IDQ             *XMPIDQ
}

type XMPIDQ struct {
	Scheme string
}

type XMPMediaManagement struct {
	DerivedFrom        ResourceRef
	DocumentID         GUID
	InstanceID         GUID
	OriginalDocumentID GUID
	RenditionClass     RenditionClass
	RenditionParams    string
}

type XMPRights struct {
	Certificate  string
	Marked       *bool
	Owner        []string
	UsageTerms   []LanguageAlternative
	WebStatement string
}

type XMPSpecific struct {
	CreateDate   *time.Time
	CreatorTool  string
	Identifier   []string
	Label        string
	MetadataData *time.Time
	ModifiedDate *time.Time
	Rating       float64
}

type XYZNumber struct {
	X S15Fixed16
	Y S15Fixed16
	Z S15Fixed16
}