metadata

type GPSInfo struct {
	// Latitude and Longitude are the geographical location.
	// Positive latitude means north, positive longitude means east.
	Latitude  float64
	Longitude float64

	// Time is time of the GPS fix. Zero means undefined.
	Time time.Time
}

type Metadata struct {
	// Date of original image (eg. scanned photo)
	DateTimeOriginal Time

	// Original file creation date (eg. time of scan)
	DateTimeCreated Time

	// GPS records GPS information.
	GPS struct {
		GPSInfo

		// Valid indicates if Latitude and Longitude
		// fields of GPSInfo are valid.
		Valid bool
	}

	// Orientation is the Exif orientation.
	// Possible values are based on the exif spec:
	//   0: undefined
	//   1: no rotation
	//   2: flip horizontal
	//   3: rotate 180°
	//   4: flip vertical
	//   5: transpose
	//   6: rotate 90°
	//   7: transverse
	//   8: rotate 270°
	Orientation int

	// Rating is the XMP rating. Possible values are:
	//  -1: rejected
	//   0: unrated or missing
	//   1..5: user rating
	Rating int

	// Recording equipment manufacturer and model name/number name
	Make, Model string

	// Attr holds metadata attributes as strings.
	Attr map[string]string
}

type Time struct {
	// Actual time value.
	// Its location is always time.Local if HasLoc is false.
	time.Time

	// Prec records the number of valid components of the parsed
	// value between 1 (year) and 7 (subsecond).
	// A Time with Prec == 0 is invalid.
	Prec int

	// HasLoc records whether the parsed value included a time zone.
	HasLoc bool
}