95 lines
2.1 KiB
Go
95 lines
2.1 KiB
Go
package meta
|
|
|
|
import (
|
|
"fmt"
|
|
"os"
|
|
"time"
|
|
|
|
"gopkg.in/ugjka/go-tz.v2/tz"
|
|
|
|
_ "trimmer.io/go-xmp/models"
|
|
model "trimmer.io/go-xmp/models/exif"
|
|
"trimmer.io/go-xmp/xmp"
|
|
)
|
|
|
|
// XMP parses an XMP file and returns a Data struct.
|
|
func XMP(filename string) (data Data, err error) {
|
|
defer func() {
|
|
if e := recover(); e != nil {
|
|
data = Data{}
|
|
err = fmt.Errorf("meta: %s", e)
|
|
}
|
|
}()
|
|
|
|
data.xmpDoc = xmp.NewDocument()
|
|
data.exifInfo = &model.ExifInfo{}
|
|
data.exifEx = &model.ExifEXInfo{}
|
|
data.exifAux = &model.ExifAuxInfo{}
|
|
|
|
f, err := os.Open(filename)
|
|
|
|
if err != nil {
|
|
return data, err
|
|
}
|
|
|
|
defer f.Close()
|
|
|
|
dec := xmp.NewDecoder(f)
|
|
|
|
if err := dec.Decode(data.xmpDoc); err != nil {
|
|
return data, err
|
|
}
|
|
|
|
if err := data.exifInfo.SyncFromXMP(data.xmpDoc); err != nil {
|
|
return data, err
|
|
}
|
|
|
|
if err := data.exifEx.SyncFromXMP(data.xmpDoc); err != nil {
|
|
return data, err
|
|
}
|
|
|
|
if err := data.exifAux.SyncFromXMP(data.xmpDoc); err != nil {
|
|
return data, err
|
|
}
|
|
|
|
data.Artist = data.exifInfo.Artist
|
|
data.Copyright = data.exifInfo.Copyright
|
|
data.TakenAtLocal = data.exifInfo.DateTime.Value()
|
|
data.Description = data.exifInfo.ImageDescription
|
|
data.Height = data.exifInfo.ImageLength
|
|
data.Width = data.exifInfo.ImageWidth
|
|
data.CameraMake = data.exifInfo.Make
|
|
data.CameraModel = data.exifInfo.Model
|
|
data.LensModel = data.exifAux.Lens
|
|
data.Orientation = int(data.exifInfo.Orientation)
|
|
data.Lat = 0 //data.exifInfo.GPSLatitudeCoord.Value()
|
|
data.Lng = 0 //data.exifInfo.GPSLongitudeCoord.Value()
|
|
data.Altitude = int(data.exifInfo.GPSAltitude.Value())
|
|
data.TimeZone = "UTC"
|
|
|
|
if data.Lat != 0 && data.Lng != 0 {
|
|
if zones, err := tz.GetZone(tz.Point{
|
|
Lat: data.Lat,
|
|
Lon: data.Lng,
|
|
}); err == nil {
|
|
data.TimeZone = zones[0]
|
|
}
|
|
}
|
|
|
|
loc, err := time.LoadLocation(data.TimeZone)
|
|
|
|
if err != nil {
|
|
data.TakenAt = data.TakenAtLocal
|
|
log.Warnf("meta: no location for timezone (%s)", err.Error())
|
|
} else {
|
|
data.TakenAtLocal.In(loc)
|
|
data.TakenAt = data.TakenAtLocal.UTC()
|
|
}
|
|
|
|
return data, nil
|
|
}
|
|
|
|
// TODO: Needs to be implemented
|
|
func (d *Data) SaveAsXMP(filename string) error {
|
|
return nil
|
|
}
|