func tagFormatString(tag *tiff.Tag) string {
switch tag.Format() {
case tiff.IntVal:
return "int"
case tiff.RatVal:
return "rat"
case tiff.FloatVal:
return "float"
case tiff.StringVal:
return "string"
}
return ""
}
func tagDegrees(tag *tiff.Tag) float64 {
return ratFloat(tag.Rat2(0)) + ratFloat(tag.Rat2(1))/60 + ratFloat(tag.Rat2(2))/3600
}
func (_ Walker) Walk(name exif.FieldName, tag *tiff.Tag) error {
data, _ := tag.MarshalJSON()
fmt.Printf("%v: %v\n", name, string(data))
return nil
}
