getDescription
public java.lang.String getDescription(int tagType)
Returns a descriptive value of the specified tag for this image.
Where possible, known values will be substituted here in place of the raw
tokens actually kept in the metadata segment. If no substitution is
available, the value provided by getString(tagType)
will be returned.
- Overrides:
getDescription
in class TagDescriptor<WebpDirectory>
- Parameters:
tagType
- the tag to find a description for
- Returns:
- a description of the image's value for the specified tag, or
null
if the tag hasn't been defined.