### Struct

# Gegl MetadataMap

#### Description [src]

    struct GeglMetadataMap {
      const gchar* local_name;
      const gchar* name;
      GValueTransform transform;
    }

Struct to describe how a metadata variable is mapped from the name used by the image file module to the name used by Gegl. An optional transform function may be specified, e.g. to transform from a `GDatetime` to a string.

###### Structure members

`local_name:` `const gchar*`

  Name of metadata variable used in the file module.

`name:` `const gchar*`

  Standard metadata variable name used by Gegl.

`transform:` `GValueTransform`

  Optional `GValue` transform function.