Gly.Image.get_metadata_key_value

### Method

# Gly Imageget_metadata_key_value

since: 2.0

#### Declaration [src]

    gchar*
    gly_image_get_metadata_key_value (
      GlyImage* image,
      const gchar* key
    )

#### Description [src]

Get metadata that are stored as key-value pairs. A prominent example are PNG’s `tEXt` and `zTXt` chunks.

Note

In contrast to gdk-pixbuf’s option feature, the keys do not carry prefixes like `tEXt::` or `zTXt::`.

Available since: 2.0

#### Parameters

`key`

  Type: `const gchar*`

  A null-terminated string.

  The data is owned by the caller of the method.
  The value is a NUL terminated UTF-8 string.

#### Return value

Type: `gchar*`

The UTF-8 encoded value associated with `key`.

The caller of the method takes ownership of the returned data, and is responsible for freeing it.
The return value can be `NULL`.
The value is a NUL terminated UTF-8 string.