MetadataStore

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Object Hierarchy:

Description:

Content:

Properties:

• public string artist { get; set; }
  Name of image creator.
• public string comment { get; set; }
  Miscellaneous comment; conversion from GIF comment.
• public string copyright { get; set; }
  Copyright notice.
• public string description { get; set; }
  Description of image (possibly long).
• public string disclaimer { get; set; }
  Legal disclaimer.
• public string file_module_name { get; }
  Current file loader/saver module name.
• public ResolutionUnit resolution_unit { get; set; }
  A ResolutionUnit specifying units for the image resolution (density).
• public double resolution_x { get; set; }
  X resolution or density in dots per unit.
• public double resolution_y { get; set; }
  Y resolution or density in dots per unit.
• public string software { get; set; }
  Software used to create the image.
• public string source { get; set; }
  Device used to create the image.
• public DateTime timestamp { owned get; set; }
  Time of original image creation.
• public string title { get; set; }
  Short (one line) title or caption for image.
• public string warning { get; set; }
  Warning of nature of content.

Creation methods:

• protected MetadataStore ()

Methods:

• public virtual void _declare (ParamSpec pspec, bool shadow)
  The _declare virtual method creates a metadata variable in the underlying data store.
• public virtual unowned Value? _get_value (string name)
  Return a pointer to a Value with the value of the metadata variable or null if not declared or the variable does not contain a valid value.
• public void declare (ParamSpec pspec)
  Declare a metadata value using a ParamSpec.
• public unowned string get_artist ()
  Get name of image creator.
• public unowned string get_comment ()
  Get the comment.
• public unowned string get_copyright ()
  Get the copyright notice.
• public unowned string get_description ()
  Get description of image.
• public unowned string get_disclaimer ()
  Get the legal disclaimer.
• public unowned string get_file_module_name ()
  Return the name registered by the current file module.
• public ResolutionUnit get_resolution_unit ()
  Get the units used for resolution.
• public double get_resolution_x ()
  Get the X resolution or density in dots per unit.
• public double get_resolution_y ()
  Get the Y resolution or density in dots per unit.
• public unowned string get_software ()
  Get software used to create the image.
• public unowned string get_source ()
  Get device used to create the image.
• public unowned string get_string (string name)
  A slightly more efficient version of get_value for string values avoiding a duplication.
• public DateTime get_timestamp ()
  Get time of original image creation.
• public unowned string get_title ()
  Get title or caption for image.
• public void get_value (string name, ref Value value)
  Retrieve the metadata value.
• public unowned string get_warning ()
  Get warning.
• public virtual bool has_value (string name)
  Test whether the MetadataStore contains a value for the specified name.
• public void notify (ParamSpec pspec, bool shadow)
  notify is called by subclasses when the value of a metadata variable changes.
• public void register (string local_name, string name, ValueTransform transform)
• public virtual void register_hook (string file_module_name, uint flags)
  This method is called after a file loader or saver registers a MetadataMap and before any further processing takes place.
• public void set_artist (string artist)
  Set name of image creator.
• public void set_comment (string comment)
  Set the miscellaneous comment; conversion from GIF comment.
• public void set_copyright (string copyright)
  Set the copyright notice.
• public void set_description (string description)
  Set description of image.
• public void set_disclaimer (string disclaimer)
  Set the legal disclaimer.
• public void set_resolution_unit (ResolutionUnit unit)
  Set the units used for the resolution (density) values.
• public void set_resolution_x (double resolution_x)
  Set the X resolution or density in dots per unit.
• public void set_resolution_y (double resolution_y)
  Set the Y resolution or density in dots per unit.
• public void set_software (string software)
  Set software used to create the image.
• public void set_source (string source)
  Set device used to create the image.
• public void set_string (string name, string string)
  A slightly more efficient version of set_value for string values avoiding a duplication.
• public void set_timestamp (DateTime timestamp)
  Set time of original image creation.
• public void set_title (string title)
  Set title or caption for image.
• public virtual void set_value (string name, Value value)
  Set the specified metadata value.
• public void set_warning (string warning)
  Set the warning of nature of content.
• public Type typeof_value (string name)
  Get the declared type of the value in the MetadataStore.

Signals:

• public signal void changed (ParamSpec pspec)
  `changed` is emitted when a metadata value is changed.
• public signal bool generate_value (ParamSpec pspec, ref Value value)
  If a signal handler is connected to ` generate_value` a signal is emitted when the file module accesses a value using gegl_metadata_get_value.
• public signal void mapped (string file_module, bool exclude_unmapped)
  `mapped` is emitted after a file module registers a mapping and before other processing takes place.
• public signal bool parse_value (ParamSpec pspec, ref Value value)
  If a signal handler is connected to `parse_value ` a signal is emitted when the file module accesses a value using gegl_metadata_set_value.
• public signal void unmapped (string file_module, string local_name)
  `unmapped` is emitted when a file module tries to look up an unmapped metadata name.

Inherited Members: