Trait gegl::prelude::MetadataExt

pub trait MetadataExt: IsA<Metadata> + Sealed + 'static {
    // Provided methods
    fn set_resolution(&self, unit: ResolutionUnit, x: f32, y: f32) -> bool { ... }
    fn unregister_map(&self) { ... }
}

Trait containing all Metadata methods.

Implementors

MetadataHash, MetadataStore, Metadata

Provided Methods

fn set_resolution(&self, unit: ResolutionUnit, x: f32, y: f32) -> bool

Set resolution retrieved from image file’s metadata. Intended for use by the image file reader. If resolution is not supported by the application or if the operation fails false is returned and the values are ignored.

unit

Specify ResolutionUnit

x

X resolution

y

Y resolution

Returns

true if successful.

fn unregister_map(&self)

Unregister the file module mappings and any further mappings added or modified by the application. This should be called after the file module completes operations.

Implementors

impl<O: IsA<Metadata>> MetadataExt for O