Struct VersionedImage

pub struct VersionedImage { /* private fields */ }

Image with a log of applied ImageCommands.

Implementations

impl VersionedImage

pub fn new() -> Self

Makes a new VersionedImage instance.

pub fn version(&self) -> Version

Gets the current version of this image.

pub fn get_pixel(&self, point: Point) -> Option<Color>

Gets the color of the pixel at the given point.

pub fn range_pixels<R>( &self, range: R, ) -> impl '_ + Iterator<Item = (Point, Color)>

where R: RangeBounds<Point>,

Gets an iterator over the pixels in the given range.

pub fn pixels(&self) -> &BTreeMap<Point, Color>

Gets the all pixels in this image.

pub fn anchors(&self) -> &BTreeMap<String, Point>

Gets the all anchors in this image.

pub fn metadata(&self) -> &BTreeMap<String, Value>

Gets the all metadata in this image.

pub fn apply(&mut self, command: &ImageCommand) -> bool

Applies the given command to this image.

Returns true if the image is changed, otherwise false. If the command is applied, it is appended to the log.

pub fn applied_commands(&self, since: Version) -> &[ImageCommand]

Gets the applied commands since the given version.

pub fn diff(&self, version: Version) -> Option<PatchImageCommand>

Calculates the diff between the current image and the image at the given version.

Trait Implementations

impl Clone for VersionedImage

fn clone(&self) -> VersionedImage

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for VersionedImage

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for VersionedImage

fn default() -> VersionedImage

Returns the “default value” for a type.