Struct coffee::graphics::Canvas

pub struct Canvas { /* fields omitted */ }

An off-screen rendering target.

It can be used both as a Target and as a resource.

Methods

impl Canvas

pub fn new(gpu: &mut Gpu, width: u16, height: u16) -> Result<Canvas>

Creates a new Canvas with the given size.

pub fn load(width: u16, height: u16) -> Task<Canvas>

Creates a Task that produces a new Canvas with the given size.

pub fn width(&self) -> u16

Returns the width of the Canvas.

pub fn height(&self) -> u16

Returns the height of the Canvas.

pub fn as_target<'a>(&'a mut self, gpu: &'a mut Gpu) -> Target<'a>

Views the Canvas as a Target.

pub fn draw<Q: IntoQuad>(&self, quad: Q, target: &mut Target)

Renders the Canvas on the given Target.

pub fn read_pixels(&self, gpu: &mut Gpu) -> DynamicImage

Reads the pixels of the Canvas.

Note: This is a very slow operation.

Trait Implementations

impl Clone for Canvas

fn clone(&self) -> Canvas

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for Canvas

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

Formats the value using the given formatter.