Struct truster::canvas::Canvas

pub struct Canvas { /* fields omitted */ }

A 2D image. See the module’s documentation for more information.

Implementations

impl Canvas

pub fn new(width: usize, height: usize) -> Self

Creates a new canvas with the given width and height. The new canvas is entirely black.

pub fn width(&self) -> usize

Returns self’s width, that is the number of columns in the image.

pub fn height(&self) -> usize

Returns self’s height, that is the number of rows in the image.

pub fn to_ppm(&self, file: &mut dyn Write) -> Result<(), Error>

Writes self to file in PPM format. See the module’s documentation for an example.

Trait Implementations

impl Index<[usize; 2]> for Canvas

type Output = Color

The returned type after indexing.

fn index(&self, index: [usize; 2]) -> &Self::Output

Performs the indexing (container[index]) operation.

impl IndexMut<[usize; 2]> for Canvas

fn index_mut(&mut self, index: [usize; 2]) -> &mut Self::Output

Performs the mutable indexing (container[index]) operation.