Struct Image 

pub struct Image {
    pub width: usize,
    pub height: usize,
    pub channels: usize,
    pub data: Vec<u8>,
}

一张 8 位图：灰度（1 通道）或 RGB（3 通道），按行存放、无行间填充。

Fields

width: usize

height: usize

channels: usize

data: Vec<u8>

Implementations

impl Image

pub fn at(&self, x: usize, y: usize, c: usize) -> u8

取 (x, y) 处第 c 个通道；灰度图三个通道都返回同一个值。

Trait Implementations

impl Clone for Image

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Image

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

Formats the value using the given formatter.