Struct footile::Mask

pub struct Mask { /* fields omitted */ }

A Mask is an 8-bit alpha image mask.

Methods

impl Mask

fn new(width: u32, height: u32) -> Mask

Create a new mask

• width Width in pixels.
• height Height in pixels.

fn width(&self) -> u32

Get the width in pixels

fn height(&self) -> u32

Get the height in pixels

fn reset(&mut self)

Reset the mask (clear all pixels)

fn write_pgm(&self, filename: &str) -> Result<()>

Write the mask to a PGM (portable gray map) file

• filename Name of file to write.