Struct Image 

pub struct Image<'a> { /* private fields */ }

A one-bit picture: height rows of stride bytes, a byte’s highest bit its left pixel, a set bit white; and optionally a mask of the same shape, a set bit where the picture is drawn (the Playdate’s own bitmap layout). Without a mask every pixel is drawn.

Its source size is the size of the image a sprite names (ImageTable), whose pixels the sprite’s src counts in. It is the picture’s own size unless the picture was enlarged before it was dithered (shuyi_assets::bitmap): then each source pixel covers several of the picture’s.

Implementations

impl<'a> Image<'a>

pub fn new( width: u16, height: u16, data: &'a [u8], mask: Option<&'a [u8]>, ) -> Option<Self>

The picture, its source size its own, or None if data (or mask) is too short for it.

pub fn from_bitmap(bitmap: &Bitmap<'a>, style: usize) -> Option<Self>

Style style of one-bit picture file bitmap, with its mask and source size, or None if it has no such style.

pub fn with_source(self, width: u16, height: u16) -> Self

The same picture standing for an image width × height pixels (its source size); a side of 0 is left as it was.

pub const fn stride(width: u16) -> usize

Bytes per row of a picture width pixels wide.

Trait Implementations

impl<'a> Clone for Image<'a>

fn clone(&self) -> Image<'a>

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<'a> Copy for Image<'a>

impl<'a> Debug for Image<'a>

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

Formats the value using the given formatter.

impl<'a> Eq for Image<'a>

impl<'a> PartialEq for Image<'a>

fn eq(&self, other: &Image<'a>) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl<'a> StructuralPartialEq for Image<'a>