Struct ShapeRasterizer

pub struct ShapeRasterizer {
    cache: HashMap<(u64, u32, u32, u32), Arc<Frame>>,
    cov: Vec<f32>,
    path: Path,
    edges: Vec<Edge>,
    active: Vec<usize>,
    xs: Vec<(f32, i32)>,
    outline: Vec<[f32; 2]>,
}

Fields

cache: HashMap<(u64, u32, u32, u32), Arc<Frame>>

cov: Vec<f32>

Scratch: one coverage buffer, one polygon soup, one edge table, one outline.

path: Path

edges: Vec<Edge>

active: Vec<usize>

xs: Vec<(f32, i32)>

outline: Vec<[f32; 2]>

Implementations

impl ShapeRasterizer

pub fn new() -> Self

pub fn size(style: &ShapeStyle, t: f64) -> (f32, f32)

Layer size in project px for a style at clip-local time t (before scale).

pub fn render(&mut self, style: &ShapeStyle, scale: f32, t: f64) -> Arc<Frame>

Rasterise at scale (canvas px per project px) for clip-local time t.

fn rasterize( &mut self, style: &ShapeStyle, s: f32, t: f64, lw: u32, lh: u32, bucket: u32, ) -> Frame

fn flush(&mut self, out: &mut Frame, color: [u8; 4])

Rasterise the current path into the scratch coverage buffer and composite color over out.

Trait Implementations

impl Default for ShapeRasterizer

fn default() -> ShapeRasterizer

Returns the “default value” for a type.