Struct GrowResult 

pub struct GrowResult {
    pub labelled: HashMap<(i32, i32), usize>,
    pub by_corner: HashMap<usize, (i32, i32)>,
    pub ambiguous: HashSet<(i32, i32)>,
    pub holes: HashSet<(i32, i32)>,
    pub axis_i: Vector2<f32>,
    pub axis_j: Vector2<f32>,
    pub rebase_i_mod2: i32,
    pub rebase_j_mod2: i32,
}

Outcome of a grow pass.

Fields

labelled: HashMap<(i32, i32), usize>

(i, j) → corner_index map of accepted labels. Rebased so the bounding-box minimum is (0, 0).

by_corner: HashMap<usize, (i32, i32)>

Inverse map.

ambiguous: HashSet<(i32, i32)>

Positions with ≥ 2 candidates inside the ambiguity window.

holes: HashSet<(i32, i32)>

Positions with no accepted candidate.

axis_i: Vector2<f32>

Grid i-axis vector (pixels per cell) carried forward — overlays and boosters use it.

axis_j: Vector2<f32>

Grid j-axis vector (pixels per cell) carried forward — overlays and boosters use it.

rebase_i_mod2: i32

Mod-2 i component of the coordinate shift removed by the final rebase.

bfs_grow walks in seed-local coordinates, then subtracts the labelled bounding-box minimum so output coordinates start at (0, 0). Callers with an alternating label rule can add these mod-2 components back when evaluating labels in post-rebase coordinates. Callers without an alternating rule can ignore these fields.

rebase_j_mod2: i32

See Self::rebase_i_mod2.

Trait Implementations

impl Debug for GrowResult

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

Formats the value using the given formatter.

impl Default for GrowResult

fn default() -> GrowResult

Returns the “default value” for a type.