svg_path/congruency
Directional congruency checks for path geometry.
Values
pub fn path(
source source: svg_path.Path,
target target: svg_path.Path,
tolerance tolerance: Float,
) -> Result(transform.Matrix, Nil)Find a translation, rotation, and uniform scale mapping one path to another path.
Path subpaths must match in order. Each subpath comparison ignores the
subpath closed field, and no cycling or alternate starting segment is
attempted.
pub fn points(
source source: List(vec2.Vec2(Float)),
target target: List(vec2.Vec2(Float)),
tolerance tolerance: Float,
) -> Result(transform.Matrix, Nil)Find a translation, rotation, and uniform scale mapping one ordered point list to another.
Empty lists and lists with different lengths return Error(Nil). A
one-point source list uses a translation. For two or more source points, the
candidate transform is built from a triple-sweep source point pair and the
target points at the corresponding positions, then every mapped source point
is checked against the corresponding target point.
pub fn segment(
source source: svg_path.Segment,
target target: svg_path.Segment,
tolerance tolerance: Float,
) -> Result(transform.Matrix, Nil)Find a translation, rotation, and uniform scale mapping one segment to another segment of the same constructor.
This is a directional, tolerance-based check. Ok(transform) means the
returned transform maps source to target within tolerance under this
module’s semantic segment comparison. Error(Nil) means no such transform
was found.
pub fn subpath(
source source: svg_path.Subpath,
target target: svg_path.Subpath,
tolerance tolerance: Float,
) -> Result(transform.Matrix, Nil)Find a translation, rotation, and uniform scale mapping one subpath to another subpath.
The subpath closed field is ignored. Segment constructors must match in
order; no cycling or alternate starting segment is attempted.