Struct Shape

pub struct Shape { /* private fields */ }

An msdfgen shape. Can be used to generate an SDF or Psuedo-SDF. Must be colored first using a coloring function to generate a MSDF or MTSDF.

Implementations

impl Shape

pub fn color_edges_simple(self, angle: f64) -> ColoredShape

Assigns colors to edges of the shape in accordance to the multi-channel distance field technique. May split some edges if necessary. angle specifies the maximum angle (in radians) to be considered a corner, for example 3 (~172 degrees). Values below 1/2 PI will be treated as the external angle.

pub fn color_edges_ink_trap(self, angle: f64) -> ColoredShape

The alternative “ink trap” coloring strategy is designed for better results with typefaces that use ink traps as a design feature. It guarantees that even if all edges that are shorter than both their neighboring edges are removed, the coloring remains consistent with the established rules.

pub fn color_edges_by_distance(self, angle: f64) -> ColoredShape

The alternative coloring by distance tries to use different colors for edges that are close together. This should theoretically be the best strategy on average. However, since it needs to compute the distance between all pairs of edges, and perform a graph optimization task, it is much slower than the rest.

pub fn generate_sdf( &self, width: u32, height: u32, range: f64, projection: &Projection, config: &SDFConfig, ) -> SDF

Generates a conventional single-channel signed distance field.

pub fn generate_psuedo_sdf( &self, width: u32, height: u32, range: f64, projection: &Projection, config: &SDFConfig, ) -> SDF

Generates a single-channel signed pseudo-distance field.