vyaz-monorepo / renderers/src / charAtPoint

Function: charAtPoint()

charAtPoint(lines, px, py): CharPos | null

Defined in: renderers/src/interactive.ts:129

Find the character position nearest to the given pixel coordinates.

Uses a two-pass approach:

1. Find the nearest line by Y distance (closest baseline).
2. Within that line, find the nearest character by X distance (using glyph advances or fallback uniform widths).

Returns null if lines is empty.

Parameters

lines

Line[]

px

number

py

number

Returns

CharPos | null