harn-stdlib 0.7.58

Embedded Harn standard library source catalog
Documentation 
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/**
 * std/vision — deterministic OCR helpers built on the runtime's vision builtins.
 *
 * Import with: import "std/vision"
 */
type VisionBox = {left: int, top: int, width: int, height: int}

type VisionToken = {
  page: int,
  block: int,
  paragraph: int,
  line: int,
  word: int,
  text: string,
  normalized: string,
  char_start: int,
  char_end: int,
  confidence: float?,
  bbox: VisionBox,
}

type VisionLine = {
  page: int,
  block: int,
  paragraph: int,
  line: int,
  text: string,
  token_start: int,
  token_count: int,
  char_start: int,
  char_end: int,
  confidence: float?,
  bbox: VisionBox,
}

type VisionBlock = {
  page: int,
  block: int,
  text: string,
  token_start: int,
  token_count: int,
  line_start: int,
  line_count: int,
  char_start: int,
  char_end: int,
  confidence: float?,
  bbox: VisionBox,
}

type VisionSource = {
  kind: string,
  path: string?,
  name: string?,
  mime_type: string,
  byte_len: int,
  sha256: string,
}

type StructuredText = {
  _type: "structured_text",
  text: string,
  blocks: list<VisionBlock>,
  lines: list<VisionLine>,
  tokens: list<VisionToken>,
  source: VisionSource,
  backend: {name: string},
  stats: {token_count: int, line_count: int, block_count: int},
}

pub fn ocr(image, options = nil) -> StructuredText {
  return vision_ocr(image, options)
}