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Add typescript declaration file
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declare namespace Tesseract { | ||
class TesseractWorker { | ||
recognize(image: ImageLike, lang: string, options?: Partial<RecognizeOptions>): TesseractJob; | ||
detect(image: ImageLike): TesseractJob; | ||
} | ||
interface RecognizeOptions { | ||
tessedit_ocr_engine_mode: OEM | ||
tessedit_pageseg_mode: PSM | ||
tessedit_char_whiltelist: string | ||
tessjs_create_pdf: string | ||
tessjs_create_hocr: string | ||
tessjs_create_tsv: string | ||
tessjs_create_box: string | ||
tessjs_create_unlv: string | ||
tessjs_create_osd: string | ||
tessjs_textonly_pdf: string | ||
tessjs_pdf_name: string | ||
tessjs_pdf_title: string | ||
tessjs_pdf_auto_download: boolean | ||
tessjs_pdf_bin: boolean | ||
tessjs_image_rectangle_left: number | ||
tessjs_image_rectangle_top: number | ||
tessjs_image_rectangle_width: number | ||
tessjs_image_rectangle_height: number | ||
} | ||
const enum OEM { | ||
TESSERACT_ONLY, | ||
LSTM_ONLY, | ||
TESSERACT_LSTM_COMBINED, | ||
DEFAULT, | ||
} | ||
const enum PSM { | ||
OSD_ONLY = '0', | ||
AUTO_OSD = '1', | ||
AUTO_ONLY = '2', | ||
AUTO = '3', | ||
SINGLE_COLUMN = '4', | ||
SINGLE_BLOCK_VERT_TEXT = '5', | ||
SINGLE_BLOCK = '6', | ||
SINGLE_LINE = '7', | ||
SINGLE_WORD = '8', | ||
SINGLE_CHAR = '9', | ||
SPARSE_TEXT = '10', | ||
SPARSE_TEXT_OSD = '11', | ||
RAW_LINE = '12' | ||
} | ||
type ImageLike = string | HTMLImageElement | HTMLCanvasElement | HTMLVideoElement | ||
| CanvasRenderingContext2D | File | Blob | ImageData | Buffer; | ||
interface Progress { | ||
status: string; | ||
progress: number; | ||
loaded?: number; | ||
} | ||
interface Block { | ||
paragraphs: Paragraph; | ||
text: string; | ||
confidence: number; | ||
baseline: Baseline; | ||
bbox: Bbox; | ||
blocktype: string; | ||
polygon: any; | ||
page: Page; | ||
lines: Line[]; | ||
words: Word[]; | ||
symbols: Symbol[]; | ||
} | ||
interface Baseline { | ||
x0: number; | ||
y0: number; | ||
x1: number; | ||
y1: number; | ||
has_baseline: boolean; | ||
} | ||
interface Bbox { | ||
x0: number; | ||
y0: number; | ||
x1: number; | ||
y1: number; | ||
} | ||
interface Line { | ||
words: Word[]; | ||
text: string; | ||
confidence: number; | ||
baseline: Baseline; | ||
bbox: Bbox; | ||
paragraph: Paragraph; | ||
block: Block; | ||
page: Page; | ||
symbols: Symbol[]; | ||
} | ||
interface Paragraph { | ||
lines: Line[]; | ||
text: string; | ||
confidence: number; | ||
baseline: Baseline; | ||
bbox: Bbox; | ||
is_ltr: boolean; | ||
block: Block; | ||
page: Page; | ||
words: Word[]; | ||
symbols: Symbol[]; | ||
} | ||
interface Symbol { | ||
choices: Choice[]; | ||
image: any; | ||
text: string; | ||
confidence: number; | ||
baseline: Baseline; | ||
bbox: Bbox; | ||
is_superscript: boolean; | ||
is_subscript: boolean; | ||
is_dropcap: boolean; | ||
word: Word; | ||
line: Line; | ||
paragraph: Paragraph; | ||
block: Block; | ||
page: Page; | ||
} | ||
interface Choice { | ||
text: string; | ||
confidence: number; | ||
} | ||
interface Word { | ||
symbols: Symbol[]; | ||
choices: Choice[]; | ||
text: string; | ||
confidence: number; | ||
baseline: Baseline; | ||
bbox: Bbox; | ||
is_numeric: boolean; | ||
in_dictionary: boolean; | ||
direction: string; | ||
language: string; | ||
is_bold: boolean; | ||
is_italic: boolean; | ||
is_underlined: boolean; | ||
is_monospace: boolean; | ||
is_serif: boolean; | ||
is_smallcaps: boolean; | ||
font_size: number; | ||
font_id: number; | ||
font_name: string; | ||
line: Line; | ||
paragraph: Paragraph; | ||
block: Block; | ||
page: Page; | ||
} | ||
interface Page { | ||
blocks: Block[]; | ||
confidence: number; | ||
html: string; | ||
lines: Line[]; | ||
oem: string; | ||
paragraphs: Paragraph[]; | ||
psm: string; | ||
symbols: Symbol[]; | ||
text: string; | ||
version: string; | ||
words: Word[]; | ||
} | ||
interface TesseractJob { | ||
then: (callback: (result: Page) => void) => TesseractJob; | ||
progress: (callback: (progress: Progress) => void) => TesseractJob; | ||
catch: (callback: (error: Error) => void) => TesseractJob; | ||
finally: (callback: (resultOrError: Error | Page) => void) => TesseractJob; | ||
} | ||
} | ||
|
||
export = Tesseract; | ||
export as namespace Tesseract; |