diff options
Diffstat (limited to 'gnu')
| -rw-r--r-- | gnu/packages/ocr.scm | 55 |
1 files changed, 51 insertions, 4 deletions
diff --git a/gnu/packages/ocr.scm b/gnu/packages/ocr.scm index 8408b43367..32da42b95f 100644 --- a/gnu/packages/ocr.scm +++ b/gnu/packages/ocr.scm @@ -17,12 +17,14 @@ ;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>. (define-module (gnu packages ocr) - #:use-module (guix licenses) + #:use-module ((guix licenses) #:prefix license:) #:use-module (guix packages) #:use-module (guix download) #:use-module (guix build-system gnu) - #:use-module ((gnu packages compression) - #:select (lzip))) + #:use-module (gnu packages autotools) + #:use-module (gnu packages compression) + #:use-module (gnu packages image) + #:use-module (gnu packages pkg-config)) (define-public ocrad (package @@ -43,4 +45,49 @@ "GNU Ocrad is an optical character recognition program based on a feature extraction method. It can read images in PBM, PGM or PPM formats and it produces text in 8-bit or UTF-8 formats.") - (license gpl3+))) + (license license:gpl3+))) + +(define-public tesseract-ocr + (package + (name "tesseract-ocr") + (version "3.02.02") + (source + (origin + (method url-fetch) + (uri (string-append + "https://tesseract-ocr.googlecode.com/files/tesseract-ocr-" + version ".tar.gz")) + (sha256 + (base32 "0g81m9y4iydp7kgr56mlkvjdwpp3mb01q385yhdnyvra7z5kkk96")) + (modules '((guix build utils))) + ;; Leptonica added a pkg-config file in the meanwhile. + (snippet + '(substitute* "tesseract.pc.in" + (("^# Requires: lept ## .*") + "Requires: lept\n"))))) + (build-system gnu-build-system) + (native-inputs + `(("autoconf" ,autoconf) + ("automake" ,automake) + ("libtool" ,libtool))) + (propagated-inputs + `(("leptonica" ,leptonica))) + (arguments + '(#:phases + (modify-phases %standard-phases + (add-after + unpack autogen + (lambda _ + (zero? (system* "sh" "autogen.sh"))))) + #:configure-flags + (let ((leptonica (assoc-ref %build-inputs "leptonica"))) + (list (string-append "LIBLEPT_HEADERSDIR=" leptonica "/include"))))) + (home-page "https://code.google.com/p/tesseract-ocr/") + (synopsis "Optical character recognition engine") + (description + "Tesseract is an optical character recognition (OCR) engine with very +high accuracy. It supports many languages, output text formatting, hOCR +positional information and page layout analysis. Several image formats are +supported through the Leptonica library. It can also detect whether text is +monospaced or proportional.") + (license license:asl2.0))) |