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-rw-r--r--gnu/packages/ocr.scm55
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)))