37 lines
1.1 KiB
Ruby
37 lines
1.1 KiB
Ruby
require 'formula'
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class TesseractEnglishData <Formula
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url 'http://tesseract-ocr.googlecode.com/files/tesseract-2.00.eng.tar.gz'
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md5 'b8291d6b3a63ce7879d688e845e341a9'
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version '2.00'
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end
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class Tesseract <Formula
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url 'http://tesseract-ocr.googlecode.com/files/tesseract-2.04.tar.gz'
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homepage 'http://code.google.com/p/tesseract-ocr/'
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md5 'b44eba1a9f4892ac62e484c807fe0533'
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depends_on 'libtiff'
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def install
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fails_with_llvm "Executable 'tesseract' segfaults on 10.6 when compiled with llvm-gcc", :build => "2206"
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# 'make install' expects the language data files in the build directory
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d = Dir.getwd
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TesseractEnglishData.new.brew { cp Dir["*"], "#{d}/tessdata/" }
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system "./configure", "--prefix=#{prefix}", "--disable-debug", "--disable-dependency-tracking"
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system "make install"
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end
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def caveats; <<-EOF.undent
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Tesseract is an OCR (Optical Character Recognition) engine.
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The easiest way to use it is to convert the source to a Grayscale tiff:
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`convert source.png -type Grayscale terre_input.tif`
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then run tesseract:
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`tesseract terre_input.tif output`
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EOF
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end
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end
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