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dependency to pdftk removed

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concatenation is now done also with ghostscript
This commit is contained in:
fritz-hh 2014-01-15 21:20:27 +01:00
parent 6d203e3eee
commit 38c64ac689
1 changed files with 10 additions and 20 deletions
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30
OCRmyPDF.sh
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@ -141,7 +141,6 @@ cd "`dirname $0`"
! command -v pdfimages > /dev/null && echo "Please install poppler-utils. Exiting..." && exit $EXIT_MISSING_DEPENDENCY
! command -v pdftoppm > /dev/null && echo "Please install poppler-utils. Exiting..." && exit $EXIT_MISSING_DEPENDENCY
! command -v pdffonts > /dev/null && echo "Please install poppler-utils. Exiting..." && exit $EXIT_MISSING_DEPENDENCY
! command -v pdftk > /dev/null && echo "Please install pdftk. Exiting..." && exit $EXIT_MISSING_DEPENDENCY
[ $PREPROCESS_CLEAN -eq 1 ] && ! command -v unpaper > /dev/null && echo "Please install unpaper. Exiting..." && exit $EXIT_MISSING_DEPENDENCY
! command -v tesseract > /dev/null && echo "Please install tesseract and tesseract-data. Exiting..." && exit $EXIT_MISSING_DEPENDENCY
! command -v python2 > /dev/null && echo "Please install python v2.x. Exiting..." && exit $EXIT_MISSING_DEPENDENCY
@ -183,9 +182,6 @@ if [ $VERBOSITY -ge $LOG_DEBUG ]; then
pdftoppm -v
pdffonts -v
echo "--------------------------------"
echo "pdftk version:"
pdftk --version
echo "--------------------------------"
echo "unpaper version:"
unpaper --version
echo "--------------------------------"
@ -223,16 +219,15 @@ if [ $? -ne 0 ]; then
fi
exit $EXIT_FILE_ACCESS_ERROR
fi
FILE_TMP="${TMP_FLD}/tmp.txt" # temporary file with a very short lifetime (may be used for several things)
FILE_PAGES_INFO="${TMP_FLD}/pages-info.txt" # for each page: page #; width in pt; height in pt
FILE_OUTPUT_PDF_CAT="${TMP_FLD}/ocred.pdf" # concatenated OCRed PDF files
FILE_VALIDATION_LOG="${TMP_FLD}/pdf_validation.log" # log file containing the results of the validation of the PDF/A file
# Create tmp folder
[ $VERBOSITY -ge $LOG_DEBUG ] && echo "Created temporary folder: \"$TMP_FLD\""
FILE_TMP="${TMP_FLD}/tmp.txt" # temporary file with a very short lifetime (may be used for several things)
FILE_PAGES_INFO="${TMP_FLD}/pages-info.txt" # for each page: page #; width in pt; height in pt
FILE_VALIDATION_LOG="${TMP_FLD}/pdf_validation.log" # log file containing the results of the validation of the PDF/A file
# get the size of each pdf page (width / height) in pt (inch*72)
# get the size of each pdf page (width / height) in pt (i.e. inch/72)
[ $VERBOSITY -ge $LOG_DEBUG ] && echo "Input file: Extracting size of each page (in pt)"
! identify -format "%w %h\n" "$FILE_INPUT_PDF" > "$FILE_TMP" \
&& echo "Could not get size of PDF pages. Exiting..." && exit $EXIT_BAD_INPUT_FILE
@ -247,17 +242,12 @@ parallel --gnu -q -k --halt-on-error 1 "$OCR_PAGE" "$FILE_INPUT_PDF" "{}" "$nump
ret_code="$?"
[ $ret_code -ne 0 ] && exit $ret_code
# concatenate all pages
[ $VERBOSITY -ge $LOG_DEBUG ] && echo "Output file: Concatenating all pages"
! pdftk "${TMP_FLD}/"*ocred*.pdf cat output "$FILE_OUTPUT_PDF_CAT" \
&& echo "Could not concatenate individual PDF pages (\"${TMP_FLD}/*-ocred.pdf\") to one file. Exiting..." && exit $EXIT_OTHER_ERROR
# convert the pdf file to match PDF/A format
[ $VERBOSITY -ge $LOG_DEBUG ] && echo "Output file: Converting to PDF/A"
# concatenate all pages and convert the pdf file to match PDF/A format
[ $VERBOSITY -ge $LOG_DEBUG ] && echo "Output file: Concatenating all pages to the final PDF/A file"
! gs -dQUIET -dPDFA -dBATCH -dNOPAUSE -dUseCIEColor \
-sProcessColorModel=DeviceCMYK -sDEVICE=pdfwrite -sPDFACompatibilityPolicy=2 \
-sOutputFile="$FILE_OUTPUT_PDFA" "$FILE_OUTPUT_PDF_CAT" 1> /dev/null 2> /dev/null \
&& echo "Could not convert PDF file \"$FILE_OUTPUT_PDF_CAT\" to PDF/A. Exiting..." && exit $EXIT_OTHER_ERROR
-sOutputFile="$FILE_OUTPUT_PDFA" "${TMP_FLD}/"*ocred*.pdf 1> /dev/null 2> /dev/null \
&& echo "Could not concatenate all pages to the final PDF/A file. Exiting..." && exit $EXIT_OTHER_ERROR
# validate generated pdf file (compliance to PDF/A)
[ $VERBOSITY -ge $LOG_DEBUG ] && echo "Output file: Checking compliance to PDF/A standard"