Compare commits

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Author SHA1 Message Date
FPille b8fcd7cf83 Improve find expressions/options 2019-08-05 22:48:18 +02:00
FPille 0bcc5dcabb Add CLI outputs 2019-08-05 21:17:27 +02:00
FPille 9f74f306e1 Fix find command for listing programs 2019-08-05 21:14:55 +02:00
FPille 65bf748d59 Remove less from packages / Copy less and column from build environment to AppDir 2019-08-05 20:12:19 +02:00
FPille 65dba03703 ImageMagick already exists in build environment 2019-08-05 20:10:38 +02:00
FPille cb1126b743 Add pushd "$HERE" 2019-08-05 20:07:41 +02:00
FPille 8ef928fcdd Add parameter ocrmypdf 2019-08-04 20:01:47 +02:00
FPille 67fa41c39a Force copy of less binaries 2019-08-04 19:54:47 +02:00
FPille 1e14c2101f Add user dialog to show license files 2019-08-04 19:32:16 +02:00
FPille 7f12775032 Add package less 2019-08-04 19:31:17 +02:00
FPille d3bee93ed5 Disable pytest 2019-08-04 19:30:14 +02:00
FPille 7409cbed29 Add ppa for pngquant 2.5.0 2019-08-02 17:46:46 +02:00
FrankandGitHub 55a44f823a Delete ocrmypdf.png
This file is a bloody workaround.  AppImages require a dir icon.
When started to build this AppImage there was no logo at the github repo of OCRmyPDF.
Now the build script uses/converts the OCRmyPDF logo to use it as dir icon.
2019-07-29 23:41:21 +02:00
FrankandGitHub 8cd87bd26f Correct order of programs 2019-07-29 20:59:45 +02:00
FPille 03932e877a Initial commit 2019-07-29 20:56:31 +02:00
45 changed files with 342 additions and 40481 deletions
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# Always use Unix convention for new lines
* text eol=lf
# These files are binary and should be left untouched
# (binary is a macro for -text -diff)
*.jar binary
*.pdf binary
*.PDF binary
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tmp/
log/
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language: generic
sudo: required
dist: trusty
before_install:
- sudo add-apt-repository ppa:heyarje/libav-11 -y
- sudo add-apt-repository ppa:alex-p/tesseract-ocr -y
- sudo add-apt-repository ppa:evl.ms/evil -y # for a newer version (2.5.0) of pngquant
- sudo apt-get update -qq
- sudo apt-get install libleptonica-dev -y # required to build jbig2enc
- sudo apt-get install zlib1g-dev -y # required to build jbig2enc
# - sudo apt-get install imagemagick -y # required to convert logo to desktop icon
script:
- export OCRMYPDF_VERSION=8.3.2
- bash build-appimage.sh
# remove previous installed libraries to ensure that the tests use the libraries of the AppImage
- sudo apt-get remove libleptonica-dev zlib1g-dev -y
- bash test/test-appimage.sh
- wget https://github.com/probonopd/uploadtool/raw/master/upload.sh
after_success:
- bash upload.sh OCRmyPDF*.AppImage
branches:
except:
# Do not build tags that we create when we upload to GitHub Releases
- /^(?i:continuous)/
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Copyright (c) 2013 fritz-hh from Github
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
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#!/bin/sh
##############################################################################
# Copyright (c) 2013-14: fritz-hh from Github (https://github.com/fritz-hh)
##############################################################################
# Import required scripts
. "`dirname $0`/src/config.sh"
# Set variables corresponding to the input parameters
ARGUMENTS="$@"
START=`date +%s`
usage() {
cat << EOF
--------------------------------------------------------------------------------------
Script aimed at generating a searchable PDF file from a PDF file containing only images.
(The script performs optical character recognition of each respective page using the
tesseract engine)
Copyright: fritz-hh from Github (https://github.com/fritz-hh)
Version: $VERSION
Usage: OCRmyPDF.sh [-h] [-v] [-g] [-k] [-d] [-c] [-i] [-o dpi] [-f] [-l language] [-C filename] inputfile outputfile
-h : Display this help message
-v : Increase the verbosity (this option can be used more than once) (e.g. -vvv)
-k : Do not delete the temporary files
-g : Activate debug mode:
- Generates a PDF file containing each page twice (once with the image, once without the image
but with the OCRed text as well as the detected bounding boxes)
- Set the verbosity to the highest possible
- Do not delete the temporary files
-d : Deskew each page before performing OCR
-c : Clean each page before performing OCR
-i : Incorporate the cleaned image in the final PDF file (by default the original image
image, or the deskewed image if the -d option is set, is incorporated)
-o : If the resolution of an image is lower than dpi value provided as argument, provide the OCR engine with
an oversampled image having the latter dpi value. This can improve the OCR results but can lead to a larger output PDF file.
(default: no oversampling performed)
-f : Force to OCR the whole document, even if some page already contain font data
(which should not be the case for PDF files built from scnanned images)
-l : Set the language of the PDF file in order to improve OCR results (default "eng")
Any language supported by tesseract is supported (Tesseract uses 3-character ISO 639-2 language codes)
Multiple languages may be specified, separated by '+' characters.
-C : Pass an additional configuration file to the tesseract OCR engine.
(this option can be used more than once)
Note 1: The configuration file must be available in the "tessdata/configs" folder of your tesseract installation
inputfile : PDF file to be OCRed
outputfile : The PDF/A file that will be generated
--------------------------------------------------------------------------------------
EOF
}
#################################################
# Get an absolute path from a relative path to a file
#
# Param1 : Relative path
# Returns: 1 if the folder in which the file is located does not exist
# 0 otherwise
#################################################
absolutePath() {
local wdsave absolutepath
wdsave="$(pwd)"
! cd "$(dirname "$1")" 1> /dev/null 2> /dev/null && return 1
absolutepath="$(pwd)/$(basename "$1")"
cd "$wdsave"
echo "$absolutepath"
return 0
}
# Initialization the configuration parameters with default values
VERBOSITY="$LOG_ERR" # default verbosity level
LAN="eng" # default language of the PDF file (required to get good OCR results)
KEEP_TMP="0" # 0=no, 1=yes (keep the temporary files)
PREPROCESS_DESKEW="0" # 0=no, 1=yes (deskew image)
PREPROCESS_CLEAN="0" # 0=no, 1=yes (clean image to improve OCR)
PREPROCESS_CLEANTOPDF="0" # 0=no, 1=yes (put cleaned image in final PDF)
OVERSAMPLING_DPI="0" # 0=do not perform oversampling (dpi value under which oversampling should be performed)
PDF_NOIMG="0" # 0=no, 1=yes (generates each PDF page twice, with and without image)
FORCE_OCR="0" # 0=do not force, 1=force (force to OCR the whole document, even if some page already contain font data)
TESS_CFG_FILES="" # list of additional configuration files to be used by tesseract
# Parse optional command line arguments
while getopts ":hvgkdcio:fl:C:" opt; do
case $opt in
h) usage ; exit 0 ;;
v) VERBOSITY=$(($VERBOSITY+1)) ;;
k) KEEP_TMP="1" ;;
g) PDF_NOIMG="1"; VERBOSITY="$LOG_DEBUG"; KEEP_TMP="1" ;;
d) PREPROCESS_DESKEW="1" ;;
c) PREPROCESS_CLEAN="1" ;;
i) PREPROCESS_CLEANTOPDF="1" ;;
o) OVERSAMPLING_DPI="$OPTARG" ;;
f) FORCE_OCR="1" ;;
l) LAN="$OPTARG" ;;
C) TESS_CFG_FILES="$OPTARG $TESS_CFG_FILES" ;;
\?)
echo "Invalid option: -$OPTARG"
usage
exit $EXIT_BAD_ARGS ;;
:)
echo "Option -$OPTARG requires an argument"
usage
exit $EXIT_BAD_ARGS ;;
esac
done
# Remove the optional arguments parsed above.
shift $((OPTIND-1))
# Check if the number of mandatory parameters provided is as expected
if [ "$#" -ne "2" ]; then
echo "Exactly two mandatory argument shall be provided ($# arguments provided)"
usage
exit $EXIT_BAD_ARGS
fi
! absolutePath "$1" > /dev/null \
&& echo "The folder in which the input file should be located does not exist. Exiting..." && exit $EXIT_BAD_ARGS
FILE_INPUT_PDF="`absolutePath "$1"`"
! absolutePath "$2" > /dev/null \
&& echo "The folder in which the output file should be generated does not exist. Exiting..." && exit $EXIT_BAD_ARGS
FILE_OUTPUT_PDFA="`absolutePath "$2"`"
# set script path as working directory
cd "`dirname $0`"
[ $VERBOSITY -ge $LOG_DEBUG ] && echo "$TOOLNAME version: $VERSION"
[ $VERBOSITY -ge $LOG_DEBUG ] && echo "Arguments: $ARGUMENTS"
# check if the required utilities are installed
[ $VERBOSITY -ge $LOG_DEBUG ] && echo "Checking if all dependencies are installed"
! command -v identify > /dev/null && echo "Please install ImageMagick. Exiting..." && exit $EXIT_MISSING_DEPENDENCY
! command -v parallel > /dev/null && echo "Please install GNU Parallel. Exiting..." && exit $EXIT_MISSING_DEPENDENCY
! 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
[ $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
! python2 -c 'import lxml' 2>/dev/null && echo "Please install the python library lxml. Exiting..." && exit $EXIT_MISSING_DEPENDENCY
! python2 -c 'import reportlab' 2>/dev/null && echo "Please install the python library reportlab. Exiting..." && exit $EXIT_MISSING_DEPENDENCY
! command -v gs > /dev/null && echo "Please install ghostcript. Exiting..." && exit $EXIT_MISSING_DEPENDENCY
! command -v java > /dev/null && echo "Please install java. Exiting..." && exit $EXIT_MISSING_DEPENDENCY
# ensure the right tesseract version is installed
# older versions are known to produce malformed hocr output and should not be used
# Even 3.02.01 fails in few cases (see issue #28). I decided to allow this version anyway because
# 3.02.02 is not yet available for some widespread linux distributions
reqtessversion="3.02.01"
tessversion=`tesseract -v 2>&1 | grep "tesseract" | sed s/[^0-9.]//g`
tesstooold=$(echo "`echo $tessversion | sed s/[.]//2`-`echo $reqtessversion | sed s/[.]//2` < 0" | bc)
[ "$tesstooold" -eq "1" ] \
&& echo "Please install tesseract ${reqtessversion} or newer (currently installed version is ${tessversion})" && exit $EXIT_MISSING_DEPENDENCY
# ensure the right GNU parallel version is installed
# older version do not support -q flag (required to escape special characters)
reqparallelversion="20130222"
parallelversion=`parallel --minversion 0`
! parallel --minversion "$reqparallelversion" > /dev/null \
&& echo "Please install GNU parallel ${reqparallelversion} or newer (currently installed version is ${parallelversion})" && exit $EXIT_MISSING_DEPENDENCY
# ensure pdftoppm is provided by poppler-utils, not the older xpdf version
! pdftoppm -v 2>&1 | grep -q 'Poppler' && echo "Please remove xpdf and install poppler-utils. Exiting..." && $EXIT_MISSING_DEPENDENCY
# Display the version of the tools if log level is LOG_DEBUG
if [ $VERBOSITY -ge $LOG_DEBUG ]; then
echo "--------------------------------"
echo "ImageMagick version:"
identify --version
echo "--------------------------------"
echo "GNU Parallel version:"
parallel --version
echo "--------------------------------"
echo "Poppler-utils version:"
pdfimages -v
pdftoppm -v
pdffonts -v
echo "--------------------------------"
echo "unpaper version:"
unpaper --version
echo "--------------------------------"
echo "tesseract version:"
tesseract --version
echo "--------------------------------"
echo "python2 version:"
python2 --version
echo "--------------------------------"
echo "Ghostscript version:"
gs --version
echo "--------------------------------"
echo "Java version:"
java -version
echo "--------------------------------"
fi
# check if the languages passed to tesseract are all supported
for currentlan in `echo "$LAN" | sed 's/+/ /g'`; do
if ! tesseract --list-langs 2>&1 | grep "^$currentlan\$" > /dev/null; then
echo "The language \"$currentlan\" is not supported by tesseract."
tesseract --list-langs 2>&1 | tr '\n' ' '; echo
echo "Exiting..."
exit $EXIT_BAD_ARGS
fi
done
# Initialize path to temporary files using mktemp
# Goal: save tmp file in a sub-folder of the $TMPDIR environment variable (or in "/tmp" if unset)
# Unfortunately, Linux mktemp is not compatible with FreeBSD/OSX mktemp
# Linux version requires no arg
# FreeBSD requires '-t prefix' to be used so that $TMPDIR is taken into account
# But in Linux '-t template' is handled differently than in FreeBSD
# Therefore different calls must be used for Linux and for FreeBSD
prefix="$(date +"%Y%m%d_%H%M").filename.$(basename "$FILE_INPUT_PDF" | sed 's/[.][^.]*$//')" # prefix made of date, time and pdf file name without extension
TMP_FLD=`mktemp -d 2>/dev/null || mktemp -d -t "${prefix}" 2>/dev/null` # try Linux syntax first, if it fails try FreeBSD/OSX
if [ $? -ne 0 ]; then
if [ -z "$TMPDIR" ]; then
echo "Could not create folder for temporary files. Please ensure you have sufficient right and \"/tmp\" exists"
else
echo "Could not create folder for temporary files. Please ensure you have sufficient right and \"$TMPDIR\" exists"
fi
exit $EXIT_FILE_ACCESS_ERROR
fi
[ $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 (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 $EXIT_BAD_INPUT_FILE
# removing empty lines (last one should be) and add page # before each line
sed '/^$/d' "$FILE_TMP" | awk '{printf "%04d %s\n", NR, $0}' > "$FILE_PAGES_INFO"
numpages=`tail -n 1 "$FILE_PAGES_INFO" | cut -f1 -d" "`
# process each page of the input pdf file
parallel --gnu -q -k --halt-on-error 1 "$OCR_PAGE" "$FILE_INPUT_PDF" "{}" "$numpages" "$TMP_FLD" \
"$VERBOSITY" "$LAN" "$KEEP_TMP" "$PREPROCESS_DESKEW" "$PREPROCESS_CLEAN" "$PREPROCESS_CLEANTOPDF" "$OVERSAMPLING_DPI" \
"$PDF_NOIMG" "$TESS_CFG_FILES" "$FORCE_OCR" < "$FILE_PAGES_INFO"
ret_code="$?"
[ $ret_code -ne 0 ] && exit $ret_code
# 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" "${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 $LOG_DEBUG ] && echo "Output file: Checking compliance to PDF/A standard"
java -jar "$JHOVE" -c "$JHOVE_CFG" -m PDF-hul "$FILE_OUTPUT_PDFA" > "$FILE_VALIDATION_LOG"
grep -i "Status|Message" "$FILE_VALIDATION_LOG" # summary of the validation
[ $VERBOSITY -ge $LOG_DEBUG ] && echo "The full validation log is available here: \"$FILE_VALIDATION_LOG\""
# check the validation results
pdf_valid=1
grep -i 'ErrorMessage' "$FILE_VALIDATION_LOG" && pdf_valid=0
grep -i 'Status.*not valid' "$FILE_VALIDATION_LOG" && pdf_valid=0
grep -i 'Status.*Not well-formed' "$FILE_VALIDATION_LOG" && pdf_valid=0
! grep -i 'Profile:.*PDF/A-1' "$FILE_VALIDATION_LOG" > /dev/null && echo "PDF file profile is not PDF/A-1" && pdf_valid=0
[ $pdf_valid -ne 1 ] && echo "Output file: The generated PDF/A file is INVALID"
[ $pdf_valid -eq 1 ] && [ $VERBOSITY -ge $LOG_INFO ] && echo "Output file: The generated PDF/A file is VALID"
# delete temporary files
if [ $KEEP_TMP -eq 0 ]; then
[ $VERBOSITY -ge $LOG_DEBUG ] && echo "Deleting temporary files"
rm -r -f "${TMP_FLD}"
fi
END=`date +%s`
[ $VERBOSITY -ge $LOG_DEBUG ] && echo "Script took $(($END-$START)) seconds"
[ $pdf_valid -ne 1 ] && exit $EXIT_INVALID_OUPUT_PDFA || exit 0
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OCRmyPDF
========
# OCRmyPDF-AppImage [![Build Status](https://travis-ci.com/FPille/OCRmyPDF-AppImage.svg?branch=master)](https://travis-ci.com/FPille/OCRmyPDF-AppImage)
[AppImage][APPIMAGE] for [OCRmyPDF][OCRMYPDF]
OCRmyPDF adds an OCR text layer to scanned PDF files, allowing them to be searched
## Usage
Download OCRmyPDF*.AppImage, make it executable and run it.
```
wget https://github.com/FPille/OCRmyPDF-AppImage/releases/download/continuous/OCRmyPDF-8.3.2-x86_64.AppImage
chmod +x OCRmyPDF*.AppImage
./OCRmyPDF*.AppImage --help
```
Beside OCRmyPDF additional command line programs can be run with this AppImage like:
* ghostscript
* img2pdf
* pngquant
* python3.6
* qpdf
* tesseract
* unpaper
To get the script usage, call: sh ./OCRmyPDF.sh -h
Just use the program name as first parameter plus options:
```
./OCRmyPDF*.AppImage tesseract -v
tesseract 4.1.0
leptonica-1.76.0
libjpeg 8d (libjpeg-turbo 1.3.0) : libpng 1.2.50 : libtiff 4.0.3 : zlib 1.2.11 : libwebp 0.4.0 : libopenjp2 2.3.0
Found AVX2
Found AVX
Found SSE
```
Or create a symlink for the corresponding program:
```
ln -s OCRmyPDF*.AppImage tesseract
./tesseract --list-langs
```
Main features
--------
- Generates a searchable PDF/A file from a PDF file containing only images
- Places OCRed text accurately below the image to ease copy / paste
- Keeps the exact resolution of the original embedded images
- or if requested oversamples the images before OCRing so as to get better results
- If requested deskews and / or clean the image before performing OCR
- Validates the generated file against the PDF/A specification using jhove
- Provides debug mode to enable easy verification of the OCR results
- Processes several pages in parallel if more than one CPU core is available
[APPIMAGE]: https://appimage.org
[OCRMYPDF]: https://github.com/jbarlow83/OCRmyPDF
For details: please consult the release notes
Motivation
----------
I searched the web for a free command line tool to OCR PDF files on linux/unix:
I found many, but none of them were really satisfying.
- Either they produced PDF files with misplaced text under the image (making copy/paste impossible)
- Or they did not display correctly some escaped html characters located in the hocr file produced by the OCR engine
- Or they changed the resolution of the embedded images
- Or they generated PDF file having a ridiculous big size
- Or they crashed when trying to OCR some of my PDF files
- Or they did not produce valid PDF files (even though they were readable with my current PDF reader)
- On top of that none of them produced PDF/A files (format dedicated for long time storage / archiving)
... so I decided to develop my own tool (using various existing scripts as an inspiration)
Install
-------
Download OCRmyPDF here: https://github.com/fritz-hh/OCRmyPDF/releases
Copy the file in onto your linux/unix machine and extract it.
Run: "sh ./OCRmyPDF.sh -h" to get the script usage
If not yet installed, the script will notify you about dependencies that need to be installed.
The script requires specific versions of the dependencies. Older version than the ones mentioned in the release notes are likely not to be compatible to OCRmyPDF.
Support
-------
In case you detect an issue, please:
- Check if your issue is already known
- If no problem report exists on github, please create one here: https://github.com/fritz-hh/OCRmyPDF/issues
- Describe your problem thoroughly
- Append the console output of the script when running the debug mode (-g option)
- If possible provide your input PDF file as well as the content of the temporary folder (using a file sharing service like www.file-upload.net)
Press & Media
-------------
- c't 1-2014, page 59: Detailed presentation of OCRmyPDF v1.0 in the leading german IT magazine c't (http://www.heise.de/ct/inhalt/2014/1/58/)
Disclaimer
----------
The software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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RELEASE NOTES
=============
Please always read this file before installing the package
Download software here: https://github.com/fritz-hh/OCRmyPDF/tags
v2.0-stable (2014-01-25):
=======
New features
------------
- Check if the language(s) passed using the -l option is supported by tesseract (fixes #60)
Changes
-------
- Allow OCRmyPDF to be used with tesseract 3.02.01, even though OCR might fail for few PDF file (see issue #28). Rationale: For some linux distribution, no newer version than tesseract 3.02.01 is available
Fixes
-----
- More robust algorithm for checking the version of the installed tesseract package
Tested with
-----------
- Operating system: FreeBSD 9.1
- Dependencies:
- parallel 20130222
- poppler-utils 0.22.2
- ImageMagick 6.8.0-7 2013-03-30
- Unpaper 0.3
- tesseract 3.02.02
- Python 2.7.3
- ghoscript (gs): 9.06
- java: openjdk version "1.7.0_17"
v2.0-rc2 (2014-01-16):
=======
New features
------------
- None
Changes
-------
- Size reduction of final PDF file: (fixes #50)
- Support for monochrome (Black&White) images (massive size reduction in final PDF: >80%)
- Reduced size of grayscale images (by 13% on test PDF file)
- Preventing fi, fl ligatures does not require anymore to pass an additional config file to tesseract using the -C option (fixes #58)
- Location of temporary folder according to content of environment variable TMPDIR.
- Dependency to pdftk removed
- Check for compatible versions of dependencies: (fixes #51)
- parallel and tesseract
- python libraries reportlab and lxml
Fixes
-----
- Improved portability with various shells (dash, bash, tcsh) and OS (FreeBSD, MAC OSX, Linux) (fixes #59)
- Corrected bug in case the input PDF file contains a space character (fixes #48)
- Prevent spurious error message in case there is no image in a PDF page
- Prevent collision of temporary folder names (fixes #57)
Tested with
-----------
- Operating system: FreeBSD 9.1
- Dependencies:
- parallel 20130222
- poppler-utils 0.22.2
- ImageMagick 6.8.0-7 2013-03-30
- Unpaper 0.3
- tesseract 3.02.02
- Python 2.7.3
- ghoscript (gs): 9.06
- java: openjdk version "1.7.0_17"
v2.0-rc1 (2014-01-07):
====
New features
------------
- Huge performance improvement on machines having multiple CPU/cores (processing of several pages concurrently) (fixes #18)
- By default prevent from processing a PDF file already containing fonts (i.e. text)(it can be overridden with the -f flag) (fixes #16)
- Warn if the resolution is too low to get reasonable OCR results (fixes #37)
- New option (-o) to perform automatic oversampling if the image resolution is too low. This can improve OCR results.
- Warn if using a tesseract version older than v3.02.02 (as older versions are known to produce invalid output) (fixes #41)
- Echo version of the installed dependencies (e.g. tesseract) in debug mode in order to ease support (fixes #35)
- Echo the arguments passed to the script in debug mode to ease support
Changes
-------
- In debug mode: The debug page is now placed after the respective "normal" page
- Reduced disk space usage in temporary folder if -d (deskew) or -c (cleanup) options are not selected
- New file src/config.sh containing various configuration parameters
- Documentation of the tesseract config file "tess-cfg/no_ligature" improved
- Improved consistency of the temporary file names
Fixes
-----
- Improved robustness:
- in case vertical resolution differs from horizontal resolution (fixes #38)
- in case a PDF page contains more than one image (fixes #36)
- Fix a problem occurring if python 3 is the standard interpreter (fixes #33)
- Fix a problem occurring if the input PDF file contains special characters like "#" (fixes #34)
Tested with
-----------
- Operating system: FreeBSD 9.1
- Dependencies:
- parallel 20130222
- poppler-utils 0.22.2
- ImageMagick 6.8.0-7 2013-03-30
- Unpaper 0.3
- tesseract 3.02.02
- Python 2.7.3
- pdftk 1.45
- ghoscript (gs): 9.06
- java: openjdk version "1.7.0_17"
v1.1-stable (2014-01-06):
====
New features
------------
- N/A
Changes
-------
- N/A
Fixes
-----
- Fixed syntax error (bashism) leading to an error message on certain systems (fixes #42)
Tested with
-----------
- Operating system: FreeBSD 9.1
- Dependencies:
- poppler-utils 0.22.2
- ImageMagick 6.8.0-7 2013-03-30
- Unpaper 0.3
- tesseract 3.02.02
- Python 2.7.3
- pdftk 1.45
- ghoscript (gs): 9.06
- java: openjdk version "1.7.0_17"
v1.0-stable (2013-05-06):
====
New features
------------
- In debug mode: compute and echo time required for processing (fixes #26)
Changes
-------
- Removed feature to add metadata in final pdf file (because it lead to to final PDF file that does not comply to the PDF/A-1 format)
- Removed feature to set same owner & permissions in final PDF file than in input file
- Removed many unused jhove files (e.g. documentation, *.java and *.class files)
Fixes
-----
- Correction to handle correctly path and input PDF files having spaces (fixes #31)
- Resolutions (x/y) that are nearly equal are now supported (fixes #25)
- Fix compatibility issue with Ubuntu server 12.04 / Ubuntu server 10.04 / Linux Mint 13 Maya and probably other Linux distributions (fixes #27)
- Commit missing jhove files (*.jar mainly) due to wrong .gitignore
Tested with
-----------
- Operating system: FreeBSD 9.1
- Dependencies:
- poppler-utils 0.22.2
- ImageMagick 6.8.0-7 2013-03-30
- Unpaper 0.3
- tesseract 3.02.02
- Python 2.7.3
- pdftk 1.45
- ghoscript (gs): 9.06
- java: openjdk version "1.7.0_17"
v1.0-rc2 (2013-04-29):
====
New features
------------
- Keep temporary files if debug mode is set (fixes #22)
- Set same owner & permissions in final PDF file than in input file (fixes #9)
- Added metadata in final pdf file (fixes #4)
Changes
-------
- N/A
Fixes
-----
- Fixed wrong image cropping when deskew option is activated
- Exit with error message if page size is not found in hocr file (fixes #21)
- Various minor fixes in log messages
Tested with
-----------
- Operating system: FreeBSD 9.1
- Dependencies:
- poppler-utils 0.22.2
- ImageMagick 6.8.0-7 2013-03-30
- Unpaper 0.3
- tesseract 3.02.02
- Python 2.7.3
- pdftk 1.45
- ghoscript (gs): 9.06
- java: openjdk version "1.7.0_17"
v1.0-rc1 (2013-04-26):
====
New features
------------
- First release candidate
Changes
-------
- N/A
Fixes
-----
- N/A
Tested with
-----------
- Operating system: FreeBSD 9.1
- Dependencies:
- poppler-utils 0.22.2
- ImageMagick 6.8.0-7 2013-03-30
- Unpaper 0.3
- tesseract 3.02.02
- Python 2.7.3
- pdftk 1.45
- ghoscript (gs): 9.06
- java: openjdk version "1.7.0_17"
+105
View File
@@ -0,0 +1,105 @@
#! /bin/bash
HERE="$(dirname "$(readlink -f "${0}")")"
export PATH="$HERE/usr/bin:$HERE/usr/local/bin:$HERE/usr/python/bin:$PATH"
export LD_PRELOAD="$HERE/usr/lib/liblept.so.5"
export LD_LIBRARY_PATH="$HERE/usr/lib:$HERE/usr/lib/x86_64-linux-gnu:$LD_LIBRARY_PATH"
export TESSDATA_PREFIX="$HERE/usr/share/tesseract-ocr/4.00/tessdata"
export GS_LIB="$HERE/usr/share/ghostscript/9.26/lib:$HERE/usr/share/ghostscript/9.26/Resource:$HERE/usr/share/ghostscript/9.26/Resource/Init"
# Allow the AppImage to be symlinked to e.g., /usr/bin/commandname
# or called with ./Some*.AppImage commandname ...
# refer to https://github.com/AppImage/AppImageKit/wiki/Bundling-command-line-tools
if [ ! -z "$APPIMAGE" ] ; then
BINARY_NAME=$(basename "$ARGV0")
else
BINARY_NAME=$(basename "$0")
export APPDIR="$HERE" # required for the wrapper scripts of linuxdeploy-plugin-python
fi
usage() {
echo "
==============================================================================
AppImage for OCRmyPDF
==============================================================================
OCRmyPDF adds an OCR text layer to scanned PDF files, allowing them to be
searched or copy-pasted.
usage:
$ARGV0 [ocrmypdf] [--help] [--list-programs]
[--list-licenses] [--show-license]
ocrmypdf execute OCRmyPDF
--help show this help message
--list-programs list all programs contained in this AppImage
--list-licenses list all licenses contained in this AppImage
--show-license [LICENSE] show content of license file
"
}
if [ "$1" == "--help" ] ; then
usage
exit $?
fi
if [ "$1" == "--list-programs" ] ; then
pushd "$HERE"
echo ""
echo "Run \"$ARGV0\" with one of the following arguments to run the respective program."
echo ""
find . -type f -perm /111 ! -path '*/lib/*' -execdir basename {} ";" | sort -u | column
echo ""
exit $?
fi
if [ "$1" == "--list-licenses" ] ; then
pushd "$HERE"
echo ""
echo "Run \"$ARGV0\" with one of the following arguments to display the respective license file."
echo ""
find . -type f \( ! -path '*/tesseract-ocr-*' -o -path '*/tesseract-ocr-eng/*' \) \
\( -iname "license*" -o -iname "*copyright*" -o -iname "*copying*" \) -printf "--show-license %P\n" | sort | column
echo ""
exit $?
fi
if [ "$1" == "--show-license" ] ; then
pushd "$HERE"
shift
if [ -f "$1" ] ; then
less -N "$1"
exit $?
else
echo "\"$1\" is not a valid license file path."
exit 1
fi
fi
if [ ! -z "$1" ] && [ -e "$HERE/bin/$1" ] ; then
MAIN="$HERE/bin/$1" ; shift
elif [ ! -z "$1" ] && [ -e "$HERE/usr/bin/$1" ] ; then
MAIN="$HERE/usr/bin/$1" ; shift
elif [ ! -z "$1" ] && [ -e "$HERE/usr/python/bin/$1" ] ; then
MAIN="$HERE/usr/python/bin/$1" ; shift
elif [ ! -z "$1" ] && [ -e "$HERE/usr/local/bin/$1" ] ; then
MAIN="$HERE/usr/local/bin/$1" ; shift
elif [ -e "$HERE/bin/$BINARY_NAME" ] ; then
MAIN="$HERE/bin/$BINARY_NAME"
elif [ -e "$HERE/usr/bin/$BINARY_NAME" ] ; then
MAIN="$HERE/usr/bin/$BINARY_NAME"
elif [ -e "$HERE/usr/python/bin/$BINARY_NAME" ] ; then
MAIN="$HERE/usr/python/bin/$BINARY_NAME"
elif [ -e "$HERE/usr/local/bin/$BINARY_NAME" ] ; then
MAIN="$HERE/usr/local/bin/$BINARY_NAME"
else
usage
exit $?
fi
exec "${MAIN}" "$@"
+120
View File
@@ -0,0 +1,120 @@
#! /bin/bash
set -x
set -e
# use RAM disk if possible
if [ "$CI" == "" ] && [ -d /dev/shm ]; then
TEMP_BASE=/dev/shm
else
TEMP_BASE=/tmp
fi
BUILD_DIR=$(mktemp -d -p "$TEMP_BASE" OCRmyPDF-AppImage-build-XXXXXX)
cleanup () {
if [ -d "$BUILD_DIR" ]; then
rm -rf "$BUILD_DIR"
fi
}
trap cleanup EXIT
# store repo root as variable
REPO_ROOT=$(readlink -f "$(dirname "$(dirname "$0")")")
OLD_CWD=$(readlink -f .)
pushd "$BUILD_DIR"
mkdir -p AppDir
mkdir -p PackageDir
mkdir -p jbig2
# download linuxdeploy AppImage and linuxdeploy-plugin-python AppImage
wget https://github.com/TheAssassin/linuxdeploy/releases/download/continuous/linuxdeploy-x86_64.AppImage
# wget https://github.com/niess/linuxdeploy-plugin-python/releases/download/continuous/linuxdeploy-plugin-python-x86_64.AppImage
# use adapted linuxdeploy-plugin-python instead of the original one (otherwise OCRmyPDF breaks)
wget https://github.com/FPille/linuxdeploy-plugin-python/releases/download/continuous/linuxdeploy-plugin-python-x86_64.AppImage
chmod +x linuxdeploy*.AppImage
ARCH=$(uname -i)
export ARCH
# .desktop file
cat > ocrmypdf.desktop <<\EOF
[Desktop Entry]
Name=ocrmypdf
Type=Application
Exec=ocrmypdf
Icon=ocrmypdf
Terminal=true
Comment=OCRmyPDF adds an OCR text layer to scanned PDF files, allowing them to be searched
Categories=Graphics;Scanning;OCR;
EOF
# download logo and convert it to desktop icon
# requires Imagemagick (convert)
wget https://raw.githubusercontent.com/jbarlow83/OCRmyPDF/master/docs/images/logo-social.png
convert logo-social.png -resize 512x512\> -size 512x512 xc:white +swap -gravity center -composite ocrmypdf.png
# download and intsall packages required by OCRmyPDF
pushd PackageDir
packages=(tesseract-ocr tesseract-ocr-all libavformat56 ghostscript qpdf pngquant)
for i in "${packages[@]}"
do
apt-get -d -o dir::cache="$PWD" -o Debug::NoLocking=1 --reinstall install "$i" -y
done
wget -q 'https://www.dropbox.com/s/vaq0kbwi6e6au80/unpaper_6.1-1.deb?raw=1' -O unpaper_6.1-1.deb
find . -type f -name \*.deb -exec dpkg-deb -X {} "$BUILD_DIR"/AppDir \;
popd
# compile and install jbig2
# requires libleptonica-dev, zlib1g-dev
wget -q https://github.com/agl/jbig2enc/archive/0.29.tar.gz -O - | \
tar xz -C jbig2 --strip-components=1
pushd jbig2
./autogen.sh
./configure --prefix="$BUILD_DIR"/AppDir/usr
make && make install
popd
pushd "$BUILD_DIR"/AppDir
# add some tools to AppDir
#cp -f /usr/bin/column ./usr/bin/
#cp -f /bin/less ./usr/bin/
# remove unnecessary data from AppDir
[ -d bin ] && rm -rf ./bin
[ -d etc ] && rm -rf ./etc
[ -d var ] && rm -rf ./var
popd
# export LD_LIBRARY_PATH so that dependencies of shared libraries can be deployed by linuxdeploy-x86_64.AppImage
export LD_LIBRARY_PATH="$BUILD_DIR/AppDir/usr/lib:$BUILD_DIR/AppDir/usr/lib/x86_64-linux-gnu:$LD_LIBRARY_PATH"
#OCRMYPDF_VERSION=8.3.2 # exported in .travis.yml file
export PIP_REQUIREMENTS="ocrmypdf==$OCRMYPDF_VERSION"
export VERSION="$OCRMYPDF_VERSION"
export OUTPUT=OCRmyPDF-"$VERSION"-"$ARCH".AppImage
export PYTHON_SOURCE=https://www.python.org/ftp/python/3.6.8/Python-3.6.8.tgz
./linuxdeploy-x86_64.AppImage --appdir AppDir --plugin python \
-d ocrmypdf.desktop -i ocrmypdf.png \
--custom-apprun "$REPO_ROOT"/appimage/AppRun.sh --output appimage
# move AppImage back to old CWD
mv "$OUTPUT" "$OLD_CWD"/
popd
-502
View File
@@ -1,502 +0,0 @@
GNU LESSER GENERAL PUBLIC LICENSE
Version 2.1, February 1999
Copyright (C) 1991, 1999 Free Software Foundation, Inc.
59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Everyone is permitted to copy and distribute verbatim copies
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as the successor of the GNU Library Public License, version 2, hence
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Free Software Foundation and other authors who decide to use it. You
can use it too, but we suggest you first think carefully about whether
this license or the ordinary General Public License is the better
strategy to use in any particular case, based on the explanations below.
When we speak of free software, we are referring to freedom of use,
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To protect your rights, we need to make restrictions that forbid
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infringement or for any other reason (not limited to patent issues),
conditions are imposed on you (whether by court order, agreement or
otherwise) that contradict the conditions of this License, they do not
excuse you from the conditions of this License. If you cannot
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may not distribute the Library at all. For example, if a patent
license would not permit royalty-free redistribution of the Library by
all those who receive copies directly or indirectly through you, then
the only way you could satisfy both it and this License would be to
refrain entirely from distribution of the Library.
If any portion of this section is held invalid or unenforceable under any
particular circumstance, the balance of the section is intended to apply,
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It is not the purpose of this section to induce you to infringe any
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to distribute software through any other system and a licensee cannot
impose that choice.
This section is intended to make thoroughly clear what is believed to
be a consequence of the rest of this License.
12. If the distribution and/or use of the Library is restricted in
certain countries either by patents or by copyrighted interfaces, the
original copyright holder who places the Library under this License may add
an explicit geographical distribution limitation excluding those countries,
so that distribution is permitted only in or among countries not thus
excluded. In such case, this License incorporates the limitation as if
written in the body of this License.
13. The Free Software Foundation may publish revised and/or new
versions of the Lesser General Public License from time to time.
Such new versions will be similar in spirit to the present version,
but may differ in detail to address new problems or concerns.
Each version is given a distinguishing version number. If the Library
specifies a version number of this License which applies to it and
"any later version", you have the option of following the terms and
conditions either of that version or of any later version published by
the Free Software Foundation. If the Library does not specify a
license version number, you may choose any version ever published by
the Free Software Foundation.
14. If you wish to incorporate parts of the Library into other free
programs whose distribution conditions are incompatible with these,
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decision will be guided by the two goals of preserving the free status
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NO WARRANTY
15. BECAUSE THE LIBRARY IS LICENSED FREE OF CHARGE, THERE IS NO
WARRANTY FOR THE LIBRARY, TO THE EXTENT PERMITTED BY APPLICABLE LAW.
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WRITING WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY
AND/OR REDISTRIBUTE THE LIBRARY AS PERMITTED ABOVE, BE LIABLE TO YOU
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END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Libraries
If you develop a new library, and you want it to be of the greatest
possible use to the public, we recommend making it free software that
everyone can redistribute and change. You can do so by permitting
redistribution under these terms (or, alternatively, under the terms of the
ordinary General Public License).
To apply these terms, attach the following notices to the library. It is
safest to attach them to the start of each source file to most effectively
convey the exclusion of warranty; and each file should have at least the
"copyright" line and a pointer to where the full notice is found.
<one line to give the library's name and a brief idea of what it does.>
Copyright (C) <year> <name of author>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Also add information on how to contact you by electronic and paper mail.
You should also get your employer (if you work as a programmer) or your
school, if any, to sign a "copyright disclaimer" for the library, if
necessary. Here is a sample; alter the names:
Yoyodyne, Inc., hereby disclaims all copyright interest in the
library `Frob' (a library for tweaking knobs) written by James Random Hacker.
<signature of Ty Coon>, 1 April 1990
Ty Coon, President of Vice
That's all there is to it!
-17
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JHOVE - JSTOR/Harvard Object Validation Environment
Copyright 2003-2008 by JSTOR and the President and Fellows of Harvard College
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lessor General Public License as
published by the Free Software Foundation; either version 2.1 of the
License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
USA
-227
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JHOVE - JSTOR/Harvard Object Validation Environment
Copyright 2003-2012 by JSTOR and the President and Fellows of Harvard College
JHOVE is made available under the GNU Lesser General Public License (LGPL;
see the file LICENSE for details)
Rev. 1.9, 2012-12-17
JHOVE (the JSTOR/Harvard Object Validation Environment, pronounced "jhove")
is an extensible software framework for performing format identification,
validation, and characterization of digital objects.
o Format identification is the process of determining the format to which a
digital object conforms: "I have a digital object; what format is it?"
o Format validation is the process of determining the level of compliance of a
digital object to the specification for its purported format: "I have an
object purportedly of format F; is it?"
o Format characterization is the process of determing the format-specific
significant properties of an object of a given format: "I have an object of
format F; what are its salient properties?"
These actions are frequently necessary during routine operation of digital
repositories and for digital preservation activities.
The output from JHOVE is controlled by output handlers. JHOVE uses an
extensible plug-in architecture; it can be configured at the time of its
invocation to include whatever specific format modules and output handlers
that are desired. The initial release of JHOVE includes modules for
arbitrary byte streams, ASCII and UTF-8 encoded text, AIFF and WAVE audio,
GIF, JPEG, JPEG 2000, TIFF, and PDF; and text and XML output handlers.
The JHOVE project is a collaboration of JSTOR and the Harvard University
Library. Development of JHOVE was funded in part by the Andrew W. Mellon
Foundation. JHOVE is made available under the GNU Lesser General Public
License (LGPL; see the file LICENSE for details).
JHOVE is currently being maintained by indpendent developers.
REQUIREMENTS
1. Java J2SE 1.5
(JHOVE was originally implemented using the Sun J2SE SDK 1.4.1 and has
been tested to work with 1.5)
2. If you would like to compile the JHOVE source code, then
Apache Ant, a Java-based build tool <http://ant.apache.org/> is necessary.
Note that the JAVA_HOME environment variable must be set appropriately for
Ant to work properly.
(JHOVE was implemented and tested using Ant 1.5.1.)
DISTRIBUTION
The JHOVE distribution package includes:
jhove/ # JHOVE home directory
COPYING # GNU Lesser General Public License
LICENSE # JHOVE license information
README
RELEASENOTES # JHOVE release notes
bin/
jhove.jar # JHOVE API package
jhove-handler.jar # Standard output handler package
jhove-module.jar # Standard module package
JhoveApp.jar # JHOVE command line application
JhoveView.jar # JHOVE with Swing GUI front-end
build.xml # Ant configuration file
classes/
build.xml # Ant configuration file
edu/ ... # JHOVE API packages
ADump.* # AIFF dump utility class
GDump.* # GIF dump utility class
Jhove.* # JHOVE main class
JDump.* # JPEG dump utility class
J2Dump.* # JPEG 2000 dump utility class
PDump.* # PDF dump utility class
TDump.* # TIFF dump utility class
UserHome.* # user.home property utility class
WDump.* # WAVE dump utility class
conf/
jhove.conf # JHOVE configuration file
jhove.xsd # JHOVE output schema
jhoveConfig.xsd # JHOVE configuration file schema
doc/
*.html # API documentation
...
examples/ # Sample files
ascii/ ...
gif/ ...
jpeg/ ...
jpeg2000/ ...
pdf/ ...
tiff/ ...
utf-8/ ...
adump* # AIFF dump Bourne shell driver
adump.bat* # AIFF dump DOS shell driver script
gdump* # GIF dump Bourne shell driver
gdump.bat* # GIF dump DOS shell driver script
jdump* # JPEG dump Bourne shell driver
jdump.bat* # JPEG dump DOS shell driver script
j2dump* # JPEG 2000 dump Bourne shell driver
j2dump.bat* # JPEG 2000 dump DOS shell driver
jhove.tmpl* # Template for JHOVE Bourne shell driver script
jhove_bat.tmpl* # Template for JHOVE DOS shell driver script
pdump* # PDF dump Bourne shell driver
pdump.bat* # PDF dump DOS shell driver script
tdump* # TIFF dump Bourne shell driver
tdump.bat* # TIFF dump DOS shell driver script
userhome* # user.home Bourne shell driver
userhome.bat* # user.home DOS shell driver script
wdump* # WAVE dump Bourne shell driver
wdump.bat* # WAVE dump DOS shell driver script
INSTALLATION
Edit the configuration file, jhove/conf/jhove.conf, and set the absolute
pathname of the JHOVE home directory and the temporary directory (in which
temporary files are created):
<jhoveHome>jhove-home-directory</jhoveHome>
<tempDirectory>temporary-directory</tempDirectory>
The JHOVE home directory is the top-most directory in the distribution TAR
or ZIP file. On Unix systems, "/var/tmp" is an appropriate temporary
directory; on Windows, "C:\Temp". For example, if the distribution TAR
file is disaggregated on a Unix system in the directory "/users/stephen/
projects", then the configuration file should read:
<jhoveHome>/users/stephen/projects/jhove</jhoveHome>
<tempDirectory>/var/tmp</jhoveHome>
In the JHOVE home directory, copy the JHOVE Bourne shell driver script
template, "jhove.tmpl", to "jhove" (or the equivalent Windows shell
script, "jhove_bat.tmpl" to "jhove.bat"), and set the
JHOVE home directory, Java home directory, and Java interpreter:
JHOVE_HOME=jhove-home-directory
JAVA_HOME=java-home-directory
JAVA=java-interpreter
The JAVA_HOME property should provide the absolute pathname of the Java
runtime or SDK installation; JAVA should provide the absolute pathname of the
Java interpreter. For example:
JHOVE_HOME=/users/stephen/projects/jhove
JAVA_HOME=/usr/local/j2re1.4.1_02
JAVA=$JAVA_HOME/bin/java
In the DOS shell driver script, jhove.bat, the equivalent three
variables are:
SET JHOVE_HOME=jhove-home-directory
SET JAVA_HOME=java-home-directory
SET JAVA=%JAVA_HOME%\bin\java
For example:
SET JHOVE_HOME="C:\Program Files\jhove"
SET JAVA_HOME="C:\Program Files\java\j2re1.4.1_02"
SET JAVA=%JAVA_HOME%\bin\java
The quotation marks are necessary because of the embedded space characters.
On Windows platforms it may also be necessary to add the Java bin subdirectory
to the System PATH environment variable:
PATH=C:\Program Files\java\j2re1.4.1_02\bin;...
(For information on setting a Windows environment variable, consult your local
documentation or system administrator.)
USAGE
java Jhove [-c config] [-m module] [-h handler] [-e encoding] [-H handler]
[-o output] [-x saxclass] [-t tempdir] [-b bufsize]
[-l loglevel] [[-krs] dir-file-or-uri [...]]
where -c config Configuration file pathname
-m module Module name
-h handler Output handler name (defaults to TEXT)
-e encoding Character encoding used by output handler (defaults to UTF-8)
-H handler About handler name
-o output Output file pathname (defaults to standard output)
-x saxclass SAX parser class (defaults to J2SE default)
-t tempdir Temporary directory in which to create temporary files
-b bufsize Buffer size for buffered I/O (defaults to J2SE 1.4 default)
-l loglevel Logging level
-k Calculate CRC32, MD5, and SHA-1 checksums
-r Display raw data flags, not textual equivalents
-s Format identification based on internal signatures only
dir-file-or-uri Directory or file pathname or URI of formated content
stream
All named modules and output handlers must be found on the Java CLASSPATH at
the time of invocation. The JHOVE driver script, jhove/jhove, automatically
sets the CLASSPATH and invokes the Jhove main class:
jhove [-c config] [-m module] [-h handler] [-e encoding] [-H handler]
[-o output] [-x saxclass] [-t tempdir] [-b bufsize] [-l loglevel]
[[-krs] dir-file-or-uri [...]]
The following additional programs are available, primarily for testing
and debugging purposes. They display a minimally processed, human-readable
version of the contents of AIFF, GIF, JPEG, JPEG 2000, PDF, TIFF, and WAVE
files:
java ADump aiff-file
java GDump gif-file
java JDump jpeg-file
java J2Dump jpeg2000-file
java PDump pdf-file
java TDump tiff-file
java WDump wave-file
For convenience, the following driver scripts are also available:
adump aiff-file
gdump gif-file
jdump jpeg-file
j2dump jpeg2000-file
pdump pdf-file
tdump tiff-file
wdump wave-file
The JHOVE Swing-based GUI interface can be invoked from a command shell from
the jhove/bin sub-directory:
java -jar JhoveView.jar -c <configFile>
where <configFile> is the pathname of the JHOVE configuration file.
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JHOVE - JSTOR/Harvard Object Validation Environment
Copyright 2003 by JSTOR and the President and Fellows of Harvard College
JHOVE is made available under the GNU General Public License (see the file
LICENSE for details)
Rev. 2003-11-25
The following jar files are meant to be used for embedding JHOVE functionality
into new applications or systems.
jhove.jar Contains the JHOVE API interfaces and classes
jhove-module.jar Contains the standard JHOVE modules ()
jhove-handler.jar Contains the standard JHOVE output handlers (TEXT and XML)
The following jar file is meant to be used with the stand-alone JHOVE
application using a command-line interface. It contains the main Jhove class
and the contents of jhove.jar, jhove-module.jar, and jhove-handler.jar.
JhoveApp.jar
The following jar file is meant to be used with the stand-alone JHOVE
application using a Swing GUI interface. It contains the main JhoveView class
and the contents of jhove.jar, jhove-module.jar, and jhove-handler.jar.
JhoveView.jar
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<project name="Jhove" default="dist" basedir=".">
<description>Project build file
Jhove - JSTOR/Harvard Object Validation Environment
Version 1.0 2004-09-10
Copyright 2004 by JSTOR and the President and Fellows of Harvard College
</description>
<!-- ant (or ant dist) Build everything
ant debug Build everything with debug enabled
ant clean Delete backup files
ant cleanclass Delete backup and class files
ant cleandist Delete backup, class, and jar files
ant javadoc Build javadocs
-->
<!-- set global properties for this build -->
<property name="bin" location="bin"/>
<property name="classes" location="classes"/>
<property name="doc" location="doc"/>
<target name="dist" description="Create distribution">
<ant dir="${classes}" inheritAll="false">
<property name="dbg" value="off"/>
</ant>
<chmod file="jhove" perm="ugo+x"/>
<chmod file="${bin}/JhoveView.jar" perm="ugo+x"/>
</target>
<target name="debug" description="Create distribution with debug enabled">
<ant dir="${classes}" inheritAll="false">
<property name="dbg" value="on"/>
</ant>
</target>
<target name="view" description="Create JhoveView application">
<ant dir="${classes}" target="view" inheritAll="false">
<property name="dbs" value="on"/>
</ant>
</target>
<target name="clean" description="Delete backup files">
<ant dir="${classes}" target="main-clean" inheritAll="false"/>
</target>
<target name="cleanclass" depends="clean">
<ant dir="${classes}" target="main-cleanclass" inheritAll="false"/>
</target>
<target name="cleandist" depends="cleanclass">
<delete file="${bin}/jhove.jar"/>
<delete file="${bin}/jhove-handler.jar"/>
<delete file="${bin}/jhove-module.jar"/>
<delete file="${bin}/JhoveApp.jar"/>
<delete file="${bin}/JhoveView.jar"/>
</target>
<target name="javadoc">
<javadoc sourcepath="${classes}" destdir="${doc}"
windowtitle="JHOVE Documentation"
Overview="${classes}/overview.html">
<package name="edu.harvard.hul.ois.jhove"/>
<package name="edu.harvard.hul.ois.jhove.handler"/>
<package name="edu.harvard.hul.ois.jhove.handler.audit"/>
<package name="edu.harvard.hul.ois.jhove.module"/>
<package name="edu.harvard.hul.ois.jhove.module.aiff"/>
<package name="edu.harvard.hul.ois.jhove.module.gif"/>
<package name="edu.harvard.hul.ois.jhove.module.html"/>
<package name="edu.harvard.hul.ois.jhove.module.iff"/>
<package name="edu.harvard.hul.ois.jhove.module.jpeg"/>
<package name="edu.harvard.hul.ois.jhove.module.jpeg2000"/>
<package name="edu.harvard.hul.ois.jhove.module.pdf"/>
<package name="edu.harvard.hul.ois.jhove.module.tiff"/>
<package name="edu.harvard.hul.ois.jhove.module.wave"/>
<package name="edu.harvard.hul.ois.jhove.module.xml"/>
<package name="edu.harvard.hul.ois.jhove.viewer"/>
</javadoc>
</target>
</project>
-63
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JHOVE - JSTOR/Harvard Object Validation Environment
Copyright 2003-2007 by JSTOR and the President and Fellows of Harvard College
JHOVE is made available under the GNU General Public License (see the file
LICENSE for details)
Rev. 2007-08-30
Edit the configuration file, jhove.conf, and set the JHOVE home
directory:
<jhoveHome>jhove-home-directory</jhoveHome>
and temporary directory:
<tempDirectory>temporary-directory</tempDirectory>
On most Unix systems, a reasonable temporary directory is "/var/tmp";
on Windows, "C:\temp".
The optional
<bufferSize>buffer-size</bufferSize>
element defines the buffer size used for buffer I/O operations.
The optional
<mixVersion>1.0</mixVersion>
element specifies that the XML output handler should conform to the
MIX 1.0 schema. The default behavior is for handler output to conform
to the MIX 0.2 schema.
The optional
<sigBytes>n</sigBytes>
element specifies that JHOVE modules will look for format signatures
in the first <n> bytes of the file. The default value is 1024.
All class names must be fully qualified with their package name:
<module>
<class>fully-package-qualified-class-name</class>
<init>optional-initialization-argument</init>
<param>optional-invocation-argument</param>
</module>
The optional <init> argument is passed to the module once at the time
its class is instantiated. See module-specific documentation for a
description of any initialization options.
The optional <param> argument is passed to the module every time it is
invoked. See module-specific documentation for a description of any
invocation options.
The order in which format modules are defined is important; when
performing a format identification operation, JHOVE will search for a
matching module in the order in which the modules are defined in the
configuration file. In general, the modules for more generic formats
should come later in the list. For example, the standard module ASCII
should be defined before the UTF-8 module, since all ASCII objects
are, by definition, UTF-8 objects, but not vice versa.
-47
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@@ -1,47 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<jhoveConfig version="1.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://hul.harvard.edu/ois/xml/ns/jhove/jhoveConfig"
xsi:schemaLocation="http://hul.harvard.edu/ois/xml/ns/jhove/jhoveConfig
http://hul.harvard.edu/ois/xml/xsd/jhove/1.4/jhoveConfig.xsd">
<jhoveHome>/users/stephen/projects/jhove</jhoveHome>
<defaultEncoding>utf-8</defaultEncoding>
<tempDirectory>/var/tmp</tempDirectory>
<bufferSize>131072</bufferSize>
<mixVersion>1.0</mixVersion>
<sigBytes>1024</sigBytes>
<module>
<class>edu.harvard.hul.ois.jhove.module.AiffModule</class>
</module>
<module>
<class>edu.harvard.hul.ois.jhove.module.WaveModule</class>
</module>
<module>
<class>edu.harvard.hul.ois.jhove.module.PdfModule</class>
</module>
<module>
<class>edu.harvard.hul.ois.jhove.module.Jpeg2000Module</class>
</module>
<module>
<class>edu.harvard.hul.ois.jhove.module.JpegModule</class>
</module>
<module>
<class>edu.harvard.hul.ois.jhove.module.GifModule</class>
</module>
<module>
<class>edu.harvard.hul.ois.jhove.module.TiffModule</class>
<param>byteoffset=true</param>
</module>
<module>
<class>edu.harvard.hul.ois.jhove.module.XmlModule</class>
</module>
<module>
<class>edu.harvard.hul.ois.jhove.module.HtmlModule</class>
</module>
<module>
<class>edu.harvard.hul.ois.jhove.module.AsciiModule</class>
</module>
<module>
<class>edu.harvard.hul.ois.jhove.module.Utf8Module</class>
</module>
</jhoveConfig>
-51
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@@ -1,51 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<jhoveConfig version="1.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://hul.harvard.edu/ois/xml/ns/jhove/jhoveConfig"
xsi:schemaLocation="http://hul.harvard.edu/ois/xml/ns/jhove/jhoveConfig
http://hul.harvard.edu/ois/xml/xsd/jhove/1.4/jhoveConfig.xsd">
<jhoveHome>/users/stephen/projects/jhove</jhoveHome>
<defaultEncoding>utf-8</defaultEncoding>
<tempDirectory>/var/tmp</tempDirectory>
<bufferSize>131072</bufferSize>
<mixVersion>1.0</mixVersion>
<sigBytes>1024</sigBytes>
<module>
<class>edu.harvard.hul.ois.jhove.module.AiffModule</class>
</module>
<module>
<class>edu.harvard.hul.ois.jhove.module.WaveModule</class>
</module>
<module>
<class>edu.harvard.hul.ois.jhove.module.PdfModule</class>
</module>
<module>
<class>edu.harvard.hul.ois.jhove.module.Jpeg2000Module</class>
</module>
<module>
<class>edu.harvard.hul.ois.jhove.module.JpegModule</class>
</module>
<module>
<class>edu.harvard.hul.ois.jhove.module.GifModule</class>
</module>
<module>
<class>edu.harvard.hul.ois.jhove.module.TiffModule</class>
<param>byteoffset=true</param>
</module>
<module>
<class>edu.harvard.hul.ois.jhove.module.XmlModule</class>
<param>withTextMD=true</param>
</module>
<module>
<class>edu.harvard.hul.ois.jhove.module.HtmlModule</class>
<param>withTextMD=true</param>
</module>
<module>
<class>edu.harvard.hul.ois.jhove.module.AsciiModule</class>
<param>withTextMD=true</param>
</module>
<module>
<class>edu.harvard.hul.ois.jhove.module.Utf8Module</class>
<param>withTextMD=true</param>
</module>
</jhoveConfig>
-45
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@@ -1,45 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<jhoveConfig version="1.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://hul.harvard.edu/ois/xml/ns/jhove/jhoveConfig"
xsi:schemaLocation="http://hul.harvard.edu/ois/xml/ns/jhove/jhoveConfig
http://hul.harvard.edu/ois/xml/xsd/jhove/1.4/jhoveConfig.xsd">
<jhoveHome>./jhove/</jhoveHome>
<defaultEncoding>utf-8</defaultEncoding>
<tempDirectory>/var/tmp</tempDirectory>
<bufferSize>131072</bufferSize>
<module>
<class>edu.harvard.hul.ois.jhove.module.AiffModule</class>
</module>
<module>
<class>edu.harvard.hul.ois.jhove.module.WaveModule</class>
</module>
<module>
<class>edu.harvard.hul.ois.jhove.module.PdfModule</class>
</module>
<module>
<class>edu.harvard.hul.ois.jhove.module.Jpeg2000Module</class>
</module>
<module>
<class>edu.harvard.hul.ois.jhove.module.JpegModule</class>
</module>
<module>
<class>edu.harvard.hul.ois.jhove.module.GifModule</class>
</module>
<module>
<class>edu.harvard.hul.ois.jhove.module.TiffModule</class>
</module>
<module>
<class>edu.harvard.hul.ois.jhove.module.XmlModule</class>
<param>schema=http://www.example.com/schema;/home/schemas/exampleschema.xsd</param>
</module>
<module>
<class>edu.harvard.hul.ois.jhove.module.HtmlModule</class>
</module>
<module>
<class>edu.harvard.hul.ois.jhove.module.AsciiModule</class>
</module>
<module>
<class>edu.harvard.hul.ois.jhove.module.Utf8Module</class>
</module>
</jhoveConfig>
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#!/usr/bin/perl
########################################################################
# Jhove - JSTOR/Harvard Object Validation Environment
# Copyright 2004 by JSTOR and the President and Fellows of Harvard College
#
# A Perl script for plugging local path information into the
# various script files of JHOVE, as well as conf/jhove.conf.
#
# This is configured only for Unix (including OS X).
#
# Usage: configure.pl jhove_home_directory [java_home_directory [java_runtime_directory]]
#
# If invoked with no arguments, it will output a usage message.
#
########################################################################
use File::Copy;
sub mung {
my $f = $_[0];
my $bak = $f . "~";
#If there is no backup file, copy the file to the
#backup. Otherwise work from the backup.
if (!(-e $bak)) {
rename ($f, $bak);
}
open (INFILE, $bak);
open (OUTFILE, ">" . $f);
#Walks through each line of file, making substitutions.
#Remember that the JAVA_HOME and JAVA arguments are optional.
while (<INFILE>) {
s/^JHOVE_HOME=.*/JHOVE_HOME=$ARGV[0]/;
if ($narg >= 2) {
s/^JAVA_HOME=.*/JAVA_HOME=$ARGV[1]/;
}
if ($narg >= 3) {
s/^JAVA=.*/JAVA=$ARGV[2]/;
}
print OUTFILE;
}
close (INFILE);
close (OUTFILE);
if (-e $f) {
print ("Fixed " . $f . "\n");
}
}
$narg = $#ARGV + 1;
if ($narg <= 0) {
print "Usage: configure.pl jhove_home_directory [java_home_directory [java_runtime_directory]]\n";
exit;
}
print "JHOVE_HOME will be set to " . $ARGV[0] . "\n";
if ($narg >= 2) {
print "JAVA_HOME will be set to " . $ARGV[1] . "\n";
}
if ($narg >= 3) {
print "JAVA will be set to " . $ARGV[2] . "\n";
}
mung ("jhove");
mung ("adump");
mung ("gdump");
mung ("jdump");
mung ("j2dump");
mung ("pdump");
mung ("tdump");
mung ("wdump");
#Fix up the config file. We assume that the <jhoveHome>
#element is all on one line.
if (!(-e "conf/jhove.conf~")) {
rename ("conf/jhove.conf", "conf/jhove.conf~");
}
open (INFILE, "conf/jhove.conf~");
open (OUTFILE, ">conf/jhove.conf");
while (<INFILE>) {
s!<jhoveHome>.*</jhoveHome>!<jhoveHome>$ARGV[0]</jhoveHome>!;
print OUTFILE;
}
close (INFILE);
close (OUTFILE);
if (-e "conf/jhove.conf") {
print "Fixed conf/jhove.conf\n";
}
exit;
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#!/bin/sh
########################################################################
# gdump - JSTOR/Harvard Object Validation Environment
# Copyright 2004-2005 by the President and Fellows of Harvard College
# JHOVE is made available under the GNU General Public License (see the
# file LICENSE for details)
#
# Driver script for the GIF dump utility
#
# Usage: gdump file
#
# where file is a GIF file
#
# Configuration constants:
JHOVE_HOME=/users/stephen/projects/jhove
JAVA_HOME=/usr/java # Java JRE directory
JAVA=$JAVA_HOME/bin/java # Java interpreter
EXTRA_JARS= # Extra .jar files to add to CLASSPATH
# NOTE: Nothing below this line should be edited
########################################################################
CP=${JHOVE_HOME}/bin/JhoveApp.jar:${EXTRA_JARS}
# Retrieve a copy of all command line arguments to pass to the application.
ARGS=""
for ARG do
ARGS="$ARGS $ARG"
done
# Set the CLASSPATH and invoke the Java loader.
${JAVA} -classpath $CP GDump $ARGS
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#!/bin/sh
########################################################################
# j2dump - JSTOR/Harvard Object Validation Environment
# Copyright 2004-2005 by the President and Fellows of Harvard College
# JHOVE is made available under the GNU General Public License (see the
# file LICENSE for details)
#
# Driver script for the JPEG 2000 dump utility
#
# Usage: j2dump file
#
# where file is a JPEG file
#
# Configuration constants:
JHOVE_HOME=/users/stephen/projects/jhove
JAVA_HOME=/usr/java # Java JRE directory
JAVA=$JAVA_HOME/bin/java # Java interpreter
EXTRA_JARS= # Extra .jar files to add to CLASSPATH
# NOTE: Nothing below this line should be edited
########################################################################
CP=${JHOVE_HOME}/bin/JhoveApp.jar:${EXTRA_JARS}
# Retrieve a copy of all command line arguments to pass to the application.
ARGS=""
for ARG do
ARGS="$ARGS $ARG"
done
# Set the CLASSPATH and invoke the Java loader.
${JAVA} -classpath $CP J2Dump $ARGS
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#!/bin/sh
########################################################################
# jdump - JSTOR/Harvard Object Validation Environment
# Copyright 2004-2005 by the President and Fellows of Harvard College
# JHOVE is made available under the GNU General Public License (see the
# file LICENSE for details)
#
# Driver script for the JPEG dump utility
#
# Usage: jdump file
#
# where file is a JPEG file
#
# Configuration constants:
JHOVE_HOME=/users/stephen/projects/jhove
JAVA_HOME=/usr/java # Java JRE directory
JAVA=$JAVA_HOME/bin/java # Java interpreter
EXTRA_JARS= # Extra .jar files to add to CLASSPATH
# NOTE: Nothing below this line should be edited
########################################################################
CP=${JHOVE_HOME}/bin/JhoveApp.jar:${EXTRA_JARS}
# Retrieve a copy of all command line arguments to pass to the application.
ARGS=""
for ARG do
ARGS="$ARGS $ARG"
done
# Set the CLASSPATH and invoke the Java loader.
${JAVA} -classpath $CP JDump $ARGS
-58
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#!/bin/sh
########################################################################
# JHOVE - JSTOR/Harvard Object Validation Environment
# Copyright 2003-2005 by JSTOR and the President and Fellows of Harvard College
# JHOVE is made available under the GNU General Public License (see the
# file LICENSE for details)
#
# Usage: jhove [-c config] [-m module] [-h handler] [-e encoding] [-H handler]
# [-o output] [-x saxclass] [-t tempdir] [-b bufsize]
# [-l loglevel] [[-krs] dir-file-or-uri [...]]
#
# where -c config Configuration file pathname
# -m module Module name
# -h handler Output handler name (defaults to TEXT)
# -e encoding Character encoding of output handler (defaults to UTF-8)
# -H handler About handler name
# -o output Output file pathname (defaults to standard output)
# -x saxclass SAX parser class (defaults to J2SE 1.4 default)
# -t tempdir Temporary directory in which to create temporary files
# -b bufsize Buffer size for buffered I/O (defaults to J2SE 1.4 default)
# -k Calculate CRC32, MD5, and SHA-1 checksums
# -r Display raw data flags, not textual equivalents
# -s Format identification based on internal signatures only
# dir-file-or-uri Directory, file pathname or URI of formatted content
#
# CHANGE for JHOVE 1.8:
# You no longer have to figure out where JAVA_HOME is; that's the
# operating system's job. If the OS tells you it can't find Java,
# adjust your shell's path or revert to the old way (commented out).
# Configuration constants:
#JHOVE_HOME=/users/gary/dev/jhove
JHOVE_HOME=[fill in path to jhove directory]
JAVA_HOME=/usr/java # Java JRE directory -- change to your local java home
JAVA=$JAVA_HOME/bin/java # Java interpreter -- usually won't need change
#XTRA_JARS=/users/stephen/xercesImpl.jar
EXTRA_JARS= # Extra .jar files to add to CLASSPATH
# NOTE: Nothing below this line should be edited
########################################################################
CP=${JHOVE_HOME}/bin/JhoveApp.jar:${EXTRA_JARS}
# Retrieve a copy of all command line arguments to pass to the application.
ARGS=""
for ARG do
ARGS="$ARGS $ARG"
done
# Set the CLASSPATH and invoke the Java loader.
#{JAVA} -classpath $CP Jhove $ARGS -x org.apache.xerces.parsers.SAXParser
#${JAVA} -classpath $CP Jhove $ARGS
# New way, doesn't require you to use JAVA_HOME.
java -classpath $CP Jhove $ARGS
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#!/bin/sh
########################################################################
# JHOVE - JSTOR/Harvard Object Validation Environment
# Copyright 2003-2004 by JSTOR and the President and Fellows of Harvard College
# JHOVE is made available under the GNU General Public License (see the
# file LICENSE for details)
#
# Copy jhove.tmpl to jhove, and replace the value of JHOVE_HOME with
# the path to your jhove directory.
#
# Usage: jhove [-c config] [-m module [-p param]] [-h handler [-P param]]
# [-e encoding] [-H handler] [-o output] [-x saxclass]
# [-t tempdir] [-b bufsize] [[-krs] dir-file-or-uri [...]]
#
# where -c config Configuration file pathname
# -m module Module name
# -p param Module-specific parameter
# -h handler Output handler name (defaults to TEXT)
# -P param Handler-specific parameter
# -o output Output file pathname (defaults to standard output)
# -x saxclass SAX parser class (defaults to J2SE 1.4 default)
# -t tempdir Temporary directory in which to create temporary files
# -b bufsize Buffer size for buffered I/O (defaults to J2SE 1.4 default)
# -k Calculate CRC32, MD5, and SHA-1 checksums
# -r Display raw data flags, not textual equivalents
# -s Format identification based on internal signatures only
# dir-file-or-uri Directory, file pathname or URI of formatted content
#
# Configuration constants:
JHOVE_HOME=[your directory path]/jhove
JAVA_HOME=/usr/java
JAVA=/usr/bin/java
#XTRA_JARS=/users/stephen/xercesImpl.jar
EXTRA_JARS= # Extra .jar files to add to CLASSPATH
# NOTE: Nothing below this line should be edited
########################################################################
CP=${JHOVE_HOME}/bin/JhoveApp.jar:${EXTRA_JARS}
# Retrieve a copy of all command line arguments to pass to the application.
ARGS=""
for ARG do
ARGS="$ARGS $ARG"
done
# Set the CLASSPATH and invoke the Java loader.
#{JAVA} -classpath $CP Jhove $ARGS -x org.apache.xerces.parsers.SAXParser
${JAVA} -classpath $CP Jhove $ARGS
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@ECHO OFF
REM JHOVE - JSTOR/Harvard Object Validation Environment
REM Copyright 2003-2005 by JSTOR and the President and Fellows of Harvard College
REM JHOVE is made available under the GNU General Public License (see the
REM file LICENSE for details)
REM
REM Usage: jhove [-c config] [-m module] [-h handler] [-e encoding]
REM [-H handler] [-o output] [-x saxclass] [-t tempdir]
REM [-b bufsize] [-l loglevel] [[-krs] dir-file-or-uri [...]]
REM
REM For Windows systems, copy jhove_bat.tmpl to jhove.bat and change
REM the value of JHOVE_HOME to the path to your jhove directory.
REM
REM where -c config Configuration file pathname
REM -m module Module name
REM -h handler Output handler name (defaults to TEXT)
REM -e encoding Character encoding of output handler (defaults to UTF-8)
REM -H handler About handler name
REM -o output Output file pathname (defaults to standard output)
REM -x saxclass SAX parser class (defaults to J2SE 1.4 default)
REM -t tempdir Temporary directory in which to create temporary files
REM -b bufsize Buffer size for buffered I/O (defaults to J2SE default)
REM -l loglevel Logging level
REM -k Calculate CRC32, MD5, and SHA-1 checksums
REM -r Display raw data flags, not textual equivalents
REM -s Format identification based on internal signatures only
REM dir-file-or-uri Directory, file pathname, or URI of formatted content
REM
REM Configuration constants:
REM JHOVE_HOME Jhove installation directory
REM JAVA_HOME Java JRE directory
REM JAVA Java interpreter
REM EXTRA_JARS Extra jar files to add to CLASSPATH
REM SET JHOVE_HOME="C:\Program Files\jhove"
SET JHOVE_HOME="[your directory path]\jhove"
SET JAVA_HOME="C:\Program Files\java\j2re1.4.1_02"
SET JAVA=%JAVA_HOME%\bin\java
SET EXTRA_JARS=
REM NOTE: Nothing below this line should be edited
REM #########################################################################
SET CP=%JHOVE_HOME%\bin\JhoveApp.jar
IF "%EXTRA_JARS%"=="" GOTO FI
SET CP=%CP%:%EXTRA_JARS
:FI
REM Retrieve a copy of all command line arguments to pass to the application
SET ARGS=
:WHILE
IF "%1"=="" GOTO LOOP
SET ARGS=%ARGS% %1
SHIFT
GOTO WHILE
:LOOP
REM Set the CLASSPATH and invoke the Java loader
%JAVA% -classpath %CP% Jhove %ARGS%
Binary file not shown.
Binary file not shown.
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#!/usr/bin/perl -w
# Generate MD5 checksum
use Digest::MD5;
die "usage: md5.pl file\n" if $#ARGV < 0;
open (FILE, "<$ARGV[0]") or die "can't open file\"$ARGV[0]\"!\n";
$ctx = Digest::MD5->new->addfile (*FILE);
close (FILE);
$digest = $ctx->hexdigest;
print "$digest\n";
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#!/bin/sh
#DO NOT RUN THIS ON A DEVELOPEMENT DIRECTORY, ONLY ON A
#CHECKED-OUT COPY TO BE PACKAGED!
if [ "$1" = "" ]; then
echo "Usage: packagejhove.sh [version]"
echo "e.g., packagejhove.sh 1_8"
exit 1
fi
echo "This script will prepare your directory for uploading."
echo "DO NOT RUN IT unless you're a developer and know what"
echo "you are doing. "
echo "Start in the top-level directory of the JHOVE checkout."
echo "Run ant and ant javadoc and do any necessary testing and"
echo "committing before running this script."
echo
echo
echo "To continue, enter the secret phrase."
read OATH
if [ "$OATH" != "I solemnly swear that I am up to no good" ]; then
exit 1
fi
cd ..
cat >>CVSS << EOF
CVS
.cvsignore
EOF
tar cvfX jhove-$1.tar CVSS jhove
gzip jhove-$1.tar
cp -r jhove jhove-zip
cd jhove-zip
find . \( -name CVS -o -name .cvsignore \) -exec rm -r {} \;
cd ..
mv jhove jhove-ok
mv jhove-zip jhove
zip -r jhove-$1.zip jhove
rm -r jhove
mv jhove-ok jhove
jhove/md5.pl jhove-$1.tar.gz >jhove-$1.tar.gz.md5
jhove/md5.pl jhove-$1.zip >jhove-$1.zip.md5
-37
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#!/bin/sh
########################################################################
# pdump - JSTOR/Harvard Object Validation Environment
# Copyright 2003-2005 by JSTOR and the President and Fellows of Harvard College
# JHOVE is made available under the GNU General Public License (see the
# file LICENSE for details)
#
# Driver script for the PDF dump utility
#
# Usage: pdump file
#
# where file is a PDF file
#
# Configuration constants:
JHOVE_HOME=/users/stephen/projects/jhove
JAVA_HOME=/usr/java # Java JRE directory
JAVA=$JAVA_HOME/bin/java # Java interpreter
EXTRA_JARS= # Extra .jar files to add to CLASSPATH
# NOTE: Nothing below this line should be edited
########################################################################
CP=${JHOVE_HOME}/bin/JhoveApp.jar:${EXTRA_JARS}
# Retrieve a copy of all command line arguments to pass to the application.
ARGS=""
for ARG do
ARGS="$ARGS $ARG"
done
# Set the CLASSPATH and invoke the Java loader.
${JAVA} -classpath $CP PDump $ARGS
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#!/bin/sh
########################################################################
# userhome - JSTOR/Harvard Object Validation Environment
# Copyright 2004-2006 by the President and Fellows of Harvard College
# JHOVE is made available under the GNU General Public License (see the
# file LICENSE for details)
#
# Driver script to display the default Java user.home property
#
# Usage: userhome
#
# Configuration constants:
JHOVE_HOME=/users/stephen/projects/jhove
JAVA_HOME=/usr/java # Java JRE directory
JAVA=$JAVA_HOME/bin/java # Java interpreter
# NOTE: Nothing below this line should be edited
########################################################################
# Set the CLASSPATH and invoke the Java loader.
${JAVA} -classpath ${JHOVE_HOME}/classes UserHome
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#####################################################################################
# The following parameters might be changed by the user
#####################################################################################
DEFAULT_DPI=300 # dpi value used as fall back if the page dpi cannot be determined
#####################################################################################
# Do NOT change the following parameters
#####################################################################################
TOOLNAME="OCRmyPDF"
VERSION="v2.0-stable"
# possible exit codes
EXIT_BAD_ARGS="1"
EXIT_BAD_INPUT_FILE="2"
EXIT_MISSING_DEPENDENCY="3"
EXIT_INVALID_OUPUT_PDFA="4"
EXIT_FILE_ACCESS_ERROR="5"
EXIT_OTHER_ERROR="15"
# possible log levels
LOG_ERR="0" # only error messages
LOG_WARN="1" # error messages and warnings
LOG_INFO="2" # error messages, warnings and some infos
LOG_DEBUG="3" # debug level logging
# various paths
SRC="./src" # location of the source folder (except source of external tools like jhove)
OCR_PAGE="$SRC/ocrPage.sh" # path to the script aimed at OCRing one page
JHOVE="./jhove/bin/JhoveApp.jar" # java SW for validating the final PDF/A
JHOVE_CFG="./jhove/conf/jhove.conf" # location of the jhove config file
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#!/usr/local/bin/python2
# coding: utf-8
##############################################################################
# Copyright (c) 2013-14: fritz-hh from Github (https://github.com/fritz-hh)
#
# Copyright (c) 2010: Jonathan Brinley from Github (https://github.com/jbrinley/HocrConverter)
# Initial version by Jonathan Brinley, jonathanbrinley@gmail.com
##############################################################################
from reportlab.pdfgen.canvas import Canvas
from reportlab.pdfgen.pdfimages import PDFImage
from reportlab.lib.units import inch
from lxml import etree as ElementTree
from PIL import Image
import re, sys
import argparse
def monkeypatch_method(cls):
'''
Override a class method at runtime.
Rationale:
https://mail.python.org/pipermail/python-dev/2008-January/076194.html
'''
def decorator(func):
setattr(cls, func.__name__, func)
return func
return decorator
@monkeypatch_method(PDFImage)
def PIL_imagedata(self):
'''
Add ability to output greyscale and 1-bit PIL images without conversion to RGB.
The upstream Python 2.7 version of reportlab converts 1-bit PIL images to RGB
instead of saving them in a lower BPP format. They have since added the following
fix to their Python 3.3 branch, but it has not been back-ported.
https://bitbucket.org/rptlab/reportlab/commits/177ddcbe4df6f9b461dac62612df9b8da3966a5d
'''
image = self.image
if image.format == 'JPEG':
fp = image.fp
fp.seek(0)
return self._jpg_imagedata(fp)
from reportlab.lib.utils import import_zlib
from reportlab import rl_config
from reportlab.pdfbase.pdfutils import _AsciiBase85Encode, _chunker
self.source = 'PIL'
zlib = import_zlib()
if not zlib:
return
bpc = 8
# Use the colorSpace in the image
if image.mode == 'CMYK':
myimage = image
colorSpace = 'DeviceCMYK'
bpp = 4
elif image.mode == '1':
myimage = image
colorSpace = 'DeviceGray'
bpp = 1
bpc = 1
elif image.mode == 'L':
myimage = image
colorSpace = 'DeviceGray'
bpp = 1
else:
myimage = image.convert('RGB')
colorSpace = 'RGB'
bpp = 3
imgwidth, imgheight = myimage.size
# this describes what is in the image itself
# *NB* according to the spec you can only use the short form in inline images
imagedata = ['BI /W %d /H %d /BPC %d /CS /%s /F [%s/Fl] ID' %
(imgwidth, imgheight, bpc, colorSpace, rl_config.useA85 and '/A85 ' or '')]
# use a flate filter and, optionally, Ascii Base 85 to compress
raw = myimage.tostring()
rowstride = (imgwidth * bpc * bpp + 7) / 8
assert len(raw) == rowstride * imgheight, "Wrong amount of data for image"
data = zlib.compress(raw) # this bit is very fast...
if rl_config.useA85:
# ...sadly this may not be
data = _AsciiBase85Encode(data)
# append in blocks of 60 characters
_chunker(data, imagedata)
imagedata.append('EI')
return (imagedata, imgwidth, imgheight)
class hocrTransform():
"""
A class for converting documents from the hOCR format.
For details of the hOCR format, see:
http://docs.google.com/View?docid=dfxcv4vc_67g844kf
"""
def __init__(self, hocrFileName, dpi):
self.dpi = dpi
self.boxPattern = re.compile('bbox((\s+\d+){4})')
self.hocr = ElementTree.ElementTree()
self.hocr.parse(hocrFileName)
# if the hOCR file has a namespace, ElementTree requires its use to find elements
matches = re.match('({.*})html', self.hocr.getroot().tag)
self.xmlns = ''
if matches:
self.xmlns = matches.group(1)
# get dimension in pt (not pixel!!!!) of the OCRed image
self.width, self.height = None, None
for div in self.hocr.findall(".//%sdiv[@class='ocr_page']"%(self.xmlns)):
coords = self.element_coordinates(div)
self.width = self.px2pt(coords[2]-coords[0])
self.height = self.px2pt(coords[3]-coords[1])
break # there shouldn't be more than one, and if there is, we don't want it
# no width and heigh definition in the ocr_image element of the hocr file
if self.width is None:
print("No page dimension found in the hocr file")
sys.exit(1)
def __str__(self):
"""
Return the textual content of the HTML body
"""
if self.hocr is None:
return ''
body = self.hocr.find(".//%sbody"%(self.xmlns))
if body:
return self._get_element_text(body).encode('utf-8') # XML gives unicode
else:
return ''
def _get_element_text(self, element):
"""
Return the textual content of the element and its children
"""
text = ''
if element.text is not None:
text = text + element.text
for child in element.getchildren():
text = text + self._get_element_text(child)
if element.tail is not None:
text = text + element.tail
return text
def element_coordinates(self, element):
"""
Returns a tuple containing the coordinates of the bounding box around
an element
"""
out = (0,0,0,0)
if 'title' in element.attrib:
matches = self.boxPattern.search(element.attrib['title'])
if matches:
coords = matches.group(1).split()
out = (int(coords[0]),int(coords[1]),int(coords[2]),int(coords[3]))
return out
def px2pt(self, pxl):
"""
Returns the length in pt given length in pxl
"""
return float(pxl)/self.dpi*inch
def replace_unsupported_chars(self, str):
"""
Given an input string, returns the corresponding string that:
- is available in the helvetica facetype
- does not contain any ligature (to allow easy search in the PDF file)
"""
# The 'u' before the character to replace indicates that it is a unicode character
str=str.replace(u"","fl")
str=str.replace(u"","fi")
return str
def to_pdf(self, outFileName, imageFileName, showBoundingboxes, fontname="Helvetica"):
"""
Creates a PDF file with an image superimposed on top of the text.
Text is positioned according to the bounding box of the lines in
the hOCR file.
The image need not be identical to the image used to create the hOCR file.
It can have a lower resolution, different color mode, etc.
"""
# create the PDF file
pdf = Canvas(outFileName, pagesize=(self.width, self.height), pageCompression=1) # page size in points (1/72 in.)
# draw bounding box for each paragraph
pdf.setStrokeColorRGB(0,1,1) # light blue for bounding box of paragraph
pdf.setFillColorRGB(0,1,1) # light blue for bounding box of paragraph
pdf.setLineWidth(0) # no line for bounding box
for elem in self.hocr.findall(".//%sp[@class='%s']" % (self.xmlns, "ocr_par")):
elemtxt=self._get_element_text(elem).rstrip()
if len(elemtxt) == 0:
continue
coords = self.element_coordinates(elem)
x1=self.px2pt(coords[0])
y1=self.px2pt(coords[1])
x2=self.px2pt(coords[2])
y2=self.px2pt(coords[3])
# draw the bbox border
if showBoundingboxes == True:
pdf.rect(x1, self.height-y2, x2-x1, y2-y1, fill=1)
# check if element with class 'ocrx_word' are available
# otherwise use 'ocr_line' as fallback
elemclass="ocr_line"
if self.hocr.find(".//%sspan[@class='ocrx_word']" %(self.xmlns)) is not None:
elemclass="ocrx_word"
# itterate all text elements
pdf.setStrokeColorRGB(1,0,0) # light green for bounding box of word/line
pdf.setLineWidth(0.5) # bounding box line width
pdf.setDash(6,3) # bounding box is dashed
pdf.setFillColorRGB(0,0,0) # text in black
for elem in self.hocr.findall(".//%sspan[@class='%s']" % (self.xmlns, elemclass)):
elemtxt=self._get_element_text(elem).rstrip()
elemtxt=self.replace_unsupported_chars(elemtxt)
if len(elemtxt) == 0:
continue
coords = self.element_coordinates(elem)
x1=self.px2pt(coords[0])
y1=self.px2pt(coords[1])
x2=self.px2pt(coords[2])
y2=self.px2pt(coords[3])
# draw the bbox border
if showBoundingboxes == True:
pdf.rect(x1, self.height-y2, x2-x1, y2-y1, fill=0)
text = pdf.beginText()
fontsize=self.px2pt(coords[3]-coords[1])
text.setFont(fontname, fontsize)
# set cursor to bottom left corner of bbox (adjust for dpi)
text.setTextOrigin(x1, self.height-y2)
# scale the width of the text to fill the width of the bbox
text.setHorizScale(100*(x2-x1)/pdf.stringWidth(elemtxt, fontname, fontsize))
# write the text to the page
text.textLine(elemtxt)
pdf.drawText(text)
# put the image on the page, scaled to fill the page
if imageFileName != None:
im = Image.open(imageFileName)
pdf.drawInlineImage(im, 0, 0, width=self.width, height=self.height)
# finish up the page and save it
pdf.showPage()
pdf.save()
if __name__ == "__main__":
parser = argparse.ArgumentParser(description='Convert hocr file to PDF')
parser.add_argument('-b', '--boundingboxes', action="store_true", default=False, help='Show bounding boxes borders')
parser.add_argument('-r', '--resolution', type=int, default=300, help='Resolution of the image that was OCRed')
parser.add_argument('-i', '--image', default=None, help='Path to the image to be placed above the text')
parser.add_argument('hocrfile', help='Path to the hocr file to be parsed')
parser.add_argument('outputfile', help='Path to the PDF file to be generated')
args = parser.parse_args()
hocr = hocrTransform(args.hocrfile, args.resolution)
hocr.to_pdf(args.outputfile, args.image, args.boundingboxes)
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#!/bin/sh
##############################################################################
# Script aimed at OCRing a single page of a PDF file
#
# Copyright (c) 2013-14: fritz-hh from Github (https://github.com/fritz-hh)
##############################################################################
. "./src/config.sh"
# Initialization of variables passed by arguments
FILE_INPUT_PDF="$1" # PDF file containing the page to be OCRed
PAGE_INFO="$2" # Various characteristics of the page to be OCRed
NUM_PAGES="$3" # Total number of page of the PDF file (required for logging)
TMP_FLD="$4" # Folder where the temporary files should be placed
VERBOSITY="$5" # Requested verbosity
LAN="$6" # Language of the file to be OCRed
KEEP_TMP="$7" # Keep the temporary files after processing (helpful for debugging)
PREPROCESS_DESKEW="$8" # Deskew the page to be OCRed
PREPROCESS_CLEAN="$9" # Clean the page to be OCRed
PREPROCESS_CLEANTOPDF="${10}" # Put the cleaned paged in the OCRed PDF
OVERSAMPLING_DPI="${11}" # Oversampling resolution in dpi
PDF_NOIMG="${12}" # Request to generate also a PDF page containing only the OCRed text but no image (helpful for debugging)
TESS_CFG_FILES="${13}" # Specific configuration files to be used by Tesseract during OCRing
FORCE_OCR="${14}" # Force to OCR, even if the page already contains fonts
##################################
# Detect the characteristics of the embedded image for
# the page number provided as parameter
#
# Param 1: page number
# Param 2: PDF page width in pt
# Param 3: PDF page height in pt
# Param 4: temporary file path (Path of the file in which the output should be written)
# Output: A file containing the characteristics of the embedded image. File structure:
# DPI=<dpi>
# COLOR_SPACE=<colorspace>
# DEPTH=<colordepth>
# Returns:
# - 0: if no error occurs
# - 1: in case the page already contains fonts (which should be the case for PDF generated from scanned pages)
# - 2: in case the page contains more than one image
##################################
getImgInfo() {
local page widthPDF heightPDF curImgInfo nbImg curImg propCurImg widthCurImg heightCurImg colorspaceCurImg depthCurImg dpi
# page number
page="$1"
# width / height of PDF page (in pt)
widthPDF="$2"
heightPDF="$3"
# path of the file in which the output should be written
curImgInfo="$4"
[ $VERBOSITY -ge $LOG_DEBUG ] && echo "Page $page: Size ${heightPDF}x${widthPDF} (h*w in pt)"
# check if the page already contains fonts (which should not be the case for PDF based on scanned files
[ `pdffonts -f $page -l $page "${FILE_INPUT_PDF}" | wc -l` -gt 2 ] && echo "Page $page: Page already contains font data !!!" && return 1
# extract raw image from pdf file to compute resolution
# unfortunately this image can have another orientation than in the pdf...
# so we will have to extract it again later using pdftoppm
pdfimages -f $page -l $page -j "$FILE_INPUT_PDF" "$curOrigImg" 1>&2
# count number of extracted images
nbImg=$((`ls -1 "$curOrigImg"* 2>/dev/null | wc -l`))
if [ $nbImg -ne "1" ]; then
[ $VERBOSITY -ge $LOG_WARN ] && echo "Page $page: Expecting exactly 1 image covering the whole page (found $nbImg). Cannot compute dpi value."
return 2
fi
# Get characteristics of the extracted image
curImg=`ls -1 "$curOrigImg"* 2>/dev/null`
propCurImg=`identify -format "%w %h %[colorspace] %[depth]" "$curImg"`
widthCurImg=`echo "$propCurImg" | cut -f1 -d" "`
heightCurImg=`echo "$propCurImg" | cut -f2 -d" "`
colorspaceCurImg=`echo "$propCurImg" | cut -f3 -d" "`
depthCurImg=`echo "$propCurImg" | cut -f4 -d" "`
[ $VERBOSITY -ge $LOG_DEBUG ] && echo "Page $page: Size ${heightCurImg}x${widthCurImg} (in pixel)"
# compute the resolution of the image (making the assumption that x & y resolution are equal)
# and round it to the nearest integer
dpi=`echo "scale=5;sqrt($widthCurImg*72*$heightCurImg*72/$widthPDF/$heightPDF)+0.5" | bc`
dpi=`echo "scale=0;$dpi/1" | bc`
# save the image characteristics
echo "DPI=$dpi" > "$curImgInfo"
echo "COLOR_SPACE=$colorspaceCurImg" >> "$curImgInfo"
echo "DEPTH=$depthCurImg" >> "$curImgInfo"
return 0
}
page=`echo $PAGE_INFO | cut -f1 -d" "`
[ $VERBOSITY -ge $LOG_INFO ] && echo "Processing page $page / $NUM_PAGES"
# get width / height of PDF page (in pt)
widthPDF=`echo $PAGE_INFO | cut -f2 -d" "`
heightPDF=`echo $PAGE_INFO | cut -f3 -d" "`
# create the name of the required temporary files
curOrigImg="$TMP_FLD/${page}.orig-img" # original image available in the current PDF page
# (the image file may have a different orientation than in the pdf file)
curHocr="$TMP_FLD/${page}.hocr" # hocr file to be generated by the OCR SW for the current page
curOCRedPDF="$TMP_FLD/${page}.ocred.pdf" # PDF file containing the image + the OCRed text for the current page
curOCRedPDFDebug="$TMP_FLD/${page}.ocred.todebug.pdf" # PDF file containing data required to find out if OCR worked correctly
curImgInfo="$TMP_FLD/${page}.orig-img-info.txt" # Detected characteristics of the embedded image
# auto-detect the characteristics of the embedded image
depthCurImg="8" # default color depth
colorspaceCurImg="sRGB" # default color space
dpi=$DEFAULT_DPI # default resolution
getImgInfo "$page" "$widthPDF" "$heightPDF" "$curImgInfo"
ret_code="$?"
# in case the page contains text do not OCR, unless the FORCE_OCR flag is set
if ([ "$ret_code" -eq "1" ] && [ "$FORCE_OCR" -eq "0" ]); then
echo "Page $page: Exiting... (Use the -f option to force OCRing, even though fonts are available in the input file)" && exit $EXIT_BAD_INPUT_FILE
elif ([ "$ret_code" -eq "1" ] && [ "$FORCE_OCR" -eq "1" ]); then
[ $VERBOSITY -ge $LOG_WARN ] && echo "Page $page: OCRing anyway, assuming a default resolution of $dpi dpi"
# in case the page contains more than one image, warn the user but go on with default parameters
elif [ "$ret_code" -eq "2" ]; then
[ $VERBOSITY -ge $LOG_WARN ] && echo "Page $page: Continuing anyway, assuming a default resolution of $dpi dpi"
else
# read the image characteristics from the file
dpi=`cat "$curImgInfo" | grep "^DPI=" | cut -f2 -d"="`
colorspaceCurImg=`cat "$curImgInfo" | grep "^COLOR_SPACE=" | cut -f2 -d"="`
depthCurImg=`cat "$curImgInfo" | grep "^DEPTH=" | cut -f2 -d"="`
fi
# perform oversampling if the resolution is not sufficient to get good OCR results
if [ "$dpi" -lt "$OVERSAMPLING_DPI" ]; then
[ $VERBOSITY -ge $LOG_WARN ] && echo "Page $page: Low image resolution detected ($dpi dpi). Performing oversampling ($OVERSAMPLING_DPI dpi) to try to get better OCR results."
dpi="$OVERSAMPLING_DPI"
elif [ "$dpi" -lt "200" ]; then
[ $VERBOSITY -ge $LOG_WARN ] && echo "Page $page: Low image resolution detected ($dpi dpi). If needed, please use the \"-o\" to try to get better OCR results."
fi
# Identify if page image should be saved as ppm (color), pgm (gray) or pbm (b&w)
ext="ppm" # by default (color image) the extension of the extracted image is ppm
opt="" # by default (color image) no option as to be passed to pdftoppm
if [ "$colorspaceCurImg" = "Gray" ] && [ "$depthCurImg" = "1" ]; then # if monochrome (b&w)
ext="pbm"
opt="-mono"
elif [ "$colorspaceCurImg" = "Gray" ]; then # if gray
ext="pgm"
opt="-gray"
fi
curImgPixmap="$TMP_FLD/$page.$ext"
curImgPixmapDeskewed="$TMP_FLD/$page.deskewed.$ext"
curImgPixmapClean="$TMP_FLD/$page.cleaned.$ext"
# extract current page as image with correct orientation and resolution
[ $VERBOSITY -ge $LOG_DEBUG ] && echo "Page $page: Extracting image as $ext file (${dpi} dpi)"
! pdftoppm -f $page -l $page -r $dpi $opt "$FILE_INPUT_PDF" > "$curImgPixmap" \
&& echo "Could not extract page $page as $ext from \"$FILE_INPUT_PDF\". Exiting..." && exit $EXIT_OTHER_ERROR
# if requested deskew image (without changing its size in pixel)
widthCurImg=$(($dpi*$widthPDF/72))
heightCurImg=$(($dpi*$heightPDF/72))
if [ "$PREPROCESS_DESKEW" -eq "1" ]; then
[ $VERBOSITY -ge $LOG_DEBUG ] && echo "Page $page: Deskewing image"
! convert "$curImgPixmap" -deskew 40% -gravity center -extent ${widthCurImg}x${heightCurImg} "$curImgPixmapDeskewed" \
&& echo "Could not deskew \"$curImgPixmap\". Exiting..." && exit $EXIT_OTHER_ERROR
else
ln -s `basename "$curImgPixmap"` "$curImgPixmapDeskewed"
fi
# if requested clean image with unpaper to get better OCR results
if [ "$PREPROCESS_CLEAN" -eq "1" ]; then
[ $VERBOSITY -ge $LOG_DEBUG ] && echo "Page $page: Cleaning image with unpaper"
! unpaper --dpi $dpi --mask-scan-size 100 \
--no-deskew --no-grayfilter --no-blackfilter --no-mask-center --no-border-align \
"$curImgPixmapDeskewed" "$curImgPixmapClean" 1> /dev/null \
&& echo "Could not clean \"$curImgPixmapDeskewed\". Exiting..." && exit $EXIT_OTHER_ERROR
else
ln -s `basename "$curImgPixmapDeskewed"` "$curImgPixmapClean"
fi
# perform OCR
[ $VERBOSITY -ge $LOG_DEBUG ] && echo "Page $page: Performing OCR"
! tesseract -l "$LAN" "$curImgPixmapClean" "$curHocr" hocr $TESS_CFG_FILES 1> /dev/null 2> /dev/null \
&& echo "Could not OCR file \"$curImgPixmapClean\". Exiting..." && exit $EXIT_OTHER_ERROR
mv "$curHocr.html" "$curHocr"
# embed text and image to new pdf file
if [ "$PREPROCESS_CLEANTOPDF" -eq "1" ]; then
image4finalPDF="$curImgPixmapClean"
else
image4finalPDF="$curImgPixmapDeskewed"
fi
[ $VERBOSITY -ge $LOG_DEBUG ] && echo "Page $page: Embedding text in PDF"
! python2 $SRC/hocrTransform.py -r $dpi -i "$image4finalPDF" "$curHocr" "$curOCRedPDF" \
&& echo "Could not create PDF file from \"$curHocr\". Exiting..." && exit $EXIT_OTHER_ERROR
# if requested generate special debug PDF page with visible OCR text
if [ $PDF_NOIMG -eq "1" ] ; then
[ $VERBOSITY -ge $LOG_DEBUG ] && echo "Page $page: Embedding text in PDF (debug page)"
! python2 $SRC/hocrTransform.py -b -r $dpi "$curHocr" "$curOCRedPDFDebug" \
&& echo "Could not create PDF file from \"$curHocr\". Exiting..." && exit $EXIT_OTHER_ERROR
fi
# delete temporary files created for the current page
# to avoid using to much disk space in case of PDF files having many pages
if [ $KEEP_TMP -eq 0 ]; then
rm -f "$curOrigImg"*
rm -f "$curHocr"
rm -f "$curImgPixmap"
rm -f "$curImgPixmapDeskewed"
rm -f "$curImgPixmapClean"
rm -f "$curImgInfo"
fi
exit 0
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#!/bin/sh
#
# Perform OCR several times in order to find how quicly the quality decreases
cpt=1
while [ $cpt -le 10 ] ; do
echo "------- Itteration $cpt ---------"
! ../../OCRmyPDF.sh -vv -l deu -k ../../tmp/ocred-$(($cpt-1)).pdf ../../tmp/ocred-$cpt.pdf && exit 1
cpt=$(($cpt+1))
done
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Note
====
The file(s) located in this folder are aimed at testing the OCRmyPDF script
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#! /bin/bash
set -x
set -e
chmod +x OCRmyPDF*.AppImage
# run OCRmyPDF to test if the AppImage can ocr a test file
run_appimage()
{
echo ""
./OCRmyPDF*.AppImage --help
echo ""
./OCRmyPDF*.AppImage --list-programs
echo ""
./OCRmyPDF*.AppImage --list-licenses
echo ""
./OCRmyPDF*.AppImage ocrmypdf -l deu -s -d --jbig2-lossy --optimize 1 "$TRAVIS_BUILD_DIR"/test/test.pdf output.pdf
echo ""
}
# check AppImage for common issues
run_appimagelint()
{
wget https://github.com/TheAssassin/appimagelint/releases/download/continuous/appimagelint-x86_64.AppImage
chmod +x appimagelint-x86_64.AppImage
./appimagelint-x86_64.AppImage OCRmyPDF*.AppImage
}
# extract the OCRmyPDF AppImage, install pytest & test requirements and run pytest
run_pytest()
{
git clone --depth=1 --branch "v$OCRMYPDF_VERSION" https://github.com/jbarlow83/OCRmyPDF.git
./OCRmyPDF*.AppImage --appimage-extract
pushd squashfs-root
./AppRun python3 -m pip install pytest
./AppRun python3 -m pip install -r ../OCRmyPDF/requirements/test.txt
./AppRun python3 -m pytest ../OCRmyPDF -n auto
popd
}
run_appimage
run_appimagelint
# run_pytest
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