pierre/PDFFiligrane
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Pierre HUBERT 2024-03-15 23:27:58 +01:00
commit 6df8285dac
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target/
.idea
!.mvn/wrapper/maven-wrapper.jar
!**/src/main/**/target/
!**/src/test/**/target/
### IntelliJ IDEA ###
.idea/modules.xml
.idea/jarRepositories.xml
.idea/compiler.xml
.idea/libraries/
*.iws
*.iml
*.ipr
### Eclipse ###
.apt_generated
.classpath
.factorypath
.project
.settings
.springBeans
.sts4-cache
### NetBeans ###
/nbproject/private/
/nbbuild/
/dist/
/nbdist/
/.nb-gradle/
build/
!**/src/main/**/build/
!**/src/test/**/build/
### VS Code ###
.vscode/
### Mac OS ###
.DS_Store

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.mvn/wrapper/maven-wrapper.jar vendored Normal file
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.mvn/wrapper/maven-wrapper.properties vendored Normal file
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# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.6.3/apache-maven-3.6.3-bin.zip
wrapperUrl=https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.2.0/maven-wrapper-3.2.0.jar

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# PDF filigrane
Append a filigrane to your official document.
Inspired from source code of https://filigrane.beta.gouv.fr/
Compile with:
```bash
./mvnw clean compile assembly:single
```
Usage:
```bash
java -jar target/pdf_filigrane-1.0-SNAPSHOT-jar-with-dependencies.jar [dest] [watermak] [input1]
```

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#!/bin/sh
# ----------------------------------------------------------------------------
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
# ----------------------------------------------------------------------------
# ----------------------------------------------------------------------------
# Apache Maven Wrapper startup batch script, version 3.2.0
#
# Required ENV vars:
# ------------------
# JAVA_HOME - location of a JDK home dir
#
# Optional ENV vars
# -----------------
# MAVEN_OPTS - parameters passed to the Java VM when running Maven
# e.g. to debug Maven itself, use
# set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
# MAVEN_SKIP_RC - flag to disable loading of mavenrc files
# ----------------------------------------------------------------------------
if [ -z "$MAVEN_SKIP_RC" ] ; then
if [ -f /usr/local/etc/mavenrc ] ; then
. /usr/local/etc/mavenrc
fi
if [ -f /etc/mavenrc ] ; then
. /etc/mavenrc
fi
if [ -f "$HOME/.mavenrc" ] ; then
. "$HOME/.mavenrc"
fi
fi
# OS specific support. $var _must_ be set to either true or false.
cygwin=false;
darwin=false;
mingw=false
case "$(uname)" in
CYGWIN*) cygwin=true ;;
MINGW*) mingw=true;;
Darwin*) darwin=true
# Use /usr/libexec/java_home if available, otherwise fall back to /Library/Java/Home
# See https://developer.apple.com/library/mac/qa/qa1170/_index.html
if [ -z "$JAVA_HOME" ]; then
if [ -x "/usr/libexec/java_home" ]; then
JAVA_HOME="$(/usr/libexec/java_home)"; export JAVA_HOME
else
JAVA_HOME="/Library/Java/Home"; export JAVA_HOME
fi
fi
;;
esac
if [ -z "$JAVA_HOME" ] ; then
if [ -r /etc/gentoo-release ] ; then
JAVA_HOME=$(java-config --jre-home)
fi
fi
# For Cygwin, ensure paths are in UNIX format before anything is touched
if $cygwin ; then
[ -n "$JAVA_HOME" ] &&
JAVA_HOME=$(cygpath --unix "$JAVA_HOME")
[ -n "$CLASSPATH" ] &&
CLASSPATH=$(cygpath --path --unix "$CLASSPATH")
fi
# For Mingw, ensure paths are in UNIX format before anything is touched
if $mingw ; then
[ -n "$JAVA_HOME" ] && [ -d "$JAVA_HOME" ] &&
JAVA_HOME="$(cd "$JAVA_HOME" || (echo "cannot cd into $JAVA_HOME."; exit 1); pwd)"
fi
if [ -z "$JAVA_HOME" ]; then
javaExecutable="$(which javac)"
if [ -n "$javaExecutable" ] && ! [ "$(expr "\"$javaExecutable\"" : '\([^ ]*\)')" = "no" ]; then
# readlink(1) is not available as standard on Solaris 10.
readLink=$(which readlink)
if [ ! "$(expr "$readLink" : '\([^ ]*\)')" = "no" ]; then
if $darwin ; then
javaHome="$(dirname "\"$javaExecutable\"")"
javaExecutable="$(cd "\"$javaHome\"" && pwd -P)/javac"
else
javaExecutable="$(readlink -f "\"$javaExecutable\"")"
fi
javaHome="$(dirname "\"$javaExecutable\"")"
javaHome=$(expr "$javaHome" : '\(.*\)/bin')
JAVA_HOME="$javaHome"
export JAVA_HOME
fi
fi
fi
if [ -z "$JAVACMD" ] ; then
if [ -n "$JAVA_HOME" ] ; then
if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
# IBM's JDK on AIX uses strange locations for the executables
JAVACMD="$JAVA_HOME/jre/sh/java"
else
JAVACMD="$JAVA_HOME/bin/java"
fi
else
JAVACMD="$(\unset -f command 2>/dev/null; \command -v java)"
fi
fi
if [ ! -x "$JAVACMD" ] ; then
echo "Error: JAVA_HOME is not defined correctly." >&2
echo " We cannot execute $JAVACMD" >&2
exit 1
fi
if [ -z "$JAVA_HOME" ] ; then
echo "Warning: JAVA_HOME environment variable is not set."
fi
# traverses directory structure from process work directory to filesystem root
# first directory with .mvn subdirectory is considered project base directory
find_maven_basedir() {
if [ -z "$1" ]
then
echo "Path not specified to find_maven_basedir"
return 1
fi
basedir="$1"
wdir="$1"
while [ "$wdir" != '/' ] ; do
if [ -d "$wdir"/.mvn ] ; then
basedir=$wdir
break
fi
# workaround for JBEAP-8937 (on Solaris 10/Sparc)
if [ -d "${wdir}" ]; then
wdir=$(cd "$wdir/.." || exit 1; pwd)
fi
# end of workaround
done
printf '%s' "$(cd "$basedir" || exit 1; pwd)"
}
# concatenates all lines of a file
concat_lines() {
if [ -f "$1" ]; then
# Remove \r in case we run on Windows within Git Bash
# and check out the repository with auto CRLF management
# enabled. Otherwise, we may read lines that are delimited with
# \r\n and produce $'-Xarg\r' rather than -Xarg due to word
# splitting rules.
tr -s '\r\n' ' ' < "$1"
fi
}
log() {
if [ "$MVNW_VERBOSE" = true ]; then
printf '%s\n' "$1"
fi
}
BASE_DIR=$(find_maven_basedir "$(dirname "$0")")
if [ -z "$BASE_DIR" ]; then
exit 1;
fi
MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:-"$BASE_DIR"}; export MAVEN_PROJECTBASEDIR
log "$MAVEN_PROJECTBASEDIR"
##########################################################################################
# Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
# This allows using the maven wrapper in projects that prohibit checking in binary data.
##########################################################################################
wrapperJarPath="$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar"
if [ -r "$wrapperJarPath" ]; then
log "Found $wrapperJarPath"
else
log "Couldn't find $wrapperJarPath, downloading it ..."
if [ -n "$MVNW_REPOURL" ]; then
wrapperUrl="$MVNW_REPOURL/org/apache/maven/wrapper/maven-wrapper/3.2.0/maven-wrapper-3.2.0.jar"
else
wrapperUrl="https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.2.0/maven-wrapper-3.2.0.jar"
fi
while IFS="=" read -r key value; do
# Remove '\r' from value to allow usage on windows as IFS does not consider '\r' as a separator ( considers space, tab, new line ('\n'), and custom '=' )
safeValue=$(echo "$value" | tr -d '\r')
case "$key" in (wrapperUrl) wrapperUrl="$safeValue"; break ;;
esac
done < "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.properties"
log "Downloading from: $wrapperUrl"
if $cygwin; then
wrapperJarPath=$(cygpath --path --windows "$wrapperJarPath")
fi
if command -v wget > /dev/null; then
log "Found wget ... using wget"
[ "$MVNW_VERBOSE" = true ] && QUIET="" || QUIET="--quiet"
if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then
wget $QUIET "$wrapperUrl" -O "$wrapperJarPath" || rm -f "$wrapperJarPath"
else
wget $QUIET --http-user="$MVNW_USERNAME" --http-password="$MVNW_PASSWORD" "$wrapperUrl" -O "$wrapperJarPath" || rm -f "$wrapperJarPath"
fi
elif command -v curl > /dev/null; then
log "Found curl ... using curl"
[ "$MVNW_VERBOSE" = true ] && QUIET="" || QUIET="--silent"
if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then
curl $QUIET -o "$wrapperJarPath" "$wrapperUrl" -f -L || rm -f "$wrapperJarPath"
else
curl $QUIET --user "$MVNW_USERNAME:$MVNW_PASSWORD" -o "$wrapperJarPath" "$wrapperUrl" -f -L || rm -f "$wrapperJarPath"
fi
else
log "Falling back to using Java to download"
javaSource="$MAVEN_PROJECTBASEDIR/.mvn/wrapper/MavenWrapperDownloader.java"
javaClass="$MAVEN_PROJECTBASEDIR/.mvn/wrapper/MavenWrapperDownloader.class"
# For Cygwin, switch paths to Windows format before running javac
if $cygwin; then
javaSource=$(cygpath --path --windows "$javaSource")
javaClass=$(cygpath --path --windows "$javaClass")
fi
if [ -e "$javaSource" ]; then
if [ ! -e "$javaClass" ]; then
log " - Compiling MavenWrapperDownloader.java ..."
("$JAVA_HOME/bin/javac" "$javaSource")
fi
if [ -e "$javaClass" ]; then
log " - Running MavenWrapperDownloader.java ..."
("$JAVA_HOME/bin/java" -cp .mvn/wrapper MavenWrapperDownloader "$wrapperUrl" "$wrapperJarPath") || rm -f "$wrapperJarPath"
fi
fi
fi
fi
##########################################################################################
# End of extension
##########################################################################################
# If specified, validate the SHA-256 sum of the Maven wrapper jar file
wrapperSha256Sum=""
while IFS="=" read -r key value; do
case "$key" in (wrapperSha256Sum) wrapperSha256Sum=$value; break ;;
esac
done < "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.properties"
if [ -n "$wrapperSha256Sum" ]; then
wrapperSha256Result=false
if command -v sha256sum > /dev/null; then
if echo "$wrapperSha256Sum $wrapperJarPath" | sha256sum -c > /dev/null 2>&1; then
wrapperSha256Result=true
fi
elif command -v shasum > /dev/null; then
if echo "$wrapperSha256Sum $wrapperJarPath" | shasum -a 256 -c > /dev/null 2>&1; then
wrapperSha256Result=true
fi
else
echo "Checksum validation was requested but neither 'sha256sum' or 'shasum' are available."
echo "Please install either command, or disable validation by removing 'wrapperSha256Sum' from your maven-wrapper.properties."
exit 1
fi
if [ $wrapperSha256Result = false ]; then
echo "Error: Failed to validate Maven wrapper SHA-256, your Maven wrapper might be compromised." >&2
echo "Investigate or delete $wrapperJarPath to attempt a clean download." >&2
echo "If you updated your Maven version, you need to update the specified wrapperSha256Sum property." >&2
exit 1
fi
fi
MAVEN_OPTS="$(concat_lines "$MAVEN_PROJECTBASEDIR/.mvn/jvm.config") $MAVEN_OPTS"
# For Cygwin, switch paths to Windows format before running java
if $cygwin; then
[ -n "$JAVA_HOME" ] &&
JAVA_HOME=$(cygpath --path --windows "$JAVA_HOME")
[ -n "$CLASSPATH" ] &&
CLASSPATH=$(cygpath --path --windows "$CLASSPATH")
[ -n "$MAVEN_PROJECTBASEDIR" ] &&
MAVEN_PROJECTBASEDIR=$(cygpath --path --windows "$MAVEN_PROJECTBASEDIR")
fi
# Provide a "standardized" way to retrieve the CLI args that will
# work with both Windows and non-Windows executions.
MAVEN_CMD_LINE_ARGS="$MAVEN_CONFIG $*"
export MAVEN_CMD_LINE_ARGS
WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
# shellcheck disable=SC2086 # safe args
exec "$JAVACMD" \
$MAVEN_OPTS \
$MAVEN_DEBUG_OPTS \
-classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \
"-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \
${WRAPPER_LAUNCHER} $MAVEN_CONFIG "$@"

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@REM ----------------------------------------------------------------------------
@REM Licensed to the Apache Software Foundation (ASF) under one
@REM or more contributor license agreements. See the NOTICE file
@REM distributed with this work for additional information
@REM regarding copyright ownership. The ASF licenses this file
@REM to you under the Apache License, Version 2.0 (the
@REM "License"); you may not use this file except in compliance
@REM with the License. You may obtain a copy of the License at
@REM
@REM http://www.apache.org/licenses/LICENSE-2.0
@REM
@REM Unless required by applicable law or agreed to in writing,
@REM software distributed under the License is distributed on an
@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
@REM KIND, either express or implied. See the License for the
@REM specific language governing permissions and limitations
@REM under the License.
@REM ----------------------------------------------------------------------------
@REM ----------------------------------------------------------------------------
@REM Apache Maven Wrapper startup batch script, version 3.2.0
@REM
@REM Required ENV vars:
@REM JAVA_HOME - location of a JDK home dir
@REM
@REM Optional ENV vars
@REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands
@REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a keystroke before ending
@REM MAVEN_OPTS - parameters passed to the Java VM when running Maven
@REM e.g. to debug Maven itself, use
@REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
@REM MAVEN_SKIP_RC - flag to disable loading of mavenrc files
@REM ----------------------------------------------------------------------------
@REM Begin all REM lines with '@' in case MAVEN_BATCH_ECHO is 'on'
@echo off
@REM set title of command window
title %0
@REM enable echoing by setting MAVEN_BATCH_ECHO to 'on'
@if "%MAVEN_BATCH_ECHO%" == "on" echo %MAVEN_BATCH_ECHO%
@REM set %HOME% to equivalent of $HOME
if "%HOME%" == "" (set "HOME=%HOMEDRIVE%%HOMEPATH%")
@REM Execute a user defined script before this one
if not "%MAVEN_SKIP_RC%" == "" goto skipRcPre
@REM check for pre script, once with legacy .bat ending and once with .cmd ending
if exist "%USERPROFILE%\mavenrc_pre.bat" call "%USERPROFILE%\mavenrc_pre.bat" %*
if exist "%USERPROFILE%\mavenrc_pre.cmd" call "%USERPROFILE%\mavenrc_pre.cmd" %*
:skipRcPre
@setlocal
set ERROR_CODE=0
@REM To isolate internal variables from possible post scripts, we use another setlocal
@setlocal
@REM ==== START VALIDATION ====
if not "%JAVA_HOME%" == "" goto OkJHome
echo.
echo Error: JAVA_HOME not found in your environment. >&2
echo Please set the JAVA_HOME variable in your environment to match the >&2
echo location of your Java installation. >&2
echo.
goto error
:OkJHome
if exist "%JAVA_HOME%\bin\java.exe" goto init
echo.
echo Error: JAVA_HOME is set to an invalid directory. >&2
echo JAVA_HOME = "%JAVA_HOME%" >&2
echo Please set the JAVA_HOME variable in your environment to match the >&2
echo location of your Java installation. >&2
echo.
goto error
@REM ==== END VALIDATION ====
:init
@REM Find the project base dir, i.e. the directory that contains the folder ".mvn".
@REM Fallback to current working directory if not found.
set MAVEN_PROJECTBASEDIR=%MAVEN_BASEDIR%
IF NOT "%MAVEN_PROJECTBASEDIR%"=="" goto endDetectBaseDir
set EXEC_DIR=%CD%
set WDIR=%EXEC_DIR%
:findBaseDir
IF EXIST "%WDIR%"\.mvn goto baseDirFound
cd ..
IF "%WDIR%"=="%CD%" goto baseDirNotFound
set WDIR=%CD%
goto findBaseDir
:baseDirFound
set MAVEN_PROJECTBASEDIR=%WDIR%
cd "%EXEC_DIR%"
goto endDetectBaseDir
:baseDirNotFound
set MAVEN_PROJECTBASEDIR=%EXEC_DIR%
cd "%EXEC_DIR%"
:endDetectBaseDir
IF NOT EXIST "%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config" goto endReadAdditionalConfig
@setlocal EnableExtensions EnableDelayedExpansion
for /F "usebackq delims=" %%a in ("%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config") do set JVM_CONFIG_MAVEN_PROPS=!JVM_CONFIG_MAVEN_PROPS! %%a
@endlocal & set JVM_CONFIG_MAVEN_PROPS=%JVM_CONFIG_MAVEN_PROPS%
:endReadAdditionalConfig
SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe"
set WRAPPER_JAR="%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.jar"
set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
set WRAPPER_URL="https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.2.0/maven-wrapper-3.2.0.jar"
FOR /F "usebackq tokens=1,2 delims==" %%A IN ("%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties") DO (
IF "%%A"=="wrapperUrl" SET WRAPPER_URL=%%B
)
@REM Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
@REM This allows using the maven wrapper in projects that prohibit checking in binary data.
if exist %WRAPPER_JAR% (
if "%MVNW_VERBOSE%" == "true" (
echo Found %WRAPPER_JAR%
)
) else (
if not "%MVNW_REPOURL%" == "" (
SET WRAPPER_URL="%MVNW_REPOURL%/org/apache/maven/wrapper/maven-wrapper/3.2.0/maven-wrapper-3.2.0.jar"
)
if "%MVNW_VERBOSE%" == "true" (
echo Couldn't find %WRAPPER_JAR%, downloading it ...
echo Downloading from: %WRAPPER_URL%
)
powershell -Command "&{"^
"$webclient = new-object System.Net.WebClient;"^
"if (-not ([string]::IsNullOrEmpty('%MVNW_USERNAME%') -and [string]::IsNullOrEmpty('%MVNW_PASSWORD%'))) {"^
"$webclient.Credentials = new-object System.Net.NetworkCredential('%MVNW_USERNAME%', '%MVNW_PASSWORD%');"^
"}"^
"[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; $webclient.DownloadFile('%WRAPPER_URL%', '%WRAPPER_JAR%')"^
"}"
if "%MVNW_VERBOSE%" == "true" (
echo Finished downloading %WRAPPER_JAR%
)
)
@REM End of extension
@REM If specified, validate the SHA-256 sum of the Maven wrapper jar file
SET WRAPPER_SHA_256_SUM=""
FOR /F "usebackq tokens=1,2 delims==" %%A IN ("%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties") DO (
IF "%%A"=="wrapperSha256Sum" SET WRAPPER_SHA_256_SUM=%%B
)
IF NOT %WRAPPER_SHA_256_SUM%=="" (
powershell -Command "&{"^
"$hash = (Get-FileHash \"%WRAPPER_JAR%\" -Algorithm SHA256).Hash.ToLower();"^
"If('%WRAPPER_SHA_256_SUM%' -ne $hash){"^
" Write-Output 'Error: Failed to validate Maven wrapper SHA-256, your Maven wrapper might be compromised.';"^
" Write-Output 'Investigate or delete %WRAPPER_JAR% to attempt a clean download.';"^
" Write-Output 'If you updated your Maven version, you need to update the specified wrapperSha256Sum property.';"^
" exit 1;"^
"}"^
"}"
if ERRORLEVEL 1 goto error
)
@REM Provide a "standardized" way to retrieve the CLI args that will
@REM work with both Windows and non-Windows executions.
set MAVEN_CMD_LINE_ARGS=%*
%MAVEN_JAVA_EXE% ^
%JVM_CONFIG_MAVEN_PROPS% ^
%MAVEN_OPTS% ^
%MAVEN_DEBUG_OPTS% ^
-classpath %WRAPPER_JAR% ^
"-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" ^
%WRAPPER_LAUNCHER% %MAVEN_CONFIG% %*
if ERRORLEVEL 1 goto error
goto end
:error
set ERROR_CODE=1
:end
@endlocal & set ERROR_CODE=%ERROR_CODE%
if not "%MAVEN_SKIP_RC%"=="" goto skipRcPost
@REM check for post script, once with legacy .bat ending and once with .cmd ending
if exist "%USERPROFILE%\mavenrc_post.bat" call "%USERPROFILE%\mavenrc_post.bat"
if exist "%USERPROFILE%\mavenrc_post.cmd" call "%USERPROFILE%\mavenrc_post.cmd"
:skipRcPost
@REM pause the script if MAVEN_BATCH_PAUSE is set to 'on'
if "%MAVEN_BATCH_PAUSE%"=="on" pause
if "%MAVEN_TERMINATE_CMD%"=="on" exit %ERROR_CODE%
cmd /C exit /B %ERROR_CODE%

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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>org.example</groupId>
<artifactId>pdf_filigrane</artifactId>
<version>1.0-SNAPSHOT</version>
<properties>
<maven.compiler.source>17</maven.compiler.source>
<maven.compiler.target>17</maven.compiler.target>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<imageio.version>3.9.4</imageio.version>
<pdfbox.tools.version>3.0.0</pdfbox.tools.version>
</properties>
<dependencies>
<dependency>
<groupId>com.drewnoakes</groupId>
<artifactId>metadata-extractor</artifactId>
<version>2.18.0</version>
</dependency>
<dependency>
<groupId>org.apache.pdfbox</groupId>
<artifactId>pdfbox</artifactId>
<version>${pdfbox.tools.version}</version>
</dependency>
<dependency>
<groupId>org.apache.pdfbox</groupId>
<artifactId>pdfbox-tools</artifactId>
<version>${pdfbox.tools.version}</version>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>1.18.30</version>
</dependency>
<dependency>
<groupId>com.twelvemonkeys.imageio</groupId>
<artifactId>imageio-core</artifactId>
<version>${imageio.version}</version>
</dependency>
<dependency>
<groupId>com.twelvemonkeys.imageio</groupId>
<artifactId>imageio-jpeg</artifactId>
<version>${imageio.version}</version>
</dependency>
<dependency>
<groupId>com.twelvemonkeys.imageio</groupId>
<artifactId>imageio-tiff</artifactId>
<version>${imageio.version}</version>
</dependency>
<dependency>
<groupId>com.twelvemonkeys.imageio</groupId>
<artifactId>imageio-metadata</artifactId>
<version>${imageio.version}</version>
</dependency>
<dependency>
<groupId>com.twelvemonkeys.imageio</groupId>
<artifactId>imageio-bmp</artifactId>
<version>${imageio.version}</version>
</dependency>
<dependency>
<groupId>com.twelvemonkeys.imageio</groupId>
<artifactId>imageio-webp</artifactId>
<version>${imageio.version}</version>
</dependency>
<dependency>
<groupId>com.twelvemonkeys.imageio</groupId>
<artifactId>imageio-pdf</artifactId>
<version>${imageio.version}</version>
</dependency>
<dependency>
<groupId>com.twelvemonkeys.imageio</groupId>
<artifactId>imageio</artifactId>
<version>${imageio.version}</version>
<type>pom</type>
</dependency>
<dependency>
<groupId>com.jhlabs</groupId>
<artifactId>filters</artifactId>
<version>2.0.235-1</version>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<artifactId>maven-assembly-plugin</artifactId>
<configuration>
<archive>
<manifest>
<mainClass>org.pdf.filigrane.Main</mainClass>
</manifest>
</archive>
<descriptorRefs>
<descriptorRef>jar-with-dependencies</descriptorRef>
</descriptorRefs>
</configuration>
</plugin>
</plugins>
</build>
</project>

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src/main/java/org/pdf/filigrane/DFFilter.java Normal file
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package org.pdf.filigrane;
import com.jhlabs.image.TransformFilter;
import java.awt.image.BufferedImage;
/**
* A filter which simulates a lens placed over an image.
*/
public class DFFilter extends TransformFilter {
private float width;
private float height;
private int xFrequency = 12;
private int yFrequency = 8;
private int maxDistorsion = 28;
public DFFilter() {
}
public BufferedImage filter(BufferedImage src, BufferedImage dst) {
this.width = src.getWidth();
this.height = src.getHeight();
return super.filter(src, dst);
}
protected void transformInverse(int x, int y, float[] out) {
out[0] = x;
float r = (float) Math.sin(x * xFrequency / width);
out[1] = y + maxDistorsion * (float) Math.sin(y * yFrequency / height) * r * r;
}
public String toString() {
return "Distort...";
}
public int getxFrequency() {
return xFrequency;
}
public void setxFrequency(int xFrequency) {
this.xFrequency = xFrequency;
}
public int getyFrequency() {
return yFrequency;
}
public void setyFrequency(int yFrequency) {
this.yFrequency = yFrequency;
}
public int getMaxDistorsion() {
return maxDistorsion;
}
public void setMaxDistorsion(int maxDistorsion) {
this.maxDistorsion = maxDistorsion;
}
}

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src/main/java/org/pdf/filigrane/EntryFile.java Normal file
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package org.pdf.filigrane;
import java.io.InputStream;
public class EntryFile {
public final InputStream is;
public final boolean isPDF;
public EntryFile(InputStream is, boolean isPDF) {
this.is = is;
this.isPDF = isPDF;
}
}

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src/main/java/org/pdf/filigrane/Main.java Normal file
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package org.pdf.filigrane;
import com.drew.imaging.ImageMetadataReader;
import com.drew.metadata.exif.ExifIFD0Directory;
import com.twelvemonkeys.image.ImageUtil;
import org.apache.pdfbox.Loader;
import org.apache.pdfbox.io.IOUtils;
import org.apache.pdfbox.pdmodel.PDDocument;
import org.apache.pdfbox.pdmodel.PDPage;
import org.apache.pdfbox.pdmodel.PDPageContentStream;
import org.apache.pdfbox.pdmodel.PDPageTree;
import org.apache.pdfbox.pdmodel.common.PDRectangle;
import org.apache.pdfbox.pdmodel.graphics.image.PDImageXObject;
import org.apache.pdfbox.rendering.ImageType;
import org.apache.pdfbox.rendering.PDFRenderer;
import org.apache.pdfbox.tools.imageio.ImageIOUtil;
import javax.imageio.ImageIO;
import java.awt.*;
import java.awt.geom.AffineTransform;
import java.awt.image.BufferedImage;
import java.awt.image.ConvolveOp;
import java.awt.image.Kernel;
import java.io.*;
import java.util.List;
import java.util.*;
import java.util.concurrent.ThreadLocalRandom;
public class Main {
private PdfTemplateParameters params = PdfTemplateParameters.builder().build();
private final boolean shouldUseDistortion = false;
private final boolean shouldUseColors = false;
public static void main(String[] args) throws Exception {
if (args.length < 3) {
System.out.println("[dest] [watermak] [input1] ...");
return;
}
var dest = args[0];
var watermark = args[1];
var input = new ArrayList<EntryFile>();
for (int i = 2; i < args.length; i++) {
var path = args[i];
input.add(new EntryFile(new FileInputStream(path), path.endsWith(".pdf")));
}
var bytes = new Main().render(input, watermark);
var destFile = new FileOutputStream(dest);
destFile.write(bytes);
destFile.flush();
destFile.close();
}
public byte[] render(List<EntryFile> data, String watermarkText) throws IOException {
try (PDDocument document = new PDDocument()) {
data.stream()
.map(this::convertToImages)
.flatMap(Collection::stream)
.map(this::smartCrop)
.filter(Objects::nonNull)
.map(this::fitImageToPage)
.map(bim -> applyWatermark(bim, watermarkText))
.forEach(bim -> addImageAsPageToDocument(document, bim));
try (ByteArrayOutputStream baos = new ByteArrayOutputStream()) {
document.save(baos);
return baos.toByteArray();
}
} catch (IOException e) {
System.err.println("Exception while generate BO PDF documents" + e);
throw e;
}
}
private final Color[] COLORS = {
new Color(64, 64, 64, 255),
new Color(32, 32, 32, 220),
new Color(0, 0, 0, 110),
new Color(0, 0, 91, 170),
new Color(255, 0, 0, 170)
};
/**
* Convert PDF to image - let other type unchanged
*
* @param file source
* @return list of extracted images
*/
private List<BufferedImage> convertToImages(EntryFile file) {
try {
if (file.isPDF) {
List<BufferedImage> images = new ArrayList<>();
try (PDDocument document = Loader.loadPDF(file.is.readAllBytes())) {
PDFRenderer pdfRenderer = new PDFRenderer(document);
PDPageTree pagesTree = document.getPages();
for (int i = 0; i < pagesTree.getCount(); i++) {
PDRectangle pageMediaBox = pagesTree.get(i).getMediaBox();
float ratioImage = pageMediaBox.getHeight() / pageMediaBox.getWidth();
float ratioPDF = params.mediaBox.getHeight() / params.mediaBox.getWidth();
// scale according the greater axis
PageDimension dimension = (ratioImage < ratioPDF) ?
new PageDimension((int) pageMediaBox.getWidth(), (int) (pageMediaBox.getWidth() * ratioPDF), 0)
: new PageDimension((int) (pageMediaBox.getHeight() / ratioPDF), (int) pageMediaBox.getHeight(), 0);
float scale = (dimension.width < params.maxPage.width) ? 1f :
params.maxPage.width / pageMediaBox.getWidth();// image is too big - scale if necessary
// x2 - double the image resolution (prevent quality loss if image is cropped)
images.add(pdfRenderer.renderImage(i, scale * 2, ImageType.RGB));
}
return images;
} catch (Exception e) {
System.err.println("Exception while converting pdf page to image" + e);
return images;
}
}
return Collections.singletonList(createImageWithOrientation(file));
} catch (IOException e) {
throw new RuntimeException("Unable to convert pdf to image", e);
}
}
private BufferedImage createImageWithOrientation(EntryFile file) throws IOException {
// duplicate input stream - because it will be read twice
var baos = new ByteArrayOutputStream();
IOUtils.copy(file.is, baos);
byte[] bytes = baos.toByteArray();
try (var imageInput = new ByteArrayInputStream(bytes)) {
BufferedImage image = ImageIO.read(imageInput);
// check en rotate according metadata
try (ByteArrayInputStream imageInputForMeta = new ByteArrayInputStream(bytes)) {
var metadata = ImageMetadataReader.readMetadata(imageInputForMeta);
var dir = metadata.getFirstDirectoryOfType(ExifIFD0Directory.class);
int orientation = dir != null && dir.getInteger(ExifIFD0Directory.TAG_ORIENTATION) != null
? dir.getInt(ExifIFD0Directory.TAG_ORIENTATION) : 0;
return switch (orientation) {
case 2 -> ImageUtil.createFlipped(image, ImageUtil.FLIP_HORIZONTAL);
case 3 -> ImageUtil.createRotated(image, ImageUtil.ROTATE_180);
case 4 -> ImageUtil.createFlipped(image, ImageUtil.FLIP_VERTICAL);
case 5 -> ImageUtil.createRotated(
ImageUtil.createFlipped(image, ImageUtil.FLIP_VERTICAL),
ImageUtil.ROTATE_90_CW);
case 6 -> ImageUtil.createRotated(image, ImageUtil.ROTATE_90_CW);
case 7 -> ImageUtil.createRotated(
ImageUtil.createFlipped(image, ImageUtil.FLIP_VERTICAL),
ImageUtil.ROTATE_90_CCW);
case 8 -> ImageUtil.createRotated(image, ImageUtil.ROTATE_90_CCW);
default -> image; // 0,1 included
};
} catch (Exception e) {
System.err.println("Unable to rotate and flip from metadata" + e);
}
return image;
}
}
/**
* Apply document crop if require
*/
protected BufferedImage smartCrop(BufferedImage image) {
// by default there is not crop on BO Documents
return image;
}
/**
* Apply watermark - source image should already have good ratio
*
* @param bim source image
* @return result image
*/
public BufferedImage applyWatermark(BufferedImage bim, String watermarkText) {
try {
//Create a watermark layer
int diagonal = (int) Math.sqrt(bim.getWidth() * bim.getWidth() + bim.getHeight() * bim.getHeight());
BufferedImage watermarkLayer = new BufferedImage(diagonal, diagonal, BufferedImage.TYPE_INT_ARGB);
Graphics2D g = watermarkLayer.createGraphics();
String watermark = watermarkText.repeat(1 + (128 / watermarkText.length()));
g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, ThreadLocalRandom.current().nextFloat(0.52f, 0.6f)));
g.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
// allows to have small variation on the watermark position at each generation
float spaceBetweenText = diagonal / ThreadLocalRandom.current().nextFloat(8f, 10f);
for (int i = 1; i < 11; i++) {
Font font = new Font("Arial", Font.PLAIN, 28 * bim.getWidth() / params.maxPage.width);
if (shouldUseColors) {
g.setColor(COLORS[ThreadLocalRandom.current().nextInt(0, COLORS.length)]);
} else {
g.setColor(Color.DARK_GRAY);
}
g.setFont(font);
g.drawString(watermark, 0, i * spaceBetweenText);
}
// Create a gaussian blur layer
int radius = ThreadLocalRandom.current().nextInt(45, 65);
BufferedImage blurredTextLayer = new BufferedImage(diagonal, diagonal, BufferedImage.TYPE_INT_ARGB);
Graphics2D blurredTextLayerGraphics = blurredTextLayer.createGraphics();
blurredTextLayerGraphics.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, ThreadLocalRandom.current().nextFloat(0.75f, 0.95f)));
blurredTextLayerGraphics.drawImage(watermarkLayer, 0, 0, null);
blurredTextLayer = getGaussianBlurFilter(radius, true).filter(blurredTextLayer, null);
blurredTextLayer = getGaussianBlurFilter(radius, false).filter(blurredTextLayer, null);
blurredTextLayerGraphics.dispose();
// Merge layers
Graphics2D gf = bim.createGraphics();
gf.drawImage(bim, 0, 0, null);
BufferedImage buffer;
if (shouldUseDistortion) {
DFFilter filter = new DFFilter();
buffer = filter.filter(watermarkLayer, null);
} else {
buffer = watermarkLayer;
}
BufferedImage rotated = new BufferedImage(diagonal, diagonal, buffer.getType());
Graphics2D graphic = rotated.createGraphics();
graphic.rotate(Math.toRadians(-25), diagonal / 2f, diagonal / 2f);
graphic.drawImage(buffer, null, 0, 0);
graphic.drawImage(blurredTextLayer, 0, 0, null);
graphic.dispose();
BufferedImage cropedRotated = rotated.getSubimage(diagonal / 2 - bim.getWidth() / 2, diagonal / 2 - bim.getHeight() / 2, diagonal / 2 + bim.getWidth() / 2, diagonal / 2 + bim.getHeight() / 2);
gf.drawImage(cropedRotated, 0, 0, null);
gf.dispose();
return bim;
} catch (Exception e) {
e.printStackTrace();
throw new RuntimeException("Unable to fit image to the page", e);
}
}
/**
* Fit image to page dimension - A4 with 128 DPI
*
* @param bim
* @return image fit to the page
*/
private BufferedImage fitImageToPage(BufferedImage bim) {
try {
float ratioImage = bim.getHeight() / (float) bim.getWidth();
float ratioPDF = params.mediaBox.getHeight() / params.mediaBox.getWidth();
// scale according the greater axis
PageDimension dimension = (ratioImage < ratioPDF) ?
new PageDimension(bim.getWidth(), (int) (bim.getWidth() * ratioPDF), 0)
: new PageDimension((int) (bim.getHeight() / ratioPDF), bim.getHeight(), 0);
float scale = (dimension.width < params.maxPage.width) ? 1f :
params.maxPage.width / (float) bim.getWidth();// image is too big - scale if necessary
// translate in center and scale if necessary
var affineTransform = new AffineTransform();
affineTransform.translate(scale * (dimension.width - bim.getWidth()) / 2, scale * (dimension.height - bim.getHeight()) / 2);
affineTransform.scale(scale, scale);
// Draw the image on to the buffered image
BufferedImage resultImage = new BufferedImage((int) (scale * dimension.width), (int) (scale * dimension.height), BufferedImage.TYPE_INT_RGB);
Graphics2D g = resultImage.createGraphics();
g.setColor(Color.WHITE);
g.fillRect(0, 0, (int) (scale * dimension.width), (int) (scale * dimension.height));
g.drawImage(bim, affineTransform, null);
g.dispose();
return resultImage;
} catch (Exception e) {
e.printStackTrace();
throw new RuntimeException("Unable to fit image to the page", e);
}
}
/**
* Add A4 page to Document from image.
*
* @param document document destination
* @param bim image to include
*/
private void addImageAsPageToDocument(PDDocument document, BufferedImage bim) {
var page = new PDPage(PDRectangle.A4);
document.addPage(page);
try (ByteArrayOutputStream out = new ByteArrayOutputStream()) {
ImageIOUtil.writeImage(bim, "jpg", out, params.maxPage.dpi, params.compressionQuality);
var pdImage = PDImageXObject.createFromByteArray(document, out.toByteArray(), "");
try (PDPageContentStream contentStream = new PDPageContentStream(document, page, PDPageContentStream.AppendMode.OVERWRITE, true, true)) {
contentStream.drawImage(pdImage, 0, 0, PDRectangle.A4.getWidth(), bim.getHeight() * PDRectangle.A4.getWidth() / bim.getWidth());
}
} catch (IOException e) {
e.printStackTrace();
throw new RuntimeException("Unable to write image");
}
}
private static ConvolveOp getGaussianBlurFilter(int radius, boolean horizontal) {
int size = radius * 2 + 1;
float[] data = new float[size];
float sigma = radius / 3.0f;
float twoSigmaSquare = 2.0f * sigma * sigma;
float sigmaRoot = (float) Math.sqrt(twoSigmaSquare * Math.PI);
float total = 0.0f;
for (int i = -radius; i <= radius; i++) {
float distance = i * i;
int index = i + radius;
data[index] = (float) Math.exp(-distance / twoSigmaSquare) / sigmaRoot;
total += data[index];
}
for (int i = 0; i < data.length; i++) {
data[i] /= total;
}
Kernel kernel = (horizontal) ? new Kernel(size, 1, data) : new Kernel(1, size, data);
return new ConvolveOp(kernel, ConvolveOp.EDGE_NO_OP, null);
}
}

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src/main/java/org/pdf/filigrane/PageDimension.java Normal file
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package org.pdf.filigrane;
/**
* Useful class to store page dimension
*/
public class PageDimension {
public static PageDimension A4128 = new PageDimension(1058, 1496, 128);
public static PageDimension A4150 = new PageDimension(1240, 1754, 150);
public final int width;
public final int height;
public final int dpi;
public PageDimension(int width, int height, int dpi) {
this.width = width;
this.height = height;
this.dpi = dpi;
}
}

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src/main/java/org/pdf/filigrane/PdfTemplateParameters.java Normal file
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package org.pdf.filigrane;
import lombok.Builder;
import lombok.Getter;
import org.apache.pdfbox.pdmodel.common.PDRectangle;
@Getter
@Builder
public class PdfTemplateParameters {
@Builder.Default
public PDRectangle mediaBox = PDRectangle.A4;
@Builder.Default
public float compressionQuality = 0.9f;
@Builder.Default
public PageDimension maxPage = PageDimension.A4150;
}