Fix issues w/ partial img decompr + buf img mode

Fixes #611

.gitattributes

@@ -1,5 +1,4 @@
-/.travis.yml export-ignore
 /appveyor.yml export-ignore
-/ci export-ignore
 /.gitattributes export-ignore
 /.github export-ignore
+*.ppm binary

.github/FUNDING.yml

@@ -0,0 +1 @@
+github: libjpeg-turbo

.github/ISSUE_TEMPLATE/bug-report.md

@@ -31,7 +31,7 @@ assignees: dcommander
 **Platform(s) (compiler version, operating system version, CPU) on which the bug was observed:**
 
 
-**libjpeg-turbo release(s), commit(s), or branch(es) in which the bug was observed (always test the tip of the master branch or the latest [stable pre-release](https://libjpeg-turbo.org/DeveloperInfo/PreReleases) to verify that the bug hasn't already been fixed):**
+**libjpeg-turbo release(s), commit(s), or branch(es) in which the bug was observed (always test the tip of the main branch or the latest [stable pre-release](https://libjpeg-turbo.org/DeveloperInfo/PreReleases) to verify that the bug hasn't already been fixed):**
 
 
 **If the bug is a regression, the specific commit that introduced the regression (use `git bisect` to determine this):**

.github/workflows/build.yml

@@ -0,0 +1,193 @@
+name: Build
+
+on:
+  push:
+    branches:
+      - '**'
+    tags-ignore:
+      - '**'
+  pull_request:
+  workflow_dispatch:
+
+jobs:
+  linux:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Set global environment variables
+        run: |
+          echo "BRANCH=${GITHUB_BASE_REF:-${GITHUB_REF#refs/heads/}}" >$GITHUB_ENV
+      - name: Check out code
+        uses: actions/checkout@v2
+      - name: Set up build
+        run: |
+          mkdir -p $HOME/src/ljt.nightly
+          docker pull dcommander/buildljt:$BRANCH
+          git clone --depth=1 https://github.com/libjpeg-turbo/buildscripts.git -b $BRANCH $HOME/src/buildscripts
+          mkdir $HOME/rpmkeys
+          wget --no-check-certificate "http://www.libjpeg-turbo.org/key/LJTPR-GPG-KEY" -O $HOME/rpmkeys/LJTPR-GPG-KEY
+      - name: Configure GPG signing
+        if: ${{github.event_name != 'pull_request'}}
+        run: |
+          sudo apt install -y gnupg1
+          printf "${{secrets.GPG_KEY}}" | base64 --decode | gpg1 --batch --import -
+          chmod 600 $HOME/.gnupg/gpg.conf
+          echo "GPG_KEY_NAME=\"${{secrets.GPG_KEY_NAME}}\"" >$HOME/src/buildscripts/gpgsign
+          echo "GPG_KEY_ID=${{secrets.GPG_KEY_ID}}" >>$HOME/src/buildscripts/gpgsign
+          echo "GPG_KEY_PASS=${{secrets.GPG_KEY_PASS}}" >>$HOME/src/buildscripts/gpgsign
+      - name: Build
+        run: |
+          docker run -v $HOME/src/ljt.nightly:/root/src/ljt.nightly -v $HOME/src/buildscripts:/root/src/buildscripts -v $GITHUB_WORKSPACE:/root/src/libjpeg-turbo -v $HOME/.gnupg:/root/.gnupg -v $HOME/rpmkeys:/rpmkeys -t dcommander/buildljt:$BRANCH bash -c "rpm --import /rpmkeys/LJTPR-GPG-KEY && ~/src/buildscripts/buildljt -d /root/src/libjpeg-turbo -v"
+          sudo chown -R runner:runner $HOME/src/ljt.nightly
+          mv $HOME/src/ljt.nightly/latest/log-${{github.job}}.txt $HOME/src/ljt.nightly/latest/files/
+      - name: Configure AWS
+        if: ${{github.event_name != 'pull_request'}}
+        uses: aws-actions/configure-aws-credentials@v1
+        with:
+          aws-access-key-id: ${{secrets.AWS_ACCESS_KEY_ID}}
+          aws-secret-access-key: ${{secrets.AWS_SECRET_ACCESS_KEY}}
+          aws-region: ${{secrets.AWS_REGION}}
+      - name: Deploy
+        if: ${{github.event_name != 'pull_request'}}
+        run: |
+          aws s3 sync --acl public-read --delete $HOME/src/ljt.nightly/latest/files/ s3://libjpeg-turbo-pr/${{env.BRANCH}}/${{github.job}}/
+  macos:
+    runs-on: macos-10.15
+    steps:
+      - name: Set global environment variables
+        run: |
+          echo "BRANCH=${GITHUB_BASE_REF:-${GITHUB_REF#refs/heads/}}" >$GITHUB_ENV
+      - name: Check out code
+        uses: actions/checkout@v2
+      - name: Set up build
+        run: |
+          brew install yasm md5sha1sum
+          mkdir -p $HOME/src/ljt.nightly
+          git clone --depth=1 https://github.com/libjpeg-turbo/buildscripts.git -b $BRANCH $HOME/src/buildscripts
+      - name: Configure GPG signing
+        if: ${{github.event_name != 'pull_request'}}
+        run: |
+          printf "${{secrets.GPG_KEY}}" | base64 --decode | gpg --batch --import -
+          echo "GPG_KEY_NAME=\"${{secrets.GPG_KEY_NAME}}\"" >$HOME/src/buildscripts/gpgsign
+          echo "GPG_KEY_ID=${{secrets.GPG_KEY_ID}}" >>$HOME/src/buildscripts/gpgsign
+          echo "GPG_KEY_PASS=${{secrets.GPG_KEY_PASS}}" >>$HOME/src/buildscripts/gpgsign
+      - name: Build
+        run: |
+          $HOME/src/buildscripts/buildljt -d $GITHUB_WORKSPACE -v
+          mv $HOME/src/ljt.nightly/latest/log-${{github.job}}.txt $HOME/src/ljt.nightly/latest/files/
+      - name: Configure AWS
+        if: ${{github.event_name != 'pull_request'}}
+        uses: aws-actions/configure-aws-credentials@v1
+        with:
+          aws-access-key-id: ${{secrets.AWS_ACCESS_KEY_ID}}
+          aws-secret-access-key: ${{secrets.AWS_SECRET_ACCESS_KEY}}
+          aws-region: ${{secrets.AWS_REGION}}
+      - name: Deploy
+        if: ${{github.event_name != 'pull_request'}}
+        run: |
+          aws s3 sync --acl public-read --delete $HOME/src/ljt.nightly/latest/files/ s3://libjpeg-turbo-pr/${{env.BRANCH}}/${{github.job}}/
+  linux-asan-ubsan:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out code
+        uses: actions/checkout@v2
+      - name: Set up build
+        run: |
+          sudo apt install -y nasm
+      - name: Build
+        env:
+          ASAN_OPTIONS: "detect_leaks=1 symbolize=1"
+          CTEST_OUTPUT_ON_FAILURE: 1
+        run: |
+          mkdir build
+          pushd build
+          cmake -G"Unix Makefiles" -DCMAKE_BUILD_TYPE=RelWithDebInfo -DCMAKE_C_COMPILER=clang -DCMAKE_C_FLAGS_RELWITHDEBINFO="-O1 -g -fsanitize=address,undefined -fno-sanitize-recover=all -fno-omit-frame-pointer" -DENABLE_SHARED=0 ..
+          export NUMCPUS=`grep -c '^processor' /proc/cpuinfo`
+          make -j$NUMCPUS --load-average=$NUMCPUS
+          make test
+          JSIMD_FORCESSE2=1 make test
+          cmake -DFLOATTEST=no-fp-contract ..
+          JSIMD_FORCENONE=1 make test
+          popd
+  linux-12bit:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out code
+        uses: actions/checkout@v2
+      - name: Build
+        env:
+          CTEST_OUTPUT_ON_FAILURE: 1
+        run: |
+          mkdir build
+          pushd build
+          cmake -G"Unix Makefiles" -DWITH_12BIT=1 \
+            -DCMAKE_C_FLAGS='--std=gnu90 -Wall -Werror -Wextra -Wpedantic -pedantic-errors -Wdouble-promotion -Wformat-overflow=2 -Wformat-security -Wformat-signedness -Wformat-truncation=2 -Wformat-y2k -Wmissing-include-dirs -Wshift-overflow=2 -Wswitch-bool -Wno-unused-parameter -Wuninitialized -Wstrict-overflow=2 -Wstringop-overflow=4 -Wstringop-truncation -Wduplicated-branches -Wduplicated-cond -Wdeclaration-after-statement -Wshadow -Wunsafe-loop-optimizations -Wundef -Wcast-align -Wno-clobbered -Wjump-misses-init -Wno-sign-compare -Wlogical-op -Waggregate-return -Wstrict-prototypes -Wold-style-definition -Wmissing-prototypes -Wmissing-declarations -Wpacked -Wredundant-decls -Wnested-externs -Winline -Wno-long-long -Wdisabled-optimization -Wno-overlength-strings' \
+            ..
+          export NUMCPUS=`grep -c '^processor' /proc/cpuinfo`
+          make -j$NUMCPUS --load-average=$NUMCPUS
+          make test
+          popd
+  linux-jpeg7-x32:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out code
+        uses: actions/checkout@v2
+      - name: Set up build
+        run: |
+          sudo apt update
+          sudo apt -y --install-recommends install libc6-dev-x32 nasm
+      - name: Build
+        env:
+          CTEST_OUTPUT_ON_FAILURE: 1
+        run: |
+          mkdir build
+          pushd build
+          cmake -G"Unix Makefiles" -DWITH_JPEG7=1 -DCMAKE_C_FLAGS=-mx32 \
+            -DCMAKE_C_FLAGS='--std=gnu90 -Wall -Werror -Wextra -Wpedantic -pedantic-errors -Wdouble-promotion -Wformat-overflow=2 -Wformat-security -Wformat-signedness -Wformat-truncation=2 -Wformat-y2k -Wmissing-include-dirs -Wshift-overflow=2 -Wswitch-bool -Wno-unused-parameter -Wuninitialized -Wstrict-overflow=2 -Wstringop-overflow=4 -Wstringop-truncation -Wduplicated-branches -Wduplicated-cond -Wdeclaration-after-statement -Wshadow -Wunsafe-loop-optimizations -Wundef -Wcast-align -Wno-clobbered -Wjump-misses-init -Wno-sign-compare -Wlogical-op -Waggregate-return -Wstrict-prototypes -Wold-style-definition -Wmissing-prototypes -Wmissing-declarations -Wpacked -Wredundant-decls -Wnested-externs -Winline -Wno-long-long -Wdisabled-optimization -Wno-overlength-strings' \
+            ..
+          export NUMCPUS=`grep -c '^processor' /proc/cpuinfo`
+          make -j$NUMCPUS --load-average=$NUMCPUS
+          make test
+          JSIMD_FORCESSE2=1 make test
+          cmake -DFLOATTEST=no-fp-contract ..
+          JSIMD_FORCENONE=1 make test
+          popd
+  linux-jpeg8:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out code
+        uses: actions/checkout@v2
+      - name: Set up build
+        run: |
+          sudo apt -y install nasm
+      - name: Build
+        env:
+          CTEST_OUTPUT_ON_FAILURE: 1
+        run: |
+          mkdir build
+          pushd build
+          cmake -G"Unix Makefiles" -DWITH_JPEG8=1 \
+            -DCMAKE_C_FLAGS='--std=gnu90 -Wall -Werror -Wextra -Wpedantic -pedantic-errors -Wdouble-promotion -Wformat-overflow=2 -Wformat-security -Wformat-signedness -Wformat-truncation=2 -Wformat-y2k -Wmissing-include-dirs -Wshift-overflow=2 -Wswitch-bool -Wno-unused-parameter -Wuninitialized -Wstrict-overflow=2 -Wstringop-overflow=4 -Wstringop-truncation -Wduplicated-branches -Wduplicated-cond -Wdeclaration-after-statement -Wshadow -Wunsafe-loop-optimizations -Wundef -Wcast-align -Wno-clobbered -Wjump-misses-init -Wno-sign-compare -Wlogical-op -Waggregate-return -Wstrict-prototypes -Wold-style-definition -Wmissing-prototypes -Wmissing-declarations -Wpacked -Wredundant-decls -Wnested-externs -Winline -Wno-long-long -Wdisabled-optimization -Wno-overlength-strings' \
+            ..
+          export NUMCPUS=`grep -c '^processor' /proc/cpuinfo`
+          make -j$NUMCPUS --load-average=$NUMCPUS
+          make test
+          JSIMD_FORCESSE2=1 make test
+          cmake -DFLOATTEST=no-fp-contract ..
+          JSIMD_FORCENONE=1 make test
+          popd
+  linux-msan:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out code
+        uses: actions/checkout@v2
+      - name: Build
+        env:
+          CTEST_OUTPUT_ON_FAILURE: 1
+        run: |
+          mkdir build
+          pushd build
+          cmake -G"Unix Makefiles" -DCMAKE_BUILD_TYPE=RelWithDebInfo -DCMAKE_C_COMPILER=clang -DCMAKE_C_FLAGS_RELWITHDEBINFO="-O3 -g -fsanitize=memory -fno-sanitize-recover=all -fPIE" -DWITH_SIMD=0 ..
+          export NUMCPUS=`grep -c '^processor' /proc/cpuinfo`
+          make -j$NUMCPUS --load-average=$NUMCPUS
+          make test
+          popd

.travis.yml

@@ -1,153 +0,0 @@
-language: c
-
-branches:
-  except:
-    - /^[0-9]+\.[0-9]+\.[0-9]+/
-    - /^jpeg-.*/
-
-matrix:
-  include:
-    - os: linux
-      env: BUILD_OFFICIAL=1
-      sudo: required
-      services:
-        - docker
-    - os: osx
-      env: BUILD_OFFICIAL=1
-      osx_image: xcode8.3
-    - os: linux
-      compiler: clang
-      env:
-        CMAKE_BUILD_TYPE=RelWithDebInfo
-        CFLAGS_RELWITHDEBINFO="-O1 -g -fsanitize=address,undefined -fno-omit-frame-pointer"
-        CMAKE_FLAGS="-DENABLE_SHARED=0"
-        ASAN_OPTIONS="detect_leaks=1 symbolize=1"
-        CTEST_OUTPUT_ON_FAILURE=1
-      addons:
-        apt:
-          packages:
-            - nasm
-    - os: linux
-      compiler: gcc
-      env:
-        CMAKE_FLAGS="-DWITH_12BIT=1"
-        CTEST_OUTPUT_ON_FAILURE=1
-    - os: linux
-      compiler: gcc
-      env:
-        CMAKE_FLAGS="-DWITH_JPEG7=1"
-        CTEST_OUTPUT_ON_FAILURE=1
-      addons:
-        apt:
-          packages:
-            - nasm
-    - os: linux
-      compiler: gcc
-      env:
-        CMAKE_FLAGS="-DWITH_JPEG8=1"
-        CTEST_OUTPUT_ON_FAILURE=1
-      addons:
-        apt:
-          packages:
-            - nasm
-    - os: linux
-      compiler: clang
-      env:
-        CMAKE_BUILD_TYPE=RelWithDebInfo
-        CFLAGS_RELWITHDEBINFO="-O3 -g -fsanitize=memory -fPIE"
-        CMAKE_FLAGS="-DWITH_SIMD=0"
-        CTEST_OUTPUT_ON_FAILURE=1
-
-before_install:
-  - if [ "$TRAVIS_OS_NAME" = "osx" ]; then
-      pushd $HOME/Downloads &&
-      curl -LO https://updates.cdn-apple.com/2019/cert/041-88384-20191011-3d8da658-dca4-4a5b-b67c-26e686876403/JavaForOSX.dmg &&
-      hdid JavaForOSX.dmg &&
-      sudo installer -pkg /Volumes/Java\ for\ macOS\ 2017-001/JavaForOSX.pkg -target / &&
-      hdiutil detach /Volumes/Java\ for\ macOS\ 2017-001 &&
-      curl -LO https://raw.githubusercontent.com/GiovanniBussi/macports-ci/master/macports-ci &&
-      . ./macports-ci install &&
-      sudo /opt/local/bin/port -N install gcc5 yasm md5sha1sum &&
-      popd &&
-      git clone --depth=1 https://github.com/libjpeg-turbo/gas-preprocessor.git ~/src/gas-preprocessor &&
-      ln -fs /Applications/Xcode.app /Applications/Xcode72.app;
-    fi
-  - if [ "${BUILD_OFFICIAL:-}" != "" ]; then
-      if [ "$TRAVIS_OS_NAME" = "linux" ]; then
-        docker pull dcommander/buildljt;
-      fi &&
-      git clone --depth=1 https://github.com/libjpeg-turbo/buildscripts.git -b $TRAVIS_BRANCH ~/src/buildscripts &&
-      if [ -n "$encrypted_f92e8533f6f1_iv" ]; then
-        openssl aes-256-cbc -K $encrypted_f92e8533f6f1_key -iv $encrypted_f92e8533f6f1_iv -in ci/keys.enc -out ci/keys -d &&
-        tar xf ci/keys &&
-        rm ci/keys &&
-        mv ci/gpgsign ~/src/buildscripts &&
-        gpg --batch --import ci/sign_ljt &&
-        rm ci/sign_ljt;
-      fi
-    fi
-
-script:
-  - if [ "${BUILD_OFFICIAL:-}" != "" ]; then
-      mkdir -p ~/src/ljt.nightly &&
-      if [ "$TRAVIS_OS_NAME" = "linux" ]; then
-        mkdir $HOME/rpmkeys &&
-        wget --no-check-certificate "http://www.libjpeg-turbo.org/key/LJTPR-GPG-KEY" -O $HOME/rpmkeys/LJTPR-GPG-KEY &&
-        docker run -v $HOME/src/ljt.nightly:/root/src/ljt.nightly -v $HOME/src/buildscripts:/root/src/buildscripts -v $TRAVIS_BUILD_DIR:/root/src/libjpeg-turbo -v $HOME/.gnupg:/root/.gnupg -v $HOME/rpmkeys:/rpmkeys -t dcommander/buildljt:latest bash -c "rpm --import /rpmkeys/LJTPR-GPG-KEY && ~/src/buildscripts/buildljt -d /root/src/libjpeg-turbo -v" &&
-        sudo chown -R travis:travis ~/src/ljt.nightly &&
-        mv ~/src/ljt.nightly/latest/log-$TRAVIS_OS_NAME.txt ~/src/ljt.nightly/latest/files/;
-      else
-        PATH=$PATH:~/src/gas-preprocessor ~/src/buildscripts/buildljt -d $TRAVIS_BUILD_DIR -v &&
-        mv ~/src/ljt.nightly/latest/log-$TRAVIS_OS_NAME.txt ~/src/ljt.nightly/latest/files/;
-      fi
-    fi
-  - if [ "${BUILD_OFFICIAL:-}" == "" ]; then
-      mkdir build &&
-      pushd build &&
-      cmake -G"Unix Makefiles" -DCMAKE_BUILD_TYPE=$CMAKE_BUILD_TYPE "-DCMAKE_C_FLAGS_RELWITHDEBINFO=$CFLAGS_RELWITHDEBINFO" $CMAKE_FLAGS .. &&
-      export NUMCPUS=`grep -c '^processor' /proc/cpuinfo` &&
-      make -j$NUMCPUS --load-average=$NUMCPUS &&
-      make test &&
-      if [[ ! "${CMAKE_FLAGS[0]}" =~ "WITH_12BIT" &&
-            ! "${CMAKE_FLAGS[0]}" =~ "WITH_SIMD" ]]; then
-        JSIMD_FORCESSE2=1 make test &&
-        cmake -DFLOATTEST=32bit .. &&
-        JSIMD_FORCENONE=1 make test;
-      fi &&
-      popd;
-    fi
-
-after_failure:
-  - if [ "${BUILD_OFFICIAL:-}" == "" ]; then
-      if [ -f $TRAVIS_BUILD_DIR/build/config.log ]; then
-        cat $TRAVIS_BUILD_DIR/build/config.log;
-      fi
-    fi
-
-deploy:
-  - provider: s3
-    bucket: libjpeg-turbo-pr
-    access_key_id:
-      secure: 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
-    secret_access_key:
-      secure: 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
-    acl: public_read
-    local-dir: $HOME/src/ljt.nightly/latest/files
-    upload-dir: $TRAVIS_BRANCH/$TRAVIS_OS_NAME
-    on:
-      repo: libjpeg-turbo/libjpeg-turbo
-      branch: master
-      condition: -n "$BUILD_OFFICIAL"
-  - provider: s3
-    bucket: libjpeg-turbo-pr
-    access_key_id:
-      secure: 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
-    secret_access_key:
-      secure: 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
-    acl: public_read
-    local-dir: $HOME/src/ljt.nightly/latest/files
-    upload-dir: $TRAVIS_BRANCH/$TRAVIS_OS_NAME
-    on:
-      repo: libjpeg-turbo/libjpeg-turbo
-      branch: dev
-      condition: -n "$BUILD_OFFICIAL"

BUILDING.md

@@ -10,38 +10,24 @@ Build Requirements
 
 - [CMake](http://www.cmake.org) v2.8.12 or later
 
-- [NASM](http://www.nasm.us) or [YASM](http://yasm.tortall.net)
+- [NASM](http://www.nasm.us) or [Yasm](http://yasm.tortall.net)
   (if building x86 or x86-64 SIMD extensions)
-  * If using NASM, 2.10 or later is required.
-  * If using NASM, 2.10 or later (except 2.11.08) is required for an x86-64 Mac
-    build (2.11.08 does not work properly with libjpeg-turbo's x86-64 SIMD code
-    when building macho64 objects.)
-  * If using YASM, 1.2.0 or later is required.
-  * If building on macOS, NASM or YASM can be obtained from
+  * If using NASM, 2.13 or later is required.
+  * If using Yasm, 1.2.0 or later is required.
+  * If building on macOS, NASM or Yasm can be obtained from
     [MacPorts](http://www.macports.org/) or [Homebrew](http://brew.sh/).
      - NOTE: Currently, if it is desirable to hide the SIMD function symbols in
        Mac executables or shared libraries that statically link with
-       libjpeg-turbo, then NASM 2.14 or later or YASM must be used when
+       libjpeg-turbo, then NASM 2.14 or later or Yasm must be used when
        building libjpeg-turbo.
-  * If building on Windows, **nasm.exe**/**yasm.exe** should be in your `PATH`.
-  * NASM and YASM are located in the CRB (Code Ready Builder) repository on
-    Red Hat Enterprise Linux 8 and in the PowerTools repository on CentOS 8,
-    which is not enabled by default.
-
-  The binary RPMs released by the NASM project do not work on older Linux
-  systems, such as Red Hat Enterprise Linux 5.  On such systems, you can easily
-  build and install NASM from a source RPM by downloading one of the SRPMs from
-
-  <http://www.nasm.us/pub/nasm/releasebuilds>
-
-  and executing the following as root:
-
-        ARCH=`uname -m`
-        rpmbuild --rebuild nasm-{version}.src.rpm
-        rpm -Uvh /usr/src/redhat/RPMS/$ARCH/nasm-{version}.$ARCH.rpm
-
-  NOTE: the NASM build will fail if texinfo is not installed.
-
+  * If NASM or Yasm is not in your `PATH`, then you can specify the full path
+    to the assembler by using either the `CMAKE_ASM_NASM_COMPILER` CMake
+    variable or the `ASM_NASM` environment variable.  On Windows, use forward
+    slashes rather than backslashes in the path (for example,
+    **c:/nasm/nasm.exe**).
+  * NASM and Yasm are located in the CRB (Code Ready Builder) repository on
+    Red Hat Enterprise Linux 8 and in the PowerTools repository on RHEL
+    derivatives, which is not enabled by default.
 
 ### Un*x Platforms (including Linux, Mac, FreeBSD, Solaris, and Cygwin)
 
@@ -49,10 +35,8 @@ Build Requirements
 
 - If building the TurboJPEG Java wrapper, JDK or OpenJDK 1.5 or later is
   required.  Most modern Linux distributions, as well as Solaris 10 and later,
-  include JDK or OpenJDK.  On OS X 10.5 and 10.6, it will be necessary to
-  install the Java Developer Package, which can be downloaded from
-  <http://developer.apple.com/downloads> (Apple ID required.)  For other
-  systems, you can obtain the Oracle Java Development Kit from
+  include JDK or OpenJDK.  For other systems, you can obtain the Oracle Java
+  Development Kit from
   <http://www.oracle.com/technetwork/java/javase/downloads>.
 
   * If using JDK 11 or later, CMake 3.10.x or later must also be used.
@@ -62,22 +46,22 @@ Build Requirements
 - Microsoft Visual C++ 2005 or later
 
   If you don't already have Visual C++, then the easiest way to get it is by
-  installing the
-  [Windows SDK](http://msdn.microsoft.com/en-us/windows/bb980924.aspx).
-  The Windows SDK includes both 32-bit and 64-bit Visual C++ compilers and
-  everything necessary to build libjpeg-turbo.
+  installing
+  [Visual Studio Community Edition](https://visualstudio.microsoft.com),
+  which includes everything necessary to build libjpeg-turbo.
 
-  * You can also use Microsoft Visual Studio Express/Community Edition, which
-    is a free download.  (NOTE: versions prior to 2012 can only be used to
-    build 32-bit code.)
+  * You can also download and install the standalone Windows SDK (for Windows 7
+    or later), which includes command-line versions of the 32-bit and 64-bit
+    Visual C++ compilers.
   * If you intend to build libjpeg-turbo from the command line, then add the
     appropriate compiler and SDK directories to the `INCLUDE`, `LIB`, and
     `PATH` environment variables.  This is generally accomplished by
-    executing `vcvars32.bat` or `vcvars64.bat` and `SetEnv.cmd`.
-    `vcvars32.bat` and `vcvars64.bat` are part of Visual C++ and are located in
-    the same directory as the compiler.  `SetEnv.cmd` is part of the Windows
-    SDK.  You can pass optional arguments to `SetEnv.cmd` to specify a 32-bit
-    or 64-bit build environment.
+    executing `vcvars32.bat` or `vcvars64.bat`, which are located in the same
+    directory as the compiler.
+  * If built with Visual C++ 2015 or later, the libjpeg-turbo static libraries
+    cannot be used with earlier versions of Visual C++, and vice versa.
+  * The libjpeg API DLL (**jpeg{version}.dll**) will depend on the C run-time
+    DLLs corresponding to the version of Visual C++ that was used to build it.
 
    ... OR ...
 
@@ -95,6 +79,14 @@ Build Requirements
   * If using JDK 11 or later, CMake 3.10.x or later must also be used.
 
 
+Sub-Project Builds
+------------------
+
+The libjpeg-turbo build system does not support being included as a sub-project
+using the CMake `add_subdirectory()` function.  Use the CMake
+`ExternalProject_Add()` function instead.
+
+
 Out-of-Tree Builds
 ------------------
 
@@ -108,6 +100,14 @@ directory, whereas *{source_directory}* refers to the libjpeg-turbo source
 directory.  For in-tree builds, these directories are the same.
 
 
+Ninja
+-----
+
+If using Ninja, then replace `make` or `nmake` with `ninja`, and replace the
+CMake generator (specified with the `-G` option) with `Ninja`, in all of the
+procedures and recipes below.
+
+
 Build Procedure
 ---------------
 
@@ -333,7 +333,7 @@ Build Recipes
 -------------
 
 
-### 32-bit Build on 64-bit Linux/Unix/Mac
+### 32-bit Build on 64-bit Linux/Unix
 
 Use export/setenv to set the following environment variables before running
 CMake:
@@ -398,117 +398,23 @@ located (usually **/usr/bin**.)  Next, execute the following commands:
 Building libjpeg-turbo for iOS
 ------------------------------
 
-iOS platforms, such as the iPhone and iPad, use ARM processors, and all
-currently supported models include NEON instructions.  Thus, they can take
+iOS platforms, such as the iPhone and iPad, use Arm processors, and all
+currently supported models include Neon instructions.  Thus, they can take
 advantage of libjpeg-turbo's SIMD extensions to significantly accelerate JPEG
 compression/decompression.  This section describes how to build libjpeg-turbo
 for these platforms.
 
 
-### Additional build requirements
+### Armv8 (64-bit)
 
-- For configurations that require [gas-preprocessor.pl]
-  (https://raw.githubusercontent.com/libjpeg-turbo/gas-preprocessor/master/gas-preprocessor.pl),
-  it should be installed in your `PATH`.
-
-
-### ARMv7 (32-bit)
-
-**gas-preprocessor.pl required**
-
-The following scripts demonstrate how to build libjpeg-turbo to run on the
-iPhone 3GS-4S/iPad 1st-3rd Generation and newer:
-
-#### Xcode 4.2 and earlier (LLVM-GCC)
-
-    IOS_PLATFORMDIR=/Developer/Platforms/iPhoneOS.platform
-    IOS_SYSROOT=($IOS_PLATFORMDIR/Developer/SDKs/iPhoneOS*.sdk)
-    export CFLAGS="-mfloat-abi=softfp -march=armv7 -mcpu=cortex-a8 -mtune=cortex-a8 -mfpu=neon -miphoneos-version-min=3.0"
-
-    cd {build_directory}
-
-    cat <<EOF >toolchain.cmake
-    set(CMAKE_SYSTEM_NAME Darwin)
-    set(CMAKE_SYSTEM_PROCESSOR arm)
-    set(CMAKE_C_COMPILER ${IOS_PLATFORMDIR}/Developer/usr/bin/arm-apple-darwin10-llvm-gcc-4.2)
-    EOF
-
-    cmake -G"Unix Makefiles" -DCMAKE_TOOLCHAIN_FILE=toolchain.cmake \
-      -DCMAKE_OSX_SYSROOT=${IOS_SYSROOT[0]} \
-      [additional CMake flags] {source_directory}
-    make
-
-#### Xcode 4.3-4.6 (LLVM-GCC)
-
-Same as above, but replace the first line with:
-
-    IOS_PLATFORMDIR=/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform
-
-#### Xcode 5 and later (Clang)
-
-    IOS_PLATFORMDIR=/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform
-    IOS_SYSROOT=($IOS_PLATFORMDIR/Developer/SDKs/iPhoneOS*.sdk)
-    export CFLAGS="-mfloat-abi=softfp -arch armv7 -miphoneos-version-min=3.0"
-    export ASMFLAGS="-no-integrated-as"
-
-    cd {build_directory}
-
-    cat <<EOF >toolchain.cmake
-    set(CMAKE_SYSTEM_NAME Darwin)
-    set(CMAKE_SYSTEM_PROCESSOR arm)
-    set(CMAKE_C_COMPILER /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang)
-    EOF
-
-    cmake -G"Unix Makefiles" -DCMAKE_TOOLCHAIN_FILE=toolchain.cmake \
-      -DCMAKE_OSX_SYSROOT=${IOS_SYSROOT[0]} \
-      [additional CMake flags] {source_directory}
-    make
-
-
-### ARMv7s (32-bit)
-
-**gas-preprocessor.pl required**
-
-The following scripts demonstrate how to build libjpeg-turbo to run on the
-iPhone 5/iPad 4th Generation and newer:
-
-#### Xcode 4.5-4.6 (LLVM-GCC)
-
-    IOS_PLATFORMDIR=/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform
-    IOS_SYSROOT=($IOS_PLATFORMDIR/Developer/SDKs/iPhoneOS*.sdk)
-    export CFLAGS="-Wall -mfloat-abi=softfp -march=armv7s -mcpu=swift -mtune=swift -mfpu=neon -miphoneos-version-min=6.0"
-
-    cd {build_directory}
-
-    cat <<EOF >toolchain.cmake
-    set(CMAKE_SYSTEM_NAME Darwin)
-    set(CMAKE_SYSTEM_PROCESSOR arm)
-    set(CMAKE_C_COMPILER ${IOS_PLATFORMDIR}/Developer/usr/bin/arm-apple-darwin10-llvm-gcc-4.2)
-    EOF
-
-    cmake -G"Unix Makefiles" -DCMAKE_TOOLCHAIN_FILE=toolchain.cmake \
-      -DCMAKE_OSX_SYSROOT=${IOS_SYSROOT[0]} \
-      [additional CMake flags] {source_directory}
-    make
-
-#### Xcode 5 and later (Clang)
-
-Same as the ARMv7 build procedure for Xcode 5 and later, except replace the
-compiler flags as follows:
-
-    export CFLAGS="-Wall -mfloat-abi=softfp -arch armv7s -miphoneos-version-min=6.0"
-
-
-### ARMv8 (64-bit)
-
-**gas-preprocessor.pl required if using Xcode < 6**
+**Xcode 5 or later required, Xcode 6.3.x or later recommended**
 
 The following script demonstrates how to build libjpeg-turbo to run on the
 iPhone 5S/iPad Mini 2/iPad Air and newer.
 
     IOS_PLATFORMDIR=/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform
     IOS_SYSROOT=($IOS_PLATFORMDIR/Developer/SDKs/iPhoneOS*.sdk)
-    export CFLAGS="-Wall -arch arm64 -miphoneos-version-min=7.0 -funwind-tables"
+    export CFLAGS="-Wall -arch arm64 -miphoneos-version-min=8.0 -funwind-tables"
 
     cd {build_directory}
 
@@ -523,9 +429,6 @@ iPhone 5S/iPad Mini 2/iPad Air and newer.
       [additional CMake flags] {source_directory}
     make
 
-Once built, lipo can be used to combine the ARMv7, v7s, and/or v8 variants into
-a universal library.
-
 
 Building libjpeg-turbo for Android
 ----------------------------------
@@ -534,7 +437,9 @@ Building libjpeg-turbo for Android platforms requires v13b or later of the
 [Android NDK](https://developer.android.com/tools/sdk/ndk).
 
 
-### ARMv7 (32-bit)
+### Armv7 (32-bit)
+
+**NDK r19 or later with Clang recommended**
 
 The following is a general recipe script that can be modified for your specific
 needs.
@@ -559,7 +464,9 @@ needs.
     make
 
 
-### ARMv8 (64-bit)
+### Armv8 (64-bit)
+
+**Clang recommended**
 
 The following is a general recipe script that can be modified for your specific
 needs.
@@ -735,44 +642,23 @@ Mac
     make dmg
 
 Create Mac package/disk image.  This requires pkgbuild and productbuild, which
-are installed by default on OS X 10.7 and later and which can be obtained by
-installing Xcode 3.2.6 (with the "Unix Development" option) on OS X 10.6.
-Packages built in this manner can be installed on OS X 10.5 and later, but they
-must be built on OS X 10.6 or later.
+are installed by default on OS X/macOS 10.7 and later.
 
-    make udmg
+In order to create a Mac package/disk image that contains universal
+x86-64/Arm binaries, set the following CMake variable:
 
-This creates a Mac package/disk image that contains universal x86-64/i386/ARM
-binaries.  The following CMake variables control which architectures are
-included in the universal binaries.  Setting any of these variables to an empty
-string excludes that architecture from the package.
+* `ARMV8_BUILD`: Directory containing an Armv8 (64-bit) iOS or macOS build of
+  libjpeg-turbo to include in the universal binaries
 
-* `OSX_32BIT_BUILD`: Directory containing an i386 (32-bit) Mac build of
-  libjpeg-turbo (default: *{source_directory}*/osxx86)
-* `IOS_ARMV7_BUILD`: Directory containing an ARMv7 (32-bit) iOS build of
-  libjpeg-turbo (default: *{source_directory}*/iosarmv7)
-* `IOS_ARMV7S_BUILD`: Directory containing an ARMv7s (32-bit) iOS build of
-  libjpeg-turbo (default: *{source_directory}*/iosarmv7s)
-* `IOS_ARMV8_BUILD`: Directory containing an ARMv8 (64-bit) iOS build of
-  libjpeg-turbo (default: *{source_directory}*/iosarmv8)
-
-You should first use CMake to configure i386, ARMv7, ARMv7s, and/or ARMv8
-sub-builds of libjpeg-turbo (see "Build Recipes" and "Building libjpeg-turbo
-for iOS" above) in build directories that match those specified in the
-aforementioned CMake variables.  Next, configure the primary build of
-libjpeg-turbo as an out-of-tree build, and build it.  Once the primary build
-has been built, run `make udmg` from the build directory.  The packaging system
-will build the sub-builds, use lipo to combine them into a single set of
-universal binaries, then package the universal binaries in the same manner as
-`make dmg`.
-
-
-Cygwin
-------
-
-    make cygwinpkg
-
-Build a Cygwin binary package.
+You should first use CMake to configure an Armv8 sub-build of libjpeg-turbo
+(see "Building libjpeg-turbo for iOS" above, if applicable) in a build
+directory that matches the one specified in the aforementioned CMake variable.
+Next, configure the primary (x86-64) build of libjpeg-turbo as an out-of-tree
+build, specifying the aforementioned CMake variable, and build it.  Once the
+primary build has been built, run `make dmg` from the build directory.  The
+packaging system will build the sub-build, use lipo to combine it with the
+primary build into a single set of universal binaries, then package the
+universal binaries.
 
 
 Windows

CMakeLists.txt

@@ -1,11 +1,17 @@
 cmake_minimum_required(VERSION 2.8.12)
+# When using CMake 3.4 and later, don't export symbols from executables unless
+# the CMAKE_ENABLE_EXPORTS variable is set.
+if(POLICY CMP0065)
+  cmake_policy(SET CMP0065 NEW)
+endif()
 
 if(CMAKE_EXECUTABLE_SUFFIX)
   set(CMAKE_EXECUTABLE_SUFFIX_TMP ${CMAKE_EXECUTABLE_SUFFIX})
 endif()
 
 project(libjpeg-turbo C)
-set(VERSION 2.0.5)
+set(VERSION 2.1.4)
+set(COPYRIGHT_YEAR "1991-2022")
 string(REPLACE "." ";" VERSION_TRIPLET ${VERSION})
 list(GET VERSION_TRIPLET 0 VERSION_MAJOR)
 list(GET VERSION_TRIPLET 1 VERSION_MINOR)
@@ -25,6 +31,15 @@ pad_number(VERSION_MINOR 3)
 pad_number(VERSION_REVISION 3)
 set(LIBJPEG_TURBO_VERSION_NUMBER ${VERSION_MAJOR}${VERSION_MINOR}${VERSION_REVISION})
 
+# CMake 3.14 and later sets CMAKE_MACOSX_BUNDLE to TRUE by default when
+# CMAKE_SYSTEM_NAME is iOS, tvOS, or watchOS, which breaks the libjpeg-turbo
+# build.  (Specifically, when CMAKE_MACOSX_BUNDLE is TRUE, executables for
+# Apple platforms are built as application bundles, which causes CMake to
+# complain that our install() directives for executables do not specify a
+# BUNDLE DESTINATION.  Even if CMake did not complain, building executables as
+# application bundles would break our iOS packages.)
+set(CMAKE_MACOSX_BUNDLE FALSE)
+
 string(TIMESTAMP DEFAULT_BUILD "%Y%m%d")
 set(BUILD ${DEFAULT_BUILD} CACHE STRING "Build string (default: ${DEFAULT_BUILD})")
 
@@ -38,15 +53,24 @@ message(STATUS "CMAKE_BUILD_TYPE = ${CMAKE_BUILD_TYPE}")
 
 message(STATUS "VERSION = ${VERSION}, BUILD = ${BUILD}")
 
+include(cmakescripts/PackageInfo.cmake)
+
 # Detect CPU type and whether we're building 64-bit or 32-bit code
 math(EXPR BITS "${CMAKE_SIZEOF_VOID_P} * 8")
 string(TOLOWER ${CMAKE_SYSTEM_PROCESSOR} CMAKE_SYSTEM_PROCESSOR_LC)
+set(COUNT 1)
+foreach(ARCH ${CMAKE_OSX_ARCHITECTURES})
+  if(COUNT GREATER 1)
+    message(FATAL_ERROR "The libjpeg-turbo build system does not support multiple values in CMAKE_OSX_ARCHITECTURES.")
+  endif()
+  math(EXPR COUNT "${COUNT}+1")
+endforeach()
 if(CMAKE_SYSTEM_PROCESSOR_LC MATCHES "x86_64" OR
   CMAKE_SYSTEM_PROCESSOR_LC MATCHES "amd64" OR
   CMAKE_SYSTEM_PROCESSOR_LC MATCHES "i[0-9]86" OR
   CMAKE_SYSTEM_PROCESSOR_LC MATCHES "x86" OR
   CMAKE_SYSTEM_PROCESSOR_LC MATCHES "ia32")
-  if(BITS EQUAL 64)
+  if(BITS EQUAL 64 OR CMAKE_C_COMPILER_ABI MATCHES "ELF X32")
     set(CPU_TYPE x86_64)
   else()
     set(CPU_TYPE i386)
@@ -55,16 +79,30 @@ if(CMAKE_SYSTEM_PROCESSOR_LC MATCHES "x86_64" OR
     set(CMAKE_SYSTEM_PROCESSOR ${CPU_TYPE})
   endif()
 elseif(CMAKE_SYSTEM_PROCESSOR_LC STREQUAL "aarch64" OR
-  CMAKE_SYSTEM_PROCESSOR_LC MATCHES "arm*64*")
-  set(CPU_TYPE arm64)
-elseif(CMAKE_SYSTEM_PROCESSOR_LC MATCHES "arm*")
-  set(CPU_TYPE arm)
-elseif(CMAKE_SYSTEM_PROCESSOR_LC MATCHES "ppc*" OR
-  CMAKE_SYSTEM_PROCESSOR_LC MATCHES "powerpc*")
+  CMAKE_SYSTEM_PROCESSOR_LC MATCHES "^arm")
+  if(BITS EQUAL 64)
+    set(CPU_TYPE arm64)
+  else()
+    set(CPU_TYPE arm)
+  endif()
+elseif(CMAKE_SYSTEM_PROCESSOR_LC MATCHES "^ppc" OR
+  CMAKE_SYSTEM_PROCESSOR_LC MATCHES "^powerpc")
   set(CPU_TYPE powerpc)
 else()
   set(CPU_TYPE ${CMAKE_SYSTEM_PROCESSOR_LC})
 endif()
+if(CMAKE_OSX_ARCHITECTURES MATCHES "x86_64" OR
+  CMAKE_OSX_ARCHITECTURES MATCHES "arm64" OR
+  CMAKE_OSX_ARCHITECTURES MATCHES "i386")
+  set(CPU_TYPE ${CMAKE_OSX_ARCHITECTURES})
+endif()
+if(CMAKE_OSX_ARCHITECTURES MATCHES "ppc")
+  set(CPU_TYPE powerpc)
+endif()
+if(MSVC_IDE AND CMAKE_GENERATOR_PLATFORM MATCHES "arm64")
+  set(CPU_TYPE arm64)
+endif()
+
 message(STATUS "${BITS}-bit build (${CPU_TYPE})")
 
 
@@ -82,7 +120,9 @@ if(WIN32)
     set(CMAKE_INSTALL_DEFAULT_PREFIX "${CMAKE_INSTALL_DEFAULT_PREFIX}64")
   endif()
 else()
-  set(CMAKE_INSTALL_DEFAULT_PREFIX /opt/${CMAKE_PROJECT_NAME})
+  if(NOT CMAKE_INSTALL_DEFAULT_PREFIX)
+    set(CMAKE_INSTALL_DEFAULT_PREFIX /opt/${CMAKE_PROJECT_NAME})
+  endif()
 endif()
 if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
   set(CMAKE_INSTALL_PREFIX "${CMAKE_INSTALL_DEFAULT_PREFIX}" CACHE PATH
@@ -101,6 +141,8 @@ if(CMAKE_INSTALL_PREFIX STREQUAL "${CMAKE_INSTALL_DEFAULT_PREFIX}")
   if(UNIX AND NOT APPLE)
     if(BITS EQUAL 64)
       set(CMAKE_INSTALL_DEFAULT_LIBDIR "lib64")
+    elseif(CMAKE_C_COMPILER_ABI MATCHES "ELF X32")
+      set(CMAKE_INSTALL_DEFAULT_LIBDIR "libx32")
     else()
       set(CMAKE_INSTALL_DEFAULT_LIBDIR "lib32")
     endif()
@@ -133,9 +175,9 @@ endforeach()
 
 macro(boolean_number var)
   if(${var})
-    set(${var} 1)
+    set(${var} 1 ${ARGN})
   else()
-    set(${var} 0)
+    set(${var} 0 ${ARGN})
   endif()
 endmacro()
 
@@ -151,8 +193,12 @@ option(WITH_ARITH_DEC "Include arithmetic decoding support when emulating the li
 boolean_number(WITH_ARITH_DEC)
 option(WITH_ARITH_ENC "Include arithmetic encoding support when emulating the libjpeg v6b API/ABI" TRUE)
 boolean_number(WITH_ARITH_ENC)
-option(WITH_JAVA "Build Java wrapper for the TurboJPEG API library (implies ENABLE_SHARED=1)" FALSE)
-boolean_number(WITH_JAVA)
+if(CMAKE_C_COMPILER_ABI MATCHES "ELF X32")
+  set(WITH_JAVA 0)
+else()
+  option(WITH_JAVA "Build Java wrapper for the TurboJPEG API library (implies ENABLE_SHARED=1)" FALSE)
+  boolean_number(WITH_JAVA)
+endif()
 option(WITH_JPEG7 "Emulate libjpeg v7 API/ABI (this makes ${CMAKE_PROJECT_NAME} backward-incompatible with libjpeg v6b)" FALSE)
 boolean_number(WITH_JPEG7)
 option(WITH_JPEG8 "Emulate libjpeg v8 API/ABI (this makes ${CMAKE_PROJECT_NAME} backward-incompatible with libjpeg v6b)" FALSE)
@@ -163,6 +209,7 @@ option(WITH_SIMD "Include SIMD extensions, if available for this platform" TRUE)
 boolean_number(WITH_SIMD)
 option(WITH_TURBOJPEG "Include the TurboJPEG API library and associated test programs" TRUE)
 boolean_number(WITH_TURBOJPEG)
+option(WITH_FUZZ "Build fuzz targets" FALSE)
 
 macro(report_option var desc)
   if(${var})
@@ -193,6 +240,14 @@ if(ENABLE_SHARED)
   set(CMAKE_INSTALL_RPATH ${CMAKE_INSTALL_FULL_LIBDIR})
 endif()
 
+if(WITH_JPEG8 OR WITH_JPEG7)
+  set(WITH_ARITH_ENC 1)
+  set(WITH_ARITH_DEC 1)
+endif()
+if(WITH_JPEG8)
+  set(WITH_MEM_SRCDST 0)
+endif()
+
 if(WITH_12BIT)
   set(WITH_ARITH_DEC 0)
   set(WITH_ARITH_ENC 0)
@@ -205,14 +260,6 @@ else()
 endif()
 report_option(WITH_12BIT "12-bit JPEG support")
 
-if(WITH_JPEG8 OR WITH_JPEG7)
-  set(WITH_ARITH_ENC 1)
-  set(WITH_ARITH_DEC 1)
-endif()
-if(WITH_JPEG8)
-  set(WITH_MEM_SRCDST 0)
-endif()
-
 if(WITH_ARITH_DEC)
   set(D_ARITH_CODING_SUPPORTED 1)
 endif()
@@ -292,7 +339,8 @@ message(STATUS "libjpeg API shared library version = ${SO_MAJOR_VERSION}.${SO_AG
 # minor SO versions don't change.  However, we increase the middle number (the
 # SO "age") whenever functions are added to the API.
 set(TURBOJPEG_SO_MAJOR_VERSION 0)
-set(TURBOJPEG_SO_VERSION 0.2.0)
+set(TURBOJPEG_SO_AGE 2)
+set(TURBOJPEG_SO_VERSION 0.${TURBOJPEG_SO_AGE}.0)
 
 
 ###############################################################################
@@ -312,7 +360,7 @@ if(MSVC)
       endif()
     endforeach()
   endif()
-  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /W3 /wd4996")
+  add_definitions(-D_CRT_NONSTDC_NO_WARNINGS)
 endif()
 
 if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_C_COMPILER_ID STREQUAL "Clang")
@@ -362,34 +410,6 @@ if(MSVC)
 endif()
 
 if(UNIX)
-  # Check for headers
-  check_include_files(locale.h HAVE_LOCALE_H)
-  check_include_files(stddef.h HAVE_STDDEF_H)
-  check_include_files(stdlib.h HAVE_STDLIB_H)
-  check_include_files(sys/types.h NEED_SYS_TYPES_H)
-
-  # Check for functions
-  include(CheckSymbolExists)
-  check_symbol_exists(memset string.h HAVE_MEMSET)
-  check_symbol_exists(memcpy string.h HAVE_MEMCPY)
-  if(NOT HAVE_MEMSET AND NOT HAVE_MEMCPY)
-    set(NEED_BSD_STRINGS 1)
-  endif()
-
-  # Check for types
-  check_type_size("unsigned char" UNSIGNED_CHAR)
-  check_type_size("unsigned short" UNSIGNED_SHORT)
-
-  # Check for compiler features
-  check_c_source_compiles("int main(void) { typedef struct undefined_structure *undef_struct_ptr;  undef_struct_ptr ptr = 0;  return ptr != 0; }"
-    INCOMPLETE_TYPES)
-  if(INCOMPLETE_TYPES)
-    message(STATUS "Compiler supports pointers to undefined structures.")
-  else()
-    set(INCOMPLETE_TYPES_BROKEN 1)
-    message(STATUS "Compiler does not support pointers to undefined structures.")
-  endif()
-
   if(CMAKE_CROSSCOMPILING)
     set(RIGHT_SHIFT_IS_UNSIGNED 0)
   else()
@@ -414,13 +434,6 @@ if(UNIX)
         exit(is_shifting_signed(-0x7F7E80B1L));
       }" RIGHT_SHIFT_IS_UNSIGNED)
   endif()
-
-  if(CMAKE_CROSSCOMPILING)
-    set(__CHAR_UNSIGNED__ 0)
-  else()
-    check_c_source_runs("int main(void) { return ((char) -1 < 0); }"
-      __CHAR_UNSIGNED__)
-  endif()
 endif()
 
 if(MSVC)
@@ -507,6 +520,7 @@ else()
   configure_file(jconfig.h.in jconfig.h)
 endif()
 configure_file(jconfigint.h.in jconfigint.h)
+configure_file(jversion.h.in jversion.h)
 if(UNIX)
   configure_file(libjpeg.map.in libjpeg.map)
 endif()
@@ -546,6 +560,9 @@ endif()
 
 if(WITH_SIMD)
   add_subdirectory(simd)
+  if(NEON_INTRINSICS)
+    add_definitions(-DNEON_INTRINSICS)
+  endif()
 elseif(NOT WITH_12BIT)
   message(STATUS "SIMD extensions: None (WITH_SIMD = ${WITH_SIMD})")
 endif()
@@ -556,6 +573,9 @@ if(WITH_SIMD)
   endif()
 else()
   add_library(simd OBJECT jsimd_none.c)
+  if(NOT WIN32 AND (CMAKE_POSITION_INDEPENDENT_CODE OR ENABLE_SHARED))
+    set_target_properties(simd PROPERTIES POSITION_INDEPENDENT_CODE 1)
+  endif()
 endif()
 
 if(WITH_JAVA)
@@ -585,6 +605,12 @@ if(WITH_TURBOJPEG)
       include_directories(${JAVA_INCLUDE_PATH} ${JAVA_INCLUDE_PATH2})
       set(TJMAPFILE ${CMAKE_CURRENT_SOURCE_DIR}/turbojpeg-mapfile.jni)
     endif()
+    if(MSVC)
+      configure_file(${CMAKE_SOURCE_DIR}/win/turbojpeg.rc.in
+        ${CMAKE_BINARY_DIR}/win/turbojpeg.rc)
+      set(TURBOJPEG_SOURCES ${TURBOJPEG_SOURCES}
+        ${CMAKE_BINARY_DIR}/win/turbojpeg.rc)
+    endif()
     add_library(turbojpeg SHARED ${TURBOJPEG_SOURCES})
     set_property(TARGET turbojpeg PROPERTY COMPILE_FLAGS
       "-DBMP_SUPPORTED -DPPM_SUPPORTED")
@@ -679,6 +705,12 @@ add_executable(wrjpgcom wrjpgcom.c)
 # TESTS
 ###############################################################################
 
+if(WITH_FUZZ)
+  add_subdirectory(fuzz)
+endif()
+
+add_executable(strtest strtest.c)
+
 add_subdirectory(md5)
 
 if(MSVC_IDE OR XCODE)
@@ -696,8 +728,10 @@ if(WITH_12BIT)
   set(MD5_PPM_RGB_ISLOW f3301d2219783b8b3d942b7239fa50c0)
   set(MD5_JPEG_422_IFAST_OPT 7322e3bd2f127f7de4b40d4480ce60e4)
   set(MD5_PPM_422_IFAST 79807fa552899e66a04708f533e16950)
+  set(MD5_JPEG_440_ISLOW e25c1912e38367be505a89c410c1c2d2)
+  set(MD5_PPM_440_ISLOW e7d2e26288870cfcb30f3114ad01e380)
   set(MD5_PPM_422M_IFAST 07737bfe8a7c1c87aaa393a0098d16b0)
-  set(MD5_JPEG_420_IFAST_Q100_PROG 008ab68d6ddbba04a8f01deee4e0f9f8)
+  set(MD5_JPEG_420_IFAST_Q100_PROG 9447cef4803d9b0f74bcf333cc710a29)
   set(MD5_PPM_420_Q100_IFAST 1b3730122709f53d007255e8dfd3305e)
   set(MD5_PPM_420M_Q100_IFAST 980a1a3c5bf9510022869d30b7d26566)
   set(MD5_JPEG_GRAY_ISLOW 235c90707b16e2e069f37c888b2636d9)
@@ -707,10 +741,11 @@ if(WITH_12BIT)
 
   set(MD5_JPEG_3x2_FLOAT_PROG_SSE a8c17daf77b457725ec929e215b603f8)
   set(MD5_PPM_3x2_FLOAT_SSE 42876ab9e5c2f76a87d08db5fbd57956)
-  set(MD5_JPEG_3x2_FLOAT_PROG_32BIT a8c17daf77b457725ec929e215b603f8)
-  set(MD5_PPM_3x2_FLOAT_32BIT ${MD5_PPM_3x2_FLOAT_SSE})
-  set(MD5_JPEG_3x2_FLOAT_PROG_64BIT ${MD5_JPEG_3x2_FLOAT_PROG_32BIT})
-  set(MD5_PPM_3x2_FLOAT_64BIT ${MD5_PPM_3x2_FLOAT_SSE})
+  set(MD5_JPEG_3x2_FLOAT_PROG_NO_FP_CONTRACT a8c17daf77b457725ec929e215b603f8)
+  set(MD5_PPM_3x2_FLOAT_NO_FP_CONTRACT ${MD5_PPM_3x2_FLOAT_SSE})
+  set(MD5_JPEG_3x2_FLOAT_PROG_FP_CONTRACT
+    ${MD5_JPEG_3x2_FLOAT_PROG_NO_FP_CONTRACT})
+  set(MD5_PPM_3x2_FLOAT_FP_CONTRACT ${MD5_PPM_3x2_FLOAT_SSE})
   set(MD5_JPEG_3x2_FLOAT_PROG_387 bc6dbbefac2872f6b9d6c4a0ae60c3c0)
   set(MD5_PPM_3x2_FLOAT_387 bcc5723c61560463ac60f772e742d092)
   set(MD5_JPEG_3x2_FLOAT_PROG_MSVC e27840755870fa849872e58aa0cd1400)
@@ -744,10 +779,12 @@ else()
   set(MD5_BMP_RGB_ISLOW_565D 4cfa0928ef3e6bb626d7728c924cfda4)
   set(MD5_JPEG_422_IFAST_OPT 2540287b79d913f91665e660303ab2c8)
   set(MD5_PPM_422_IFAST 35bd6b3f833bad23de82acea847129fa)
+  set(MD5_JPEG_440_ISLOW 538bc02bd4b4658fd85de6ece6cbeda6)
+  set(MD5_PPM_440_ISLOW 11e7eab7ef7ef3276934bb7e7b6bb377)
   set(MD5_PPM_422M_IFAST 8dbc65323d62cca7c91ba02dd1cfa81d)
   set(MD5_BMP_422M_IFAST_565 3294bd4d9a1f2b3d08ea6020d0db7065)
   set(MD5_BMP_422M_IFAST_565D da98c9c7b6039511be4a79a878a9abc1)
-  set(MD5_JPEG_420_IFAST_Q100_PROG e59bb462016a8d9a748c330a3474bb55)
+  set(MD5_JPEG_420_IFAST_Q100_PROG 0ba15f9dab81a703505f835f9dbbac6d)
   set(MD5_PPM_420_Q100_IFAST 5a732542015c278ff43635e473a8a294)
   set(MD5_PPM_420M_Q100_IFAST ff692ee9323a3b424894862557c092f1)
   set(MD5_JPEG_GRAY_ISLOW 72b51f894b8f4a10b3ee3066770aa38d)
@@ -759,10 +796,11 @@ else()
 
   set(MD5_JPEG_3x2_FLOAT_PROG_SSE 343e3f8caf8af5986ebaf0bdc13b5c71)
   set(MD5_PPM_3x2_FLOAT_SSE 1a75f36e5904d6fc3a85a43da9ad89bb)
-  set(MD5_JPEG_3x2_FLOAT_PROG_32BIT 9bca803d2042bd1eb03819e2bf92b3e5)
-  set(MD5_PPM_3x2_FLOAT_32BIT f6bfab038438ed8f5522fbd33595dcdc)
-  set(MD5_JPEG_3x2_FLOAT_PROG_64BIT ${MD5_JPEG_3x2_FLOAT_PROG_32BIT})
-  set(MD5_PPM_3x2_FLOAT_64BIT 0e917a34193ef976b679a6b069b1be26)
+  set(MD5_JPEG_3x2_FLOAT_PROG_NO_FP_CONTRACT 9bca803d2042bd1eb03819e2bf92b3e5)
+  set(MD5_PPM_3x2_FLOAT_NO_FP_CONTRACT f6bfab038438ed8f5522fbd33595dcdc)
+  set(MD5_JPEG_3x2_FLOAT_PROG_FP_CONTRACT
+    ${MD5_JPEG_3x2_FLOAT_PROG_NO_FP_CONTRACT})
+  set(MD5_PPM_3x2_FLOAT_FP_CONTRACT 0e917a34193ef976b679a6b069b1be26)
   set(MD5_JPEG_3x2_FLOAT_PROG_387 1657664a410e0822c924b54f6f65e6e9)
   set(MD5_PPM_3x2_FLOAT_387 cb0a1f027f3d2917c902b5640214e025)
   set(MD5_JPEG_3x2_FLOAT_PROG_MSVC 7999ce9cd0ee9b6c7043b7351ab7639d)
@@ -772,7 +810,7 @@ else()
   set(MD5_PPM_3x2_IFAST fd283664b3b49127984af0a7f118fccd)
   set(MD5_JPEG_420_ISLOW_ARI e986fb0a637a8d833d96e8a6d6d84ea1)
   set(MD5_JPEG_444_ISLOW_PROGARI 0a8f1c8f66e113c3cf635df0a475a617)
-  set(MD5_PPM_420M_IFAST_ARI 72b59a99bcf1de24c5b27d151bde2437)
+  set(MD5_PPM_420M_IFAST_ARI 57251da28a35b46eecb7177d82d10e0e)
   set(MD5_JPEG_420_ISLOW 9a68f56bc76e466aa7e52f415d0f4a5f)
   set(MD5_PPM_420M_ISLOW_2_1 9f9de8c0612f8d06869b960b05abf9c9)
   set(MD5_PPM_420M_ISLOW_15_8 b6875bc070720b899566cc06459b63b7)
@@ -850,11 +888,16 @@ endif()
 #
 # sse = validate against the expected results from the libjpeg-turbo SSE SIMD
 #       extensions
-# 32bit = validate against the expected results from the C code when running on
-#         a 32-bit FPU (or when SSE is being used for floating point math,
-#         which is generally the default with x86-64 compilers)
-# 64bit = validate against the expected results from the C code when running
-#         on a 64-bit FPU
+# no-fp-contract = validate against the expected results from the C code when
+#                  floating point expression contraction is disabled (the
+#                  default with Clang, with GCC when building for platforms
+#                  that lack fused multiply-add [FMA] instructions, or when
+#                  passing -ffp-contract=off to the compiler)
+# fp-contract = validate against the expected results from the C code when
+#               floating point expression contraction is enabled (the default
+#               with GCC when building for platforms that have fused multiply-
+#               add [FMA] instructions or when passing -ffp-contract=fast to
+#               the compiler)
 # 387 = validate against the expected results from the C code when the 387 FPU
 #       is being used for floating point math (which is generally the default
 #       with x86 compilers)
@@ -865,15 +908,18 @@ if(CPU_TYPE STREQUAL "x86_64" OR CPU_TYPE STREQUAL "i386")
   if(WITH_SIMD)
     set(DEFAULT_FLOATTEST sse)
   elseif(CPU_TYPE STREQUAL "x86_64")
-    set(DEFAULT_FLOATTEST 32bit)
-  elseif(CPU_TYPE STREQUAL "i386" AND MSVC)
-    set(DEFAULT_FLOATTEST msvc)
+    set(DEFAULT_FLOATTEST no-fp-contract)
+  # else we can't really set an intelligent default for i386.  The appropriate
+  # value could be no-fp-contract, fp-contract, 387, or msvc, depending on the
+  # compiler and compiler options.  We leave it to the user to set FLOATTEST
+  # manually.
   endif()
 else()
-  if(BITS EQUAL 64)
-    set(DEFAULT_FLOATTEST 64bit)
-  elseif(BITS EQUAL 32)
-    set(DEFAULT_FLOATTEST 32bit)
+  if((CPU_TYPE STREQUAL "powerpc" OR CPU_TYPE STREQUAL "arm64") AND
+    NOT CMAKE_C_COMPILER_ID STREQUAL "Clang" AND NOT MSVC)
+    set(DEFAULT_FLOATTEST fp-contract)
+  else()
+    set(DEFAULT_FLOATTEST no-fp-contract)
   endif()
 endif()
 
@@ -884,15 +930,17 @@ if(DEFINED WITH_SIMD_INT AND NOT WITH_SIMD EQUAL WITH_SIMD_INT)
 endif()
 set(WITH_SIMD_INT ${WITH_SIMD} CACHE INTERNAL "")
 set(FLOATTEST ${DEFAULT_FLOATTEST} CACHE STRING
-  "The type of floating point math used by the floating point DCT/IDCT algorithms.  This tells the testing system which numerical results it should expect from those tests.  [sse = libjpeg-turbo x86/x86-64 SIMD extensions, 32bit = generic 32-bit FPU or SSE, 64bit = generic 64-bit FPU, 387 = 387 FPU, msvc = 32-bit Visual Studio] (default = ${DEFAULT_FLOATTEST})"
+  "The type of floating point math used by the floating point DCT/IDCT algorithms.  This tells the testing system which numerical results it should expect from those tests.  [sse = libjpeg-turbo x86/x86-64 SIMD extensions, no-fp-contract = generic FPU with floating point expression contraction disabled, fp-contract = generic FPU with floating point expression contraction enabled, 387 = 387 FPU, msvc = 32-bit Visual Studio] (default = ${DEFAULT_FLOATTEST})"
   ${FORCE_FLOATTEST})
 message(STATUS "FLOATTEST = ${FLOATTEST}")
 
 if(FLOATTEST)
   string(TOUPPER ${FLOATTEST} FLOATTEST_UC)
+  string(REGEX REPLACE "-" "_" FLOATTEST_UC ${FLOATTEST_UC})
   string(TOLOWER ${FLOATTEST} FLOATTEST)
-  if(NOT FLOATTEST STREQUAL "sse" AND NOT FLOATTEST STREQUAL "32bit" AND
-    NOT FLOATTEST STREQUAL "64bit" AND NOT FLOATTEST STREQUAL "387" AND
+  if(NOT FLOATTEST STREQUAL "sse" AND
+    NOT FLOATTEST STREQUAL "no-fp-contract" AND
+    NOT FLOATTEST STREQUAL "fp-contract" AND NOT FLOATTEST STREQUAL "387" AND
     NOT FLOATTEST STREQUAL "msvc")
     message(FATAL_ERROR "\"${FLOATTEST}\" is not a valid value for FLOATTEST.")
   endif()
@@ -1055,6 +1103,16 @@ foreach(libtype ${TEST_LIBTYPES})
     testout_422_ifast.ppm testout_422_ifast_opt.jpg
     ${MD5_PPM_422_IFAST} cjpeg-${libtype}-422-ifast-opt)
 
+  # CC: RGB->YCC  SAMP: fullsize/h1v2  FDCT: islow  ENT: huff
+  add_bittest(cjpeg 440-islow "-sample;1x2;-dct;int"
+    testout_440_islow.jpg ${TESTIMAGES}/testorig.ppm
+    ${MD5_JPEG_440_ISLOW})
+
+  # CC: YCC->RGB  SAMP: fullsize/h1v2 fancy  IDCT: islow  ENT: huff
+  add_bittest(djpeg 440-islow "-dct;int"
+    testout_440_islow.ppm testout_440_islow.jpg
+    ${MD5_PPM_440_ISLOW} cjpeg-${libtype}-440-islow)
+
   # CC: YCC->RGB  SAMP: h2v1 merged  IDCT: ifast  ENT: huff
   add_bittest(djpeg 422m-ifast "-dct;fast;-nosmooth"
     testout_422m_ifast.ppm testout_422_ifast_opt.jpg
@@ -1163,7 +1221,7 @@ foreach(libtype ${TEST_LIBTYPES})
 
   if(WITH_ARITH_DEC)
     # CC: RGB->YCC  SAMP: h2v2 merged  IDCT: ifast  ENT: arith
-    add_bittest(djpeg 420m-ifast-ari "-fast;-ppm"
+    add_bittest(djpeg 420m-ifast-ari "-fast;-skip;1,20;-ppm"
       testout_420m_ifast_ari.ppm ${TESTIMAGES}/testimgari.jpg
       ${MD5_PPM_420M_IFAST_ARI})
 
@@ -1299,6 +1357,11 @@ endforeach()
 add_custom_target(testclean COMMAND ${CMAKE_COMMAND} -P
   ${CMAKE_CURRENT_SOURCE_DIR}/cmakescripts/testclean.cmake)
 
+configure_file(croptest.in croptest @ONLY)
+add_custom_target(croptest
+  COMMAND echo croptest
+  COMMAND ${BASH} ${CMAKE_CURRENT_BINARY_DIR}/croptest)
+
 if(WITH_TURBOJPEG)
   configure_file(tjbenchtest.in tjbenchtest @ONLY)
   configure_file(tjexampletest.in tjexampletest @ONLY)
@@ -1366,10 +1429,13 @@ set(EXE ${CMAKE_EXECUTABLE_SUFFIX})
 
 if(WITH_TURBOJPEG)
   if(ENABLE_SHARED)
-    install(TARGETS turbojpeg tjbench
+    install(TARGETS turbojpeg EXPORT ${CMAKE_PROJECT_NAME}Targets
+      INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
       ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
       LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
       RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
+    install(TARGETS tjbench
+      RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
     if(NOT CMAKE_VERSION VERSION_LESS "3.1" AND MSVC AND
       CMAKE_C_LINKER_SUPPORTS_PDB)
       install(FILES "$<TARGET_PDB_FILE:turbojpeg>"
@@ -1377,8 +1443,9 @@ if(WITH_TURBOJPEG)
     endif()
   endif()
   if(ENABLE_STATIC)
-    install(TARGETS turbojpeg-static ARCHIVE
-      DESTINATION ${CMAKE_INSTALL_LIBDIR})
+    install(TARGETS turbojpeg-static EXPORT ${CMAKE_PROJECT_NAME}Targets
+      INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
+      ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR})
     if(NOT ENABLE_SHARED)
       if(MSVC_IDE OR XCODE)
         set(DIR "${CMAKE_CURRENT_BINARY_DIR}/\${CMAKE_INSTALL_CONFIG_NAME}")
@@ -1394,7 +1461,9 @@ if(WITH_TURBOJPEG)
 endif()
 
 if(ENABLE_STATIC)
-  install(TARGETS jpeg-static ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR})
+  install(TARGETS jpeg-static EXPORT ${CMAKE_PROJECT_NAME}Targets
+    INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
+    ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR})
   if(NOT ENABLE_SHARED)
     if(MSVC_IDE OR XCODE)
       set(DIR "${CMAKE_CURRENT_BINARY_DIR}/\${CMAKE_INSTALL_CONFIG_NAME}")
@@ -1432,8 +1501,18 @@ if(UNIX OR MINGW)
     DESTINATION ${CMAKE_INSTALL_MANDIR}/man1)
 endif()
 install(FILES ${CMAKE_CURRENT_BINARY_DIR}/pkgscripts/libjpeg.pc
-  ${CMAKE_CURRENT_BINARY_DIR}/pkgscripts/libturbojpeg.pc
   DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
+if(WITH_TURBOJPEG)
+  install(FILES ${CMAKE_CURRENT_BINARY_DIR}/pkgscripts/libturbojpeg.pc
+    DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
+endif()
+install(FILES
+  ${CMAKE_CURRENT_BINARY_DIR}/pkgscripts/${CMAKE_PROJECT_NAME}Config.cmake
+  ${CMAKE_CURRENT_BINARY_DIR}/pkgscripts/${CMAKE_PROJECT_NAME}ConfigVersion.cmake
+  DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/${CMAKE_PROJECT_NAME})
+install(EXPORT ${CMAKE_PROJECT_NAME}Targets
+  NAMESPACE ${CMAKE_PROJECT_NAME}::
+  DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/${CMAKE_PROJECT_NAME})
 
 install(FILES ${CMAKE_CURRENT_BINARY_DIR}/jconfig.h
   ${CMAKE_CURRENT_SOURCE_DIR}/jerror.h ${CMAKE_CURRENT_SOURCE_DIR}/jmorecfg.h

ChangeLog.md

@@ -1,3 +1,353 @@
+2.1.4
+=====
+
+### Significant changes relative to 2.1.3
+
+1. Fixed a regression introduced in 2.1.3 that caused build failures with
+Visual Studio 2010.
+
+2. The `tjDecompressHeader3()` function in the TurboJPEG C API and the
+`TJDecompressor.setSourceImage()` method in the TurboJPEG Java API now accept
+"abbreviated table specification" (AKA "tables-only") datastreams, which can be
+used to prime the decompressor with quantization and Huffman tables that can be
+used when decompressing subsequent "abbreviated image" datastreams.
+
+3. libjpeg-turbo now performs run-time detection of AltiVec instructions on
+OS X/PowerPC systems if AltiVec instructions are not enabled at compile time.
+This allows both AltiVec-equipped (PowerPC G4 and G5) and non-AltiVec-equipped
+(PowerPC G3) CPUs to be supported using the same build of libjpeg-turbo.
+
+4. Fixed an error ("Bogus virtual array access") that occurred when attempting
+to decompress a progressive JPEG image with a height less than or equal to one
+iMCU (8 * the vertical sampling factor) using buffered-image mode with
+interblock smoothing enabled.  This was a regression introduced by
+2.1 beta1[6(b)].
+
+5. Fixed two issues that prevented partial image decompression from working
+properly with buffered-image mode:
+
+     - Attempting to call `jpeg_crop_scanline()` after
+`jpeg_start_decompress()` but before `jpeg_start_output()` resulted in an error
+("Improper call to JPEG library in state 207".)
+     - Attempting to use `jpeg_skip_scanlines()` resulted in an error ("Bogus
+virtual array access") under certain circumstances.
+
+
+2.1.3
+=====
+
+### Significant changes relative to 2.1.2
+
+1. Fixed a regression introduced by 2.0 beta1[7] whereby cjpeg compressed PGM
+input files into full-color JPEG images unless the `-grayscale` option was
+used.
+
+2. cjpeg now automatically compresses GIF and 8-bit BMP input files into
+grayscale JPEG images if the input files contain only shades of gray.
+
+3. The build system now enables the intrinsics implementation of the AArch64
+(Arm 64-bit) Neon SIMD extensions by default when using GCC 12 or later.
+
+4. Fixed a segfault that occurred while decompressing a 4:2:0 JPEG image using
+the merged (non-fancy) upsampling algorithms (that is, with
+`cinfo.do_fancy_upsampling` set to `FALSE`) along with `jpeg_crop_scanline()`.
+Specifically, the segfault occurred if the number of bytes remaining in the
+output buffer was less than the number of bytes required to represent one
+uncropped scanline of the output image.  For that reason, the issue could only
+be reproduced using the libjpeg API, not using djpeg.
+
+
+2.1.2
+=====
+
+### Significant changes relative to 2.1.1
+
+1. Fixed a regression introduced by 2.1 beta1[13] that caused the remaining
+GAS implementations of AArch64 (Arm 64-bit) Neon SIMD functions (which are used
+by default with GCC for performance reasons) to be placed in the `.rodata`
+section rather than in the `.text` section.  This caused the GNU linker to
+automatically place the `.rodata` section in an executable segment, which
+prevented libjpeg-turbo from working properly with other linkers and also
+represented a potential security risk.
+
+2. Fixed an issue whereby the `tjTransform()` function incorrectly computed the
+MCU block size for 4:4:4 JPEG images with non-unary sampling factors and thus
+unduly rejected some cropping regions, even though those regions aligned with
+8x8 MCU block boundaries.
+
+3. Fixed a regression introduced by 2.1 beta1[13] that caused the build system
+to enable the Arm Neon SIMD extensions when targetting Armv6 and other legacy
+architectures that do not support Neon instructions.
+
+4. libjpeg-turbo now performs run-time detection of AltiVec instructions on
+FreeBSD/PowerPC systems if AltiVec instructions are not enabled at compile
+time.  This allows both AltiVec-equipped and non-AltiVec-equipped CPUs to be
+supported using the same build of libjpeg-turbo.
+
+5. cjpeg now accepts a `-strict` argument similar to that of djpeg and
+jpegtran, which causes the compressor to abort if an LZW-compressed GIF input
+image contains incomplete or corrupt image data.
+
+
+2.1.1
+=====
+
+### Significant changes relative to 2.1.0
+
+1. Fixed a regression introduced in 2.1.0 that caused build failures with
+non-GCC-compatible compilers for Un*x/Arm platforms.
+
+2. Fixed a regression introduced by 2.1 beta1[13] that prevented the Arm 32-bit
+(AArch32) Neon SIMD extensions from building unless the C compiler flags
+included `-mfloat-abi=softfp` or `-mfloat-abi=hard`.
+
+3. Fixed an issue in the AArch32 Neon SIMD Huffman encoder whereby reliance on
+undefined C compiler behavior led to crashes ("SIGBUS: illegal alignment") on
+Android systems when running AArch32/Thumb builds of libjpeg-turbo built with
+recent versions of Clang.
+
+4. Added a command-line argument (`-copy icc`) to jpegtran that causes it to
+copy only the ICC profile markers from the source file and discard any other
+metadata.
+
+5. libjpeg-turbo should now build and run on CHERI-enabled architectures, which
+use capability pointers that are larger than the size of `size_t`.
+
+6. Fixed a regression (CVE-2021-37972) introduced by 2.1 beta1[5] that caused a
+segfault in the 64-bit SSE2 Huffman encoder when attempting to losslessly
+transform a specially-crafted malformed JPEG image.
+
+
+2.1.0
+=====
+
+### Significant changes relative to 2.1 beta1
+
+1. Fixed a regression introduced by 2.1 beta1[6(b)] whereby attempting to
+decompress certain progressive JPEG images with one or more component planes of
+width 8 or less caused a buffer overrun.
+
+2. Fixed a regression introduced by 2.1 beta1[6(b)] whereby attempting to
+decompress a specially-crafted malformed progressive JPEG image caused the
+block smoothing algorithm to read from uninitialized memory.
+
+3. Fixed an issue in the Arm Neon SIMD Huffman encoders that caused the
+encoders to generate incorrect results when using the Clang compiler with
+Visual Studio.
+
+4. Fixed a floating point exception (CVE-2021-20205) that occurred when
+attempting to compress a specially-crafted malformed GIF image with a specified
+image width of 0 using cjpeg.
+
+5. Fixed a regression introduced by 2.0 beta1[15] whereby attempting to
+generate a progressive JPEG image on an SSE2-capable CPU using a scan script
+containing one or more scans with lengths divisible by 32 and non-zero
+successive approximation low bit positions would, under certain circumstances,
+result in an error ("Missing Huffman code table entry") and an invalid JPEG
+image.
+
+6. Introduced a new flag (`TJFLAG_LIMITSCANS` in the TurboJPEG C API and
+`TJ.FLAG_LIMIT_SCANS` in the TurboJPEG Java API) and a corresponding TJBench
+command-line argument (`-limitscans`) that causes the TurboJPEG decompression
+and transform functions/operations to return/throw an error if a progressive
+JPEG image contains an unreasonably large number of scans.  This allows
+applications that use the TurboJPEG API to guard against an exploit of the
+progressive JPEG format described in the report
+["Two Issues with the JPEG Standard"](https://libjpeg-turbo.org/pmwiki/uploads/About/TwoIssueswiththeJPEGStandard.pdf).
+
+7. The PPM reader now throws an error, rather than segfaulting (due to a buffer
+overrun) or generating incorrect pixels, if an application attempts to use the
+`tjLoadImage()` function to load a 16-bit binary PPM file (a binary PPM file
+with a maximum value greater than 255) into a grayscale image buffer or to load
+a 16-bit binary PGM file into an RGB image buffer.
+
+8. Fixed an issue in the PPM reader that caused incorrect pixels to be
+generated when using the `tjLoadImage()` function to load a 16-bit binary PPM
+file into an extended RGB image buffer.
+
+9. Fixed an issue whereby, if a JPEG buffer was automatically re-allocated by
+one of the TurboJPEG compression or transform functions and an error
+subsequently occurred during compression or transformation, the JPEG buffer
+pointer passed by the application was not updated when the function returned.
+
+
+2.0.90 (2.1 beta1)
+==================
+
+### Significant changes relative to 2.0.6:
+
+1. The build system, x86-64 SIMD extensions, and accelerated Huffman codec now
+support the x32 ABI on Linux, which allows for using x86-64 instructions with
+32-bit pointers.  The x32 ABI is generally enabled by adding `-mx32` to the
+compiler flags.
+
+     Caveats:
+     - CMake 3.9.0 or later is required in order for the build system to
+automatically detect an x32 build.
+     - Java does not support the x32 ABI, and thus the TurboJPEG Java API will
+automatically be disabled with x32 builds.
+
+2. Added Loongson MMI SIMD implementations of the RGB-to-grayscale, 4:2:2 fancy
+chroma upsampling, 4:2:2 and 4:2:0 merged chroma upsampling/color conversion,
+and fast integer DCT/IDCT algorithms.  Relative to libjpeg-turbo 2.0.x, this
+speeds up:
+
+     - the compression of RGB source images into grayscale JPEG images by
+approximately 20%
+     - the decompression of 4:2:2 JPEG images by approximately 40-60% when
+using fancy upsampling
+     - the decompression of 4:2:2 and 4:2:0 JPEG images by approximately
+15-20% when using merged upsampling
+     - the compression of RGB source images by approximately 30-45% when using
+the fast integer DCT
+     - the decompression of JPEG images into RGB destination images by
+approximately 2x when using the fast integer IDCT
+
+    The overall decompression speedup for RGB images is now approximately
+2.3-3.7x (compared to 2-3.5x with libjpeg-turbo 2.0.x.)
+
+3. 32-bit (Armv7 or Armv7s) iOS builds of libjpeg-turbo are no longer
+supported, and the libjpeg-turbo build system can no longer be used to package
+such builds.  32-bit iOS apps cannot run in iOS 11 and later, and the App Store
+no longer allows them.
+
+4. 32-bit (i386) OS X/macOS builds of libjpeg-turbo are no longer supported,
+and the libjpeg-turbo build system can no longer be used to package such
+builds.  32-bit Mac applications cannot run in macOS 10.15 "Catalina" and
+later, and the App Store no longer allows them.
+
+5. The SSE2 (x86 SIMD) and C Huffman encoding algorithms have been
+significantly optimized, resulting in a measured average overall compression
+speedup of 12-28% for 64-bit code and 22-52% for 32-bit code on various Intel
+and AMD CPUs, as well as a measured average overall compression speedup of
+0-23% on platforms that do not have a SIMD-accelerated Huffman encoding
+implementation.
+
+6. The block smoothing algorithm that is applied by default when decompressing
+progressive Huffman-encoded JPEG images has been improved in the following
+ways:
+
+     - The algorithm is now more fault-tolerant.  Previously, if a particular
+scan was incomplete, then the smoothing parameters for the incomplete scan
+would be applied to the entire output image, including the parts of the image
+that were generated by the prior (complete) scan.  Visually, this had the
+effect of removing block smoothing from lower-frequency scans if they were
+followed by an incomplete higher-frequency scan.  libjpeg-turbo now applies
+block smoothing parameters to each iMCU row based on which scan generated the
+pixels in that row, rather than always using the block smoothing parameters for
+the most recent scan.
+     - When applying block smoothing to DC scans, a Gaussian-like kernel with a
+5x5 window is used to reduce the "blocky" appearance.
+
+7. Added SIMD acceleration for progressive Huffman encoding on Arm platforms.
+This speeds up the compression of full-color progressive JPEGs by about 30-40%
+on average (relative to libjpeg-turbo 2.0.x) when using modern Arm CPUs.
+
+8. Added configure-time and run-time auto-detection of Loongson MMI SIMD
+instructions, so that the Loongson MMI SIMD extensions can be included in any
+MIPS64 libjpeg-turbo build.
+
+9. Added fault tolerance features to djpeg and jpegtran, mainly to demonstrate
+methods by which applications can guard against the exploits of the JPEG format
+described in the report
+["Two Issues with the JPEG Standard"](https://libjpeg-turbo.org/pmwiki/uploads/About/TwoIssueswiththeJPEGStandard.pdf).
+
+     - Both programs now accept a `-maxscans` argument, which can be used to
+limit the number of allowable scans in the input file.
+     - Both programs now accept a `-strict` argument, which can be used to
+treat all warnings as fatal.
+
+10. CMake package config files are now included for both the libjpeg and
+TurboJPEG API libraries.  This facilitates using libjpeg-turbo with CMake's
+`find_package()` function.  For example:
+
+        find_package(libjpeg-turbo CONFIG REQUIRED)
+
+        add_executable(libjpeg_program libjpeg_program.c)
+        target_link_libraries(libjpeg_program PUBLIC libjpeg-turbo::jpeg)
+
+        add_executable(libjpeg_program_static libjpeg_program.c)
+        target_link_libraries(libjpeg_program_static PUBLIC
+          libjpeg-turbo::jpeg-static)
+
+        add_executable(turbojpeg_program turbojpeg_program.c)
+        target_link_libraries(turbojpeg_program PUBLIC
+          libjpeg-turbo::turbojpeg)
+
+        add_executable(turbojpeg_program_static turbojpeg_program.c)
+        target_link_libraries(turbojpeg_program_static PUBLIC
+          libjpeg-turbo::turbojpeg-static)
+
+11. Since the Unisys LZW patent has long expired, cjpeg and djpeg can now
+read/write both LZW-compressed and uncompressed GIF files (feature ported from
+jpeg-6a and jpeg-9d.)
+
+12. jpegtran now includes the `-wipe` and `-drop` options from jpeg-9a and
+jpeg-9d, as well as the ability to expand the image size using the `-crop`
+option.  Refer to jpegtran.1 or usage.txt for more details.
+
+13. Added a complete intrinsics implementation of the Arm Neon SIMD extensions,
+thus providing SIMD acceleration on Arm platforms for all of the algorithms
+that are SIMD-accelerated on x86 platforms.  This new implementation is
+significantly faster in some cases than the old GAS implementation--
+depending on the algorithms used, the type of CPU core, and the compiler.  GCC,
+as of this writing, does not provide a full or optimal set of Neon intrinsics,
+so for performance reasons, the default when building libjpeg-turbo with GCC is
+to continue using the GAS implementation of the following algorithms:
+
+     - 32-bit RGB-to-YCbCr color conversion
+     - 32-bit fast and accurate inverse DCT
+     - 64-bit RGB-to-YCbCr and YCbCr-to-RGB color conversion
+     - 64-bit accurate forward and inverse DCT
+     - 64-bit Huffman encoding
+
+    A new CMake variable (`NEON_INTRINSICS`) can be used to override this
+default.
+
+    Since the new intrinsics implementation includes SIMD acceleration
+for merged upsampling/color conversion, 1.5.1[5] is no longer necessary and has
+been reverted.
+
+14. The Arm Neon SIMD extensions can now be built using Visual Studio.
+
+15. The build system can now be used to generate a universal x86-64 + Armv8
+libjpeg-turbo SDK package for both iOS and macOS.
+
+
+2.0.6
+=====
+
+### Significant changes relative to 2.0.5:
+
+1. Fixed "using JNI after critical get" errors that occurred on Android
+platforms when using any of the YUV encoding/compression/decompression/decoding
+methods in the TurboJPEG Java API.
+
+2. Fixed or worked around multiple issues with `jpeg_skip_scanlines()`:
+
+     - Fixed segfaults or "Corrupt JPEG data: premature end of data segment"
+errors in `jpeg_skip_scanlines()` that occurred when decompressing 4:2:2 or
+4:2:0 JPEG images using merged (non-fancy) upsampling/color conversion (that
+is, when setting `cinfo.do_fancy_upsampling` to `FALSE`.)  2.0.0[6] was a
+similar fix, but it did not cover all cases.
+     - `jpeg_skip_scanlines()` now throws an error if two-pass color
+quantization is enabled.  Two-pass color quantization never worked properly
+with `jpeg_skip_scanlines()`, and the issues could not readily be fixed.
+     - Fixed an issue whereby `jpeg_skip_scanlines()` always returned 0 when
+skipping past the end of an image.
+
+3. The Arm 64-bit (Armv8) Neon SIMD extensions can now be built using MinGW
+toolchains targetting Arm64 (AArch64) Windows binaries.
+
+4. Fixed unexpected visual artifacts that occurred when using
+`jpeg_crop_scanline()` and interblock smoothing while decompressing only the DC
+scan of a progressive JPEG image.
+
+5. Fixed an issue whereby libjpeg-turbo would not build if 12-bit-per-component
+JPEG support (`WITH_12BIT`) was enabled along with libjpeg v7 or libjpeg v8
+API/ABI emulation (`WITH_JPEG7` or `WITH_JPEG8`.)
+
+
 2.0.5
 =====
 
@@ -54,17 +404,17 @@ JPEG images.  This was known to cause a buffer overflow when attempting to
 decompress some such images using `tjDecompressToYUV2()` or
 `tjDecompressToYUVPlanes()`.
 
-5. Fixed an issue, detected by ASan, whereby attempting to losslessly transform
-a specially-crafted malformed JPEG image containing an extremely-high-frequency
-coefficient block (junk image data that could never be generated by a
-legitimate JPEG compressor) could cause the Huffman encoder's local buffer to
-be overrun. (Refer to 1.4.0[9] and 1.4beta1[15].)  Given that the buffer
-overrun was fully contained within the stack and did not cause a segfault or
-other user-visible errant behavior, and given that the lossless transformer
-(unlike the decompressor) is not generally exposed to arbitrary data exploits,
-this issue did not likely pose a security risk.
+5. Fixed an issue (CVE-2020-17541), detected by ASan, whereby attempting to
+losslessly transform a specially-crafted malformed JPEG image containing an
+extremely-high-frequency coefficient block (junk image data that could never be
+generated by a legitimate JPEG compressor) could cause the Huffman encoder's
+local buffer to be overrun. (Refer to 1.4.0[9] and 1.4beta1[15].)  Given that
+the buffer overrun was fully contained within the stack and did not cause a
+segfault or other user-visible errant behavior, and given that the lossless
+transformer (unlike the decompressor) is not generally exposed to arbitrary
+data exploits, this issue did not likely pose a security risk.
 
-6. The ARM 64-bit (ARMv8) NEON SIMD assembly code now stores constants in a
+6. The Arm 64-bit (Armv8) Neon SIMD assembly code now stores constants in a
 separate read-only data section rather than in the text section, to support
 execute-only memory layouts.
 
@@ -246,7 +596,7 @@ detect actual security issues, should they arise in the future.
 
 1. Added AVX2 SIMD implementations of the colorspace conversion, chroma
 downsampling and upsampling, integer quantization and sample conversion, and
-slow integer DCT/IDCT algorithms.  When using the slow integer DCT/IDCT
+accurate integer DCT/IDCT algorithms.  When using the accurate integer DCT/IDCT
 algorithms on AVX2-equipped CPUs, the compression of RGB images is
 approximately 13-36% (avg. 22%) faster (relative to libjpeg-turbo 1.5.x) with
 64-bit code and 11-21% (avg. 17%) faster with 32-bit code, and the
@@ -350,16 +700,16 @@ algorithm that caused incorrect dithering in the output image.  This algorithm
 now produces bitwise-identical results to the unmerged algorithms.
 
 12. The SIMD function symbols for x86[-64]/ELF, MIPS/ELF, macOS/x86[-64] (if
-libjpeg-turbo is built with YASM), and iOS/ARM[64] builds are now private.
+libjpeg-turbo is built with Yasm), and iOS/Arm[64] builds are now private.
 This prevents those symbols from being exposed in applications or shared
 libraries that link statically with libjpeg-turbo.
 
 13. Added Loongson MMI SIMD implementations of the RGB-to-YCbCr and
 YCbCr-to-RGB colorspace conversion, 4:2:0 chroma downsampling, 4:2:0 fancy
-chroma upsampling, integer quantization, and slow integer DCT/IDCT algorithms.
-When using the slow integer DCT/IDCT, this speeds up the compression of RGB
-images by approximately 70-100% and the decompression of RGB images by
-approximately 2-3.5x.
+chroma upsampling, integer quantization, and accurate integer DCT/IDCT
+algorithms.  When using the accurate integer DCT/IDCT, this speeds up the
+compression of RGB images by approximately 70-100% and the decompression of RGB
+images by approximately 2-3.5x.
 
 14. Fixed a build error when building with older MinGW releases (regression
 caused by 1.5.1[7].)
@@ -409,9 +759,9 @@ end of a single-scan (non-progressive) image, subsequent calls to
 `jpeg_consume_input()` would return `JPEG_SUSPENDED` rather than
 `JPEG_REACHED_EOI`.
 
-9. `jpeg_crop_scanlines()` now works correctly when decompressing grayscale
-JPEG images that were compressed with a sampling factor other than 1 (for
-instance, with `cjpeg -grayscale -sample 2x2`).
+9. `jpeg_crop_scanline()` now works correctly when decompressing grayscale JPEG
+images that were compressed with a sampling factor other than 1 (for instance,
+with `cjpeg -grayscale -sample 2x2`).
 
 
 1.5.2
@@ -435,7 +785,7 @@ on PowerPC-based AmigaOS 4 and OpenBSD systems.
 5. Fixed build and runtime errors on Windows that occurred when building
 libjpeg-turbo with libjpeg v7 API/ABI emulation and the in-memory
 source/destination managers.  Due to an oversight, the `jpeg_skip_scanlines()`
-and `jpeg_crop_scanlines()` functions were not being included in jpeg7.dll when
+and `jpeg_crop_scanline()` functions were not being included in jpeg7.dll when
 libjpeg-turbo was built with `-DWITH_JPEG7=1` and `-DWITH_MEMSRCDST=1`.
 
 6. Fixed "Bogus virtual array access" error that occurred when using the
@@ -691,8 +1041,8 @@ benchmarking or regression testing, SIMD-accelerated Huffman encoding can be
 disabled by setting the `JSIMD_NOHUFFENC` environment variable to `1`.
 
 13. Added ARM 64-bit (ARMv8) NEON SIMD implementations of the commonly-used
-compression algorithms (including the slow integer forward DCT and h2v2 & h2v1
-downsampling algorithms, which are not accelerated in the 32-bit NEON
+compression algorithms (including the accurate integer forward DCT and h2v2 &
+h2v1 downsampling algorithms, which are not accelerated in the 32-bit NEON
 implementation.)  This speeds up the compression of full-color JPEGs by about
 75% on average on a Cavium ThunderX processor and by about 2-2.5x on average on
 Cortex-A53 and Cortex-A57 cores.
@@ -823,8 +1173,8 @@ platforms other than Windows or Linux.  Oops.
 
 7. Fixed an extremely rare bug in the Huffman encoder that caused 64-bit
 builds of libjpeg-turbo to incorrectly encode a few specific test images when
-quality=98, an optimized Huffman table, and the slow integer forward DCT were
-used.
+quality=98, an optimized Huffman table, and the accurate integer forward DCT
+were used.
 
 8. The Windows (CMake) build system now supports building only static or only
 shared libraries.  This is accomplished by adding either `-DENABLE_STATIC=0` or
@@ -983,8 +1333,8 @@ floating point inverse DCT (using code borrowed from libjpeg v8a and later.)
 The accuracy of this implementation now matches the accuracy of the SSE/SSE2
 implementation.  Note, however, that the floating point DCT/IDCT algorithms are
 mainly a legacy feature.  They generally do not produce significantly better
-accuracy than the slow integer DCT/IDCT algorithms, and they are quite a bit
-slower.
+accuracy than the accurate integer DCT/IDCT algorithms, and they are quite a
+bit slower.
 
 8. Added a new output colorspace (`JCS_RGB565`) to the libjpeg API that allows
 for decompressing JPEG images into RGB565 (16-bit) pixels.  If dithering is not
@@ -1235,8 +1585,8 @@ either the fast or the accurate DCT/IDCT algorithms in the underlying codec.
 
 ### Significant changes relative to 1.2 beta1:
 
-1. Fixed build issue with YASM on Unix systems (the libjpeg-turbo build system
-was not adding the current directory to the assembler include path, so YASM
+1. Fixed build issue with Yasm on Unix systems (the libjpeg-turbo build system
+was not adding the current directory to the assembler include path, so Yasm
 was not able to find jsimdcfg.inc.)
 
 2. Fixed out-of-bounds read in SSE2 SIMD code that occurred when decompressing
@@ -1304,7 +1654,7 @@ transposed or rotated 90 degrees.
 8. All legacy VirtualGL code has been re-factored, and this has allowed
 libjpeg-turbo, in its entirety, to be re-licensed under a BSD-style license.
 
-9. libjpeg-turbo can now be built with YASM.
+9. libjpeg-turbo can now be built with Yasm.
 
 10. Added SIMD acceleration for ARM Linux and iOS platforms that support
 NEON instructions.
@@ -1394,8 +1744,8 @@ cases.
 
 2. Despite the above, the fast integer forward DCT still degrades somewhat for
 JPEG qualities greater than 95, so the TurboJPEG wrapper will now automatically
-use the slow integer forward DCT when generating JPEG images of quality 96 or
-greater.  This reduces compression performance by as much as 15% for these
+use the accurate integer forward DCT when generating JPEG images of quality 96
+or greater.  This reduces compression performance by as much as 15% for these
 high-quality images but is necessary to ensure that the images are perceptually
 lossless.  It also ensures that the library can avoid the performance pitfall
 created by [1].

LICENSE.md

@@ -91,7 +91,7 @@ best of our understanding.
 The Modified (3-clause) BSD License
 ===================================
 
-Copyright (C)2009-2020 D. R. Commander.  All Rights Reserved.
+Copyright (C)2009-2022 D. R. Commander.  All Rights Reserved.<br>
 Copyright (C)2015 Viktor Szathmáry.  All Rights Reserved.
 
 Redistribution and use in source and binary forms, with or without

README.ijg

@@ -128,7 +128,7 @@ with respect to this software, its quality, accuracy, merchantability, or
 fitness for a particular purpose.  This software is provided "AS IS", and you,
 its user, assume the entire risk as to its quality and accuracy.
 
-This software is copyright (C) 1991-2016, Thomas G. Lane, Guido Vollbeding.
+This software is copyright (C) 1991-2020, Thomas G. Lane, Guido Vollbeding.
 All Rights Reserved except as specified below.
 
 Permission is hereby granted to use, copy, modify, and distribute this
@@ -159,19 +159,6 @@ commercial products, provided that all warranty or liability claims are
 assumed by the product vendor.
 
 
-The IJG distribution formerly included code to read and write GIF files.
-To avoid entanglement with the Unisys LZW patent (now expired), GIF reading
-support has been removed altogether, and the GIF writer has been simplified
-to produce "uncompressed GIFs".  This technique does not use the LZW
-algorithm; the resulting GIF files are larger than usual, but are readable
-by all standard GIF decoders.
-
-We are required to state that
-    "The Graphics Interchange Format(c) is the Copyright property of
-    CompuServe Incorporated.  GIF(sm) is a Service Mark property of
-    CompuServe Incorporated."
-
-
 REFERENCES
 ==========
 
@@ -223,12 +210,12 @@ https://www.iso.org/standard/54989.html and http://www.itu.int/rec/T-REC-T.871.
 A PDF file of the older JFIF 1.02 specification is available at
 http://www.w3.org/Graphics/JPEG/jfif3.pdf.
 
-The TIFF 6.0 file format specification can be obtained by FTP from
-ftp://ftp.sgi.com/graphics/tiff/TIFF6.ps.gz.  The JPEG incorporation scheme
-found in the TIFF 6.0 spec of 3-June-92 has a number of serious problems.
-IJG does not recommend use of the TIFF 6.0 design (TIFF Compression tag 6).
-Instead, we recommend the JPEG design proposed by TIFF Technical Note #2
-(Compression tag 7).  Copies of this Note can be obtained from
+The TIFF 6.0 file format specification can be obtained from
+http://mirrors.ctan.org/graphics/tiff/TIFF6.ps.gz.  The JPEG incorporation
+scheme found in the TIFF 6.0 spec of 3-June-92 has a number of serious
+problems.  IJG does not recommend use of the TIFF 6.0 design (TIFF Compression
+tag 6).  Instead, we recommend the JPEG design proposed by TIFF Technical Note
+#2 (Compression tag 7).  Copies of this Note can be obtained from
 http://www.ijg.org/files/.  It is expected that the next revision
 of the TIFF spec will replace the 6.0 JPEG design with the Note's design.
 Although IJG's own code does not support TIFF/JPEG, the free libtiff library
@@ -243,14 +230,8 @@ The most recent released version can always be found there in
 directory "files".
 
 The JPEG FAQ (Frequently Asked Questions) article is a source of some
-general information about JPEG.
-It is available on the World Wide Web at http://www.faqs.org/faqs/jpeg-faq/
-and other news.answers archive sites, including the official news.answers
-archive at rtfm.mit.edu: ftp://rtfm.mit.edu/pub/usenet/news.answers/jpeg-faq/.
-If you don't have Web or FTP access, send e-mail to mail-server@rtfm.mit.edu
-with body
-        send usenet/news.answers/jpeg-faq/part1
-        send usenet/news.answers/jpeg-faq/part2
+general information about JPEG.  It is available at
+http://www.faqs.org/faqs/jpeg-faq.
 
 
 FILE FORMAT COMPATIBILITY

README.md

@@ -2,8 +2,8 @@ Background
 ==========
 
 libjpeg-turbo is a JPEG image codec that uses SIMD instructions to accelerate
-baseline JPEG compression and decompression on x86, x86-64, ARM, PowerPC, and
-MIPS systems, as well as progressive JPEG compression on x86 and x86-64
+baseline JPEG compression and decompression on x86, x86-64, Arm, PowerPC, and
+MIPS systems, as well as progressive JPEG compression on x86, x86-64, and Arm
 systems.  On such systems, libjpeg-turbo is generally 2-6x as fast as libjpeg,
 all else being equal.  On other types of systems, libjpeg-turbo can still
 outperform libjpeg by a significant amount, by virtue of its highly-optimized
@@ -179,8 +179,8 @@ supported and which aren't.
 
 NOTE:  As of this writing, extensive research has been conducted into the
 usefulness of DCT scaling as a means of data reduction and SmartScale as a
-means of quality improvement.  The reader is invited to peruse the research at
-<http://www.libjpeg-turbo.org/About/SmartScale> and draw his/her own conclusions,
+means of quality improvement.  Readers are invited to peruse the research at
+<http://www.libjpeg-turbo.org/About/SmartScale> and draw their own conclusions,
 but it is the general belief of our project that these features have not
 demonstrated sufficient usefulness to justify inclusion in libjpeg-turbo.
 
@@ -287,12 +287,13 @@ following reasons:
   (and slightly faster) floating point IDCT algorithm introduced in libjpeg
   v8a as opposed to the algorithm used in libjpeg v6b.  It should be noted,
   however, that this algorithm basically brings the accuracy of the floating
-  point IDCT in line with the accuracy of the slow integer IDCT.  The floating
-  point DCT/IDCT algorithms are mainly a legacy feature, and they do not
-  produce significantly more accuracy than the slow integer algorithms (to put
-  numbers on this, the typical difference in PNSR between the two algorithms
-  is less than 0.10 dB, whereas changing the quality level by 1 in the upper
-  range of the quality scale is typically more like a 1.0 dB difference.)
+  point IDCT in line with the accuracy of the accurate integer IDCT.  The
+  floating point DCT/IDCT algorithms are mainly a legacy feature, and they do
+  not produce significantly more accuracy than the accurate integer algorithms
+  (to put numbers on this, the typical difference in PNSR between the two
+  algorithms is less than 0.10 dB, whereas changing the quality level by 1 in
+  the upper range of the quality scale is typically more like a 1.0 dB
+  difference.)
 
 - If the floating point algorithms in libjpeg-turbo are not implemented using
   SIMD instructions on a particular platform, then the accuracy of the
@@ -340,7 +341,7 @@ The algorithm used by the SIMD-accelerated quantization function cannot produce
 correct results whenever the fast integer forward DCT is used along with a JPEG
 quality of 98-100.  Thus, libjpeg-turbo must use the non-SIMD quantization
 function in those cases.  This causes performance to drop by as much as 40%.
-It is therefore strongly advised that you use the slow integer forward DCT
+It is therefore strongly advised that you use the accurate integer forward DCT
 whenever encoding images with a JPEG quality of 98 or higher.
 
 

appveyor.yml

@@ -20,16 +20,18 @@ install:
 
       7z x c:\installers\x86_64-6.4.0-release-posix-seh-rt_v5-rev0.7z -o"c:\Program Files\mingw-w64\x86_64-6.4.0-posix-seh-rt_v5-rev0" > c:\installers\mingw64.install.log
 
-      set INCLUDE=c:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\include;c:\Program Files (x86)\Microsoft SDKs\Windows\v7.1A\include
+      set PATH=c:\nasm-2.10.01;c:\Program Files (x86)\NSIS;c:\msys64\usr\bin;%PATH%
 
-      set LIB=c:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\lib\amd64;c:\Program Files (x86)\Microsoft SDKs\Windows\v7.1A\lib\x64
+      "c:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\bin\amd64\vcvars64.bat"
 
-      set PATH=c:\nasm-2.10.01;c:\Program Files (x86)\NSIS;c:\msys64\usr\bin;c:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\bin\amd64;c:\Program Files (x86)\Microsoft Visual Studio 10.0\Common7\IDE;c:\Program Files (x86)\Microsoft SDKs\Windows\v7.1A\bin\x64;c:\Program Files (x86)\Microsoft SDKs\Windows\v7.1A\bin;%PATH%
+      set INCLUDE
+
+      set LIB
+
+      set PATH
 
       set MSYSTEM=MINGW32
 
-      bash -c "pacman --noconfirm -S zip"
-
       mklink /d "%ProgramData%\Oracle\Java32" "c:\Program Files (x86)\Java\jdk1.6.0"
 
       git clone --depth=1 https://github.com/libjpeg-turbo/buildscripts.git -b %APPVEYOR_REPO_BRANCH% c:/buildscripts
@@ -45,11 +47,23 @@ build_script:
 
       bash c:/buildscripts/buildljt -d %MINGWPATH% -b /c/ljt.nightly -v
 
+      cmake --build . --target clean
+
+      md win64
+
+      cd win64
+
+      bash c:/buildscripts/setupscripts/win64 -DCMAKE_C_FLAGS='-DWIN32 -D_WINDOWS -W4 -wd4100 -wd4127 -wd4245 -wd4324 -wd4701 -wd4702 -wd4706 -WX'
+
+      cd ..
+
+      ninja
+
       move c:\ljt.nightly\files\*.tar.gz .
 
       move c:\ljt.nightly\files\*.exe .
 
-      move c:\ljt.nightly\files\*.zip .
+      move c:\ljt.nightly\files\*.html .
 
       move c:\ljt.nightly\log-windows.txt .
 
@@ -63,12 +77,23 @@ artifacts:
   - path: '*-vc*.exe'
     name: SDK for Visual C++
 
-  - path: '*.zip'
-    name: Windows JNI JARs
-
   - path: 'log-windows.txt'
     name: Build log
 
+  - path: 'index.html'
+    name: MD5 checksums
+
 test: off
 
-deploy: off
+deploy:
+  provider: S3
+  access_key_id:
+    secure: Z74OYogQ6bNV/I+6b5ZEXig74+6MW2WLER0v/bPM/uk=
+  secret_access_key:
+    secure: cyGZhHVCFwZ9jgf5lXoW69mVtECmqwx3eLo61ha8ueWbMYlHho7lwDXwVvxOFiCa
+  bucket: libjpeg-turbo-pr
+  region:
+    secure: qSElYBgBRcEUf88M6Osthw==
+  folder: $(APPVEYOR_REPO_BRANCH)/windows
+  set_public: true
+  remove_files: true

cderror.h

@@ -1,9 +1,11 @@
 /*
  * cderror.h
  *
+ * This file was part of the Independent JPEG Group's software:
  * Copyright (C) 1994-1997, Thomas G. Lane.
  * Modified 2009-2017 by Guido Vollbeding.
- * This file is part of the Independent JPEG Group's software.
+ * libjpeg-turbo Modifications:
+ * Copyright (C) 2021, D. R. Commander.
  * For conditions of distribution and use, see the accompanying README.ijg
  * file.
  *
@@ -42,7 +44,7 @@ JMESSAGE(JMSG_FIRSTADDONCODE = 1000, NULL) /* Must be first entry! */
 
 #ifdef BMP_SUPPORTED
 JMESSAGE(JERR_BMP_BADCMAP, "Unsupported BMP colormap format")
-JMESSAGE(JERR_BMP_BADDEPTH, "Only 8- and 24-bit BMP files are supported")
+JMESSAGE(JERR_BMP_BADDEPTH, "Only 8-, 24-, and 32-bit BMP files are supported")
 JMESSAGE(JERR_BMP_BADHEADER, "Invalid BMP file: bad header length")
 JMESSAGE(JERR_BMP_BADPLANES, "Invalid BMP file: biPlanes not equal to 1")
 JMESSAGE(JERR_BMP_COLORSPACE, "BMP output must be grayscale or RGB")
@@ -50,9 +52,9 @@ JMESSAGE(JERR_BMP_COMPRESSED, "Sorry, compressed BMPs not yet supported")
 JMESSAGE(JERR_BMP_EMPTY, "Empty BMP image")
 JMESSAGE(JERR_BMP_NOT, "Not a BMP file - does not start with BM")
 JMESSAGE(JERR_BMP_OUTOFRANGE, "Numeric value out of range in BMP file")
-JMESSAGE(JTRC_BMP, "%ux%u 24-bit BMP image")
+JMESSAGE(JTRC_BMP, "%ux%u %d-bit BMP image")
 JMESSAGE(JTRC_BMP_MAPPED, "%ux%u 8-bit colormapped BMP image")
-JMESSAGE(JTRC_BMP_OS2, "%ux%u 24-bit OS2 BMP image")
+JMESSAGE(JTRC_BMP_OS2, "%ux%u %d-bit OS2 BMP image")
 JMESSAGE(JTRC_BMP_OS2_MAPPED, "%ux%u 8-bit colormapped OS2 BMP image")
 #endif /* BMP_SUPPORTED */
 
@@ -60,6 +62,7 @@ JMESSAGE(JTRC_BMP_OS2_MAPPED, "%ux%u 8-bit colormapped OS2 BMP image")
 JMESSAGE(JERR_GIF_BUG, "GIF output got confused")
 JMESSAGE(JERR_GIF_CODESIZE, "Bogus GIF codesize %d")
 JMESSAGE(JERR_GIF_COLORSPACE, "GIF output must be grayscale or RGB")
+JMESSAGE(JERR_GIF_EMPTY, "Empty GIF image")
 JMESSAGE(JERR_GIF_IMAGENOTFOUND, "Too few images in GIF file")
 JMESSAGE(JERR_GIF_NOT, "Not a GIF file")
 JMESSAGE(JTRC_GIF, "%ux%ux%d GIF image")
@@ -84,23 +87,6 @@ JMESSAGE(JTRC_PPM, "%ux%u PPM image")
 JMESSAGE(JTRC_PPM_TEXT, "%ux%u text PPM image")
 #endif /* PPM_SUPPORTED */
 
-#ifdef RLE_SUPPORTED
-JMESSAGE(JERR_RLE_BADERROR, "Bogus error code from RLE library")
-JMESSAGE(JERR_RLE_COLORSPACE, "RLE output must be grayscale or RGB")
-JMESSAGE(JERR_RLE_DIMENSIONS, "Image dimensions (%ux%u) too large for RLE")
-JMESSAGE(JERR_RLE_EMPTY, "Empty RLE file")
-JMESSAGE(JERR_RLE_EOF, "Premature EOF in RLE header")
-JMESSAGE(JERR_RLE_MEM, "Insufficient memory for RLE header")
-JMESSAGE(JERR_RLE_NOT, "Not an RLE file")
-JMESSAGE(JERR_RLE_TOOMANYCHANNELS, "Cannot handle %d output channels for RLE")
-JMESSAGE(JERR_RLE_UNSUPPORTED, "Cannot handle this RLE setup")
-JMESSAGE(JTRC_RLE, "%ux%u full-color RLE file")
-JMESSAGE(JTRC_RLE_FULLMAP, "%ux%u full-color RLE file with map of length %d")
-JMESSAGE(JTRC_RLE_GRAY, "%ux%u grayscale RLE file")
-JMESSAGE(JTRC_RLE_MAPGRAY, "%ux%u grayscale RLE file with map of length %d")
-JMESSAGE(JTRC_RLE_MAPPED, "%ux%u colormapped RLE file with map of length %d")
-#endif /* RLE_SUPPORTED */
-
 #ifdef TARGA_SUPPORTED
 JMESSAGE(JERR_TGA_BADCMAP, "Unsupported Targa colormap format")
 JMESSAGE(JERR_TGA_BADPARMS, "Invalid or unsupported Targa file")

cdjpeg.c

@@ -3,8 +3,8 @@
  *
  * This file was part of the Independent JPEG Group's software:
  * Copyright (C) 1991-1997, Thomas G. Lane.
- * It was modified by The libjpeg-turbo Project to include only code relevant
- * to libjpeg-turbo.
+ * libjpeg-turbo Modifications:
+ * Copyright (C) 2019, 2022, D. R. Commander.
  * For conditions of distribution and use, see the accompanying README.ijg
  * file.
  *
@@ -25,26 +25,37 @@
  * Optional progress monitor: display a percent-done figure on stderr.
  */
 
-#ifdef PROGRESS_REPORT
-
 METHODDEF(void)
 progress_monitor(j_common_ptr cinfo)
 {
   cd_progress_ptr prog = (cd_progress_ptr)cinfo->progress;
-  int total_passes = prog->pub.total_passes + prog->total_extra_passes;
-  int percent_done =
-    (int)(prog->pub.pass_counter * 100L / prog->pub.pass_limit);
 
-  if (percent_done != prog->percent_done) {
-    prog->percent_done = percent_done;
-    if (total_passes > 1) {
-      fprintf(stderr, "\rPass %d/%d: %3d%% ",
-              prog->pub.completed_passes + prog->completed_extra_passes + 1,
-              total_passes, percent_done);
-    } else {
-      fprintf(stderr, "\r %3d%% ", percent_done);
+  if (prog->max_scans != 0 && cinfo->is_decompressor) {
+    int scan_no = ((j_decompress_ptr)cinfo)->input_scan_number;
+
+    if (scan_no > (int)prog->max_scans) {
+      fprintf(stderr, "Scan number %d exceeds maximum scans (%u)\n", scan_no,
+              prog->max_scans);
+      exit(EXIT_FAILURE);
+    }
+  }
+
+  if (prog->report) {
+    int total_passes = prog->pub.total_passes + prog->total_extra_passes;
+    int percent_done =
+      (int)(prog->pub.pass_counter * 100L / prog->pub.pass_limit);
+
+    if (percent_done != prog->percent_done) {
+      prog->percent_done = percent_done;
+      if (total_passes > 1) {
+        fprintf(stderr, "\rPass %d/%d: %3d%% ",
+                prog->pub.completed_passes + prog->completed_extra_passes + 1,
+                total_passes, percent_done);
+      } else {
+        fprintf(stderr, "\r %3d%% ", percent_done);
+      }
+      fflush(stderr);
     }
-    fflush(stderr);
   }
 }
 
@@ -57,6 +68,8 @@ start_progress_monitor(j_common_ptr cinfo, cd_progress_ptr progress)
     progress->pub.progress_monitor = progress_monitor;
     progress->completed_extra_passes = 0;
     progress->total_extra_passes = 0;
+    progress->max_scans = 0;
+    progress->report = FALSE;
     progress->percent_done = -1;
     cinfo->progress = &progress->pub;
   }
@@ -73,8 +86,6 @@ end_progress_monitor(j_common_ptr cinfo)
   }
 }
 
-#endif
-
 
 /*
  * Case-insensitive matching of possibly-abbreviated keyword switches.

cdjpeg.h

@@ -3,8 +3,9 @@
  *
  * This file was part of the Independent JPEG Group's software:
  * Copyright (C) 1994-1997, Thomas G. Lane.
+ * Modified 2019 by Guido Vollbeding.
  * libjpeg-turbo Modifications:
- * Copyright (C) 2017, D. R. Commander.
+ * Copyright (C) 2017, 2019, 2021, D. R. Commander.
  * For conditions of distribution and use, see the accompanying README.ijg
  * file.
  *
@@ -35,6 +36,9 @@ struct cjpeg_source_struct {
 
   JSAMPARRAY buffer;
   JDIMENSION buffer_height;
+#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
+  JDIMENSION max_pixels;
+#endif
 };
 
 
@@ -56,9 +60,9 @@ struct djpeg_dest_struct {
   void (*finish_output) (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo);
   /* Re-calculate buffer dimensions based on output dimensions (for use with
      partial image decompression.)  If this is NULL, then the output format
-     does not support partial image decompression (BMP and RLE, in particular,
-     cannot support partial decompression because they use an inversion buffer
-     to write the image in bottom-up order.) */
+     does not support partial image decompression (BMP, in particular, cannot
+     support partial decompression because it uses an inversion buffer to write
+     the image in bottom-up order.) */
   void (*calc_buffer_dimensions) (j_decompress_ptr cinfo,
                                   djpeg_dest_ptr dinfo);
 
@@ -87,6 +91,9 @@ struct cdjpeg_progress_mgr {
   struct jpeg_progress_mgr pub; /* fields known to JPEG library */
   int completed_extra_passes;   /* extra passes completed */
   int total_extra_passes;       /* total extra */
+  JDIMENSION max_scans;         /* abort if the number of scans exceeds this
+                                   value and the value is non-zero */
+  boolean report;               /* whether or not to report progress */
   /* last printed percentage stored here to avoid multiple printouts */
   int percent_done;
 };
@@ -101,11 +108,9 @@ EXTERN(cjpeg_source_ptr) jinit_read_bmp(j_compress_ptr cinfo,
 EXTERN(djpeg_dest_ptr) jinit_write_bmp(j_decompress_ptr cinfo, boolean is_os2,
                                        boolean use_inversion_array);
 EXTERN(cjpeg_source_ptr) jinit_read_gif(j_compress_ptr cinfo);
-EXTERN(djpeg_dest_ptr) jinit_write_gif(j_decompress_ptr cinfo);
+EXTERN(djpeg_dest_ptr) jinit_write_gif(j_decompress_ptr cinfo, boolean is_lzw);
 EXTERN(cjpeg_source_ptr) jinit_read_ppm(j_compress_ptr cinfo);
 EXTERN(djpeg_dest_ptr) jinit_write_ppm(j_decompress_ptr cinfo);
-EXTERN(cjpeg_source_ptr) jinit_read_rle(j_compress_ptr cinfo);
-EXTERN(djpeg_dest_ptr) jinit_write_rle(j_decompress_ptr cinfo);
 EXTERN(cjpeg_source_ptr) jinit_read_targa(j_compress_ptr cinfo);
 EXTERN(djpeg_dest_ptr) jinit_write_targa(j_decompress_ptr cinfo);
 
@@ -125,7 +130,6 @@ EXTERN(void) read_color_map(j_decompress_ptr cinfo, FILE *infile);
 
 /* common support routines (in cdjpeg.c) */
 
-EXTERN(void) enable_signal_catcher(j_common_ptr cinfo);
 EXTERN(void) start_progress_monitor(j_common_ptr cinfo,
                                     cd_progress_ptr progress);
 EXTERN(void) end_progress_monitor(j_common_ptr cinfo);

change.log

@@ -6,6 +6,25 @@ reference.  Please see ChangeLog.md for information specific to libjpeg-turbo.
 CHANGE LOG for Independent JPEG Group's JPEG software
 
 
+Version 9d  12-Jan-2020
+-----------------------
+
+Restore GIF read and write support from libjpeg version 6a.
+Thank to Wolfgang Werner (W.W.) Heinz for suggestion.
+
+Add jpegtran -drop option; add options to the crop extension and wipe
+to fill the extra area with content from the source image region,
+instead of gray out.
+
+
+Version 9c  14-Jan-2018
+-----------------------
+
+jpegtran: add an option to the -wipe switch to fill the region
+with the average of adjacent blocks, instead of gray out.
+Thank to Caitlyn Feddock and Maddie Ziegler for inspiration.
+
+
 Version 9b  17-Jan-2016
 -----------------------
 
@@ -13,6 +32,13 @@ Document 'f' specifier for jpegtran -crop specification.
 Thank to Michele Martone for suggestion.
 
 
+Version 9a  19-Jan-2014
+-----------------------
+
+Add jpegtran -wipe option and extension for -crop.
+Thank to Andrew Senior, David Clunie, and Josef Schmid for suggestion.
+
+
 Version 9  13-Jan-2013
 ----------------------
 
@@ -138,11 +164,6 @@ Huffman tables being used.
 
 Huffman tables are checked for validity much more carefully than before.
 
-To avoid the Unisys LZW patent, djpeg's GIF output capability has been
-changed to produce "uncompressed GIFs", and cjpeg's GIF input capability
-has been removed altogether.  We're not happy about it either, but there
-seems to be no good alternative.
-
 The configure script now supports building libjpeg as a shared library
 on many flavors of Unix (all the ones that GNU libtool knows how to
 build shared libraries for).  Use "./configure --enable-shared" to

cjpeg.1

@@ -1,4 +1,4 @@
-.TH CJPEG 1 "18 March 2017"
+.TH CJPEG 1 "30 November 2021"
 .SH NAME
 cjpeg \- compress an image file to a JPEG file
 .SH SYNOPSIS
@@ -16,8 +16,7 @@ cjpeg \- compress an image file to a JPEG file
 compresses the named image file, or the standard input if no file is
 named, and produces a JPEG/JFIF file on the standard output.
 The currently supported input file formats are: PPM (PBMPLUS color
-format), PGM (PBMPLUS grayscale format), BMP, Targa, and RLE (Utah Raster
-Toolkit format).  (RLE is supported only if the URT library is available.)
+format), PGM (PBMPLUS grayscale format), BMP, GIF, and Targa.
 .SH OPTIONS
 All switch names may be abbreviated; for example,
 .B \-grayscale
@@ -41,11 +40,7 @@ Scale quantization tables to adjust image quality.  Quality is 0 (worst) to
 100 (best); default is 75.  (See below for more info.)
 .TP
 .B \-grayscale
-Create monochrome JPEG file from color input.  Be sure to use this switch when
-compressing a grayscale BMP file, because
-.B cjpeg
-isn't bright enough to notice whether a BMP file uses only shades of gray.
-By saying
+Create monochrome JPEG file from color input.  By saying
 .BR \-grayscale,
 you'll get a smaller JPEG file that takes less time to process.
 .TP
@@ -161,31 +156,40 @@ arithmetic coded JPEG is not yet widely implemented, so many decoders will be
 unable to view an arithmetic coded JPEG file at all.
 .TP
 .B \-dct int
-Use integer DCT method (default).
+Use accurate integer DCT method (default).
 .TP
 .B \-dct fast
-Use fast integer DCT (less accurate).
-In libjpeg-turbo, the fast method is generally about 5-15% faster than the int
-method when using the x86/x86-64 SIMD extensions (results may vary with other
-SIMD implementations, or when using libjpeg-turbo without SIMD extensions.)
+Use less accurate integer DCT method [legacy feature].
+When the Independent JPEG Group's software was first released in 1991, the
+compression time for a 1-megapixel JPEG image on a mainstream PC was measured
+in minutes.  Thus, the \fBfast\fR integer DCT algorithm provided noticeable
+performance benefits.  On modern CPUs running libjpeg-turbo, however, the
+compression time for a 1-megapixel JPEG image is measured in milliseconds, and
+thus the performance benefits of the \fBfast\fR algorithm are much less
+noticeable.  On modern x86/x86-64 CPUs that support AVX2 instructions, the
+\fBfast\fR and \fBint\fR methods have similar performance.  On other types of
+CPUs, the \fBfast\fR method is generally about 5-15% faster than the \fBint\fR
+method.
+
 For quality levels of 90 and below, there should be little or no perceptible
-difference between the two algorithms.  For quality levels above 90, however,
-the difference between the fast and the int methods becomes more pronounced.
-With quality=97, for instance, the fast method incurs generally about a 1-3 dB
-loss (in PSNR) relative to the int method, but this can be larger for some
-images.  Do not use the fast method with quality levels above 97.  The
-algorithm often degenerates at quality=98 and above and can actually produce a
-more lossy image than if lower quality levels had been used.  Also, in
-libjpeg-turbo, the fast method is not fully accelerated for quality levels
-above 97, so it will be slower than the int method.
+quality difference between the two algorithms.  For quality levels above 90,
+however, the difference between the \fBfast\fR and \fBint\fR methods becomes
+more pronounced.  With quality=97, for instance, the \fBfast\fR method incurs
+generally about a 1-3 dB loss in PSNR relative to the \fBint\fR method, but
+this can be larger for some images.  Do not use the \fBfast\fR method with
+quality levels above 97.  The algorithm often degenerates at quality=98 and
+above and can actually produce a more lossy image than if lower quality levels
+had been used.  Also, in libjpeg-turbo, the \fBfast\fR method is not fully
+accelerated for quality levels above 97, so it will be slower than the
+\fBint\fR method.
 .TP
 .B \-dct float
-Use floating-point DCT method.
-The float method is mainly a legacy feature.  It does not produce significantly
-more accurate results than the int method, and it is much slower.  The float
-method may also give different results on different machines due to varying
-roundoff behavior, whereas the integer methods should give the same results on
-all machines.
+Use floating-point DCT method [legacy feature].
+The \fBfloat\fR method does not produce significantly more accurate results
+than the \fBint\fR method, and it is much slower.  The \fBfloat\fR method may
+also give different results on different machines due to varying roundoff
+behavior, whereas the integer methods should give the same results on all
+machines.
 .TP
 .BI \-icc " file"
 Embed ICC color management profile contained in the specified file.
@@ -215,6 +219,14 @@ Compress to memory instead of a file.  This feature was implemented mainly as a
 way of testing the in-memory destination manager (jpeg_mem_dest()), but it is
 also useful for benchmarking, since it reduces the I/O overhead.
 .TP
+.BI \-report
+Report compression progress.
+.TP
+.BI \-strict
+Treat all warnings as fatal.  Enabling this option will cause the compressor to
+abort if an LZW-compressed GIF input image contains incomplete or corrupt image
+data.
+.TP
 .B \-verbose
 Enable debug printout.  More
 .BR \-v 's
@@ -341,11 +353,6 @@ This file was modified by The libjpeg-turbo Project to include only information
 relevant to libjpeg-turbo, to wordsmith certain sections, and to describe
 features not present in libjpeg.
 .SH ISSUES
-Support for GIF input files was removed in cjpeg v6b due to concerns over
-the Unisys LZW patent.  Although this patent expired in 2006, cjpeg still
-lacks GIF support, for these historical reasons.  (Conversion of GIF files to
-JPEG is usually a bad idea anyway, since GIF is a 256-color format.)
-.PP
 Not all variants of BMP and Targa file formats are supported.
 .PP
 The

cjpeg.c

@@ -5,7 +5,7 @@
  * Copyright (C) 1991-1998, Thomas G. Lane.
  * Modified 2003-2011 by Guido Vollbeding.
  * libjpeg-turbo Modifications:
- * Copyright (C) 2010, 2013-2014, 2017, D. R. Commander.
+ * Copyright (C) 2010, 2013-2014, 2017, 2019-2022, D. R. Commander.
  * For conditions of distribution and use, see the accompanying README.ijg
  * file.
  *
@@ -27,25 +27,17 @@
  * works regardless of which command line style is used.
  */
 
+#ifdef _MSC_VER
+#define _CRT_SECURE_NO_DEPRECATE
+#endif
+
+#ifdef CJPEG_FUZZER
+#define JPEG_INTERNALS
+#endif
 #include "cdjpeg.h"             /* Common decls for cjpeg/djpeg applications */
 #include "jversion.h"           /* for version message */
 #include "jconfigint.h"
 
-#ifndef HAVE_STDLIB_H           /* <stdlib.h> should declare malloc(),free() */
-extern void *malloc(size_t size);
-extern void free(void *ptr);
-#endif
-
-#ifdef USE_CCOMMAND             /* command-line reader for Macintosh */
-#ifdef __MWERKS__
-#include <SIOUX.h>              /* Metrowerks needs this */
-#include <console.h>            /* ... and this */
-#endif
-#ifdef THINK_C
-#include <console.h>            /* Think declares it here */
-#endif
-#endif
-
 
 /* Create the add-on message string table. */
 
@@ -69,9 +61,9 @@ static const char * const cdjpeg_message_table[] = {
  *     2) assume we can push back more than one character (works in
  *        some C implementations, but unportable);
  *     3) provide our own buffering (breaks input readers that want to use
- *        stdio directly, such as the RLE library);
+ *        stdio directly);
  * or  4) don't put back the data, and modify the input_init methods to assume
- *        they start reading after the start of file (also breaks RLE library).
+ *        they start reading after the start of file.
  * #1 is attractive for MS-DOS but is untenable on Unix.
  *
  * The most portable solution for file types that can't be identified by their
@@ -117,10 +109,6 @@ select_file_type(j_compress_ptr cinfo, FILE *infile)
   case 'P':
     return jinit_read_ppm(cinfo);
 #endif
-#ifdef RLE_SUPPORTED
-  case 'R':
-    return jinit_read_rle(cinfo);
-#endif
 #ifdef TARGA_SUPPORTED
   case 0x00:
     return jinit_read_targa(cinfo);
@@ -147,6 +135,47 @@ static const char *progname;    /* program name for error messages */
 static char *icc_filename;      /* for -icc switch */
 static char *outfilename;       /* for -outfile switch */
 boolean memdst;                 /* for -memdst switch */
+boolean report;                 /* for -report switch */
+boolean strict;                 /* for -strict switch */
+
+
+#ifdef CJPEG_FUZZER
+
+#include <setjmp.h>
+
+struct my_error_mgr {
+  struct jpeg_error_mgr pub;
+  jmp_buf setjmp_buffer;
+};
+
+void my_error_exit(j_common_ptr cinfo)
+{
+  struct my_error_mgr *myerr = (struct my_error_mgr *)cinfo->err;
+
+  longjmp(myerr->setjmp_buffer, 1);
+}
+
+static void my_emit_message_fuzzer(j_common_ptr cinfo, int msg_level)
+{
+  if (msg_level < 0)
+    cinfo->err->num_warnings++;
+}
+
+#define HANDLE_ERROR() { \
+  if (cinfo.global_state > CSTATE_START) { \
+    if (memdst && outbuffer) \
+      (*cinfo.dest->term_destination) (&cinfo); \
+    jpeg_abort_compress(&cinfo); \
+  } \
+  jpeg_destroy_compress(&cinfo); \
+  if (input_file != stdin && input_file != NULL) \
+    fclose(input_file); \
+  if (memdst) \
+    free(outbuffer); \
+  return EXIT_FAILURE; \
+}
+
+#endif
 
 
 LOCAL(void)
@@ -179,15 +208,15 @@ usage(void)
   fprintf(stderr, "  -arithmetic    Use arithmetic coding\n");
 #endif
 #ifdef DCT_ISLOW_SUPPORTED
-  fprintf(stderr, "  -dct int       Use integer DCT method%s\n",
+  fprintf(stderr, "  -dct int       Use accurate integer DCT method%s\n",
           (JDCT_DEFAULT == JDCT_ISLOW ? " (default)" : ""));
 #endif
 #ifdef DCT_IFAST_SUPPORTED
-  fprintf(stderr, "  -dct fast      Use fast integer DCT (less accurate)%s\n",
+  fprintf(stderr, "  -dct fast      Use less accurate integer DCT method [legacy feature]%s\n",
           (JDCT_DEFAULT == JDCT_IFAST ? " (default)" : ""));
 #endif
 #ifdef DCT_FLOAT_SUPPORTED
-  fprintf(stderr, "  -dct float     Use floating-point DCT method%s\n",
+  fprintf(stderr, "  -dct float     Use floating-point DCT method [legacy feature]%s\n",
           (JDCT_DEFAULT == JDCT_FLOAT ? " (default)" : ""));
 #endif
   fprintf(stderr, "  -icc FILE      Embed ICC profile contained in FILE\n");
@@ -200,6 +229,8 @@ usage(void)
 #if JPEG_LIB_VERSION >= 80 || defined(MEM_SRCDST_SUPPORTED)
   fprintf(stderr, "  -memdst        Compress to memory instead of file (useful for benchmarking)\n");
 #endif
+  fprintf(stderr, "  -report        Report compression progress\n");
+  fprintf(stderr, "  -strict        Treat all warnings as fatal\n");
   fprintf(stderr, "  -verbose  or  -debug   Emit debug output\n");
   fprintf(stderr, "  -version       Print version information and exit\n");
   fprintf(stderr, "Switches for wizards:\n");
@@ -244,6 +275,8 @@ parse_switches(j_compress_ptr cinfo, int argc, char **argv,
   icc_filename = NULL;
   outfilename = NULL;
   memdst = FALSE;
+  report = FALSE;
+  strict = FALSE;
   cinfo->err->trace_level = 0;
 
   /* Scan command line options, adjust parameters */
@@ -395,6 +428,9 @@ parse_switches(j_compress_ptr cinfo, int argc, char **argv,
       qtablefile = argv[argn];
       /* We postpone actually reading the file in case -quality comes later. */
 
+    } else if (keymatch(arg, "report", 3)) {
+      report = TRUE;
+
     } else if (keymatch(arg, "restart", 1)) {
       /* Restart interval in MCU rows (or in MCUs with 'b'). */
       long lval;
@@ -449,6 +485,9 @@ parse_switches(j_compress_ptr cinfo, int argc, char **argv,
         usage();
       cinfo->smoothing_factor = val;
 
+    } else if (keymatch(arg, "strict", 2)) {
+      strict = TRUE;
+
     } else if (keymatch(arg, "targa", 1)) {
       /* Input file is Targa format. */
       is_targa = TRUE;
@@ -496,6 +535,19 @@ parse_switches(j_compress_ptr cinfo, int argc, char **argv,
 }
 
 
+METHODDEF(void)
+my_emit_message(j_common_ptr cinfo, int msg_level)
+{
+  if (msg_level < 0) {
+    /* Treat warning as fatal */
+    cinfo->err->error_exit(cinfo);
+  } else {
+    if (cinfo->err->trace_level >= msg_level)
+      cinfo->err->output_message(cinfo);
+  }
+}
+
+
 /*
  * The main program.
  */
@@ -504,13 +556,16 @@ int
 main(int argc, char **argv)
 {
   struct jpeg_compress_struct cinfo;
+#ifdef CJPEG_FUZZER
+  struct my_error_mgr myerr;
+  struct jpeg_error_mgr &jerr = myerr.pub;
+#else
   struct jpeg_error_mgr jerr;
-#ifdef PROGRESS_REPORT
-  struct cdjpeg_progress_mgr progress;
 #endif
+  struct cdjpeg_progress_mgr progress;
   int file_index;
   cjpeg_source_ptr src_mgr;
-  FILE *input_file;
+  FILE *input_file = NULL;
   FILE *icc_file;
   JOCTET *icc_profile = NULL;
   long icc_len = 0;
@@ -519,11 +574,6 @@ main(int argc, char **argv)
   unsigned long outsize = 0;
   JDIMENSION num_scanlines;
 
-  /* On Mac, fetch a command line. */
-#ifdef USE_CCOMMAND
-  argc = ccommand(&argv);
-#endif
-
   progname = argv[0];
   if (progname == NULL || progname[0] == 0)
     progname = "cjpeg";         /* in case C library doesn't provide it */
@@ -553,6 +603,9 @@ main(int argc, char **argv)
 
   file_index = parse_switches(&cinfo, argc, argv, 0, FALSE);
 
+  if (strict)
+    jerr.emit_message = my_emit_message;
+
 #ifdef TWO_FILE_COMMANDLINE
   if (!memdst) {
     /* Must have either -outfile switch or explicit output file name */
@@ -628,13 +681,24 @@ main(int argc, char **argv)
     fclose(icc_file);
   }
 
-#ifdef PROGRESS_REPORT
-  start_progress_monitor((j_common_ptr)&cinfo, &progress);
+#ifdef CJPEG_FUZZER
+  jerr.error_exit = my_error_exit;
+  jerr.emit_message = my_emit_message_fuzzer;
+  if (setjmp(myerr.setjmp_buffer))
+    HANDLE_ERROR()
 #endif
 
+  if (report) {
+    start_progress_monitor((j_common_ptr)&cinfo, &progress);
+    progress.report = report;
+  }
+
   /* Figure out the input file format, and set up to read it. */
   src_mgr = select_file_type(&cinfo, input_file);
   src_mgr->input_file = input_file;
+#ifdef CJPEG_FUZZER
+  src_mgr->max_pixels = 1048576;
+#endif
 
   /* Read the input file header to obtain file size & colorspace. */
   (*src_mgr->start_input) (&cinfo, src_mgr);
@@ -653,6 +717,11 @@ main(int argc, char **argv)
 #endif
     jpeg_stdio_dest(&cinfo, output_file);
 
+#ifdef CJPEG_FUZZER
+  if (setjmp(myerr.setjmp_buffer))
+    HANDLE_ERROR()
+#endif
+
   /* Start compressor */
   jpeg_start_compress(&cinfo, TRUE);
 
@@ -676,18 +745,18 @@ main(int argc, char **argv)
   if (output_file != stdout && output_file != NULL)
     fclose(output_file);
 
-#ifdef PROGRESS_REPORT
-  end_progress_monitor((j_common_ptr)&cinfo);
-#endif
+  if (report)
+    end_progress_monitor((j_common_ptr)&cinfo);
 
   if (memdst) {
+#ifndef CJPEG_FUZZER
     fprintf(stderr, "Compressed size:  %lu bytes\n", outsize);
+#endif
     free(outbuffer);
   }
 
   free(icc_profile);
 
   /* All done. */
-  exit(jerr.num_warnings ? EXIT_WARNING : EXIT_SUCCESS);
-  return 0;                     /* suppress no-return-value warnings */
+  return (jerr.num_warnings ? EXIT_WARNING : EXIT_SUCCESS);
 }

cmakescripts/BuildPackages.cmake

@@ -1,18 +1,6 @@
 # This file is included from the top-level CMakeLists.txt.  We just store it
 # here to avoid cluttering up that file.
 
-set(PKGNAME ${CMAKE_PROJECT_NAME} CACHE STRING
-  "Distribution package name (default: ${CMAKE_PROJECT_NAME})")
-set(PKGVENDOR "The ${CMAKE_PROJECT_NAME} Project" CACHE STRING
-  "Vendor name to be included in distribution package descriptions (default: The ${CMAKE_PROJECT_NAME} Project)")
-set(PKGURL "http://www.${CMAKE_PROJECT_NAME}.org" CACHE STRING
-  "URL of project web site to be included in distribution package descriptions (default: http://www.${CMAKE_PROJECT_NAME}.org)")
-set(PKGEMAIL "information@${CMAKE_PROJECT_NAME}.org" CACHE STRING
-  "E-mail of project maintainer to be included in distribution package descriptions (default: information@${CMAKE_PROJECT_NAME}.org")
-set(PKGID "com.${CMAKE_PROJECT_NAME}.${PKGNAME}" CACHE STRING
-  "Globally unique package identifier (reverse DNS notation) (default: com.${CMAKE_PROJECT_NAME}.${PKGNAME})")
-
-
 ###############################################################################
 # Linux RPM and DEB
 ###############################################################################
@@ -22,12 +10,21 @@ if(CMAKE_SYSTEM_NAME STREQUAL "Linux")
 set(RPMARCH ${CMAKE_SYSTEM_PROCESSOR})
 if(CPU_TYPE STREQUAL "x86_64")
   set(DEBARCH amd64)
-elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "armv7*")
-  set(DEBARCH armhf)
 elseif(CPU_TYPE STREQUAL "arm64")
   set(DEBARCH ${CPU_TYPE})
 elseif(CPU_TYPE STREQUAL "arm")
-  set(DEBARCH armel)
+  check_c_source_compiles("
+    #if __ARM_PCS_VFP != 1
+    #error \"float ABI != hard\"
+    #endif
+    int main(void) { return 0; }" HAVE_HARD_FLOAT)
+  if(HAVE_HARD_FLOAT)
+    set(RPMARCH armv7hl)
+    set(DEBARCH armhf)
+  else()
+    set(RPMARCH armel)
+    set(DEBARCH armel)
+  endif()
 elseif(CMAKE_SYSTEM_PROCESSOR_LC STREQUAL "ppc64le")
   set(DEBARCH ppc64el)
 elseif(CPU_TYPE STREQUAL "powerpc" AND BITS EQUAL 32)
@@ -45,19 +42,19 @@ boolean_number(CMAKE_POSITION_INDEPENDENT_CODE)
 configure_file(release/makerpm.in pkgscripts/makerpm)
 configure_file(release/rpm.spec.in pkgscripts/rpm.spec @ONLY)
 
-add_custom_target(rpm sh pkgscripts/makerpm
+add_custom_target(rpm pkgscripts/makerpm
   SOURCES pkgscripts/makerpm)
 
 configure_file(release/makesrpm.in pkgscripts/makesrpm)
 
-add_custom_target(srpm sh pkgscripts/makesrpm
+add_custom_target(srpm pkgscripts/makesrpm
   SOURCES pkgscripts/makesrpm
   DEPENDS dist)
 
 configure_file(release/makedpkg.in pkgscripts/makedpkg)
 configure_file(release/deb-control.in pkgscripts/deb-control)
 
-add_custom_target(deb sh pkgscripts/makedpkg
+add_custom_target(deb pkgscripts/makedpkg
   SOURCES pkgscripts/makedpkg)
 
 endif() # Linux
@@ -71,12 +68,14 @@ if(WIN32)
 
 if(MSVC)
   set(INST_PLATFORM "Visual C++")
-  set(INST_NAME ${CMAKE_PROJECT_NAME}-${VERSION}-vc)
+  set(INST_ID vc)
+  set(INST_NAME ${CMAKE_PROJECT_NAME}-${VERSION}-${INST_ID})
   set(INST_REG_NAME ${CMAKE_PROJECT_NAME})
 elseif(MINGW)
   set(INST_PLATFORM GCC)
-  set(INST_NAME ${CMAKE_PROJECT_NAME}-${VERSION}-gcc)
-  set(INST_REG_NAME ${CMAKE_PROJECT_NAME}-gcc)
+  set(INST_ID gcc)
+  set(INST_NAME ${CMAKE_PROJECT_NAME}-${VERSION}-${INST_ID})
+  set(INST_REG_NAME ${CMAKE_PROJECT_NAME}-${INST_ID})
   set(INST_DEFS -DGCC)
 endif()
 
@@ -100,64 +99,48 @@ endif()
 string(REGEX REPLACE "/" "\\\\" INST_DIR ${CMAKE_INSTALL_PREFIX})
 
 configure_file(release/installer.nsi.in installer.nsi @ONLY)
+# TODO: It would be nice to eventually switch to CPack and eliminate this mess,
+# but not today.
+configure_file(win/projectTargets.cmake.in
+  win/${CMAKE_PROJECT_NAME}Targets.cmake @ONLY)
+configure_file(win/${INST_ID}/projectTargets-release.cmake.in
+  win/${CMAKE_PROJECT_NAME}Targets-release.cmake @ONLY)
 
 if(WITH_JAVA)
   set(JAVA_DEPEND turbojpeg-java)
 endif()
+if(WITH_TURBOJPEG)
+  set(TURBOJPEG_DEPEND turbojpeg turbojpeg-static tjbench)
+endif()
 add_custom_target(installer
   makensis -nocd ${INST_DEFS} installer.nsi
-  DEPENDS jpeg jpeg-static turbojpeg turbojpeg-static rdjpgcom wrjpgcom
-    cjpeg djpeg jpegtran tjbench ${JAVA_DEPEND}
+  DEPENDS jpeg jpeg-static rdjpgcom wrjpgcom cjpeg djpeg jpegtran
+    ${JAVA_DEPEND} ${TURBOJPEG_DEPEND}
   SOURCES installer.nsi)
 
 endif() # WIN32
 
 
-###############################################################################
-# Cygwin Package
-###############################################################################
-
-if(CYGWIN)
-
-configure_file(release/makecygwinpkg.in pkgscripts/makecygwinpkg)
-
-add_custom_target(cygwinpkg sh pkgscripts/makecygwinpkg)
-
-endif() # CYGWIN
-
-
 ###############################################################################
 # Mac DMG
 ###############################################################################
 
 if(APPLE)
 
-set(DEFAULT_OSX_32BIT_BUILD ${CMAKE_SOURCE_DIR}/osxx86)
-set(OSX_32BIT_BUILD ${DEFAULT_OSX_32BIT_BUILD} CACHE PATH
-  "Directory containing 32-bit (i386) Mac build to include in universal binaries (default: ${DEFAULT_OSX_32BIT_BUILD})")
-set(DEFAULT_IOS_ARMV7_BUILD ${CMAKE_SOURCE_DIR}/iosarmv7)
-set(IOS_ARMV7_BUILD ${DEFAULT_IOS_ARMV7_BUILD} CACHE PATH
-  "Directory containing ARMv7 iOS build to include in universal binaries (default: ${DEFAULT_IOS_ARMV7_BUILD})")
-set(DEFAULT_IOS_ARMV7S_BUILD ${CMAKE_SOURCE_DIR}/iosarmv7s)
-set(IOS_ARMV7S_BUILD ${DEFAULT_IOS_ARMV7S_BUILD} CACHE PATH
-  "Directory containing ARMv7s iOS build to include in universal binaries (default: ${DEFAULT_IOS_ARMV7S_BUILD})")
-set(DEFAULT_IOS_ARMV8_BUILD ${CMAKE_SOURCE_DIR}/iosarmv8)
-set(IOS_ARMV8_BUILD ${DEFAULT_IOS_ARMV8_BUILD} CACHE PATH
-  "Directory containing ARMv8 iOS build to include in universal binaries (default: ${DEFAULT_IOS_ARMV8_BUILD})")
+set(ARMV8_BUILD "" CACHE PATH
+  "Directory containing Armv8 iOS or macOS build to include in universal binaries")
 
-set(OSX_APP_CERT_NAME "" CACHE STRING
+set(MACOS_APP_CERT_NAME "" CACHE STRING
   "Name of the Developer ID Application certificate (in the macOS keychain) that should be used to sign the libjpeg-turbo DMG.  Leave this blank to generate an unsigned DMG.")
-set(OSX_INST_CERT_NAME "" CACHE STRING
+set(MACOS_INST_CERT_NAME "" CACHE STRING
   "Name of the Developer ID Installer certificate (in the macOS keychain) that should be used to sign the libjpeg-turbo installer package.  Leave this blank to generate an unsigned package.")
 
 configure_file(release/makemacpkg.in pkgscripts/makemacpkg)
 configure_file(release/Distribution.xml.in pkgscripts/Distribution.xml)
+configure_file(release/Welcome.rtf.in pkgscripts/Welcome.rtf)
 configure_file(release/uninstall.in pkgscripts/uninstall)
 
-add_custom_target(dmg sh pkgscripts/makemacpkg
-  SOURCES pkgscripts/makemacpkg)
-
-add_custom_target(udmg sh pkgscripts/makemacpkg universal
+add_custom_target(dmg pkgscripts/makemacpkg
   SOURCES pkgscripts/makemacpkg)
 
 endif() # APPLE
@@ -174,9 +157,20 @@ add_custom_target(dist
 
 configure_file(release/maketarball.in pkgscripts/maketarball)
 
-add_custom_target(tarball sh pkgscripts/maketarball
+add_custom_target(tarball pkgscripts/maketarball
   SOURCES pkgscripts/maketarball)
 
 configure_file(release/libjpeg.pc.in pkgscripts/libjpeg.pc @ONLY)
 
-configure_file(release/libturbojpeg.pc.in pkgscripts/libturbojpeg.pc @ONLY)
+if(WITH_TURBOJPEG)
+  configure_file(release/libturbojpeg.pc.in pkgscripts/libturbojpeg.pc @ONLY)
+endif()
+
+include(CMakePackageConfigHelpers)
+write_basic_package_version_file(
+  pkgscripts/${CMAKE_PROJECT_NAME}ConfigVersion.cmake
+  VERSION ${VERSION} COMPATIBILITY AnyNewerVersion)
+
+configure_package_config_file(release/Config.cmake.in
+  pkgscripts/${CMAKE_PROJECT_NAME}Config.cmake
+  INSTALL_DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/${CMAKE_PROJECT_NAME})

cmakescripts/GNUInstallDirs.cmake

@@ -118,6 +118,7 @@
 #   absolute paths where necessary, using the same logic.
 
 #=============================================================================
+# Copyright 2018 Matthias Räncker
 # Copyright 2016, 2019 D. R. Commander
 # Copyright 2016 Dmitry Marakasov
 # Copyright 2016 Roger Leigh
@@ -259,6 +260,8 @@ if(NOT DEFINED CMAKE_INSTALL_DEFAULT_LIBDIR)
       else()
         if("${CMAKE_SIZEOF_VOID_P}" EQUAL "8")
           set(CMAKE_INSTALL_DEFAULT_LIBDIR "lib64")
+        elseif(CMAKE_C_COMPILER_ABI MATCHES "ELF X32")
+          set(CMAKE_INSTALL_DEFAULT_LIBDIR "libx32")
         endif()
       endif()
     endif()

cmakescripts/PackageInfo.cmake

@@ -0,0 +1,13 @@
+# This file is included from the top-level CMakeLists.txt.  We just store it
+# here to avoid cluttering up that file.
+
+set(PKGNAME ${CMAKE_PROJECT_NAME} CACHE STRING
+  "Distribution package name (default: ${CMAKE_PROJECT_NAME})")
+set(PKGVENDOR "The ${CMAKE_PROJECT_NAME} Project" CACHE STRING
+  "Vendor name to be included in distribution package descriptions (default: The ${CMAKE_PROJECT_NAME} Project)")
+set(PKGURL "http://www.${CMAKE_PROJECT_NAME}.org" CACHE STRING
+  "URL of project web site to be included in distribution package descriptions (default: http://www.${CMAKE_PROJECT_NAME}.org)")
+set(PKGEMAIL "information@${CMAKE_PROJECT_NAME}.org" CACHE STRING
+  "E-mail of project maintainer to be included in distribution package descriptions (default: information@${CMAKE_PROJECT_NAME}.org")
+set(PKGID "com.${CMAKE_PROJECT_NAME}.${PKGNAME}" CACHE STRING
+  "Globally unique package identifier (reverse DNS notation) (default: com.${CMAKE_PROJECT_NAME}.${PKGNAME})")

croptest.in

@@ -0,0 +1,95 @@
+#!/bin/bash
+
+set -u
+set -e
+trap onexit INT
+trap onexit TERM
+trap onexit EXIT
+
+onexit()
+{
+	if [ -d $OUTDIR ]; then
+		rm -rf $OUTDIR
+	fi
+}
+
+runme()
+{
+	echo \*\*\* $*
+	$*
+}
+
+IMAGE=vgl_6548_0026a.bmp
+WIDTH=128
+HEIGHT=95
+IMGDIR=@CMAKE_CURRENT_SOURCE_DIR@/testimages
+OUTDIR=`mktemp -d /tmp/__croptest_output.XXXXXX`
+EXEDIR=@CMAKE_CURRENT_BINARY_DIR@
+
+if [ -d $OUTDIR ]; then
+	rm -rf $OUTDIR
+fi
+mkdir -p $OUTDIR
+
+exec >$EXEDIR/croptest.log
+
+echo "============================================================"
+echo "$IMAGE ($WIDTH x $HEIGHT)"
+echo "============================================================"
+echo
+
+for PROGARG in "" -progressive; do
+
+	cp $IMGDIR/$IMAGE $OUTDIR
+	basename=`basename $IMAGE .bmp`
+	echo "------------------------------------------------------------"
+	echo "Generating test images"
+	echo "------------------------------------------------------------"
+	echo
+	runme $EXEDIR/cjpeg $PROGARG -grayscale -outfile $OUTDIR/${basename}_GRAY.jpg $IMGDIR/${basename}.bmp
+	runme $EXEDIR/cjpeg $PROGARG -sample 2x2 -outfile $OUTDIR/${basename}_420.jpg $IMGDIR/${basename}.bmp
+	runme $EXEDIR/cjpeg $PROGARG -sample 2x1 -outfile $OUTDIR/${basename}_422.jpg $IMGDIR/${basename}.bmp
+	runme $EXEDIR/cjpeg $PROGARG -sample 1x2 -outfile $OUTDIR/${basename}_440.jpg $IMGDIR/${basename}.bmp
+	runme $EXEDIR/cjpeg $PROGARG -sample 1x1 -outfile $OUTDIR/${basename}_444.jpg $IMGDIR/${basename}.bmp
+	echo
+
+	for NSARG in "" -nosmooth; do
+
+		for COLORSARG in "" "-colors 256 -dither none -onepass"; do
+
+			for Y in {0..16}; do
+
+				for H in {1..16}; do
+
+					X=$(( (Y*16)%128 ))
+					W=$(( WIDTH-X-7 ))
+					if [ $Y -le 15 ]; then
+						CROPSPEC="${W}x${H}+${X}+${Y}"
+					else
+						Y2=$(( HEIGHT-H ));
+						CROPSPEC="${W}x${H}+${X}+${Y2}"
+					fi
+
+					echo "------------------------------------------------------------"
+					echo $PROGARG $NSARG $COLORSARG -crop $CROPSPEC
+					echo "------------------------------------------------------------"
+					echo
+					for samp in GRAY 420 422 440 444; do
+						$EXEDIR/djpeg $NSARG $COLORSARG -rgb -outfile $OUTDIR/${basename}_${samp}_full.ppm $OUTDIR/${basename}_${samp}.jpg
+						convert -crop $CROPSPEC $OUTDIR/${basename}_${samp}_full.ppm $OUTDIR/${basename}_${samp}_ref.ppm
+						runme $EXEDIR/djpeg $NSARG $COLORSARG -crop $CROPSPEC -rgb -outfile $OUTDIR/${basename}_${samp}.ppm $OUTDIR/${basename}_${samp}.jpg
+						runme cmp $OUTDIR/${basename}_${samp}.ppm $OUTDIR/${basename}_${samp}_ref.ppm
+					done
+					echo
+
+				done
+
+			done
+
+		done
+
+	done
+
+done
+
+echo SUCCESS!

djpeg.1

@@ -1,4 +1,4 @@
-.TH DJPEG 1 "13 November 2017"
+.TH DJPEG 1 "4 November 2020"
 .SH NAME
 djpeg \- decompress a JPEG file to an image file
 .SH SYNOPSIS
@@ -15,8 +15,7 @@ djpeg \- decompress a JPEG file to an image file
 .B djpeg
 decompresses the named JPEG file, or the standard input if no file is named,
 and produces an image file on the standard output.  PBMPLUS (PPM/PGM), BMP,
-GIF, Targa, or RLE (Utah Raster Toolkit) output format can be selected.
-(RLE is supported only if the URT library is available.)
+GIF, or Targa output format can be selected.
 .SH OPTIONS
 All switch names may be abbreviated; for example,
 .B \-grayscale
@@ -81,9 +80,20 @@ is specified, or if the JPEG file is grayscale; otherwise, 24-bit full-color
 format is emitted.
 .TP
 .B \-gif
-Select GIF output format.  Since GIF does not support more than 256 colors,
+Select GIF output format (LZW-compressed).  Since GIF does not support more
+than 256 colors,
 .B \-colors 256
-is assumed (unless you specify a smaller number of colors).
+is assumed (unless you specify a smaller number of colors).  If you specify
+.BR \-fast,
+the default number of colors is 216.
+.TP
+.B \-gif0
+Select GIF output format (uncompressed).  Since GIF does not support more than
+256 colors,
+.B \-colors 256
+is assumed (unless you specify a smaller number of colors).  If you specify
+.BR \-fast,
+the default number of colors is 216.
 .TP
 .B \-os2
 Select BMP output format (OS/2 1.x flavor).  8-bit colormapped format is
@@ -100,9 +110,6 @@ PGM is emitted if the JPEG file is grayscale or if
 .B \-grayscale
 is specified; otherwise PPM is emitted.
 .TP
-.B \-rle
-Select RLE output format.  (Requires URT library.)
-.TP
 .B \-targa
 Select Targa output format.  Grayscale format is emitted if the JPEG file is
 grayscale or if
@@ -114,32 +121,40 @@ is specified; otherwise, 24-bit full-color format is emitted.
 Switches for advanced users:
 .TP
 .B \-dct int
-Use integer DCT method (default).
+Use accurate integer DCT method (default).
 .TP
 .B \-dct fast
-Use fast integer DCT (less accurate).
-In libjpeg-turbo, the fast method is generally about 5-15% faster than the int
-method when using the x86/x86-64 SIMD extensions (results may vary with other
-SIMD implementations, or when using libjpeg-turbo without SIMD extensions.)  If
-the JPEG image was compressed using a quality level of 85 or below, then there
-should be little or no perceptible difference between the two algorithms.  When
-decompressing images that were compressed using quality levels above 85,
-however, the difference between the fast and int methods becomes more
-pronounced.  With images compressed using quality=97, for instance, the fast
-method incurs generally about a 4-6 dB loss (in PSNR) relative to the int
-method, but this can be larger for some images.  If you can avoid it, do not
-use the fast method when decompressing images that were compressed using
-quality levels above 97.  The algorithm often degenerates for such images and
-can actually produce a more lossy output image than if the JPEG image had been
-compressed using lower quality levels.
+Use less accurate integer DCT method [legacy feature].
+When the Independent JPEG Group's software was first released in 1991, the
+decompression time for a 1-megapixel JPEG image on a mainstream PC was measured
+in minutes.  Thus, the \fBfast\fR integer DCT algorithm provided noticeable
+performance benefits.  On modern CPUs running libjpeg-turbo, however, the
+decompression time for a 1-megapixel JPEG image is measured in milliseconds,
+and thus the performance benefits of the \fBfast\fR algorithm are much less
+noticeable.  On modern x86/x86-64 CPUs that support AVX2 instructions, the
+\fBfast\fR and \fBint\fR methods have similar performance.  On other types of
+CPUs, the \fBfast\fR method is generally about 5-15% faster than the \fBint\fR
+method.
+
+If the JPEG image was compressed using a quality level of 85 or below, then
+there should be little or no perceptible quality difference between the two
+algorithms.  When decompressing images that were compressed using quality
+levels above 85, however, the difference between the \fBfast\fR and \fBint\fR
+methods becomes more pronounced.  With images compressed using quality=97, for
+instance, the \fBfast\fR method incurs generally about a 4-6 dB loss in PSNR
+relative to the \fBint\fR method, but this can be larger for some images.  If
+you can avoid it, do not use the \fBfast\fR method when decompressing images
+that were compressed using quality levels above 97.  The algorithm often
+degenerates for such images and can actually produce a more lossy output image
+than if the JPEG image had been compressed using lower quality levels.
 .TP
 .B \-dct float
-Use floating-point DCT method.
-The float method is mainly a legacy feature.  It does not produce significantly
-more accurate results than the int method, and it is much slower.  The float
-method may also give different results on different machines due to varying
-roundoff behavior, whereas the integer methods should give the same results on
-all machines.
+Use floating-point DCT method [legacy feature].
+The \fBfloat\fR method does not produce significantly more accurate results
+than the \fBint\fR method, and it is much slower.  The \fBfloat\fR method may
+also give different results on different machines due to varying roundoff
+behavior, whereas the integer methods should give the same results on all
+machines.
 .TP
 .B \-dither fs
 Use Floyd-Steinberg dithering in color quantization.
@@ -190,6 +205,19 @@ number.  For example,
 .B \-max 4m
 selects 4000000 bytes.  If more space is needed, an error will occur.
 .TP
+.BI \-maxscans " N"
+Abort if the JPEG image contains more than
+.I N
+scans.  This feature demonstrates a method by which applications can guard
+against denial-of-service attacks instigated by specially-crafted malformed
+JPEG images containing numerous scans with missing image data or image data
+consisting only of "EOB runs" (a feature of progressive JPEG images that allows
+potentially hundreds of thousands of adjoining zero-value pixels to be
+represented using only a few bytes.)  Attempting to decompress such malformed
+JPEG images can cause excessive CPU activity, since the decompressor must fully
+process each scan (even if the scan is corrupt) before it can proceed to the
+next scan.
+.TP
 .BI \-outfile " name"
 Send output image to the named file, not to standard output.
 .TP
@@ -197,6 +225,9 @@ Send output image to the named file, not to standard output.
 Load input file into memory before decompressing.  This feature was implemented
 mainly as a way of testing the in-memory source manager (jpeg_mem_src().)
 .TP
+.BI \-report
+Report decompression progress.
+.TP
 .BI \-skip " Y0,Y1"
 Decompress all rows of the JPEG image except those between Y0 and Y1
 (inclusive.)  Note that if decompression scaling is being used, then Y0 and Y1
@@ -210,6 +241,12 @@ decompression scaling is being used, then X, Y, W, and H are relative to the
 scaled image dimensions.  Currently this option only works with the
 PBMPLUS (PPM/PGM), GIF, and Targa output formats.
 .TP
+.BI \-strict
+Treat all warnings as fatal.  This feature also demonstrates a method by which
+applications can guard against attacks instigated by specially-crafted
+malformed JPEG images.  Enabling this option will cause the decompressor to
+abort if the JPEG image contains incomplete or corrupt image data.
+.TP
 .B \-verbose
 Enable debug printout.  More
 .BR \-v 's
@@ -253,12 +290,6 @@ is fast but much lower quality than the default behavior.
 .B \-dither none
 may give acceptable results in two-pass mode, but is seldom tolerable in
 one-pass mode.
-.PP
-If you are fortunate enough to have very fast floating point hardware,
-\fB\-dct float\fR may be even faster than \fB\-dct fast\fR.  But on most
-machines \fB\-dct float\fR is slower than \fB\-dct int\fR; in this case it is
-not worth using, because its theoretical accuracy advantage is too small to be
-significant in practice.
 .SH ENVIRONMENT
 .TP
 .B JPEGMEM
@@ -287,10 +318,3 @@ Independent JPEG Group
 This file was modified by The libjpeg-turbo Project to include only information
 relevant to libjpeg-turbo, to wordsmith certain sections, and to describe
 features not present in libjpeg.
-.SH ISSUES
-Support for compressed GIF output files was removed in djpeg v6b due to
-concerns over the Unisys LZW patent.  Although this patent expired in 2006,
-djpeg still lacks compressed GIF support, for these historical reasons.
-(Conversion of JPEG files to GIF is usually a bad idea anyway, since GIF is a
-256-color format.)  The uncompressed GIF files that djpeg generates are larger
-than they should be, but they are readable by standard GIF decoders.

djpeg.c

@@ -3,9 +3,9 @@
  *
  * This file was part of the Independent JPEG Group's software:
  * Copyright (C) 1991-1997, Thomas G. Lane.
- * Modified 2013 by Guido Vollbeding.
+ * Modified 2013-2019 by Guido Vollbeding.
  * libjpeg-turbo Modifications:
- * Copyright (C) 2010-2011, 2013-2017, D. R. Commander.
+ * Copyright (C) 2010-2011, 2013-2017, 2019-2020, 2022, D. R. Commander.
  * Copyright (C) 2015, Google, Inc.
  * For conditions of distribution and use, see the accompanying README.ijg
  * file.
@@ -28,26 +28,16 @@
  * works regardless of which command line style is used.
  */
 
+#ifdef _MSC_VER
+#define _CRT_SECURE_NO_DEPRECATE
+#endif
+
 #include "cdjpeg.h"             /* Common decls for cjpeg/djpeg applications */
 #include "jversion.h"           /* for version message */
 #include "jconfigint.h"
 
-#ifndef HAVE_STDLIB_H           /* <stdlib.h> should declare free() */
-extern void free(void *ptr);
-#endif
-
 #include <ctype.h>              /* to declare isprint() */
 
-#ifdef USE_CCOMMAND             /* command-line reader for Macintosh */
-#ifdef __MWERKS__
-#include <SIOUX.h>              /* Metrowerks needs this */
-#include <console.h>            /* ... and this */
-#endif
-#ifdef THINK_C
-#include <console.h>            /* Think declares it here */
-#endif
-#endif
-
 
 /* Create the add-on message string table. */
 
@@ -68,10 +58,10 @@ static const char * const cdjpeg_message_table[] = {
 
 typedef enum {
   FMT_BMP,                      /* BMP format (Windows flavor) */
-  FMT_GIF,                      /* GIF format */
+  FMT_GIF,                      /* GIF format (LZW-compressed) */
+  FMT_GIF0,                     /* GIF format (uncompressed) */
   FMT_OS2,                      /* BMP format (OS/2 flavor) */
   FMT_PPM,                      /* PPM/PGM (PBMPLUS formats) */
-  FMT_RLE,                      /* RLE format */
   FMT_TARGA,                    /* Targa format */
   FMT_TIFF                      /* TIFF format */
 } IMAGE_FORMATS;
@@ -94,11 +84,14 @@ static IMAGE_FORMATS requested_fmt;
 
 static const char *progname;    /* program name for error messages */
 static char *icc_filename;      /* for -icc switch */
+JDIMENSION max_scans;           /* for -maxscans switch */
 static char *outfilename;       /* for -outfile switch */
 boolean memsrc;                 /* for -memsrc switch */
+boolean report;                 /* for -report switch */
 boolean skip, crop;
 JDIMENSION skip_start, skip_end;
 JDIMENSION crop_x, crop_y, crop_width, crop_height;
+boolean strict;                 /* for -strict switch */
 #define INPUT_BUF_SIZE  4096
 
 
@@ -127,8 +120,10 @@ usage(void)
           (DEFAULT_FMT == FMT_BMP ? " (default)" : ""));
 #endif
 #ifdef GIF_SUPPORTED
-  fprintf(stderr, "  -gif           Select GIF output format%s\n",
+  fprintf(stderr, "  -gif           Select GIF output format (LZW-compressed)%s\n",
           (DEFAULT_FMT == FMT_GIF ? " (default)" : ""));
+  fprintf(stderr, "  -gif0          Select GIF output format (uncompressed)%s\n",
+          (DEFAULT_FMT == FMT_GIF0 ? " (default)" : ""));
 #endif
 #ifdef BMP_SUPPORTED
   fprintf(stderr, "  -os2           Select BMP output format (OS/2 style)%s\n",
@@ -138,25 +133,21 @@ usage(void)
   fprintf(stderr, "  -pnm           Select PBMPLUS (PPM/PGM) output format%s\n",
           (DEFAULT_FMT == FMT_PPM ? " (default)" : ""));
 #endif
-#ifdef RLE_SUPPORTED
-  fprintf(stderr, "  -rle           Select Utah RLE output format%s\n",
-          (DEFAULT_FMT == FMT_RLE ? " (default)" : ""));
-#endif
 #ifdef TARGA_SUPPORTED
   fprintf(stderr, "  -targa         Select Targa output format%s\n",
           (DEFAULT_FMT == FMT_TARGA ? " (default)" : ""));
 #endif
   fprintf(stderr, "Switches for advanced users:\n");
 #ifdef DCT_ISLOW_SUPPORTED
-  fprintf(stderr, "  -dct int       Use integer DCT method%s\n",
+  fprintf(stderr, "  -dct int       Use accurate integer DCT method%s\n",
           (JDCT_DEFAULT == JDCT_ISLOW ? " (default)" : ""));
 #endif
 #ifdef DCT_IFAST_SUPPORTED
-  fprintf(stderr, "  -dct fast      Use fast integer DCT (less accurate)%s\n",
+  fprintf(stderr, "  -dct fast      Use less accurate integer DCT method [legacy feature]%s\n",
           (JDCT_DEFAULT == JDCT_IFAST ? " (default)" : ""));
 #endif
 #ifdef DCT_FLOAT_SUPPORTED
-  fprintf(stderr, "  -dct float     Use floating-point DCT method%s\n",
+  fprintf(stderr, "  -dct float     Use floating-point DCT method [legacy feature]%s\n",
           (JDCT_DEFAULT == JDCT_FLOAT ? " (default)" : ""));
 #endif
   fprintf(stderr, "  -dither fs     Use F-S dithering (default)\n");
@@ -171,14 +162,16 @@ usage(void)
   fprintf(stderr, "  -onepass       Use 1-pass quantization (fast, low quality)\n");
 #endif
   fprintf(stderr, "  -maxmemory N   Maximum memory to use (in kbytes)\n");
+  fprintf(stderr, "  -maxscans N    Maximum number of scans to allow in input file\n");
   fprintf(stderr, "  -outfile name  Specify name for output file\n");
 #if JPEG_LIB_VERSION >= 80 || defined(MEM_SRCDST_SUPPORTED)
   fprintf(stderr, "  -memsrc        Load input file into memory before decompressing\n");
 #endif
-
+  fprintf(stderr, "  -report        Report decompression progress\n");
   fprintf(stderr, "  -skip Y0,Y1    Decompress all rows except those between Y0 and Y1 (inclusive)\n");
   fprintf(stderr, "  -crop WxH+X+Y  Decompress only a rectangular subregion of the image\n");
   fprintf(stderr, "                 [requires PBMPLUS (PPM/PGM), GIF, or Targa output format]\n");
+  fprintf(stderr, "  -strict        Treat all warnings as fatal\n");
   fprintf(stderr, "  -verbose  or  -debug   Emit debug output\n");
   fprintf(stderr, "  -version       Print version information and exit\n");
   exit(EXIT_FAILURE);
@@ -203,10 +196,13 @@ parse_switches(j_decompress_ptr cinfo, int argc, char **argv,
   /* Set up default JPEG parameters. */
   requested_fmt = DEFAULT_FMT;  /* set default output file format */
   icc_filename = NULL;
+  max_scans = 0;
   outfilename = NULL;
   memsrc = FALSE;
+  report = FALSE;
   skip = FALSE;
   crop = FALSE;
+  strict = FALSE;
   cinfo->err->trace_level = 0;
 
   /* Scan command line options, adjust parameters */
@@ -224,7 +220,7 @@ parse_switches(j_decompress_ptr cinfo, int argc, char **argv,
     arg++;                      /* advance past switch marker character */
 
     if (keymatch(arg, "bmp", 1)) {
-      /* BMP output format. */
+      /* BMP output format (Windows flavor). */
       requested_fmt = FMT_BMP;
 
     } else if (keymatch(arg, "colors", 1) || keymatch(arg, "colours", 1) ||
@@ -295,9 +291,13 @@ parse_switches(j_decompress_ptr cinfo, int argc, char **argv,
       cinfo->do_fancy_upsampling = FALSE;
 
     } else if (keymatch(arg, "gif", 1)) {
-      /* GIF output format. */
+      /* GIF output format (LZW-compressed). */
       requested_fmt = FMT_GIF;
 
+    } else if (keymatch(arg, "gif0", 4)) {
+      /* GIF output format (uncompressed). */
+      requested_fmt = FMT_GIF0;
+
     } else if (keymatch(arg, "grayscale", 2) ||
                keymatch(arg, "greyscale", 2)) {
       /* Force monochrome output. */
@@ -351,6 +351,12 @@ parse_switches(j_decompress_ptr cinfo, int argc, char **argv,
         lval *= 1000L;
       cinfo->mem->max_memory_to_use = lval * 1000L;
 
+    } else if (keymatch(arg, "maxscans", 4)) {
+      if (++argn >= argc)       /* advance to next argument */
+        usage();
+      if (sscanf(argv[argn], "%u", &max_scans) != 1)
+        usage();
+
     } else if (keymatch(arg, "nosmooth", 3)) {
       /* Suppress fancy upsampling */
       cinfo->do_fancy_upsampling = FALSE;
@@ -383,9 +389,8 @@ parse_switches(j_decompress_ptr cinfo, int argc, char **argv,
       /* PPM/PGM output format. */
       requested_fmt = FMT_PPM;
 
-    } else if (keymatch(arg, "rle", 1)) {
-      /* RLE output format. */
-      requested_fmt = FMT_RLE;
+    } else if (keymatch(arg, "report", 2)) {
+      report = TRUE;
 
     } else if (keymatch(arg, "scale", 2)) {
       /* Scale the output image by a fraction M/N. */
@@ -413,6 +418,9 @@ parse_switches(j_decompress_ptr cinfo, int argc, char **argv,
         usage();
       crop = TRUE;
 
+    } else if (keymatch(arg, "strict", 2)) {
+      strict = TRUE;
+
     } else if (keymatch(arg, "targa", 1)) {
       /* Targa output format. */
       requested_fmt = FMT_TARGA;
@@ -444,7 +452,7 @@ jpeg_getc(j_decompress_ptr cinfo)
       ERREXIT(cinfo, JERR_CANT_SUSPEND);
   }
   datasrc->bytes_in_buffer--;
-  return GETJOCTET(*datasrc->next_input_byte++);
+  return *datasrc->next_input_byte++;
 }
 
 
@@ -499,6 +507,19 @@ print_text_marker(j_decompress_ptr cinfo)
 }
 
 
+METHODDEF(void)
+my_emit_message(j_common_ptr cinfo, int msg_level)
+{
+  if (msg_level < 0) {
+    /* Treat warning as fatal */
+    cinfo->err->error_exit(cinfo);
+  } else {
+    if (cinfo->err->trace_level >= msg_level)
+      cinfo->err->output_message(cinfo);
+  }
+}
+
+
 /*
  * The main program.
  */
@@ -508,9 +529,7 @@ main(int argc, char **argv)
 {
   struct jpeg_decompress_struct cinfo;
   struct jpeg_error_mgr jerr;
-#ifdef PROGRESS_REPORT
   struct cdjpeg_progress_mgr progress;
-#endif
   int file_index;
   djpeg_dest_ptr dest_mgr = NULL;
   FILE *input_file;
@@ -521,11 +540,6 @@ main(int argc, char **argv)
 #endif
   JDIMENSION num_scanlines;
 
-  /* On Mac, fetch a command line. */
-#ifdef USE_CCOMMAND
-  argc = ccommand(&argv);
-#endif
-
   progname = argv[0];
   if (progname == NULL || progname[0] == 0)
     progname = "djpeg";         /* in case C library doesn't provide it */
@@ -557,6 +571,9 @@ main(int argc, char **argv)
 
   file_index = parse_switches(&cinfo, argc, argv, 0, FALSE);
 
+  if (strict)
+    jerr.emit_message = my_emit_message;
+
 #ifdef TWO_FILE_COMMANDLINE
   /* Must have either -outfile switch or explicit output file name */
   if (outfilename == NULL) {
@@ -603,9 +620,11 @@ main(int argc, char **argv)
     output_file = write_stdout();
   }
 
-#ifdef PROGRESS_REPORT
-  start_progress_monitor((j_common_ptr)&cinfo, &progress);
-#endif
+  if (report || max_scans != 0) {
+    start_progress_monitor((j_common_ptr)&cinfo, &progress);
+    progress.report = report;
+    progress.max_scans = max_scans;
+  }
 
   /* Specify data source for decompression */
 #if JPEG_LIB_VERSION >= 80 || defined(MEM_SRCDST_SUPPORTED)
@@ -617,7 +636,7 @@ main(int argc, char **argv)
         fprintf(stderr, "%s: memory allocation failure\n", progname);
         exit(EXIT_FAILURE);
       }
-      nbytes = JFREAD(input_file, &inbuffer[insize], INPUT_BUF_SIZE);
+      nbytes = fread(&inbuffer[insize], 1, INPUT_BUF_SIZE, input_file);
       if (nbytes < INPUT_BUF_SIZE && ferror(input_file)) {
         if (file_index < argc)
           fprintf(stderr, "%s: can't read from %s\n", progname,
@@ -653,7 +672,10 @@ main(int argc, char **argv)
 #endif
 #ifdef GIF_SUPPORTED
   case FMT_GIF:
-    dest_mgr = jinit_write_gif(&cinfo);
+    dest_mgr = jinit_write_gif(&cinfo, TRUE);
+    break;
+  case FMT_GIF0:
+    dest_mgr = jinit_write_gif(&cinfo, FALSE);
     break;
 #endif
 #ifdef PPM_SUPPORTED
@@ -661,11 +683,6 @@ main(int argc, char **argv)
     dest_mgr = jinit_write_ppm(&cinfo);
     break;
 #endif
-#ifdef RLE_SUPPORTED
-  case FMT_RLE:
-    dest_mgr = jinit_write_rle(&cinfo);
-    break;
-#endif
 #ifdef TARGA_SUPPORTED
   case FMT_TARGA:
     dest_mgr = jinit_write_targa(&cinfo);
@@ -689,7 +706,7 @@ main(int argc, char **argv)
      * that skip_start <= skip_end.
      */
     if (skip_end > cinfo.output_height - 1) {
-      fprintf(stderr, "%s: skip region exceeds image height %d\n", progname,
+      fprintf(stderr, "%s: skip region exceeds image height %u\n", progname,
               cinfo.output_height);
       exit(EXIT_FAILURE);
     }
@@ -708,7 +725,12 @@ main(int argc, char **argv)
                                           dest_mgr->buffer_height);
       (*dest_mgr->put_pixel_rows) (&cinfo, dest_mgr, num_scanlines);
     }
-    jpeg_skip_scanlines(&cinfo, skip_end - skip_start + 1);
+    if ((tmp = jpeg_skip_scanlines(&cinfo, skip_end - skip_start + 1)) !=
+        skip_end - skip_start + 1) {
+      fprintf(stderr, "%s: jpeg_skip_scanlines() returned %u rather than %u\n",
+              progname, tmp, skip_end - skip_start + 1);
+      exit(EXIT_FAILURE);
+    }
     while (cinfo.output_scanline < cinfo.output_height) {
       num_scanlines = jpeg_read_scanlines(&cinfo, dest_mgr->buffer,
                                           dest_mgr->buffer_height);
@@ -724,7 +746,7 @@ main(int argc, char **argv)
      */
     if (crop_x + crop_width > cinfo.output_width ||
         crop_y + crop_height > cinfo.output_height) {
-      fprintf(stderr, "%s: crop dimensions exceed image dimensions %d x %d\n",
+      fprintf(stderr, "%s: crop dimensions exceed image dimensions %u x %u\n",
               progname, cinfo.output_width, cinfo.output_height);
       exit(EXIT_FAILURE);
     }
@@ -744,13 +766,24 @@ main(int argc, char **argv)
     cinfo.output_height = tmp;
 
     /* Process data */
-    jpeg_skip_scanlines(&cinfo, crop_y);
+    if ((tmp = jpeg_skip_scanlines(&cinfo, crop_y)) != crop_y) {
+      fprintf(stderr, "%s: jpeg_skip_scanlines() returned %u rather than %u\n",
+              progname, tmp, crop_y);
+      exit(EXIT_FAILURE);
+    }
     while (cinfo.output_scanline < crop_y + crop_height) {
       num_scanlines = jpeg_read_scanlines(&cinfo, dest_mgr->buffer,
                                           dest_mgr->buffer_height);
       (*dest_mgr->put_pixel_rows) (&cinfo, dest_mgr, num_scanlines);
     }
-    jpeg_skip_scanlines(&cinfo, cinfo.output_height - crop_y - crop_height);
+    if ((tmp =
+         jpeg_skip_scanlines(&cinfo,
+                             cinfo.output_height - crop_y - crop_height)) !=
+        cinfo.output_height - crop_y - crop_height) {
+      fprintf(stderr, "%s: jpeg_skip_scanlines() returned %u rather than %u\n",
+              progname, tmp, cinfo.output_height - crop_y - crop_height);
+      exit(EXIT_FAILURE);
+    }
 
   /* Normal full-image decompress */
   } else {
@@ -765,12 +798,11 @@ main(int argc, char **argv)
     }
   }
 
-#ifdef PROGRESS_REPORT
   /* Hack: count final pass as done in case finish_output does an extra pass.
    * The library won't have updated completed_passes.
    */
-  progress.pub.completed_passes = progress.pub.total_passes;
-#endif
+  if (report || max_scans != 0)
+    progress.pub.completed_passes = progress.pub.total_passes;
 
   if (icc_filename != NULL) {
     FILE *icc_file;
@@ -809,9 +841,8 @@ main(int argc, char **argv)
   if (output_file != stdout)
     fclose(output_file);
 
-#ifdef PROGRESS_REPORT
-  end_progress_monitor((j_common_ptr)&cinfo);
-#endif
+  if (report || max_scans != 0)
+    end_progress_monitor((j_common_ptr)&cinfo);
 
   if (memsrc)
     free(inbuffer);

doc/html/annotated.html

@@ -1,18 +1,17 @@
-<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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-        -moz-border-radius-topleft: 4px;
         /* webkit specific markup */
         -webkit-box-shadow: 5px 5px 5px rgba(0, 0, 0, 0.15);
         -webkit-border-top-right-radius: 4px;
-        -webkit-border-top-left-radius: 4px;
 
 }
 
+.overload {
+        font-family: "courier new",courier,monospace;
+	font-size: 65%;
+}
+
 .memdoc, dl.reflist dd {
         border-bottom: 1px solid #A8B8D9;      
         border-left: 1px solid #A8B8D9;      
@@ -611,17 +708,17 @@ dl.reflist dd {
         padding-left: 0px;
 }       
 
-.params .paramname, .retval .paramname {
+.params .paramname, .retval .paramname, .tparams .paramname, .exception .paramname {
         font-weight: bold;
         vertical-align: top;
 }
         
-.params .paramtype {
+.params .paramtype, .tparams .paramtype {
         font-style: italic;
         vertical-align: top;
 }       
         
-.params .paramdir {
+.params .paramdir, .tparams .paramdir {
         font-family: "courier new",courier,monospace;
         vertical-align: top;
 }
@@ -665,12 +762,12 @@ span.mlabel {
 
 /* @end */
 
-/* these are for tree view when not used as main index */
+/* these are for tree view inside a (index) page */
 
 div.directory {
         margin: 10px 0px;
-        border-top: 1px solid #A8B8D9;
-        border-bottom: 1px solid #A8B8D9;
+        border-top: 1px solid #9CAFD4;
+        border-bottom: 1px solid #9CAFD4;
         width: 100%;
 }
 
@@ -687,6 +784,7 @@ div.directory {
 .directory td.entry {
         white-space: nowrap;
         padding-right: 6px;
+	padding-top: 3px;
 }
 
 .directory td.entry a {
@@ -728,6 +826,80 @@ div.directory {
 	color: #3D578C;
 }
 
+.arrow {
+    color: #9CAFD4;
+    -webkit-user-select: none;
+    -khtml-user-select: none;
+    -moz-user-select: none;
+    -ms-user-select: none;
+    user-select: none;
+    cursor: pointer;
+    font-size: 80%;
+    display: inline-block;
+    width: 16px;
+    height: 22px;
+}
+
+.icon {
+    font-family: Arial, Helvetica;
+    font-weight: bold;
+    font-size: 12px;
+    height: 14px;
+    width: 16px;
+    display: inline-block;
+    background-color: #728DC1;
+    color: white;
+    text-align: center;
+    border-radius: 4px;
+    margin-left: 2px;
+    margin-right: 2px;
+}
+
+.icona {
+    width: 24px;
+    height: 22px;
+    display: inline-block;
+}
+
+.iconfopen {
+    width: 24px;
+    height: 18px;
+    margin-bottom: 4px;
+    background-image:url('folderopen.png');
+    background-position: 0px -4px;
+    background-repeat: repeat-y;
+    vertical-align:top;
+    display: inline-block;
+}
+
+.iconfclosed {
+    width: 24px;
+    height: 18px;
+    margin-bottom: 4px;
+    background-image:url('folderclosed.png');
+    background-position: 0px -4px;
+    background-repeat: repeat-y;
+    vertical-align:top;
+    display: inline-block;
+}
+
+.icondoc {
+    width: 24px;
+    height: 18px;
+    margin-bottom: 4px;
+    background-image:url('doc.png');
+    background-position: 0px -4px;
+    background-repeat: repeat-y;
+    vertical-align:top;
+    display: inline-block;
+}
+
+table.directory {
+    font: 400 14px Roboto,sans-serif;
+}
+
+/* @end */
+
 div.dynheader {
         margin-top: 8px;
 	-webkit-touch-callout: none;
@@ -743,6 +915,10 @@ address {
 	color: #2A3D61;
 }
 
+table.doxtable caption {
+	caption-side: top;
+}
+
 table.doxtable {
 	border-collapse:collapse;
         margin-top: 4px;
@@ -787,7 +963,7 @@ table.fieldtable {
 }
 
 .fieldtable td.fieldname {
-        padding-top: 5px;
+        padding-top: 3px;
 }
 
 .fieldtable td.fielddoc {
@@ -796,7 +972,7 @@ table.fieldtable {
 }
 
 .fieldtable td.fielddoc p:first-child {
-        margin-top: 2px;
+        margin-top: 0px;
 }       
         
 .fieldtable td.fielddoc p:last-child {
@@ -816,6 +992,7 @@ table.fieldtable {
         padding-bottom: 4px;
         padding-top: 5px;
         text-align:left;
+        font-weight: 400;
         -moz-border-radius-topleft: 4px;
         -moz-border-radius-topright: 4px;
         -webkit-border-top-left-radius: 4px;
@@ -908,6 +1085,18 @@ div.summary a
 	white-space: nowrap;
 }
 
+table.classindex
+{
+        margin: 10px;
+        white-space: nowrap;
+        margin-left: 3%;
+        margin-right: 3%;
+        width: 94%;
+        border: 0;
+        border-spacing: 0; 
+        padding: 0;
+}
+
 div.ingroups
 {
 	font-size: 8pt;
@@ -934,72 +1123,143 @@ div.headertitle
 	padding: 5px 5px 5px 10px;
 }
 
-dl
-{
-        padding: 0 0 0 10px;
+.PageDocRTL-title div.headertitle {
+  text-align: right;
+  direction: rtl;
 }
 
-/* dl.note, dl.warning, dl.attention, dl.pre, dl.post, dl.invariant, dl.deprecated, dl.todo, dl.test, dl.bug */
-dl.section
-{
+dl {
+        padding: 0 0 0 0;
+}
+
+/* dl.note, dl.warning, dl.attention, dl.pre, dl.post, dl.invariant, dl.deprecated, dl.todo, dl.test, dl.bug, dl.examples */
+dl.section {
 	margin-left: 0px;
 	padding-left: 0px;
 }
 
-dl.note
-{
-        margin-left:-7px;
-        padding-left: 3px;
-        border-left:4px solid;
-        border-color: #D0C000;
+dl.section.DocNodeRTL {
+  margin-right: 0px;
+  padding-right: 0px;
 }
 
-dl.warning, dl.attention
-{
-        margin-left:-7px;
-        padding-left: 3px;
-        border-left:4px solid;
-        border-color: #FF0000;
+dl.note {
+  margin-left: -7px;
+  padding-left: 3px;
+  border-left: 4px solid;
+  border-color: #D0C000;
 }
 
-dl.pre, dl.post, dl.invariant
-{
-        margin-left:-7px;
-        padding-left: 3px;
-        border-left:4px solid;
-        border-color: #00D000;
+dl.note.DocNodeRTL {
+  margin-left: 0;
+  padding-left: 0;
+  border-left: 0;
+  margin-right: -7px;
+  padding-right: 3px;
+  border-right: 4px solid;
+  border-color: #D0C000;
 }
 
-dl.deprecated
-{
-        margin-left:-7px;
-        padding-left: 3px;
-        border-left:4px solid;
-        border-color: #505050;
+dl.warning, dl.attention {
+  margin-left: -7px;
+  padding-left: 3px;
+  border-left: 4px solid;
+  border-color: #FF0000;
 }
 
-dl.todo
-{
-        margin-left:-7px;
-        padding-left: 3px;
-        border-left:4px solid;
-        border-color: #00C0E0;
+dl.warning.DocNodeRTL, dl.attention.DocNodeRTL {
+  margin-left: 0;
+  padding-left: 0;
+  border-left: 0;
+  margin-right: -7px;
+  padding-right: 3px;
+  border-right: 4px solid;
+  border-color: #FF0000;
 }
 
-dl.test
-{
-        margin-left:-7px;
-        padding-left: 3px;
-        border-left:4px solid;
-        border-color: #3030E0;
+dl.pre, dl.post, dl.invariant {
+  margin-left: -7px;
+  padding-left: 3px;
+  border-left: 4px solid;
+  border-color: #00D000;
 }
 
-dl.bug
-{
-        margin-left:-7px;
-        padding-left: 3px;
-        border-left:4px solid;
-        border-color: #C08050;
+dl.pre.DocNodeRTL, dl.post.DocNodeRTL, dl.invariant.DocNodeRTL {
+  margin-left: 0;
+  padding-left: 0;
+  border-left: 0;
+  margin-right: -7px;
+  padding-right: 3px;
+  border-right: 4px solid;
+  border-color: #00D000;
+}
+
+dl.deprecated {
+  margin-left: -7px;
+  padding-left: 3px;
+  border-left: 4px solid;
+  border-color: #505050;
+}
+
+dl.deprecated.DocNodeRTL {
+  margin-left: 0;
+  padding-left: 0;
+  border-left: 0;
+  margin-right: -7px;
+  padding-right: 3px;
+  border-right: 4px solid;
+  border-color: #505050;
+}
+
+dl.todo {
+  margin-left: -7px;
+  padding-left: 3px;
+  border-left: 4px solid;
+  border-color: #00C0E0;
+}
+
+dl.todo.DocNodeRTL {
+  margin-left: 0;
+  padding-left: 0;
+  border-left: 0;
+  margin-right: -7px;
+  padding-right: 3px;
+  border-right: 4px solid;
+  border-color: #00C0E0;
+}
+
+dl.test {
+  margin-left: -7px;
+  padding-left: 3px;
+  border-left: 4px solid;
+  border-color: #3030E0;
+}
+
+dl.test.DocNodeRTL {
+  margin-left: 0;
+  padding-left: 0;
+  border-left: 0;
+  margin-right: -7px;
+  padding-right: 3px;
+  border-right: 4px solid;
+  border-color: #3030E0;
+}
+
+dl.bug {
+  margin-left: -7px;
+  padding-left: 3px;
+  border-left: 4px solid;
+  border-color: #C08050;
+}
+
+dl.bug.DocNodeRTL {
+  margin-left: 0;
+  padding-left: 0;
+  border-left: 0;
+  margin-right: -7px;
+  padding-right: 3px;
+  border-right: 4px solid;
+  border-color: #C08050;
 }
 
 dl.section dd {
@@ -1019,6 +1279,11 @@ dl.section dd {
 	border: 0px none;
 }
  
+#projectalign
+{
+        vertical-align: middle;
+}
+
 #projectname
 {
 	font: 300% Tahoma, Arial,sans-serif;
@@ -1063,6 +1328,16 @@ dl.section dd {
         text-align: center;
 }
 
+.plantumlgraph
+{
+        text-align: center;
+}
+
+.diagraph
+{
+        text-align: center;
+}
+
 .caption
 {
 	font-weight: bold;
@@ -1083,10 +1358,12 @@ dl.citelist dt {
         font-weight:bold;
         margin-right:10px;
         padding:5px;
+        text-align:right;
+        width:52px;
 }
 
 dl.citelist dd {
-        margin:2px 0;
+        margin:2px 0 2px 72px;
         padding:5px 0;
 }
 
@@ -1097,10 +1374,15 @@ div.toc {
         border-radius: 7px 7px 7px 7px;
         float: right;
         height: auto;
-        margin: 0 20px 10px 10px;
+        margin: 0 8px 10px 10px;
         width: 200px;
 }
 
+.PageDocRTL-title div.toc {
+  float: left !important;
+  text-align: right;
+}
+
 div.toc li {
         background: url("bdwn.png") no-repeat scroll 0 5px transparent;
         font: 10px/1.2 Verdana,DejaVu Sans,Geneva,sans-serif;
@@ -1109,6 +1391,12 @@ div.toc li {
         padding-top: 2px;
 }
 
+.PageDocRTL-title div.toc li {
+  background-position-x: right !important;
+  padding-left: 0 !important;
+  padding-right: 10px;
+}
+
 div.toc h3 {
         font: bold 12px/1.2 Arial,FreeSans,sans-serif;
 	color: #4665A2;
@@ -1138,6 +1426,26 @@ div.toc li.level4 {
         margin-left: 45px;
 }
 
+.PageDocRTL-title div.toc li.level1 {
+  margin-left: 0 !important;
+  margin-right: 0;
+}
+
+.PageDocRTL-title div.toc li.level2 {
+  margin-left: 0 !important;
+  margin-right: 15px;
+}
+
+.PageDocRTL-title div.toc li.level3 {
+  margin-left: 0 !important;
+  margin-right: 30px;
+}
+
+.PageDocRTL-title div.toc li.level4 {
+  margin-left: 0 !important;
+  margin-right: 45px;
+}
+
 .inherit_header {
         font-weight: bold;
         color: gray;
@@ -1163,6 +1471,177 @@ tr.heading h2 {
         margin-bottom: 4px;
 }
 
+/* tooltip related style info */
+
+.ttc {
+        position: absolute;
+        display: none;
+}
+
+#powerTip {
+	cursor: default;
+	white-space: nowrap;
+	background-color: white;
+	border: 1px solid gray;
+	border-radius: 4px 4px 4px 4px;
+	box-shadow: 1px 1px 7px gray;
+	display: none;
+	font-size: smaller;
+	max-width: 80%;
+	opacity: 0.9;
+	padding: 1ex 1em 1em;
+	position: absolute;
+	z-index: 2147483647;
+}
+
+#powerTip div.ttdoc {
+        color: grey;
+	font-style: italic;
+}
+
+#powerTip div.ttname a {
+        font-weight: bold;
+}
+
+#powerTip div.ttname {
+        font-weight: bold;
+}
+
+#powerTip div.ttdeci {
+        color: #006318;
+}
+
+#powerTip div {
+        margin: 0px;
+        padding: 0px;
+        font: 12px/16px Roboto,sans-serif;
+}
+
+#powerTip:before, #powerTip:after {
+	content: "";
+	position: absolute;
+	margin: 0px;
+}
+
+#powerTip.n:after,  #powerTip.n:before,
+#powerTip.s:after,  #powerTip.s:before,
+#powerTip.w:after,  #powerTip.w:before,
+#powerTip.e:after,  #powerTip.e:before,
+#powerTip.ne:after, #powerTip.ne:before,
+#powerTip.se:after, #powerTip.se:before,
+#powerTip.nw:after, #powerTip.nw:before,
+#powerTip.sw:after, #powerTip.sw:before {
+	border: solid transparent;
+	content: " ";
+	height: 0;
+	width: 0;
+	position: absolute;
+}
+
+#powerTip.n:after,  #powerTip.s:after,
+#powerTip.w:after,  #powerTip.e:after,
+#powerTip.nw:after, #powerTip.ne:after,
+#powerTip.sw:after, #powerTip.se:after {
+	border-color: rgba(255, 255, 255, 0);
+}
+
+#powerTip.n:before,  #powerTip.s:before,
+#powerTip.w:before,  #powerTip.e:before,
+#powerTip.nw:before, #powerTip.ne:before,
+#powerTip.sw:before, #powerTip.se:before {
+	border-color: rgba(128, 128, 128, 0);
+}
+
+#powerTip.n:after,  #powerTip.n:before,
+#powerTip.ne:after, #powerTip.ne:before,
+#powerTip.nw:after, #powerTip.nw:before {
+	top: 100%;
+}
+
+#powerTip.n:after, #powerTip.ne:after, #powerTip.nw:after {
+	border-top-color: #FFFFFF;
+	border-width: 10px;
+	margin: 0px -10px;
+}
+#powerTip.n:before {
+	border-top-color: #808080;
+	border-width: 11px;
+	margin: 0px -11px;
+}
+#powerTip.n:after, #powerTip.n:before {
+	left: 50%;
+}
+
+#powerTip.nw:after, #powerTip.nw:before {
+	right: 14px;
+}
+
+#powerTip.ne:after, #powerTip.ne:before {
+	left: 14px;
+}
+
+#powerTip.s:after,  #powerTip.s:before,
+#powerTip.se:after, #powerTip.se:before,
+#powerTip.sw:after, #powerTip.sw:before {
+	bottom: 100%;
+}
+
+#powerTip.s:after, #powerTip.se:after, #powerTip.sw:after {
+	border-bottom-color: #FFFFFF;
+	border-width: 10px;
+	margin: 0px -10px;
+}
+
+#powerTip.s:before, #powerTip.se:before, #powerTip.sw:before {
+	border-bottom-color: #808080;
+	border-width: 11px;
+	margin: 0px -11px;
+}
+
+#powerTip.s:after, #powerTip.s:before {
+	left: 50%;
+}
+
+#powerTip.sw:after, #powerTip.sw:before {
+	right: 14px;
+}
+
+#powerTip.se:after, #powerTip.se:before {
+	left: 14px;
+}
+
+#powerTip.e:after, #powerTip.e:before {
+	left: 100%;
+}
+#powerTip.e:after {
+	border-left-color: #FFFFFF;
+	border-width: 10px;
+	top: 50%;
+	margin-top: -10px;
+}
+#powerTip.e:before {
+	border-left-color: #808080;
+	border-width: 11px;
+	top: 50%;
+	margin-top: -11px;
+}
+
+#powerTip.w:after, #powerTip.w:before {
+	right: 100%;
+}
+#powerTip.w:after {
+	border-right-color: #FFFFFF;
+	border-width: 10px;
+	top: 50%;
+	margin-top: -10px;
+}
+#powerTip.w:before {
+	border-right-color: #808080;
+	border-width: 11px;
+	top: 50%;
+	margin-top: -11px;
+}
+
 @media print
 {
   #top { display: none; }
@@ -1182,3 +1661,72 @@ tr.heading h2 {
   }
 }
 
+/* @group Markdown */
+
+table.markdownTable {
+	border-collapse:collapse;
+        margin-top: 4px;
+        margin-bottom: 4px;
+}
+
+table.markdownTable td, table.markdownTable th {
+	border: 1px solid #2D4068;
+	padding: 3px 7px 2px;
+}
+
+table.markdownTable tr {
+}
+
+th.markdownTableHeadLeft, th.markdownTableHeadRight, th.markdownTableHeadCenter, th.markdownTableHeadNone {
+	background-color: #374F7F;
+	color: #FFFFFF;
+	font-size: 110%;
+	padding-bottom: 4px;
+	padding-top: 5px;
+}
+
+th.markdownTableHeadLeft, td.markdownTableBodyLeft {
+	text-align: left
+}
+
+th.markdownTableHeadRight, td.markdownTableBodyRight {
+	text-align: right
+}
+
+th.markdownTableHeadCenter, td.markdownTableBodyCenter {
+	text-align: center
+}
+
+.DocNodeRTL {
+  text-align: right;
+  direction: rtl;
+}
+
+.DocNodeLTR {
+  text-align: left;
+  direction: ltr;
+}
+
+table.DocNodeRTL {
+   width: auto;
+   margin-right: 0;
+   margin-left: auto;
+}
+
+table.DocNodeLTR {
+   width: auto;
+   margin-right: auto;
+   margin-left: 0;
+}
+
+tt, code, kbd, samp
+{
+  display: inline-block;
+  direction:ltr; 
+}
+/* @end */
+
+u {
+	text-decoration: underline;
+}
+

doc/html/dynsections.js

@@ -1,3 +1,27 @@
+/*
+ @licstart  The following is the entire license notice for the JavaScript code in this file.
+
+ The MIT License (MIT)
+
+ Copyright (C) 1997-2020 by Dimitri van Heesch
+
+ 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.
+
+ @licend  The above is the entire license notice for the JavaScript code in this file
+ */
 function toggleVisibility(linkObj)
 {
  var base = $(linkObj).attr('id');
@@ -24,19 +48,20 @@ function updateStripes()
   $('table.directory tr').
        removeClass('even').filter(':visible:even').addClass('even');
 }
+
 function toggleLevel(level)
 {
-  $('table.directory tr').each(function(){ 
+  $('table.directory tr').each(function() {
     var l = this.id.split('_').length-1;
     var i = $('#img'+this.id.substring(3));
     var a = $('#arr'+this.id.substring(3));
     if (l<level+1) {
-      i.attr('src','ftv2folderopen.png');
-      a.attr('src','ftv2mnode.png');
+      i.removeClass('iconfopen iconfclosed').addClass('iconfopen');
+      a.html('&#9660;');
       $(this).show();
     } else if (l==level+1) {
-      i.attr('src','ftv2folderclosed.png');
-      a.attr('src','ftv2pnode.png');
+      i.removeClass('iconfclosed iconfopen').addClass('iconfclosed');
+      a.html('&#9658;');
       $(this).show();
     } else {
       $(this).hide();
@@ -47,34 +72,33 @@ function toggleLevel(level)
 
 function toggleFolder(id)
 {
-  //The clicked row
+  // the clicked row
   var currentRow = $('#row_'+id);
-  var currentRowImages = currentRow.find("img");
 
-  //All rows after the clicked row
+  // all rows after the clicked row
   var rows = currentRow.nextAll("tr");
 
-  //Only match elements AFTER this one (can't hide elements before)
-  var childRows = rows.filter(function() {
-    var re = new RegExp('^row_'+id+'\\d+_$', "i"); //only one sub
-    return this.id.match(re);
-  });
+  var re = new RegExp('^row_'+id+'\\d+_$', "i"); //only one sub
 
-  //First row is visible we are HIDING
+  // only match elements AFTER this one (can't hide elements before)
+  var childRows = rows.filter(function() { return this.id.match(re); });
+
+  // first row is visible we are HIDING
   if (childRows.filter(':first').is(':visible')===true) {
-    currentRowImages.filter("[id^=arr]").attr('src', 'ftv2pnode.png');
-    currentRowImages.filter("[id^=img]").attr('src', 'ftv2folderclosed.png');
-    rows.filter("[id^=row_"+id+"]").hide();
-  } else { //We are SHOWING
-    //All sub images
-    var childImages = childRows.find("img");
-    var childImg = childImages.filter("[id^=img]");
-    var childArr = childImages.filter("[id^=arr]");
-
-    currentRow.find("[id^=arr]").attr('src', 'ftv2mnode.png'); //open row
-    currentRow.find("[id^=img]").attr('src', 'ftv2folderopen.png'); //open row
-    childImg.attr('src','ftv2folderclosed.png'); //children closed
-    childArr.attr('src','ftv2pnode.png'); //children closed
+    // replace down arrow by right arrow for current row
+    var currentRowSpans = currentRow.find("span");
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+      $('#main-menu').append('<li style="float:right"><div id="MSearchBox" class="MSearchBoxInactive"><span class="left"><img id="MSearchSelect" src="'+relPath+'search/mag_sel.svg" onmouseover="return searchBox.OnSearchSelectShow()" onmouseout="return searchBox.OnSearchSelectHide()" alt=""/><input type="text" id="MSearchField" value="'+search+'" accesskey="S" onfocus="searchBox.OnSearchFieldFocus(true)" onblur="searchBox.OnSearchFieldFocus(false)" onkeyup="searchBox.OnSearchFieldChange(event)"/></span><span class="right"><a id="MSearchClose" href="javascript:searchBox.CloseResultsWindow()"><img id="MSearchCloseImg" border="0" src="'+relPath+'search/close.svg" alt=""/></a></span></div></li>');
+    }
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+  $('#main-menu').smartmenus();
+}
+/* @license-end */

doc/html/menudata.js

@@ -0,0 +1,33 @@
+/*
+ @licstart  The following is the entire license notice for the JavaScript code in this file.
+
+ The MIT License (MIT)
+
+ Copyright (C) 1997-2020 by Dimitri van Heesch
+
+ 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.
+
+ @licend  The above is the entire license notice for the JavaScript code in this file
+*/
+var menudata={children:[
+{text:"Main Page",url:"index.html"},
+{text:"Modules",url:"modules.html"},
+{text:"Data Structures",url:"annotated.html",children:[
+{text:"Data Structures",url:"annotated.html"},
+{text:"Data Structure Index",url:"classes.html"},
+{text:"Data Fields",url:"functions.html",children:[
+{text:"All",url:"functions.html"},
+{text:"Variables",url:"functions_vars.html"}]}]}]}

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