Beyond Linux® From Scratch (System V Edition) - Version 2021-04-13

Chapter 10. Graphics and Font Libraries

OpenJPEG-2.4.0

Introduction to OpenJPEG

OpenJPEG is an open-source implementation of the JPEG-2000 standard. OpenJPEG fully respects the JPEG-2000 specifications and can compress/decompress lossless 16-bit images.

This package is known to build and work properly using an LFS-10.1 platform.

Package Information

OpenJPEG Dependencies

Required

CMake-3.20.1

Optional

Little CMS-2.12, libpng-1.6.37, LibTIFF-4.2.0, and Doxygen-1.9.1 (to build the API documentation)

User Notes: http://wiki.linuxfromscratch.org/blfs/wiki/openjpeg2

Installation of OpenJPEG

Install OpenJPEG by running the following commands: 

mkdir -v build &&
cd       build &&

cmake -DCMAKE_BUILD_TYPE=Release \
      -DCMAKE_INSTALL_PREFIX=/usr \
      -DBUILD_STATIC_LIBS=OFF .. &&
make

This package does not come with a working test suite.

Now, as the root user: 

make install &&

pushd ../doc &&
  for man in man/man?/* ; do
      install -v -D -m 644 $man /usr/share/$man
  done 
popd

Contents

Installed Programs: opj_compress, opj_decompress, and opj_dump
Installed Libraries: libopenjp2.so
Installed Directories: /usr/include/openjpeg-2.4 and /usr/lib/openjpeg-2.4

Short Descriptions

opj_compress

converts various image formats to the jpeg2000 format

opj_decompress

converts jpeg2000 images to other image types

opj_dump

reads in a jpeg2000 image and dumps the contents to stdout

Last updated on 2021-02-21 17:09:04 -0600