Beyond Linux® From Scratch - Version 8.0

Chapter 10. Graphics and Font Libraries

OpenJPEG-2.1.2

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-8.0 platform.

Package Information

[Note]

Note

The OpenJPEG 2 source tarball shown above downloads with the correct name, openjpeg-2.1.2.tar.gz, if using a browser such as Firefox. If you prefer to use a command line program such as wget, you normally would obtain v2.1.2.tar.gz. To obtain this package with the proper filename, run: 

wget -c https://github.com/uclouvain/openjpeg/archive/v2.1.2.tar.gz \
     -O openjpeg-2.1.2.tar.gz

OpenJPEG Dependencies

Required

CMake-3.7.2

Optional

Little CMS-2.8, libpng-1.6.28, LibTIFF-4.0.7, and Doxygen-1.8.13 (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 .. &&
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-2.1 and /usr/lib/openjpeg-2.1

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 2017-02-17 12:01:55 -0800