Beyond Linux® From Scratch (System V Edition) - Version 11.0

Chapter 25. X Libraries

gdk-pixbuf-2.42.6

Introduction to Gdk Pixbuf

The Gdk Pixbuf package is a toolkit for image loading and pixel buffer manipulation. It is used by GTK+ 2 and GTK+ 3 to load and manipulate images. In the past it was distributed as part of GTK+ 2 but it was split off into a separate package in preparation for the change to GTK+ 3.

This package is known to build and work properly using an LFS-11.0 platform.

Package Information

Gdk Pixbuf Dependencies

Required

GLib-2.68.4, libjpeg-turbo-2.1.1, libpng-1.6.37, and shared-mime-info-2.1

Recommended

librsvg-2.50.7 (runtime dependency, needed for loading symbolic icons) and libtiff-4.3.0

Optional (Required if building GNOME)

gobject-introspection-1.68.0

Optional

gi-docgen (to generate documentation)

User Notes: https://wiki.linuxfromscratch.org/blfs/wiki/gdk-pixbuf

Installation of Gdk Pixbuf

Install Gdk Pixbuf by running the following commands: 

mkdir build &&
cd build &&

meson --prefix=/usr --buildtype=release --wrap-mode=nofallback .. &&
ninja

To test the results, issue: ninja test. The tests make a heavy use of disk.

Now, as the root user: 

ninja install
[Note]

Note

If you installed the package on to your system using a “DESTDIR” method, an important file was not installed and should be copied and/or generated. Generate it using the following command as the root user: 

gdk-pixbuf-query-loaders --update-cache

Command Explanations

--buildtype=release: Specify a buildtype suitable for stable releases of the package, as the default may produce unoptimized binaries.

--wrap-mode=nofallback: This switch prevents meson from iusing subproject fallbacks for any dependency declarations in the build files, stopping it downloading any optional dependency which is not installed on the system.

Contents

Installed Programs: gdk-pixbuf-csource, gdk-pixbuf-pixdata, gdk-pixbuf-query-loaders, and gdk-pixbuf-thumbnailer
Installed Libraries: libgdk_pixbuf-2.0.so
Installed Directories: /usr/{include,lib}/gdk-pixbuf-2.0, /usr/libexec/installed-tests/gdk-pixbuf, /usr/share/installed-tests/gdk-pixbuf, /usr/share/gtk-doc/html/gdk-pixbuf, and /usr/share/thumbnailers

Short Descriptions

gdk-pixbuf-csource

is a small utility that generates C code containing images, used for compiling images directly into programs

gdk-pixbuf-pixdata

is a tool used to convert GdkPixbuf to GdkPixdata

gdk-pixbuf-query-loaders

collects information about loadable modules for Gdk Pixbuf and writes it to the default cache file location, or to stdout

gdk-pixbuf-thumbnailer

creates thumbnails of pictures for use in other applications

libgdk_pixbuf-2.0.so

contains functions used to load and render images

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