This section discusses some of the common tools for viewing
image files. Red Hat Enterprise Linux contains light, fast
applications that display images as well as full-featured
applications that display and edit images.
As discussed in Section 2.1 Using
Nautilus, Nautilus displays
image files as thumbnails. To view a larger display of the image,
double-click on the thumbnail. Nautilus
opens the file in the default image viewing application, Eyes of GNOME.
gThumb is a powerful image viewer for
graphical desktop users that supports several image file
gThumb is useful for viewing
individual image files as well as browsing collections of files in
folders. It supports zoom in and zoom out functions, as well as
thumbnails of all image files within a directory. It also supports
several advanced options not found in Nautilus.
gThumb can be started from your
desktop panel by selecting
=> => . Start the application from a shell
prompt by entering the command gthumb.
gThumb will browse your user home
directory by default. If you have any images in this directory, the
gallery panel will automatically generate thumbnails in the main
Figure 12-1. gThumb Displaying a Folder of Images
The gThumb interface has a text field
for you to enter a particular path to your image directories.
Right-clicking on an image in the display area opens a pop-up menu
of file management options such as renaming, moving, copying, and
converting an image from one file format to another. You can also
set an image as your desktop wallpaper within the pop-up menu.
You can combine functions within gThumb and create a dynamic presentation effect
for groups of images within a directory. In the text field below
the toolbar, type the path to the directory where your images are
located and highlight the first image in the main gallery panel.
Clicking the Slide Show button on the
toolbar starts a full-screen slide show. By default, each image in
the slide show is presented for 4 seconds. You can stop the slide
show at any time by pressing [Esc] or
by moving your mouse cursor and clicking the Restore Normal View pop-up button that appears on
the top left corner of the screen.
To start the GIMP, select
=> => . The first time the application starts,
you must go through an installation process. Select Continue to accept the default options of the
installation. Once the GIMP has
installed, use it to display your image file by selecting => and
navigating to the file on your system. Double-click on the file to