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
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
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 display area.
Figure 12-1. gThumb Displaying a Folder
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
navigating to the file on your system. Double-click on the
file to display it.