Techno
GIMP
GNU Image Manipulation
Program
Description
In TechnoGIMP, learners create, edit, and
manipulate images using an open-source
image editor—GIMP or GNU Image
Manipulation Program. Once they learn
the basics of GIMP, they will accomplish
activities that will enable them to retouch
photos, create digital arts, edit and
manipulate images, create GIFS, etc.
Learners are also introduced to standard
image editing tools, which are also used in
different image editing platforms.
Objectives:
At the end of the lesson, the students should be able to:
1. Familiarize themselves with the GIMP interface.
2. Open a file.
3. Modify the canvas size.
4. Use the Crop Tool to edit an image.
5. Save a file.
6. Export a file.
Essential
Question
Why is it
important to learn
how to use
software for
editing photos?
GNU Image Manipulation Program or
GIMP is one of the most popular image
editing software. Knowing how to use it will
give you multiple technical skills on graphic
design, image editing, image manipulation,
etc. Familiarizing yourself with GIMP’s
interface will also allow you to use other
image editing software in the future like
Adobe Photoshop, since some of their
features and tools are similar. Learning
how to open, create, save, and export files
in GIMP is a basic skill even when using
other software.
Key Terms
Canva - This is the
area where you place
your image or layers. It
can be filled with a
background color or be
fully transparent.
Key Terms
XCF- This is the default file
format of GIMP.
GIMP
GNU Image Manipulation Program or GIMP is a free and
open-source image editor that can run on multiple
platforms like Windows, Linux, FreeBSD, Mac OS, and
other operating systems. Since it is an open-source editor,
professional users can edit the source code, enabling them
to create plug-ins or updates that provide different tools
and
new customizations to existing tools. Since its
release in 1996, it has now evolved to become a
competitive and free alternative to Adobe
Photoshop.
Basic Parts of GIMP
The GIMP interface has six major parts:
(A) Menu Bar,
(B) Toolbox,
(C) Tool Options,
(D) Canvas,
(E) Brushes/Patterns/Fonts Dock, and
(F) Layers/Channels/Paths Dock.
A. Menu Bar
The menu bar contains the different
functions of GIMP grouped into
categories such as File, Edit, Image, etc.
B. Toolbox
The Toolbox contains the different tools
for creating and editing your work.
a. Tools Selection – where you
can select the different tools
used to create or edit an
image.
b. Foreground and Background
Color Selector – where you set
your foreground and
background colors.
C. Tool Options
The Tool Options
displays the
options for the
currently selected
tool. You can
modify the settings
of the tools in this
panel.
D. Canvas
The canvas contains the image you are
working on.
E. Brushes/Patterns/Fonts Dock
The Brushes/Patterns/Fonts
Dock is where you can select
different types of brushes,
patterns, fonts, gradients, etc.
You can also view more
dockable dialogs by going to
the menu bar and clicking on
Windows ► Dockable Dialogs.
F. Layers/Channels/Paths Dock
The Layers/Channels/Paths
Dock displays the Layers Dialog
by default, which contains the
important buttons used when
dealing with layers.
The following are some of the commonly used
buttons:
a. Layer visibility button – changes the visibility of a
layer.
b. New Layer button – adds a new layer to your work.
c. New Layer Group button – creates a folder where you
can place the layers together.
d. Duplicate Layer button – creates a copy of the
selected layer.
e. Delete Layer button – deletes the selected layer
