Basics of GIMP

1. BASIC IMAGE
MANIPULATION
USING OFFLINE OR OPEN-SOURCE
SOFTWARE

2. Photo editing and designing
tools allow you to manipulate
or edit images, apply effects,
filters, add frames, crop, add
text, change background
color, make photo collage,
and photo album that you
would like to do in an image.
“
”

3. Here are various
platforms and
applications you can
use for image editing:

4. Is Google’s free photo manager to edit
and organize your photos.
1

6. Is a Windows-based
alternative to the MS
Paint editor.
2

8. Is a free, 3D-modelling program with
tools to allow you to create 3D models of
houses, home renovation, woodworking
projects, and others with dimensional
accuracy.
3

10. Is a free photo editing tool that is similar
to Photoshop and has more 600 effects,
overlays, and borders that you can use.
4

12. Adobe Photoshop
Is a tool to create, modify, combine and
optimize digital photos and images.
5

14. GIMP
GNU Image Manipulation Program is a
free, open-source image/graphics
editing program used for image
retouching and editing, free-form
drawing/painting, etc.
6

15. HANDS-ON!
Using GIMP for Image
Manipulation

16. 1. Go to www.gimp.org
3. Select Download GIMP
Directly.
2. Then click Download.

17. 4. Run the GIMP installer.
6. Wait for it to finish
installation, then click
Finish.
5. Click Install.

18. GIMP Basics
Let’s do the basics!

19. Parts of the GIMP Window
Toolbox
Image
Window
Tool Options
Layers Dialog
Brushes/Patterns
/Gradients

20. The Toolbox
This is the part
where the main tools
are located such as
the tools used to
crop, select, erase
and more.

21. The Tool Options
Located below the
Toolbox, here you
will be able to see
the options for the
currently selected
tool.

22. Image Window
This is where your works or image will be
shown. You will also have an option to open
multiple images at the same time.

23. The Layers Dialog
This shows the layer
structure of the
images shown in the
image window. You
will be allowed to
manipulate it in a
variety of way.

24. Brushes/Pattern/
Gradients
Located below the
Layers Dialog, you
will be able to see
the choices of brush,
pattern and
gradients that can
be used in your work.

25. Today we’ll learn how to…
◦ Open a File in GIMP
◦ Change the Dimension of Your
Image
◦ Crop an Image
◦ Add Texts
◦ Change Opacity of Layers
◦ Create, Hide, Move, Duplicate and
Delete Layers
◦ Change Brightness and Contrast

26. 1. Open a File
2. Change Size/Dimension of Your Image

27. 3. Crop an Image

28. 4. Adding Text

29. Layers
Layers are like stacked
sheets of acetate, you can
see through the transparent
areas of the layers below. It
can be an empty worksheet,
a picture, a text or anything
you would like to add to your
image.

30. 5. Changing the Opacity of the Layer

31. 6. Creating a New Blank Layer

32. We have four choices.
a. Foreground Color – the layer will
appear on what the foreground
color is.
b. Background Color – located
beside the foreground color.
c. White – just as the name states,
the new layer will be white.
d. Transparency – the new layer will
be transparent.

33. 7. Hiding Layers

34. 8. Moving Layers

35. 9. Duplicating Layer

36. 10. Deleting Layer

37. 11. Adjusting Brightness and Contrast
You can change the brightness and contrast of your
image if it is too dark and needs some editing.
BEFORE DURING AFTER

38. Now, do you know how to…
◦ Open a File in GIMP
◦ Change the Dimension of Your
Image
◦ Crop an Image
◦ Add Texts
◦ Change Opacity of Layers
◦ Create, Hide, Move, Duplicate and
Delete Layers
◦ Change Brightness and Contrast

39. Now, let us proceed to
the great Adobe
Photoshop!
Yeey!