NCERT Textbook - Introduction to GIMP,Information & Computer Technology Class 9 | Information & Computer Technology (Class 9) - Notes & Video PDF Download

 Page 1


39
Introduction to GIMP
Chapter 3
Introduction to GIMP
Learning Objectives 
After learning this chapter, learner will be able to:
•	 St a t e	 the	 purpose	 of	 Imag e	 E diting	 softw ar e.
•	 Lis t	 the	 f ea tur es	 of	 Gimp.
•	 Ins t all	 Gimp	 Softw ar e	 fr om	 the	 pr o vided	 link.
•	 Chang e	 the	 siz e	 of	 an	 imag e.
•	 Pr epar e	 the	 imag es	 f or	 w eb.
•	 Cr op	 the	 parts	 of	 the	 imag es.
•	 Under s t and	 the	 c oncep t	 of	 La y er s.
As you have worked with so many photo editing software such as Microsoft Paint, Drawing 
of Open Office.org etc.  Now, in this chapter you will learn how to work with the images 
using GIMP software which is free and open source. 
1. IMage edItIng toolS-IntroduCtIon
Image editing encompasses the processes of altering images, whether they are digital 
photographs, traditional analog photographs, or illustrations. Traditional analog image 
editing is known as photo retouching, using tools such as an airbrush to modify photographs, 
or editing illustrations with any traditional art medium. 
There are two basic ways that images can be adjusted. Pixel editing works at the pixel 
level and requires altering the original image. Parametric Image Editing works by saving 
instruction sets that change the appearance of images without actually changing the original 
image data. 
2. lISt oF CoMMonly uSed IMage edItIng toolS
 (a) The GIMP: GNU Image Manipulation Program is free and powerful open source 
image editing tool that provides retouching of photos, authoring of photos and 
composition of photos. 
 (b) FastStone Image Viewer: The FastStone Image Viewer is an interactive application 
that provides the image editing, image browsing and image converting. It supports 
Page 2


39
Introduction to GIMP
Chapter 3
Introduction to GIMP
Learning Objectives 
After learning this chapter, learner will be able to:
•	 St a t e	 the	 purpose	 of	 Imag e	 E diting	 softw ar e.
•	 Lis t	 the	 f ea tur es	 of	 Gimp.
•	 Ins t all	 Gimp	 Softw ar e	 fr om	 the	 pr o vided	 link.
•	 Chang e	 the	 siz e	 of	 an	 imag e.
•	 Pr epar e	 the	 imag es	 f or	 w eb.
•	 Cr op	 the	 parts	 of	 the	 imag es.
•	 Under s t and	 the	 c oncep t	 of	 La y er s.
As you have worked with so many photo editing software such as Microsoft Paint, Drawing 
of Open Office.org etc.  Now, in this chapter you will learn how to work with the images 
using GIMP software which is free and open source. 
1. IMage edItIng toolS-IntroduCtIon
Image editing encompasses the processes of altering images, whether they are digital 
photographs, traditional analog photographs, or illustrations. Traditional analog image 
editing is known as photo retouching, using tools such as an airbrush to modify photographs, 
or editing illustrations with any traditional art medium. 
There are two basic ways that images can be adjusted. Pixel editing works at the pixel 
level and requires altering the original image. Parametric Image Editing works by saving 
instruction sets that change the appearance of images without actually changing the original 
image data. 
2. lISt oF CoMMonly uSed IMage edItIng toolS
 (a) The GIMP: GNU Image Manipulation Program is free and powerful open source 
image editing tool that provides retouching of photos, authoring of photos and 
composition of photos. 
 (b) FastStone Image Viewer: The FastStone Image Viewer is an interactive application 
that provides the image editing, image browsing and image converting. It supports 
40
Information and Computer Technology
almost all major formats with some useful features including email facility, 150+ 
transitional effects, high-quality magnifier, scanning facility and image annotation.
 (c) Serif PhotoPlus X4: The Serif PhotoPlus X4 offers a wide variety of features for 
image editing in a very user-friendly environment. This tool offers photos organizer, 
scrapbooking, greeting cards, and web galleries. 
 (d) Photo Impression 6.5: This tool provides the image-editing facility in a very simple way. 
It automatically organizes all of your photos and lets you to print them effectively. 
 (e) PhotoStudio 6: The PhotoStudio 6 allows you to add animated text and stamping 
facility on high-bit depth images. This tool also lets you to work with layers for image 
editing purpose. Y ou can easily transform your raw photos into good ones by using 
this tool because of its ease and simple navigation.
 (f) Picasa: Picasa is the kind of application that the built in editor is more than robust 
enough for most casual users and includes basic color correction, cropping, and a 
variety of special effects—the majority of which manage to avoid being cheesy. Picasa 
isn’t a tool for deep and detailed editing but it is extremely easy to use for the kind 
of quick crop and quick editing, most digital camera owners need.
 (g) Paint.net: The interface of Paint.net is easy to pick up and an unlimited undo function 
helps in correcting your learning, curve shapes, a snap making etc... Paint.net is 
favourite among Windows users looking for a powerful image editor.
 (h) Photo! Editor: Photo! Editor is powerful multifunctional software offering a complete 
set of image editing tools. It contains everything a digital camera owner might need 
to correct or enhance their photos. Y ou will enjoy the ultimate convenience and 
professional approach provided by each of the tools. 
 (i) Inkscape: The Inkscape is the open source image editing tool with standard features 
making it the best alternative of the Adobe Photoshop. It allows the vector based 
controls just like the Adobe Illustrator with powerful features. Most prominent 
features of Inkscape are node-editing, bitmap tracing, direct XML editing, and 
alpha blending. These features make the Inkscape a very powerful and free image 
editing tool.
 (j) Corel PaintShop Photo Pro X3: The Corel Paint Shop Photo Pro allows you to 
adjust and clean-up your photos using the integrated photo organizer with advanced 
enhancement tools. With the smooth interface and fast speed Corel Paint Shop Photo 
Pro X3 makes it very easy for you to edit and organize your photos.
Page 3


39
Introduction to GIMP
Chapter 3
Introduction to GIMP
Learning Objectives 
After learning this chapter, learner will be able to:
•	 St a t e	 the	 purpose	 of	 Imag e	 E diting	 softw ar e.
•	 Lis t	 the	 f ea tur es	 of	 Gimp.
•	 Ins t all	 Gimp	 Softw ar e	 fr om	 the	 pr o vided	 link.
•	 Chang e	 the	 siz e	 of	 an	 imag e.
•	 Pr epar e	 the	 imag es	 f or	 w eb.
•	 Cr op	 the	 parts	 of	 the	 imag es.
•	 Under s t and	 the	 c oncep t	 of	 La y er s.
As you have worked with so many photo editing software such as Microsoft Paint, Drawing 
of Open Office.org etc.  Now, in this chapter you will learn how to work with the images 
using GIMP software which is free and open source. 
1. IMage edItIng toolS-IntroduCtIon
Image editing encompasses the processes of altering images, whether they are digital 
photographs, traditional analog photographs, or illustrations. Traditional analog image 
editing is known as photo retouching, using tools such as an airbrush to modify photographs, 
or editing illustrations with any traditional art medium. 
There are two basic ways that images can be adjusted. Pixel editing works at the pixel 
level and requires altering the original image. Parametric Image Editing works by saving 
instruction sets that change the appearance of images without actually changing the original 
image data. 
2. lISt oF CoMMonly uSed IMage edItIng toolS
 (a) The GIMP: GNU Image Manipulation Program is free and powerful open source 
image editing tool that provides retouching of photos, authoring of photos and 
composition of photos. 
 (b) FastStone Image Viewer: The FastStone Image Viewer is an interactive application 
that provides the image editing, image browsing and image converting. It supports 
40
Information and Computer Technology
almost all major formats with some useful features including email facility, 150+ 
transitional effects, high-quality magnifier, scanning facility and image annotation.
 (c) Serif PhotoPlus X4: The Serif PhotoPlus X4 offers a wide variety of features for 
image editing in a very user-friendly environment. This tool offers photos organizer, 
scrapbooking, greeting cards, and web galleries. 
 (d) Photo Impression 6.5: This tool provides the image-editing facility in a very simple way. 
It automatically organizes all of your photos and lets you to print them effectively. 
 (e) PhotoStudio 6: The PhotoStudio 6 allows you to add animated text and stamping 
facility on high-bit depth images. This tool also lets you to work with layers for image 
editing purpose. Y ou can easily transform your raw photos into good ones by using 
this tool because of its ease and simple navigation.
 (f) Picasa: Picasa is the kind of application that the built in editor is more than robust 
enough for most casual users and includes basic color correction, cropping, and a 
variety of special effects—the majority of which manage to avoid being cheesy. Picasa 
isn’t a tool for deep and detailed editing but it is extremely easy to use for the kind 
of quick crop and quick editing, most digital camera owners need.
 (g) Paint.net: The interface of Paint.net is easy to pick up and an unlimited undo function 
helps in correcting your learning, curve shapes, a snap making etc... Paint.net is 
favourite among Windows users looking for a powerful image editor.
 (h) Photo! Editor: Photo! Editor is powerful multifunctional software offering a complete 
set of image editing tools. It contains everything a digital camera owner might need 
to correct or enhance their photos. Y ou will enjoy the ultimate convenience and 
professional approach provided by each of the tools. 
 (i) Inkscape: The Inkscape is the open source image editing tool with standard features 
making it the best alternative of the Adobe Photoshop. It allows the vector based 
controls just like the Adobe Illustrator with powerful features. Most prominent 
features of Inkscape are node-editing, bitmap tracing, direct XML editing, and 
alpha blending. These features make the Inkscape a very powerful and free image 
editing tool.
 (j) Corel PaintShop Photo Pro X3: The Corel Paint Shop Photo Pro allows you to 
adjust and clean-up your photos using the integrated photo organizer with advanced 
enhancement tools. With the smooth interface and fast speed Corel Paint Shop Photo 
Pro X3 makes it very easy for you to edit and organize your photos.
41
Introduction to GIMP
3. gIMP
3.1 Introduction
GNU Image Manipulation Program is free and powerful open source image editing tool 
that provides retouching of photos, authoring of photos and composition of photos. It is 
free and consists of many similar features provided by the Photoshop. It’s available for 
free for download distribution software that allows you to create image composition and 
image authoring.
GIMP is a multi-platform photo manipulation tool. Most GNU/Linux distributions include 
GIMP as a standard application. The GIMP is also available for other operating systems 
such as Microsoft Windows™ or Apple’s Mac OS X™ (Darwin).
The GIMP is a Free Software application covered by the General Public License [GPL]. 
The GPL provides users with the freedom to access and alter the source code.
3.2 Features of gIMP are:
 ? It can be used as a simple paint program
 ? An expert quality photo retouching program.
 ? An online batch processing system.
 ? A mass production image renderer.
 ? The advanced scripting interface allows everything from the simplest task to the most 
complex image manipulation procedures to be easily scripted.
 ? It can convert and save files to many file formats such as gif, jpef,tiff.etc
Page 4


39
Introduction to GIMP
Chapter 3
Introduction to GIMP
Learning Objectives 
After learning this chapter, learner will be able to:
•	 St a t e	 the	 purpose	 of	 Imag e	 E diting	 softw ar e.
•	 Lis t	 the	 f ea tur es	 of	 Gimp.
•	 Ins t all	 Gimp	 Softw ar e	 fr om	 the	 pr o vided	 link.
•	 Chang e	 the	 siz e	 of	 an	 imag e.
•	 Pr epar e	 the	 imag es	 f or	 w eb.
•	 Cr op	 the	 parts	 of	 the	 imag es.
•	 Under s t and	 the	 c oncep t	 of	 La y er s.
As you have worked with so many photo editing software such as Microsoft Paint, Drawing 
of Open Office.org etc.  Now, in this chapter you will learn how to work with the images 
using GIMP software which is free and open source. 
1. IMage edItIng toolS-IntroduCtIon
Image editing encompasses the processes of altering images, whether they are digital 
photographs, traditional analog photographs, or illustrations. Traditional analog image 
editing is known as photo retouching, using tools such as an airbrush to modify photographs, 
or editing illustrations with any traditional art medium. 
There are two basic ways that images can be adjusted. Pixel editing works at the pixel 
level and requires altering the original image. Parametric Image Editing works by saving 
instruction sets that change the appearance of images without actually changing the original 
image data. 
2. lISt oF CoMMonly uSed IMage edItIng toolS
 (a) The GIMP: GNU Image Manipulation Program is free and powerful open source 
image editing tool that provides retouching of photos, authoring of photos and 
composition of photos. 
 (b) FastStone Image Viewer: The FastStone Image Viewer is an interactive application 
that provides the image editing, image browsing and image converting. It supports 
40
Information and Computer Technology
almost all major formats with some useful features including email facility, 150+ 
transitional effects, high-quality magnifier, scanning facility and image annotation.
 (c) Serif PhotoPlus X4: The Serif PhotoPlus X4 offers a wide variety of features for 
image editing in a very user-friendly environment. This tool offers photos organizer, 
scrapbooking, greeting cards, and web galleries. 
 (d) Photo Impression 6.5: This tool provides the image-editing facility in a very simple way. 
It automatically organizes all of your photos and lets you to print them effectively. 
 (e) PhotoStudio 6: The PhotoStudio 6 allows you to add animated text and stamping 
facility on high-bit depth images. This tool also lets you to work with layers for image 
editing purpose. Y ou can easily transform your raw photos into good ones by using 
this tool because of its ease and simple navigation.
 (f) Picasa: Picasa is the kind of application that the built in editor is more than robust 
enough for most casual users and includes basic color correction, cropping, and a 
variety of special effects—the majority of which manage to avoid being cheesy. Picasa 
isn’t a tool for deep and detailed editing but it is extremely easy to use for the kind 
of quick crop and quick editing, most digital camera owners need.
 (g) Paint.net: The interface of Paint.net is easy to pick up and an unlimited undo function 
helps in correcting your learning, curve shapes, a snap making etc... Paint.net is 
favourite among Windows users looking for a powerful image editor.
 (h) Photo! Editor: Photo! Editor is powerful multifunctional software offering a complete 
set of image editing tools. It contains everything a digital camera owner might need 
to correct or enhance their photos. Y ou will enjoy the ultimate convenience and 
professional approach provided by each of the tools. 
 (i) Inkscape: The Inkscape is the open source image editing tool with standard features 
making it the best alternative of the Adobe Photoshop. It allows the vector based 
controls just like the Adobe Illustrator with powerful features. Most prominent 
features of Inkscape are node-editing, bitmap tracing, direct XML editing, and 
alpha blending. These features make the Inkscape a very powerful and free image 
editing tool.
 (j) Corel PaintShop Photo Pro X3: The Corel Paint Shop Photo Pro allows you to 
adjust and clean-up your photos using the integrated photo organizer with advanced 
enhancement tools. With the smooth interface and fast speed Corel Paint Shop Photo 
Pro X3 makes it very easy for you to edit and organize your photos.
41
Introduction to GIMP
3. gIMP
3.1 Introduction
GNU Image Manipulation Program is free and powerful open source image editing tool 
that provides retouching of photos, authoring of photos and composition of photos. It is 
free and consists of many similar features provided by the Photoshop. It’s available for 
free for download distribution software that allows you to create image composition and 
image authoring.
GIMP is a multi-platform photo manipulation tool. Most GNU/Linux distributions include 
GIMP as a standard application. The GIMP is also available for other operating systems 
such as Microsoft Windows™ or Apple’s Mac OS X™ (Darwin).
The GIMP is a Free Software application covered by the General Public License [GPL]. 
The GPL provides users with the freedom to access and alter the source code.
3.2 Features of gIMP are:
 ? It can be used as a simple paint program
 ? An expert quality photo retouching program.
 ? An online batch processing system.
 ? A mass production image renderer.
 ? The advanced scripting interface allows everything from the simplest task to the most 
complex image manipulation procedures to be easily scripted.
 ? It can convert and save files to many file formats such as gif, jpef,tiff.etc
42
Information and Computer Technology
 ? It can load and save animations in a convenient frame 
as layer format.
 ? Virtually unlimited images can be opened at one time.
 ? GIMP works with numerous operating systems including 
Linux, Mac OS and Microsoft Windows.
3.3 How to download gIMP from net
Steps to download GIMP:
 ? Go to w w w . gimp.o r g
 ? Then click on Download button 
 ? Click “Download Gimp”
Note
It is also available as a 
part of Ubuntu no root 
package from the Google 
Play store on Android.
Page 5


39
Introduction to GIMP
Chapter 3
Introduction to GIMP
Learning Objectives 
After learning this chapter, learner will be able to:
•	 St a t e	 the	 purpose	 of	 Imag e	 E diting	 softw ar e.
•	 Lis t	 the	 f ea tur es	 of	 Gimp.
•	 Ins t all	 Gimp	 Softw ar e	 fr om	 the	 pr o vided	 link.
•	 Chang e	 the	 siz e	 of	 an	 imag e.
•	 Pr epar e	 the	 imag es	 f or	 w eb.
•	 Cr op	 the	 parts	 of	 the	 imag es.
•	 Under s t and	 the	 c oncep t	 of	 La y er s.
As you have worked with so many photo editing software such as Microsoft Paint, Drawing 
of Open Office.org etc.  Now, in this chapter you will learn how to work with the images 
using GIMP software which is free and open source. 
1. IMage edItIng toolS-IntroduCtIon
Image editing encompasses the processes of altering images, whether they are digital 
photographs, traditional analog photographs, or illustrations. Traditional analog image 
editing is known as photo retouching, using tools such as an airbrush to modify photographs, 
or editing illustrations with any traditional art medium. 
There are two basic ways that images can be adjusted. Pixel editing works at the pixel 
level and requires altering the original image. Parametric Image Editing works by saving 
instruction sets that change the appearance of images without actually changing the original 
image data. 
2. lISt oF CoMMonly uSed IMage edItIng toolS
 (a) The GIMP: GNU Image Manipulation Program is free and powerful open source 
image editing tool that provides retouching of photos, authoring of photos and 
composition of photos. 
 (b) FastStone Image Viewer: The FastStone Image Viewer is an interactive application 
that provides the image editing, image browsing and image converting. It supports 
40
Information and Computer Technology
almost all major formats with some useful features including email facility, 150+ 
transitional effects, high-quality magnifier, scanning facility and image annotation.
 (c) Serif PhotoPlus X4: The Serif PhotoPlus X4 offers a wide variety of features for 
image editing in a very user-friendly environment. This tool offers photos organizer, 
scrapbooking, greeting cards, and web galleries. 
 (d) Photo Impression 6.5: This tool provides the image-editing facility in a very simple way. 
It automatically organizes all of your photos and lets you to print them effectively. 
 (e) PhotoStudio 6: The PhotoStudio 6 allows you to add animated text and stamping 
facility on high-bit depth images. This tool also lets you to work with layers for image 
editing purpose. Y ou can easily transform your raw photos into good ones by using 
this tool because of its ease and simple navigation.
 (f) Picasa: Picasa is the kind of application that the built in editor is more than robust 
enough for most casual users and includes basic color correction, cropping, and a 
variety of special effects—the majority of which manage to avoid being cheesy. Picasa 
isn’t a tool for deep and detailed editing but it is extremely easy to use for the kind 
of quick crop and quick editing, most digital camera owners need.
 (g) Paint.net: The interface of Paint.net is easy to pick up and an unlimited undo function 
helps in correcting your learning, curve shapes, a snap making etc... Paint.net is 
favourite among Windows users looking for a powerful image editor.
 (h) Photo! Editor: Photo! Editor is powerful multifunctional software offering a complete 
set of image editing tools. It contains everything a digital camera owner might need 
to correct or enhance their photos. Y ou will enjoy the ultimate convenience and 
professional approach provided by each of the tools. 
 (i) Inkscape: The Inkscape is the open source image editing tool with standard features 
making it the best alternative of the Adobe Photoshop. It allows the vector based 
controls just like the Adobe Illustrator with powerful features. Most prominent 
features of Inkscape are node-editing, bitmap tracing, direct XML editing, and 
alpha blending. These features make the Inkscape a very powerful and free image 
editing tool.
 (j) Corel PaintShop Photo Pro X3: The Corel Paint Shop Photo Pro allows you to 
adjust and clean-up your photos using the integrated photo organizer with advanced 
enhancement tools. With the smooth interface and fast speed Corel Paint Shop Photo 
Pro X3 makes it very easy for you to edit and organize your photos.
41
Introduction to GIMP
3. gIMP
3.1 Introduction
GNU Image Manipulation Program is free and powerful open source image editing tool 
that provides retouching of photos, authoring of photos and composition of photos. It is 
free and consists of many similar features provided by the Photoshop. It’s available for 
free for download distribution software that allows you to create image composition and 
image authoring.
GIMP is a multi-platform photo manipulation tool. Most GNU/Linux distributions include 
GIMP as a standard application. The GIMP is also available for other operating systems 
such as Microsoft Windows™ or Apple’s Mac OS X™ (Darwin).
The GIMP is a Free Software application covered by the General Public License [GPL]. 
The GPL provides users with the freedom to access and alter the source code.
3.2 Features of gIMP are:
 ? It can be used as a simple paint program
 ? An expert quality photo retouching program.
 ? An online batch processing system.
 ? A mass production image renderer.
 ? The advanced scripting interface allows everything from the simplest task to the most 
complex image manipulation procedures to be easily scripted.
 ? It can convert and save files to many file formats such as gif, jpef,tiff.etc
42
Information and Computer Technology
 ? It can load and save animations in a convenient frame 
as layer format.
 ? Virtually unlimited images can be opened at one time.
 ? GIMP works with numerous operating systems including 
Linux, Mac OS and Microsoft Windows.
3.3 How to download gIMP from net
Steps to download GIMP:
 ? Go to w w w . gimp.o r g
 ? Then click on Download button 
 ? Click “Download Gimp”
Note
It is also available as a 
part of Ubuntu no root 
package from the Google 
Play store on Android.
43
Introduction to GIMP
 ? The Download will start
We will only send you GTK+
and GIMP installers for
Windows related
information.
Subscribes to Updates
john.doe@example.org VERSION
DATE
STATUS
DOWNLOADS
RATING
SourceForge Find and Develop Software
About
Site Status
Create a Project
Software Directory
gimp-2.8.4-setup.exe
7.4/73.3 MB, 2 mins left
3.4 File Formats Supported in gIMP
Formats Expansions
TIFF T ag g ed	 Imag e	 File	 f orma t
XWD X	 Windo w	 S y s t em
JPE G Join t	 Phot ogr aphic	 Experts	 Gr oup
XPM X	 Pixmap
GIF Gr aphics	 In t e r chang e	 F orma t
PNG P ort able	 Ne tw ork	 Gr aphic s
PSD Phot oshop	 Do cumen t
PPM P ort able	 PixMap
BMP Bitmap
PCS P er sonal	 Comput er	 Ex chan g e
           
3.5 gIMP Compatible Platforms:
 ? GNU/Linux (i386, PPC)
 ? Microsoft Windows (XP, Vista, Windows 7) 
 ? Mac OS X
 ? Sun OpenSolaris
 ? FreeBSD
4. StartIng gIMP
4.1. open gimp Software
Tip: GIMP was originally releasedas the general Image Manipulation Program, 
Spencer Kimball and Peter Mattis. Development of GIMP began in 1995 as 
project at the ‘University Of California, Berkeley.