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Learn to crop, flip, and combine pictures.

Revised: Sun Apr 03 11:56:24 CDT 2016

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Table of contents

Preface

This module is one of a series of modules designed to teach you about Object-Oriented Programming (OOP) using Java.

The program described in this module requires the use of the Guzdial-Ericson multimedia class library. You will find download, installation, and usageinstructions for the library at Java OOP: The Guzdial-Ericson Multimedia Class Library .

Viewing tip

I recommend that you open another copy of this document in a separate browser window and use the following links to easily find and view the Figures and Listings while you are reading about them.

Figures

  • Figure 1 . Raw butterfly image.
  • Figure 2 . Beach scene with student's name added.
  • Figure 3 . Composite image.
  • Figure 4 . Required text output.
  • Figure 5 . Cropped and flipped version of the butterfly image.
  • Figure 6 . Partially complete version of the output picture.

Listings

  • Listing 1 . The driver class named Prob02.
  • Listing 2 . Beginning of the Prob02Runner class.
  • Listing 3 . Beginning of the run method.
  • Listing 4 . Beginning of the cropAndFlip method.
  • Listing 5 . Process using nested loops.
  • Listing 6 . Call the copyPictureWithCrop method from the run method..
  • Listing 7 . Beginning of the method named copyPictureWithCrop.
  • Listing 8 . Process using nested loops.
  • Listing 9 . The remainder of the run method.
  • Listing 10 . Complete program listing.

Preview

In this module, you will learn how to:

  • Work directly with individual pixels and keep track of coordinate values.
  • Copy a portion of one picture into a specific location in another picture.
  • Crop and flip a picture.

Program specifications

Write a program named Prob02 that uses the class definition shown in Listing 1 and Ericson's media library along with the image files named Prob02a.jpg and Prob02b.jpg to produce the three graphic output images shown in Figure 1 , Figure 2 , and Figure 3 .

Figure 1 - Raw butterfly image.

This is an image of a butterfly that will be superimposed on a beach scene to form a composite image.

Figure 2 - Beach scene with student's name added.

This is an image of a beach scene that will be used to form a composite image.

Figure 3 - Composite image.

This is the composite image with the cropped and flipped images of the butterfly superimposed on the beach scene on each side of center.

May define new classes

You may define new classes as necessary to cause your program to behave as required, but you may not modify the class definition for the class named Prob02 given in Listing 1 .

The facing butterfly images

The two facing images of the butterflies in the final output picture are separated by two pixels and those two images as a pair are centered in thepicture of the beach.

Required text output

In addition to the three output images mentioned above, your program must display your name and the other three lines of text shown in Figure 4 on the command-line screen:

Figure 4 . Required text output.
Display your name here. Picture, filename Prob02a.jpg height 118 width 100Picture, filename Prob02b.jpg height 240 width 320 Picture, filename None height 101 width 77

Questions & Answers

what is the stm
Brian Reply
is there industrial application of fullrenes. What is the method to prepare fullrene on large scale.?
Rafiq
industrial application...? mmm I think on the medical side as drug carrier, but you should go deeper on your research, I may be wrong
Damian
How we are making nano material?
LITNING Reply
what is a peer
LITNING Reply
What is meant by 'nano scale'?
LITNING Reply
What is STMs full form?
LITNING
scanning tunneling microscope
Sahil
how nano science is used for hydrophobicity
Santosh
Do u think that Graphene and Fullrene fiber can be used to make Air Plane body structure the lightest and strongest. Rafiq
Rafiq
what is differents between GO and RGO?
Mahi
what is simplest way to understand the applications of nano robots used to detect the cancer affected cell of human body.? How this robot is carried to required site of body cell.? what will be the carrier material and how can be detected that correct delivery of drug is done Rafiq
Rafiq
what is Nano technology ?
Bob Reply
write examples of Nano molecule?
Bob
The nanotechnology is as new science, to scale nanometric
brayan
nanotechnology is the study, desing, synthesis, manipulation and application of materials and functional systems through control of matter at nanoscale
Damian
Is there any normative that regulates the use of silver nanoparticles?
Damian Reply
what king of growth are you checking .?
Renato
What fields keep nano created devices from performing or assimulating ? Magnetic fields ? Are do they assimilate ?
Stoney Reply
why we need to study biomolecules, molecular biology in nanotechnology?
Adin Reply
?
Kyle
yes I'm doing my masters in nanotechnology, we are being studying all these domains as well..
Adin
why?
Adin
what school?
Kyle
biomolecules are e building blocks of every organics and inorganic materials.
Joe
anyone know any internet site where one can find nanotechnology papers?
Damian Reply
research.net
kanaga
sciencedirect big data base
Ernesto
Introduction about quantum dots in nanotechnology
Praveena Reply
what does nano mean?
Anassong Reply
nano basically means 10^(-9). nanometer is a unit to measure length.
Bharti
do you think it's worthwhile in the long term to study the effects and possibilities of nanotechnology on viral treatment?
Damian Reply
absolutely yes
Daniel
how to know photocatalytic properties of tio2 nanoparticles...what to do now
Akash Reply
it is a goid question and i want to know the answer as well
Maciej
characteristics of micro business
Abigail
for teaching engĺish at school how nano technology help us
Anassong
How can I make nanorobot?
Lily
Do somebody tell me a best nano engineering book for beginners?
s. Reply
there is no specific books for beginners but there is book called principle of nanotechnology
NANO
how can I make nanorobot?
Lily
what is fullerene does it is used to make bukky balls
Devang Reply
are you nano engineer ?
s.
fullerene is a bucky ball aka Carbon 60 molecule. It was name by the architect Fuller. He design the geodesic dome. it resembles a soccer ball.
Tarell
what is the actual application of fullerenes nowadays?
Damian
That is a great question Damian. best way to answer that question is to Google it. there are hundreds of applications for buck minister fullerenes, from medical to aerospace. you can also find plenty of research papers that will give you great detail on the potential applications of fullerenes.
Tarell
how did you get the value of 2000N.What calculations are needed to arrive at it
Smarajit Reply
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Source:  OpenStax, Object-oriented programming (oop) with java. OpenStax CNX. Jun 29, 2016 Download for free at https://legacy.cnx.org/content/col11441/1.201
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