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Complete program listing

A complete listing of the program discussed in this module is provided in Listing 5 below.

Listing 5 . Complete program listing.
/*File Prob04 Copyright 2008 R.G.Baldwin *********************************************************/import java.awt.Graphics2D; import java.awt.geom.AffineTransform;import java.awt.geom.Rectangle2D; import java.awt.Graphics;import java.awt.geom.Ellipse2D; import java.awt.Color;public class Prob04{ public static void main(String[]args){ new Prob04Runner().run();}//end main method }//end class Prob04//======================================================// class Prob04Runner{public Prob04Runner(){ System.out.println("Display your name here.");}//end constructor //----------------------------------------------------//public void run(){ Picture pix = new Picture("Prob04a.jpg");//Rotate and mirror the picture. pix = rotatePicture(pix,35);pix = mirrorUpperQuads(pix); pix = mirrorHoriz(pix);pix.explore(); //Clip the picture to an ellipse on a red background.pix = clipToEllipse(pix); //Add your name and display the output picture.pix.addMessage("Display your name here.",10,20); pix.explore();System.out.println(pix); }//end run//----------------------------------------------------// private Picture clipToEllipse(Picture pix){Picture result = new Picture(pix.getWidth(),pix.getHeight());result.setAllPixelsToAColor(Color.RED); //Get the graphics2D objectGraphics2D g2 = (Graphics2D)(result.getGraphics()); //Create an ellipse for clippingEllipse2D.Double ellipse = new Ellipse2D.Double(28,64,366,275);//Use the ellipse for clipping g2.setClip(ellipse);//Draw the image g2.drawImage(pix.getImage(),0,0,pix.getWidth(),pix.getHeight(), null);return result; }//end clipToEllipse//----------------------------------------------------//private Picture rotatePicture(Picture pix, double angle){//Set up the rotation transform AffineTransform rotateTransform = new AffineTransform();rotateTransform.rotate(Math.toRadians(angle), pix.getWidth()/2,pix.getHeight()/2); //Get the required dimensions of a rectangle that will// contain the rotated image. Rectangle2D rectangle2D =pix.getTransformEnclosingRect(rotateTransform); int resultWidth = (int)(rectangle2D.getWidth());int resultHeight = (int)(rectangle2D.getHeight()); //Set up the translation transform that will translate// the rotated image to the center of the new Picture // object.AffineTransform translateTransform = new AffineTransform();translateTransform.translate( (resultWidth - pix.getWidth())/2,(resultHeight - pix.getHeight())/2); //Concatenate the two transforms so that the image// will first be rotated around its center and then // translated to the center of the new Picture object.translateTransform.concatenate(rotateTransform); //Create a new Picture object to contain the results// of the transformation. Picture result = new Picture(resultWidth,resultHeight); //Get the graphics context of the new Picture object,// apply the transform to the incoming picture and // draw the transformed picture on the new Picture// object. Graphics2D g2 = (Graphics2D)result.getGraphics();g2.drawImage(pix.getImage(),translateTransform,null); return result;}//end rotatePicture //----------------------------------------------------////This method mirrors the upper-left quadrant of a // picture into the upper-right quadrant.private Picture mirrorUpperQuads(Picture pix){ Pixel leftPixel = null;Pixel rightPixel = null; int midpoint = pix.getWidth()/2;int width = pix.getWidth(); for(int row = 0;row<pix.getHeight()/2;row++){ for(int col = 0;col<midpoint;col++){ leftPixel = pix.getPixel(col,row);rightPixel = pix.getPixel(width-1-col,row);rightPixel.setColor(leftPixel.getColor()); }//end inner loop}//end outer loop return pix;}//end mirrorUpperQuads //----------------------------------------------------////This method mirrors the top half of a picture into // the bottom half.private Picture mirrorHoriz(Picture pix){ Pixel topPixel = null;Pixel bottomPixel = null; int midpoint = pix.getHeight()/2;int height = pix.getHeight(); for(int col = 0;col<pix.getWidth();col++){ for(int row = 0;row<midpoint;row++){ topPixel = pix.getPixel(col,row);bottomPixel = pix.getPixel(col,height-1-row);bottomPixel.setColor(topPixel.getColor()); }//end inner loop}//end outer loop return pix;}//end mirrorHoriz //----------------------------------------------------//}//end class Prob04Runner

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Questions & Answers

what is mutation
Janga Reply
what is a cell
Sifune Reply
how is urine form
Sifune
what is antagonism?
mahase Reply
classification of plants, gymnosperm features.
Linsy Reply
what is the features of gymnosperm
Linsy
how many types of solid did we have
Samuel Reply
what is an ionic bond
Samuel
What is Atoms
Daprince Reply
what is fallopian tube
Merolyn
what is bladder
Merolyn
what's bulbourethral gland
Eduek Reply
urine is formed in the nephron of the renal medulla in the kidney. It starts from filtration, then selective reabsorption and finally secretion
onuoha Reply
State the evolution relation and relevance between endoplasmic reticulum and cytoskeleton as it relates to cell.
Jeremiah
what is heart
Konadu Reply
how is urine formed in human
Konadu
how is urine formed in human
Rahma
what is the diference between a cavity and a canal
Pelagie Reply
what is the causative agent of malaria
Diamond
malaria is caused by an insect called mosquito.
Naomi
Malaria is cause by female anopheles mosquito
Isaac
Malaria is caused by plasmodium Female anopheles mosquitoe is d carrier
Olalekan
a canal is more needed in a root but a cavity is a bad effect
Commander
what are pathogens
Don Reply
In biology, a pathogen (Greek: πάθος pathos "suffering", "passion" and -γενής -genēs "producer of") in the oldest and broadest sense, is anything that can produce disease. A pathogen may also be referred to as an infectious agent, or simply a germ. The term pathogen came into use in the 1880s.[1][2
Zainab
A virus
Commander
Definition of respiration
Muhsin Reply
respiration is the process in which we breath in oxygen and breath out carbon dioxide
Achor
how are lungs work
Commander
where does digestion begins
Achiri Reply
in the mouth
EZEKIEL
what are the functions of follicle stimulating harmones?
Rashima Reply
stimulates the follicle to release the mature ovum into the oviduct
Davonte
what are the functions of Endocrine and pituitary gland
Chinaza
endocrine secrete hormone and regulate body process
Achor
while pituitary gland is an example of endocrine system and it's found in the Brain
Achor
what's biology?
Egbodo Reply
Biology is the study of living organisms, divided into many specialized field that cover their morphology, physiology,anatomy, behaviour,origin and distribution.
Lisah
biology is the study of life.
Alfreda
Biology is the study of how living organisms live and survive in a specific environment
Sifune
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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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